615 files changed, 6458 insertions, 4050 deletions

diff --git a/Documentation/DocBook/device-drivers.tmpl b/Documentation/DocBook/device-drivers.tmpl
index 7514dbf0a679..c36892c072da 100644
--- a/Documentation/DocBook/device-drivers.tmpl
+++ b/Documentation/DocBook/device-drivers.tmpl
@@ -227,7 +227,7 @@ X!Isound/sound_firmware.c
   <chapter id="uart16x50">
      <title>16x50 UART Driver</title>
 !Edrivers/tty/serial/serial_core.c
-!Edrivers/tty/serial/8250/8250.c
+!Edrivers/tty/serial/8250/8250_core.c
   </chapter>
 
   <chapter id="fbdev">
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 4609e81dbc37..8ccbf27aead4 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -596,9 +596,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         is selected automatically. Check
                         Documentation/kdump/kdump.txt for further details.
 
-        crashkernel_low=size[KMG]
-                        [KNL, x86] parts under 4G.
-
         crashkernel=range1:size1[,range2:size2,...][@offset]
                         [KNL] Same as above, but depends on the memory
                         in the running system. The syntax of range is
@@ -606,6 +603,26 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         a memory unit (amount[KMG]). See also
                         Documentation/kdump/kdump.txt for an example.
 
+        crashkernel=size[KMG],high
+                        [KNL, x86_64] range could be above 4G. Allow kernel
+                        to allocate physical memory region from top, so could
+                        be above 4G if system have more than 4G ram installed.
+                        Otherwise memory region will be allocated below 4G, if
+                        available.
+                        It will be ignored if crashkernel=X is specified.
+        crashkernel=size[KMG],low
+                        [KNL, x86_64] range under 4G. When crashkernel=X,high
+                        is passed, kernel could allocate physical memory region
+                        above 4G, that cause second kernel crash on system
+                        that require some amount of low memory, e.g. swiotlb
+                        requires at least 64M+32K low memory.  Kernel would
+                        try to allocate 72M below 4G automatically.
+                        This one let user to specify own low range under 4G
+                        for second kernel instead.
+                        0: to disable low allocation.
+                        It will be ignored when crashkernel=X,high is not used
+                        or memory reserved is below 4G.
+
         cs89x0_dma=     [HW,NET]
                         Format: <dma>
 
@@ -788,6 +805,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
         edd=            [EDD]
                         Format: {"off" | "on" | "skip[mbr]"}
 
+        efi_no_storage_paranoia [EFI; X86]
+                        Using this parameter you can use more than 50% of
+                        your efi variable storage. Use this parameter only if
+                        you are really sure that your UEFI does sane gc and
+                        fulfills the spec otherwise your board may brick.
+
         eisa_irq_edge=  [PARISC,HW]
                         See header of drivers/parisc/eisa.c.
 
diff --git a/Documentation/scsi/LICENSE.qla2xxx b/Documentation/scsi/LICENSE.qla2xxx
index 27a91cf43d6d..5020b7b5a244 100644
--- a/Documentation/scsi/LICENSE.qla2xxx
+++ b/Documentation/scsi/LICENSE.qla2xxx
@@ -1,4 +1,4 @@
-Copyright (c) 2003-2012 QLogic Corporation
+Copyright (c) 2003-2013 QLogic Corporation
 QLogic Linux FC-FCoE Driver
 
 This program includes a device driver for Linux 3.x.
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 4499bd948860..95731a08f257 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -890,9 +890,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
     enable_msi  - Enable Message Signaled Interrupt (MSI) (default = off)
     power_save  - Automatic power-saving timeout (in second, 0 =
                 disable)
-    power_save_controller - Support runtime D3 of HD-audio controller
-                (-1 = on for supported chip (default), false = off,
-                 true = force to on even for unsupported hardware)
+    power_save_controller - Reset HD-audio controller in power-saving mode
+                (default = on)
     align_buffer_size - Force rounding of buffer/period sizes to multiples
                       of 128 bytes. This is more efficient in terms of memory
                       access but isn't required by the HDA spec and prevents
diff --git a/MAINTAINERS b/MAINTAINERS
index e0cd7e53acc0..3a6b36c51083 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4950,6 +4950,12 @@ W:	logfs.org
 S:      Maintained
 F:      fs/logfs/
 
+LPC32XX MACHINE SUPPORT
+M:      Roland Stigge <stigge@antcom.de>
+L:      linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S:      Maintained
+F:      arch/arm/mach-lpc32xx/
+
 LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI)
 M:      Nagalakshmi Nandigama <Nagalakshmi.Nandigama@lsi.com>
 M:      Sreekanth Reddy <Sreekanth.Reddy@lsi.com>
@@ -5074,9 +5080,8 @@ S:	Maintained
 F:      drivers/net/ethernet/marvell/sk*
 
 MARVELL LIBERTAS WIRELESS DRIVER
-M:      Dan Williams <dcbw@redhat.com>
 L:      libertas-dev@lists.infradead.org
-S:      Maintained
+S:      Orphan
 F:      drivers/net/wireless/libertas/
 
 MARVELL MV643XX ETHERNET DRIVER
@@ -5578,6 +5583,7 @@ F:	include/uapi/linux/if_*
 F:      include/uapi/linux/netdevice.h
 
 NETXEN (1/10) GbE SUPPORT
+M:      Manish Chopra <manish.chopra@qlogic.com>
 M:      Sony Chacko <sony.chacko@qlogic.com>
 M:      Rajesh Borundia <rajesh.borundia@qlogic.com>
 L:      netdev@vger.kernel.org
@@ -6634,7 +6640,7 @@ S:	Supported
 F:      fs/reiserfs/
 
 REGISTER MAP ABSTRACTION
-M:      Mark Brown <broonie@opensource.wolfsonmicro.com>
+M:      Mark Brown <broonie@kernel.org>
 T:      git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap.git
 S:      Supported
 F:      drivers/base/regmap/
@@ -6960,7 +6966,6 @@ F:	drivers/scsi/st*
 
 SCTP PROTOCOL
 M:      Vlad Yasevich <vyasevich@gmail.com>
-M:      Sridhar Samudrala <sri@us.ibm.com>
 M:      Neil Horman <nhorman@tuxdriver.com>
 L:      linux-sctp@vger.kernel.org
 W:      http://lksctp.sourceforge.net
@@ -7383,7 +7388,7 @@ F:	sound/
 
 SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEMENT (ASoC)
 M:      Liam Girdwood <lgirdwood@gmail.com>
-M:      Mark Brown <broonie@opensource.wolfsonmicro.com>
+M:      Mark Brown <broonie@kernel.org>
 T:      git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
 L:      alsa-devel@alsa-project.org (moderated for non-subscribers)
 W:      http://alsa-project.org/main/index.php/ASoC
@@ -7472,7 +7477,7 @@ F:	drivers/clk/spear/
 
 SPI SUBSYSTEM
 M:      Grant Likely <grant.likely@secretlab.ca>
-M:      Mark Brown <broonie@opensource.wolfsonmicro.com>
+M:      Mark Brown <broonie@kernel.org>
 L:      spi-devel-general@lists.sourceforge.net
 Q:      http://patchwork.kernel.org/project/spi-devel-general/list/
 T:      git git://git.secretlab.ca/git/linux-2.6.git
@@ -8717,7 +8722,7 @@ F:	drivers/scsi/vmw_pvscsi.h
 
 VOLTAGE AND CURRENT REGULATOR FRAMEWORK
 M:      Liam Girdwood <lrg@ti.com>
-M:      Mark Brown <broonie@opensource.wolfsonmicro.com>
+M:      Mark Brown <broonie@kernel.org>
 W:      http://opensource.wolfsonmicro.com/node/15
 W:      http://www.slimlogic.co.uk/?p=48
 T:      git git://git.kernel.org/pub/scm/linux/kernel/git/lrg/regulator.git
diff --git a/Makefile b/Makefile
index 58a165b02af1..8fe69916e726 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 9
 SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION =
 NAME = Unicycling Gorilla
 
 # *DOCUMENTATION*
@@ -513,7 +513,8 @@ ifeq ($(KBUILD_EXTMOD),)
 # Carefully list dependencies so we do not try to build scripts twice
 # in parallel
 PHONY += scripts
-scripts: scripts_basic include/config/auto.conf include/config/tristate.conf
+scripts: scripts_basic include/config/auto.conf include/config/tristate.conf \
+         asm-generic
         $(Q)$(MAKE) $(build)=$(@)
 
 # Objects we will link into vmlinux / subdirs we need to visit
diff --git a/arch/alpha/Makefile b/arch/alpha/Makefile
index 4759fe751aa1..2cc3cc519c54 100644
--- a/arch/alpha/Makefile
+++ b/arch/alpha/Makefile
@@ -12,7 +12,7 @@ NM := $(NM) -B
 
 LDFLAGS_vmlinux := -static -N #-relax
 CHECKFLAGS      += -D__alpha__ -m64
-cflags-y        := -pipe -mno-fp-regs -ffixed-8 -msmall-data
+cflags-y        := -pipe -mno-fp-regs -ffixed-8
 cflags-y        += $(call cc-option, -fno-jump-tables)
 
 cpuflags-$(CONFIG_ALPHA_EV4)            := -mcpu=ev4
diff --git a/arch/alpha/include/asm/floppy.h b/arch/alpha/include/asm/floppy.h
index 46cefbd50e73..bae97eb19d26 100644
--- a/arch/alpha/include/asm/floppy.h
+++ b/arch/alpha/include/asm/floppy.h
@@ -26,7 +26,7 @@
 #define fd_disable_irq()        disable_irq(FLOPPY_IRQ)
 #define fd_cacheflush(addr,size) /* nothing */
 #define fd_request_irq()        request_irq(FLOPPY_IRQ, floppy_interrupt,\
-                                            IRQF_DISABLED, "floppy", NULL)
+                                            0, "floppy", NULL)
 #define fd_free_irq()           free_irq(FLOPPY_IRQ, NULL)
 
 #ifdef CONFIG_PCI
diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c
index 2872accd2215..7b2be251c30f 100644
--- a/arch/alpha/kernel/irq.c
+++ b/arch/alpha/kernel/irq.c
@@ -117,13 +117,6 @@ handle_irq(int irq)
                 return;
         }
 
-        /*
-         * From here we must proceed with IPL_MAX. Note that we do not
-         * explicitly enable interrupts afterwards - some MILO PALcode
-         * (namely LX164 one) seems to have severe problems with RTI
-         * at IPL 0.
-         */
-        local_irq_disable();
         irq_enter();
         generic_handle_irq_desc(irq, desc);
         irq_exit();
diff --git a/arch/alpha/kernel/irq_alpha.c b/arch/alpha/kernel/irq_alpha.c
index 772ddfdb71a8..f433fc11877a 100644
--- a/arch/alpha/kernel/irq_alpha.c
+++ b/arch/alpha/kernel/irq_alpha.c
@@ -45,6 +45,14 @@ do_entInt(unsigned long type, unsigned long vector,
           unsigned long la_ptr, struct pt_regs *regs)
 {
         struct pt_regs *old_regs;
+
+        /*
+         * Disable interrupts during IRQ handling.
+         * Note that there is no matching local_irq_enable() due to
+         * severe problems with RTI at IPL0 and some MILO PALcode
+         * (namely LX164).
+         */
+        local_irq_disable();
         switch (type) {
         case 0:
 #ifdef CONFIG_SMP
@@ -62,7 +70,6 @@ do_entInt(unsigned long type, unsigned long vector,
           {
                 long cpu;
 
-                local_irq_disable();
                 smp_percpu_timer_interrupt(regs);
                 cpu = smp_processor_id();
                 if (cpu != boot_cpuid) {
@@ -222,7 +229,6 @@ process_mcheck_info(unsigned long vector, unsigned long la_ptr,
 
 struct irqaction timer_irqaction = {
         .handler        = timer_interrupt,
-        .flags          = IRQF_DISABLED,
         .name           = "timer",
 };
 
diff --git a/arch/alpha/kernel/sys_nautilus.c b/arch/alpha/kernel/sys_nautilus.c
index 4d4c046f708d..1383f8601a93 100644
--- a/arch/alpha/kernel/sys_nautilus.c
+++ b/arch/alpha/kernel/sys_nautilus.c
@@ -188,6 +188,10 @@ nautilus_machine_check(unsigned long vector, unsigned long la_ptr)
 extern void free_reserved_mem(void *, void *);
 extern void pcibios_claim_one_bus(struct pci_bus *);
 
+static struct resource irongate_io = {
+        .name   = "Irongate PCI IO",
+        .flags  = IORESOURCE_IO,
+};
 static struct resource irongate_mem = {
         .name   = "Irongate PCI MEM",
         .flags  = IORESOURCE_MEM,
@@ -209,6 +213,7 @@ nautilus_init_pci(void)
 
         irongate = pci_get_bus_and_slot(0, 0);
         bus->self = irongate;
+        bus->resource[0] = &irongate_io;
         bus->resource[1] = &irongate_mem;
 
         pci_bus_size_bridges(bus);
diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c
index 5cf4a481b8c5..a53cf03f49d5 100644
--- a/arch/alpha/kernel/sys_titan.c
+++ b/arch/alpha/kernel/sys_titan.c
@@ -280,15 +280,15 @@ titan_late_init(void)
          * all reported to the kernel as machine checks, so the handler
          * is a nop so it can be called to count the individual events.
          */
-        titan_request_irq(63+16, titan_intr_nop, IRQF_DISABLED,
+        titan_request_irq(63+16, titan_intr_nop, 0,
                     "CChip Error", NULL);
-        titan_request_irq(62+16, titan_intr_nop, IRQF_DISABLED,
+        titan_request_irq(62+16, titan_intr_nop, 0,
                     "PChip 0 H_Error", NULL);
-        titan_request_irq(61+16, titan_intr_nop, IRQF_DISABLED,
+        titan_request_irq(61+16, titan_intr_nop, 0,
                     "PChip 1 H_Error", NULL);
-        titan_request_irq(60+16, titan_intr_nop, IRQF_DISABLED,
+        titan_request_irq(60+16, titan_intr_nop, 0,
                     "PChip 0 C_Error", NULL);
-        titan_request_irq(59+16, titan_intr_nop, IRQF_DISABLED,
+        titan_request_irq(59+16, titan_intr_nop, 0,
                     "PChip 1 C_Error", NULL);
 
         /* 
@@ -348,9 +348,9 @@ privateer_init_pci(void)
          * Hook a couple of extra err interrupts that the
          * common titan code won't.
          */
-        titan_request_irq(53+16, titan_intr_nop, IRQF_DISABLED,
+        titan_request_irq(53+16, titan_intr_nop, 0,
                     "NMI", NULL);
-        titan_request_irq(50+16, titan_intr_nop, IRQF_DISABLED,
+        titan_request_irq(50+16, titan_intr_nop, 0,
                     "Temperature Warning", NULL);
 
         /*
diff --git a/arch/arc/include/asm/irqflags.h b/arch/arc/include/asm/irqflags.h
index ccd84806b62f..eac071668201 100644
--- a/arch/arc/include/asm/irqflags.h
+++ b/arch/arc/include/asm/irqflags.h
@@ -39,7 +39,7 @@ static inline long arch_local_irq_save(void)
         "       flag.nz %0              \n"
         : "=r"(temp), "=r"(flags)
         : "n"((STATUS_E1_MASK | STATUS_E2_MASK))
-        : "cc");
+        : "memory", "cc");
 
         return flags;
 }
@@ -53,7 +53,8 @@ static inline void arch_local_irq_restore(unsigned long flags)
         __asm__ __volatile__(
         "       flag %0                 \n"
         :
-        : "r"(flags));
+        : "r"(flags)
+        : "memory");
 }
 
 /*
@@ -73,7 +74,8 @@ static inline void arch_local_irq_disable(void)
         "       and %0, %0, %1          \n"
         "       flag %0                 \n"
         : "=&r"(temp)
-        : "n"(~(STATUS_E1_MASK | STATUS_E2_MASK)));
+        : "n"(~(STATUS_E1_MASK | STATUS_E2_MASK))
+        : "memory");
 }
 
 /*
@@ -85,7 +87,9 @@ static inline long arch_local_save_flags(void)
 
         __asm__ __volatile__(
         "       lr  %0, [status32]      \n"
-        : "=&r"(temp));
+        : "=&r"(temp)
+        :
+        : "memory");
 
         return temp;
 }
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 13b739469c51..1cacda426a0e 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1183,9 +1183,9 @@ config ARM_NR_BANKS
         default 8
 
 config IWMMXT
-        bool "Enable iWMMXt support"
+        bool "Enable iWMMXt support" if !CPU_PJ4
         depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4
-        default y if PXA27x || PXA3xx || ARCH_MMP
+        default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4
         help
           Enable support for iWMMXt context switching at run time if
           running on a CPU that supports it.
@@ -1439,6 +1439,16 @@ config ARM_ERRATA_775420
          to deadlock. This workaround puts DSB before executing ISB if
          an abort may occur on cache maintenance.
 
+config ARM_ERRATA_798181
+        bool "ARM errata: TLBI/DSB failure on Cortex-A15"
+        depends on CPU_V7 && SMP
+        help
+          On Cortex-A15 (r0p0..r3p2) the TLBI*IS/DSB operations are not
+          adequately shooting down all use of the old entries. This
+          option enables the Linux kernel workaround for this erratum
+          which sends an IPI to the CPUs that are running the same ASID
+          as the one being invalidated.
+
 endmenu
 
 source "arch/arm/common/Kconfig"
diff --git a/arch/arm/boot/dts/armada-370-mirabox.dts b/arch/arm/boot/dts/armada-370-mirabox.dts
index dd0c57dd9f30..3234875824dc 100644
--- a/arch/arm/boot/dts/armada-370-mirabox.dts
+++ b/arch/arm/boot/dts/armada-370-mirabox.dts
@@ -54,7 +54,7 @@
                 };
 
                 mvsdio@d00d4000 {
-                        pinctrl-0 = <&sdio_pins2>;
+                        pinctrl-0 = <&sdio_pins3>;
                         pinctrl-names = "default";
                         status = "okay";
                         /*
diff --git a/arch/arm/boot/dts/armada-370.dtsi b/arch/arm/boot/dts/armada-370.dtsi
index 8188d138020e..a195debb67d3 100644
--- a/arch/arm/boot/dts/armada-370.dtsi
+++ b/arch/arm/boot/dts/armada-370.dtsi
@@ -59,6 +59,12 @@
                                              "mpp50", "mpp51", "mpp52";
                               marvell,function = "sd0";
                         };
+
+                        sdio_pins3: sdio-pins3 {
+                              marvell,pins = "mpp48", "mpp49", "mpp50",
+                                             "mpp51", "mpp52", "mpp53";
+                              marvell,function = "sd0";
+                        };
                 };
 
                 gpio0: gpio@d0018100 {
diff --git a/arch/arm/boot/dts/dbx5x0.dtsi b/arch/arm/boot/dts/dbx5x0.dtsi
index 9de93096601a..aaa63d0a8096 100644
--- a/arch/arm/boot/dts/dbx5x0.dtsi
+++ b/arch/arm/boot/dts/dbx5x0.dtsi
@@ -191,8 +191,8 @@
 
                 prcmu: prcmu@80157000 {
                         compatible = "stericsson,db8500-prcmu";
-                        reg = <0x80157000 0x1000>;
-                        reg-names = "prcmu";
+                        reg = <0x80157000 0x1000>, <0x801b0000 0x8000>, <0x801b8000 0x1000>;
+                        reg-names = "prcmu", "prcmu-tcpm", "prcmu-tcdm";
                         interrupts = <0 47 0x4>;
                         #address-cells = <1>;
                         #size-cells = <1>;
diff --git a/arch/arm/boot/dts/imx28-m28evk.dts b/arch/arm/boot/dts/imx28-m28evk.dts
index 6ce3d17c3a29..fd36e1cca104 100644
--- a/arch/arm/boot/dts/imx28-m28evk.dts
+++ b/arch/arm/boot/dts/imx28-m28evk.dts
@@ -152,7 +152,6 @@
                         i2c0: i2c@80058000 {
                                 pinctrl-names = "default";
                                 pinctrl-0 = <&i2c0_pins_a>;
-                                clock-frequency = <400000>;
                                 status = "okay";
 
                                 sgtl5000: codec@0a {
diff --git a/arch/arm/boot/dts/imx28-sps1.dts b/arch/arm/boot/dts/imx28-sps1.dts
index e6cde8aa7fff..6c6a5442800a 100644
--- a/arch/arm/boot/dts/imx28-sps1.dts
+++ b/arch/arm/boot/dts/imx28-sps1.dts
@@ -70,7 +70,6 @@
                         i2c0: i2c@80058000 {
                                 pinctrl-names = "default";
                                 pinctrl-0 = <&i2c0_pins_a>;
-                                clock-frequency = <400000>;
                                 status = "okay";
 
                                 rtc: rtc@51 {
diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index 06ec460b4581..281a223591ff 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -91,6 +91,7 @@
                         compatible = "arm,cortex-a9-twd-timer";
                         reg = <0x00a00600 0x20>;
                         interrupts = <1 13 0xf01>;
+                        clocks = <&clks 15>;
                 };
 
                 L2: l2-cache@00a02000 {
diff --git a/arch/arm/boot/dts/kirkwood-goflexnet.dts b/arch/arm/boot/dts/kirkwood-goflexnet.dts
index bd83b8fc7c83..c3573be7b92c 100644
--- a/arch/arm/boot/dts/kirkwood-goflexnet.dts
+++ b/arch/arm/boot/dts/kirkwood-goflexnet.dts
@@ -77,6 +77,7 @@
                 };
 
                 nand@3000000 {
+                        chip-delay = <40>;
                         status = "okay";
 
                         partition@0 {
diff --git a/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts b/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts
index 93c3afbef9ee..3694e94f6e99 100644
--- a/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts
+++ b/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts
@@ -96,11 +96,11 @@
                                 marvell,function = "gpio";
                         };
                         pmx_led_rebuild_brt_ctrl_1: pmx-led-rebuild-brt-ctrl-1 {
-                                marvell,pins = "mpp44";
+                                marvell,pins = "mpp46";
                                 marvell,function = "gpio";
                         };
                         pmx_led_rebuild_brt_ctrl_2: pmx-led-rebuild-brt-ctrl-2 {
-                                marvell,pins = "mpp45";
+                                marvell,pins = "mpp47";
                                 marvell,function = "gpio";
                         };
 
@@ -157,14 +157,14 @@
                         gpios = <&gpio0 16 0>;
                         linux,default-trigger = "default-on";
                 };
-                health_led1 {
+                rebuild_led {
+                        label = "status:white:rebuild_led";
+                        gpios = <&gpio1 4 0>;
+                };
+                health_led {
                         label = "status:red:health_led";
                         gpios = <&gpio1 5 0>;
                 };
-                health_led2 {
-                        label = "status:white:health_led";
-                        gpios = <&gpio1 4 0>;
-                };
                 backup_led {
                         label = "status:blue:backup_led";
                         gpios = <&gpio0 15 0>;
diff --git a/arch/arm/boot/dts/orion5x.dtsi b/arch/arm/boot/dts/orion5x.dtsi
index 8aad00f81ed9..f7bec3b1ba32 100644
--- a/arch/arm/boot/dts/orion5x.dtsi
+++ b/arch/arm/boot/dts/orion5x.dtsi
@@ -13,6 +13,9 @@
         compatible = "marvell,orion5x";
         interrupt-parent = <&intc>;
 
+        aliases {
+                gpio0 = &gpio0;
+        };
         intc: interrupt-controller {
                 compatible = "marvell,orion-intc", "marvell,intc";
                 interrupt-controller;
@@ -32,7 +35,9 @@
                         #gpio-cells = <2>;
                         gpio-controller;
                         reg = <0x10100 0x40>;
-                        ngpio = <32>;
+                        ngpios = <32>;
+                        interrupt-controller;
+                        #interrupt-cells = <2>;
                         interrupts = <6>, <7>, <8>, <9>;
                 };
 
@@ -91,7 +96,7 @@
                         reg = <0x90000 0x10000>,
                               <0xf2200000 0x800>;
                         reg-names = "regs", "sram";
-                        interrupts = <22>;
+                        interrupts = <28>;
                         status = "okay";
                 };
         };
diff --git a/arch/arm/include/asm/delay.h b/arch/arm/include/asm/delay.h
index 720799fd3a81..dff714d886d5 100644
--- a/arch/arm/include/asm/delay.h
+++ b/arch/arm/include/asm/delay.h
@@ -24,7 +24,7 @@ extern struct arm_delay_ops {
         void (*delay)(unsigned long);
         void (*const_udelay)(unsigned long);
         void (*udelay)(unsigned long);
-        bool const_clock;
+        unsigned long ticks_per_jiffy;
 } arm_delay_ops;
 
 #define __delay(n)              arm_delay_ops.delay(n)
diff --git a/arch/arm/include/asm/glue-cache.h b/arch/arm/include/asm/glue-cache.h
index cca9f15704ed..ea289e1435e7 100644
--- a/arch/arm/include/asm/glue-cache.h
+++ b/arch/arm/include/asm/glue-cache.h
@@ -19,14 +19,6 @@
 #undef _CACHE
 #undef MULTI_CACHE
 
-#if defined(CONFIG_CPU_CACHE_V3)
-# ifdef _CACHE
-#  define MULTI_CACHE 1
-# else
-#  define _CACHE v3
-# endif
-#endif
-
 #if defined(CONFIG_CPU_CACHE_V4)
 # ifdef _CACHE
 #  define MULTI_CACHE 1
diff --git a/arch/arm/include/asm/hardware/iop3xx.h b/arch/arm/include/asm/hardware/iop3xx.h
index 02fe2fbe2477..ed94b1a366ae 100644
--- a/arch/arm/include/asm/hardware/iop3xx.h
+++ b/arch/arm/include/asm/hardware/iop3xx.h
@@ -37,7 +37,7 @@ extern int iop3xx_get_init_atu(void);
  * IOP3XX processor registers
  */
 #define IOP3XX_PERIPHERAL_PHYS_BASE     0xffffe000
-#define IOP3XX_PERIPHERAL_VIRT_BASE     0xfeffe000
+#define IOP3XX_PERIPHERAL_VIRT_BASE     0xfedfe000
 #define IOP3XX_PERIPHERAL_SIZE          0x00002000
 #define IOP3XX_PERIPHERAL_UPPER_PA (IOP3XX_PERIPHERAL_PHYS_BASE +\
                                         IOP3XX_PERIPHERAL_SIZE - 1)
diff --git a/arch/arm/include/asm/highmem.h b/arch/arm/include/asm/highmem.h
index 8c5e828f484d..91b99abe7a95 100644
--- a/arch/arm/include/asm/highmem.h
+++ b/arch/arm/include/asm/highmem.h
@@ -41,6 +41,13 @@ extern void kunmap_high(struct page *page);
 #endif
 #endif
 
+/*
+ * Needed to be able to broadcast the TLB invalidation for kmap.
+ */
+#ifdef CONFIG_ARM_ERRATA_798181
+#undef ARCH_NEEDS_KMAP_HIGH_GET
+#endif
+
 #ifdef ARCH_NEEDS_KMAP_HIGH_GET
 extern void *kmap_high_get(struct page *page);
 #else
diff --git a/arch/arm/include/asm/mmu_context.h b/arch/arm/include/asm/mmu_context.h
index 863a6611323c..a7b85e0d0cc1 100644
--- a/arch/arm/include/asm/mmu_context.h
+++ b/arch/arm/include/asm/mmu_context.h
@@ -27,6 +27,8 @@ void __check_vmalloc_seq(struct mm_struct *mm);
 void check_and_switch_context(struct mm_struct *mm, struct task_struct *tsk);
 #define init_new_context(tsk,mm)        ({ atomic64_set(&mm->context.id, 0); 0; })
 
+DECLARE_PER_CPU(atomic64_t, active_asids);
+
 #else   /* !CONFIG_CPU_HAS_ASID */
 
 #ifdef CONFIG_MMU
diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h
index 6ef8afd1b64c..86b8fe398b95 100644
--- a/arch/arm/include/asm/pgtable-3level.h
+++ b/arch/arm/include/asm/pgtable-3level.h
@@ -111,7 +111,7 @@
 #define L_PTE_S2_MT_WRITETHROUGH (_AT(pteval_t, 0xa) << 2) /* MemAttr[3:0] */
 #define L_PTE_S2_MT_WRITEBACK    (_AT(pteval_t, 0xf) << 2) /* MemAttr[3:0] */
 #define L_PTE_S2_RDONLY          (_AT(pteval_t, 1) << 6)   /* HAP[1]   */
-#define L_PTE_S2_RDWR            (_AT(pteval_t, 2) << 6)   /* HAP[2:1] */
+#define L_PTE_S2_RDWR            (_AT(pteval_t, 3) << 6)   /* HAP[2:1] */
 
 /*
  * Hyp-mode PL2 PTE definitions for LPAE.
diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h
index 4db8c8820f0d..ab865e65a84c 100644
--- a/arch/arm/include/asm/tlbflush.h
+++ b/arch/arm/include/asm/tlbflush.h
@@ -14,7 +14,6 @@
 
 #include <asm/glue.h>
 
-#define TLB_V3_PAGE     (1 << 0)
 #define TLB_V4_U_PAGE   (1 << 1)
 #define TLB_V4_D_PAGE   (1 << 2)
 #define TLB_V4_I_PAGE   (1 << 3)
@@ -22,7 +21,6 @@
 #define TLB_V6_D_PAGE   (1 << 5)
 #define TLB_V6_I_PAGE   (1 << 6)
 
-#define TLB_V3_FULL     (1 << 8)
 #define TLB_V4_U_FULL   (1 << 9)
 #define TLB_V4_D_FULL   (1 << 10)
 #define TLB_V4_I_FULL   (1 << 11)
@@ -52,7 +50,6 @@
  *      =============
  *
  *      We have the following to choose from:
- *        v3    - ARMv3
  *        v4    - ARMv4 without write buffer
  *        v4wb  - ARMv4 with write buffer without I TLB flush entry instruction
  *        v4wbi - ARMv4 with write buffer with I TLB flush entry instruction
@@ -330,7 +327,6 @@ static inline void local_flush_tlb_all(void)
         if (tlb_flag(TLB_WB))
                 dsb();
 
-        tlb_op(TLB_V3_FULL, "c6, c0, 0", zero);
         tlb_op(TLB_V4_U_FULL | TLB_V6_U_FULL, "c8, c7, 0", zero);
         tlb_op(TLB_V4_D_FULL | TLB_V6_D_FULL, "c8, c6, 0", zero);
         tlb_op(TLB_V4_I_FULL | TLB_V6_I_FULL, "c8, c5, 0", zero);
@@ -351,9 +347,8 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm)
         if (tlb_flag(TLB_WB))
                 dsb();
 
-        if (possible_tlb_flags & (TLB_V3_FULL|TLB_V4_U_FULL|TLB_V4_D_FULL|TLB_V4_I_FULL)) {
+        if (possible_tlb_flags & (TLB_V4_U_FULL|TLB_V4_D_FULL|TLB_V4_I_FULL)) {
                 if (cpumask_test_cpu(get_cpu(), mm_cpumask(mm))) {
-                        tlb_op(TLB_V3_FULL, "c6, c0, 0", zero);
                         tlb_op(TLB_V4_U_FULL, "c8, c7, 0", zero);
                         tlb_op(TLB_V4_D_FULL, "c8, c6, 0", zero);
                         tlb_op(TLB_V4_I_FULL, "c8, c5, 0", zero);
@@ -385,9 +380,8 @@ local_flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
         if (tlb_flag(TLB_WB))
                 dsb();
 
-        if (possible_tlb_flags & (TLB_V3_PAGE|TLB_V4_U_PAGE|TLB_V4_D_PAGE|TLB_V4_I_PAGE|TLB_V4_I_FULL) &&
+        if (possible_tlb_flags & (TLB_V4_U_PAGE|TLB_V4_D_PAGE|TLB_V4_I_PAGE|TLB_V4_I_FULL) &&
             cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) {
-                tlb_op(TLB_V3_PAGE, "c6, c0, 0", uaddr);
                 tlb_op(TLB_V4_U_PAGE, "c8, c7, 1", uaddr);
                 tlb_op(TLB_V4_D_PAGE, "c8, c6, 1", uaddr);
                 tlb_op(TLB_V4_I_PAGE, "c8, c5, 1", uaddr);
@@ -418,7 +412,6 @@ static inline void local_flush_tlb_kernel_page(unsigned long kaddr)
         if (tlb_flag(TLB_WB))
                 dsb();
 
-        tlb_op(TLB_V3_PAGE, "c6, c0, 0", kaddr);
         tlb_op(TLB_V4_U_PAGE, "c8, c7, 1", kaddr);
         tlb_op(TLB_V4_D_PAGE, "c8, c6, 1", kaddr);
         tlb_op(TLB_V4_I_PAGE, "c8, c5, 1", kaddr);
@@ -450,6 +443,21 @@ static inline void local_flush_bp_all(void)
                 isb();
 }
 
+#ifdef CONFIG_ARM_ERRATA_798181
+static inline void dummy_flush_tlb_a15_erratum(void)
+{
+        /*
+         * Dummy TLBIMVAIS. Using the unmapped address 0 and ASID 0.
+         */
+        asm("mcr p15, 0, %0, c8, c3, 1" : : "r" (0));
+        dsb();
+}
+#else
+static inline void dummy_flush_tlb_a15_erratum(void)
+{
+}
+#endif
+
 /*
  *      flush_pmd_entry
  *
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index 3248cde504ed..fefd7f971437 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -276,7 +276,13 @@ ENDPROC(ftrace_graph_caller_old)
  */
 
 .macro mcount_enter
+/*
+ * This pad compensates for the push {lr} at the call site.  Note that we are
+ * unable to unwind through a function which does not otherwise save its lr.
+ */
+ UNWIND(.pad    #4)
         stmdb   sp!, {r0-r3, lr}
+ UNWIND(.save   {r0-r3, lr})
 .endm
 
 .macro mcount_get_lr reg
@@ -289,6 +295,7 @@ ENDPROC(ftrace_graph_caller_old)
 .endm
 
 ENTRY(__gnu_mcount_nc)
+UNWIND(.fnstart)
 #ifdef CONFIG_DYNAMIC_FTRACE
         mov     ip, lr
         ldmia   sp!, {lr}
@@ -296,17 +303,22 @@ ENTRY(__gnu_mcount_nc)
 #else
         __mcount
 #endif
+UNWIND(.fnend)
 ENDPROC(__gnu_mcount_nc)
 
 #ifdef CONFIG_DYNAMIC_FTRACE
 ENTRY(ftrace_caller)
+UNWIND(.fnstart)
         __ftrace_caller
+UNWIND(.fnend)
 ENDPROC(ftrace_caller)
 #endif
 
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
 ENTRY(ftrace_graph_caller)
+UNWIND(.fnstart)
         __ftrace_graph_caller
+UNWIND(.fnend)
 ENDPROC(ftrace_graph_caller)
 #endif
 
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index e0eb9a1cae77..8bac553fe213 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -267,7 +267,7 @@ __create_page_tables:
         addne   r6, r6, #1 << SECTION_SHIFT
         strne   r6, [r3]
 
-#if defined(CONFIG_LPAE) && defined(CONFIG_CPU_ENDIAN_BE8)
+#if defined(CONFIG_ARM_LPAE) && defined(CONFIG_CPU_ENDIAN_BE8)
         sub     r4, r4, #4                      @ Fixup page table pointer
                                                 @ for 64-bit descriptors
 #endif
diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
index 96093b75ab90..1fd749ee4a1b 100644
--- a/arch/arm/kernel/hw_breakpoint.c
+++ b/arch/arm/kernel/hw_breakpoint.c
@@ -966,7 +966,7 @@ static void reset_ctrl_regs(void *unused)
         }
 
         if (err) {
-                pr_warning("CPU %d debug is powered down!\n", cpu);
+                pr_warn_once("CPU %d debug is powered down!\n", cpu);
                 cpumask_or(&debug_err_mask, &debug_err_mask, cpumask_of(cpu));
                 return;
         }
@@ -987,7 +987,7 @@ clear_vcr:
         isb();
 
         if (cpumask_intersects(&debug_err_mask, cpumask_of(cpu))) {
-                pr_warning("CPU %d failed to disable vector catch\n", cpu);
+                pr_warn_once("CPU %d failed to disable vector catch\n", cpu);
                 return;
         }
 
@@ -1007,7 +1007,7 @@ clear_vcr:
         }
 
         if (cpumask_intersects(&debug_err_mask, cpumask_of(cpu))) {
-                pr_warning("CPU %d failed to clear debug register pairs\n", cpu);
+                pr_warn_once("CPU %d failed to clear debug register pairs\n", cpu);
                 return;
         }
 
@@ -1043,7 +1043,7 @@ static int dbg_cpu_pm_notify(struct notifier_block *self, unsigned long action,
         return NOTIFY_OK;
 }
 
-static struct notifier_block __cpuinitdata dbg_cpu_pm_nb = {
+static struct notifier_block dbg_cpu_pm_nb = {
         .notifier_call = dbg_cpu_pm_notify,
 };
 
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 146157dfe27c..8c3094d0f7b7 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -253,7 +253,10 @@ validate_event(struct pmu_hw_events *hw_events,
         struct arm_pmu *armpmu = to_arm_pmu(event->pmu);
         struct pmu *leader_pmu = event->group_leader->pmu;
 
-        if (event->pmu != leader_pmu || event->state <= PERF_EVENT_STATE_OFF)
+        if (event->pmu != leader_pmu || event->state < PERF_EVENT_STATE_OFF)
+                return 1;
+
+        if (event->state == PERF_EVENT_STATE_OFF && !event->attr.enable_on_exec)
                 return 1;
 
         return armpmu->get_event_idx(hw_events, event) >= 0;
diff --git a/arch/arm/kernel/sched_clock.c b/arch/arm/kernel/sched_clock.c
index bd6f56b9ec21..59d2adb764a9 100644
--- a/arch/arm/kernel/sched_clock.c
+++ b/arch/arm/kernel/sched_clock.c
@@ -45,12 +45,12 @@ static u32 notrace jiffy_sched_clock_read(void)
 
 static u32 __read_mostly (*read_sched_clock)(void) = jiffy_sched_clock_read;
 
-static inline u64 cyc_to_ns(u64 cyc, u32 mult, u32 shift)
+static inline u64 notrace cyc_to_ns(u64 cyc, u32 mult, u32 shift)
 {
         return (cyc * mult) >> shift;
 }
 
-static unsigned long long cyc_to_sched_clock(u32 cyc, u32 mask)
+static unsigned long long notrace cyc_to_sched_clock(u32 cyc, u32 mask)
 {
         u64 epoch_ns;
         u32 epoch_cyc;
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 3f6cbb2e3eda..234e339196c0 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -56,7 +56,6 @@
 #include <asm/virt.h>
 
 #include "atags.h"
-#include "tcm.h"
 
 
 #if defined(CONFIG_FPE_NWFPE) || defined(CONFIG_FPE_FASTFPE)
@@ -353,6 +352,23 @@ void __init early_print(const char *str, ...)
         printk("%s", buf);
 }
 
+static void __init cpuid_init_hwcaps(void)
+{
+        unsigned int divide_instrs;
+
+        if (cpu_architecture() < CPU_ARCH_ARMv7)
+                return;
+
+        divide_instrs = (read_cpuid_ext(CPUID_EXT_ISAR0) & 0x0f000000) >> 24;
+
+        switch (divide_instrs) {
+        case 2:
+                elf_hwcap |= HWCAP_IDIVA;
+        case 1:
+                elf_hwcap |= HWCAP_IDIVT;
+        }
+}
+
 static void __init feat_v6_fixup(void)
 {
         int id = read_cpuid_id();
@@ -483,8 +499,11 @@ static void __init setup_processor(void)
         snprintf(elf_platform, ELF_PLATFORM_SIZE, "%s%c",
                  list->elf_name, ENDIANNESS);
         elf_hwcap = list->elf_hwcap;
+
+        cpuid_init_hwcaps();
+
 #ifndef CONFIG_ARM_THUMB
-        elf_hwcap &= ~HWCAP_THUMB;
+        elf_hwcap &= ~(HWCAP_THUMB | HWCAP_IDIVT);
 #endif
 
         feat_v6_fixup();
@@ -524,7 +543,7 @@ int __init arm_add_memory(phys_addr_t start, phys_addr_t size)
         size -= start & ~PAGE_MASK;
         bank->start = PAGE_ALIGN(start);
 
-#ifndef CONFIG_LPAE
+#ifndef CONFIG_ARM_LPAE
         if (bank->start + size < bank->start) {
                 printk(KERN_CRIT "Truncating memory at 0x%08llx to fit in "
                         "32-bit physical address space\n", (long long)start);
@@ -778,8 +797,6 @@ void __init setup_arch(char **cmdline_p)
 
         reserve_crashkernel();
 
-        tcm_init();
-
 #ifdef CONFIG_MULTI_IRQ_HANDLER
         handle_arch_irq = mdesc->handle_irq;
 #endif
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 79078edbb9bc..1f2ccccaf009 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -673,9 +673,6 @@ static int cpufreq_callback(struct notifier_block *nb,
         if (freq->flags & CPUFREQ_CONST_LOOPS)
                 return NOTIFY_OK;
 
-        if (arm_delay_ops.const_clock)
-                return NOTIFY_OK;
-
         if (!per_cpu(l_p_j_ref, cpu)) {
                 per_cpu(l_p_j_ref, cpu) =
                         per_cpu(cpu_data, cpu).loops_per_jiffy;
diff --git a/arch/arm/kernel/smp_tlb.c b/arch/arm/kernel/smp_tlb.c
index bd0300531399..e82e1d248772 100644
--- a/arch/arm/kernel/smp_tlb.c
+++ b/arch/arm/kernel/smp_tlb.c
@@ -12,6 +12,7 @@
 
 #include <asm/smp_plat.h>
 #include <asm/tlbflush.h>
+#include <asm/mmu_context.h>
 
 /**********************************************************************/
 
@@ -69,12 +70,72 @@ static inline void ipi_flush_bp_all(void *ignored)
         local_flush_bp_all();
 }
 
+#ifdef CONFIG_ARM_ERRATA_798181
+static int erratum_a15_798181(void)
+{
+        unsigned int midr = read_cpuid_id();
+
+        /* Cortex-A15 r0p0..r3p2 affected */
+        if ((midr & 0xff0ffff0) != 0x410fc0f0 || midr > 0x413fc0f2)
+                return 0;
+        return 1;
+}
+#else
+static int erratum_a15_798181(void)
+{
+        return 0;
+}
+#endif
+
+static void ipi_flush_tlb_a15_erratum(void *arg)
+{
+        dmb();
+}
+
+static void broadcast_tlb_a15_erratum(void)
+{
+        if (!erratum_a15_798181())
+                return;
+
+        dummy_flush_tlb_a15_erratum();
+        smp_call_function_many(cpu_online_mask, ipi_flush_tlb_a15_erratum,
+                               NULL, 1);
+}
+
+static void broadcast_tlb_mm_a15_erratum(struct mm_struct *mm)
+{
+        int cpu;
+        cpumask_t mask = { CPU_BITS_NONE };
+
+        if (!erratum_a15_798181())
+                return;
+
+        dummy_flush_tlb_a15_erratum();
+        for_each_online_cpu(cpu) {
+                if (cpu == smp_processor_id())
+                        continue;
+                /*
+                 * We only need to send an IPI if the other CPUs are running
+                 * the same ASID as the one being invalidated. There is no
+                 * need for locking around the active_asids check since the
+                 * switch_mm() function has at least one dmb() (as required by
+                 * this workaround) in case a context switch happens on
+                 * another CPU after the condition below.
+                 */
+                if (atomic64_read(&mm->context.id) ==
+                    atomic64_read(&per_cpu(active_asids, cpu)))
+                        cpumask_set_cpu(cpu, &mask);
+        }
+        smp_call_function_many(&mask, ipi_flush_tlb_a15_erratum, NULL, 1);
+}
+
 void flush_tlb_all(void)
 {
         if (tlb_ops_need_broadcast())
                 on_each_cpu(ipi_flush_tlb_all, NULL, 1);
         else
                 local_flush_tlb_all();
+        broadcast_tlb_a15_erratum();
 }
 
 void flush_tlb_mm(struct mm_struct *mm)
@@ -83,6 +144,7 @@ void flush_tlb_mm(struct mm_struct *mm)
                 on_each_cpu_mask(mm_cpumask(mm), ipi_flush_tlb_mm, mm, 1);
         else
                 local_flush_tlb_mm(mm);
+        broadcast_tlb_mm_a15_erratum(mm);
 }
 
 void flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
@@ -95,6 +157,7 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
                                         &ta, 1);
         } else
                 local_flush_tlb_page(vma, uaddr);
+        broadcast_tlb_mm_a15_erratum(vma->vm_mm);
 }
 
 void flush_tlb_kernel_page(unsigned long kaddr)
@@ -105,6 +168,7 @@ void flush_tlb_kernel_page(unsigned long kaddr)
                 on_each_cpu(ipi_flush_tlb_kernel_page, &ta, 1);
         } else
                 local_flush_tlb_kernel_page(kaddr);
+        broadcast_tlb_a15_erratum();
 }
 
 void flush_tlb_range(struct vm_area_struct *vma,
@@ -119,6 +183,7 @@ void flush_tlb_range(struct vm_area_struct *vma,
                                         &ta, 1);
         } else
                 local_flush_tlb_range(vma, start, end);
+        broadcast_tlb_mm_a15_erratum(vma->vm_mm);
 }
 
 void flush_tlb_kernel_range(unsigned long start, unsigned long end)
@@ -130,6 +195,7 @@ void flush_tlb_kernel_range(unsigned long start, unsigned long end)
                 on_each_cpu(ipi_flush_tlb_kernel_range, &ta, 1);
         } else
                 local_flush_tlb_kernel_range(start, end);
+        broadcast_tlb_a15_erratum();
 }
 
 void flush_bp_all(void)
diff --git a/arch/arm/kernel/tcm.c b/arch/arm/kernel/tcm.c
index 30ae6bb4a310..f50f19e5c138 100644
--- a/arch/arm/kernel/tcm.c
+++ b/arch/arm/kernel/tcm.c
@@ -17,7 +17,6 @@
 #include <asm/mach/map.h>
 #include <asm/memory.h>
 #include <asm/system_info.h>
-#include "tcm.h"
 
 static struct gen_pool *tcm_pool;
 static bool dtcm_present;
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index 5a936988eb24..c1fe498983ac 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -201,6 +201,7 @@ int kvm_dev_ioctl_check_extension(long ext)
                 break;
         case KVM_CAP_ARM_SET_DEVICE_ADDR:
                 r = 1;
+                break;
         case KVM_CAP_NR_VCPUS:
                 r = num_online_cpus();
                 break;
diff --git a/arch/arm/kvm/coproc.c b/arch/arm/kvm/coproc.c
index 4ea9a982269c..7bed7556077a 100644
--- a/arch/arm/kvm/coproc.c
+++ b/arch/arm/kvm/coproc.c
@@ -79,11 +79,11 @@ static bool access_dcsw(struct kvm_vcpu *vcpu,
         u32 val;
         int cpu;
 
-        cpu = get_cpu();
-
         if (!p->is_write)
                 return read_from_write_only(vcpu, p);
 
+        cpu = get_cpu();
+
         cpumask_setall(&vcpu->arch.require_dcache_flush);
         cpumask_clear_cpu(cpu, &vcpu->arch.require_dcache_flush);
 
diff --git a/arch/arm/kvm/vgic.c b/arch/arm/kvm/vgic.c
index c9a17316e9fe..0e4cfe123b38 100644
--- a/arch/arm/kvm/vgic.c
+++ b/arch/arm/kvm/vgic.c
@@ -883,8 +883,7 @@ static bool vgic_queue_irq(struct kvm_vcpu *vcpu, u8 sgi_source_id, int irq)
                           lr, irq, vgic_cpu->vgic_lr[lr]);
                 BUG_ON(!test_bit(lr, vgic_cpu->lr_used));
                 vgic_cpu->vgic_lr[lr] |= GICH_LR_PENDING_BIT;
-
-                goto out;
+                return true;
         }
 
         /* Try to use another LR for this interrupt */
@@ -898,7 +897,6 @@ static bool vgic_queue_irq(struct kvm_vcpu *vcpu, u8 sgi_source_id, int irq)
         vgic_cpu->vgic_irq_lr_map[irq] = lr;
         set_bit(lr, vgic_cpu->lr_used);
 
-out:
         if (!vgic_irq_is_edge(vcpu, irq))
                 vgic_cpu->vgic_lr[lr] |= GICH_LR_EOI;
 
@@ -1018,21 +1016,6 @@ static bool vgic_process_maintenance(struct kvm_vcpu *vcpu)
 
         kvm_debug("MISR = %08x\n", vgic_cpu->vgic_misr);
 
-        /*
-         * We do not need to take the distributor lock here, since the only
-         * action we perform is clearing the irq_active_bit for an EOIed
-         * level interrupt.  There is a potential race with
-         * the queuing of an interrupt in __kvm_vgic_flush_hwstate(), where we
-         * check if the interrupt is already active. Two possibilities:
-         *
-         * - The queuing is occurring on the same vcpu: cannot happen,
-         *   as we're already in the context of this vcpu, and
-         *   executing the handler
-         * - The interrupt has been migrated to another vcpu, and we
-         *   ignore this interrupt for this run. Big deal. It is still
-         *   pending though, and will get considered when this vcpu
-         *   exits.
-         */
         if (vgic_cpu->vgic_misr & GICH_MISR_EOI) {
                 /*
                  * Some level interrupts have been EOIed. Clear their
@@ -1054,6 +1037,13 @@ static bool vgic_process_maintenance(struct kvm_vcpu *vcpu)
                         } else {
                                 vgic_cpu_irq_clear(vcpu, irq);
                         }
+
+                        /*
+                         * Despite being EOIed, the LR may not have
+                         * been marked as empty.
+                         */
+                        set_bit(lr, (unsigned long *)vgic_cpu->vgic_elrsr);
+                        vgic_cpu->vgic_lr[lr] &= ~GICH_LR_ACTIVE_BIT;
                 }
         }
 
@@ -1064,9 +1054,8 @@ static bool vgic_process_maintenance(struct kvm_vcpu *vcpu)
 }
 
 /*
- * Sync back the VGIC state after a guest run. We do not really touch
- * the distributor here (the irq_pending_on_cpu bit is safe to set),
- * so there is no need for taking its lock.
+ * Sync back the VGIC state after a guest run. The distributor lock is
+ * needed so we don't get preempted in the middle of the state processing.
  */
 static void __kvm_vgic_sync_hwstate(struct kvm_vcpu *vcpu)
 {
@@ -1112,10 +1101,14 @@ void kvm_vgic_flush_hwstate(struct kvm_vcpu *vcpu)
 
 void kvm_vgic_sync_hwstate(struct kvm_vcpu *vcpu)
 {
+        struct vgic_dist *dist = &vcpu->kvm->arch.vgic;
+
         if (!irqchip_in_kernel(vcpu->kvm))
                 return;
 
+        spin_lock(&dist->lock);
         __kvm_vgic_sync_hwstate(vcpu);
+        spin_unlock(&dist->lock);
 }
 
 int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu)
diff --git a/arch/arm/lib/delay.c b/arch/arm/lib/delay.c
index 6b93f6a1a3c7..64dbfa57204a 100644
--- a/arch/arm/lib/delay.c
+++ b/arch/arm/lib/delay.c
@@ -58,7 +58,7 @@ static void __timer_delay(unsigned long cycles)
 static void __timer_const_udelay(unsigned long xloops)
 {
         unsigned long long loops = xloops;
-        loops *= loops_per_jiffy;
+        loops *= arm_delay_ops.ticks_per_jiffy;
         __timer_delay(loops >> UDELAY_SHIFT);
 }
 
@@ -73,11 +73,13 @@ void __init register_current_timer_delay(const struct delay_timer *timer)
                 pr_info("Switching to timer-based delay loop\n");
                 delay_timer                     = timer;
                 lpj_fine                        = timer->freq / HZ;
-                loops_per_jiffy                 = lpj_fine;
+
+                /* cpufreq may scale loops_per_jiffy, so keep a private copy */
+                arm_delay_ops.ticks_per_jiffy   = lpj_fine;
                 arm_delay_ops.delay             = __timer_delay;
                 arm_delay_ops.const_udelay      = __timer_const_udelay;
                 arm_delay_ops.udelay            = __timer_udelay;
-                arm_delay_ops.const_clock       = true;
+
                 delay_calibrated                = true;
         } else {
                 pr_info("Ignoring duplicate/late registration of read_current_timer delay\n");
diff --git a/arch/arm/mach-cns3xxx/core.c b/arch/arm/mach-cns3xxx/core.c
index e698f26cc0cb..52e4bb5cf12d 100644
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -22,19 +22,9 @@
 
 static struct map_desc cns3xxx_io_desc[] __initdata = {
         {
-                .virtual        = CNS3XXX_TC11MP_TWD_BASE_VIRT,
-                .pfn            = __phys_to_pfn(CNS3XXX_TC11MP_TWD_BASE),
-                .length         = SZ_4K,
-                .type           = MT_DEVICE,
-        }, {
-                .virtual        = CNS3XXX_TC11MP_GIC_CPU_BASE_VIRT,
-                .pfn            = __phys_to_pfn(CNS3XXX_TC11MP_GIC_CPU_BASE),
-                .length         = SZ_4K,
-                .type           = MT_DEVICE,
-        }, {
-                .virtual        = CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT,
-                .pfn            = __phys_to_pfn(CNS3XXX_TC11MP_GIC_DIST_BASE),
-                .length         = SZ_4K,
+                .virtual        = CNS3XXX_TC11MP_SCU_BASE_VIRT,
+                .pfn            = __phys_to_pfn(CNS3XXX_TC11MP_SCU_BASE),
+                .length         = SZ_8K,
                 .type           = MT_DEVICE,
         }, {
                 .virtual        = CNS3XXX_TIMER1_2_3_BASE_VIRT,
diff --git a/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h b/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h
index 191c8e57f289..b1021aafa481 100644
--- a/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h
+++ b/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h
@@ -94,10 +94,10 @@
 #define RTC_INTR_STS_OFFSET                     0x34
 
 #define CNS3XXX_MISC_BASE                       0x76000000      /* Misc Control */
-#define CNS3XXX_MISC_BASE_VIRT                  0xFFF07000      /* Misc Control */
+#define CNS3XXX_MISC_BASE_VIRT                  0xFB000000      /* Misc Control */
 
 #define CNS3XXX_PM_BASE                         0x77000000      /* Power Management Control */
-#define CNS3XXX_PM_BASE_VIRT                    0xFFF08000
+#define CNS3XXX_PM_BASE_VIRT                    0xFB001000
 
 #define PM_CLK_GATE_OFFSET                      0x00
 #define PM_SOFT_RST_OFFSET                      0x04
@@ -109,7 +109,7 @@
 #define PM_PLL_HM_PD_OFFSET                     0x1C
 
 #define CNS3XXX_UART0_BASE                      0x78000000      /* UART 0 */
-#define CNS3XXX_UART0_BASE_VIRT                 0xFFF09000
+#define CNS3XXX_UART0_BASE_VIRT                 0xFB002000
 
 #define CNS3XXX_UART1_BASE                      0x78400000      /* UART 1 */
 #define CNS3XXX_UART1_BASE_VIRT                 0xFFF0A000
@@ -130,7 +130,7 @@
 #define CNS3XXX_I2S_BASE_VIRT                   0xFFF10000
 
 #define CNS3XXX_TIMER1_2_3_BASE                 0x7C800000      /* Timer */
-#define CNS3XXX_TIMER1_2_3_BASE_VIRT            0xFFF10800
+#define CNS3XXX_TIMER1_2_3_BASE_VIRT            0xFB003000
 
 #define TIMER1_COUNTER_OFFSET                   0x00
 #define TIMER1_AUTO_RELOAD_OFFSET               0x04
@@ -227,16 +227,16 @@
  * Testchip peripheral and fpga gic regions
  */
 #define CNS3XXX_TC11MP_SCU_BASE                 0x90000000      /* IRQ, Test chip */
-#define CNS3XXX_TC11MP_SCU_BASE_VIRT            0xFF000000
+#define CNS3XXX_TC11MP_SCU_BASE_VIRT            0xFB004000
 
 #define CNS3XXX_TC11MP_GIC_CPU_BASE             0x90000100      /* Test chip interrupt controller CPU interface */
-#define CNS3XXX_TC11MP_GIC_CPU_BASE_VIRT        0xFF000100
+#define CNS3XXX_TC11MP_GIC_CPU_BASE_VIRT        (CNS3XXX_TC11MP_SCU_BASE_VIRT + 0x100)
 
 #define CNS3XXX_TC11MP_TWD_BASE                 0x90000600
-#define CNS3XXX_TC11MP_TWD_BASE_VIRT            0xFF000600
+#define CNS3XXX_TC11MP_TWD_BASE_VIRT            (CNS3XXX_TC11MP_SCU_BASE_VIRT + 0x600)
 
 #define CNS3XXX_TC11MP_GIC_DIST_BASE            0x90001000      /* Test chip interrupt controller distributor */
-#define CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT       0xFF001000
+#define CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT       (CNS3XXX_TC11MP_SCU_BASE_VIRT + 0x1000)
 
 #define CNS3XXX_TC11MP_L220_BASE                0x92002000      /* L220 registers */
 #define CNS3XXX_TC11MP_L220_BASE_VIRT           0xFF002000
diff --git a/arch/arm/mach-ep93xx/include/mach/uncompress.h b/arch/arm/mach-ep93xx/include/mach/uncompress.h
index d2afb4dd82ab..b5cc77d2380b 100644
--- a/arch/arm/mach-ep93xx/include/mach/uncompress.h
+++ b/arch/arm/mach-ep93xx/include/mach/uncompress.h
@@ -47,9 +47,13 @@ static void __raw_writel(unsigned int value, unsigned int ptr)
 
 static inline void putc(int c)
 {
-        /* Transmit fifo not full?  */
-        while (__raw_readb(PHYS_UART_FLAG) & UART_FLAG_TXFF)
-                ;
+        int i;
+
+        for (i = 0; i < 10000; i++) {
+                /* Transmit fifo not full? */
+                if (!(__raw_readb(PHYS_UART_FLAG) & UART_FLAG_TXFF))
+                        break;
+        }
 
         __raw_writeb(c, PHYS_UART_DATA);
 }
diff --git a/arch/arm/mach-highbank/hotplug.c b/arch/arm/mach-highbank/hotplug.c
index f30c52843396..890cae23c12a 100644
--- a/arch/arm/mach-highbank/hotplug.c
+++ b/arch/arm/mach-highbank/hotplug.c
@@ -28,13 +28,11 @@ extern void secondary_startup(void);
  */
 void __ref highbank_cpu_die(unsigned int cpu)
 {
-        flush_cache_all();
-
         highbank_set_cpu_jump(cpu, phys_to_virt(0));
-        highbank_set_core_pwr();
 
-        cpu_do_idle();
+        flush_cache_louis();
+        highbank_set_core_pwr();
 
-        /* We should never return from idle */
-        panic("highbank: cpu %d unexpectedly exit from shutdown\n", cpu);
+        while (1)
+                cpu_do_idle();
 }
diff --git a/arch/arm/mach-imx/clk-imx35.c b/arch/arm/mach-imx/clk-imx35.c
index e13a8fa5e62c..2193c834f55c 100644
--- a/arch/arm/mach-imx/clk-imx35.c
+++ b/arch/arm/mach-imx/clk-imx35.c
@@ -257,6 +257,7 @@ int __init mx35_clocks_init(void)
         clk_register_clkdev(clk[wdog_gate], NULL, "imx2-wdt.0");
         clk_register_clkdev(clk[nfc_div], NULL, "imx25-nand.0");
         clk_register_clkdev(clk[csi_gate], NULL, "mx3-camera.0");
+        clk_register_clkdev(clk[admux_gate], "audmux", NULL);
 
         clk_prepare_enable(clk[spba_gate]);
         clk_prepare_enable(clk[gpio1_gate]);
@@ -265,6 +266,7 @@ int __init mx35_clocks_init(void)
         clk_prepare_enable(clk[iim_gate]);
         clk_prepare_enable(clk[emi_gate]);
         clk_prepare_enable(clk[max_gate]);
+        clk_prepare_enable(clk[iomuxc_gate]);
 
         /*
          * SCC is needed to boot via mmc after a watchdog reset. The clock code
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 2f9ff93a4e61..d38e54f5b6d7 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -115,7 +115,7 @@ static const char *gpu2d_core_sels[]	= { "axi", "pll3_usb_otg", "pll2_pfd0_352m"
 static const char *gpu3d_core_sels[]    = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd2_396m", };
 static const char *gpu3d_shader_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd9_720m", };
 static const char *ipu_sels[]           = { "mmdc_ch0_axi", "pll2_pfd2_396m", "pll3_120m", "pll3_pfd1_540m", };
-static const char *ldb_di_sels[]        = { "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "mmdc_ch1_axi", "pll3_pfd1_540m", };
+static const char *ldb_di_sels[]        = { "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "mmdc_ch1_axi", "pll3_usb_otg", };
 static const char *ipu_di_pre_sels[]    = { "mmdc_ch0_axi", "pll3_usb_otg", "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd1_540m", };
 static const char *ipu1_di0_sels[]      = { "ipu1_di0_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
 static const char *ipu1_di1_sels[]      = { "ipu1_di1_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
@@ -443,7 +443,6 @@ int __init mx6q_clocks_init(void)
 
         clk_register_clkdev(clk[gpt_ipg], "ipg", "imx-gpt.0");
         clk_register_clkdev(clk[gpt_ipg_per], "per", "imx-gpt.0");
-        clk_register_clkdev(clk[twd], NULL, "smp_twd");
         clk_register_clkdev(clk[cko1_sel], "cko1_sel", NULL);
         clk_register_clkdev(clk[ahb], "ahb", NULL);
         clk_register_clkdev(clk[cko1], "cko1", NULL);
diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h
index 5a800bfcec5b..5bf4a97ab241 100644
--- a/arch/arm/mach-imx/common.h
+++ b/arch/arm/mach-imx/common.h
@@ -110,6 +110,8 @@ void tzic_handle_irq(struct pt_regs *);
 
 extern void imx_enable_cpu(int cpu, bool enable);
 extern void imx_set_cpu_jump(int cpu, void *jump_addr);
+extern u32 imx_get_cpu_arg(int cpu);
+extern void imx_set_cpu_arg(int cpu, u32 arg);
 extern void v7_cpu_resume(void);
 extern u32 *pl310_get_save_ptr(void);
 #ifdef CONFIG_SMP
diff --git a/arch/arm/mach-imx/hotplug.c b/arch/arm/mach-imx/hotplug.c
index 7bc5fe15dda2..361a253e2b63 100644
--- a/arch/arm/mach-imx/hotplug.c
+++ b/arch/arm/mach-imx/hotplug.c
@@ -46,11 +46,23 @@ static inline void cpu_enter_lowpower(void)
 void imx_cpu_die(unsigned int cpu)
 {
         cpu_enter_lowpower();
+        /*
+         * We use the cpu jumping argument register to sync with
+         * imx_cpu_kill() which is running on cpu0 and waiting for
+         * the register being cleared to kill the cpu.
+         */
+        imx_set_cpu_arg(cpu, ~0);
         cpu_do_idle();
 }
 
 int imx_cpu_kill(unsigned int cpu)
 {
+        unsigned long timeout = jiffies + msecs_to_jiffies(50);
+
+        while (imx_get_cpu_arg(cpu) == 0)
+                if (time_after(jiffies, timeout))
+                        return 0;
         imx_enable_cpu(cpu, false);
+        imx_set_cpu_arg(cpu, 0);
         return 1;
 }
diff --git a/arch/arm/mach-imx/src.c b/arch/arm/mach-imx/src.c
index e15f1555c59b..09a742f8c7ab 100644
--- a/arch/arm/mach-imx/src.c
+++ b/arch/arm/mach-imx/src.c
@@ -43,6 +43,18 @@ void imx_set_cpu_jump(int cpu, void *jump_addr)
                        src_base + SRC_GPR1 + cpu * 8);
 }
 
+u32 imx_get_cpu_arg(int cpu)
+{
+        cpu = cpu_logical_map(cpu);
+        return readl_relaxed(src_base + SRC_GPR1 + cpu * 8 + 4);
+}
+
+void imx_set_cpu_arg(int cpu, u32 arg)
+{
+        cpu = cpu_logical_map(cpu);
+        writel_relaxed(arg, src_base + SRC_GPR1 + cpu * 8 + 4);
+}
+
 void imx_src_prepare_restart(void)
 {
         u32 val;
diff --git a/arch/arm/mach-kirkwood/board-iomega_ix2_200.c b/arch/arm/mach-kirkwood/board-iomega_ix2_200.c
index f655b2637b0e..e5f70415905a 100644
--- a/arch/arm/mach-kirkwood/board-iomega_ix2_200.c
+++ b/arch/arm/mach-kirkwood/board-iomega_ix2_200.c
@@ -20,10 +20,15 @@ static struct mv643xx_eth_platform_data iomega_ix2_200_ge00_data = {
         .duplex         = DUPLEX_FULL,
 };
 
+static struct mv643xx_eth_platform_data iomega_ix2_200_ge01_data = {
+        .phy_addr       = MV643XX_ETH_PHY_ADDR(11),
+};
+
 void __init iomega_ix2_200_init(void)
 {
         /*
          * Basic setup. Needs to be called early.
          */
-        kirkwood_ge01_init(&iomega_ix2_200_ge00_data);
+        kirkwood_ge00_init(&iomega_ix2_200_ge00_data);
+        kirkwood_ge01_init(&iomega_ix2_200_ge01_data);
 }
diff --git a/arch/arm/mach-kirkwood/guruplug-setup.c b/arch/arm/mach-kirkwood/guruplug-setup.c
index 1c6e736cbbf8..08dd739aa709 100644
--- a/arch/arm/mach-kirkwood/guruplug-setup.c
+++ b/arch/arm/mach-kirkwood/guruplug-setup.c
@@ -53,6 +53,8 @@ static struct mv_sata_platform_data guruplug_sata_data = {
 
 static struct mvsdio_platform_data guruplug_mvsdio_data = {
         /* unfortunately the CD signal has not been connected */
+        .gpio_card_detect = -1,
+        .gpio_write_protect = -1,
 };
 
 static struct gpio_led guruplug_led_pins[] = {
diff --git a/arch/arm/mach-kirkwood/openrd-setup.c b/arch/arm/mach-kirkwood/openrd-setup.c
index 8ddd69fdc937..6a6eb548307d 100644
--- a/arch/arm/mach-kirkwood/openrd-setup.c
+++ b/arch/arm/mach-kirkwood/openrd-setup.c
@@ -55,6 +55,7 @@ static struct mv_sata_platform_data openrd_sata_data = {
 
 static struct mvsdio_platform_data openrd_mvsdio_data = {
         .gpio_card_detect = 29, /* MPP29 used as SD card detect */
+        .gpio_write_protect = -1,
 };
 
 static unsigned int openrd_mpp_config[] __initdata = {
diff --git a/arch/arm/mach-kirkwood/rd88f6281-setup.c b/arch/arm/mach-kirkwood/rd88f6281-setup.c
index c7d93b48926b..d24223166e06 100644
--- a/arch/arm/mach-kirkwood/rd88f6281-setup.c
+++ b/arch/arm/mach-kirkwood/rd88f6281-setup.c
@@ -69,6 +69,7 @@ static struct mv_sata_platform_data rd88f6281_sata_data = {
 
 static struct mvsdio_platform_data rd88f6281_mvsdio_data = {
         .gpio_card_detect = 28,
+        .gpio_write_protect = -1,
 };
 
 static unsigned int rd88f6281_mpp_config[] __initdata = {
diff --git a/arch/arm/mach-msm/timer.c b/arch/arm/mach-msm/timer.c
index 2969027f02fa..f9fd77e8f1f5 100644
--- a/arch/arm/mach-msm/timer.c
+++ b/arch/arm/mach-msm/timer.c
@@ -62,7 +62,10 @@ static int msm_timer_set_next_event(unsigned long cycles,
 {
         u32 ctrl = readl_relaxed(event_base + TIMER_ENABLE);
 
-        writel_relaxed(0, event_base + TIMER_CLEAR);
+        ctrl &= ~TIMER_ENABLE_EN;
+        writel_relaxed(ctrl, event_base + TIMER_ENABLE);
+
+        writel_relaxed(ctrl, event_base + TIMER_CLEAR);
         writel_relaxed(cycles, event_base + TIMER_MATCH_VAL);
         writel_relaxed(ctrl | TIMER_ENABLE_EN, event_base + TIMER_ENABLE);
         return 0;
diff --git a/arch/arm/mach-mvebu/irq-armada-370-xp.c b/arch/arm/mach-mvebu/irq-armada-370-xp.c
index 274ff58271de..d5970f5a1e8d 100644
--- a/arch/arm/mach-mvebu/irq-armada-370-xp.c
+++ b/arch/arm/mach-mvebu/irq-armada-370-xp.c
@@ -44,6 +44,8 @@
 
 #define ARMADA_370_XP_MAX_PER_CPU_IRQS          (28)
 
+#define ARMADA_370_XP_TIMER0_PER_CPU_IRQ        (5)
+
 #define ACTIVE_DOORBELLS                        (8)
 
 static DEFINE_RAW_SPINLOCK(irq_controller_lock);
@@ -59,36 +61,26 @@ static struct irq_domain *armada_370_xp_mpic_domain;
  */
 static void armada_370_xp_irq_mask(struct irq_data *d)
 {
-#ifdef CONFIG_SMP
         irq_hw_number_t hwirq = irqd_to_hwirq(d);
 
-        if (hwirq > ARMADA_370_XP_MAX_PER_CPU_IRQS)
+        if (hwirq != ARMADA_370_XP_TIMER0_PER_CPU_IRQ)
                 writel(hwirq, main_int_base +
                                 ARMADA_370_XP_INT_CLEAR_ENABLE_OFFS);
         else
                 writel(hwirq, per_cpu_int_base +
                                 ARMADA_370_XP_INT_SET_MASK_OFFS);
-#else
-        writel(irqd_to_hwirq(d),
-               per_cpu_int_base + ARMADA_370_XP_INT_SET_MASK_OFFS);
-#endif
 }
 
 static void armada_370_xp_irq_unmask(struct irq_data *d)
 {
-#ifdef CONFIG_SMP
         irq_hw_number_t hwirq = irqd_to_hwirq(d);
 
-        if (hwirq > ARMADA_370_XP_MAX_PER_CPU_IRQS)
+        if (hwirq != ARMADA_370_XP_TIMER0_PER_CPU_IRQ)
                 writel(hwirq, main_int_base +
                                 ARMADA_370_XP_INT_SET_ENABLE_OFFS);
         else
                 writel(hwirq, per_cpu_int_base +
                                 ARMADA_370_XP_INT_CLEAR_MASK_OFFS);
-#else
-        writel(irqd_to_hwirq(d),
-               per_cpu_int_base + ARMADA_370_XP_INT_CLEAR_MASK_OFFS);
-#endif
 }
 
 #ifdef CONFIG_SMP
@@ -144,10 +136,14 @@ static int armada_370_xp_mpic_irq_map(struct irq_domain *h,
                                       unsigned int virq, irq_hw_number_t hw)
 {
         armada_370_xp_irq_mask(irq_get_irq_data(virq));
-        writel(hw, main_int_base + ARMADA_370_XP_INT_SET_ENABLE_OFFS);
+        if (hw != ARMADA_370_XP_TIMER0_PER_CPU_IRQ)
+                writel(hw, per_cpu_int_base +
+                        ARMADA_370_XP_INT_CLEAR_MASK_OFFS);
+        else
+                writel(hw, main_int_base + ARMADA_370_XP_INT_SET_ENABLE_OFFS);
         irq_set_status_flags(virq, IRQ_LEVEL);
 
-        if (hw < ARMADA_370_XP_MAX_PER_CPU_IRQS) {
+        if (hw == ARMADA_370_XP_TIMER0_PER_CPU_IRQ) {
                 irq_set_percpu_devid(virq);
                 irq_set_chip_and_handler(virq, &armada_370_xp_irq_chip,
                                         handle_percpu_devid_irq);
diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock_data.c
index cb7c6ae2e3fc..6c4f766365a2 100644
--- a/arch/arm/mach-omap1/clock_data.c
+++ b/arch/arm/mach-omap1/clock_data.c
@@ -543,15 +543,6 @@ static struct clk usb_dc_ck = {
         /* Direct from ULPD, no parent */
         .rate           = 48000000,
         .enable_reg     = OMAP1_IO_ADDRESS(SOFT_REQ_REG),
-        .enable_bit     = USB_REQ_EN_SHIFT,
-};
-
-static struct clk usb_dc_ck7xx = {
-        .name           = "usb_dc_ck",
-        .ops            = &clkops_generic,
-        /* Direct from ULPD, no parent */
-        .rate           = 48000000,
-        .enable_reg     = OMAP1_IO_ADDRESS(SOFT_REQ_REG),
         .enable_bit     = SOFT_USB_OTG_DPLL_REQ_SHIFT,
 };
 
@@ -727,8 +718,7 @@ static struct omap_clk omap_clks[] = {
         CLK(NULL,       "usb_clko",     &usb_clko,      CK_16XX | CK_1510 | CK_310),
         CLK(NULL,       "usb_hhc_ck",   &usb_hhc_ck1510, CK_1510 | CK_310),
         CLK(NULL,       "usb_hhc_ck",   &usb_hhc_ck16xx, CK_16XX),
-        CLK(NULL,       "usb_dc_ck",    &usb_dc_ck,     CK_16XX),
-        CLK(NULL,       "usb_dc_ck",    &usb_dc_ck7xx,  CK_7XX),
+        CLK(NULL,       "usb_dc_ck",    &usb_dc_ck,     CK_16XX | CK_7XX),
         CLK(NULL,       "mclk",         &mclk_1510,     CK_1510 | CK_310),
         CLK(NULL,       "mclk",         &mclk_16xx,     CK_16XX),
         CLK(NULL,       "bclk",         &bclk_1510,     CK_1510 | CK_310),
diff --git a/arch/arm/mach-omap2/cclock44xx_data.c b/arch/arm/mach-omap2/cclock44xx_data.c
index 3d58f335f173..0c6834ae1fc4 100644
--- a/arch/arm/mach-omap2/cclock44xx_data.c
+++ b/arch/arm/mach-omap2/cclock44xx_data.c
@@ -52,6 +52,13 @@
  */
 #define OMAP4_DPLL_ABE_DEFFREQ                          98304000
 
+/*
+ * OMAP4 USB DPLL default frequency. In OMAP4430 TRM version V, section
+ * "3.6.3.9.5 DPLL_USB Preferred Settings" shows that the preferred
+ * locked frequency for the USB DPLL is 960MHz.
+ */
+#define OMAP4_DPLL_USB_DEFFREQ                          960000000
+
 /* Root clocks */
 
 DEFINE_CLK_FIXED_RATE(extalt_clkin_ck, CLK_IS_ROOT, 59000000, 0x0);
@@ -1011,6 +1018,10 @@ DEFINE_CLK_OMAP_MUX(hsmmc2_fclk, "l3_init_clkdm", hsmmc1_fclk_sel,
                     OMAP4430_CM_L3INIT_MMC2_CLKCTRL, OMAP4430_CLKSEL_MASK,
                     hsmmc1_fclk_parents, func_dmic_abe_gfclk_ops);
 
+DEFINE_CLK_GATE(ocp2scp_usb_phy_phy_48m, "func_48m_fclk", &func_48m_fclk, 0x0,
+                OMAP4430_CM_L3INIT_USBPHYOCP2SCP_CLKCTRL,
+                OMAP4430_OPTFCLKEN_PHY_48M_SHIFT, 0x0, NULL);
+
 DEFINE_CLK_GATE(sha2md5_fck, "l3_div_ck", &l3_div_ck, 0x0,
                 OMAP4430_CM_L4SEC_SHA2MD51_CLKCTRL,
                 OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL);
@@ -1538,6 +1549,7 @@ static struct omap_clk omap44xx_clks[] = {
         CLK(NULL,       "per_mcbsp4_gfclk",                     &per_mcbsp4_gfclk,      CK_443X),
         CLK(NULL,       "hsmmc1_fclk",                  &hsmmc1_fclk,   CK_443X),
         CLK(NULL,       "hsmmc2_fclk",                  &hsmmc2_fclk,   CK_443X),
+        CLK(NULL,       "ocp2scp_usb_phy_phy_48m",      &ocp2scp_usb_phy_phy_48m,       CK_443X),
         CLK(NULL,       "sha2md5_fck",                  &sha2md5_fck,   CK_443X),
         CLK(NULL,       "slimbus1_fclk_1",              &slimbus1_fclk_1,       CK_443X),
         CLK(NULL,       "slimbus1_fclk_0",              &slimbus1_fclk_0,       CK_443X),
@@ -1705,5 +1717,13 @@ int __init omap4xxx_clk_init(void)
         if (rc)
                 pr_err("%s: failed to configure ABE DPLL!\n", __func__);
 
+        /*
+         * Lock USB DPLL on OMAP4 devices so that the L3INIT power
+         * domain can transition to retention state when not in use.
+         */
+        rc = clk_set_rate(&dpll_usb_ck, OMAP4_DPLL_USB_DEFFREQ);
+        if (rc)
+                pr_err("%s: failed to configure USB DPLL!\n", __func__);
+
         return 0;
 }
diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h
index 40f4a03d728f..d6ba13e1c540 100644
--- a/arch/arm/mach-omap2/common.h
+++ b/arch/arm/mach-omap2/common.h
@@ -293,5 +293,8 @@ extern void omap_reserve(void);
 struct omap_hwmod;
 extern int omap_dss_reset(struct omap_hwmod *);
 
+/* SoC specific clock initializer */
+extern int (*omap_clk_init)(void);
+
 #endif /* __ASSEMBLER__ */
 #endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 2c3fdd65387b..5c445ca1e271 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -55,6 +55,12 @@
 #include "prm44xx.h"
 
 /*
+ * omap_clk_init: points to a function that does the SoC-specific
+ * clock initializations
+ */
+int (*omap_clk_init)(void);
+
+/*
  * The machine specific code may provide the extra mapping besides the
  * default mapping provided here.
  */
@@ -397,7 +403,7 @@ void __init omap2420_init_early(void)
         omap242x_clockdomains_init();
         omap2420_hwmod_init();
         omap_hwmod_init_postsetup();
-        omap2420_clk_init();
+        omap_clk_init = omap2420_clk_init;
 }
 
 void __init omap2420_init_late(void)
@@ -427,7 +433,7 @@ void __init omap2430_init_early(void)
         omap243x_clockdomains_init();
         omap2430_hwmod_init();
         omap_hwmod_init_postsetup();
-        omap2430_clk_init();
+        omap_clk_init = omap2430_clk_init;
 }
 
 void __init omap2430_init_late(void)
@@ -462,7 +468,7 @@ void __init omap3_init_early(void)
         omap3xxx_clockdomains_init();
         omap3xxx_hwmod_init();
         omap_hwmod_init_postsetup();
-        omap3xxx_clk_init();
+        omap_clk_init = omap3xxx_clk_init;
 }
 
 void __init omap3430_init_early(void)
@@ -500,7 +506,7 @@ void __init ti81xx_init_early(void)
         omap3xxx_clockdomains_init();
         omap3xxx_hwmod_init();
         omap_hwmod_init_postsetup();
-        omap3xxx_clk_init();
+        omap_clk_init = omap3xxx_clk_init;
 }
 
 void __init omap3_init_late(void)
@@ -568,7 +574,7 @@ void __init am33xx_init_early(void)
         am33xx_clockdomains_init();
         am33xx_hwmod_init();
         omap_hwmod_init_postsetup();
-        am33xx_clk_init();
+        omap_clk_init = am33xx_clk_init;
 }
 #endif
 
@@ -593,7 +599,7 @@ void __init omap4430_init_early(void)
         omap44xx_clockdomains_init();
         omap44xx_hwmod_init();
         omap_hwmod_init_postsetup();
-        omap4xxx_clk_init();
+        omap_clk_init = omap4xxx_clk_init;
 }
 
 void __init omap4430_init_late(void)
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index c2c798c08c2b..a202a4785104 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -1368,7 +1368,9 @@ static void _enable_sysc(struct omap_hwmod *oh)
         }
 
         if (sf & SYSC_HAS_MIDLEMODE) {
-                if (oh->flags & HWMOD_SWSUP_MSTANDBY) {
+                if (oh->flags & HWMOD_FORCE_MSTANDBY) {
+                        idlemode = HWMOD_IDLEMODE_FORCE;
+                } else if (oh->flags & HWMOD_SWSUP_MSTANDBY) {
                         idlemode = HWMOD_IDLEMODE_NO;
                 } else {
                         if (sf & SYSC_HAS_ENAWAKEUP)
@@ -1440,7 +1442,8 @@ static void _idle_sysc(struct omap_hwmod *oh)
         }
 
         if (sf & SYSC_HAS_MIDLEMODE) {
-                if (oh->flags & HWMOD_SWSUP_MSTANDBY) {
+                if ((oh->flags & HWMOD_SWSUP_MSTANDBY) ||
+                    (oh->flags & HWMOD_FORCE_MSTANDBY)) {
                         idlemode = HWMOD_IDLEMODE_FORCE;
                 } else {
                         if (sf & SYSC_HAS_ENAWAKEUP)
diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h
index d43d9b608eda..d5dc935f6060 100644
--- a/arch/arm/mach-omap2/omap_hwmod.h
+++ b/arch/arm/mach-omap2/omap_hwmod.h
@@ -427,8 +427,8 @@ struct omap_hwmod_omap4_prcm {
  *
  * HWMOD_SWSUP_SIDLE: omap_hwmod code should manually bring module in and out
  *     of idle, rather than relying on module smart-idle
- * HWMOD_SWSUP_MSTDBY: omap_hwmod code should manually bring module in and out
- *     of standby, rather than relying on module smart-standby
+ * HWMOD_SWSUP_MSTANDBY: omap_hwmod code should manually bring module in and
+ *     out of standby, rather than relying on module smart-standby
  * HWMOD_INIT_NO_RESET: don't reset this module at boot - important for
  *     SDRAM controller, etc. XXX probably belongs outside the main hwmod file
  *     XXX Should be HWMOD_SETUP_NO_RESET
@@ -459,6 +459,10 @@ struct omap_hwmod_omap4_prcm {
  *     correctly, or this is being abused to deal with some PM latency
  *     issues -- but we're currently suffering from a shortage of
  *     folks who are able to track these issues down properly.
+ * HWMOD_FORCE_MSTANDBY: Always keep MIDLEMODE bits cleared so that device
+ *     is kept in force-standby mode. Failing to do so causes PM problems
+ *     with musb on OMAP3630 at least. Note that musb has a dedicated register
+ *     to control MSTANDBY signal when MIDLEMODE is set to force-standby.
  */
 #define HWMOD_SWSUP_SIDLE                       (1 << 0)
 #define HWMOD_SWSUP_MSTANDBY                    (1 << 1)
@@ -471,6 +475,7 @@ struct omap_hwmod_omap4_prcm {
 #define HWMOD_16BIT_REG                         (1 << 8)
 #define HWMOD_EXT_OPT_MAIN_CLK                  (1 << 9)
 #define HWMOD_BLOCK_WFI                         (1 << 10)
+#define HWMOD_FORCE_MSTANDBY                    (1 << 11)
 
 /*
  * omap_hwmod._int_flags definitions
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index ac7e03ec952f..5112d04e7b79 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -1707,9 +1707,14 @@ static struct omap_hwmod omap3xxx_usbhsotg_hwmod = {
          * Erratum ID: i479  idle_req / idle_ack mechanism potentially
          * broken when autoidle is enabled
          * workaround is to disable the autoidle bit at module level.
+         *
+         * Enabling the device in any other MIDLEMODE setting but force-idle
+         * causes core_pwrdm not enter idle states at least on OMAP3630.
+         * Note that musb has OTG_FORCESTDBY register that controls MSTANDBY
+         * signal when MIDLEMODE is set to force-idle.
          */
         .flags          = HWMOD_NO_OCP_AUTOIDLE | HWMOD_SWSUP_SIDLE
-                                | HWMOD_SWSUP_MSTANDBY,
+                                | HWMOD_FORCE_MSTANDBY,
 };
 
 /* usb_otg_hs */
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index 0e47d2e1687c..eaba9dc91a0d 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -2719,7 +2719,17 @@ static struct omap_hwmod omap44xx_ocp2scp_usb_phy_hwmod = {
         .name           = "ocp2scp_usb_phy",
         .class          = &omap44xx_ocp2scp_hwmod_class,
         .clkdm_name     = "l3_init_clkdm",
-        .main_clk       = "func_48m_fclk",
+        /*
+         * ocp2scp_usb_phy_phy_48m is provided by the OMAP4 PRCM IP
+         * block as an "optional clock," and normally should never be
+         * specified as the main_clk for an OMAP IP block.  However it
+         * turns out that this clock is actually the main clock for
+         * the ocp2scp_usb_phy IP block:
+         * http://lists.infradead.org/pipermail/linux-arm-kernel/2012-September/119943.html
+         * So listing ocp2scp_usb_phy_phy_48m as a main_clk here seems
+         * to be the best workaround.
+         */
+        .main_clk       = "ocp2scp_usb_phy_phy_48m",
         .prcm = {
                 .omap4 = {
                         .clkctrl_offs = OMAP4_CM_L3INIT_USBPHYOCP2SCP_CLKCTRL_OFFSET,
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index 2bdd4cf17a8f..f62b509ed08d 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -547,6 +547,8 @@ static inline void __init realtime_counter_init(void)
                                clksrc_nr, clksrc_src)                   \
 void __init omap##name##_gptimer_timer_init(void)                       \
 {                                                                       \
+        if (omap_clk_init)                                              \
+                omap_clk_init();                                        \
         omap_dmtimer_init();                                            \
         omap2_gp_clockevent_init((clkev_nr), clkev_src, clkev_prop);    \
         omap2_gptimer_clocksource_init((clksrc_nr), clksrc_src);        \
@@ -556,6 +558,8 @@ void __init omap##name##_gptimer_timer_init(void)			\
                                 clksrc_nr, clksrc_src)                  \
 void __init omap##name##_sync32k_timer_init(void)               \
 {                                                                       \
+        if (omap_clk_init)                                              \
+                omap_clk_init();                                        \
         omap_dmtimer_init();                                            \
         omap2_gp_clockevent_init((clkev_nr), clkev_src, clkev_prop);    \
         /* Enable the use of clocksource="gp_timer" kernel parameter */ \
diff --git a/arch/arm/mach-s3c24xx/include/mach/irqs.h b/arch/arm/mach-s3c24xx/include/mach/irqs.h
index b7a9f4d469e8..1e73f5fa8659 100644
--- a/arch/arm/mach-s3c24xx/include/mach/irqs.h
+++ b/arch/arm/mach-s3c24xx/include/mach/irqs.h
@@ -188,10 +188,8 @@
 
 #if defined(CONFIG_CPU_S3C2416)
 #define NR_IRQS (IRQ_S3C2416_I2S1 + 1)
-#elif defined(CONFIG_CPU_S3C2443)
-#define NR_IRQS (IRQ_S3C2443_AC97+1)
 #else
-#define NR_IRQS (IRQ_S3C2440_AC97+1)
+#define NR_IRQS (IRQ_S3C2443_AC97 + 1)
 #endif
 
 /* compatibility define. */
diff --git a/arch/arm/mach-s3c24xx/irq.c b/arch/arm/mach-s3c24xx/irq.c
index cb9f5e011e73..d8ba9bee4c7e 100644
--- a/arch/arm/mach-s3c24xx/irq.c
+++ b/arch/arm/mach-s3c24xx/irq.c
@@ -500,7 +500,7 @@ struct s3c_irq_intc *s3c24xx_init_intc(struct device_node *np,
                 base = (void *)0xfd000000;
 
                 intc->reg_mask = base + 0xa4;
-                intc->reg_pending = base + 0x08;
+                intc->reg_pending = base + 0xa8;
                 irq_num = 20;
                 irq_start = S3C2410_IRQ(32);
                 irq_offset = 4;
diff --git a/arch/arm/mach-ux500/board-mop500-sdi.c b/arch/arm/mach-ux500/board-mop500-sdi.c
index 051b62c27102..7f2cb6c5e2c1 100644
--- a/arch/arm/mach-ux500/board-mop500-sdi.c
+++ b/arch/arm/mach-ux500/board-mop500-sdi.c
@@ -81,7 +81,6 @@ static struct stedma40_chan_cfg mop500_sdi0_dma_cfg_tx = {
 #endif
 
 struct mmci_platform_data mop500_sdi0_data = {
-        .ios_handler    = mop500_sdi0_ios_handler,
         .ocr_mask       = MMC_VDD_29_30,
         .f_max          = 50000000,
         .capabilities   = MMC_CAP_4_BIT_DATA |
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index b03457881c4b..87d2d7b38ce9 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -12,6 +12,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
+#include <linux/clk.h>
 #include <linux/io.h>
 #include <linux/i2c.h>
 #include <linux/platform_data/i2c-nomadik.h>
@@ -439,6 +440,15 @@ static void mop500_prox_deactivate(struct device *dev)
         regulator_put(prox_regulator);
 }
 
+void mop500_snowball_ethernet_clock_enable(void)
+{
+        struct clk *clk;
+
+        clk = clk_get_sys("fsmc", NULL);
+        if (!IS_ERR(clk))
+                clk_prepare_enable(clk);
+}
+
 static struct cryp_platform_data u8500_cryp1_platform_data = {
                 .mem_to_engine = {
                                 .dir = STEDMA40_MEM_TO_PERIPH,
@@ -683,6 +693,8 @@ static void __init snowball_init_machine(void)
         mop500_audio_init(parent);
         mop500_uart_init(parent);
 
+        mop500_snowball_ethernet_clock_enable();
+
         /* This board has full regulator constraints */
         regulator_has_full_constraints();
 }
diff --git a/arch/arm/mach-ux500/board-mop500.h b/arch/arm/mach-ux500/board-mop500.h
index eaa605f5d90d..d38951be70df 100644
--- a/arch/arm/mach-ux500/board-mop500.h
+++ b/arch/arm/mach-ux500/board-mop500.h
@@ -104,6 +104,7 @@ void __init mop500_pinmaps_init(void);
 void __init snowball_pinmaps_init(void);
 void __init hrefv60_pinmaps_init(void);
 void mop500_audio_init(struct device *parent);
+void mop500_snowball_ethernet_clock_enable(void);
 
 int __init mop500_uib_init(void);
 void mop500_uib_i2c_add(int busnum, struct i2c_board_info *info,
diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c
index 19235cf7bbe3..f1a581844372 100644
--- a/arch/arm/mach-ux500/cpu-db8500.c
+++ b/arch/arm/mach-ux500/cpu-db8500.c
@@ -312,9 +312,10 @@ static void __init u8500_init_machine(void)
         /* Pinmaps must be in place before devices register */
         if (of_machine_is_compatible("st-ericsson,mop500"))
                 mop500_pinmaps_init();
-        else if (of_machine_is_compatible("calaosystems,snowball-a9500"))
+        else if (of_machine_is_compatible("calaosystems,snowball-a9500")) {
                 snowball_pinmaps_init();
-        else if (of_machine_is_compatible("st-ericsson,hrefv60+"))
+                mop500_snowball_ethernet_clock_enable();
+        } else if (of_machine_is_compatible("st-ericsson,hrefv60+"))
                 hrefv60_pinmaps_init();
         else if (of_machine_is_compatible("st-ericsson,ccu9540")) {}
                 /* TODO: Add pinmaps for ccu9540 board. */
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 025d17328730..4045c4931a30 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -43,7 +43,7 @@ config CPU_ARM740T
         depends on !MMU
         select CPU_32v4T
         select CPU_ABRT_LV4T
-        select CPU_CACHE_V3     # although the core is v4t
+        select CPU_CACHE_V4
         select CPU_CP15_MPU
         select CPU_PABRT_LEGACY
         help
@@ -469,9 +469,6 @@ config CPU_PABRT_V7
         bool
 
 # The cache model
-config CPU_CACHE_V3
-        bool
-
 config CPU_CACHE_V4
         bool
 
diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile
index 4e333fa2756f..9e51be96f635 100644
--- a/arch/arm/mm/Makefile
+++ b/arch/arm/mm/Makefile
@@ -33,7 +33,6 @@ obj-$(CONFIG_CPU_PABRT_LEGACY)	+= pabort-legacy.o
 obj-$(CONFIG_CPU_PABRT_V6)      += pabort-v6.o
 obj-$(CONFIG_CPU_PABRT_V7)      += pabort-v7.o
 
-obj-$(CONFIG_CPU_CACHE_V3)      += cache-v3.o
 obj-$(CONFIG_CPU_CACHE_V4)      += cache-v4.o
 obj-$(CONFIG_CPU_CACHE_V4WT)    += cache-v4wt.o
 obj-$(CONFIG_CPU_CACHE_V4WB)    += cache-v4wb.o
diff --git a/arch/arm/mm/cache-feroceon-l2.c b/arch/arm/mm/cache-feroceon-l2.c
index dd3d59122cc3..48bc3c0a87ce 100644
--- a/arch/arm/mm/cache-feroceon-l2.c
+++ b/arch/arm/mm/cache-feroceon-l2.c
@@ -343,6 +343,7 @@ void __init feroceon_l2_init(int __l2_wt_override)
         outer_cache.inv_range = feroceon_l2_inv_range;
         outer_cache.clean_range = feroceon_l2_clean_range;
         outer_cache.flush_range = feroceon_l2_flush_range;
+        outer_cache.inv_all = l2_inv_all;
 
         enable_l2();
 
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index c2f37390308a..c465faca51b0 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -299,7 +299,7 @@ static void l2x0_unlock(u32 cache_id)
         int lockregs;
         int i;
 
-        switch (cache_id) {
+        switch (cache_id & L2X0_CACHE_ID_PART_MASK) {
         case L2X0_CACHE_ID_PART_L310:
                 lockregs = 8;
                 break;
@@ -333,15 +333,14 @@ void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask)
         if (cache_id_part_number_from_dt)
                 cache_id = cache_id_part_number_from_dt;
         else
-                cache_id = readl_relaxed(l2x0_base + L2X0_CACHE_ID)
-                        & L2X0_CACHE_ID_PART_MASK;
+                cache_id = readl_relaxed(l2x0_base + L2X0_CACHE_ID);
         aux = readl_relaxed(l2x0_base + L2X0_AUX_CTRL);
 
         aux &= aux_mask;
         aux |= aux_val;
 
         /* Determine the number of ways */
-        switch (cache_id) {
+        switch (cache_id & L2X0_CACHE_ID_PART_MASK) {
         case L2X0_CACHE_ID_PART_L310:
                 if (aux & (1 << 16))
                         ways = 16;
@@ -725,7 +724,6 @@ static const struct l2x0_of_data pl310_data = {
                 .flush_all   = l2x0_flush_all,
                 .inv_all     = l2x0_inv_all,
                 .disable     = l2x0_disable,
-                .set_debug   = pl310_set_debug,
         },
 };
 
@@ -814,9 +812,8 @@ int __init l2x0_of_init(u32 aux_val, u32 aux_mask)
                 data->save();
 
         of_init = true;
-        l2x0_init(l2x0_base, aux_val, aux_mask);
-
         memcpy(&outer_cache, &data->outer_cache, sizeof(outer_cache));
+        l2x0_init(l2x0_base, aux_val, aux_mask);
 
         return 0;
 }
diff --git a/arch/arm/mm/cache-v3.S b/arch/arm/mm/cache-v3.S
deleted file mode 100644
index 8a3fadece8d3..000000000000
--- a/arch/arm/mm/cache-v3.S
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
- *  linux/arch/arm/mm/cache-v3.S
- *
- *  Copyright (C) 1997-2002 Russell king
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/linkage.h>
-#include <linux/init.h>
-#include <asm/page.h>
-#include "proc-macros.S"
-
-/*
- *      flush_icache_all()
- *
- *      Unconditionally clean and invalidate the entire icache.
- */
-ENTRY(v3_flush_icache_all)
-        mov     pc, lr
-ENDPROC(v3_flush_icache_all)
-
-/*
- *      flush_user_cache_all()
- *
- *      Invalidate all cache entries in a particular address
- *      space.
- *
- *      - mm    - mm_struct describing address space
- */
-ENTRY(v3_flush_user_cache_all)
-        /* FALLTHROUGH */
-/*
- *      flush_kern_cache_all()
- *
- *      Clean and invalidate the entire cache.
- */
-ENTRY(v3_flush_kern_cache_all)
-        /* FALLTHROUGH */
-
-/*
- *      flush_user_cache_range(start, end, flags)
- *
- *      Invalidate a range of cache entries in the specified
- *      address space.
- *
- *      - start - start address (may not be aligned)
- *      - end   - end address (exclusive, may not be aligned)
- *      - flags - vma_area_struct flags describing address space
- */
-ENTRY(v3_flush_user_cache_range)
-        mov     ip, #0
-        mcreq   p15, 0, ip, c7, c0, 0           @ flush ID cache
-        mov     pc, lr
-
-/*
- *      coherent_kern_range(start, end)
- *
- *      Ensure coherency between the Icache and the Dcache in the
- *      region described by start.  If you have non-snooping
- *      Harvard caches, you need to implement this function.
- *
- *      - start  - virtual start address
- *      - end    - virtual end address
- */
-ENTRY(v3_coherent_kern_range)
-        /* FALLTHROUGH */
-
-/*
- *      coherent_user_range(start, end)
- *
- *      Ensure coherency between the Icache and the Dcache in the
- *      region described by start.  If you have non-snooping
- *      Harvard caches, you need to implement this function.
- *
- *      - start  - virtual start address
- *      - end    - virtual end address
- */
-ENTRY(v3_coherent_user_range)
-        mov     r0, #0
-        mov     pc, lr
-
-/*
- *      flush_kern_dcache_area(void *page, size_t size)
- *
- *      Ensure no D cache aliasing occurs, either with itself or
- *      the I cache
- *
- *      - addr  - kernel address
- *      - size  - region size
- */
-ENTRY(v3_flush_kern_dcache_area)
-        /* FALLTHROUGH */
-
-/*
- *      dma_flush_range(start, end)
- *
- *      Clean and invalidate the specified virtual address range.
- *
- *      - start  - virtual start address
- *      - end    - virtual end address
- */
-ENTRY(v3_dma_flush_range)
-        mov     r0, #0
-        mcr     p15, 0, r0, c7, c0, 0           @ flush ID cache
-        mov     pc, lr
-
-/*
- *      dma_unmap_area(start, size, dir)
- *      - start - kernel virtual start address
- *      - size  - size of region
- *      - dir   - DMA direction
- */
-ENTRY(v3_dma_unmap_area)
-        teq     r2, #DMA_TO_DEVICE
-        bne     v3_dma_flush_range
-        /* FALLTHROUGH */
-
-/*
- *      dma_map_area(start, size, dir)
- *      - start - kernel virtual start address
- *      - size  - size of region
- *      - dir   - DMA direction
- */
-ENTRY(v3_dma_map_area)
-        mov     pc, lr
-ENDPROC(v3_dma_unmap_area)
-ENDPROC(v3_dma_map_area)
-
-        .globl  v3_flush_kern_cache_louis
-        .equ    v3_flush_kern_cache_louis, v3_flush_kern_cache_all
-
-        __INITDATA
-
-        @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S)
-        define_cache_functions v3
diff --git a/arch/arm/mm/cache-v4.S b/arch/arm/mm/cache-v4.S
index 43e5d77be677..a7ba68f59f0c 100644
--- a/arch/arm/mm/cache-v4.S
+++ b/arch/arm/mm/cache-v4.S
@@ -58,7 +58,7 @@ ENTRY(v4_flush_kern_cache_all)
 ENTRY(v4_flush_user_cache_range)
 #ifdef CONFIG_CPU_CP15
         mov     ip, #0
-        mcreq   p15, 0, ip, c7, c7, 0           @ flush ID cache
+        mcr     p15, 0, ip, c7, c7, 0           @ flush ID cache
         mov     pc, lr
 #else
         /* FALLTHROUGH */
diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c
index a5a4b2bc42ba..2ac37372ef52 100644
--- a/arch/arm/mm/context.c
+++ b/arch/arm/mm/context.c
@@ -48,7 +48,7 @@ static DEFINE_RAW_SPINLOCK(cpu_asid_lock);
 static atomic64_t asid_generation = ATOMIC64_INIT(ASID_FIRST_VERSION);
 static DECLARE_BITMAP(asid_map, NUM_USER_ASIDS);
 
-static DEFINE_PER_CPU(atomic64_t, active_asids);
+DEFINE_PER_CPU(atomic64_t, active_asids);
 static DEFINE_PER_CPU(u64, reserved_asids);
 static cpumask_t tlb_flush_pending;
 
@@ -215,6 +215,7 @@ void check_and_switch_context(struct mm_struct *mm, struct task_struct *tsk)
         if (cpumask_test_and_clear_cpu(cpu, &tlb_flush_pending)) {
                 local_flush_bp_all();
                 local_flush_tlb_all();
+                dummy_flush_tlb_a15_erratum();
         }
 
         atomic64_set(&per_cpu(active_asids, cpu), asid);
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index e95a996ab78f..a84ff763ac39 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -34,6 +34,7 @@
 #include <asm/mach/pci.h>
 
 #include "mm.h"
+#include "tcm.h"
 
 /*
  * empty_zero_page is a special page that is used for
@@ -598,39 +599,60 @@ static void __init alloc_init_pte(pmd_t *pmd, unsigned long addr,
         } while (pte++, addr += PAGE_SIZE, addr != end);
 }
 
-static void __init alloc_init_section(pud_t *pud, unsigned long addr,
-                                      unsigned long end, phys_addr_t phys,
-                                      const struct mem_type *type)
+static void __init map_init_section(pmd_t *pmd, unsigned long addr,
+                        unsigned long end, phys_addr_t phys,
+                        const struct mem_type *type)
 {
-        pmd_t *pmd = pmd_offset(pud, addr);
-
+#ifndef CONFIG_ARM_LPAE
         /*
-         * Try a section mapping - end, addr and phys must all be aligned
-         * to a section boundary.  Note that PMDs refer to the individual
-         * L1 entries, whereas PGDs refer to a group of L1 entries making
-         * up one logical pointer to an L2 table.
+         * In classic MMU format, puds and pmds are folded in to
+         * the pgds. pmd_offset gives the PGD entry. PGDs refer to a
+         * group of L1 entries making up one logical pointer to
+         * an L2 table (2MB), where as PMDs refer to the individual
+         * L1 entries (1MB). Hence increment to get the correct
+         * offset for odd 1MB sections.
+         * (See arch/arm/include/asm/pgtable-2level.h)
          */
-        if (type->prot_sect && ((addr | end | phys) & ~SECTION_MASK) == 0) {
-                pmd_t *p = pmd;
-
-#ifndef CONFIG_ARM_LPAE
-                if (addr & SECTION_SIZE)
-                        pmd++;
+        if (addr & SECTION_SIZE)
+                pmd++;
 #endif
+        do {
+                *pmd = __pmd(phys | type->prot_sect);
+                phys += SECTION_SIZE;
+        } while (pmd++, addr += SECTION_SIZE, addr != end);
 
-                do {
-                        *pmd = __pmd(phys | type->prot_sect);
-                        phys += SECTION_SIZE;
-                } while (pmd++, addr += SECTION_SIZE, addr != end);
+        flush_pmd_entry(pmd);
+}
 
-                flush_pmd_entry(p);
-        } else {
+static void __init alloc_init_pmd(pud_t *pud, unsigned long addr,
+                                      unsigned long end, phys_addr_t phys,
+                                      const struct mem_type *type)
+{
+        pmd_t *pmd = pmd_offset(pud, addr);
+        unsigned long next;
+
+        do {
                 /*
-                 * No need to loop; pte's aren't interested in the
-                 * individual L1 entries.
+                 * With LPAE, we must loop over to map
+                 * all the pmds for the given range.
                  */
-                alloc_init_pte(pmd, addr, end, __phys_to_pfn(phys), type);
-        }
+                next = pmd_addr_end(addr, end);
+
+                /*
+                 * Try a section mapping - addr, next and phys must all be
+                 * aligned to a section boundary.
+                 */
+                if (type->prot_sect &&
+                                ((addr | next | phys) & ~SECTION_MASK) == 0) {
+                        map_init_section(pmd, addr, next, phys, type);
+                } else {
+                        alloc_init_pte(pmd, addr, next,
+                                                __phys_to_pfn(phys), type);
+                }
+
+                phys += next - addr;
+
+        } while (pmd++, addr = next, addr != end);
 }
 
 static void __init alloc_init_pud(pgd_t *pgd, unsigned long addr,
@@ -641,7 +663,7 @@ static void __init alloc_init_pud(pgd_t *pgd, unsigned long addr,
 
         do {
                 next = pud_addr_end(addr, end);
-                alloc_init_section(pud, addr, next, phys, type);
+                alloc_init_pmd(pud, addr, next, phys, type);
                 phys += next - addr;
         } while (pud++, addr = next, addr != end);
 }
@@ -1256,6 +1278,7 @@ void __init paging_init(struct machine_desc *mdesc)
         dma_contiguous_remap();
         devicemaps_init(mdesc);
         kmap_init();
+        tcm_init();
 
         top_pmd = pmd_off_k(0xffff0000);
 
diff --git a/arch/arm/mm/proc-arm740.S b/arch/arm/mm/proc-arm740.S
index dc5de5d53f20..fde2d2a794cf 100644
--- a/arch/arm/mm/proc-arm740.S
+++ b/arch/arm/mm/proc-arm740.S
@@ -77,24 +77,27 @@ __arm740_setup:
         mcr     p15, 0, r0, c6, c0              @ set area 0, default
 
         ldr     r0, =(CONFIG_DRAM_BASE & 0xFFFFF000) @ base[31:12] of RAM
-        ldr     r1, =(CONFIG_DRAM_SIZE >> 12)   @ size of RAM (must be >= 4KB)
-        mov     r2, #10                         @ 11 is the minimum (4KB)
-1:      add     r2, r2, #1                      @ area size *= 2
-        mov     r1, r1, lsr #1
+        ldr     r3, =(CONFIG_DRAM_SIZE >> 12)   @ size of RAM (must be >= 4KB)
+        mov     r4, #10                         @ 11 is the minimum (4KB)
+1:      add     r4, r4, #1                      @ area size *= 2
+        movs    r3, r3, lsr #1
         bne     1b                              @ count not zero r-shift
-        orr     r0, r0, r2, lsl #1              @ the area register value
+        orr     r0, r0, r4, lsl #1              @ the area register value
         orr     r0, r0, #1                      @ set enable bit
         mcr     p15, 0, r0, c6, c1              @ set area 1, RAM
 
         ldr     r0, =(CONFIG_FLASH_MEM_BASE & 0xFFFFF000) @ base[31:12] of FLASH
-        ldr     r1, =(CONFIG_FLASH_SIZE >> 12)  @ size of FLASH (must be >= 4KB)
-        mov     r2, #10                         @ 11 is the minimum (4KB)
-1:      add     r2, r2, #1                      @ area size *= 2
-        mov     r1, r1, lsr #1
+        ldr     r3, =(CONFIG_FLASH_SIZE >> 12)  @ size of FLASH (must be >= 4KB)
+        cmp     r3, #0
+        moveq   r0, #0
+        beq     2f
+        mov     r4, #10                         @ 11 is the minimum (4KB)
+1:      add     r4, r4, #1                      @ area size *= 2
+        movs    r3, r3, lsr #1
         bne     1b                              @ count not zero r-shift
-        orr     r0, r0, r2, lsl #1              @ the area register value
+        orr     r0, r0, r4, lsl #1              @ the area register value
         orr     r0, r0, #1                      @ set enable bit
-        mcr     p15, 0, r0, c6, c2              @ set area 2, ROM/FLASH
+2:      mcr     p15, 0, r0, c6, c2              @ set area 2, ROM/FLASH
 
         mov     r0, #0x06
         mcr     p15, 0, r0, c2, c0              @ Region 1&2 cacheable
@@ -137,13 +140,14 @@ __arm740_proc_info:
         .long   0x41807400
         .long   0xfffffff0
         .long   0
+        .long   0
         b       __arm740_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
-        .long   HWCAP_SWP | HWCAP_HALF | HWCAP_26BIT
+        .long   HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB | HWCAP_26BIT
         .long   cpu_arm740_name
         .long   arm740_processor_functions
         .long   0
         .long   0
-        .long   v3_cache_fns                    @ cache model
+        .long   v4_cache_fns                    @ cache model
         .size   __arm740_proc_info, . - __arm740_proc_info
diff --git a/arch/arm/mm/proc-arm920.S b/arch/arm/mm/proc-arm920.S
index 2c3b9421ab5e..2556cf1c2da1 100644
--- a/arch/arm/mm/proc-arm920.S
+++ b/arch/arm/mm/proc-arm920.S
@@ -387,7 +387,7 @@ ENTRY(cpu_arm920_set_pte_ext)
 /* Suspend/resume support: taken from arch/arm/plat-s3c24xx/sleep.S */
 .globl  cpu_arm920_suspend_size
 .equ    cpu_arm920_suspend_size, 4 * 3
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_ARM_CPU_SUSPEND
 ENTRY(cpu_arm920_do_suspend)
         stmfd   sp!, {r4 - r6, lr}
         mrc     p15, 0, r4, c13, c0, 0  @ PID
diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S
index f1803f7e2972..344c8a548cc0 100644
--- a/arch/arm/mm/proc-arm926.S
+++ b/arch/arm/mm/proc-arm926.S
@@ -402,7 +402,7 @@ ENTRY(cpu_arm926_set_pte_ext)
 /* Suspend/resume support: taken from arch/arm/plat-s3c24xx/sleep.S */
 .globl  cpu_arm926_suspend_size
 .equ    cpu_arm926_suspend_size, 4 * 3
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_ARM_CPU_SUSPEND
 ENTRY(cpu_arm926_do_suspend)
         stmfd   sp!, {r4 - r6, lr}
         mrc     p15, 0, r4, c13, c0, 0  @ PID
diff --git a/arch/arm/mm/proc-mohawk.S b/arch/arm/mm/proc-mohawk.S
index 82f9cdc751d6..0b60dd3d742a 100644
--- a/arch/arm/mm/proc-mohawk.S
+++ b/arch/arm/mm/proc-mohawk.S
@@ -350,7 +350,7 @@ ENTRY(cpu_mohawk_set_pte_ext)
 
 .globl  cpu_mohawk_suspend_size
 .equ    cpu_mohawk_suspend_size, 4 * 6
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_ARM_CPU_SUSPEND
 ENTRY(cpu_mohawk_do_suspend)
         stmfd   sp!, {r4 - r9, lr}
         mrc     p14, 0, r4, c6, c0, 0   @ clock configuration, for turbo mode
diff --git a/arch/arm/mm/proc-sa1100.S b/arch/arm/mm/proc-sa1100.S
index 3aa0da11fd84..d92dfd081429 100644
--- a/arch/arm/mm/proc-sa1100.S
+++ b/arch/arm/mm/proc-sa1100.S
@@ -172,7 +172,7 @@ ENTRY(cpu_sa1100_set_pte_ext)
 
 .globl  cpu_sa1100_suspend_size
 .equ    cpu_sa1100_suspend_size, 4 * 3
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_ARM_CPU_SUSPEND
 ENTRY(cpu_sa1100_do_suspend)
         stmfd   sp!, {r4 - r6, lr}
         mrc     p15, 0, r4, c3, c0, 0           @ domain ID
diff --git a/arch/arm/mm/proc-syms.c b/arch/arm/mm/proc-syms.c
index 3e6210b4d6d4..054b491ff764 100644
--- a/arch/arm/mm/proc-syms.c
+++ b/arch/arm/mm/proc-syms.c
@@ -17,7 +17,9 @@
 
 #ifndef MULTI_CPU
 EXPORT_SYMBOL(cpu_dcache_clean_area);
+#ifdef CONFIG_MMU
 EXPORT_SYMBOL(cpu_set_pte_ext);
+#endif
 #else
 EXPORT_SYMBOL(processor);
 #endif
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index bcaaa8de9325..5c07ee4fe3eb 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -138,7 +138,7 @@ ENTRY(cpu_v6_set_pte_ext)
 /* Suspend/resume support: taken from arch/arm/mach-s3c64xx/sleep.S */
 .globl  cpu_v6_suspend_size
 .equ    cpu_v6_suspend_size, 4 * 6
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_ARM_CPU_SUSPEND
 ENTRY(cpu_v6_do_suspend)
         stmfd   sp!, {r4 - r9, lr}
         mrc     p15, 0, r4, c13, c0, 0  @ FCSE/PID
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 3a3c015f8d5c..f584d3f5b37c 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -420,7 +420,7 @@ __v7_pj4b_proc_info:
 __v7_ca7mp_proc_info:
         .long   0x410fc070
         .long   0xff0ffff0
-        __v7_proc __v7_ca7mp_setup, hwcaps = HWCAP_IDIV
+        __v7_proc __v7_ca7mp_setup
         .size   __v7_ca7mp_proc_info, . - __v7_ca7mp_proc_info
 
         /*
@@ -430,10 +430,25 @@ __v7_ca7mp_proc_info:
 __v7_ca15mp_proc_info:
         .long   0x410fc0f0
         .long   0xff0ffff0
-        __v7_proc __v7_ca15mp_setup, hwcaps = HWCAP_IDIV
+        __v7_proc __v7_ca15mp_setup
         .size   __v7_ca15mp_proc_info, . - __v7_ca15mp_proc_info
 
         /*
+         * Qualcomm Inc. Krait processors.
+         */
+        .type   __krait_proc_info, #object
+__krait_proc_info:
+        .long   0x510f0400              @ Required ID value
+        .long   0xff0ffc00              @ Mask for ID
+        /*
+         * Some Krait processors don't indicate support for SDIV and UDIV
+         * instructions in the ARM instruction set, even though they actually
+         * do support them.
+         */
+        __v7_proc __v7_setup, hwcaps = HWCAP_IDIV
+        .size   __krait_proc_info, . - __krait_proc_info
+
+        /*
          * Match any ARMv7 processor core.
          */
         .type   __v7_proc_info, #object
diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S
index eb93d6487f35..e8efd83b6f25 100644
--- a/arch/arm/mm/proc-xsc3.S
+++ b/arch/arm/mm/proc-xsc3.S
@@ -413,7 +413,7 @@ ENTRY(cpu_xsc3_set_pte_ext)
 
 .globl  cpu_xsc3_suspend_size
 .equ    cpu_xsc3_suspend_size, 4 * 6
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_ARM_CPU_SUSPEND
 ENTRY(cpu_xsc3_do_suspend)
         stmfd   sp!, {r4 - r9, lr}
         mrc     p14, 0, r4, c6, c0, 0   @ clock configuration, for turbo mode
diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S
index 25510361aa18..e766f889bfd6 100644
--- a/arch/arm/mm/proc-xscale.S
+++ b/arch/arm/mm/proc-xscale.S
@@ -528,7 +528,7 @@ ENTRY(cpu_xscale_set_pte_ext)
 
 .globl  cpu_xscale_suspend_size
 .equ    cpu_xscale_suspend_size, 4 * 6
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_ARM_CPU_SUSPEND
 ENTRY(cpu_xscale_do_suspend)
         stmfd   sp!, {r4 - r9, lr}
         mrc     p14, 0, r4, c6, c0, 0   @ clock configuration, for turbo mode
diff --git a/arch/arm/kernel/tcm.h b/arch/arm/mm/tcm.h
index 8015ad434a40..8015ad434a40 100644
--- a/arch/arm/kernel/tcm.h
+++ b/arch/arm/mm/tcm.h
diff --git a/arch/avr32/include/asm/io.h b/arch/avr32/include/asm/io.h
index cf60d0a9f176..fc6483f83ccc 100644
--- a/arch/avr32/include/asm/io.h
+++ b/arch/avr32/include/asm/io.h
@@ -165,6 +165,10 @@ BUILDIO_IOPORT(l, u32)
 #define readw_be                        __raw_readw
 #define readl_be                        __raw_readl
 
+#define writeb_relaxed                  writeb
+#define writew_relaxed                  writew
+#define writel_relaxed                  writel
+
 #define writeb_be                       __raw_writeb
 #define writew_be                       __raw_writew
 #define writel_be                       __raw_writel
diff --git a/arch/c6x/include/asm/irqflags.h b/arch/c6x/include/asm/irqflags.h
index cf78e09e18c3..2c71d5634ec2 100644
--- a/arch/c6x/include/asm/irqflags.h
+++ b/arch/c6x/include/asm/irqflags.h
@@ -27,7 +27,7 @@ static inline unsigned long arch_local_save_flags(void)
 /* set interrupt enabled status */
 static inline void arch_local_irq_restore(unsigned long flags)
 {
-        asm volatile (" mvc .s2 %0,CSR\n" : : "b"(flags));
+        asm volatile (" mvc .s2 %0,CSR\n" : : "b"(flags) : "memory");
 }
 
 /* unconditionally enable interrupts */
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 9a02f71c6b1f..da18c8e05217 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -110,6 +110,7 @@ config DMI
 
 config EFI
         bool
+        select UCS2_STRING
         default y
 
 config SCHED_OMIT_FRAME_POINTER
diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
index 77597e5ea60a..79521d5499f9 100644
--- a/arch/ia64/kernel/palinfo.c
+++ b/arch/ia64/kernel/palinfo.c
@@ -849,17 +849,6 @@ static palinfo_entry_t palinfo_entries[]={
 
 #define NR_PALINFO_ENTRIES      (int) ARRAY_SIZE(palinfo_entries)
 
-/*
- * this array is used to keep track of the proc entries we create. This is
- * required in the module mode when we need to remove all entries. The procfs code
- * does not do recursion of deletion
- *
- * Notes:
- *      - +1 accounts for the cpuN directory entry in /proc/pal
- */
-#define NR_PALINFO_PROC_ENTRIES (NR_CPUS*(NR_PALINFO_ENTRIES+1))
-
-static struct proc_dir_entry *palinfo_proc_entries[NR_PALINFO_PROC_ENTRIES];
 static struct proc_dir_entry *palinfo_dir;
 
 /*
@@ -971,60 +960,32 @@ palinfo_read_entry(char *page, char **start, off_t off, int count, int *eof, voi
 static void __cpuinit
 create_palinfo_proc_entries(unsigned int cpu)
 {
-#       define CPUSTR   "cpu%d"
-
         pal_func_cpu_u_t f;
-        struct proc_dir_entry **pdir;
         struct proc_dir_entry *cpu_dir;
         int j;
-        char cpustr[sizeof(CPUSTR)];
-
-
-        /*
-         * we keep track of created entries in a depth-first order for
-         * cleanup purposes. Each entry is stored into palinfo_proc_entries
-         */
-        sprintf(cpustr,CPUSTR, cpu);
+        char cpustr[3+4+1];     /* cpu numbers are up to 4095 on itanic */
+        sprintf(cpustr, "cpu%d", cpu);
 
         cpu_dir = proc_mkdir(cpustr, palinfo_dir);
+        if (!cpu_dir)
+                return;
 
         f.req_cpu = cpu;
 
-        /*
-         * Compute the location to store per cpu entries
-         * We dont store the top level entry in this list, but
-         * remove it finally after removing all cpu entries.
-         */
-        pdir = &palinfo_proc_entries[cpu*(NR_PALINFO_ENTRIES+1)];
-        *pdir++ = cpu_dir;
         for (j=0; j < NR_PALINFO_ENTRIES; j++) {
                 f.func_id = j;
-                *pdir = create_proc_read_entry(
-                                palinfo_entries[j].name, 0, cpu_dir,
-                                palinfo_read_entry, (void *)f.value);
-                pdir++;
+                create_proc_read_entry(
+                        palinfo_entries[j].name, 0, cpu_dir,
+                        palinfo_read_entry, (void *)f.value);
         }
 }
 
 static void
 remove_palinfo_proc_entries(unsigned int hcpu)
 {
-        int j;
-        struct proc_dir_entry *cpu_dir, **pdir;
-
-        pdir = &palinfo_proc_entries[hcpu*(NR_PALINFO_ENTRIES+1)];
-        cpu_dir = *pdir;
-        *pdir++=NULL;
-        for (j=0; j < (NR_PALINFO_ENTRIES); j++) {
-                if ((*pdir)) {
-                        remove_proc_entry ((*pdir)->name, cpu_dir);
-                        *pdir ++= NULL;
-                }
-        }
-
-        if (cpu_dir) {
-                remove_proc_entry(cpu_dir->name, palinfo_dir);
-        }
+        char cpustr[3+4+1];     /* cpu numbers are up to 4095 on itanic */
+        sprintf(cpustr, "cpu%d", hcpu);
+        remove_proc_subtree(cpustr, palinfo_dir);
 }
 
 static int __cpuinit palinfo_cpu_callback(struct notifier_block *nfb,
@@ -1058,6 +1019,8 @@ palinfo_init(void)
 
         printk(KERN_INFO "PAL Information Facility v%s\n", PALINFO_VERSION);
         palinfo_dir = proc_mkdir("pal", NULL);
+        if (!palinfo_dir)
+                return -ENOMEM;
 
         /* Create palinfo dirs in /proc for all online cpus */
         for_each_online_cpu(i) {
@@ -1073,22 +1036,8 @@ palinfo_init(void)
 static void __exit
 palinfo_exit(void)
 {
-        int i = 0;
-
-        /* remove all nodes: depth first pass. Could optimize this  */
-        for_each_online_cpu(i) {
-                remove_palinfo_proc_entries(i);
-        }
-
-        /*
-         * Remove the top level entry finally
-         */
-        remove_proc_entry(palinfo_dir->name, NULL);
-
-        /*
-         * Unregister from cpu notifier callbacks
-         */
         unregister_hotcpu_notifier(&palinfo_cpu_notifier);
+        remove_proc_subtree("pal", NULL);
 }
 
 module_init(palinfo_init);
diff --git a/arch/m68k/include/asm/gpio.h b/arch/m68k/include/asm/gpio.h
index 4395ffc51fdb..8cc83431805b 100644
--- a/arch/m68k/include/asm/gpio.h
+++ b/arch/m68k/include/asm/gpio.h
@@ -86,4 +86,24 @@ static inline int gpio_cansleep(unsigned gpio)
         return gpio < MCFGPIO_PIN_MAX ? 0 : __gpio_cansleep(gpio);
 }
 
+static inline int gpio_request_one(unsigned gpio, unsigned long flags, const char *label)
+{
+        int err;
+
+        err = gpio_request(gpio, label);
+        if (err)
+                return err;
+
+        if (flags & GPIOF_DIR_IN)
+                err = gpio_direction_input(gpio);
+        else
+                err = gpio_direction_output(gpio,
+                        (flags & GPIOF_INIT_HIGH) ? 1 : 0);
+
+        if (err)
+                gpio_free(gpio);
+
+        return err;
+}
+
 #endif
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index cd2e21ff562a..51244bf97271 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -18,7 +18,7 @@ config MIPS
         select HAVE_KRETPROBES
         select HAVE_DEBUG_KMEMLEAK
         select ARCH_BINFMT_ELF_RANDOMIZE_PIE
-        select HAVE_ARCH_TRANSPARENT_HUGEPAGE
+        select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
         select RTC_LIB if !MACH_LOONGSON
         select GENERIC_ATOMIC64 if !64BIT
         select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
@@ -657,7 +657,7 @@ config SNI_RM
         bool "SNI RM200/300/400"
         select FW_ARC if CPU_LITTLE_ENDIAN
         select FW_ARC32 if CPU_LITTLE_ENDIAN
-        select SNIPROM if CPU_BIG_ENDIAN
+        select FW_SNIPROM if CPU_BIG_ENDIAN
         select ARCH_MAY_HAVE_PC_FDC
         select BOOT_ELF32
         select CEVT_R4K
@@ -1144,7 +1144,7 @@ config DEFAULT_SGI_PARTITION
 config FW_ARC32
         bool
 
-config SNIPROM
+config FW_SNIPROM
         bool
 
 config BOOT_ELF32
@@ -1493,7 +1493,6 @@ config CPU_XLP
         select CPU_SUPPORTS_32BIT_KERNEL
         select CPU_SUPPORTS_64BIT_KERNEL
         select CPU_SUPPORTS_HIGHMEM
-        select CPU_HAS_LLSC
         select WEAK_ORDERING
         select WEAK_REORDERING_BEYOND_LLSC
         select CPU_HAS_PREFETCH
diff --git a/arch/mips/bcm63xx/boards/board_bcm963xx.c b/arch/mips/bcm63xx/boards/board_bcm963xx.c
index ed1949c29508..9aa7d44898ed 100644
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -745,10 +745,7 @@ void __init board_prom_init(void)
                 strcpy(cfe_version, "unknown");
         printk(KERN_INFO PFX "CFE version: %s\n", cfe_version);
 
-        if (bcm63xx_nvram_init(boot_addr + BCM963XX_NVRAM_OFFSET)) {
-                printk(KERN_ERR PFX "invalid nvram checksum\n");
-                return;
-        }
+        bcm63xx_nvram_init(boot_addr + BCM963XX_NVRAM_OFFSET);
 
         board_name = bcm63xx_nvram_get_name();
         /* find board by name */
diff --git a/arch/mips/bcm63xx/nvram.c b/arch/mips/bcm63xx/nvram.c
index 620611680839..a4b8864f9307 100644
--- a/arch/mips/bcm63xx/nvram.c
+++ b/arch/mips/bcm63xx/nvram.c
@@ -38,7 +38,7 @@ struct bcm963xx_nvram {
 static struct bcm963xx_nvram nvram;
 static int mac_addr_used;
 
-int __init bcm63xx_nvram_init(void *addr)
+void __init bcm63xx_nvram_init(void *addr)
 {
         unsigned int check_len;
         u32 crc, expected_crc;
@@ -60,9 +60,8 @@ int __init bcm63xx_nvram_init(void *addr)
         crc = crc32_le(~0, (u8 *)&nvram, check_len);
 
         if (crc != expected_crc)
-                return -EINVAL;
-
-        return 0;
+                pr_warn("nvram checksum failed, contents may be invalid (expected %08x, got %08x)\n",
+                        expected_crc, crc);
 }
 
 u8 *bcm63xx_nvram_get_name(void)
diff --git a/arch/mips/bcm63xx/setup.c b/arch/mips/bcm63xx/setup.c
index 314231be788c..35e18e98beb9 100644
--- a/arch/mips/bcm63xx/setup.c
+++ b/arch/mips/bcm63xx/setup.c
@@ -157,4 +157,4 @@ int __init bcm63xx_register_devices(void)
         return board_register_devices();
 }
 
-device_initcall(bcm63xx_register_devices);
+arch_initcall(bcm63xx_register_devices);
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index c594a3d4f743..b0baa299f899 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -174,7 +174,10 @@ static int octeon_kexec_prepare(struct kimage *image)
 
 static void octeon_generic_shutdown(void)
 {
-        int cpu, i;
+        int i;
+#ifdef CONFIG_SMP
+        int cpu;
+#endif
         struct cvmx_bootmem_desc *bootmem_desc;
         void *named_block_array_ptr;
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h
index 62d6a3b4d3b7..4e0b6bc1165e 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h
@@ -9,10 +9,8 @@
  *
  * Initialized the local nvram copy from the target address and checks
  * its checksum.
- *
- * Returns 0 on success.
  */
-int __init bcm63xx_nvram_init(void *nvram);
+void bcm63xx_nvram_init(void *nvram);
 
 /**
  * bcm63xx_nvram_get_name() - returns the board name according to nvram
diff --git a/arch/mips/include/asm/mach-sead3/cpu-feature-overrides.h b/arch/mips/include/asm/mach-sead3/cpu-feature-overrides.h
index d9c828419037..193c0912d38e 100644
--- a/arch/mips/include/asm/mach-sead3/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-sead3/cpu-feature-overrides.h
@@ -28,11 +28,7 @@
 /* #define cpu_has_prefetch     ? */
 #define cpu_has_mcheck          1
 /* #define cpu_has_ejtag        ? */
-#ifdef CONFIG_CPU_HAS_LLSC
 #define cpu_has_llsc            1
-#else
-#define cpu_has_llsc            0
-#endif
 /* #define cpu_has_vtag_icache  ? */
 /* #define cpu_has_dc_aliases   ? */
 /* #define cpu_has_ic_fills_f_dc ? */
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 12b70c25906a..0da44d422f5b 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -1166,7 +1166,10 @@ do {									\
         unsigned int __dspctl;                                          \
                                                                         \
         __asm__ __volatile__(                                           \
+        "       .set push                                       \n"     \
+        "       .set dsp                                        \n"     \
         "       rddsp   %0, %x1                                 \n"     \
+        "       .set pop                                        \n"     \
         : "=r" (__dspctl)                                               \
         : "i" (mask));                                                  \
         __dspctl;                                                       \
@@ -1175,30 +1178,198 @@ do {									\
 #define wrdsp(val, mask)                                                \
 do {                                                                    \
         __asm__ __volatile__(                                           \
+        "       .set push                                       \n"     \
+        "       .set dsp                                        \n"     \
         "       wrdsp   %0, %x1                                 \n"     \
+        "       .set pop                                        \n"     \
         :                                                               \
         : "r" (val), "i" (mask));                                       \
 } while (0)
 
-#define mflo0() ({ long mflo0; __asm__("mflo %0, $ac0" : "=r" (mflo0)); mflo0;})
-#define mflo1() ({ long mflo1; __asm__("mflo %0, $ac1" : "=r" (mflo1)); mflo1;})
-#define mflo2() ({ long mflo2; __asm__("mflo %0, $ac2" : "=r" (mflo2)); mflo2;})
-#define mflo3() ({ long mflo3; __asm__("mflo %0, $ac3" : "=r" (mflo3)); mflo3;})
-
-#define mfhi0() ({ long mfhi0; __asm__("mfhi %0, $ac0" : "=r" (mfhi0)); mfhi0;})
-#define mfhi1() ({ long mfhi1; __asm__("mfhi %0, $ac1" : "=r" (mfhi1)); mfhi1;})
-#define mfhi2() ({ long mfhi2; __asm__("mfhi %0, $ac2" : "=r" (mfhi2)); mfhi2;})
-#define mfhi3() ({ long mfhi3; __asm__("mfhi %0, $ac3" : "=r" (mfhi3)); mfhi3;})
-
-#define mtlo0(x) __asm__("mtlo %0, $ac0" ::"r" (x))
-#define mtlo1(x) __asm__("mtlo %0, $ac1" ::"r" (x))
-#define mtlo2(x) __asm__("mtlo %0, $ac2" ::"r" (x))
-#define mtlo3(x) __asm__("mtlo %0, $ac3" ::"r" (x))
-
-#define mthi0(x) __asm__("mthi %0, $ac0" ::"r" (x))
-#define mthi1(x) __asm__("mthi %0, $ac1" ::"r" (x))
-#define mthi2(x) __asm__("mthi %0, $ac2" ::"r" (x))
-#define mthi3(x) __asm__("mthi %0, $ac3" ::"r" (x))
+#define mflo0()                                                         \
+({                                                                      \
+        long mflo0;                                                     \
+        __asm__(                                                        \
+        "       .set push                                       \n"     \
+        "       .set dsp                                        \n"     \
+        "       mflo %0, $ac0                                   \n"     \
+        "       .set pop                                        \n"     \
+        : "=r" (mflo0));                                                \
+        mflo0;                                                          \
+})
+
+#define mflo1()                                                         \
+({                                                                      \
+        long mflo1;                                                     \
+        __asm__(                                                        \
+        "       .set push                                       \n"     \
+        "       .set dsp                                        \n"     \
+        "       mflo %0, $ac1                                   \n"     \
+        "       .set pop                                        \n"     \
+        : "=r" (mflo1));                                                \
+        mflo1;                                                          \
+})
+
+#define mflo2()                                                         \
+({                                                                      \
+        long mflo2;                                                     \
+        __asm__(                                                        \
+        "       .set push                                       \n"     \
+        "       .set dsp                                        \n"     \
+        "       mflo %0, $ac2                                   \n"     \
+        "       .set pop                                        \n"     \
+        : "=r" (mflo2));                                                \
+        mflo2;                                                          \
+})
+
+#define mflo3()                                                         \
+({                                                                      \
+        long mflo3;                                                     \
+        __asm__(                                                        \
+        "       .set push                                       \n"     \
+        "       .set dsp                                        \n"     \
+        "       mflo %0, $ac3                                   \n"     \
+        "       .set pop                                        \n"     \
+        : "=r" (mflo3));                                                \
+        mflo3;                                                          \
+})
+
+#define mfhi0()                                                         \
+({                                                                      \
+        long mfhi0;                                                     \
+        __asm__(                                                        \
+        "       .set push                                       \n"     \
+        "       .set dsp                                        \n"     \
+        "       mfhi %0, $ac0                                   \n"     \
+        "       .set pop                                        \n"     \
+        : "=r" (mfhi0));                                                \
+        mfhi0;                                                          \
+})
+
+#define mfhi1()                                                         \
+({                                                                      \
+        long mfhi1;                                                     \
+        __asm__(                                                        \
+        "       .set push                                       \n"     \
+        "       .set dsp                                        \n"     \
+        "       mfhi %0, $ac1                                   \n"     \
+        "       .set pop                                        \n"     \
+        : "=r" (mfhi1));                                                \
+        mfhi1;                                                          \
+})
+
+#define mfhi2()                                                         \
+({                                                                      \
+        long mfhi2;                                                     \
+        __asm__(                                                        \
+        "       .set push                                       \n"     \
+        "       .set dsp                                        \n"     \
+        "       mfhi %0, $ac2                                   \n"     \
+        "       .set pop                                        \n"     \
+        : "=r" (mfhi2));                                                \
+        mfhi2;                                                          \
+})
+
+#define mfhi3()                                                         \
+({                                                                      \
+        long mfhi3;                                                     \
+        __asm__(                                                        \
+        "       .set push                                       \n"     \
+        "       .set dsp                                        \n"     \
+        "       mfhi %0, $ac3                                   \n"     \
+        "       .set pop                                        \n"     \
+        : "=r" (mfhi3));                                                \
+        mfhi3;                                                          \
+})
+
+
+#define mtlo0(x)                                                        \
+({                                                                      \
+        __asm__(                                                        \
+        "       .set push                                       \n"     \
+        "       .set dsp                                        \n"     \
+        "       mtlo %0, $ac0                                   \n"     \
+        "       .set pop                                        \n"     \
+        :                                                               \
+        : "r" (x));                                                     \
+})
+
+#define mtlo1(x)                                                        \
+({                                                                      \
+        __asm__(                                                        \
+        "       .set push                                       \n"     \
+        "       .set dsp                                        \n"     \
+        "       mtlo %0, $ac1                                   \n"     \
+        "       .set pop                                        \n"     \
+        :                                                               \
+        : "r" (x));                                                     \
+})
+
+#define mtlo2(x)                                                        \
+({                                                                      \
+        __asm__(                                                        \
+        "       .set push                                       \n"     \
+        "       .set dsp                                        \n"     \
+        "       mtlo %0, $ac2                                   \n"     \
+        "       .set pop                                        \n"     \
+        :                                                               \
+        : "r" (x));                                                     \
+})
+
+#define mtlo3(x)                                                        \
+({                                                                      \
+        __asm__(                                                        \
+        "       .set push                                       \n"     \
+        "       .set dsp                                        \n"     \
+        "       mtlo %0, $ac3                                   \n"     \
+        "       .set pop                                        \n"     \
+        :                                                               \
+        : "r" (x));                                                     \
+})
+
+#define mthi0(x)                                                        \
+({                                                                      \
+        __asm__(                                                        \
+        "       .set push                                       \n"     \
+        "       .set dsp                                        \n"     \
+        "       mthi %0, $ac0                                   \n"     \
+        "       .set pop                                        \n"     \
+        :                                                               \
+        : "r" (x));                                                     \
+})
+
+#define mthi1(x)                                                        \
+({                                                                      \
+        __asm__(                                                        \
+        "       .set push                                       \n"     \
+        "       .set dsp                                        \n"     \
+        "       mthi %0, $ac1                                   \n"     \
+        "       .set pop                                        \n"     \
+        :                                                               \
+        : "r" (x));                                                     \
+})
+
+#define mthi2(x)                                                        \
+({                                                                      \
+        __asm__(                                                        \
+        "       .set push                                       \n"     \
+        "       .set dsp                                        \n"     \
+        "       mthi %0, $ac2                                   \n"     \
+        "       .set pop                                        \n"     \
+        :                                                               \
+        : "r" (x));                                                     \
+})
+
+#define mthi3(x)                                                        \
+({                                                                      \
+        __asm__(                                                        \
+        "       .set push                                       \n"     \
+        "       .set dsp                                        \n"     \
+        "       mthi %0, $ac3                                   \n"     \
+        "       .set pop                                        \n"     \
+        :                                                               \
+        : "r" (x));                                                     \
+})
 
 #else
 
diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h
index 99fc547af9d3..eab99e536b5c 100644
--- a/arch/mips/include/asm/page.h
+++ b/arch/mips/include/asm/page.h
@@ -31,7 +31,7 @@
 #define PAGE_SHIFT      16
 #endif
 #define PAGE_SIZE       (_AC(1,UL) << PAGE_SHIFT)
-#define PAGE_MASK       (~(PAGE_SIZE - 1))
+#define PAGE_MASK       (~((1 << PAGE_SHIFT) - 1))
 
 #ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
 #define HPAGE_SHIFT     (PAGE_SHIFT + PAGE_SHIFT - 3)
diff --git a/arch/mips/include/asm/signal.h b/arch/mips/include/asm/signal.h
index 197f6367c201..8efe5a9e2c3e 100644
--- a/arch/mips/include/asm/signal.h
+++ b/arch/mips/include/asm/signal.h
@@ -21,6 +21,6 @@
 #include <asm/sigcontext.h>
 #include <asm/siginfo.h>
 
-#define __ARCH_HAS_ODD_SIGACTION
+#define __ARCH_HAS_IRIX_SIGACTION
 
 #endif /* _ASM_SIGNAL_H */
diff --git a/arch/mips/include/uapi/asm/signal.h b/arch/mips/include/uapi/asm/signal.h
index d6b18b4d0f3a..addb9f556b71 100644
--- a/arch/mips/include/uapi/asm/signal.h
+++ b/arch/mips/include/uapi/asm/signal.h
@@ -72,6 +72,12 @@ typedef unsigned long old_sigset_t;		/* at least 32 bits */
  *
  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  * Unix names RESETHAND and NODEFER respectively.
+ *
+ * SA_RESTORER used to be defined as 0x04000000 but only the O32 ABI ever
+ * supported its use and no libc was using it, so the entire sa-restorer
+ * functionality was removed with lmo commit 39bffc12c3580ab for 2.5.48
+ * retaining only the SA_RESTORER definition as a reminder to avoid
+ * accidental reuse of the mask bit.
  */
 #define SA_ONSTACK      0x08000000
 #define SA_RESETHAND    0x80000000
@@ -84,8 +90,6 @@ typedef unsigned long old_sigset_t;		/* at least 32 bits */
 #define SA_NOMASK       SA_NODEFER
 #define SA_ONESHOT      SA_RESETHAND
 
-#define SA_RESTORER     0x04000000      /* Only for o32 */
-
 #define MINSIGSTKSZ    2048
 #define SIGSTKSZ       8192
 
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index f81d98f6184c..de75fb50562b 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -100,29 +100,16 @@ obj-$(CONFIG_HW_PERF_EVENTS)	+= perf_event_mipsxx.o
 obj-$(CONFIG_JUMP_LABEL)        += jump_label.o
 
 #
-# DSP ASE supported for MIPS32 or MIPS64 Release 2 cores only. It is safe
-# to enable DSP assembler support here even if the MIPS Release 2 CPU we
-# are targetting does not support DSP because all code-paths making use of
-# it properly check that the running CPU *actually does* support these
-# instructions.
+# DSP ASE supported for MIPS32 or MIPS64 Release 2 cores only. It is not
+# safe to unconditionnaly use the assembler -mdsp / -mdspr2 switches
+# here because the compiler may use DSP ASE instructions (such as lwx) in
+# code paths where we cannot check that the CPU we are running on supports it.
+# Proper abstraction using HAVE_AS_DSP and macros is done in
+# arch/mips/include/asm/mipsregs.h.
 #
 ifeq ($(CONFIG_CPU_MIPSR2), y)
 CFLAGS_DSP                      = -DHAVE_AS_DSP
 
-#
-# Check if assembler supports DSP ASE
-#
-ifeq ($(call cc-option-yn,-mdsp), y)
-CFLAGS_DSP                      += -mdsp
-endif
-
-#
-# Check if assembler supports DSP ASE Rev2
-#
-ifeq ($(call cc-option-yn,-mdspr2), y)
-CFLAGS_DSP                      += -mdspr2
-endif
-
 CFLAGS_signal.o                 = $(CFLAGS_DSP)
 CFLAGS_signal32.o               = $(CFLAGS_DSP)
 CFLAGS_process.o                = $(CFLAGS_DSP)
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 6bfccc227a95..5fe66a0c3224 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -580,6 +580,9 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu)
                 c->tlbsize = 48;
                 break;
         case PRID_IMP_VR41XX:
+                set_isa(c, MIPS_CPU_ISA_III);
+                c->options = R4K_OPTS;
+                c->tlbsize = 32;
                 switch (c->processor_id & 0xf0) {
                 case PRID_REV_VR4111:
                         c->cputype = CPU_VR4111;
@@ -604,6 +607,7 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu)
                                 __cpu_name[cpu] = "NEC VR4131";
                         } else {
                                 c->cputype = CPU_VR4133;
+                                c->options |= MIPS_CPU_LLSC;
                                 __cpu_name[cpu] = "NEC VR4133";
                         }
                         break;
@@ -613,9 +617,6 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu)
                         __cpu_name[cpu] = "NEC Vr41xx";
                         break;
                 }
-                set_isa(c, MIPS_CPU_ISA_III);
-                c->options = R4K_OPTS;
-                c->tlbsize = 32;
                 break;
         case PRID_IMP_R4300:
                 c->cputype = CPU_R4300;
@@ -1226,10 +1227,8 @@ __cpuinit void cpu_probe(void)
         if (c->options & MIPS_CPU_FPU) {
                 c->fpu_id = cpu_get_fpu_id();
 
-                if (c->isa_level == MIPS_CPU_ISA_M32R1 ||
-                    c->isa_level == MIPS_CPU_ISA_M32R2 ||
-                    c->isa_level == MIPS_CPU_ISA_M64R1 ||
-                    c->isa_level == MIPS_CPU_ISA_M64R2) {
+                if (c->isa_level & (MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M32R2 |
+                                    MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2)) {
                         if (c->fpu_id & MIPS_FPIR_3D)
                                 c->ases |= MIPS_ASE_MIPS3D;
                 }
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 8eeee1c860c0..db9655f08892 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -171,7 +171,7 @@ SYSCALL_DEFINE6(32_ipc, u32, call, long, first, long, second, long, third,
                 err = compat_sys_shmctl(first, second, compat_ptr(ptr));
                 break;
         default:
-                err = -EINVAL;
+                err = -ENOSYS;
                 break;
         }
 
diff --git a/arch/mips/kernel/mcount.S b/arch/mips/kernel/mcount.S
index 165867673357..33d067148e61 100644
--- a/arch/mips/kernel/mcount.S
+++ b/arch/mips/kernel/mcount.S
@@ -46,10 +46,9 @@
         PTR_L   a5, PT_R9(sp)
         PTR_L   a6, PT_R10(sp)
         PTR_L   a7, PT_R11(sp)
-#else
-        PTR_ADDIU       sp, PT_SIZE
 #endif
-.endm
+        PTR_ADDIU       sp, PT_SIZE
+        .endm
 
         .macro RETURN_BACK
         jr ra
@@ -68,7 +67,11 @@ NESTED(ftrace_caller, PT_SIZE, ra)
         .globl _mcount
 _mcount:
         b       ftrace_stub
-        addiu sp,sp,8
+#ifdef CONFIG_32BIT
+         addiu sp,sp,8
+#else
+         nop
+#endif
 
         /* When tracing is activated, it calls ftrace_caller+8 (aka here) */
         lw      t1, function_trace_stop
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
index 135c4aadccbe..7a54f74b7818 100644
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -67,7 +67,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
         if (cpu_has_mips_r) {
                 seq_printf(m, "isa\t\t\t:");
                 if (cpu_has_mips_1)
-                        seq_printf(m, "%s", "mips1");
+                        seq_printf(m, "%s", " mips1");
                 if (cpu_has_mips_2)
                         seq_printf(m, "%s", " mips2");
                 if (cpu_has_mips_3)
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index a200b5bdbb87..c3abb88170fc 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -1571,7 +1571,7 @@ void __cpuinit per_cpu_trap_init(bool is_boot_cpu)
 #ifdef CONFIG_64BIT
         status_set |= ST0_FR|ST0_KX|ST0_SX|ST0_UX;
 #endif
-        if (current_cpu_data.isa_level == MIPS_CPU_ISA_IV)
+        if (current_cpu_data.isa_level & MIPS_CPU_ISA_IV)
                 status_set |= ST0_XX;
         if (cpu_has_dsp)
                 status_set |= ST0_MX;
diff --git a/arch/mips/lib/bitops.c b/arch/mips/lib/bitops.c
index 81f1dcfdcab8..a64daee740ee 100644
--- a/arch/mips/lib/bitops.c
+++ b/arch/mips/lib/bitops.c
@@ -90,12 +90,12 @@ int __mips_test_and_set_bit(unsigned long nr,
         unsigned bit = nr & SZLONG_MASK;
         unsigned long mask;
         unsigned long flags;
-        unsigned long res;
+        int res;
 
         a += nr >> SZLONG_LOG;
         mask = 1UL << bit;
         raw_local_irq_save(flags);
-        res = (mask & *a);
+        res = (mask & *a) != 0;
         *a |= mask;
         raw_local_irq_restore(flags);
         return res;
@@ -116,12 +116,12 @@ int __mips_test_and_set_bit_lock(unsigned long nr,
         unsigned bit = nr & SZLONG_MASK;
         unsigned long mask;
         unsigned long flags;
-        unsigned long res;
+        int res;
 
         a += nr >> SZLONG_LOG;
         mask = 1UL << bit;
         raw_local_irq_save(flags);
-        res = (mask & *a);
+        res = (mask & *a) != 0;
         *a |= mask;
         raw_local_irq_restore(flags);
         return res;
@@ -141,12 +141,12 @@ int __mips_test_and_clear_bit(unsigned long nr, volatile unsigned long *addr)
         unsigned bit = nr & SZLONG_MASK;
         unsigned long mask;
         unsigned long flags;
-        unsigned long res;
+        int res;
 
         a += nr >> SZLONG_LOG;
         mask = 1UL << bit;
         raw_local_irq_save(flags);
-        res = (mask & *a);
+        res = (mask & *a) != 0;
         *a &= ~mask;
         raw_local_irq_restore(flags);
         return res;
@@ -166,12 +166,12 @@ int __mips_test_and_change_bit(unsigned long nr, volatile unsigned long *addr)
         unsigned bit = nr & SZLONG_MASK;
         unsigned long mask;
         unsigned long flags;
-        unsigned long res;
+        int res;
 
         a += nr >> SZLONG_LOG;
         mask = 1UL << bit;
         raw_local_irq_save(flags);
-        res = (mask & *a);
+        res = (mask & *a) != 0;
         *a ^= mask;
         raw_local_irq_restore(flags);
         return res;
diff --git a/arch/mips/lib/csum_partial.S b/arch/mips/lib/csum_partial.S
index 507147aebd41..a6adffbb4e5f 100644
--- a/arch/mips/lib/csum_partial.S
+++ b/arch/mips/lib/csum_partial.S
@@ -270,7 +270,7 @@ LEAF(csum_partial)
 #endif
 
         /* odd buffer alignment? */
-#ifdef CPU_MIPSR2
+#ifdef CONFIG_CPU_MIPSR2
         wsbh    v1, sum
         movn    sum, v1, t7
 #else
@@ -670,7 +670,7 @@ EXC(	sb	t0, NBYTES-2(dst), .Ls_exc)
         addu    sum, v1
 #endif
 
-#ifdef CPU_MIPSR2
+#ifdef CONFIG_CPU_MIPSR2
         wsbh    v1, sum
         movn    sum, v1, odd
 #else
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index ecca559b8d7b..2078915eacb9 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -1247,10 +1247,8 @@ static void __cpuinit setup_scache(void)
                 return;
 
         default:
-                if (c->isa_level == MIPS_CPU_ISA_M32R1 ||
-                    c->isa_level == MIPS_CPU_ISA_M32R2 ||
-                    c->isa_level == MIPS_CPU_ISA_M64R1 ||
-                    c->isa_level == MIPS_CPU_ISA_M64R2) {
+                if (c->isa_level & (MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M32R2 |
+                                    MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2)) {
 #ifdef CONFIG_MIPS_CPU_SCACHE
                         if (mips_sc_init ()) {
                                 scache_size = c->scache.ways * c->scache.sets * c->scache.linesz;
diff --git a/arch/mips/mm/sc-mips.c b/arch/mips/mm/sc-mips.c
index 93d937b4b1ba..df96da7e939b 100644
--- a/arch/mips/mm/sc-mips.c
+++ b/arch/mips/mm/sc-mips.c
@@ -98,10 +98,8 @@ static inline int __init mips_sc_probe(void)
         c->scache.flags |= MIPS_CACHE_NOT_PRESENT;
 
         /* Ignore anything but MIPSxx processors */
-        if (c->isa_level != MIPS_CPU_ISA_M32R1 &&
-            c->isa_level != MIPS_CPU_ISA_M32R2 &&
-            c->isa_level != MIPS_CPU_ISA_M64R1 &&
-            c->isa_level != MIPS_CPU_ISA_M64R2)
+        if (!(c->isa_level & (MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M32R2 |
+                              MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2)))
                 return 0;
 
         /* Does this MIPS32/MIPS64 CPU have a config2 register? */
diff --git a/arch/mips/pci/pci-alchemy.c b/arch/mips/pci/pci-alchemy.c
index 38a80c83fd67..d1faece21b6a 100644
--- a/arch/mips/pci/pci-alchemy.c
+++ b/arch/mips/pci/pci-alchemy.c
@@ -19,7 +19,7 @@
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/tlbmisc.h>
 
-#ifdef CONFIG_DEBUG_PCI
+#ifdef CONFIG_PCI_DEBUG
 #define DBG(x...) printk(KERN_DEBUG x)
 #else
 #define DBG(x...) do {} while (0)
@@ -162,7 +162,7 @@ static int config_access(unsigned char access_type, struct pci_bus *bus,
         if (status & (1 << 29)) {
                 *data = 0xffffffff;
                 error = -1;
-                DBG("alchemy-pci: master abort on cfg access %d bus %d dev %d",
+                DBG("alchemy-pci: master abort on cfg access %d bus %d dev %d\n",
                     access_type, bus->number, device);
         } else if ((status >> 28) & 0xf) {
                 DBG("alchemy-pci: PCI ERR detected: dev %d, status %lx\n",
diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index 01d95e2f0581..113e28206503 100644
--- a/arch/parisc/Makefile
+++ b/arch/parisc/Makefile
@@ -65,8 +65,10 @@ ifndef CONFIG_FUNCTION_TRACER
 endif
 
 # Use long jumps instead of long branches (needed if your linker fails to
-# link a too big vmlinux executable)
-cflags-$(CONFIG_MLONGCALLS)     += -mlong-calls
+# link a too big vmlinux executable). Not enabled for building modules.
+ifdef CONFIG_MLONGCALLS
+KBUILD_CFLAGS_KERNEL += -mlong-calls
+endif
 
 # select which processor to optimise for
 cflags-$(CONFIG_PA7100)         += -march=1.1 -mschedule=7100
diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h
index 79f694f3ad9b..f0e2784e7cca 100644
--- a/arch/parisc/include/asm/cacheflush.h
+++ b/arch/parisc/include/asm/cacheflush.h
@@ -140,7 +140,10 @@ static inline void *kmap(struct page *page)
         return page_address(page);
 }
 
-#define kunmap(page)                    kunmap_parisc(page_address(page))
+static inline void kunmap(struct page *page)
+{
+        kunmap_parisc(page_address(page));
+}
 
 static inline void *kmap_atomic(struct page *page)
 {
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index 7df49fad29f9..1e40d7f86be3 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -16,6 +16,8 @@
 #include <asm/processor.h>
 #include <asm/cache.h>
 
+extern spinlock_t pa_dbit_lock;
+
 /*
  * kern_addr_valid(ADDR) tests if ADDR is pointing to valid kernel
  * memory.  For the return value to be meaningful, ADDR must be >=
@@ -44,8 +46,11 @@ extern void purge_tlb_entries(struct mm_struct *, unsigned long);
 
 #define set_pte_at(mm, addr, ptep, pteval)                      \
         do {                                                    \
+                unsigned long flags;                            \
+                spin_lock_irqsave(&pa_dbit_lock, flags);        \
                 set_pte(ptep, pteval);                          \
                 purge_tlb_entries(mm, addr);                    \
+                spin_unlock_irqrestore(&pa_dbit_lock, flags);   \
         } while (0)
 
 #endif /* !__ASSEMBLY__ */
@@ -435,48 +440,46 @@ extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *);
 
 static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep)
 {
-#ifdef CONFIG_SMP
+        pte_t pte;
+        unsigned long flags;
+
         if (!pte_young(*ptep))
                 return 0;
-        return test_and_clear_bit(xlate_pabit(_PAGE_ACCESSED_BIT), &pte_val(*ptep));
-#else
-        pte_t pte = *ptep;
-        if (!pte_young(pte))
+
+        spin_lock_irqsave(&pa_dbit_lock, flags);
+        pte = *ptep;
+        if (!pte_young(pte)) {
+                spin_unlock_irqrestore(&pa_dbit_lock, flags);
                 return 0;
-        set_pte_at(vma->vm_mm, addr, ptep, pte_mkold(pte));
+        }
+        set_pte(ptep, pte_mkold(pte));
+        purge_tlb_entries(vma->vm_mm, addr);
+        spin_unlock_irqrestore(&pa_dbit_lock, flags);
         return 1;
-#endif
 }
 
-extern spinlock_t pa_dbit_lock;
-
 struct mm_struct;
 static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
 {
         pte_t old_pte;
+        unsigned long flags;
 
-        spin_lock(&pa_dbit_lock);
+        spin_lock_irqsave(&pa_dbit_lock, flags);
         old_pte = *ptep;
         pte_clear(mm,addr,ptep);
-        spin_unlock(&pa_dbit_lock);
+        purge_tlb_entries(mm, addr);
+        spin_unlock_irqrestore(&pa_dbit_lock, flags);
 
         return old_pte;
 }
 
 static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
 {
-#ifdef CONFIG_SMP
-        unsigned long new, old;
-
-        do {
-                old = pte_val(*ptep);
-                new = pte_val(pte_wrprotect(__pte (old)));
-        } while (cmpxchg((unsigned long *) ptep, old, new) != old);
+        unsigned long flags;
+        spin_lock_irqsave(&pa_dbit_lock, flags);
+        set_pte(ptep, pte_wrprotect(*ptep));
         purge_tlb_entries(mm, addr);
-#else
-        pte_t old_pte = *ptep;
-        set_pte_at(mm, addr, ptep, pte_wrprotect(old_pte));
-#endif
+        spin_unlock_irqrestore(&pa_dbit_lock, flags);
 }
 
 #define pte_same(A,B)   (pte_val(A) == pte_val(B))
diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
index 4ba2c93770f1..e0a82358517e 100644
--- a/arch/parisc/include/asm/uaccess.h
+++ b/arch/parisc/include/asm/uaccess.h
@@ -181,30 +181,24 @@ struct exception_data {
 #if !defined(CONFIG_64BIT)
 
 #define __put_kernel_asm64(__val,ptr) do {                  \
-        u64 __val64 = (u64)(__val);                         \
-        u32 hi = (__val64) >> 32;                           \
-        u32 lo = (__val64) & 0xffffffff;                    \
         __asm__ __volatile__ (                              \
                 "\n1:\tstw %2,0(%1)"                        \
-                "\n2:\tstw %3,4(%1)\n\t"                    \
+                "\n2:\tstw %R2,4(%1)\n\t"                   \
                 ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_put_user_skip_2)\
                 ASM_EXCEPTIONTABLE_ENTRY(2b,fixup_put_user_skip_1)\
                 : "=r"(__pu_err)                            \
-                : "r"(ptr), "r"(hi), "r"(lo), "0"(__pu_err) \
+                : "r"(ptr), "r"(__val), "0"(__pu_err) \
                 : "r1");                                    \
 } while (0)
 
 #define __put_user_asm64(__val,ptr) do {                    \
-        u64 __val64 = (u64)(__val);                         \
-        u32 hi = (__val64) >> 32;                           \
-        u32 lo = (__val64) & 0xffffffff;                    \
         __asm__ __volatile__ (                              \
                 "\n1:\tstw %2,0(%%sr3,%1)"                  \
-                "\n2:\tstw %3,4(%%sr3,%1)\n\t"              \
+                "\n2:\tstw %R2,4(%%sr3,%1)\n\t"             \
                 ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_put_user_skip_2)\
                 ASM_EXCEPTIONTABLE_ENTRY(2b,fixup_put_user_skip_1)\
                 : "=r"(__pu_err)                            \
-                : "r"(ptr), "r"(hi), "r"(lo), "0"(__pu_err) \
+                : "r"(ptr), "r"(__val), "0"(__pu_err) \
                 : "r1");                                    \
 } while (0)
 
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 4b12890642eb..83ded26cad06 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -421,14 +421,11 @@ void purge_tlb_entries(struct mm_struct *mm, unsigned long addr)
         /* Note: purge_tlb_entries can be called at startup with
            no context.  */
 
-        /* Disable preemption while we play with %sr1.  */
-        preempt_disable();
-        mtsp(mm->context, 1);
         purge_tlb_start(flags);
+        mtsp(mm->context, 1);
         pdtlb(addr);
         pitlb(addr);
         purge_tlb_end(flags);
-        preempt_enable();
 }
 EXPORT_SYMBOL(purge_tlb_entries);
 
diff --git a/arch/parisc/kernel/parisc_ksyms.c b/arch/parisc/kernel/parisc_ksyms.c
index 6795dc6c995f..568b2c61ea02 100644
--- a/arch/parisc/kernel/parisc_ksyms.c
+++ b/arch/parisc/kernel/parisc_ksyms.c
@@ -120,11 +120,13 @@ extern void __ashrdi3(void);
 extern void __ashldi3(void);
 extern void __lshrdi3(void);
 extern void __muldi3(void);
+extern void __ucmpdi2(void);
 
 EXPORT_SYMBOL(__ashrdi3);
 EXPORT_SYMBOL(__ashldi3);
 EXPORT_SYMBOL(__lshrdi3);
 EXPORT_SYMBOL(__muldi3);
+EXPORT_SYMBOL(__ucmpdi2);
 
 asmlinkage void * __canonicalize_funcptr_for_compare(void *);
 EXPORT_SYMBOL(__canonicalize_funcptr_for_compare);
diff --git a/arch/parisc/lib/Makefile b/arch/parisc/lib/Makefile
index 5f2e6904d14a..5651536ac733 100644
--- a/arch/parisc/lib/Makefile
+++ b/arch/parisc/lib/Makefile
@@ -2,6 +2,7 @@
 # Makefile for parisc-specific library files
 #
 
-lib-y   := lusercopy.o bitops.o checksum.o io.o memset.o fixup.o memcpy.o
+lib-y   := lusercopy.o bitops.o checksum.o io.o memset.o fixup.o memcpy.o \
+           ucmpdi2.o
 
 obj-y   := iomap.o
diff --git a/arch/parisc/lib/ucmpdi2.c b/arch/parisc/lib/ucmpdi2.c
new file mode 100644
index 000000000000..149c016f32c5
--- /dev/null
+++ b/arch/parisc/lib/ucmpdi2.c
@@ -0,0 +1,25 @@
+#include <linux/module.h>
+
+union ull_union {
+        unsigned long long ull;
+        struct {
+                unsigned int high;
+                unsigned int low;
+        } ui;
+};
+
+int __ucmpdi2(unsigned long long a, unsigned long long b)
+{
+        union ull_union au = {.ull = a};
+        union ull_union bu = {.ull = b};
+
+        if (au.ui.high < bu.ui.high)
+                return 0;
+        else if (au.ui.high > bu.ui.high)
+                return 2;
+        if (au.ui.low < bu.ui.low)
+                return 0;
+        else if (au.ui.low > bu.ui.low)
+                return 2;
+        return 1;
+}
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 256c5bf0adb7..04d69c4a5ac2 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -304,7 +304,7 @@ syscall_exit_work:
         subi    r12,r12,TI_FLAGS
 
 4:      /* Anything else left to do? */
-        SET_DEFAULT_THREAD_PPR(r3, r9)          /* Set thread.ppr = 3 */
+        SET_DEFAULT_THREAD_PPR(r3, r10)         /* Set thread.ppr = 3 */
         andi.   r0,r9,(_TIF_SYSCALL_T_OR_A|_TIF_SINGLESTEP)
         beq     .ret_from_except_lite
 
@@ -657,7 +657,7 @@ resume_kernel:
         /* Clear _TIF_EMULATE_STACK_STORE flag */
         lis     r11,_TIF_EMULATE_STACK_STORE@h
         addi    r5,r9,TI_FLAGS
-        ldarx   r4,0,r5
+0:      ldarx   r4,0,r5
         andc    r4,r4,r11
         stdcx.  r4,0,r5
         bne-    0b
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 59dd545fdde1..16e77a81ab4f 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -555,10 +555,12 @@ static inline void tm_recheckpoint_new_task(struct task_struct *new)
                 new->thread.regs->msr |=
                         (MSR_FP | new->thread.fpexc_mode);
         }
+#ifdef CONFIG_ALTIVEC
         if (msr & MSR_VEC) {
                 do_load_up_transact_altivec(&new->thread);
                 new->thread.regs->msr |= MSR_VEC;
         }
+#endif
         /* We may as well turn on VSX too since all the state is restored now */
         if (msr & MSR_VSX)
                 new->thread.regs->msr |= MSR_VSX;
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 3acb28e245b4..95068bf569ad 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -866,10 +866,12 @@ static long restore_tm_user_regs(struct pt_regs *regs,
                 do_load_up_transact_fpu(&current->thread);
                 regs->msr |= (MSR_FP | current->thread.fpexc_mode);
         }
+#ifdef CONFIG_ALTIVEC
         if (msr & MSR_VEC) {
                 do_load_up_transact_altivec(&current->thread);
                 regs->msr |= MSR_VEC;
         }
+#endif
 
         return 0;
 }
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index 995f8543cb57..c1794286098c 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -522,10 +522,12 @@ static long restore_tm_sigcontexts(struct pt_regs *regs,
                 do_load_up_transact_fpu(&current->thread);
                 regs->msr |= (MSR_FP | current->thread.fpexc_mode);
         }
+#ifdef CONFIG_ALTIVEC
         if (msr & MSR_VEC) {
                 do_load_up_transact_altivec(&current->thread);
                 regs->msr |= MSR_VEC;
         }
+#endif
 
         return err;
 }
diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S
index 84dbace657ce..2da67e7a16d5 100644
--- a/arch/powerpc/kernel/tm.S
+++ b/arch/powerpc/kernel/tm.S
@@ -309,6 +309,7 @@ _GLOBAL(tm_recheckpoint)
         or      r5, r6, r5                      /* Set MSR.FP+.VSX/.VEC */
         mtmsr   r5
 
+#ifdef CONFIG_ALTIVEC
         /* FP and VEC registers:  These are recheckpointed from thread.fpr[]
          * and thread.vr[] respectively.  The thread.transact_fpr[] version
          * is more modern, and will be loaded subsequently by any FPUnavailable
@@ -323,6 +324,7 @@ _GLOBAL(tm_recheckpoint)
         REST_32VRS(0, r5, r3)                   /* r5 scratch, r3 THREAD ptr */
         ld      r5, THREAD_VRSAVE(r3)
         mtspr   SPRN_VRSAVE, r5
+#endif
 
 dont_restore_vec:
         andi.   r0, r4, MSR_FP
diff --git a/arch/powerpc/kvm/e500.h b/arch/powerpc/kvm/e500.h
index 41cefd43655f..33db48a8ce24 100644
--- a/arch/powerpc/kvm/e500.h
+++ b/arch/powerpc/kvm/e500.h
@@ -26,17 +26,20 @@
 #define E500_PID_NUM   3
 #define E500_TLB_NUM   2
 
-#define E500_TLB_VALID 1
-#define E500_TLB_BITMAP 2
+/* entry is mapped somewhere in host TLB */
+#define E500_TLB_VALID          (1 << 0)
+/* TLB1 entry is mapped by host TLB1, tracked by bitmaps */
+#define E500_TLB_BITMAP         (1 << 1)
+/* TLB1 entry is mapped by host TLB0 */
 #define E500_TLB_TLB0           (1 << 2)
 
 struct tlbe_ref {
-        pfn_t pfn;
-        unsigned int flags; /* E500_TLB_* */
+        pfn_t pfn;              /* valid only for TLB0, except briefly */
+        unsigned int flags;     /* E500_TLB_* */
 };
 
 struct tlbe_priv {
-        struct tlbe_ref ref; /* TLB0 only -- TLB1 uses tlb_refs */
+        struct tlbe_ref ref;
 };
 
 #ifdef CONFIG_KVM_E500V2
@@ -63,17 +66,6 @@ struct kvmppc_vcpu_e500 {
 
         unsigned int gtlb_nv[E500_TLB_NUM];
 
-        /*
-         * information associated with each host TLB entry --
-         * TLB1 only for now.  If/when guest TLB1 entries can be
-         * mapped with host TLB0, this will be used for that too.
-         *
-         * We don't want to use this for guest TLB0 because then we'd
-         * have the overhead of doing the translation again even if
-         * the entry is still in the guest TLB (e.g. we swapped out
-         * and back, and our host TLB entries got evicted).
-         */
-        struct tlbe_ref *tlb_refs[E500_TLB_NUM];
         unsigned int host_tlb1_nv;
 
         u32 svr;
diff --git a/arch/powerpc/kvm/e500_mmu_host.c b/arch/powerpc/kvm/e500_mmu_host.c
index a222edfb9a9b..1c6a9d729df4 100644
--- a/arch/powerpc/kvm/e500_mmu_host.c
+++ b/arch/powerpc/kvm/e500_mmu_host.c
@@ -193,8 +193,11 @@ void inval_gtlbe_on_host(struct kvmppc_vcpu_e500 *vcpu_e500, int tlbsel,
         struct tlbe_ref *ref = &vcpu_e500->gtlb_priv[tlbsel][esel].ref;
 
         /* Don't bother with unmapped entries */
-        if (!(ref->flags & E500_TLB_VALID))
-                return;
+        if (!(ref->flags & E500_TLB_VALID)) {
+                WARN(ref->flags & (E500_TLB_BITMAP | E500_TLB_TLB0),
+                     "%s: flags %x\n", __func__, ref->flags);
+                WARN_ON(tlbsel == 1 && vcpu_e500->g2h_tlb1_map[esel]);
+        }
 
         if (tlbsel == 1 && ref->flags & E500_TLB_BITMAP) {
                 u64 tmp = vcpu_e500->g2h_tlb1_map[esel];
@@ -248,7 +251,7 @@ static inline void kvmppc_e500_ref_setup(struct tlbe_ref *ref,
                                          pfn_t pfn)
 {
         ref->pfn = pfn;
-        ref->flags = E500_TLB_VALID;
+        ref->flags |= E500_TLB_VALID;
 
         if (tlbe_is_writable(gtlbe))
                 kvm_set_pfn_dirty(pfn);
@@ -257,6 +260,7 @@ static inline void kvmppc_e500_ref_setup(struct tlbe_ref *ref,
 static inline void kvmppc_e500_ref_release(struct tlbe_ref *ref)
 {
         if (ref->flags & E500_TLB_VALID) {
+                /* FIXME: don't log bogus pfn for TLB1 */
                 trace_kvm_booke206_ref_release(ref->pfn, ref->flags);
                 ref->flags = 0;
         }
@@ -274,36 +278,23 @@ static void clear_tlb1_bitmap(struct kvmppc_vcpu_e500 *vcpu_e500)
 
 static void clear_tlb_privs(struct kvmppc_vcpu_e500 *vcpu_e500)
 {
-        int tlbsel = 0;
-        int i;
-
-        for (i = 0; i < vcpu_e500->gtlb_params[tlbsel].entries; i++) {
-                struct tlbe_ref *ref =
-                        &vcpu_e500->gtlb_priv[tlbsel][i].ref;
-                kvmppc_e500_ref_release(ref);
-        }
-}
-
-static void clear_tlb_refs(struct kvmppc_vcpu_e500 *vcpu_e500)
-{
-        int stlbsel = 1;
+        int tlbsel;
         int i;
 
-        kvmppc_e500_tlbil_all(vcpu_e500);
-
-        for (i = 0; i < host_tlb_params[stlbsel].entries; i++) {
-                struct tlbe_ref *ref =
-                        &vcpu_e500->tlb_refs[stlbsel][i];
-                kvmppc_e500_ref_release(ref);
+        for (tlbsel = 0; tlbsel <= 1; tlbsel++) {
+                for (i = 0; i < vcpu_e500->gtlb_params[tlbsel].entries; i++) {
+                        struct tlbe_ref *ref =
+                                &vcpu_e500->gtlb_priv[tlbsel][i].ref;
+                        kvmppc_e500_ref_release(ref);
+                }
         }
-
-        clear_tlb_privs(vcpu_e500);
 }
 
 void kvmppc_core_flush_tlb(struct kvm_vcpu *vcpu)
 {
         struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
-        clear_tlb_refs(vcpu_e500);
+        kvmppc_e500_tlbil_all(vcpu_e500);
+        clear_tlb_privs(vcpu_e500);
         clear_tlb1_bitmap(vcpu_e500);
 }
 
@@ -458,8 +449,6 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500,
                 gvaddr &= ~((tsize_pages << PAGE_SHIFT) - 1);
         }
 
-        /* Drop old ref and setup new one. */
-        kvmppc_e500_ref_release(ref);
         kvmppc_e500_ref_setup(ref, gtlbe, pfn);
 
         kvmppc_e500_setup_stlbe(&vcpu_e500->vcpu, gtlbe, tsize,
@@ -507,14 +496,15 @@ static int kvmppc_e500_tlb1_map_tlb1(struct kvmppc_vcpu_e500 *vcpu_e500,
         if (unlikely(vcpu_e500->host_tlb1_nv >= tlb1_max_shadow_size()))
                 vcpu_e500->host_tlb1_nv = 0;
 
-        vcpu_e500->tlb_refs[1][sesel] = *ref;
-        vcpu_e500->g2h_tlb1_map[esel] |= (u64)1 << sesel;
-        vcpu_e500->gtlb_priv[1][esel].ref.flags |= E500_TLB_BITMAP;
         if (vcpu_e500->h2g_tlb1_rmap[sesel]) {
-                unsigned int idx = vcpu_e500->h2g_tlb1_rmap[sesel];
+                unsigned int idx = vcpu_e500->h2g_tlb1_rmap[sesel] - 1;
                 vcpu_e500->g2h_tlb1_map[idx] &= ~(1ULL << sesel);
         }
-        vcpu_e500->h2g_tlb1_rmap[sesel] = esel;
+
+        vcpu_e500->gtlb_priv[1][esel].ref.flags |= E500_TLB_BITMAP;
+        vcpu_e500->g2h_tlb1_map[esel] |= (u64)1 << sesel;
+        vcpu_e500->h2g_tlb1_rmap[sesel] = esel + 1;
+        WARN_ON(!(ref->flags & E500_TLB_VALID));
 
         return sesel;
 }
@@ -526,13 +516,12 @@ static int kvmppc_e500_tlb1_map(struct kvmppc_vcpu_e500 *vcpu_e500,
                 u64 gvaddr, gfn_t gfn, struct kvm_book3e_206_tlb_entry *gtlbe,
                 struct kvm_book3e_206_tlb_entry *stlbe, int esel)
 {
-        struct tlbe_ref ref;
+        struct tlbe_ref *ref = &vcpu_e500->gtlb_priv[1][esel].ref;
         int sesel;
         int r;
 
-        ref.flags = 0;
         r = kvmppc_e500_shadow_map(vcpu_e500, gvaddr, gfn, gtlbe, 1, stlbe,
-                                   &ref);
+                                   ref);
         if (r)
                 return r;
 
@@ -544,7 +533,7 @@ static int kvmppc_e500_tlb1_map(struct kvmppc_vcpu_e500 *vcpu_e500,
         }
 
         /* Otherwise map into TLB1 */
-        sesel = kvmppc_e500_tlb1_map_tlb1(vcpu_e500, &ref, esel);
+        sesel = kvmppc_e500_tlb1_map_tlb1(vcpu_e500, ref, esel);
         write_stlbe(vcpu_e500, gtlbe, stlbe, 1, sesel);
 
         return 0;
@@ -565,7 +554,7 @@ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 eaddr, gpa_t gpaddr,
         case 0:
                 priv = &vcpu_e500->gtlb_priv[tlbsel][esel];
 
-                /* Triggers after clear_tlb_refs or on initial mapping */
+                /* Triggers after clear_tlb_privs or on initial mapping */
                 if (!(priv->ref.flags & E500_TLB_VALID)) {
                         kvmppc_e500_tlb0_map(vcpu_e500, esel, &stlbe);
                 } else {
@@ -665,35 +654,16 @@ int e500_mmu_host_init(struct kvmppc_vcpu_e500 *vcpu_e500)
                 host_tlb_params[0].entries / host_tlb_params[0].ways;
         host_tlb_params[1].sets = 1;
 
-        vcpu_e500->tlb_refs[0] =
-                kzalloc(sizeof(struct tlbe_ref) * host_tlb_params[0].entries,
-                        GFP_KERNEL);
-        if (!vcpu_e500->tlb_refs[0])
-                goto err;
-
-        vcpu_e500->tlb_refs[1] =
-                kzalloc(sizeof(struct tlbe_ref) * host_tlb_params[1].entries,
-                        GFP_KERNEL);
-        if (!vcpu_e500->tlb_refs[1])
-                goto err;
-
         vcpu_e500->h2g_tlb1_rmap = kzalloc(sizeof(unsigned int) *
                                            host_tlb_params[1].entries,
                                            GFP_KERNEL);
         if (!vcpu_e500->h2g_tlb1_rmap)
-                goto err;
+                return -EINVAL;
 
         return 0;
-
-err:
-        kfree(vcpu_e500->tlb_refs[0]);
-        kfree(vcpu_e500->tlb_refs[1]);
-        return -EINVAL;
 }
 
 void e500_mmu_host_uninit(struct kvmppc_vcpu_e500 *vcpu_e500)
 {
         kfree(vcpu_e500->h2g_tlb1_rmap);
-        kfree(vcpu_e500->tlb_refs[0]);
-        kfree(vcpu_e500->tlb_refs[1]);
 }
diff --git a/arch/powerpc/kvm/e500mc.c b/arch/powerpc/kvm/e500mc.c
index 1f89d26e65fb..2f4baa074b2e 100644
--- a/arch/powerpc/kvm/e500mc.c
+++ b/arch/powerpc/kvm/e500mc.c
@@ -108,6 +108,8 @@ void kvmppc_mmu_msr_notify(struct kvm_vcpu *vcpu, u32 old_msr)
 {
 }
 
+static DEFINE_PER_CPU(struct kvm_vcpu *, last_vcpu_on_cpu);
+
 void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 {
         struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
@@ -136,8 +138,11 @@ void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
         mtspr(SPRN_GDEAR, vcpu->arch.shared->dar);
         mtspr(SPRN_GESR, vcpu->arch.shared->esr);
 
-        if (vcpu->arch.oldpir != mfspr(SPRN_PIR))
+        if (vcpu->arch.oldpir != mfspr(SPRN_PIR) ||
+            __get_cpu_var(last_vcpu_on_cpu) != vcpu) {
                 kvmppc_e500_tlbil_all(vcpu_e500);
+                __get_cpu_var(last_vcpu_on_cpu) = vcpu;
+        }
 
         kvmppc_load_guest_fp(vcpu);
 }
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 0da39fed355a..299731e9036b 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -186,7 +186,13 @@ static long pSeries_lpar_hpte_remove(unsigned long hpte_group)
                                            (0x1UL << 4), &dummy1, &dummy2);
                 if (lpar_rc == H_SUCCESS)
                         return i;
-                BUG_ON(lpar_rc != H_NOT_FOUND);
+
+                /*
+                 * The test for adjunct partition is performed before the
+                 * ANDCOND test.  H_RESOURCE may be returned, so we need to
+                 * check for that as well.
+                 */
+                BUG_ON(lpar_rc != H_NOT_FOUND && lpar_rc != H_RESOURCE);
 
                 slot_offset++;
                 slot_offset &= 0x7;
diff --git a/arch/s390/include/asm/io.h b/arch/s390/include/asm/io.h
index 27cb32185ce1..379d96e2105e 100644
--- a/arch/s390/include/asm/io.h
+++ b/arch/s390/include/asm/io.h
@@ -50,10 +50,6 @@ void unxlate_dev_mem_ptr(unsigned long phys, void *addr);
 #define ioremap_nocache(addr, size)     ioremap(addr, size)
 #define ioremap_wc                      ioremap_nocache
 
-/* TODO: s390 cannot support io_remap_pfn_range... */
-#define io_remap_pfn_range(vma, vaddr, pfn, size, prot)                \
-        remap_pfn_range(vma, vaddr, pfn, size, prot)
-
 static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
 {
         return (void __iomem *) offset;
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 4a2930844d43..3cb47cf02530 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -57,6 +57,10 @@ extern unsigned long zero_page_mask;
          (((unsigned long)(vaddr)) &zero_page_mask))))
 #define __HAVE_COLOR_ZERO_PAGE
 
+/* TODO: s390 cannot support io_remap_pfn_range... */
+#define io_remap_pfn_range(vma, vaddr, pfn, size, prot)                \
+        remap_pfn_range(vma, vaddr, pfn, size, prot)
+
 #endif /* !__ASSEMBLY__ */
 
 /*
@@ -344,6 +348,7 @@ extern unsigned long MODULES_END;
 #define _REGION3_ENTRY_CO       0x100   /* change-recording override        */
 
 /* Bits in the segment table entry */
+#define _SEGMENT_ENTRY_ORIGIN_LARGE ~0xfffffUL /* large page address        */
 #define _SEGMENT_ENTRY_ORIGIN   ~0x7ffUL/* segment table origin             */
 #define _SEGMENT_ENTRY_RO       0x200   /* page protection bit              */
 #define _SEGMENT_ENTRY_INV      0x20    /* invalid segment table entry      */
@@ -1531,7 +1536,8 @@ extern int s390_enable_sie(void);
 /*
  * No page table caches to initialise
  */
-#define pgtable_cache_init()    do { } while (0)
+static inline void pgtable_cache_init(void) { }
+static inline void check_pgt_cache(void) { }
 
 #include <asm-generic/pgtable.h>
 
diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c
index dff631d34b45..466fb3383960 100644
--- a/arch/s390/lib/uaccess_pt.c
+++ b/arch/s390/lib/uaccess_pt.c
@@ -77,42 +77,69 @@ static size_t copy_in_kernel(size_t count, void __user *to,
  * >= -4095 (IS_ERR_VALUE(x) returns true), a fault has occured and the address
  * contains the (negative) exception code.
  */
-static __always_inline unsigned long follow_table(struct mm_struct *mm,
-                                                  unsigned long addr, int write)
+#ifdef CONFIG_64BIT
+static unsigned long follow_table(struct mm_struct *mm,
+                                  unsigned long address, int write)
 {
-        pgd_t *pgd;
-        pud_t *pud;
-        pmd_t *pmd;
-        pte_t *ptep;
+        unsigned long *table = (unsigned long *)__pa(mm->pgd);
+
+        switch (mm->context.asce_bits & _ASCE_TYPE_MASK) {
+        case _ASCE_TYPE_REGION1:
+                table = table + ((address >> 53) & 0x7ff);
+                if (unlikely(*table & _REGION_ENTRY_INV))
+                        return -0x39UL;
+                table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
+        case _ASCE_TYPE_REGION2:
+                table = table + ((address >> 42) & 0x7ff);
+                if (unlikely(*table & _REGION_ENTRY_INV))
+                        return -0x3aUL;
+                table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
+        case _ASCE_TYPE_REGION3:
+                table = table + ((address >> 31) & 0x7ff);
+                if (unlikely(*table & _REGION_ENTRY_INV))
+                        return -0x3bUL;
+                table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
+        case _ASCE_TYPE_SEGMENT:
+                table = table + ((address >> 20) & 0x7ff);
+                if (unlikely(*table & _SEGMENT_ENTRY_INV))
+                        return -0x10UL;
+                if (unlikely(*table & _SEGMENT_ENTRY_LARGE)) {
+                        if (write && (*table & _SEGMENT_ENTRY_RO))
+                                return -0x04UL;
+                        return (*table & _SEGMENT_ENTRY_ORIGIN_LARGE) +
+                                (address & ~_SEGMENT_ENTRY_ORIGIN_LARGE);
+                }
+                table = (unsigned long *)(*table & _SEGMENT_ENTRY_ORIGIN);
+        }
+        table = table + ((address >> 12) & 0xff);
+        if (unlikely(*table & _PAGE_INVALID))
+                return -0x11UL;
+        if (write && (*table & _PAGE_RO))
+                return -0x04UL;
+        return (*table & PAGE_MASK) + (address & ~PAGE_MASK);
+}
 
-        pgd = pgd_offset(mm, addr);
-        if (pgd_none(*pgd) || unlikely(pgd_bad(*pgd)))
-                return -0x3aUL;
+#else /* CONFIG_64BIT */
 
-        pud = pud_offset(pgd, addr);
-        if (pud_none(*pud) || unlikely(pud_bad(*pud)))
-                return -0x3bUL;
+static unsigned long follow_table(struct mm_struct *mm,
+                                  unsigned long address, int write)
+{
+        unsigned long *table = (unsigned long *)__pa(mm->pgd);
 
-        pmd = pmd_offset(pud, addr);
-        if (pmd_none(*pmd))
+        table = table + ((address >> 20) & 0x7ff);
+        if (unlikely(*table & _SEGMENT_ENTRY_INV))
                 return -0x10UL;
-        if (pmd_large(*pmd)) {
-                if (write && (pmd_val(*pmd) & _SEGMENT_ENTRY_RO))
-                        return -0x04UL;
-                return (pmd_val(*pmd) & HPAGE_MASK) + (addr & ~HPAGE_MASK);
-        }
-        if (unlikely(pmd_bad(*pmd)))
-                return -0x10UL;
-
-        ptep = pte_offset_map(pmd, addr);
-        if (!pte_present(*ptep))
+        table = (unsigned long *)(*table & _SEGMENT_ENTRY_ORIGIN);
+        table = table + ((address >> 12) & 0xff);
+        if (unlikely(*table & _PAGE_INVALID))
                 return -0x11UL;
-        if (write && (!pte_write(*ptep) || !pte_dirty(*ptep)))
+        if (write && (*table & _PAGE_RO))
                 return -0x04UL;
-
-        return (pte_val(*ptep) & PAGE_MASK) + (addr & ~PAGE_MASK);
+        return (*table & PAGE_MASK) + (address & ~PAGE_MASK);
 }
 
+#endif /* CONFIG_64BIT */
+
 static __always_inline size_t __user_copy_pt(unsigned long uaddr, void *kptr,
                                              size_t n, int write_user)
 {
@@ -197,7 +224,7 @@ size_t copy_to_user_pt(size_t n, void __user *to, const void *from)
 
 static size_t clear_user_pt(size_t n, void __user *to)
 {
-        void *zpage = &empty_zero_page;
+        void *zpage = (void *) empty_zero_page;
         long done, size, ret;
 
         done = 0;
diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild
index e26d430ce2fd..ff18e3cfb6b1 100644
--- a/arch/sparc/include/asm/Kbuild
+++ b/arch/sparc/include/asm/Kbuild
@@ -2,11 +2,16 @@
 
 
 generic-y += clkdev.h
+generic-y += cputime.h
 generic-y += div64.h
+generic-y += emergency-restart.h
 generic-y += exec.h
 generic-y += local64.h
+generic-y += mutex.h
 generic-y += irq_regs.h
 generic-y += local.h
 generic-y += module.h
+generic-y += serial.h
 generic-y += trace_clock.h
+generic-y += types.h
 generic-y += word-at-a-time.h
diff --git a/arch/sparc/include/asm/cputime.h b/arch/sparc/include/asm/cputime.h
deleted file mode 100644
index 1a642b81e019..000000000000
--- a/arch/sparc/include/asm/cputime.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __SPARC_CPUTIME_H
-#define __SPARC_CPUTIME_H
-
-#include <asm-generic/cputime.h>
-
-#endif /* __SPARC_CPUTIME_H */
diff --git a/arch/sparc/include/asm/emergency-restart.h b/arch/sparc/include/asm/emergency-restart.h
deleted file mode 100644
index 108d8c48e42e..000000000000
--- a/arch/sparc/include/asm/emergency-restart.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _ASM_EMERGENCY_RESTART_H
-#define _ASM_EMERGENCY_RESTART_H
-
-#include <asm-generic/emergency-restart.h>
-
-#endif /* _ASM_EMERGENCY_RESTART_H */
diff --git a/arch/sparc/include/asm/mutex.h b/arch/sparc/include/asm/mutex.h
deleted file mode 100644
index 458c1f7fbc18..000000000000
--- a/arch/sparc/include/asm/mutex.h
+++ /dev/null
@@ -1,9 +0,0 @@
-/*
- * Pull in the generic implementation for the mutex fastpath.
- *
- * TODO: implement optimized primitives instead, or leave the generic
- * implementation in place, or pick the atomic_xchg() based generic
- * implementation. (see asm-generic/mutex-xchg.h for details)
- */
-
-#include <asm-generic/mutex-dec.h>
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index 08fcce90316b..7619f2f792af 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -915,6 +915,7 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma,
         return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot);
 }
 
+#include <asm/tlbflush.h>
 #include <asm-generic/pgtable.h>
 
 /* We provide our own get_unmapped_area to cope with VA holes and
diff --git a/arch/sparc/include/asm/serial.h b/arch/sparc/include/asm/serial.h
deleted file mode 100644
index f90d61c28059..000000000000
--- a/arch/sparc/include/asm/serial.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __SPARC_SERIAL_H
-#define __SPARC_SERIAL_H
-
-#define BASE_BAUD ( 1843200 / 16 )
-
-#endif /* __SPARC_SERIAL_H */
diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h
index b73da3c5f10a..3c8917f054de 100644
--- a/arch/sparc/include/asm/smp_32.h
+++ b/arch/sparc/include/asm/smp_32.h
@@ -36,7 +36,6 @@ typedef void (*smpfunc_t)(unsigned long, unsigned long, unsigned long,
                        unsigned long, unsigned long);
 
 void cpu_panic(void);
-extern void smp4m_irq_rotate(int cpu);
 
 /*
  *      General functions that each host system must provide.
@@ -46,7 +45,6 @@ void sun4m_init_smp(void);
 void sun4d_init_smp(void);
 
 void smp_callin(void);
-void smp_boot_cpus(void);
 void smp_store_cpu_info(int);
 
 void smp_resched_interrupt(void);
@@ -107,9 +105,6 @@ extern int hard_smp_processor_id(void);
 
 #define raw_smp_processor_id()          (current_thread_info()->cpu)
 
-#define prof_multiplier(__cpu)          cpu_data(__cpu).multiplier
-#define prof_counter(__cpu)             cpu_data(__cpu).counter
-
 void smp_setup_cpu_possible_map(void);
 
 #endif /* !(__ASSEMBLY__) */
diff --git a/arch/sparc/include/asm/switch_to_64.h b/arch/sparc/include/asm/switch_to_64.h
index cad36f56fa03..c7de3323819c 100644
--- a/arch/sparc/include/asm/switch_to_64.h
+++ b/arch/sparc/include/asm/switch_to_64.h
@@ -18,8 +18,7 @@ do {						\
          * and 2 stores in this critical code path.  -DaveM
          */
 #define switch_to(prev, next, last)                                     \
-do {    flush_tlb_pending();                                            \
-        save_and_clear_fpu();                                           \
+do {    save_and_clear_fpu();                                           \
         /* If you are tempted to conditionalize the following */        \
         /* so that ASI is only written if it changes, think again. */   \
         __asm__ __volatile__("wr %%g0, %0, %%asi"                       \
diff --git a/arch/sparc/include/asm/tlbflush_64.h b/arch/sparc/include/asm/tlbflush_64.h
index 2ef463494153..f0d6a9700f4c 100644
--- a/arch/sparc/include/asm/tlbflush_64.h
+++ b/arch/sparc/include/asm/tlbflush_64.h
@@ -11,24 +11,40 @@
 struct tlb_batch {
         struct mm_struct *mm;
         unsigned long tlb_nr;
+        unsigned long active;
         unsigned long vaddrs[TLB_BATCH_NR];
 };
 
 extern void flush_tsb_kernel_range(unsigned long start, unsigned long end);
 extern void flush_tsb_user(struct tlb_batch *tb);
+extern void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr);
 
 /* TLB flush operations. */
 
-extern void flush_tlb_pending(void);
+static inline void flush_tlb_mm(struct mm_struct *mm)
+{
+}
+
+static inline void flush_tlb_page(struct vm_area_struct *vma,
+                                  unsigned long vmaddr)
+{
+}
+
+static inline void flush_tlb_range(struct vm_area_struct *vma,
+                                   unsigned long start, unsigned long end)
+{
+}
+
+#define __HAVE_ARCH_ENTER_LAZY_MMU_MODE
 
-#define flush_tlb_range(vma,start,end)  \
-        do { (void)(start); flush_tlb_pending(); } while (0)
-#define flush_tlb_page(vma,addr)        flush_tlb_pending()
-#define flush_tlb_mm(mm)                flush_tlb_pending()
+extern void flush_tlb_pending(void);
+extern void arch_enter_lazy_mmu_mode(void);
+extern void arch_leave_lazy_mmu_mode(void);
+#define arch_flush_lazy_mmu_mode()      do {} while (0)
 
 /* Local cpu only.  */
 extern void __flush_tlb_all(void);
-
+extern void __flush_tlb_page(unsigned long context, unsigned long vaddr);
 extern void __flush_tlb_kernel_range(unsigned long start, unsigned long end);
 
 #ifndef CONFIG_SMP
@@ -38,15 +54,24 @@ do {	flush_tsb_kernel_range(start,end); \
         __flush_tlb_kernel_range(start,end); \
 } while (0)
 
+static inline void global_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr)
+{
+        __flush_tlb_page(CTX_HWBITS(mm->context), vaddr);
+}
+
 #else /* CONFIG_SMP */
 
 extern void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end);
+extern void smp_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr);
 
 #define flush_tlb_kernel_range(start, end) \
 do {    flush_tsb_kernel_range(start,end); \
         smp_flush_tlb_kernel_range(start, end); \
 } while (0)
 
+#define global_flush_tlb_page(mm, vaddr) \
+        smp_flush_tlb_page(mm, vaddr)
+
 #endif /* ! CONFIG_SMP */
 
 #endif /* _SPARC64_TLBFLUSH_H */
diff --git a/arch/sparc/include/uapi/asm/Kbuild b/arch/sparc/include/uapi/asm/Kbuild
index ce175aff71b7..b5843ee09fb5 100644
--- a/arch/sparc/include/uapi/asm/Kbuild
+++ b/arch/sparc/include/uapi/asm/Kbuild
@@ -44,7 +44,6 @@ header-y += swab.h
 header-y += termbits.h
 header-y += termios.h
 header-y += traps.h
-header-y += types.h
 header-y += uctx.h
 header-y += unistd.h
 header-y += utrap.h
diff --git a/arch/sparc/include/uapi/asm/types.h b/arch/sparc/include/uapi/asm/types.h
deleted file mode 100644
index 383d156cde9c..000000000000
--- a/arch/sparc/include/uapi/asm/types.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef _SPARC_TYPES_H
-#define _SPARC_TYPES_H
-/*
- * This file is never included by application software unless
- * explicitly requested (e.g., via linux/types.h) in which case the
- * application is Linux specific so (user-) name space pollution is
- * not a major issue.  However, for interoperability, libraries still
- * need to be careful to avoid a name clashes.
- */
-
-#if defined(__sparc__)
-
-#include <asm-generic/int-ll64.h>
-
-#endif /* defined(__sparc__) */
-
-#endif /* defined(_SPARC_TYPES_H) */
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 537eb66abd06..ca64d2a86ec0 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -849,7 +849,7 @@ void smp_tsb_sync(struct mm_struct *mm)
 }
 
 extern unsigned long xcall_flush_tlb_mm;
-extern unsigned long xcall_flush_tlb_pending;
+extern unsigned long xcall_flush_tlb_page;
 extern unsigned long xcall_flush_tlb_kernel_range;
 extern unsigned long xcall_fetch_glob_regs;
 extern unsigned long xcall_fetch_glob_pmu;
@@ -1074,23 +1074,56 @@ local_flush_and_out:
         put_cpu();
 }
 
+struct tlb_pending_info {
+        unsigned long ctx;
+        unsigned long nr;
+        unsigned long *vaddrs;
+};
+
+static void tlb_pending_func(void *info)
+{
+        struct tlb_pending_info *t = info;
+
+        __flush_tlb_pending(t->ctx, t->nr, t->vaddrs);
+}
+
 void smp_flush_tlb_pending(struct mm_struct *mm, unsigned long nr, unsigned long *vaddrs)
 {
         u32 ctx = CTX_HWBITS(mm->context);
+        struct tlb_pending_info info;
         int cpu = get_cpu();
 
+        info.ctx = ctx;
+        info.nr = nr;
+        info.vaddrs = vaddrs;
+
         if (mm == current->mm && atomic_read(&mm->mm_users) == 1)
                 cpumask_copy(mm_cpumask(mm), cpumask_of(cpu));
         else
-                smp_cross_call_masked(&xcall_flush_tlb_pending,
-                                      ctx, nr, (unsigned long) vaddrs,
-                                      mm_cpumask(mm));
+                smp_call_function_many(mm_cpumask(mm), tlb_pending_func,
+                                       &info, 1);
 
         __flush_tlb_pending(ctx, nr, vaddrs);
 
         put_cpu();
 }
 
+void smp_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr)
+{
+        unsigned long context = CTX_HWBITS(mm->context);
+        int cpu = get_cpu();
+
+        if (mm == current->mm && atomic_read(&mm->mm_users) == 1)
+                cpumask_copy(mm_cpumask(mm), cpumask_of(cpu));
+        else
+                smp_cross_call_masked(&xcall_flush_tlb_page,
+                                      context, vaddr, 0,
+                                      mm_cpumask(mm));
+        __flush_tlb_page(context, vaddr);
+
+        put_cpu();
+}
+
 void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end)
 {
         start &= PAGE_MASK;
diff --git a/arch/sparc/lib/bitext.c b/arch/sparc/lib/bitext.c
index 48d00e72ce15..8ec4e9c0251a 100644
--- a/arch/sparc/lib/bitext.c
+++ b/arch/sparc/lib/bitext.c
@@ -119,11 +119,7 @@ void bit_map_clear(struct bit_map *t, int offset, int len)
 
 void bit_map_init(struct bit_map *t, unsigned long *map, int size)
 {
-
-        if ((size & 07) != 0)
-                BUG();
-        memset(map, 0, size>>3);
-
+        bitmap_zero(map, size);
         memset(t, 0, sizeof *t);
         spin_lock_init(&t->lock);
         t->map = map;
diff --git a/arch/sparc/mm/iommu.c b/arch/sparc/mm/iommu.c
index 0f4f7191fbba..28f96f27c768 100644
--- a/arch/sparc/mm/iommu.c
+++ b/arch/sparc/mm/iommu.c
@@ -34,7 +34,7 @@
 #define IOMMU_RNGE      IOMMU_RNGE_256MB
 #define IOMMU_START     0xF0000000
 #define IOMMU_WINSIZE   (256*1024*1024U)
-#define IOMMU_NPTES     (IOMMU_WINSIZE/PAGE_SIZE)       /* 64K PTEs, 265KB */
+#define IOMMU_NPTES     (IOMMU_WINSIZE/PAGE_SIZE)       /* 64K PTEs, 256KB */
 #define IOMMU_ORDER     6                               /* 4096 * (1<<6) */
 
 /* srmmu.c */
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index c38bb72e3e80..036c2797dece 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -280,7 +280,9 @@ static void __init srmmu_nocache_init(void)
                 SRMMU_NOCACHE_ALIGN_MAX, 0UL);
         memset(srmmu_nocache_pool, 0, srmmu_nocache_size);
 
-        srmmu_nocache_bitmap = __alloc_bootmem(bitmap_bits >> 3, SMP_CACHE_BYTES, 0UL);
+        srmmu_nocache_bitmap =
+                __alloc_bootmem(BITS_TO_LONGS(bitmap_bits) * sizeof(long),
+                                SMP_CACHE_BYTES, 0UL);
         bit_map_init(&srmmu_nocache_map, srmmu_nocache_bitmap, bitmap_bits);
 
         srmmu_swapper_pg_dir = __srmmu_get_nocache(SRMMU_PGD_TABLE_SIZE, SRMMU_PGD_TABLE_SIZE);
diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c
index ba6ae7ffdc2c..83d89bcb44af 100644
--- a/arch/sparc/mm/tlb.c
+++ b/arch/sparc/mm/tlb.c
@@ -24,11 +24,17 @@ static DEFINE_PER_CPU(struct tlb_batch, tlb_batch);
 void flush_tlb_pending(void)
 {
         struct tlb_batch *tb = &get_cpu_var(tlb_batch);
+        struct mm_struct *mm = tb->mm;
 
-        if (tb->tlb_nr) {
-                flush_tsb_user(tb);
+        if (!tb->tlb_nr)
+                goto out;
 
-                if (CTX_VALID(tb->mm->context)) {
+        flush_tsb_user(tb);
+
+        if (CTX_VALID(mm->context)) {
+                if (tb->tlb_nr == 1) {
+                        global_flush_tlb_page(mm, tb->vaddrs[0]);
+                } else {
 #ifdef CONFIG_SMP
                         smp_flush_tlb_pending(tb->mm, tb->tlb_nr,
                                               &tb->vaddrs[0]);
@@ -37,12 +43,30 @@ void flush_tlb_pending(void)
                                             tb->tlb_nr, &tb->vaddrs[0]);
 #endif
                 }
-                tb->tlb_nr = 0;
         }
 
+        tb->tlb_nr = 0;
+
+out:
         put_cpu_var(tlb_batch);
 }
 
+void arch_enter_lazy_mmu_mode(void)
+{
+        struct tlb_batch *tb = &__get_cpu_var(tlb_batch);
+
+        tb->active = 1;
+}
+
+void arch_leave_lazy_mmu_mode(void)
+{
+        struct tlb_batch *tb = &__get_cpu_var(tlb_batch);
+
+        if (tb->tlb_nr)
+                flush_tlb_pending();
+        tb->active = 0;
+}
+
 static void tlb_batch_add_one(struct mm_struct *mm, unsigned long vaddr,
                               bool exec)
 {
@@ -60,6 +84,12 @@ static void tlb_batch_add_one(struct mm_struct *mm, unsigned long vaddr,
                 nr = 0;
         }
 
+        if (!tb->active) {
+                global_flush_tlb_page(mm, vaddr);
+                flush_tsb_user_page(mm, vaddr);
+                goto out;
+        }
+
         if (nr == 0)
                 tb->mm = mm;
 
@@ -68,6 +98,7 @@ static void tlb_batch_add_one(struct mm_struct *mm, unsigned long vaddr,
         if (nr >= TLB_BATCH_NR)
                 flush_tlb_pending();
 
+out:
         put_cpu_var(tlb_batch);
 }
 
diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c
index 428982b9becf..2cc3bce5ee91 100644
--- a/arch/sparc/mm/tsb.c
+++ b/arch/sparc/mm/tsb.c
@@ -7,11 +7,10 @@
 #include <linux/preempt.h>
 #include <linux/slab.h>
 #include <asm/page.h>
-#include <asm/tlbflush.h>
-#include <asm/tlb.h>
-#include <asm/mmu_context.h>
 #include <asm/pgtable.h>
+#include <asm/mmu_context.h>
 #include <asm/tsb.h>
+#include <asm/tlb.h>
 #include <asm/oplib.h>
 
 extern struct tsb swapper_tsb[KERNEL_TSB_NENTRIES];
@@ -46,23 +45,27 @@ void flush_tsb_kernel_range(unsigned long start, unsigned long end)
         }
 }
 
-static void __flush_tsb_one(struct tlb_batch *tb, unsigned long hash_shift,
-                            unsigned long tsb, unsigned long nentries)
+static void __flush_tsb_one_entry(unsigned long tsb, unsigned long v,
+                                  unsigned long hash_shift,
+                                  unsigned long nentries)
 {
-        unsigned long i;
+        unsigned long tag, ent, hash;
 
-        for (i = 0; i < tb->tlb_nr; i++) {
-                unsigned long v = tb->vaddrs[i];
-                unsigned long tag, ent, hash;
+        v &= ~0x1UL;
+        hash = tsb_hash(v, hash_shift, nentries);
+        ent = tsb + (hash * sizeof(struct tsb));
+        tag = (v >> 22UL);
 
-                v &= ~0x1UL;
+        tsb_flush(ent, tag);
+}
 
-                hash = tsb_hash(v, hash_shift, nentries);
-                ent = tsb + (hash * sizeof(struct tsb));
-                tag = (v >> 22UL);
+static void __flush_tsb_one(struct tlb_batch *tb, unsigned long hash_shift,
+                            unsigned long tsb, unsigned long nentries)
+{
+        unsigned long i;
 
-                tsb_flush(ent, tag);
-        }
+        for (i = 0; i < tb->tlb_nr; i++)
+                __flush_tsb_one_entry(tsb, tb->vaddrs[i], hash_shift, nentries);
 }
 
 void flush_tsb_user(struct tlb_batch *tb)
@@ -90,6 +93,30 @@ void flush_tsb_user(struct tlb_batch *tb)
         spin_unlock_irqrestore(&mm->context.lock, flags);
 }
 
+void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr)
+{
+        unsigned long nentries, base, flags;
+
+        spin_lock_irqsave(&mm->context.lock, flags);
+
+        base = (unsigned long) mm->context.tsb_block[MM_TSB_BASE].tsb;
+        nentries = mm->context.tsb_block[MM_TSB_BASE].tsb_nentries;
+        if (tlb_type == cheetah_plus || tlb_type == hypervisor)
+                base = __pa(base);
+        __flush_tsb_one_entry(base, vaddr, PAGE_SHIFT, nentries);
+
+#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
+        if (mm->context.tsb_block[MM_TSB_HUGE].tsb) {
+                base = (unsigned long) mm->context.tsb_block[MM_TSB_HUGE].tsb;
+                nentries = mm->context.tsb_block[MM_TSB_HUGE].tsb_nentries;
+                if (tlb_type == cheetah_plus || tlb_type == hypervisor)
+                        base = __pa(base);
+                __flush_tsb_one_entry(base, vaddr, HPAGE_SHIFT, nentries);
+        }
+#endif
+        spin_unlock_irqrestore(&mm->context.lock, flags);
+}
+
 #define HV_PGSZ_IDX_BASE        HV_PGSZ_IDX_8K
 #define HV_PGSZ_MASK_BASE       HV_PGSZ_MASK_8K
 
diff --git a/arch/sparc/mm/ultra.S b/arch/sparc/mm/ultra.S
index f8e13d421fcb..432aa0cb1b38 100644
--- a/arch/sparc/mm/ultra.S
+++ b/arch/sparc/mm/ultra.S
@@ -53,6 +53,33 @@ __flush_tlb_mm:		/* 18 insns */
         nop
 
         .align          32
+        .globl          __flush_tlb_page
+__flush_tlb_page:       /* 22 insns */
+        /* %o0 = context, %o1 = vaddr */
+        rdpr            %pstate, %g7
+        andn            %g7, PSTATE_IE, %g2
+        wrpr            %g2, %pstate
+        mov             SECONDARY_CONTEXT, %o4
+        ldxa            [%o4] ASI_DMMU, %g2
+        stxa            %o0, [%o4] ASI_DMMU
+        andcc           %o1, 1, %g0
+        andn            %o1, 1, %o3
+        be,pn           %icc, 1f
+         or             %o3, 0x10, %o3
+        stxa            %g0, [%o3] ASI_IMMU_DEMAP
+1:      stxa            %g0, [%o3] ASI_DMMU_DEMAP
+        membar          #Sync
+        stxa            %g2, [%o4] ASI_DMMU
+        sethi           %hi(KERNBASE), %o4
+        flush           %o4
+        retl
+         wrpr           %g7, 0x0, %pstate
+        nop
+        nop
+        nop
+        nop
+
+        .align          32
         .globl          __flush_tlb_pending
 __flush_tlb_pending:    /* 26 insns */
         /* %o0 = context, %o1 = nr, %o2 = vaddrs[] */
@@ -203,6 +230,31 @@ __cheetah_flush_tlb_mm: /* 19 insns */
         retl
          wrpr           %g7, 0x0, %pstate
 
+__cheetah_flush_tlb_page:       /* 22 insns */
+        /* %o0 = context, %o1 = vaddr */
+        rdpr            %pstate, %g7
+        andn            %g7, PSTATE_IE, %g2
+        wrpr            %g2, 0x0, %pstate
+        wrpr            %g0, 1, %tl
+        mov             PRIMARY_CONTEXT, %o4
+        ldxa            [%o4] ASI_DMMU, %g2
+        srlx            %g2, CTX_PGSZ1_NUC_SHIFT, %o3
+        sllx            %o3, CTX_PGSZ1_NUC_SHIFT, %o3
+        or              %o0, %o3, %o0   /* Preserve nucleus page size fields */
+        stxa            %o0, [%o4] ASI_DMMU
+        andcc           %o1, 1, %g0
+        be,pn           %icc, 1f
+         andn           %o1, 1, %o3
+        stxa            %g0, [%o3] ASI_IMMU_DEMAP
+1:      stxa            %g0, [%o3] ASI_DMMU_DEMAP       
+        membar          #Sync
+        stxa            %g2, [%o4] ASI_DMMU
+        sethi           %hi(KERNBASE), %o4
+        flush           %o4
+        wrpr            %g0, 0, %tl
+        retl
+         wrpr           %g7, 0x0, %pstate
+
 __cheetah_flush_tlb_pending:    /* 27 insns */
         /* %o0 = context, %o1 = nr, %o2 = vaddrs[] */
         rdpr            %pstate, %g7
@@ -269,6 +321,20 @@ __hypervisor_flush_tlb_mm: /* 10 insns */
         retl
          nop
 
+__hypervisor_flush_tlb_page: /* 11 insns */
+        /* %o0 = context, %o1 = vaddr */
+        mov             %o0, %g2
+        mov             %o1, %o0              /* ARG0: vaddr + IMMU-bit */
+        mov             %g2, %o1              /* ARG1: mmu context */
+        mov             HV_MMU_ALL, %o2       /* ARG2: flags */
+        srlx            %o0, PAGE_SHIFT, %o0
+        sllx            %o0, PAGE_SHIFT, %o0
+        ta              HV_MMU_UNMAP_ADDR_TRAP
+        brnz,pn         %o0, __hypervisor_tlb_tl0_error
+         mov            HV_MMU_UNMAP_ADDR_TRAP, %o1
+        retl
+         nop
+
 __hypervisor_flush_tlb_pending: /* 16 insns */
         /* %o0 = context, %o1 = nr, %o2 = vaddrs[] */
         sllx            %o1, 3, %g1
@@ -339,6 +405,13 @@ cheetah_patch_cachetlbops:
         call            tlb_patch_one
          mov            19, %o2
 
+        sethi           %hi(__flush_tlb_page), %o0
+        or              %o0, %lo(__flush_tlb_page), %o0
+        sethi           %hi(__cheetah_flush_tlb_page), %o1
+        or              %o1, %lo(__cheetah_flush_tlb_page), %o1
+        call            tlb_patch_one
+         mov            22, %o2
+
         sethi           %hi(__flush_tlb_pending), %o0
         or              %o0, %lo(__flush_tlb_pending), %o0
         sethi           %hi(__cheetah_flush_tlb_pending), %o1
@@ -397,10 +470,9 @@ xcall_flush_tlb_mm:	/* 21 insns */
         nop
         nop
 
-        .globl          xcall_flush_tlb_pending
-xcall_flush_tlb_pending:        /* 21 insns */
-        /* %g5=context, %g1=nr, %g7=vaddrs[] */
-        sllx            %g1, 3, %g1
+        .globl          xcall_flush_tlb_page
+xcall_flush_tlb_page:   /* 17 insns */
+        /* %g5=context, %g1=vaddr */
         mov             PRIMARY_CONTEXT, %g4
         ldxa            [%g4] ASI_DMMU, %g2
         srlx            %g2, CTX_PGSZ1_NUC_SHIFT, %g4
@@ -408,20 +480,16 @@ xcall_flush_tlb_pending:	/* 21 insns */
         or              %g5, %g4, %g5
         mov             PRIMARY_CONTEXT, %g4
         stxa            %g5, [%g4] ASI_DMMU
-1:      sub             %g1, (1 << 3), %g1
-        ldx             [%g7 + %g1], %g5
-        andcc           %g5, 0x1, %g0
+        andcc           %g1, 0x1, %g0
         be,pn           %icc, 2f
-
-         andn           %g5, 0x1, %g5
+         andn           %g1, 0x1, %g5
         stxa            %g0, [%g5] ASI_IMMU_DEMAP
 2:      stxa            %g0, [%g5] ASI_DMMU_DEMAP
         membar          #Sync
-        brnz,pt         %g1, 1b
-         nop
         stxa            %g2, [%g4] ASI_DMMU
         retry
         nop
+        nop
 
         .globl          xcall_flush_tlb_kernel_range
 xcall_flush_tlb_kernel_range:   /* 25 insns */
@@ -656,15 +724,13 @@ __hypervisor_xcall_flush_tlb_mm: /* 21 insns */
         membar          #Sync
         retry
 
-        .globl          __hypervisor_xcall_flush_tlb_pending
-__hypervisor_xcall_flush_tlb_pending: /* 21 insns */
-        /* %g5=ctx, %g1=nr, %g7=vaddrs[], %g2,%g3,%g4,g6=scratch */
-        sllx            %g1, 3, %g1
+        .globl          __hypervisor_xcall_flush_tlb_page
+__hypervisor_xcall_flush_tlb_page: /* 17 insns */
+        /* %g5=ctx, %g1=vaddr */
         mov             %o0, %g2
         mov             %o1, %g3
         mov             %o2, %g4
-1:      sub             %g1, (1 << 3), %g1
-        ldx             [%g7 + %g1], %o0        /* ARG0: virtual address */
+        mov             %g1, %o0                /* ARG0: virtual address */
         mov             %g5, %o1                /* ARG1: mmu context */
         mov             HV_MMU_ALL, %o2         /* ARG2: flags */
         srlx            %o0, PAGE_SHIFT, %o0
@@ -673,8 +739,6 @@ __hypervisor_xcall_flush_tlb_pending: /* 21 insns */
         mov             HV_MMU_UNMAP_ADDR_TRAP, %g6
         brnz,a,pn       %o0, __hypervisor_tlb_xcall_error
          mov            %o0, %g5
-        brnz,pt         %g1, 1b
-         nop
         mov             %g2, %o0
         mov             %g3, %o1
         mov             %g4, %o2
@@ -757,6 +821,13 @@ hypervisor_patch_cachetlbops:
         call            tlb_patch_one
          mov            10, %o2
 
+        sethi           %hi(__flush_tlb_page), %o0
+        or              %o0, %lo(__flush_tlb_page), %o0
+        sethi           %hi(__hypervisor_flush_tlb_page), %o1
+        or              %o1, %lo(__hypervisor_flush_tlb_page), %o1
+        call            tlb_patch_one
+         mov            11, %o2
+
         sethi           %hi(__flush_tlb_pending), %o0
         or              %o0, %lo(__flush_tlb_pending), %o0
         sethi           %hi(__hypervisor_flush_tlb_pending), %o1
@@ -788,12 +859,12 @@ hypervisor_patch_cachetlbops:
         call            tlb_patch_one
          mov            21, %o2
 
-        sethi           %hi(xcall_flush_tlb_pending), %o0
-        or              %o0, %lo(xcall_flush_tlb_pending), %o0
-        sethi           %hi(__hypervisor_xcall_flush_tlb_pending), %o1
-        or              %o1, %lo(__hypervisor_xcall_flush_tlb_pending), %o1
+        sethi           %hi(xcall_flush_tlb_page), %o0
+        or              %o0, %lo(xcall_flush_tlb_page), %o0
+        sethi           %hi(__hypervisor_xcall_flush_tlb_page), %o1
+        or              %o1, %lo(__hypervisor_xcall_flush_tlb_page), %o1
         call            tlb_patch_one
-         mov            21, %o2
+         mov            17, %o2
 
         sethi           %hi(xcall_flush_tlb_kernel_range), %o0
         or              %o0, %lo(xcall_flush_tlb_kernel_range), %o0
diff --git a/arch/tile/include/asm/irqflags.h b/arch/tile/include/asm/irqflags.h
index 241c0bb60b12..c96f9bbb760d 100644
--- a/arch/tile/include/asm/irqflags.h
+++ b/arch/tile/include/asm/irqflags.h
@@ -40,7 +40,15 @@
 #include <asm/percpu.h>
 #include <arch/spr_def.h>
 
-/* Set and clear kernel interrupt masks. */
+/*
+ * Set and clear kernel interrupt masks.
+ *
+ * NOTE: __insn_mtspr() is a compiler builtin marked as a memory
+ * clobber.  We rely on it being equivalent to a compiler barrier in
+ * this code since arch_local_irq_save() and friends must act as
+ * compiler barriers.  This compiler semantic is baked into enough
+ * places that the compiler will maintain it going forward.
+ */
 #if CHIP_HAS_SPLIT_INTR_MASK()
 #if INT_PERF_COUNT < 32 || INT_AUX_PERF_COUNT < 32 || INT_MEM_ERROR >= 32
 # error Fix assumptions about which word various interrupts are in
diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c
index d1e15f7b59c6..7a5aa1a7864e 100644
--- a/arch/tile/kernel/setup.c
+++ b/arch/tile/kernel/setup.c
@@ -1004,15 +1004,8 @@ void __cpuinit setup_cpu(int boot)
 
 #ifdef CONFIG_BLK_DEV_INITRD
 
-/*
- * Note that the kernel can potentially support other compression
- * techniques than gz, though we don't do so by default.  If we ever
- * decide to do so we can either look for other filename extensions,
- * or just allow a file with this name to be compressed with an
- * arbitrary compressor (somewhat counterintuitively).
- */
 static int __initdata set_initramfs_file;
-static char __initdata initramfs_file[128] = "initramfs.cpio.gz";
+static char __initdata initramfs_file[128] = "initramfs";
 
 static int __init setup_initramfs_file(char *str)
 {
@@ -1026,9 +1019,9 @@ static int __init setup_initramfs_file(char *str)
 early_param("initramfs_file", setup_initramfs_file);
 
 /*
- * We look for an "initramfs.cpio.gz" file in the hvfs.
- * If there is one, we allocate some memory for it and it will be
- * unpacked to the initramfs.
+ * We look for a file called "initramfs" in the hvfs.  If there is one, we
+ * allocate some memory for it and it will be unpacked to the initramfs.
+ * If it's compressed, the initd code will uncompress it first.
  */
 static void __init load_hv_initrd(void)
 {
@@ -1038,10 +1031,16 @@ static void __init load_hv_initrd(void)
 
         fd = hv_fs_findfile((HV_VirtAddr) initramfs_file);
         if (fd == HV_ENOENT) {
-                if (set_initramfs_file)
+                if (set_initramfs_file) {
                         pr_warning("No such hvfs initramfs file '%s'\n",
                                    initramfs_file);
-                return;
+                        return;
+                } else {
+                        /* Try old backwards-compatible name. */
+                        fd = hv_fs_findfile((HV_VirtAddr)"initramfs.cpio.gz");
+                        if (fd == HV_ENOENT)
+                                return;
+                }
         }
         BUG_ON(fd < 0);
         stat = hv_fs_fstat(fd);
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 70c0f3da0476..15b5cef4aa38 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1549,6 +1549,7 @@ config X86_SMAP
 config EFI
         bool "EFI runtime service support"
         depends on ACPI
+        select UCS2_STRING
         ---help---
           This enables the kernel to use EFI runtime services that are
           available (such as the EFI variable services).
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index 8a84501acb1b..5ef205c5f37b 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -4,7 +4,7 @@
 # create a compressed vmlinux image from the original vmlinux
 #
 
-targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo head_$(BITS).o misc.o string.o cmdline.o early_serial_console.o piggy.o
+targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo
 
 KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2
 KBUILD_CFLAGS += -fno-strict-aliasing -fPIC
@@ -29,7 +29,6 @@ VMLINUX_OBJS = $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \
         $(obj)/piggy.o
 
 $(obj)/eboot.o: KBUILD_CFLAGS += -fshort-wchar -mno-red-zone
-$(obj)/efi_stub_$(BITS).o: KBUILD_CLFAGS += -fshort-wchar -mno-red-zone
 
 ifeq ($(CONFIG_EFI_STUB), y)
         VMLINUX_OBJS += $(obj)/eboot.o $(obj)/efi_stub_$(BITS).o
@@ -43,7 +42,7 @@ OBJCOPYFLAGS_vmlinux.bin :=  -R .comment -S
 $(obj)/vmlinux.bin: vmlinux FORCE
         $(call if_changed,objcopy)
 
-targets += vmlinux.bin.all vmlinux.relocs
+targets += $(patsubst $(obj)/%,%,$(VMLINUX_OBJS)) vmlinux.bin.all vmlinux.relocs
 
 CMD_RELOCS = arch/x86/tools/relocs
 quiet_cmd_relocs = RELOCS  $@
diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index c205035a6b96..35ee62fccf98 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -251,6 +251,51 @@ static void find_bits(unsigned long mask, u8 *pos, u8 *size)
         *size = len;
 }
 
+static efi_status_t setup_efi_vars(struct boot_params *params)
+{
+        struct setup_data *data;
+        struct efi_var_bootdata *efidata;
+        u64 store_size, remaining_size, var_size;
+        efi_status_t status;
+
+        if (sys_table->runtime->hdr.revision < EFI_2_00_SYSTEM_TABLE_REVISION)
+                return EFI_UNSUPPORTED;
+
+        data = (struct setup_data *)(unsigned long)params->hdr.setup_data;
+
+        while (data && data->next)
+                data = (struct setup_data *)(unsigned long)data->next;
+
+        status = efi_call_phys4((void *)sys_table->runtime->query_variable_info,
+                                EFI_VARIABLE_NON_VOLATILE |
+                                EFI_VARIABLE_BOOTSERVICE_ACCESS |
+                                EFI_VARIABLE_RUNTIME_ACCESS, &store_size,
+                                &remaining_size, &var_size);
+
+        if (status != EFI_SUCCESS)
+                return status;
+
+        status = efi_call_phys3(sys_table->boottime->allocate_pool,
+                                EFI_LOADER_DATA, sizeof(*efidata), &efidata);
+
+        if (status != EFI_SUCCESS)
+                return status;
+
+        efidata->data.type = SETUP_EFI_VARS;
+        efidata->data.len = sizeof(struct efi_var_bootdata) -
+                sizeof(struct setup_data);
+        efidata->data.next = 0;
+        efidata->store_size = store_size;
+        efidata->remaining_size = remaining_size;
+        efidata->max_var_size = var_size;
+
+        if (data)
+                data->next = (unsigned long)efidata;
+        else
+                params->hdr.setup_data = (unsigned long)efidata;
+
+}
+
 static efi_status_t setup_efi_pci(struct boot_params *params)
 {
         efi_pci_io_protocol *pci;
@@ -1157,6 +1202,8 @@ struct boot_params *efi_main(void *handle, efi_system_table_t *_table,
 
         setup_graphics(boot_params);
 
+        setup_efi_vars(boot_params);
+
         setup_efi_pci(boot_params);
 
         status = efi_call_phys3(sys_table->boottime->allocate_pool,
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index 60c89f30c727..2fb5d5884e23 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -102,6 +102,13 @@ extern void efi_call_phys_epilog(void);
 extern void efi_unmap_memmap(void);
 extern void efi_memory_uc(u64 addr, unsigned long size);
 
+struct efi_var_bootdata {
+        struct setup_data data;
+        u64 store_size;
+        u64 remaining_size;
+        u64 max_var_size;
+};
+
 #ifdef CONFIG_EFI
 
 static inline bool efi_is_native(void)
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 5edd1742cfd0..7361e47db79f 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -703,7 +703,10 @@ static inline void arch_leave_lazy_mmu_mode(void)
         PVOP_VCALL0(pv_mmu_ops.lazy_mode.leave);
 }
 
-void arch_flush_lazy_mmu_mode(void);
+static inline void arch_flush_lazy_mmu_mode(void)
+{
+        PVOP_VCALL0(pv_mmu_ops.lazy_mode.flush);
+}
 
 static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx,
                                 phys_addr_t phys, pgprot_t flags)
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index 142236ed83af..b3b0ec1dac86 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -91,6 +91,7 @@ struct pv_lazy_ops {
         /* Set deferred update mode, used for batching operations. */
         void (*enter)(void);
         void (*leave)(void);
+        void (*flush)(void);
 };
 
 struct pv_time_ops {
@@ -679,6 +680,7 @@ void paravirt_end_context_switch(struct task_struct *next);
 
 void paravirt_enter_lazy_mmu(void);
 void paravirt_leave_lazy_mmu(void);
+void paravirt_flush_lazy_mmu(void);
 
 void _paravirt_nop(void);
 u32 _paravirt_ident_32(u32);
diff --git a/arch/x86/include/asm/syscall.h b/arch/x86/include/asm/syscall.h
index 1ace47b62592..2e188d68397c 100644
--- a/arch/x86/include/asm/syscall.h
+++ b/arch/x86/include/asm/syscall.h
@@ -29,13 +29,13 @@ extern const unsigned long sys_call_table[];
  */
 static inline int syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
 {
-        return regs->orig_ax & __SYSCALL_MASK;
+        return regs->orig_ax;
 }
 
 static inline void syscall_rollback(struct task_struct *task,
                                     struct pt_regs *regs)
 {
-        regs->ax = regs->orig_ax & __SYSCALL_MASK;
+        regs->ax = regs->orig_ax;
 }
 
 static inline long syscall_get_error(struct task_struct *task,
diff --git a/arch/x86/include/asm/tlb.h b/arch/x86/include/asm/tlb.h
index 4fef20773b8f..c7797307fc2b 100644
--- a/arch/x86/include/asm/tlb.h
+++ b/arch/x86/include/asm/tlb.h
@@ -7,7 +7,7 @@
 
 #define tlb_flush(tlb)                                                  \
 {                                                                       \
-        if (tlb->fullmm == 0)                                           \
+        if (!tlb->fullmm && !tlb->need_flush_all)                       \
                 flush_tlb_mm_range(tlb->mm, tlb->start, tlb->end, 0UL); \
         else                                                            \
                 flush_tlb_mm_range(tlb->mm, 0UL, TLB_FLUSH_ALL, 0UL);   \
diff --git a/arch/x86/include/uapi/asm/bootparam.h b/arch/x86/include/uapi/asm/bootparam.h
index c15ddaf90710..08744242b8d2 100644
--- a/arch/x86/include/uapi/asm/bootparam.h
+++ b/arch/x86/include/uapi/asm/bootparam.h
@@ -6,6 +6,7 @@
 #define SETUP_E820_EXT                  1
 #define SETUP_DTB                       2
 #define SETUP_PCI                       3
+#define SETUP_EFI_VARS                  4
 
 /* ram_size flags */
 #define RAMDISK_IMAGE_START_MASK        0x07FF
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index a7d26d83fb70..8f4be53ea04b 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -35,13 +35,6 @@ static bool __init ms_hyperv_platform(void)
         if (!boot_cpu_has(X86_FEATURE_HYPERVISOR))
                 return false;
 
-        /*
-         * Xen emulates Hyper-V to support enlightened Windows.
-         * Check to see first if we are on a Xen Hypervisor.
-         */
-        if (xen_cpuid_base())
-                return false;
-
         cpuid(HYPERV_CPUID_VENDOR_AND_MAX_FUNCTIONS,
               &eax, &hyp_signature[0], &hyp_signature[1], &hyp_signature[2]);
 
@@ -82,12 +75,6 @@ static void __init ms_hyperv_init_platform(void)
 
         if (ms_hyperv.features & HV_X64_MSR_TIME_REF_COUNT_AVAILABLE)
                 clocksource_register_hz(&hyperv_cs, NSEC_PER_SEC/100);
-#if IS_ENABLED(CONFIG_HYPERV)
-        /*
-         * Setup the IDT for hypervisor callback.
-         */
-        alloc_intr_gate(HYPERVISOR_CALLBACK_VECTOR, hyperv_callback_vector);
-#endif
 }
 
 const __refconst struct hypervisor_x86 x86_hyper_ms_hyperv = {
@@ -103,6 +90,11 @@ static irq_handler_t vmbus_isr;
 
 void hv_register_vmbus_handler(int irq, irq_handler_t handler)
 {
+        /*
+         * Setup the IDT for hypervisor callback.
+         */
+        alloc_intr_gate(HYPERVISOR_CALLBACK_VECTOR, hyperv_callback_vector);
+
         vmbus_irq = irq;
         vmbus_isr = handler;
 }
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index dab7580c47ae..cc45deb791b0 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -153,8 +153,14 @@ static struct event_constraint intel_gen_event_constraints[] __read_mostly =
 };
 
 static struct extra_reg intel_snb_extra_regs[] __read_mostly = {
-        INTEL_EVENT_EXTRA_REG(0xb7, MSR_OFFCORE_RSP_0, 0x3fffffffffull, RSP_0),
-        INTEL_EVENT_EXTRA_REG(0xbb, MSR_OFFCORE_RSP_1, 0x3fffffffffull, RSP_1),
+        INTEL_EVENT_EXTRA_REG(0xb7, MSR_OFFCORE_RSP_0, 0x3f807f8fffull, RSP_0),
+        INTEL_EVENT_EXTRA_REG(0xbb, MSR_OFFCORE_RSP_1, 0x3f807f8fffull, RSP_1),
+        EVENT_EXTRA_END
+};
+
+static struct extra_reg intel_snbep_extra_regs[] __read_mostly = {
+        INTEL_EVENT_EXTRA_REG(0xb7, MSR_OFFCORE_RSP_0, 0x3fffff8fffull, RSP_0),
+        INTEL_EVENT_EXTRA_REG(0xbb, MSR_OFFCORE_RSP_1, 0x3fffff8fffull, RSP_1),
         EVENT_EXTRA_END
 };
 
@@ -2097,7 +2103,10 @@ __init int intel_pmu_init(void)
                 x86_pmu.event_constraints = intel_snb_event_constraints;
                 x86_pmu.pebs_constraints = intel_snb_pebs_event_constraints;
                 x86_pmu.pebs_aliases = intel_pebs_aliases_snb;
-                x86_pmu.extra_regs = intel_snb_extra_regs;
+                if (boot_cpu_data.x86_model == 45)
+                        x86_pmu.extra_regs = intel_snbep_extra_regs;
+                else
+                        x86_pmu.extra_regs = intel_snb_extra_regs;
                 /* all extra regs are per-cpu when HT is on */
                 x86_pmu.er_flags |= ERF_HAS_RSP_1;
                 x86_pmu.er_flags |= ERF_NO_HT_SHARING;
@@ -2123,7 +2132,10 @@ __init int intel_pmu_init(void)
                 x86_pmu.event_constraints = intel_ivb_event_constraints;
                 x86_pmu.pebs_constraints = intel_ivb_pebs_event_constraints;
                 x86_pmu.pebs_aliases = intel_pebs_aliases_snb;
-                x86_pmu.extra_regs = intel_snb_extra_regs;
+                if (boot_cpu_data.x86_model == 62)
+                        x86_pmu.extra_regs = intel_snbep_extra_regs;
+                else
+                        x86_pmu.extra_regs = intel_snb_extra_regs;
                 /* all extra regs are per-cpu when HT is on */
                 x86_pmu.er_flags |= ERF_HAS_RSP_1;
                 x86_pmu.er_flags |= ERF_NO_HT_SHARING;
diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c
index b05a575d56f4..26830f3af0df 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_ds.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c
@@ -314,10 +314,11 @@ int intel_pmu_drain_bts_buffer(void)
         if (top <= at)
                 return 0;
 
+        memset(&regs, 0, sizeof(regs));
+
         ds->bts_index = ds->bts_buffer_base;
 
         perf_sample_data_init(&data, 0, event->hw.last_period);
-        regs.ip     = 0;
 
         /*
          * Prepare a generic sample, i.e. fill in the invariant fields.
diff --git a/arch/x86/kernel/microcode_core_early.c b/arch/x86/kernel/microcode_core_early.c
index 577db8417d15..833d51d6ee06 100644
--- a/arch/x86/kernel/microcode_core_early.c
+++ b/arch/x86/kernel/microcode_core_early.c
@@ -45,9 +45,6 @@ static int __cpuinit x86_vendor(void)
         u32 eax = 0x00000000;
         u32 ebx, ecx = 0, edx;
 
-        if (!have_cpuid_p())
-                return X86_VENDOR_UNKNOWN;
-
         native_cpuid(&eax, &ebx, &ecx, &edx);
 
         if (CPUID_IS(CPUID_INTEL1, CPUID_INTEL2, CPUID_INTEL3, ebx, ecx, edx))
@@ -59,18 +56,45 @@ static int __cpuinit x86_vendor(void)
         return X86_VENDOR_UNKNOWN;
 }
 
+static int __cpuinit x86_family(void)
+{
+        u32 eax = 0x00000001;
+        u32 ebx, ecx = 0, edx;
+        int x86;
+
+        native_cpuid(&eax, &ebx, &ecx, &edx);
+
+        x86 = (eax >> 8) & 0xf;
+        if (x86 == 15)
+                x86 += (eax >> 20) & 0xff;
+
+        return x86;
+}
+
 void __init load_ucode_bsp(void)
 {
-        int vendor = x86_vendor();
+        int vendor, x86;
+
+        if (!have_cpuid_p())
+                return;
 
-        if (vendor == X86_VENDOR_INTEL)
+        vendor = x86_vendor();
+        x86 = x86_family();
+
+        if (vendor == X86_VENDOR_INTEL && x86 >= 6)
                 load_ucode_intel_bsp();
 }
 
 void __cpuinit load_ucode_ap(void)
 {
-        int vendor = x86_vendor();
+        int vendor, x86;
+
+        if (!have_cpuid_p())
+                return;
+
+        vendor = x86_vendor();
+        x86 = x86_family();
 
-        if (vendor == X86_VENDOR_INTEL)
+        if (vendor == X86_VENDOR_INTEL && x86 >= 6)
                 load_ucode_intel_ap();
 }
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 17fff18a1031..8bfb335f74bb 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -263,6 +263,18 @@ void paravirt_leave_lazy_mmu(void)
         leave_lazy(PARAVIRT_LAZY_MMU);
 }
 
+void paravirt_flush_lazy_mmu(void)
+{
+        preempt_disable();
+
+        if (paravirt_get_lazy_mode() == PARAVIRT_LAZY_MMU) {
+                arch_leave_lazy_mmu_mode();
+                arch_enter_lazy_mmu_mode();
+        }
+
+        preempt_enable();
+}
+
 void paravirt_start_context_switch(struct task_struct *prev)
 {
         BUG_ON(preemptible());
@@ -292,18 +304,6 @@ enum paravirt_lazy_mode paravirt_get_lazy_mode(void)
         return this_cpu_read(paravirt_lazy_mode);
 }
 
-void arch_flush_lazy_mmu_mode(void)
-{
-        preempt_disable();
-
-        if (paravirt_get_lazy_mode() == PARAVIRT_LAZY_MMU) {
-                arch_leave_lazy_mmu_mode();
-                arch_enter_lazy_mmu_mode();
-        }
-
-        preempt_enable();
-}
-
 struct pv_info pv_info = {
         .name = "bare hardware",
         .paravirt_enabled = 0,
@@ -475,6 +475,7 @@ struct pv_mmu_ops pv_mmu_ops = {
         .lazy_mode = {
                 .enter = paravirt_nop,
                 .leave = paravirt_nop,
+                .flush = paravirt_nop,
         },
 
         .set_fixmap = native_set_fixmap,
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 90d8cc930f5e..fae9134a2de9 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -507,11 +507,14 @@ static void __init memblock_x86_reserve_range_setup_data(void)
 /*
  * Keep the crash kernel below this limit.  On 32 bits earlier kernels
  * would limit the kernel to the low 512 MiB due to mapping restrictions.
+ * On 64bit, old kexec-tools need to under 896MiB.
  */
 #ifdef CONFIG_X86_32
-# define CRASH_KERNEL_ADDR_MAX  (512 << 20)
+# define CRASH_KERNEL_ADDR_LOW_MAX      (512 << 20)
+# define CRASH_KERNEL_ADDR_HIGH_MAX     (512 << 20)
 #else
-# define CRASH_KERNEL_ADDR_MAX  MAXMEM
+# define CRASH_KERNEL_ADDR_LOW_MAX      (896UL<<20)
+# define CRASH_KERNEL_ADDR_HIGH_MAX     MAXMEM
 #endif
 
 static void __init reserve_crashkernel_low(void)
@@ -521,19 +524,35 @@ static void __init reserve_crashkernel_low(void)
         unsigned long long low_base = 0, low_size = 0;
         unsigned long total_low_mem;
         unsigned long long base;
+        bool auto_set = false;
         int ret;
 
         total_low_mem = memblock_mem_size(1UL<<(32-PAGE_SHIFT));
+        /* crashkernel=Y,low */
         ret = parse_crashkernel_low(boot_command_line, total_low_mem,
                                                 &low_size, &base);
-        if (ret != 0 || low_size <= 0)
-                return;
+        if (ret != 0) {
+                /*
+                 * two parts from lib/swiotlb.c:
+                 *      swiotlb size: user specified with swiotlb= or default.
+                 *      swiotlb overflow buffer: now is hardcoded to 32k.
+                 *              We round it to 8M for other buffers that
+                 *              may need to stay low too.
+                 */
+                low_size = swiotlb_size_or_default() + (8UL<<20);
+                auto_set = true;
+        } else {
+                /* passed with crashkernel=0,low ? */
+                if (!low_size)
+                        return;
+        }
 
         low_base = memblock_find_in_range(low_size, (1ULL<<32),
                                         low_size, alignment);
 
         if (!low_base) {
-                pr_info("crashkernel low reservation failed - No suitable area found.\n");
+                if (!auto_set)
+                        pr_info("crashkernel low reservation failed - No suitable area found.\n");
 
                 return;
         }
@@ -554,14 +573,22 @@ static void __init reserve_crashkernel(void)
         const unsigned long long alignment = 16<<20;    /* 16M */
         unsigned long long total_mem;
         unsigned long long crash_size, crash_base;
+        bool high = false;
         int ret;
 
         total_mem = memblock_phys_mem_size();
 
+        /* crashkernel=XM */
         ret = parse_crashkernel(boot_command_line, total_mem,
                         &crash_size, &crash_base);
-        if (ret != 0 || crash_size <= 0)
-                return;
+        if (ret != 0 || crash_size <= 0) {
+                /* crashkernel=X,high */
+                ret = parse_crashkernel_high(boot_command_line, total_mem,
+                                &crash_size, &crash_base);
+                if (ret != 0 || crash_size <= 0)
+                        return;
+                high = true;
+        }
 
         /* 0 means: find the address automatically */
         if (crash_base <= 0) {
@@ -569,7 +596,9 @@ static void __init reserve_crashkernel(void)
                  *  kexec want bzImage is below CRASH_KERNEL_ADDR_MAX
                  */
                 crash_base = memblock_find_in_range(alignment,
-                               CRASH_KERNEL_ADDR_MAX, crash_size, alignment);
+                                        high ? CRASH_KERNEL_ADDR_HIGH_MAX :
+                                               CRASH_KERNEL_ADDR_LOW_MAX,
+                                        crash_size, alignment);
 
                 if (!crash_base) {
                         pr_info("crashkernel reservation failed - No suitable area found.\n");
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 02b51dd4e4ad..f77df1c5de6e 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -1857,7 +1857,7 @@ int kvm_lapic_enable_pv_eoi(struct kvm_vcpu *vcpu, u64 data)
         if (!pv_eoi_enabled(vcpu))
                 return 0;
         return kvm_gfn_to_hva_cache_init(vcpu->kvm, &vcpu->arch.pv_eoi.data,
-                                         addr);
+                                         addr, sizeof(u8));
 }
 
 void kvm_lapic_init(void)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index f19ac0aca60d..e1721324c271 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1823,7 +1823,8 @@ static int kvm_pv_enable_async_pf(struct kvm_vcpu *vcpu, u64 data)
                 return 0;
         }
 
-        if (kvm_gfn_to_hva_cache_init(vcpu->kvm, &vcpu->arch.apf.data, gpa))
+        if (kvm_gfn_to_hva_cache_init(vcpu->kvm, &vcpu->arch.apf.data, gpa,
+                                        sizeof(u32)))
                 return 1;
 
         vcpu->arch.apf.send_user_only = !(data & KVM_ASYNC_PF_SEND_ALWAYS);
@@ -1952,12 +1953,9 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
 
                 gpa_offset = data & ~(PAGE_MASK | 1);
 
-                /* Check that the address is 32-byte aligned. */
-                if (gpa_offset & (sizeof(struct pvclock_vcpu_time_info) - 1))
-                        break;
-
                 if (kvm_gfn_to_hva_cache_init(vcpu->kvm,
-                     &vcpu->arch.pv_time, data & ~1ULL))
+                     &vcpu->arch.pv_time, data & ~1ULL,
+                     sizeof(struct pvclock_vcpu_time_info)))
                         vcpu->arch.pv_time_enabled = false;
                 else
                         vcpu->arch.pv_time_enabled = true;
@@ -1977,7 +1975,8 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
                         return 1;
 
                 if (kvm_gfn_to_hva_cache_init(vcpu->kvm, &vcpu->arch.st.stime,
-                                                        data & KVM_STEAL_VALID_BITS))
+                                                data & KVM_STEAL_VALID_BITS,
+                                                sizeof(struct kvm_steal_time)))
                         return 1;
 
                 vcpu->arch.st.msr_val = data;
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 1cbd89ca5569..7114c63f047d 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -1334,6 +1334,7 @@ __init void lguest_init(void)
         pv_mmu_ops.read_cr3 = lguest_read_cr3;
         pv_mmu_ops.lazy_mode.enter = paravirt_enter_lazy_mmu;
         pv_mmu_ops.lazy_mode.leave = lguest_leave_lazy_mmu_mode;
+        pv_mmu_ops.lazy_mode.flush = paravirt_flush_lazy_mmu;
         pv_mmu_ops.pte_update = lguest_pte_update;
         pv_mmu_ops.pte_update_defer = lguest_pte_update;
 
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 2b97525246d4..0e883364abb5 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -378,10 +378,12 @@ static noinline __kprobes int vmalloc_fault(unsigned long address)
         if (pgd_none(*pgd_ref))
                 return -1;
 
-        if (pgd_none(*pgd))
+        if (pgd_none(*pgd)) {
                 set_pgd(pgd, *pgd_ref);
-        else
+                arch_flush_lazy_mmu_mode();
+        } else {
                 BUG_ON(pgd_page_vaddr(*pgd) != pgd_page_vaddr(*pgd_ref));
+        }
 
         /*
          * Below here mismatches are bugs because these lower tables
diff --git a/arch/x86/mm/pageattr-test.c b/arch/x86/mm/pageattr-test.c
index b0086567271c..0e38951e65eb 100644
--- a/arch/x86/mm/pageattr-test.c
+++ b/arch/x86/mm/pageattr-test.c
@@ -68,7 +68,7 @@ static int print_split(struct split_state *s)
                         s->gpg++;
                         i += GPS/PAGE_SIZE;
                 } else if (level == PG_LEVEL_2M) {
-                        if (!(pte_val(*pte) & _PAGE_PSE)) {
+                        if ((pte_val(*pte) & _PAGE_PRESENT) && !(pte_val(*pte) & _PAGE_PSE)) {
                                 printk(KERN_ERR
                                         "%lx level %d but not PSE %Lx\n",
                                         addr, level, (u64)pte_val(*pte));
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 091934e1d0d9..fb4e73ec24d8 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -467,7 +467,7 @@ try_preserve_large_page(pte_t *kpte, unsigned long address,
          * We are safe now. Check whether the new pgprot is the same:
          */
         old_pte = *kpte;
-        old_prot = new_prot = req_prot = pte_pgprot(old_pte);
+        old_prot = req_prot = pte_pgprot(old_pte);
 
         pgprot_val(req_prot) &= ~pgprot_val(cpa->mask_clr);
         pgprot_val(req_prot) |= pgprot_val(cpa->mask_set);
@@ -478,12 +478,12 @@ try_preserve_large_page(pte_t *kpte, unsigned long address,
          * a non present pmd. The canon_pgprot will clear _PAGE_GLOBAL
          * for the ancient hardware that doesn't support it.
          */
-        if (pgprot_val(new_prot) & _PAGE_PRESENT)
-                pgprot_val(new_prot) |= _PAGE_PSE | _PAGE_GLOBAL;
+        if (pgprot_val(req_prot) & _PAGE_PRESENT)
+                pgprot_val(req_prot) |= _PAGE_PSE | _PAGE_GLOBAL;
         else
-                pgprot_val(new_prot) &= ~(_PAGE_PSE | _PAGE_GLOBAL);
+                pgprot_val(req_prot) &= ~(_PAGE_PSE | _PAGE_GLOBAL);
 
-        new_prot = canon_pgprot(new_prot);
+        req_prot = canon_pgprot(req_prot);
 
         /*
          * old_pte points to the large page base address. So we need
@@ -1413,6 +1413,8 @@ void kernel_map_pages(struct page *page, int numpages, int enable)
          * but that can deadlock->flush only current cpu:
          */
         __flush_tlb_all();
+
+        arch_flush_lazy_mmu_mode();
 }
 
 #ifdef CONFIG_HIBERNATION
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 193350b51f90..17fda6a8b3c2 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -58,6 +58,13 @@ void ___pte_free_tlb(struct mmu_gather *tlb, struct page *pte)
 void ___pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd)
 {
         paravirt_release_pmd(__pa(pmd) >> PAGE_SHIFT);
+        /*
+         * NOTE! For PAE, any changes to the top page-directory-pointer-table
+         * entries need a full cr3 reload to flush.
+         */
+#ifdef CONFIG_X86_PAE
+        tlb->need_flush_all = 1;
+#endif
         tlb_remove_page(tlb, virt_to_page(pmd));
 }
 
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index fff986da6239..012b3f6a9bd6 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -41,6 +41,7 @@
 #include <linux/io.h>
 #include <linux/reboot.h>
 #include <linux/bcd.h>
+#include <linux/ucs2_string.h>
 
 #include <asm/setup.h>
 #include <asm/efi.h>
@@ -51,6 +52,13 @@
 
 #define EFI_DEBUG       1
 
+/*
+ * There's some additional metadata associated with each
+ * variable. Intel's reference implementation is 60 bytes - bump that
+ * to account for potential alignment constraints
+ */
+#define VAR_METADATA_SIZE 64
+
 struct efi __read_mostly efi = {
         .mps        = EFI_INVALID_TABLE_ADDR,
         .acpi       = EFI_INVALID_TABLE_ADDR,
@@ -69,6 +77,13 @@ struct efi_memory_map memmap;
 static struct efi efi_phys __initdata;
 static efi_system_table_t efi_systab __initdata;
 
+static u64 efi_var_store_size;
+static u64 efi_var_remaining_size;
+static u64 efi_var_max_var_size;
+static u64 boot_used_size;
+static u64 boot_var_size;
+static u64 active_size;
+
 unsigned long x86_efi_facility;
 
 /*
@@ -98,6 +113,15 @@ static int __init setup_add_efi_memmap(char *arg)
 }
 early_param("add_efi_memmap", setup_add_efi_memmap);
 
+static bool efi_no_storage_paranoia;
+
+static int __init setup_storage_paranoia(char *arg)
+{
+        efi_no_storage_paranoia = true;
+        return 0;
+}
+early_param("efi_no_storage_paranoia", setup_storage_paranoia);
+
 
 static efi_status_t virt_efi_get_time(efi_time_t *tm, efi_time_cap_t *tc)
 {
@@ -162,8 +186,53 @@ static efi_status_t virt_efi_get_next_variable(unsigned long *name_size,
                                                efi_char16_t *name,
                                                efi_guid_t *vendor)
 {
-        return efi_call_virt3(get_next_variable,
-                              name_size, name, vendor);
+        efi_status_t status;
+        static bool finished = false;
+        static u64 var_size;
+
+        status = efi_call_virt3(get_next_variable,
+                                name_size, name, vendor);
+
+        if (status == EFI_NOT_FOUND) {
+                finished = true;
+                if (var_size < boot_used_size) {
+                        boot_var_size = boot_used_size - var_size;
+                        active_size += boot_var_size;
+                } else {
+                        printk(KERN_WARNING FW_BUG  "efi: Inconsistent initial sizes\n");
+                }
+        }
+
+        if (boot_used_size && !finished) {
+                unsigned long size;
+                u32 attr;
+                efi_status_t s;
+                void *tmp;
+
+                s = virt_efi_get_variable(name, vendor, &attr, &size, NULL);
+
+                if (s != EFI_BUFFER_TOO_SMALL || !size)
+                        return status;
+
+                tmp = kmalloc(size, GFP_ATOMIC);
+
+                if (!tmp)
+                        return status;
+
+                s = virt_efi_get_variable(name, vendor, &attr, &size, tmp);
+
+                if (s == EFI_SUCCESS && (attr & EFI_VARIABLE_NON_VOLATILE)) {
+                        var_size += size;
+                        var_size += ucs2_strsize(name, 1024);
+                        active_size += size;
+                        active_size += VAR_METADATA_SIZE;
+                        active_size += ucs2_strsize(name, 1024);
+                }
+
+                kfree(tmp);
+        }
+
+        return status;
 }
 
 static efi_status_t virt_efi_set_variable(efi_char16_t *name,
@@ -172,9 +241,34 @@ static efi_status_t virt_efi_set_variable(efi_char16_t *name,
                                           unsigned long data_size,
                                           void *data)
 {
-        return efi_call_virt5(set_variable,
-                              name, vendor, attr,
-                              data_size, data);
+        efi_status_t status;
+        u32 orig_attr = 0;
+        unsigned long orig_size = 0;
+
+        status = virt_efi_get_variable(name, vendor, &orig_attr, &orig_size,
+                                       NULL);
+
+        if (status != EFI_BUFFER_TOO_SMALL)
+                orig_size = 0;
+
+        status = efi_call_virt5(set_variable,
+                                name, vendor, attr,
+                                data_size, data);
+
+        if (status == EFI_SUCCESS) {
+                if (orig_size) {
+                        active_size -= orig_size;
+                        active_size -= ucs2_strsize(name, 1024);
+                        active_size -= VAR_METADATA_SIZE;
+                }
+                if (data_size) {
+                        active_size += data_size;
+                        active_size += ucs2_strsize(name, 1024);
+                        active_size += VAR_METADATA_SIZE;
+                }
+        }
+
+        return status;
 }
 
 static efi_status_t virt_efi_query_variable_info(u32 attr,
@@ -683,6 +777,9 @@ void __init efi_init(void)
         char vendor[100] = "unknown";
         int i = 0;
         void *tmp;
+        struct setup_data *data;
+        struct efi_var_bootdata *efi_var_data;
+        u64 pa_data;
 
 #ifdef CONFIG_X86_32
         if (boot_params.efi_info.efi_systab_hi ||
@@ -700,6 +797,22 @@ void __init efi_init(void)
         if (efi_systab_init(efi_phys.systab))
                 return;
 
+        pa_data = boot_params.hdr.setup_data;
+        while (pa_data) {
+                data = early_ioremap(pa_data, sizeof(*efi_var_data));
+                if (data->type == SETUP_EFI_VARS) {
+                        efi_var_data = (struct efi_var_bootdata *)data;
+
+                        efi_var_store_size = efi_var_data->store_size;
+                        efi_var_remaining_size = efi_var_data->remaining_size;
+                        efi_var_max_var_size = efi_var_data->max_var_size;
+                }
+                pa_data = data->next;
+                early_iounmap(data, sizeof(*efi_var_data));
+        }
+
+        boot_used_size = efi_var_store_size - efi_var_remaining_size;
+
         set_bit(EFI_SYSTEM_TABLES, &x86_efi_facility);
 
         /*
@@ -1000,3 +1113,48 @@ u64 efi_mem_attributes(unsigned long phys_addr)
         }
         return 0;
 }
+
+/*
+ * Some firmware has serious problems when using more than 50% of the EFI
+ * variable store, i.e. it triggers bugs that can brick machines. Ensure that
+ * we never use more than this safe limit.
+ *
+ * Return EFI_SUCCESS if it is safe to write 'size' bytes to the variable
+ * store.
+ */
+efi_status_t efi_query_variable_store(u32 attributes, unsigned long size)
+{
+        efi_status_t status;
+        u64 storage_size, remaining_size, max_size;
+
+        status = efi.query_variable_info(attributes, &storage_size,
+                                         &remaining_size, &max_size);
+        if (status != EFI_SUCCESS)
+                return status;
+
+        if (!max_size && remaining_size > size)
+                printk_once(KERN_ERR FW_BUG "Broken EFI implementation"
+                            " is returning MaxVariableSize=0\n");
+        /*
+         * Some firmware implementations refuse to boot if there's insufficient
+         * space in the variable store. We account for that by refusing the
+         * write if permitting it would reduce the available space to under
+         * 50%. However, some firmware won't reclaim variable space until
+         * after the used (not merely the actively used) space drops below
+         * a threshold. We can approximate that case with the value calculated
+         * above. If both the firmware and our calculations indicate that the
+         * available space would drop below 50%, refuse the write.
+         */
+
+        if (!storage_size || size > remaining_size ||
+            (max_size && size > max_size))
+                return EFI_OUT_OF_RESOURCES;
+
+        if (!efi_no_storage_paranoia &&
+            ((active_size + size + VAR_METADATA_SIZE > storage_size / 2) &&
+             (remaining_size - size < storage_size / 2)))
+                return EFI_OUT_OF_RESOURCES;
+
+        return EFI_SUCCESS;
+}
+EXPORT_SYMBOL_GPL(efi_query_variable_store);
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 6afbb2ca9a0a..e006c18d288a 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1748,14 +1748,18 @@ static void *m2v(phys_addr_t maddr)
 }
 
 /* Set the page permissions on an identity-mapped pages */
-static void set_page_prot(void *addr, pgprot_t prot)
+static void set_page_prot_flags(void *addr, pgprot_t prot, unsigned long flags)
 {
         unsigned long pfn = __pa(addr) >> PAGE_SHIFT;
         pte_t pte = pfn_pte(pfn, prot);
 
-        if (HYPERVISOR_update_va_mapping((unsigned long)addr, pte, 0))
+        if (HYPERVISOR_update_va_mapping((unsigned long)addr, pte, flags))
                 BUG();
 }
+static void set_page_prot(void *addr, pgprot_t prot)
+{
+        return set_page_prot_flags(addr, prot, UVMF_NONE);
+}
 #ifdef CONFIG_X86_32
 static void __init xen_map_identity_early(pmd_t *pmd, unsigned long max_pfn)
 {
@@ -1839,12 +1843,12 @@ static void __init check_pt_base(unsigned long *pt_base, unsigned long *pt_end,
                                  unsigned long addr)
 {
         if (*pt_base == PFN_DOWN(__pa(addr))) {
-                set_page_prot((void *)addr, PAGE_KERNEL);
+                set_page_prot_flags((void *)addr, PAGE_KERNEL, UVMF_INVLPG);
                 clear_page((void *)addr);
                 (*pt_base)++;
         }
         if (*pt_end == PFN_DOWN(__pa(addr))) {
-                set_page_prot((void *)addr, PAGE_KERNEL);
+                set_page_prot_flags((void *)addr, PAGE_KERNEL, UVMF_INVLPG);
                 clear_page((void *)addr);
                 (*pt_end)--;
         }
@@ -2196,6 +2200,7 @@ static const struct pv_mmu_ops xen_mmu_ops __initconst = {
         .lazy_mode = {
                 .enter = paravirt_enter_lazy_mmu,
                 .leave = xen_leave_lazy_mmu,
+                .flush = paravirt_flush_lazy_mmu,
         },
 
         .set_fixmap = xen_set_fixmap,
diff --git a/block/blk-core.c b/block/blk-core.c
index 074b758efc42..7c288358a745 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -39,6 +39,7 @@
 
 EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_remap);
 EXPORT_TRACEPOINT_SYMBOL_GPL(block_rq_remap);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_complete);
 EXPORT_TRACEPOINT_SYMBOL_GPL(block_unplug);
 
 DEFINE_IDA(blk_queue_ida);
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 6206a934eb8c..5efc5a647183 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -229,6 +229,8 @@ queue_store_##name(struct request_queue *q, const char *page, size_t count) \
         unsigned long val;                                              \
         ssize_t ret;                                                    \
         ret = queue_var_store(&val, page, count);                       \
+        if (ret < 0)                                                    \
+                 return ret;                                            \
         if (neg)                                                        \
                 val = !val;                                             \
                                                                         \
diff --git a/block/partition-generic.c b/block/partition-generic.c
index ae95ee6a58aa..789cdea05893 100644
--- a/block/partition-generic.c
+++ b/block/partition-generic.c
@@ -257,7 +257,6 @@ void delete_partition(struct gendisk *disk, int partno)
 
         hd_struct_put(part);
 }
-EXPORT_SYMBOL(delete_partition);
 
 static ssize_t whole_disk_show(struct device *dev,
                                struct device_attribute *attr, char *buf)
diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c
index ef5356cd280a..0262210cad38 100644
--- a/crypto/algif_hash.c
+++ b/crypto/algif_hash.c
@@ -161,6 +161,8 @@ static int hash_recvmsg(struct kiocb *unused, struct socket *sock,
         else if (len < ds)
                 msg->msg_flags |= MSG_TRUNC;
 
+        msg->msg_namelen = 0;
+
         lock_sock(sk);
         if (ctx->more) {
                 ctx->more = 0;
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index 6a6dfc062d2a..a1c4f0a55583 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -432,6 +432,7 @@ static int skcipher_recvmsg(struct kiocb *unused, struct socket *sock,
         long copied = 0;
 
         lock_sock(sk);
+        msg->msg_namelen = 0;
         for (iov = msg->msg_iov, iovlen = msg->msg_iovlen; iovlen > 0;
              iovlen--, iov++) {
                 unsigned long seglen = iov->iov_len;
diff --git a/crypto/gcm.c b/crypto/gcm.c
index 137ad1ec5438..13ccbda34ff9 100644
--- a/crypto/gcm.c
+++ b/crypto/gcm.c
@@ -44,6 +44,7 @@ struct crypto_rfc4543_ctx {
 
 struct crypto_rfc4543_req_ctx {
         u8 auth_tag[16];
+        u8 assocbuf[32];
         struct scatterlist cipher[1];
         struct scatterlist payload[2];
         struct scatterlist assoc[2];
@@ -1133,9 +1134,19 @@ static struct aead_request *crypto_rfc4543_crypt(struct aead_request *req,
         scatterwalk_crypto_chain(payload, dst, vdst == req->iv + 8, 2);
         assoclen += 8 + req->cryptlen - (enc ? 0 : authsize);
 
-        sg_init_table(assoc, 2);
-        sg_set_page(assoc, sg_page(req->assoc), req->assoc->length,
-                    req->assoc->offset);
+        if (req->assoc->length == req->assoclen) {
+                sg_init_table(assoc, 2);
+                sg_set_page(assoc, sg_page(req->assoc), req->assoc->length,
+                            req->assoc->offset);
+        } else {
+                BUG_ON(req->assoclen > sizeof(rctx->assocbuf));
+
+                scatterwalk_map_and_copy(rctx->assocbuf, req->assoc, 0,
+                                         req->assoclen, 0);
+
+                sg_init_table(assoc, 2);
+                sg_set_buf(assoc, rctx->assocbuf, req->assoclen);
+        }
         scatterwalk_crypto_chain(assoc, payload, 0, 2);
 
         aead_request_set_tfm(subreq, ctx->child);
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 92ed9692c47e..4bf68c8d4797 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -396,7 +396,7 @@ config ACPI_CUSTOM_METHOD
 
 config ACPI_BGRT
         bool "Boottime Graphics Resource Table support"
-        depends on EFI
+        depends on EFI && X86
         help
           This driver adds support for exposing the ACPI Boottime Graphics
           Resource Table, which allows the operating system to obtain
diff --git a/drivers/acpi/acpi_i2c.c b/drivers/acpi/acpi_i2c.c
index 82045e3f5cac..a82c7626aa9b 100644
--- a/drivers/acpi/acpi_i2c.c
+++ b/drivers/acpi/acpi_i2c.c
@@ -90,7 +90,7 @@ void acpi_i2c_register_devices(struct i2c_adapter *adapter)
         acpi_handle handle;
         acpi_status status;
 
-        handle = ACPI_HANDLE(&adapter->dev);
+        handle = ACPI_HANDLE(adapter->dev.parent);
         if (!handle)
                 return;
 
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 5ff173066127..6ae5e440436e 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -415,7 +415,6 @@ static int acpi_pci_root_add(struct acpi_device *device,
         struct acpi_pci_root *root;
         struct acpi_pci_driver *driver;
         u32 flags, base_flags;
-        bool is_osc_granted = false;
 
         root = kzalloc(sizeof(struct acpi_pci_root), GFP_KERNEL);
         if (!root)
@@ -476,6 +475,30 @@ static int acpi_pci_root_add(struct acpi_device *device,
         flags = base_flags = OSC_PCI_SEGMENT_GROUPS_SUPPORT;
         acpi_pci_osc_support(root, flags);
 
+        /*
+         * TBD: Need PCI interface for enumeration/configuration of roots.
+         */
+
+        mutex_lock(&acpi_pci_root_lock);
+        list_add_tail(&root->node, &acpi_pci_roots);
+        mutex_unlock(&acpi_pci_root_lock);
+
+        /*
+         * Scan the Root Bridge
+         * --------------------
+         * Must do this prior to any attempt to bind the root device, as the
+         * PCI namespace does not get created until this call is made (and
+         * thus the root bridge's pci_dev does not exist).
+         */
+        root->bus = pci_acpi_scan_root(root);
+        if (!root->bus) {
+                printk(KERN_ERR PREFIX
+                            "Bus %04x:%02x not present in PCI namespace\n",
+                            root->segment, (unsigned int)root->secondary.start);
+                result = -ENODEV;
+                goto out_del_root;
+        }
+
         /* Indicate support for various _OSC capabilities. */
         if (pci_ext_cfg_avail())
                 flags |= OSC_EXT_PCI_CONFIG_SUPPORT;
@@ -494,6 +517,7 @@ static int acpi_pci_root_add(struct acpi_device *device,
                         flags = base_flags;
                 }
         }
+
         if (!pcie_ports_disabled
             && (flags & ACPI_PCIE_REQ_SUPPORT) == ACPI_PCIE_REQ_SUPPORT) {
                 flags = OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL
@@ -514,54 +538,28 @@ static int acpi_pci_root_add(struct acpi_device *device,
                 status = acpi_pci_osc_control_set(device->handle, &flags,
                                        OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL);
                 if (ACPI_SUCCESS(status)) {
-                        is_osc_granted = true;
                         dev_info(&device->dev,
                                 "ACPI _OSC control (0x%02x) granted\n", flags);
+                        if (acpi_gbl_FADT.boot_flags & ACPI_FADT_NO_ASPM) {
+                                /*
+                                 * We have ASPM control, but the FADT indicates
+                                 * that it's unsupported. Clear it.
+                                 */
+                                pcie_clear_aspm(root->bus);
+                        }
                 } else {
-                        is_osc_granted = false;
                         dev_info(&device->dev,
                                 "ACPI _OSC request failed (%s), "
                                 "returned control mask: 0x%02x\n",
                                 acpi_format_exception(status), flags);
+                        pr_info("ACPI _OSC control for PCIe not granted, "
+                                "disabling ASPM\n");
+                        pcie_no_aspm();
                 }
         } else {
                 dev_info(&device->dev,
-                        "Unable to request _OSC control "
-                        "(_OSC support mask: 0x%02x)\n", flags);
-        }
-
-        /*
-         * TBD: Need PCI interface for enumeration/configuration of roots.
-         */
-
-        mutex_lock(&acpi_pci_root_lock);
-        list_add_tail(&root->node, &acpi_pci_roots);
-        mutex_unlock(&acpi_pci_root_lock);
-
-        /*
-         * Scan the Root Bridge
-         * --------------------
-         * Must do this prior to any attempt to bind the root device, as the
-         * PCI namespace does not get created until this call is made (and 
-         * thus the root bridge's pci_dev does not exist).
-         */
-        root->bus = pci_acpi_scan_root(root);
-        if (!root->bus) {
-                printk(KERN_ERR PREFIX
-                            "Bus %04x:%02x not present in PCI namespace\n",
-                            root->segment, (unsigned int)root->secondary.start);
-                result = -ENODEV;
-                goto out_del_root;
-        }
-
-        /* ASPM setting */
-        if (is_osc_granted) {
-                if (acpi_gbl_FADT.boot_flags & ACPI_FADT_NO_ASPM)
-                        pcie_clear_aspm(root->bus);
-        } else {
-                pr_info("ACPI _OSC control for PCIe not granted, "
-                        "disabling ASPM\n");
-                pcie_no_aspm();
+                         "Unable to request _OSC control "
+                         "(_OSC support mask: 0x%02x)\n", flags);
         }
 
         pci_acpi_add_bus_pm_notifier(device, root->bus);
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index fc95308e9a11..ee255c60bdac 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -66,7 +66,8 @@ module_param(latency_factor, uint, 0644);
 
 static DEFINE_PER_CPU(struct cpuidle_device *, acpi_cpuidle_device);
 
-static struct acpi_processor_cx *acpi_cstate[CPUIDLE_STATE_MAX];
+static DEFINE_PER_CPU(struct acpi_processor_cx * [CPUIDLE_STATE_MAX],
+                                                                acpi_cstate);
 
 static int disabled_by_idle_boot_param(void)
 {
@@ -722,7 +723,7 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
                 struct cpuidle_driver *drv, int index)
 {
         struct acpi_processor *pr;
-        struct acpi_processor_cx *cx = acpi_cstate[index];
+        struct acpi_processor_cx *cx = per_cpu(acpi_cstate[index], dev->cpu);
 
         pr = __this_cpu_read(processors);
 
@@ -745,7 +746,7 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
  */
 static int acpi_idle_play_dead(struct cpuidle_device *dev, int index)
 {
-        struct acpi_processor_cx *cx = acpi_cstate[index];
+        struct acpi_processor_cx *cx = per_cpu(acpi_cstate[index], dev->cpu);
 
         ACPI_FLUSH_CPU_CACHE();
 
@@ -775,7 +776,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
                 struct cpuidle_driver *drv, int index)
 {
         struct acpi_processor *pr;
-        struct acpi_processor_cx *cx = acpi_cstate[index];
+        struct acpi_processor_cx *cx = per_cpu(acpi_cstate[index], dev->cpu);
 
         pr = __this_cpu_read(processors);
 
@@ -833,7 +834,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
                 struct cpuidle_driver *drv, int index)
 {
         struct acpi_processor *pr;
-        struct acpi_processor_cx *cx = acpi_cstate[index];
+        struct acpi_processor_cx *cx = per_cpu(acpi_cstate[index], dev->cpu);
 
         pr = __this_cpu_read(processors);
 
@@ -960,7 +961,7 @@ static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr,
                     !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED))
                         continue;
 #endif
-                acpi_cstate[count] = cx;
+                per_cpu(acpi_cstate[count], dev->cpu) = cx;
 
                 count++;
                 if (count == CPUIDLE_STATE_MAX)
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index ffdd32d22602..2f48123d74c4 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -150,6 +150,7 @@ enum piix_controller_ids {
         tolapai_sata,
         piix_pata_vmw,                  /* PIIX4 for VMware, spurious DMA_ERR */
         ich8_sata_snb,
+        ich8_2port_sata_snb,
 };
 
 struct piix_map_db {
@@ -304,7 +305,7 @@ static const struct pci_device_id piix_pci_tbl[] = {
         /* SATA Controller IDE (Lynx Point) */
         { 0x8086, 0x8c01, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
         /* SATA Controller IDE (Lynx Point) */
-        { 0x8086, 0x8c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+        { 0x8086, 0x8c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_snb },
         /* SATA Controller IDE (Lynx Point) */
         { 0x8086, 0x8c09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
         /* SATA Controller IDE (Lynx Point-LP) */
@@ -439,6 +440,7 @@ static const struct piix_map_db *piix_map_db_table[] = {
         [ich8m_apple_sata]      = &ich8m_apple_map_db,
         [tolapai_sata]          = &tolapai_map_db,
         [ich8_sata_snb]         = &ich8_map_db,
+        [ich8_2port_sata_snb]   = &ich8_2port_map_db,
 };
 
 static struct pci_bits piix_enable_bits[] = {
@@ -1242,6 +1244,16 @@ static struct ata_port_info piix_port_info[] = {
                 .udma_mask      = ATA_UDMA6,
                 .port_ops       = &piix_sata_ops,
         },
+
+        [ich8_2port_sata_snb] =
+        {
+                .flags          = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR
+                                        | PIIX_FLAG_PIO16,
+                .pio_mask       = ATA_PIO4,
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA6,
+                .port_ops       = &piix_sata_ops,
+        },
 };
 
 #define AHCI_PCI_BAR 5
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 497adea1f0d6..63c743baf920 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2329,7 +2329,7 @@ int ata_dev_configure(struct ata_device *dev)
                  * from SATA Settings page of Identify Device Data Log.
                  */
                 if (ata_id_has_devslp(dev->id)) {
-                        u8 sata_setting[ATA_SECT_SIZE];
+                        u8 *sata_setting = ap->sector_buf;
                         int i, j;
 
                         dev->flags |= ATA_DFLAG_DEVSLP;
@@ -2439,6 +2439,9 @@ int ata_dev_configure(struct ata_device *dev)
                 dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_128,
                                          dev->max_sectors);
 
+        if (dev->horkage & ATA_HORKAGE_MAX_SEC_LBA48)
+                dev->max_sectors = ATA_MAX_SECTORS_LBA48;
+
         if (ap->ops->dev_config)
                 ap->ops->dev_config(dev);
 
@@ -4100,6 +4103,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
         /* Weird ATAPI devices */
         { "TORiSAN DVD-ROM DRD-N216", NULL,     ATA_HORKAGE_MAX_SEC_128 },
         { "QUANTUM DAT    DAT72-000", NULL,     ATA_HORKAGE_ATAPI_MOD16_DMA },
+        { "Slimtype DVD A  DS8A8SH", NULL,      ATA_HORKAGE_MAX_SEC_LBA48 },
 
         /* Devices we expect to fail diagnostics */
 
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 318b41358187..ff44787e5a45 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -532,8 +532,8 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
                         struct scsi_sense_hdr sshdr;
                         scsi_normalize_sense(sensebuf, SCSI_SENSE_BUFFERSIZE,
                                              &sshdr);
-                        if (sshdr.sense_key == 0 &&
-                            sshdr.asc == 0 && sshdr.ascq == 0)
+                        if (sshdr.sense_key == RECOVERED_ERROR &&
+                            sshdr.asc == 0 && sshdr.ascq == 0x1d)
                                 cmd_result &= ~SAM_STAT_CHECK_CONDITION;
                 }
 
@@ -618,8 +618,8 @@ int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg)
                         struct scsi_sense_hdr sshdr;
                         scsi_normalize_sense(sensebuf, SCSI_SENSE_BUFFERSIZE,
                                                 &sshdr);
-                        if (sshdr.sense_key == 0 &&
-                                sshdr.asc == 0 && sshdr.ascq == 0)
+                        if (sshdr.sense_key == RECOVERED_ERROR &&
+                            sshdr.asc == 0 && sshdr.ascq == 0x1d)
                                 cmd_result &= ~SAM_STAT_CHECK_CONDITION;
                 }
 
diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c
index 5f74587ef258..71671c42ef45 100644
--- a/drivers/base/power/qos.c
+++ b/drivers/base/power/qos.c
@@ -46,6 +46,7 @@
 #include "power.h"
 
 static DEFINE_MUTEX(dev_pm_qos_mtx);
+static DEFINE_MUTEX(dev_pm_qos_sysfs_mtx);
 
 static BLOCKING_NOTIFIER_HEAD(dev_pm_notifiers);
 
@@ -216,12 +217,17 @@ void dev_pm_qos_constraints_destroy(struct device *dev)
         struct pm_qos_constraints *c;
         struct pm_qos_flags *f;
 
-        mutex_lock(&dev_pm_qos_mtx);
+        mutex_lock(&dev_pm_qos_sysfs_mtx);
 
         /*
          * If the device's PM QoS resume latency limit or PM QoS flags have been
          * exposed to user space, they have to be hidden at this point.
          */
+        pm_qos_sysfs_remove_latency(dev);
+        pm_qos_sysfs_remove_flags(dev);
+
+        mutex_lock(&dev_pm_qos_mtx);
+
         __dev_pm_qos_hide_latency_limit(dev);
         __dev_pm_qos_hide_flags(dev);
 
@@ -254,6 +260,8 @@ void dev_pm_qos_constraints_destroy(struct device *dev)
 
  out:
         mutex_unlock(&dev_pm_qos_mtx);
+
+        mutex_unlock(&dev_pm_qos_sysfs_mtx);
 }
 
 /**
@@ -558,6 +566,14 @@ static void __dev_pm_qos_drop_user_request(struct device *dev,
         kfree(req);
 }
 
+static void dev_pm_qos_drop_user_request(struct device *dev,
+                                         enum dev_pm_qos_req_type type)
+{
+        mutex_lock(&dev_pm_qos_mtx);
+        __dev_pm_qos_drop_user_request(dev, type);
+        mutex_unlock(&dev_pm_qos_mtx);
+}
+
 /**
  * dev_pm_qos_expose_latency_limit - Expose PM QoS latency limit to user space.
  * @dev: Device whose PM QoS latency limit is to be exposed to user space.
@@ -581,6 +597,8 @@ int dev_pm_qos_expose_latency_limit(struct device *dev, s32 value)
                 return ret;
         }
 
+        mutex_lock(&dev_pm_qos_sysfs_mtx);
+
         mutex_lock(&dev_pm_qos_mtx);
 
         if (IS_ERR_OR_NULL(dev->power.qos))
@@ -591,26 +609,27 @@ int dev_pm_qos_expose_latency_limit(struct device *dev, s32 value)
         if (ret < 0) {
                 __dev_pm_qos_remove_request(req);
                 kfree(req);
+                mutex_unlock(&dev_pm_qos_mtx);
                 goto out;
         }
-
         dev->power.qos->latency_req = req;
+
+        mutex_unlock(&dev_pm_qos_mtx);
+
         ret = pm_qos_sysfs_add_latency(dev);
         if (ret)
-                __dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_LATENCY);
+                dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_LATENCY);
 
  out:
-        mutex_unlock(&dev_pm_qos_mtx);
+        mutex_unlock(&dev_pm_qos_sysfs_mtx);
         return ret;
 }
 EXPORT_SYMBOL_GPL(dev_pm_qos_expose_latency_limit);
 
 static void __dev_pm_qos_hide_latency_limit(struct device *dev)
 {
-        if (!IS_ERR_OR_NULL(dev->power.qos) && dev->power.qos->latency_req) {
-                pm_qos_sysfs_remove_latency(dev);
+        if (!IS_ERR_OR_NULL(dev->power.qos) && dev->power.qos->latency_req)
                 __dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_LATENCY);
-        }
 }
 
 /**
@@ -619,9 +638,15 @@ static void __dev_pm_qos_hide_latency_limit(struct device *dev)
  */
 void dev_pm_qos_hide_latency_limit(struct device *dev)
 {
+        mutex_lock(&dev_pm_qos_sysfs_mtx);
+
+        pm_qos_sysfs_remove_latency(dev);
+
         mutex_lock(&dev_pm_qos_mtx);
         __dev_pm_qos_hide_latency_limit(dev);
         mutex_unlock(&dev_pm_qos_mtx);
+
+        mutex_unlock(&dev_pm_qos_sysfs_mtx);
 }
 EXPORT_SYMBOL_GPL(dev_pm_qos_hide_latency_limit);
 
@@ -649,6 +674,8 @@ int dev_pm_qos_expose_flags(struct device *dev, s32 val)
         }
 
         pm_runtime_get_sync(dev);
+        mutex_lock(&dev_pm_qos_sysfs_mtx);
+
         mutex_lock(&dev_pm_qos_mtx);
 
         if (IS_ERR_OR_NULL(dev->power.qos))
@@ -659,16 +686,19 @@ int dev_pm_qos_expose_flags(struct device *dev, s32 val)
         if (ret < 0) {
                 __dev_pm_qos_remove_request(req);
                 kfree(req);
+                mutex_unlock(&dev_pm_qos_mtx);
                 goto out;
         }
-
         dev->power.qos->flags_req = req;
+
+        mutex_unlock(&dev_pm_qos_mtx);
+
         ret = pm_qos_sysfs_add_flags(dev);
         if (ret)
-                __dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_FLAGS);
+                dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_FLAGS);
 
  out:
-        mutex_unlock(&dev_pm_qos_mtx);
+        mutex_unlock(&dev_pm_qos_sysfs_mtx);
         pm_runtime_put(dev);
         return ret;
 }
@@ -676,10 +706,8 @@ EXPORT_SYMBOL_GPL(dev_pm_qos_expose_flags);
 
 static void __dev_pm_qos_hide_flags(struct device *dev)
 {
-        if (!IS_ERR_OR_NULL(dev->power.qos) && dev->power.qos->flags_req) {
-                pm_qos_sysfs_remove_flags(dev);
+        if (!IS_ERR_OR_NULL(dev->power.qos) && dev->power.qos->flags_req)
                 __dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_FLAGS);
-        }
 }
 
 /**
@@ -689,9 +717,15 @@ static void __dev_pm_qos_hide_flags(struct device *dev)
 void dev_pm_qos_hide_flags(struct device *dev)
 {
         pm_runtime_get_sync(dev);
+        mutex_lock(&dev_pm_qos_sysfs_mtx);
+
+        pm_qos_sysfs_remove_flags(dev);
+
         mutex_lock(&dev_pm_qos_mtx);
         __dev_pm_qos_hide_flags(dev);
         mutex_unlock(&dev_pm_qos_mtx);
+
+        mutex_unlock(&dev_pm_qos_sysfs_mtx);
         pm_runtime_put(dev);
 }
 EXPORT_SYMBOL_GPL(dev_pm_qos_hide_flags);
diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c
index e6732cf7c06e..79f4fca9877a 100644
--- a/drivers/base/regmap/regcache-rbtree.c
+++ b/drivers/base/regmap/regcache-rbtree.c
@@ -398,7 +398,7 @@ static int regcache_rbtree_sync(struct regmap *map, unsigned int min,
                         base = 0;
 
                 if (max < rbnode->base_reg + rbnode->blklen)
-                        end = rbnode->base_reg + rbnode->blklen - max;
+                        end = max - rbnode->base_reg + 1;
                 else
                         end = rbnode->blklen;
 
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 3d2367501fd0..58cfb3232428 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -710,12 +710,12 @@ skip_format_initialization:
                 }
         }
 
+        regmap_debugfs_init(map, config->name);
+
         ret = regcache_init(map, config);
         if (ret != 0)
                 goto err_range;
 
-        regmap_debugfs_init(map, config->name);
-
         /* Add a devres resource for dev_get_regmap() */
         m = devres_alloc(dev_get_regmap_release, sizeof(*m), GFP_KERNEL);
         if (!m) {
@@ -1036,6 +1036,8 @@ static int _regmap_raw_write(struct regmap *map, unsigned int reg,
                         kfree(async->work_buf);
                         kfree(async);
                 }
+
+                return ret;
         }
 
         trace_regmap_hw_write_start(map->dev, reg,
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 25ef5c014fca..92b6d7c51e39 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -51,8 +51,9 @@ new_skb(ulong len)
 {
         struct sk_buff *skb;
 
-        skb = alloc_skb(len, GFP_ATOMIC);
+        skb = alloc_skb(len + MAX_HEADER, GFP_ATOMIC);
         if (skb) {
+                skb_reserve(skb, MAX_HEADER);
                 skb_reset_mac_header(skb);
                 skb_reset_network_header(skb);
                 skb->protocol = __constant_htons(ETH_P_AOE);
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index fe5f6403417f..dfe758382eaf 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -922,6 +922,11 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode,
                 lo->lo_flags |= LO_FLAGS_PARTSCAN;
         if (lo->lo_flags & LO_FLAGS_PARTSCAN)
                 ioctl_by_bdev(bdev, BLKRRPART, 0);
+
+        /* Grab the block_device to prevent its destruction after we
+         * put /dev/loopXX inode. Later in loop_clr_fd() we bdput(bdev).
+         */
+        bdgrab(bdev);
         return 0;
 
 out_clr:
@@ -1031,8 +1036,10 @@ static int loop_clr_fd(struct loop_device *lo)
         memset(lo->lo_encrypt_key, 0, LO_KEY_SIZE);
         memset(lo->lo_crypt_name, 0, LO_NAME_SIZE);
         memset(lo->lo_file_name, 0, LO_NAME_SIZE);
-        if (bdev)
+        if (bdev) {
+                bdput(bdev);
                 invalidate_bdev(bdev);
+        }
         set_capacity(lo->lo_disk, 0);
         loop_sysfs_exit(lo);
         if (bdev) {
@@ -1044,29 +1051,12 @@ static int loop_clr_fd(struct loop_device *lo)
         lo->lo_state = Lo_unbound;
         /* This is safe: open() is still holding a reference. */
         module_put(THIS_MODULE);
+        if (lo->lo_flags & LO_FLAGS_PARTSCAN && bdev)
+                ioctl_by_bdev(bdev, BLKRRPART, 0);
         lo->lo_flags = 0;
         if (!part_shift)
                 lo->lo_disk->flags |= GENHD_FL_NO_PART_SCAN;
         mutex_unlock(&lo->lo_ctl_mutex);
-
-        /*
-         * Remove all partitions, since BLKRRPART won't remove user
-         * added partitions when max_part=0
-         */
-        if (bdev) {
-                struct disk_part_iter piter;
-                struct hd_struct *part;
-
-                mutex_lock_nested(&bdev->bd_mutex, 1);
-                invalidate_partition(bdev->bd_disk, 0);
-                disk_part_iter_init(&piter, bdev->bd_disk,
-                                        DISK_PITER_INCL_EMPTY);
-                while ((part = disk_part_iter_next(&piter)))
-                        delete_partition(bdev->bd_disk, part->partno);
-                disk_part_iter_exit(&piter);
-                mutex_unlock(&bdev->bd_mutex);
-        }
-
         /*
          * Need not hold lo_ctl_mutex to fput backing file.
          * Calling fput holding lo_ctl_mutex triggers a circular
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 92250af84e7d..32c678028e53 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -81,12 +81,17 @@
 /* Device instance number, incremented each time a device is probed. */
 static int instance;
 
+struct list_head online_list;
+struct list_head removing_list;
+spinlock_t dev_lock;
+
 /*
  * Global variable used to hold the major block device number
  * allocated in mtip_init().
  */
 static int mtip_major;
 static struct dentry *dfs_parent;
+static struct dentry *dfs_device_status;
 
 static u32 cpu_use[NR_CPUS];
 
@@ -243,40 +248,31 @@ static inline void release_slot(struct mtip_port *port, int tag)
 /*
  * Reset the HBA (without sleeping)
  *
- * Just like hba_reset, except does not call sleep, so can be
- * run from interrupt/tasklet context.
- *
  * @dd Pointer to the driver data structure.
  *
  * return value
  *      0       The reset was successful.
  *      -1      The HBA Reset bit did not clear.
  */
-static int hba_reset_nosleep(struct driver_data *dd)
+static int mtip_hba_reset(struct driver_data *dd)
 {
         unsigned long timeout;
 
-        /* Chip quirk: quiesce any chip function */
-        mdelay(10);
-
         /* Set the reset bit */
         writel(HOST_RESET, dd->mmio + HOST_CTL);
 
         /* Flush */
         readl(dd->mmio + HOST_CTL);
 
-        /*
-         * Wait 10ms then spin for up to 1 second
-         * waiting for reset acknowledgement
-         */
-        timeout = jiffies + msecs_to_jiffies(1000);
-        mdelay(10);
-        while ((readl(dd->mmio + HOST_CTL) & HOST_RESET)
-                 && time_before(jiffies, timeout))
-                mdelay(1);
+        /* Spin for up to 2 seconds, waiting for reset acknowledgement */
+        timeout = jiffies + msecs_to_jiffies(2000);
+        do {
+                mdelay(10);
+                if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag))
+                        return -1;
 
-        if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag))
-                return -1;
+        } while ((readl(dd->mmio + HOST_CTL) & HOST_RESET)
+                 && time_before(jiffies, timeout));
 
         if (readl(dd->mmio + HOST_CTL) & HOST_RESET)
                 return -1;
@@ -481,7 +477,7 @@ static void mtip_restart_port(struct mtip_port *port)
                 dev_warn(&port->dd->pdev->dev,
                         "PxCMD.CR not clear, escalating reset\n");
 
-                if (hba_reset_nosleep(port->dd))
+                if (mtip_hba_reset(port->dd))
                         dev_err(&port->dd->pdev->dev,
                                 "HBA reset escalation failed.\n");
 
@@ -527,6 +523,26 @@ static void mtip_restart_port(struct mtip_port *port)
 
 }
 
+static int mtip_device_reset(struct driver_data *dd)
+{
+        int rv = 0;
+
+        if (mtip_check_surprise_removal(dd->pdev))
+                return 0;
+
+        if (mtip_hba_reset(dd) < 0)
+                rv = -EFAULT;
+
+        mdelay(1);
+        mtip_init_port(dd->port);
+        mtip_start_port(dd->port);
+
+        /* Enable interrupts on the HBA. */
+        writel(readl(dd->mmio + HOST_CTL) | HOST_IRQ_EN,
+                                        dd->mmio + HOST_CTL);
+        return rv;
+}
+
 /*
  * Helper function for tag logging
  */
@@ -632,7 +648,7 @@ static void mtip_timeout_function(unsigned long int data)
         if (cmdto_cnt) {
                 print_tags(port->dd, "timed out", tagaccum, cmdto_cnt);
                 if (!test_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags)) {
-                        mtip_restart_port(port);
+                        mtip_device_reset(port->dd);
                         wake_up_interruptible(&port->svc_wait);
                 }
                 clear_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags);
@@ -1283,11 +1299,11 @@ static int mtip_exec_internal_command(struct mtip_port *port,
         int rv = 0, ready2go = 1;
         struct mtip_cmd *int_cmd = &port->commands[MTIP_TAG_INTERNAL];
         unsigned long to;
+        struct driver_data *dd = port->dd;
 
         /* Make sure the buffer is 8 byte aligned. This is asic specific. */
         if (buffer & 0x00000007) {
-                dev_err(&port->dd->pdev->dev,
-                        "SG buffer is not 8 byte aligned\n");
+                dev_err(&dd->pdev->dev, "SG buffer is not 8 byte aligned\n");
                 return -EFAULT;
         }
 
@@ -1300,23 +1316,21 @@ static int mtip_exec_internal_command(struct mtip_port *port,
                 mdelay(100);
         } while (time_before(jiffies, to));
         if (!ready2go) {
-                dev_warn(&port->dd->pdev->dev,
+                dev_warn(&dd->pdev->dev,
                         "Internal cmd active. new cmd [%02X]\n", fis->command);
                 return -EBUSY;
         }
         set_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags);
         port->ic_pause_timer = 0;
 
-        if (fis->command == ATA_CMD_SEC_ERASE_UNIT)
-                clear_bit(MTIP_PF_SE_ACTIVE_BIT, &port->flags);
-        else if (fis->command == ATA_CMD_DOWNLOAD_MICRO)
-                clear_bit(MTIP_PF_DM_ACTIVE_BIT, &port->flags);
+        clear_bit(MTIP_PF_SE_ACTIVE_BIT, &port->flags);
+        clear_bit(MTIP_PF_DM_ACTIVE_BIT, &port->flags);
 
         if (atomic == GFP_KERNEL) {
                 if (fis->command != ATA_CMD_STANDBYNOW1) {
                         /* wait for io to complete if non atomic */
                         if (mtip_quiesce_io(port, 5000) < 0) {
-                                dev_warn(&port->dd->pdev->dev,
+                                dev_warn(&dd->pdev->dev,
                                         "Failed to quiesce IO\n");
                                 release_slot(port, MTIP_TAG_INTERNAL);
                                 clear_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags);
@@ -1361,58 +1375,84 @@ static int mtip_exec_internal_command(struct mtip_port *port,
         /* Issue the command to the hardware */
         mtip_issue_non_ncq_command(port, MTIP_TAG_INTERNAL);
 
-        /* Poll if atomic, wait_for_completion otherwise */
         if (atomic == GFP_KERNEL) {
                 /* Wait for the command to complete or timeout. */
-                if (wait_for_completion_timeout(
+                if (wait_for_completion_interruptible_timeout(
                                 &wait,
-                                msecs_to_jiffies(timeout)) == 0) {
-                        dev_err(&port->dd->pdev->dev,
-                                "Internal command did not complete [%d] "
-                                "within timeout of  %lu ms\n",
-                                atomic, timeout);
-                        if (mtip_check_surprise_removal(port->dd->pdev) ||
+                                msecs_to_jiffies(timeout)) <= 0) {
+                        if (rv == -ERESTARTSYS) { /* interrupted */
+                                dev_err(&dd->pdev->dev,
+                                        "Internal command [%02X] was interrupted after %lu ms\n",
+                                        fis->command, timeout);
+                                rv = -EINTR;
+                                goto exec_ic_exit;
+                        } else if (rv == 0) /* timeout */
+                                dev_err(&dd->pdev->dev,
+                                        "Internal command did not complete [%02X] within timeout of  %lu ms\n",
+                                        fis->command, timeout);
+                        else
+                                dev_err(&dd->pdev->dev,
+                                        "Internal command [%02X] wait returned code [%d] after %lu ms - unhandled\n",
+                                        fis->command, rv, timeout);
+
+                        if (mtip_check_surprise_removal(dd->pdev) ||
                                 test_bit(MTIP_DDF_REMOVE_PENDING_BIT,
-                                                &port->dd->dd_flag)) {
+                                                &dd->dd_flag)) {
+                                dev_err(&dd->pdev->dev,
+                                        "Internal command [%02X] wait returned due to SR\n",
+                                        fis->command);
                                 rv = -ENXIO;
                                 goto exec_ic_exit;
                         }
+                        mtip_device_reset(dd); /* recover from timeout issue */
                         rv = -EAGAIN;
+                        goto exec_ic_exit;
                 }
         } else {
+                u32 hba_stat, port_stat;
+
                 /* Spin for <timeout> checking if command still outstanding */
                 timeout = jiffies + msecs_to_jiffies(timeout);
                 while ((readl(port->cmd_issue[MTIP_TAG_INTERNAL])
                                 & (1 << MTIP_TAG_INTERNAL))
                                 && time_before(jiffies, timeout)) {
-                        if (mtip_check_surprise_removal(port->dd->pdev)) {
+                        if (mtip_check_surprise_removal(dd->pdev)) {
                                 rv = -ENXIO;
                                 goto exec_ic_exit;
                         }
                         if ((fis->command != ATA_CMD_STANDBYNOW1) &&
                                 test_bit(MTIP_DDF_REMOVE_PENDING_BIT,
-                                                &port->dd->dd_flag)) {
+                                                &dd->dd_flag)) {
                                 rv = -ENXIO;
                                 goto exec_ic_exit;
                         }
-                        if (readl(port->mmio + PORT_IRQ_STAT) & PORT_IRQ_ERR) {
-                                atomic_inc(&int_cmd->active); /* error */
-                                break;
+                        port_stat = readl(port->mmio + PORT_IRQ_STAT);
+                        if (!port_stat)
+                                continue;
+
+                        if (port_stat & PORT_IRQ_ERR) {
+                                dev_err(&dd->pdev->dev,
+                                        "Internal command [%02X] failed\n",
+                                        fis->command);
+                                mtip_device_reset(dd);
+                                rv = -EIO;
+                                goto exec_ic_exit;
+                        } else {
+                                writel(port_stat, port->mmio + PORT_IRQ_STAT);
+                                hba_stat = readl(dd->mmio + HOST_IRQ_STAT);
+                                if (hba_stat)
+                                        writel(hba_stat,
+                                                dd->mmio + HOST_IRQ_STAT);
                         }
+                        break;
                 }
         }
 
-        if (atomic_read(&int_cmd->active) > 1) {
-                dev_err(&port->dd->pdev->dev,
-                        "Internal command [%02X] failed\n", fis->command);
-                rv = -EIO;
-        }
         if (readl(port->cmd_issue[MTIP_TAG_INTERNAL])
                         & (1 << MTIP_TAG_INTERNAL)) {
                 rv = -ENXIO;
-                if (!test_bit(MTIP_DDF_REMOVE_PENDING_BIT,
-                                        &port->dd->dd_flag)) {
-                        mtip_restart_port(port);
+                if (!test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag)) {
+                        mtip_device_reset(dd);
                         rv = -EAGAIN;
                 }
         }
@@ -1724,7 +1764,8 @@ static int mtip_get_smart_attr(struct mtip_port *port, unsigned int id,
  *      -EINVAL         Invalid parameters passed in, trim not supported
  *      -EIO            Error submitting trim request to hw
  */
-static int mtip_send_trim(struct driver_data *dd, unsigned int lba, unsigned int len)
+static int mtip_send_trim(struct driver_data *dd, unsigned int lba,
+                                unsigned int len)
 {
         int i, rv = 0;
         u64 tlba, tlen, sect_left;
@@ -1811,45 +1852,6 @@ static bool mtip_hw_get_capacity(struct driver_data *dd, sector_t *sectors)
 }
 
 /*
- * Reset the HBA.
- *
- * Resets the HBA by setting the HBA Reset bit in the Global
- * HBA Control register. After setting the HBA Reset bit the
- * function waits for 1 second before reading the HBA Reset
- * bit to make sure it has cleared. If HBA Reset is not clear
- * an error is returned. Cannot be used in non-blockable
- * context.
- *
- * @dd Pointer to the driver data structure.
- *
- * return value
- *      0  The reset was successful.
- *      -1 The HBA Reset bit did not clear.
- */
-static int mtip_hba_reset(struct driver_data *dd)
-{
-        mtip_deinit_port(dd->port);
-
-        /* Set the reset bit */
-        writel(HOST_RESET, dd->mmio + HOST_CTL);
-
-        /* Flush */
-        readl(dd->mmio + HOST_CTL);
-
-        /* Wait for reset to clear */
-        ssleep(1);
-
-        /* Check the bit has cleared */
-        if (readl(dd->mmio + HOST_CTL) & HOST_RESET) {
-                dev_err(&dd->pdev->dev,
-                        "Reset bit did not clear.\n");
-                return -1;
-        }
-
-        return 0;
-}
-
-/*
  * Display the identify command data.
  *
  * @port Pointer to the port data structure.
@@ -2710,6 +2712,100 @@ static ssize_t mtip_hw_show_status(struct device *dev,
 
 static DEVICE_ATTR(status, S_IRUGO, mtip_hw_show_status, NULL);
 
+/* debugsfs entries */
+
+static ssize_t show_device_status(struct device_driver *drv, char *buf)
+{
+        int size = 0;
+        struct driver_data *dd, *tmp;
+        unsigned long flags;
+        char id_buf[42];
+        u16 status = 0;
+
+        spin_lock_irqsave(&dev_lock, flags);
+        size += sprintf(&buf[size], "Devices Present:\n");
+        list_for_each_entry_safe(dd, tmp, &online_list, online_list) {
+                if (dd->pdev) {
+                        if (dd->port &&
+                            dd->port->identify &&
+                            dd->port->identify_valid) {
+                                strlcpy(id_buf,
+                                        (char *) (dd->port->identify + 10), 21);
+                                status = *(dd->port->identify + 141);
+                        } else {
+                                memset(id_buf, 0, 42);
+                                status = 0;
+                        }
+
+                        if (dd->port &&
+                            test_bit(MTIP_PF_REBUILD_BIT, &dd->port->flags)) {
+                                size += sprintf(&buf[size],
+                                        " device %s %s (ftl rebuild %d %%)\n",
+                                        dev_name(&dd->pdev->dev),
+                                        id_buf,
+                                        status);
+                        } else {
+                                size += sprintf(&buf[size],
+                                        " device %s %s\n",
+                                        dev_name(&dd->pdev->dev),
+                                        id_buf);
+                        }
+                }
+        }
+
+        size += sprintf(&buf[size], "Devices Being Removed:\n");
+        list_for_each_entry_safe(dd, tmp, &removing_list, remove_list) {
+                if (dd->pdev) {
+                        if (dd->port &&
+                            dd->port->identify &&
+                            dd->port->identify_valid) {
+                                strlcpy(id_buf,
+                                        (char *) (dd->port->identify+10), 21);
+                                status = *(dd->port->identify + 141);
+                        } else {
+                                memset(id_buf, 0, 42);
+                                status = 0;
+                        }
+
+                        if (dd->port &&
+                            test_bit(MTIP_PF_REBUILD_BIT, &dd->port->flags)) {
+                                size += sprintf(&buf[size],
+                                        " device %s %s (ftl rebuild %d %%)\n",
+                                        dev_name(&dd->pdev->dev),
+                                        id_buf,
+                                        status);
+                        } else {
+                                size += sprintf(&buf[size],
+                                        " device %s %s\n",
+                                        dev_name(&dd->pdev->dev),
+                                        id_buf);
+                        }
+                }
+        }
+        spin_unlock_irqrestore(&dev_lock, flags);
+
+        return size;
+}
+
+static ssize_t mtip_hw_read_device_status(struct file *f, char __user *ubuf,
+                                                size_t len, loff_t *offset)
+{
+        int size = *offset;
+        char buf[MTIP_DFS_MAX_BUF_SIZE];
+
+        if (!len || *offset)
+                return 0;
+
+        size += show_device_status(NULL, buf);
+
+        *offset = size <= len ? size : len;
+        size = copy_to_user(ubuf, buf, *offset);
+        if (size)
+                return -EFAULT;
+
+        return *offset;
+}
+
 static ssize_t mtip_hw_read_registers(struct file *f, char __user *ubuf,
                                   size_t len, loff_t *offset)
 {
@@ -2804,6 +2900,13 @@ static ssize_t mtip_hw_read_flags(struct file *f, char __user *ubuf,
         return *offset;
 }
 
+static const struct file_operations mtip_device_status_fops = {
+        .owner  = THIS_MODULE,
+        .open   = simple_open,
+        .read   = mtip_hw_read_device_status,
+        .llseek = no_llseek,
+};
+
 static const struct file_operations mtip_regs_fops = {
         .owner  = THIS_MODULE,
         .open   = simple_open,
@@ -4161,6 +4264,7 @@ static int mtip_pci_probe(struct pci_dev *pdev,
         const struct cpumask *node_mask;
         int cpu, i = 0, j = 0;
         int my_node = NUMA_NO_NODE;
+        unsigned long flags;
 
         /* Allocate memory for this devices private data. */
         my_node = pcibus_to_node(pdev->bus);
@@ -4218,6 +4322,9 @@ static int mtip_pci_probe(struct pci_dev *pdev,
         dd->pdev        = pdev;
         dd->numa_node   = my_node;
 
+        INIT_LIST_HEAD(&dd->online_list);
+        INIT_LIST_HEAD(&dd->remove_list);
+
         memset(dd->workq_name, 0, 32);
         snprintf(dd->workq_name, 31, "mtipq%d", dd->instance);
 
@@ -4305,6 +4412,14 @@ static int mtip_pci_probe(struct pci_dev *pdev,
         instance++;
         if (rv != MTIP_FTL_REBUILD_MAGIC)
                 set_bit(MTIP_DDF_INIT_DONE_BIT, &dd->dd_flag);
+        else
+                rv = 0; /* device in rebuild state, return 0 from probe */
+
+        /* Add to online list even if in ftl rebuild */
+        spin_lock_irqsave(&dev_lock, flags);
+        list_add(&dd->online_list, &online_list);
+        spin_unlock_irqrestore(&dev_lock, flags);
+
         goto done;
 
 block_initialize_err:
@@ -4338,9 +4453,15 @@ static void mtip_pci_remove(struct pci_dev *pdev)
 {
         struct driver_data *dd = pci_get_drvdata(pdev);
         int counter = 0;
+        unsigned long flags;
 
         set_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag);
 
+        spin_lock_irqsave(&dev_lock, flags);
+        list_del_init(&dd->online_list);
+        list_add(&dd->remove_list, &removing_list);
+        spin_unlock_irqrestore(&dev_lock, flags);
+
         if (mtip_check_surprise_removal(pdev)) {
                 while (!test_bit(MTIP_DDF_CLEANUP_BIT, &dd->dd_flag)) {
                         counter++;
@@ -4366,6 +4487,10 @@ static void mtip_pci_remove(struct pci_dev *pdev)
 
         pci_disable_msi(pdev);
 
+        spin_lock_irqsave(&dev_lock, flags);
+        list_del_init(&dd->remove_list);
+        spin_unlock_irqrestore(&dev_lock, flags);
+
         kfree(dd);
         pcim_iounmap_regions(pdev, 1 << MTIP_ABAR);
 }
@@ -4513,6 +4638,11 @@ static int __init mtip_init(void)
 
         pr_info(MTIP_DRV_NAME " Version " MTIP_DRV_VERSION "\n");
 
+        spin_lock_init(&dev_lock);
+
+        INIT_LIST_HEAD(&online_list);
+        INIT_LIST_HEAD(&removing_list);
+
         /* Allocate a major block device number to use with this driver. */
         error = register_blkdev(0, MTIP_DRV_NAME);
         if (error <= 0) {
@@ -4522,11 +4652,18 @@ static int __init mtip_init(void)
         }
         mtip_major = error;
 
-        if (!dfs_parent) {
-                dfs_parent = debugfs_create_dir("rssd", NULL);
-                if (IS_ERR_OR_NULL(dfs_parent)) {
-                        pr_warn("Error creating debugfs parent\n");
-                        dfs_parent = NULL;
+        dfs_parent = debugfs_create_dir("rssd", NULL);
+        if (IS_ERR_OR_NULL(dfs_parent)) {
+                pr_warn("Error creating debugfs parent\n");
+                dfs_parent = NULL;
+        }
+        if (dfs_parent) {
+                dfs_device_status = debugfs_create_file("device_status",
+                                        S_IRUGO, dfs_parent, NULL,
+                                        &mtip_device_status_fops);
+                if (IS_ERR_OR_NULL(dfs_device_status)) {
+                        pr_err("Error creating device_status node\n");
+                        dfs_device_status = NULL;
                 }
         }
 
diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h
index 3bffff5f670c..8e8334c9dd0f 100644
--- a/drivers/block/mtip32xx/mtip32xx.h
+++ b/drivers/block/mtip32xx/mtip32xx.h
@@ -129,9 +129,9 @@ enum {
         MTIP_PF_EH_ACTIVE_BIT       = 1, /* error handling */
         MTIP_PF_SE_ACTIVE_BIT       = 2, /* secure erase */
         MTIP_PF_DM_ACTIVE_BIT       = 3, /* download microcde */
-        MTIP_PF_PAUSE_IO      = ((1 << MTIP_PF_IC_ACTIVE_BIT) | \
-                                (1 << MTIP_PF_EH_ACTIVE_BIT) | \
-                                (1 << MTIP_PF_SE_ACTIVE_BIT) | \
+        MTIP_PF_PAUSE_IO      = ((1 << MTIP_PF_IC_ACTIVE_BIT) |
+                                (1 << MTIP_PF_EH_ACTIVE_BIT) |
+                                (1 << MTIP_PF_SE_ACTIVE_BIT) |
                                 (1 << MTIP_PF_DM_ACTIVE_BIT)),
 
         MTIP_PF_SVC_THD_ACTIVE_BIT  = 4,
@@ -144,9 +144,9 @@ enum {
         MTIP_DDF_REMOVE_PENDING_BIT = 1,
         MTIP_DDF_OVER_TEMP_BIT      = 2,
         MTIP_DDF_WRITE_PROTECT_BIT  = 3,
-        MTIP_DDF_STOP_IO      = ((1 << MTIP_DDF_REMOVE_PENDING_BIT) | \
-                                (1 << MTIP_DDF_SEC_LOCK_BIT) | \
-                                (1 << MTIP_DDF_OVER_TEMP_BIT) | \
+        MTIP_DDF_STOP_IO      = ((1 << MTIP_DDF_REMOVE_PENDING_BIT) |
+                                (1 << MTIP_DDF_SEC_LOCK_BIT) |
+                                (1 << MTIP_DDF_OVER_TEMP_BIT) |
                                 (1 << MTIP_DDF_WRITE_PROTECT_BIT)),
 
         MTIP_DDF_CLEANUP_BIT        = 5,
@@ -180,7 +180,7 @@ struct mtip_work {
 
 #define MTIP_TRIM_TIMEOUT_MS            240000
 #define MTIP_MAX_TRIM_ENTRIES           8
-#define MTIP_MAX_TRIM_ENTRY_LEN         0xfff8
+#define MTIP_MAX_TRIM_ENTRY_LEN         0xfff8
 
 struct mtip_trim_entry {
         u32 lba;   /* starting lba of region */
@@ -501,6 +501,10 @@ struct driver_data {
         atomic_t irq_workers_active;
 
         int isr_binding;
+
+        struct list_head online_list; /* linkage for online list */
+
+        struct list_head remove_list; /* linkage for removing list */
 };
 
 #endif
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index f556f8a8b3f9..b7b7a88d9f68 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1742,9 +1742,10 @@ static int rbd_img_request_submit(struct rbd_img_request *img_request)
         struct rbd_device *rbd_dev = img_request->rbd_dev;
         struct ceph_osd_client *osdc = &rbd_dev->rbd_client->client->osdc;
         struct rbd_obj_request *obj_request;
+        struct rbd_obj_request *next_obj_request;
 
         dout("%s: img %p\n", __func__, img_request);
-        for_each_obj_request(img_request, obj_request) {
+        for_each_obj_request_safe(img_request, obj_request, next_obj_request) {
                 int ret;
 
                 obj_request->callback = rbd_img_obj_callback;
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index e3f9a99b8522..d784650d14f0 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -373,26 +373,14 @@ static int hpet_mmap(struct file *file, struct vm_area_struct *vma)
         struct hpet_dev *devp;
         unsigned long addr;
 
-        if (((vma->vm_end - vma->vm_start) != PAGE_SIZE) || vma->vm_pgoff)
-                return -EINVAL;
-
         devp = file->private_data;
         addr = devp->hd_hpets->hp_hpet_phys;
 
         if (addr & (PAGE_SIZE - 1))
                 return -ENOSYS;
 
-        vma->vm_flags |= VM_IO;
         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-
-        if (io_remap_pfn_range(vma, vma->vm_start, addr >> PAGE_SHIFT,
-                                        PAGE_SIZE, vma->vm_page_prot)) {
-                printk(KERN_ERR "%s: io_remap_pfn_range failed\n",
-                        __func__);
-                return -EAGAIN;
-        }
-
-        return 0;
+        return vm_iomap_memory(vma, addr, PAGE_SIZE);
 #else
         return -ENOSYS;
 #endif
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 69ae5972713c..a0f7724852eb 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -380,6 +380,15 @@ void hwrng_unregister(struct hwrng *rng)
 }
 EXPORT_SYMBOL_GPL(hwrng_unregister);
 
+static void __exit hwrng_exit(void)
+{
+        mutex_lock(&rng_mutex);
+        BUG_ON(current_rng);
+        kfree(rng_buffer);
+        mutex_unlock(&rng_mutex);
+}
+
+module_exit(hwrng_exit);
 
 MODULE_DESCRIPTION("H/W Random Number Generator (RNG) driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index e905d5f53051..ce5f3fc25d6d 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -149,7 +149,8 @@ struct ports_device {
         spinlock_t ports_lock;
 
         /* To protect the vq operations for the control channel */
-        spinlock_t cvq_lock;
+        spinlock_t c_ivq_lock;
+        spinlock_t c_ovq_lock;
 
         /* The current config space is stored here */
         struct virtio_console_config config;
@@ -569,11 +570,14 @@ static ssize_t __send_control_msg(struct ports_device *portdev, u32 port_id,
         vq = portdev->c_ovq;
 
         sg_init_one(sg, &cpkt, sizeof(cpkt));
+
+        spin_lock(&portdev->c_ovq_lock);
         if (virtqueue_add_buf(vq, sg, 1, 0, &cpkt, GFP_ATOMIC) == 0) {
                 virtqueue_kick(vq);
                 while (!virtqueue_get_buf(vq, &len))
                         cpu_relax();
         }
+        spin_unlock(&portdev->c_ovq_lock);
         return 0;
 }
 
@@ -1436,7 +1440,7 @@ static int add_port(struct ports_device *portdev, u32 id)
                  * rproc_serial does not want the console port, only
                  * the generic port implementation.
                  */
-                port->host_connected = port->guest_connected = true;
+                port->host_connected = true;
         else if (!use_multiport(port->portdev)) {
                 /*
                  * If we're not using multiport support,
@@ -1709,23 +1713,23 @@ static void control_work_handler(struct work_struct *work)
         portdev = container_of(work, struct ports_device, control_work);
         vq = portdev->c_ivq;
 
-        spin_lock(&portdev->cvq_lock);
+        spin_lock(&portdev->c_ivq_lock);
         while ((buf = virtqueue_get_buf(vq, &len))) {
-                spin_unlock(&portdev->cvq_lock);
+                spin_unlock(&portdev->c_ivq_lock);
 
                 buf->len = len;
                 buf->offset = 0;
 
                 handle_control_message(portdev, buf);
 
-                spin_lock(&portdev->cvq_lock);
+                spin_lock(&portdev->c_ivq_lock);
                 if (add_inbuf(portdev->c_ivq, buf) < 0) {
                         dev_warn(&portdev->vdev->dev,
                                  "Error adding buffer to queue\n");
                         free_buf(buf, false);
                 }
         }
-        spin_unlock(&portdev->cvq_lock);
+        spin_unlock(&portdev->c_ivq_lock);
 }
 
 static void out_intr(struct virtqueue *vq)
@@ -1752,13 +1756,23 @@ static void in_intr(struct virtqueue *vq)
         port->inbuf = get_inbuf(port);
 
         /*
-         * Don't queue up data when port is closed.  This condition
+         * Normally the port should not accept data when the port is
+         * closed. For generic serial ports, the host won't (shouldn't)
+         * send data till the guest is connected. But this condition
          * can be reached when a console port is not yet connected (no
-         * tty is spawned) and the host sends out data to console
-         * ports.  For generic serial ports, the host won't
-         * (shouldn't) send data till the guest is connected.
+         * tty is spawned) and the other side sends out data over the
+         * vring, or when a remote devices start sending data before
+         * the ports are opened.
+         *
+         * A generic serial port will discard data if not connected,
+         * while console ports and rproc-serial ports accepts data at
+         * any time. rproc-serial is initiated with guest_connected to
+         * false because port_fops_open expects this. Console ports are
+         * hooked up with an HVC console and is initialized with
+         * guest_connected to true.
          */
-        if (!port->guest_connected)
+
+        if (!port->guest_connected && !is_rproc_serial(port->portdev->vdev))
                 discard_port_data(port);
 
         spin_unlock_irqrestore(&port->inbuf_lock, flags);
@@ -1986,10 +2000,12 @@ static int virtcons_probe(struct virtio_device *vdev)
         if (multiport) {
                 unsigned int nr_added_bufs;
 
-                spin_lock_init(&portdev->cvq_lock);
+                spin_lock_init(&portdev->c_ivq_lock);
+                spin_lock_init(&portdev->c_ovq_lock);
                 INIT_WORK(&portdev->control_work, &control_work_handler);
 
-                nr_added_bufs = fill_queue(portdev->c_ivq, &portdev->cvq_lock);
+                nr_added_bufs = fill_queue(portdev->c_ivq,
+                                           &portdev->c_ivq_lock);
                 if (!nr_added_bufs) {
                         dev_err(&vdev->dev,
                                 "Error allocating buffers for control queue\n");
@@ -2140,7 +2156,7 @@ static int virtcons_restore(struct virtio_device *vdev)
                 return ret;
 
         if (use_multiport(portdev))
-                fill_queue(portdev->c_ivq, &portdev->cvq_lock);
+                fill_queue(portdev->c_ivq, &portdev->c_ivq_lock);
 
         list_for_each_entry(port, &portdev->ports, list) {
                 port->in_vq = portdev->in_vqs[port->id];
diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c
index 1e2de7305362..f873dcefe0de 100644
--- a/drivers/clk/tegra/clk-tegra20.c
+++ b/drivers/clk/tegra/clk-tegra20.c
@@ -703,7 +703,7 @@ static void tegra20_pll_init(void)
         clks[pll_a_out0] = clk;
 
         /* PLLE */
-        clk = tegra_clk_register_plle("pll_e", "pll_ref", clk_base, NULL,
+        clk = tegra_clk_register_plle("pll_e", "pll_ref", clk_base, pmc_base,
                              0, 100000000, &pll_e_params,
                              0, pll_e_freq_table, NULL);
         clk_register_clkdev(clk, "pll_e", NULL);
diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c
index 4e5b7fb8927c..37d23a0f8c56 100644
--- a/drivers/cpufreq/cpufreq-cpu0.c
+++ b/drivers/cpufreq/cpufreq-cpu0.c
@@ -178,10 +178,16 @@ static struct cpufreq_driver cpu0_cpufreq_driver = {
 
 static int cpu0_cpufreq_probe(struct platform_device *pdev)
 {
-        struct device_node *np;
+        struct device_node *np, *parent;
         int ret;
 
-        for_each_child_of_node(of_find_node_by_path("/cpus"), np) {
+        parent = of_find_node_by_path("/cpus");
+        if (!parent) {
+                pr_err("failed to find OF /cpus\n");
+                return -ENOENT;
+        }
+
+        for_each_child_of_node(parent, np) {
                 if (of_get_property(np, "operating-points", NULL))
                         break;
         }
diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h
index 46bde01eee62..cc4bd2f6838a 100644
--- a/drivers/cpufreq/cpufreq_governor.h
+++ b/drivers/cpufreq/cpufreq_governor.h
@@ -14,8 +14,8 @@
  * published by the Free Software Foundation.
  */
 
-#ifndef _CPUFREQ_GOVERNER_H
-#define _CPUFREQ_GOVERNER_H
+#ifndef _CPUFREQ_GOVERNOR_H
+#define _CPUFREQ_GOVERNOR_H
 
 #include <linux/cpufreq.h>
 #include <linux/kobject.h>
@@ -175,4 +175,4 @@ bool need_load_eval(struct cpu_dbs_common_info *cdbs,
                 unsigned int sampling_rate);
 int cpufreq_governor_dbs(struct dbs_data *dbs_data,
                 struct cpufreq_policy *policy, unsigned int event);
-#endif /* _CPUFREQ_GOVERNER_H */
+#endif /* _CPUFREQ_GOVERNOR_H */
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index ad72922919ed..6133ef5cf671 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -502,7 +502,6 @@ static inline void intel_pstate_set_sample_time(struct cpudata *cpu)
 
         sample_time = cpu->pstate_policy->sample_rate_ms;
         delay = msecs_to_jiffies(sample_time);
-        delay -= jiffies % delay;
         mod_timer_pinned(&cpu->timer, jiffies + delay);
 }
 
diff --git a/drivers/crypto/ux500/cryp/cryp_core.c b/drivers/crypto/ux500/cryp/cryp_core.c
index 8bc5fef07e7a..22c9063e0120 100644
--- a/drivers/crypto/ux500/cryp/cryp_core.c
+++ b/drivers/crypto/ux500/cryp/cryp_core.c
@@ -1750,7 +1750,7 @@ static struct platform_driver cryp_driver = {
         .shutdown = ux500_cryp_shutdown,
         .driver = {
                 .owner = THIS_MODULE,
-                .name  = "cryp1"
+                .name  = "cryp1",
                 .pm    = &ux500_cryp_pm,
         }
 };
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 80b69971cf28..aeaea32bcfda 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -83,6 +83,7 @@ config INTEL_IOP_ADMA
 
 config DW_DMAC
         tristate "Synopsys DesignWare AHB DMA support"
+        depends on GENERIC_HARDIRQS
         select DMA_ENGINE
         default y if CPU_AT32AP7000
         help
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 6e13f262139a..88cfc61329d2 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -310,8 +310,6 @@ static void atc_complete_all(struct at_dma_chan *atchan)
 
         dev_vdbg(chan2dev(&atchan->chan_common), "complete all\n");
 
-        BUG_ON(atc_chan_is_enabled(atchan));
-
         /*
          * Submit queued descriptors ASAP, i.e. before we go through
          * the completed ones.
@@ -368,6 +366,9 @@ static void atc_advance_work(struct at_dma_chan *atchan)
 {
         dev_vdbg(chan2dev(&atchan->chan_common), "advance_work\n");
 
+        if (atc_chan_is_enabled(atchan))
+                return;
+
         if (list_empty(&atchan->active_list) ||
             list_is_singular(&atchan->active_list)) {
                 atc_complete_all(atchan);
@@ -1078,9 +1079,7 @@ static void atc_issue_pending(struct dma_chan *chan)
                 return;
 
         spin_lock_irqsave(&atchan->lock, flags);
-        if (!atc_chan_is_enabled(atchan)) {
-                atc_advance_work(atchan);
-        }
+        atc_advance_work(atchan);
         spin_unlock_irqrestore(&atchan->lock, flags);
 }
 
diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c
index c4b4fd2acc42..08b43bf37158 100644
--- a/drivers/dma/omap-dma.c
+++ b/drivers/dma/omap-dma.c
@@ -276,12 +276,20 @@ static void omap_dma_issue_pending(struct dma_chan *chan)
 
         spin_lock_irqsave(&c->vc.lock, flags);
         if (vchan_issue_pending(&c->vc) && !c->desc) {
-                struct omap_dmadev *d = to_omap_dma_dev(chan->device);
-                spin_lock(&d->lock);
-                if (list_empty(&c->node))
-                        list_add_tail(&c->node, &d->pending);
-                spin_unlock(&d->lock);
-                tasklet_schedule(&d->task);
+                /*
+                 * c->cyclic is used only by audio and in this case the DMA need
+                 * to be started without delay.
+                 */
+                if (!c->cyclic) {
+                        struct omap_dmadev *d = to_omap_dma_dev(chan->device);
+                        spin_lock(&d->lock);
+                        if (list_empty(&c->node))
+                                list_add_tail(&c->node, &d->pending);
+                        spin_unlock(&d->lock);
+                        tasklet_schedule(&d->task);
+                } else {
+                        omap_dma_start_desc(c);
+                }
         }
         spin_unlock_irqrestore(&c->vc.lock, flags);
 }
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 718153122759..5dbc5946c4c3 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -2882,7 +2882,7 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
 {
         struct dma_pl330_platdata *pdat;
         struct dma_pl330_dmac *pdmac;
-        struct dma_pl330_chan *pch;
+        struct dma_pl330_chan *pch, *_p;
         struct pl330_info *pi;
         struct dma_device *pd;
         struct resource *res;
@@ -2984,7 +2984,16 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
         ret = dma_async_device_register(pd);
         if (ret) {
                 dev_err(&adev->dev, "unable to register DMAC\n");
-                goto probe_err2;
+                goto probe_err3;
+        }
+
+        if (adev->dev.of_node) {
+                ret = of_dma_controller_register(adev->dev.of_node,
+                                         of_dma_pl330_xlate, pdmac);
+                if (ret) {
+                        dev_err(&adev->dev,
+                        "unable to register DMA to the generic DT DMA helpers\n");
+                }
         }
 
         dev_info(&adev->dev,
@@ -2995,16 +3004,21 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
                 pi->pcfg.data_bus_width / 8, pi->pcfg.num_chan,
                 pi->pcfg.num_peri, pi->pcfg.num_events);
 
-        ret = of_dma_controller_register(adev->dev.of_node,
-                                         of_dma_pl330_xlate, pdmac);
-        if (ret) {
-                dev_err(&adev->dev,
-                "unable to register DMA to the generic DT DMA helpers\n");
-                goto probe_err2;
-        }
-
         return 0;
+probe_err3:
+        amba_set_drvdata(adev, NULL);
 
+        /* Idle the DMAC */
+        list_for_each_entry_safe(pch, _p, &pdmac->ddma.channels,
+                        chan.device_node) {
+
+                /* Remove the channel */
+                list_del(&pch->chan.device_node);
+
+                /* Flush the channel */
+                pl330_control(&pch->chan, DMA_TERMINATE_ALL, 0);
+                pl330_free_chan_resources(&pch->chan);
+        }
 probe_err2:
         pl330_del(pi);
 probe_err1:
@@ -3023,8 +3037,10 @@ static int pl330_remove(struct amba_device *adev)
         if (!pdmac)
                 return 0;
 
-        of_dma_controller_free(adev->dev.of_node);
+        if (adev->dev.of_node)
+                of_dma_controller_free(adev->dev.of_node);
 
+        dma_async_device_unregister(&pdmac->ddma);
         amba_set_drvdata(adev, NULL);
 
         /* Idle the DMAC */
diff --git a/drivers/eisa/pci_eisa.c b/drivers/eisa/pci_eisa.c
index cdae207028a7..6c3fca97d346 100644
--- a/drivers/eisa/pci_eisa.c
+++ b/drivers/eisa/pci_eisa.c
@@ -19,10 +19,10 @@
 /* There is only *one* pci_eisa device per machine, right ? */
 static struct eisa_root_device pci_eisa_root;
 
-static int __init pci_eisa_init(struct pci_dev *pdev,
-                                const struct pci_device_id *ent)
+static int __init pci_eisa_init(struct pci_dev *pdev)
 {
-        int rc;
+        int rc, i;
+        struct resource *res, *bus_res = NULL;
 
         if ((rc = pci_enable_device (pdev))) {
                 printk (KERN_ERR "pci_eisa : Could not enable device %s\n",
@@ -30,9 +30,30 @@ static int __init pci_eisa_init(struct pci_dev *pdev,
                 return rc;
         }
 
+        /*
+         * The Intel 82375 PCI-EISA bridge is a subtractive-decode PCI
+         * device, so the resources available on EISA are the same as those
+         * available on the 82375 bus.  This works the same as a PCI-PCI
+         * bridge in subtractive-decode mode (see pci_read_bridge_bases()).
+         * We assume other PCI-EISA bridges are similar.
+         *
+         * eisa_root_register() can only deal with a single io port resource,
+        *  so we use the first valid io port resource.
+         */
+        pci_bus_for_each_resource(pdev->bus, res, i)
+                if (res && (res->flags & IORESOURCE_IO)) {
+                        bus_res = res;
+                        break;
+                }
+
+        if (!bus_res) {
+                dev_err(&pdev->dev, "No resources available\n");
+                return -1;
+        }
+
         pci_eisa_root.dev              = &pdev->dev;
-        pci_eisa_root.res              = pdev->bus->resource[0];
-        pci_eisa_root.bus_base_addr    = pdev->bus->resource[0]->start;
+        pci_eisa_root.res              = bus_res;
+        pci_eisa_root.bus_base_addr    = bus_res->start;
         pci_eisa_root.slots            = EISA_MAX_SLOTS;
         pci_eisa_root.dma_mask         = pdev->dma_mask;
         dev_set_drvdata(pci_eisa_root.dev, &pci_eisa_root);
@@ -45,22 +66,26 @@ static int __init pci_eisa_init(struct pci_dev *pdev,
         return 0;
 }
 
-static struct pci_device_id pci_eisa_pci_tbl[] = {
-        { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
-          PCI_CLASS_BRIDGE_EISA << 8, 0xffff00, 0 },
-        { 0, }
-};
+/*
+ * We have to call pci_eisa_init_early() before pnpacpi_init()/isapnp_init().
+ *   Otherwise pnp resource will get enabled early and could prevent eisa
+ *   to be initialized.
+ * Also need to make sure pci_eisa_init_early() is called after
+ * x86/pci_subsys_init().
+ * So need to use subsys_initcall_sync with it.
+ */
+static int __init pci_eisa_init_early(void)
+{
+        struct pci_dev *dev = NULL;
+        int ret;
 
-static struct pci_driver __refdata pci_eisa_driver = {
-        .name           = "pci_eisa",
-        .id_table       = pci_eisa_pci_tbl,
-        .probe          = pci_eisa_init,
-};
+        for_each_pci_dev(dev)
+                if ((dev->class >> 8) == PCI_CLASS_BRIDGE_EISA) {
+                        ret = pci_eisa_init(dev);
+                        if (ret)
+                                return ret;
+                }
 
-static int __init pci_eisa_init_module (void)
-{
-        return pci_register_driver (&pci_eisa_driver);
+        return 0;
 }
-
-device_initcall(pci_eisa_init_module);
-MODULE_DEVICE_TABLE(pci, pci_eisa_pci_tbl);
+subsys_initcall_sync(pci_eisa_init_early);
diff --git a/drivers/firmware/efi/efi-pstore.c b/drivers/firmware/efi/efi-pstore.c
index 47ae712c9504..221ad1bf94de 100644
--- a/drivers/firmware/efi/efi-pstore.c
+++ b/drivers/firmware/efi/efi-pstore.c
@@ -1,6 +1,7 @@
 #include <linux/efi.h>
 #include <linux/module.h>
 #include <linux/pstore.h>
+#include <linux/ucs2_string.h>
 
 #define DUMP_NAME_LEN 52
 
@@ -140,15 +141,15 @@ static int efi_pstore_erase_func(struct efivar_entry *entry, void *data)
         efi_guid_t vendor = LINUX_EFI_CRASH_GUID;
         efi_char16_t efi_name_old[DUMP_NAME_LEN];
         efi_char16_t *efi_name = ed->name;
-        unsigned long utf16_len = utf16_strlen(ed->name);
+        unsigned long ucs2_len = ucs2_strlen(ed->name);
         char name_old[DUMP_NAME_LEN];
         int i;
 
         if (efi_guidcmp(entry->var.VendorGuid, vendor))
                 return 0;
 
-        if (utf16_strncmp(entry->var.VariableName,
-                          efi_name, (size_t)utf16_len)) {
+        if (ucs2_strncmp(entry->var.VariableName,
+                          efi_name, (size_t)ucs2_len)) {
                 /*
                  * Check if an old format, which doesn't support
                  * holding multiple logs, remains.
@@ -159,8 +160,8 @@ static int efi_pstore_erase_func(struct efivar_entry *entry, void *data)
                 for (i = 0; i < DUMP_NAME_LEN; i++)
                         efi_name_old[i] = name_old[i];
 
-                if (utf16_strncmp(entry->var.VariableName, efi_name_old,
-                                  utf16_strlen(efi_name_old)))
+                if (ucs2_strncmp(entry->var.VariableName, efi_name_old,
+                                  ucs2_strlen(efi_name_old)))
                         return 0;
         }
 
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 32bdf4f8e432..5145fa344ad5 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -72,7 +72,7 @@ static int generic_ops_register(void)
         generic_ops.get_variable = efi.get_variable;
         generic_ops.set_variable = efi.set_variable;
         generic_ops.get_next_variable = efi.get_next_variable;
-        generic_ops.query_variable_info = efi.query_variable_info;
+        generic_ops.query_variable_store = efi_query_variable_store;
 
         return efivars_register(&generic_efivars, &generic_ops, efi_kobj);
 }
diff --git a/drivers/firmware/efi/efivars.c b/drivers/firmware/efi/efivars.c
index 70635b3b59d3..f8f5e5d9e020 100644
--- a/drivers/firmware/efi/efivars.c
+++ b/drivers/firmware/efi/efivars.c
@@ -67,6 +67,7 @@
 
 #include <linux/efi.h>
 #include <linux/module.h>
+#include <linux/ucs2_string.h>
 
 #define EFIVARS_VERSION "0.08"
 #define EFIVARS_DATE "2004-May-17"
@@ -407,7 +408,7 @@ efivar_create_sysfs_entry(struct efivar_entry *new_var)
         efi_char16_t *variable_name;
 
         variable_name = new_var->var.VariableName;
-        variable_name_size = utf16_strlen(variable_name) * sizeof(efi_char16_t);
+        variable_name_size = ucs2_strlen(variable_name) * sizeof(efi_char16_t);
 
         /*
          * Length of the variable bytes in ASCII, plus the '-' separator,
diff --git a/drivers/firmware/efi/vars.c b/drivers/firmware/efi/vars.c
index dd1c20a426fa..1d80c1ca39c5 100644
--- a/drivers/firmware/efi/vars.c
+++ b/drivers/firmware/efi/vars.c
@@ -32,6 +32,7 @@
 #include <linux/device.h>
 #include <linux/slab.h>
 #include <linux/ctype.h>
+#include <linux/ucs2_string.h>
 
 /* Private pointer to registered efivars */
 static struct efivars *__efivars;
@@ -91,7 +92,7 @@ validate_load_option(struct efi_variable *var, int match, u8 *buffer,
         u16 filepathlength;
         int i, desclength = 0, namelen;
 
-        namelen = utf16_strnlen(var->VariableName, sizeof(var->VariableName));
+        namelen = ucs2_strnlen(var->VariableName, sizeof(var->VariableName));
 
         /* Either "Boot" or "Driver" followed by four digits of hex */
         for (i = match; i < match+4; i++) {
@@ -114,7 +115,7 @@ validate_load_option(struct efi_variable *var, int match, u8 *buffer,
          * There's no stored length for the description, so it has to be
          * found by hand
          */
-        desclength = utf16_strsize((efi_char16_t *)(buffer + 6), len - 6) + 2;
+        desclength = ucs2_strsize((efi_char16_t *)(buffer + 6), len - 6) + 2;
 
         /* Each boot entry must have a descriptor */
         if (!desclength)
@@ -228,24 +229,12 @@ EXPORT_SYMBOL_GPL(efivar_validate);
 static efi_status_t
 check_var_size(u32 attributes, unsigned long size)
 {
-        u64 storage_size, remaining_size, max_size;
-        efi_status_t status;
         const struct efivar_operations *fops = __efivars->ops;
 
-        if (!fops->query_variable_info)
+        if (!fops->query_variable_store)
                 return EFI_UNSUPPORTED;
 
-        status = fops->query_variable_info(attributes, &storage_size,
-                                           &remaining_size, &max_size);
-
-        if (status != EFI_SUCCESS)
-                return status;
-
-        if (!storage_size || size > remaining_size || size > max_size ||
-            (remaining_size - size) < (storage_size / 2))
-                return EFI_OUT_OF_RESOURCES;
-
-        return status;
+        return fops->query_variable_store(attributes, size);
 }
 
 static int efi_status_to_err(efi_status_t status)
@@ -288,9 +277,9 @@ static bool variable_is_present(efi_char16_t *variable_name, efi_guid_t *vendor,
         unsigned long strsize1, strsize2;
         bool found = false;
 
-        strsize1 = utf16_strsize(variable_name, 1024);
+        strsize1 = ucs2_strsize(variable_name, 1024);
         list_for_each_entry_safe(entry, n, head, list) {
-                strsize2 = utf16_strsize(entry->var.VariableName, 1024);
+                strsize2 = ucs2_strsize(entry->var.VariableName, 1024);
                 if (strsize1 == strsize2 &&
                         !memcmp(variable_name, &(entry->var.VariableName),
                                 strsize2) &&
@@ -594,7 +583,7 @@ int efivar_entry_set(struct efivar_entry *entry, u32 attributes,
                 return -EEXIST;
         }
 
-        status = check_var_size(attributes, size + utf16_strsize(name, 1024));
+        status = check_var_size(attributes, size + ucs2_strsize(name, 1024));
         if (status == EFI_SUCCESS || status == EFI_UNSUPPORTED)
                 status = ops->set_variable(name, &vendor,
                                            attributes, size, data);
@@ -630,7 +619,7 @@ int efivar_entry_set_safe(efi_char16_t *name, efi_guid_t vendor, u32 attributes,
         unsigned long flags;
         efi_status_t status;
 
-        if (!ops->query_variable_info)
+        if (!ops->query_variable_store)
                 return -ENOSYS;
 
         if (!block && spin_trylock_irqsave(&__efivars->lock, flags))
@@ -638,7 +627,7 @@ int efivar_entry_set_safe(efi_char16_t *name, efi_guid_t vendor, u32 attributes,
         else
                 spin_lock_irqsave(&__efivars->lock, flags);
 
-        status = check_var_size(attributes, size + utf16_strsize(name, 1024));
+        status = check_var_size(attributes, size + ucs2_strsize(name, 1024));
         if (status != EFI_SUCCESS) {
                 spin_unlock_irqrestore(&__efivars->lock, flags);
                 return -ENOSPC;
@@ -679,8 +668,8 @@ struct efivar_entry *efivar_entry_find(efi_char16_t *name, efi_guid_t guid,
         WARN_ON(!spin_is_locked(&__efivars->lock));
 
         list_for_each_entry_safe(entry, n, head, list) {
-                strsize1 = utf16_strsize(name, 1024);
-                strsize2 = utf16_strsize(entry->var.VariableName, 1024);
+                strsize1 = ucs2_strsize(name, 1024);
+                strsize2 = ucs2_strsize(entry->var.VariableName, 1024);
                 if (strsize1 == strsize2 &&
                     !memcmp(name, &(entry->var.VariableName), strsize1) &&
                     !efi_guidcmp(guid, entry->var.VendorGuid)) {
@@ -818,7 +807,7 @@ int efivar_entry_set_get_size(struct efivar_entry *entry, u32 attributes,
         /*
          * Ensure that the available space hasn't shrunk below the safe level
          */
-        status = check_var_size(attributes, *size + utf16_strsize(name, 1024));
+        status = check_var_size(attributes, *size + ucs2_strsize(name, 1024));
         if (status != EFI_SUCCESS) {
                 if (status != EFI_UNSUPPORTED) {
                         err = efi_status_to_err(status);
diff --git a/drivers/firmware/google/gsmi.c b/drivers/firmware/google/gsmi.c
index 757b2d92d5b0..acba0b9f4406 100644
--- a/drivers/firmware/google/gsmi.c
+++ b/drivers/firmware/google/gsmi.c
@@ -28,6 +28,7 @@
 #include <linux/reboot.h>
 #include <linux/efi.h>
 #include <linux/module.h>
+#include <linux/ucs2_string.h>
 
 #define GSMI_SHUTDOWN_CLEAN     0       /* Clean Shutdown */
 /* TODO(mikew@google.com): Tie in HARDLOCKUP_DETECTOR with NMIWDT */
@@ -300,7 +301,7 @@ static efi_status_t gsmi_get_variable(efi_char16_t *name,
         };
         efi_status_t ret = EFI_SUCCESS;
         unsigned long flags;
-        size_t name_len = utf16_strnlen(name, GSMI_BUF_SIZE / 2);
+        size_t name_len = ucs2_strnlen(name, GSMI_BUF_SIZE / 2);
         int rc;
 
         if (name_len >= GSMI_BUF_SIZE / 2)
@@ -369,7 +370,7 @@ static efi_status_t gsmi_get_next_variable(unsigned long *name_size,
                 return EFI_BAD_BUFFER_SIZE;
 
         /* Let's make sure the thing is at least null-terminated */
-        if (utf16_strnlen(name, GSMI_BUF_SIZE / 2) == GSMI_BUF_SIZE / 2)
+        if (ucs2_strnlen(name, GSMI_BUF_SIZE / 2) == GSMI_BUF_SIZE / 2)
                 return EFI_INVALID_PARAMETER;
 
         spin_lock_irqsave(&gsmi_dev.lock, flags);
@@ -397,7 +398,7 @@ static efi_status_t gsmi_get_next_variable(unsigned long *name_size,
 
                 /* Copy the name back */
                 memcpy(name, gsmi_dev.name_buf->start, GSMI_BUF_SIZE);
-                *name_size = utf16_strnlen(name, GSMI_BUF_SIZE / 2) * 2;
+                *name_size = ucs2_strnlen(name, GSMI_BUF_SIZE / 2) * 2;
 
                 /* copy guid to return buffer */
                 memcpy(vendor, &param.guid, sizeof(param.guid));
@@ -423,7 +424,7 @@ static efi_status_t gsmi_set_variable(efi_char16_t *name,
                               EFI_VARIABLE_BOOTSERVICE_ACCESS |
                               EFI_VARIABLE_RUNTIME_ACCESS,
         };
-        size_t name_len = utf16_strnlen(name, GSMI_BUF_SIZE / 2);
+        size_t name_len = ucs2_strnlen(name, GSMI_BUF_SIZE / 2);
         efi_status_t ret = EFI_SUCCESS;
         int rc;
         unsigned long flags;
diff --git a/drivers/gpio/gpio-ich.c b/drivers/gpio/gpio-ich.c
index f9dbd503fc40..de3c317bd3e2 100644
--- a/drivers/gpio/gpio-ich.c
+++ b/drivers/gpio/gpio-ich.c
@@ -214,7 +214,7 @@ static int ichx_gpio_request(struct gpio_chip *chip, unsigned nr)
          * If it can't be trusted, assume that the pin can be used as a GPIO.
          */
         if (ichx_priv.desc->use_sel_ignore[nr / 32] & (1 << (nr & 0x1f)))
-                return 1;
+                return 0;
 
         return ichx_read_bit(GPIO_USE_SEL, nr) ? 0 : -ENODEV;
 }
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 24059462c87f..9391cf16e990 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -575,7 +575,7 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
                                                 chip->gpio_chip.ngpio,
                                                 irq_base,
                                                 &pca953x_irq_simple_ops,
-                                                NULL);
+                                                chip);
                 if (!chip->domain)
                         return -ENODEV;
 
diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c
index 9cc108d2b770..8325f580c0f1 100644
--- a/drivers/gpio/gpio-pxa.c
+++ b/drivers/gpio/gpio-pxa.c
@@ -642,7 +642,12 @@ static struct platform_driver pxa_gpio_driver = {
                 .of_match_table = of_match_ptr(pxa_gpio_dt_ids),
         },
 };
-module_platform_driver(pxa_gpio_driver);
+
+static int __init pxa_gpio_init(void)
+{
+        return platform_driver_register(&pxa_gpio_driver);
+}
+postcore_initcall(pxa_gpio_init);
 
 #ifdef CONFIG_PM
 static int pxa_gpio_suspend(void)
diff --git a/drivers/gpio/gpio-stmpe.c b/drivers/gpio/gpio-stmpe.c
index 770476a9da87..3ce5bc38ac31 100644
--- a/drivers/gpio/gpio-stmpe.c
+++ b/drivers/gpio/gpio-stmpe.c
@@ -307,11 +307,15 @@ static const struct irq_domain_ops stmpe_gpio_irq_simple_ops = {
         .xlate = irq_domain_xlate_twocell,
 };
 
-static int stmpe_gpio_irq_init(struct stmpe_gpio *stmpe_gpio)
+static int stmpe_gpio_irq_init(struct stmpe_gpio *stmpe_gpio,
+                struct device_node *np)
 {
-        int base = stmpe_gpio->irq_base;
+        int base = 0;
 
-        stmpe_gpio->domain = irq_domain_add_simple(NULL,
+        if (!np)
+                base = stmpe_gpio->irq_base;
+
+        stmpe_gpio->domain = irq_domain_add_simple(np,
                                 stmpe_gpio->chip.ngpio, base,
                                 &stmpe_gpio_irq_simple_ops, stmpe_gpio);
         if (!stmpe_gpio->domain) {
@@ -346,6 +350,9 @@ static int stmpe_gpio_probe(struct platform_device *pdev)
         stmpe_gpio->chip = template_chip;
         stmpe_gpio->chip.ngpio = stmpe->num_gpios;
         stmpe_gpio->chip.dev = &pdev->dev;
+#ifdef CONFIG_OF
+        stmpe_gpio->chip.of_node = np;
+#endif
         stmpe_gpio->chip.base = pdata ? pdata->gpio_base : -1;
 
         if (pdata)
@@ -366,7 +373,7 @@ static int stmpe_gpio_probe(struct platform_device *pdev)
                 goto out_free;
 
         if (irq >= 0) {
-                ret = stmpe_gpio_irq_init(stmpe_gpio);
+                ret = stmpe_gpio_irq_init(stmpe_gpio, np);
                 if (ret)
                         goto out_disable;
 
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 792c3e3795ca..dd64a06dc5b4 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -2326,7 +2326,6 @@ int drm_mode_addfb(struct drm_device *dev,
         fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r);
         if (IS_ERR(fb)) {
                 DRM_DEBUG_KMS("could not create framebuffer\n");
-                drm_modeset_unlock_all(dev);
                 return PTR_ERR(fb);
         }
 
@@ -2506,7 +2505,6 @@ int drm_mode_addfb2(struct drm_device *dev,
         fb = dev->mode_config.funcs->fb_create(dev, file_priv, r);
         if (IS_ERR(fb)) {
                 DRM_DEBUG_KMS("could not create framebuffer\n");
-                drm_modeset_unlock_all(dev);
                 return PTR_ERR(fb);
         }
 
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 59d6b9bf204b..892ff9f95975 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -1544,10 +1544,10 @@ int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper)
         if (!fb_helper->fb)
                 return 0;
 
-        drm_modeset_lock_all(dev);
+        mutex_lock(&fb_helper->dev->mode_config.mutex);
         if (!drm_fb_helper_is_bound(fb_helper)) {
                 fb_helper->delayed_hotplug = true;
-                drm_modeset_unlock_all(dev);
+                mutex_unlock(&fb_helper->dev->mode_config.mutex);
                 return 0;
         }
         DRM_DEBUG_KMS("\n");
@@ -1558,9 +1558,11 @@ int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper)
 
         count = drm_fb_helper_probe_connector_modes(fb_helper, max_width,
                                                     max_height);
+        mutex_unlock(&fb_helper->dev->mode_config.mutex);
+
+        drm_modeset_lock_all(dev);
         drm_setup_crtcs(fb_helper);
         drm_modeset_unlock_all(dev);
-
         drm_fb_helper_set_par(fb_helper->fbdev);
 
         return 0;
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index 13fdcd10a605..429e07d0b0f1 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -123,6 +123,7 @@ int drm_open(struct inode *inode, struct file *filp)
         int retcode = 0;
         int need_setup = 0;
         struct address_space *old_mapping;
+        struct address_space *old_imapping;
 
         minor = idr_find(&drm_minors_idr, minor_id);
         if (!minor)
@@ -137,6 +138,7 @@ int drm_open(struct inode *inode, struct file *filp)
         if (!dev->open_count++)
                 need_setup = 1;
         mutex_lock(&dev->struct_mutex);
+        old_imapping = inode->i_mapping;
         old_mapping = dev->dev_mapping;
         if (old_mapping == NULL)
                 dev->dev_mapping = &inode->i_data;
@@ -159,8 +161,8 @@ int drm_open(struct inode *inode, struct file *filp)
 
 err_undo:
         mutex_lock(&dev->struct_mutex);
-        filp->f_mapping = old_mapping;
-        inode->i_mapping = old_mapping;
+        filp->f_mapping = old_imapping;
+        inode->i_mapping = old_imapping;
         iput(container_of(dev->dev_mapping, struct inode, i_data));
         dev->dev_mapping = old_mapping;
         mutex_unlock(&dev->struct_mutex);
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 3b11ab0fbc96..9a48e1a2d417 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -57,7 +57,7 @@ eb_create(struct drm_i915_gem_execbuffer2 *args)
         if (eb == NULL) {
                 int size = args->buffer_count;
                 int count = PAGE_SIZE / sizeof(struct hlist_head) / 2;
-                BUILD_BUG_ON(!is_power_of_2(PAGE_SIZE / sizeof(struct hlist_head)));
+                BUILD_BUG_ON_NOT_POWER_OF_2(PAGE_SIZE / sizeof(struct hlist_head));
                 while (count > 2*size)
                         count >>= 1;
                 eb = kzalloc(count*sizeof(struct hlist_head) +
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 32a3693905ec..1ce45a0a2d3e 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -45,6 +45,9 @@
 
 struct intel_crt {
         struct intel_encoder base;
+        /* DPMS state is stored in the connector, which we need in the
+         * encoder's enable/disable callbacks */
+        struct intel_connector *connector;
         bool force_hotplug_required;
         u32 adpa_reg;
 };
@@ -81,29 +84,6 @@ static bool intel_crt_get_hw_state(struct intel_encoder *encoder,
         return true;
 }
 
-static void intel_disable_crt(struct intel_encoder *encoder)
-{
-        struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
-        struct intel_crt *crt = intel_encoder_to_crt(encoder);
-        u32 temp;
-
-        temp = I915_READ(crt->adpa_reg);
-        temp |= ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE;
-        temp &= ~ADPA_DAC_ENABLE;
-        I915_WRITE(crt->adpa_reg, temp);
-}
-
-static void intel_enable_crt(struct intel_encoder *encoder)
-{
-        struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
-        struct intel_crt *crt = intel_encoder_to_crt(encoder);
-        u32 temp;
-
-        temp = I915_READ(crt->adpa_reg);
-        temp |= ADPA_DAC_ENABLE;
-        I915_WRITE(crt->adpa_reg, temp);
-}
-
 /* Note: The caller is required to filter out dpms modes not supported by the
  * platform. */
 static void intel_crt_set_dpms(struct intel_encoder *encoder, int mode)
@@ -135,6 +115,19 @@ static void intel_crt_set_dpms(struct intel_encoder *encoder, int mode)
         I915_WRITE(crt->adpa_reg, temp);
 }
 
+static void intel_disable_crt(struct intel_encoder *encoder)
+{
+        intel_crt_set_dpms(encoder, DRM_MODE_DPMS_OFF);
+}
+
+static void intel_enable_crt(struct intel_encoder *encoder)
+{
+        struct intel_crt *crt = intel_encoder_to_crt(encoder);
+
+        intel_crt_set_dpms(encoder, crt->connector->base.dpms);
+}
+
+
 static void intel_crt_dpms(struct drm_connector *connector, int mode)
 {
         struct drm_device *dev = connector->dev;
@@ -746,6 +739,7 @@ void intel_crt_init(struct drm_device *dev)
         }
 
         connector = &intel_connector->base;
+        crt->connector = intel_connector;
         drm_connector_init(dev, &intel_connector->base,
                            &intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA);
 
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index d7d4afe01341..8fc93f90a7cd 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2559,12 +2559,15 @@ void intel_dp_encoder_destroy(struct drm_encoder *encoder)
 {
         struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
         struct intel_dp *intel_dp = &intel_dig_port->dp;
+        struct drm_device *dev = intel_dp_to_dev(intel_dp);
 
         i2c_del_adapter(&intel_dp->adapter);
         drm_encoder_cleanup(encoder);
         if (is_edp(intel_dp)) {
                 cancel_delayed_work_sync(&intel_dp->panel_vdd_work);
+                mutex_lock(&dev->mode_config.mutex);
                 ironlake_panel_vdd_off_sync(intel_dp);
+                mutex_unlock(&dev->mode_config.mutex);
         }
         kfree(intel_dig_port);
 }
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index fe22bb780e1d..78d8e919509f 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -751,8 +751,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
         int i;
         unsigned char misc = 0;
         unsigned char ext_vga[6];
-        unsigned char ext_vga_index24;
-        unsigned char dac_index90 = 0;
         u8 bppshift;
 
         static unsigned char dacvalue[] = {
@@ -803,7 +801,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
                 option2 = 0x0000b000;
                 break;
         case G200_ER:
-                dac_index90 = 0;
                 break;
         }
 
@@ -852,10 +849,8 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
                 WREG_DAC(i, dacvalue[i]);
         }
 
-        if (mdev->type == G200_ER) {
-                WREG_DAC(0x90, dac_index90);
-        }
-
+        if (mdev->type == G200_ER)
+                WREG_DAC(0x90, 0);
 
         if (option)
                 pci_write_config_dword(dev->pdev, PCI_MGA_OPTION, option);
@@ -952,8 +947,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
         if (mdev->type == G200_WB)
                 ext_vga[1] |= 0x88;
 
-        ext_vga_index24 = 0x05;
-
         /* Set pixel clocks */
         misc = 0x2d;
         WREG8(MGA_MISC_OUT, misc);
@@ -965,7 +958,7 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
         }
 
         if (mdev->type == G200_ER)
-                WREG_ECRT(24, ext_vga_index24);
+                WREG_ECRT(0x24, 0x5);
 
         if (mdev->type == G200_EV) {
                 WREG_ECRT(6, 0);
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/base.c b/drivers/gpu/drm/nouveau/core/subdev/bios/base.c
index e816f06637a7..0e2c1a4f1659 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/base.c
@@ -248,6 +248,22 @@ nouveau_bios_shadow_pci(struct nouveau_bios *bios)
         }
 }
 
+static void
+nouveau_bios_shadow_platform(struct nouveau_bios *bios)
+{
+        struct pci_dev *pdev = nv_device(bios)->pdev;
+        size_t size;
+
+        void __iomem *rom = pci_platform_rom(pdev, &size);
+        if (rom && size) {
+                bios->data = kmalloc(size, GFP_KERNEL);
+                if (bios->data) {
+                        memcpy_fromio(bios->data, rom, size);
+                        bios->size = size;
+                }
+        }
+}
+
 static int
 nouveau_bios_score(struct nouveau_bios *bios, const bool writeable)
 {
@@ -288,6 +304,7 @@ nouveau_bios_shadow(struct nouveau_bios *bios)
                 { "PROM", nouveau_bios_shadow_prom, false, 0, 0, NULL },
                 { "ACPI", nouveau_bios_shadow_acpi, true, 0, 0, NULL },
                 { "PCIROM", nouveau_bios_shadow_pci, true, 0, 0, NULL },
+                { "PLATFORM", nouveau_bios_shadow_platform, true, 0, 0, NULL },
                 {}
         };
         struct methods *mthd, *best;
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c
index 3b6dc883e150..5eb3e0da7c6e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_abi16.c
+++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c
@@ -391,7 +391,7 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
         struct nouveau_drm *drm = nouveau_drm(dev);
         struct nouveau_device *device = nv_device(drm->device);
         struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
-        struct nouveau_abi16_chan *chan, *temp;
+        struct nouveau_abi16_chan *chan = NULL, *temp;
         struct nouveau_abi16_ntfy *ntfy;
         struct nouveau_object *object;
         struct nv_dma_class args = {};
@@ -404,10 +404,11 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
         if (unlikely(nv_device(abi16->device)->card_type >= NV_C0))
                 return nouveau_abi16_put(abi16, -EINVAL);
 
-        list_for_each_entry_safe(chan, temp, &abi16->channels, head) {
-                if (chan->chan->handle == (NVDRM_CHAN | info->channel))
+        list_for_each_entry(temp, &abi16->channels, head) {
+                if (temp->chan->handle == (NVDRM_CHAN | info->channel)) {
+                        chan = temp;
                         break;
-                chan = NULL;
+                }
         }
 
         if (!chan)
@@ -459,17 +460,18 @@ nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS)
 {
         struct drm_nouveau_gpuobj_free *fini = data;
         struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
-        struct nouveau_abi16_chan *chan, *temp;
+        struct nouveau_abi16_chan *chan = NULL, *temp;
         struct nouveau_abi16_ntfy *ntfy;
         int ret;
 
         if (unlikely(!abi16))
                 return -ENOMEM;
 
-        list_for_each_entry_safe(chan, temp, &abi16->channels, head) {
-                if (chan->chan->handle == (NVDRM_CHAN | fini->channel))
+        list_for_each_entry(temp, &abi16->channels, head) {
+                if (temp->chan->handle == (NVDRM_CHAN | fini->channel)) {
+                        chan = temp;
                         break;
-                chan = NULL;
+                }
         }
 
         if (!chan)
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index d1099365bfc1..c95decf543e9 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -72,11 +72,25 @@ module_param_named(modeset, nouveau_modeset, int, 0400);
 static struct drm_driver driver;
 
 static int
+nouveau_drm_vblank_handler(struct nouveau_eventh *event, int head)
+{
+        struct nouveau_drm *drm =
+                container_of(event, struct nouveau_drm, vblank[head]);
+        drm_handle_vblank(drm->dev, head);
+        return NVKM_EVENT_KEEP;
+}
+
+static int
 nouveau_drm_vblank_enable(struct drm_device *dev, int head)
 {
         struct nouveau_drm *drm = nouveau_drm(dev);
         struct nouveau_disp *pdisp = nouveau_disp(drm->device);
-        nouveau_event_get(pdisp->vblank, head, &drm->vblank);
+
+        if (WARN_ON_ONCE(head > ARRAY_SIZE(drm->vblank)))
+                return -EIO;
+        WARN_ON_ONCE(drm->vblank[head].func);
+        drm->vblank[head].func = nouveau_drm_vblank_handler;
+        nouveau_event_get(pdisp->vblank, head, &drm->vblank[head]);
         return 0;
 }
 
@@ -85,16 +99,11 @@ nouveau_drm_vblank_disable(struct drm_device *dev, int head)
 {
         struct nouveau_drm *drm = nouveau_drm(dev);
         struct nouveau_disp *pdisp = nouveau_disp(drm->device);
-        nouveau_event_put(pdisp->vblank, head, &drm->vblank);
-}
-
-static int
-nouveau_drm_vblank_handler(struct nouveau_eventh *event, int head)
-{
-        struct nouveau_drm *drm =
-                container_of(event, struct nouveau_drm, vblank);
-        drm_handle_vblank(drm->dev, head);
-        return NVKM_EVENT_KEEP;
+        if (drm->vblank[head].func)
+                nouveau_event_put(pdisp->vblank, head, &drm->vblank[head]);
+        else
+                WARN_ON_ONCE(1);
+        drm->vblank[head].func = NULL;
 }
 
 static u64
@@ -292,7 +301,6 @@ nouveau_drm_load(struct drm_device *dev, unsigned long flags)
 
         dev->dev_private = drm;
         drm->dev = dev;
-        drm->vblank.func = nouveau_drm_vblank_handler;
 
         INIT_LIST_HEAD(&drm->clients);
         spin_lock_init(&drm->tile.lock);
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.h b/drivers/gpu/drm/nouveau/nouveau_drm.h
index b25df374c901..9c39bafbef2c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.h
@@ -113,7 +113,7 @@ struct nouveau_drm {
         struct nvbios vbios;
         struct nouveau_display *display;
         struct backlight_device *backlight;
-        struct nouveau_eventh vblank;
+        struct nouveau_eventh vblank[4];
 
         /* power management */
         struct nouveau_pm *pm;
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index 7f0e6c3f37d1..1ddc03e51bf4 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -479,7 +479,7 @@ nv50_display_flip_wait(void *data)
 {
         struct nv50_display_flip *flip = data;
         if (nouveau_bo_rd32(flip->disp->sync, flip->chan->addr / 4) ==
-                                              flip->chan->data);
+                                              flip->chan->data)
                 return true;
         usleep_range(1, 2);
         return false;
diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c
index b8015913d382..fa3c56fba294 100644
--- a/drivers/gpu/drm/radeon/radeon_bios.c
+++ b/drivers/gpu/drm/radeon/radeon_bios.c
@@ -99,6 +99,29 @@ static bool radeon_read_bios(struct radeon_device *rdev)
         return true;
 }
 
+static bool radeon_read_platform_bios(struct radeon_device *rdev)
+{
+        uint8_t __iomem *bios;
+        size_t size;
+
+        rdev->bios = NULL;
+
+        bios = pci_platform_rom(rdev->pdev, &size);
+        if (!bios) {
+                return false;
+        }
+
+        if (size == 0 || bios[0] != 0x55 || bios[1] != 0xaa) {
+                return false;
+        }
+        rdev->bios = kmemdup(bios, size, GFP_KERNEL);
+        if (rdev->bios == NULL) {
+                return false;
+        }
+
+        return true;
+}
+
 #ifdef CONFIG_ACPI
 /* ATRM is used to get the BIOS on the discrete cards in
  * dual-gpu systems.
@@ -620,6 +643,9 @@ bool radeon_get_bios(struct radeon_device *rdev)
         if (r == false) {
                 r = radeon_read_disabled_bios(rdev);
         }
+        if (r == false) {
+                r = radeon_read_platform_bios(rdev);
+        }
         if (r == false || rdev->bios == NULL) {
                 DRM_ERROR("Unable to locate a BIOS ROM\n");
                 rdev->bios = NULL;
diff --git a/drivers/gpu/drm/udl/udl_connector.c b/drivers/gpu/drm/udl/udl_connector.c
index fe5cdbcf2636..b44d548c56f8 100644
--- a/drivers/gpu/drm/udl/udl_connector.c
+++ b/drivers/gpu/drm/udl/udl_connector.c
@@ -61,6 +61,10 @@ static int udl_get_modes(struct drm_connector *connector)
         int ret;
 
         edid = (struct edid *)udl_get_edid(udl);
+        if (!edid) {
+                drm_mode_connector_update_edid_property(connector, NULL);
+                return 0;
+        }
 
         /*
          * We only read the main block, but if the monitor reports extension
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 512b01c04ea7..aa341d135867 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -2077,7 +2077,6 @@ static const struct hid_device_id hid_ignore_list[] = {
         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
-        { HID_USB_DEVICE(USB_VENDOR_ID_MASTERKIT, USB_DEVICE_ID_MASTERKIT_MA901RADIO) },
         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
@@ -2244,6 +2243,18 @@ bool hid_ignore(struct hid_device *hdev)
                      hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
                         return true;
                 break;
+        case USB_VENDOR_ID_ATMEL_V_USB:
+                /* Masterkit MA901 usb radio based on Atmel tiny85 chip and
+                 * it has the same USB ID as many Atmel V-USB devices. This
+                 * usb radio is handled by radio-ma901.c driver so we want
+                 * ignore the hid. Check the name, bus, product and ignore
+                 * if we have MA901 usb radio.
+                 */
+                if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
+                        hdev->bus == BUS_USB &&
+                        strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
+                        return true;
+                break;
         }
 
         if (hdev->type == HID_TYPE_USBMOUSE &&
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index c4388776f4e4..5309fd5eb0eb 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -158,6 +158,8 @@
 #define USB_VENDOR_ID_ATMEL             0x03eb
 #define USB_DEVICE_ID_ATMEL_MULTITOUCH  0x211c
 #define USB_DEVICE_ID_ATMEL_MXT_DIGITIZER       0x2118
+#define USB_VENDOR_ID_ATMEL_V_USB       0x16c0
+#define USB_DEVICE_ID_ATMEL_V_USB       0x05df
 
 #define USB_VENDOR_ID_AUREAL            0x0755
 #define USB_DEVICE_ID_AUREAL_W01RN      0x2626
@@ -557,9 +559,6 @@
 #define USB_VENDOR_ID_MADCATZ           0x0738
 #define USB_DEVICE_ID_MADCATZ_BEATPAD   0x4540
 
-#define USB_VENDOR_ID_MASTERKIT                 0x16c0
-#define USB_DEVICE_ID_MASTERKIT_MA901RADIO      0x05df
-
 #define USB_VENDOR_ID_MCC               0x09db
 #define USB_DEVICE_ID_MCC_PMD1024LS     0x0076
 #define USB_DEVICE_ID_MCC_PMD1208LS     0x007a
diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index f7f113ba083e..a8ce44296cfd 100644
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -462,6 +462,21 @@ static int magicmouse_input_mapping(struct hid_device *hdev,
         return 0;
 }
 
+static void magicmouse_input_configured(struct hid_device *hdev,
+                struct hid_input *hi)
+
+{
+        struct magicmouse_sc *msc = hid_get_drvdata(hdev);
+
+        int ret = magicmouse_setup_input(msc->input, hdev);
+        if (ret) {
+                hid_err(hdev, "magicmouse setup input failed (%d)\n", ret);
+                /* clean msc->input to notify probe() of the failure */
+                msc->input = NULL;
+        }
+}
+
+
 static int magicmouse_probe(struct hid_device *hdev,
         const struct hid_device_id *id)
 {
@@ -493,15 +508,10 @@ static int magicmouse_probe(struct hid_device *hdev,
                 goto err_free;
         }
 
-        /* We do this after hid-input is done parsing reports so that
-         * hid-input uses the most natural button and axis IDs.
-         */
-        if (msc->input) {
-                ret = magicmouse_setup_input(msc->input, hdev);
-                if (ret) {
-                        hid_err(hdev, "magicmouse setup input failed (%d)\n", ret);
-                        goto err_stop_hw;
-                }
+        if (!msc->input) {
+                hid_err(hdev, "magicmouse input not registered\n");
+                ret = -ENOMEM;
+                goto err_stop_hw;
         }
 
         if (id->product == USB_DEVICE_ID_APPLE_MAGICMOUSE)
@@ -568,6 +578,7 @@ static struct hid_driver magicmouse_driver = {
         .remove = magicmouse_remove,
         .raw_event = magicmouse_raw_event,
         .input_mapping = magicmouse_input_mapping,
+        .input_configured = magicmouse_input_configured,
 };
 module_hid_driver(magicmouse_driver);
 
diff --git a/drivers/hwspinlock/hwspinlock_core.c b/drivers/hwspinlock/hwspinlock_core.c
index db713c0dfba4..461a0d739d75 100644
--- a/drivers/hwspinlock/hwspinlock_core.c
+++ b/drivers/hwspinlock/hwspinlock_core.c
@@ -416,6 +416,8 @@ static int __hwspin_lock_request(struct hwspinlock *hwlock)
         ret = pm_runtime_get_sync(dev);
         if (ret < 0) {
                 dev_err(dev, "%s: can't power on device\n", __func__);
+                pm_runtime_put_noidle(dev);
+                module_put(dev->driver->owner);
                 return ret;
         }
 
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 0ceb6e1b0f65..e3085c487ace 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -182,7 +182,6 @@ static int dw_i2c_probe(struct platform_device *pdev)
         adap->algo = &i2c_dw_algo;
         adap->dev.parent = &pdev->dev;
         adap->dev.of_node = pdev->dev.of_node;
-        ACPI_HANDLE_SET(&adap->dev, ACPI_HANDLE(&pdev->dev));
 
         r = i2c_add_numbered_adapter(adap);
         if (r) {
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 5d6675013864..1a38dd7dfe4e 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -465,6 +465,7 @@ static const struct x86_cpu_id intel_idle_ids[] = {
         ICPU(0x3c, idle_cpu_hsw),
         ICPU(0x3f, idle_cpu_hsw),
         ICPU(0x45, idle_cpu_hsw),
+        ICPU(0x46, idle_cpu_hsw),
         {}
 };
 MODULE_DEVICE_TABLE(x86cpu, intel_idle_ids);
diff --git a/drivers/infiniband/hw/qib/qib_sd7220.c b/drivers/infiniband/hw/qib/qib_sd7220.c
index 08a6c6d39e56..911205d3d5a0 100644
--- a/drivers/infiniband/hw/qib/qib_sd7220.c
+++ b/drivers/infiniband/hw/qib/qib_sd7220.c
@@ -44,7 +44,7 @@
 #include "qib.h"
 #include "qib_7220.h"
 
-#define SD7220_FW_NAME "intel/sd7220.fw"
+#define SD7220_FW_NAME "qlogic/sd7220.fw"
 MODULE_FIRMWARE(SD7220_FW_NAME);
 
 /*
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 1daa97913b7d..0bfd8cf25200 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -359,7 +359,7 @@ static int wacom_intuos_inout(struct wacom_wac *wacom)
                 case 0x802: /* Intuos4 General Pen */
                 case 0x804: /* Intuos4 Marker Pen */
                 case 0x40802: /* Intuos4 Classic Pen */
-                case 0x18803: /* DTH2242 Grip Pen */
+                case 0x18802: /* DTH2242 Grip Pen */
                 case 0x022:
                         wacom->tool[idx] = BTN_TOOL_PEN;
                         break;
@@ -1912,7 +1912,7 @@ static const struct wacom_features wacom_features_0xBB =
         { "Wacom Intuos4 12x19",  WACOM_PKGLEN_INTUOS,    97536, 60960, 2047,
           63, INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
 static const struct wacom_features wacom_features_0xBC =
-        { "Wacom Intuos4 WL",     WACOM_PKGLEN_INTUOS,    40840, 25400, 2047,
+        { "Wacom Intuos4 WL",     WACOM_PKGLEN_INTUOS,    40640, 25400, 2047,
           63, INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
 static const struct wacom_features wacom_features_0x26 =
         { "Wacom Intuos5 touch S", WACOM_PKGLEN_INTUOS,  31496, 19685, 2047,
@@ -2144,7 +2144,7 @@ const struct usb_device_id wacom_ids[] = {
         { USB_DEVICE_WACOM(0x44) },
         { USB_DEVICE_WACOM(0x45) },
         { USB_DEVICE_WACOM(0x59) },
-        { USB_DEVICE_WACOM(0x5D) },
+        { USB_DEVICE_DETAILED(0x5D, USB_CLASS_HID, 0, 0) },
         { USB_DEVICE_WACOM(0xB0) },
         { USB_DEVICE_WACOM(0xB1) },
         { USB_DEVICE_WACOM(0xB2) },
@@ -2209,7 +2209,7 @@ const struct usb_device_id wacom_ids[] = {
         { USB_DEVICE_WACOM(0x47) },
         { USB_DEVICE_WACOM(0xF4) },
         { USB_DEVICE_WACOM(0xF8) },
-        { USB_DEVICE_WACOM(0xF6) },
+        { USB_DEVICE_DETAILED(0xF6, USB_CLASS_HID, 0, 0) },
         { USB_DEVICE_WACOM(0xFA) },
         { USB_DEVICE_LENOVO(0x6004) },
         { }
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index a32e0d5aa45f..fc6aebf1e4b2 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -236,7 +236,8 @@ static int gic_retrigger(struct irq_data *d)
         if (gic_arch_extn.irq_retrigger)
                 return gic_arch_extn.irq_retrigger(d);
 
-        return -ENXIO;
+        /* the genirq layer expects 0 if we can't retrigger in hardware */
+        return 0;
 }
 
 #ifdef CONFIG_SMP
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 66120bd46d15..10744091e6ca 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -6,6 +6,7 @@
 
 #include "dm.h"
 #include "dm-bio-prison.h"
+#include "dm-bio-record.h"
 #include "dm-cache-metadata.h"
 
 #include <linux/dm-io.h>
@@ -201,10 +202,15 @@ struct per_bio_data {
         unsigned req_nr:2;
         struct dm_deferred_entry *all_io_entry;
 
-        /* writethrough fields */
+        /*
+         * writethrough fields.  These MUST remain at the end of this
+         * structure and the 'cache' member must be the first as it
+         * is used to determine the offsetof the writethrough fields.
+         */
         struct cache *cache;
         dm_cblock_t cblock;
         bio_end_io_t *saved_bi_end_io;
+        struct dm_bio_details bio_details;
 };
 
 struct dm_cache_migration {
@@ -513,16 +519,28 @@ static void save_stats(struct cache *cache)
 /*----------------------------------------------------------------
  * Per bio data
  *--------------------------------------------------------------*/
-static struct per_bio_data *get_per_bio_data(struct bio *bio)
+
+/*
+ * If using writeback, leave out struct per_bio_data's writethrough fields.
+ */
+#define PB_DATA_SIZE_WB (offsetof(struct per_bio_data, cache))
+#define PB_DATA_SIZE_WT (sizeof(struct per_bio_data))
+
+static size_t get_per_bio_data_size(struct cache *cache)
+{
+        return cache->features.write_through ? PB_DATA_SIZE_WT : PB_DATA_SIZE_WB;
+}
+
+static struct per_bio_data *get_per_bio_data(struct bio *bio, size_t data_size)
 {
-        struct per_bio_data *pb = dm_per_bio_data(bio, sizeof(struct per_bio_data));
+        struct per_bio_data *pb = dm_per_bio_data(bio, data_size);
         BUG_ON(!pb);
         return pb;
 }
 
-static struct per_bio_data *init_per_bio_data(struct bio *bio)
+static struct per_bio_data *init_per_bio_data(struct bio *bio, size_t data_size)
 {
-        struct per_bio_data *pb = get_per_bio_data(bio);
+        struct per_bio_data *pb = get_per_bio_data(bio, data_size);
 
         pb->tick = false;
         pb->req_nr = dm_bio_get_target_bio_nr(bio);
@@ -556,7 +574,8 @@ static void remap_to_cache(struct cache *cache, struct bio *bio,
 static void check_if_tick_bio_needed(struct cache *cache, struct bio *bio)
 {
         unsigned long flags;
-        struct per_bio_data *pb = get_per_bio_data(bio);
+        size_t pb_data_size = get_per_bio_data_size(cache);
+        struct per_bio_data *pb = get_per_bio_data(bio, pb_data_size);
 
         spin_lock_irqsave(&cache->lock, flags);
         if (cache->need_tick_bio &&
@@ -635,7 +654,7 @@ static void defer_writethrough_bio(struct cache *cache, struct bio *bio)
 
 static void writethrough_endio(struct bio *bio, int err)
 {
-        struct per_bio_data *pb = get_per_bio_data(bio);
+        struct per_bio_data *pb = get_per_bio_data(bio, PB_DATA_SIZE_WT);
         bio->bi_end_io = pb->saved_bi_end_io;
 
         if (err) {
@@ -643,6 +662,7 @@ static void writethrough_endio(struct bio *bio, int err)
                 return;
         }
 
+        dm_bio_restore(&pb->bio_details, bio);
         remap_to_cache(pb->cache, bio, pb->cblock);
 
         /*
@@ -662,11 +682,12 @@ static void writethrough_endio(struct bio *bio, int err)
 static void remap_to_origin_then_cache(struct cache *cache, struct bio *bio,
                                        dm_oblock_t oblock, dm_cblock_t cblock)
 {
-        struct per_bio_data *pb = get_per_bio_data(bio);
+        struct per_bio_data *pb = get_per_bio_data(bio, PB_DATA_SIZE_WT);
 
         pb->cache = cache;
         pb->cblock = cblock;
         pb->saved_bi_end_io = bio->bi_end_io;
+        dm_bio_record(&pb->bio_details, bio);
         bio->bi_end_io = writethrough_endio;
 
         remap_to_origin_clear_discard(pb->cache, bio, oblock);
@@ -1035,7 +1056,8 @@ static void defer_bio(struct cache *cache, struct bio *bio)
 
 static void process_flush_bio(struct cache *cache, struct bio *bio)
 {
-        struct per_bio_data *pb = get_per_bio_data(bio);
+        size_t pb_data_size = get_per_bio_data_size(cache);
+        struct per_bio_data *pb = get_per_bio_data(bio, pb_data_size);
 
         BUG_ON(bio->bi_size);
         if (!pb->req_nr)
@@ -1107,7 +1129,8 @@ static void process_bio(struct cache *cache, struct prealloc *structs,
         dm_oblock_t block = get_bio_block(cache, bio);
         struct dm_bio_prison_cell *cell_prealloc, *old_ocell, *new_ocell;
         struct policy_result lookup_result;
-        struct per_bio_data *pb = get_per_bio_data(bio);
+        size_t pb_data_size = get_per_bio_data_size(cache);
+        struct per_bio_data *pb = get_per_bio_data(bio, pb_data_size);
         bool discarded_block = is_discarded_oblock(cache, block);
         bool can_migrate = discarded_block || spare_migration_bandwidth(cache);
 
@@ -1881,7 +1904,6 @@ static int cache_create(struct cache_args *ca, struct cache **result)
 
         cache->ti = ca->ti;
         ti->private = cache;
-        ti->per_bio_data_size = sizeof(struct per_bio_data);
         ti->num_flush_bios = 2;
         ti->flush_supported = true;
 
@@ -1890,6 +1912,7 @@ static int cache_create(struct cache_args *ca, struct cache **result)
         ti->discard_zeroes_data_unsupported = true;
 
         memcpy(&cache->features, &ca->features, sizeof(cache->features));
+        ti->per_bio_data_size = get_per_bio_data_size(cache);
 
         cache->callbacks.congested_fn = cache_is_congested;
         dm_table_add_target_callbacks(ti->table, &cache->callbacks);
@@ -2092,6 +2115,7 @@ static int cache_map(struct dm_target *ti, struct bio *bio)
 
         int r;
         dm_oblock_t block = get_bio_block(cache, bio);
+        size_t pb_data_size = get_per_bio_data_size(cache);
         bool can_migrate = false;
         bool discarded_block;
         struct dm_bio_prison_cell *cell;
@@ -2108,7 +2132,7 @@ static int cache_map(struct dm_target *ti, struct bio *bio)
                 return DM_MAPIO_REMAPPED;
         }
 
-        pb = init_per_bio_data(bio);
+        pb = init_per_bio_data(bio, pb_data_size);
 
         if (bio->bi_rw & (REQ_FLUSH | REQ_FUA | REQ_DISCARD)) {
                 defer_bio(cache, bio);
@@ -2193,7 +2217,8 @@ static int cache_end_io(struct dm_target *ti, struct bio *bio, int error)
 {
         struct cache *cache = ti->private;
         unsigned long flags;
-        struct per_bio_data *pb = get_per_bio_data(bio);
+        size_t pb_data_size = get_per_bio_data_size(cache);
+        struct per_bio_data *pb = get_per_bio_data(bio, pb_data_size);
 
         if (pb->tick) {
                 policy_tick(cache->policy);
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 7e469260fe5e..9a0bdad9ad8f 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -611,6 +611,7 @@ static void dec_pending(struct dm_io *io, int error)
                         queue_io(md, bio);
                 } else {
                         /* done with normal IO or empty flush */
+                        trace_block_bio_complete(md->queue, bio, io_error);
                         bio_endio(bio, io_error);
                 }
         }
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 24909eb13fec..f4e87bfc7567 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -184,6 +184,8 @@ static void return_io(struct bio *return_bi)
                 return_bi = bi->bi_next;
                 bi->bi_next = NULL;
                 bi->bi_size = 0;
+                trace_block_bio_complete(bdev_get_queue(bi->bi_bdev),
+                                         bi, 0);
                 bio_endio(bi, 0);
                 bi = return_bi;
         }
@@ -3914,6 +3916,8 @@ static void raid5_align_endio(struct bio *bi, int error)
         rdev_dec_pending(rdev, conf->mddev);
 
         if (!error && uptodate) {
+                trace_block_bio_complete(bdev_get_queue(raid_bi->bi_bdev),
+                                         raid_bi, 0);
                 bio_endio(raid_bi, 0);
                 if (atomic_dec_and_test(&conf->active_aligned_reads))
                         wake_up(&conf->wait_for_stripe);
@@ -4382,6 +4386,8 @@ static void make_request(struct mddev *mddev, struct bio * bi)
                 if ( rw == WRITE )
                         md_write_end(mddev);
 
+                trace_block_bio_complete(bdev_get_queue(bi->bi_bdev),
+                                         bi, 0);
                 bio_endio(bi, 0);
         }
 }
@@ -4758,8 +4764,11 @@ static int  retry_aligned_read(struct r5conf *conf, struct bio *raid_bio)
                 handled++;
         }
         remaining = raid5_dec_bi_active_stripes(raid_bio);
-        if (remaining == 0)
+        if (remaining == 0) {
+                trace_block_bio_complete(bdev_get_queue(raid_bio->bi_bdev),
+                                         raid_bio, 0);
                 bio_endio(raid_bio, 0);
+        }
         if (atomic_dec_and_test(&conf->active_aligned_reads))
                 wake_up(&conf->wait_for_stripe);
         return handled;
diff --git a/drivers/media/dvb-frontends/mb86a20s.c b/drivers/media/dvb-frontends/mb86a20s.c
index f19cd7367040..4faaf8053f26 100644
--- a/drivers/media/dvb-frontends/mb86a20s.c
+++ b/drivers/media/dvb-frontends/mb86a20s.c
@@ -610,7 +610,7 @@ static void mb86a20s_layer_bitrate(struct dvb_frontend *fe, u32 layer,
                __func__, 'A' + layer, segment * isdbt_rate[m][f][i]/1000,
                 rate, rate);
 
-        state->estimated_rate[i] = rate;
+        state->estimated_rate[layer] = rate;
 }
 
 
diff --git a/drivers/media/pci/cx25821/cx25821-video.c b/drivers/media/pci/cx25821/cx25821-video.c
index d4de021dc844..31ce7698acb9 100644
--- a/drivers/media/pci/cx25821/cx25821-video.c
+++ b/drivers/media/pci/cx25821/cx25821-video.c
@@ -461,7 +461,7 @@ int cx25821_video_register(struct cx25821_dev *dev)
 
         spin_lock_init(&dev->slock);
 
-        for (i = 0; i < MAX_VID_CHANNEL_NUM - 1; ++i) {
+        for (i = 0; i < VID_CHANNEL_NUM; ++i) {
                 cx25821_init_controls(dev, i);
 
                 cx25821_risc_stopper(dev->pci, &dev->channels[i].vidq.stopper,
diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index 05d7b6333461..a0639e779973 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -204,7 +204,7 @@ config VIDEO_SAMSUNG_EXYNOS_GSC
 
 config VIDEO_SH_VEU
         tristate "SuperH VEU mem2mem video processing driver"
-        depends on VIDEO_DEV && VIDEO_V4L2
+        depends on VIDEO_DEV && VIDEO_V4L2 && GENERIC_HARDIRQS
         select VIDEOBUF2_DMA_CONTIG
         select V4L2_MEM2MEM_DEV
         help
diff --git a/drivers/media/radio/radio-ma901.c b/drivers/media/radio/radio-ma901.c
index c61f590029ad..348dafc0318a 100644
--- a/drivers/media/radio/radio-ma901.c
+++ b/drivers/media/radio/radio-ma901.c
@@ -347,9 +347,20 @@ static void usb_ma901radio_release(struct v4l2_device *v4l2_dev)
 static int usb_ma901radio_probe(struct usb_interface *intf,
                                 const struct usb_device_id *id)
 {
+        struct usb_device *dev = interface_to_usbdev(intf);
         struct ma901radio_device *radio;
         int retval = 0;
 
+        /* Masterkit MA901 usb radio has the same USB ID as many others
+         * Atmel V-USB devices. Let's make additional checks to be sure
+         * that this is our device.
+         */
+
+        if (dev->product && dev->manufacturer &&
+                (strncmp(dev->product, "MA901", 5) != 0
+                || strncmp(dev->manufacturer, "www.masterkit.ru", 16) != 0))
+                return -ENODEV;
+
         radio = kzalloc(sizeof(struct ma901radio_device), GFP_KERNEL);
         if (!radio) {
                 dev_err(&intf->dev, "kzalloc for ma901radio_device failed\n");
diff --git a/drivers/misc/vmw_vmci/Kconfig b/drivers/misc/vmw_vmci/Kconfig
index 39c2ecadb273..ea98f7e9ccd1 100644
--- a/drivers/misc/vmw_vmci/Kconfig
+++ b/drivers/misc/vmw_vmci/Kconfig
@@ -4,7 +4,7 @@
 
 config VMWARE_VMCI
         tristate "VMware VMCI Driver"
-        depends on X86 && PCI
+        depends on X86 && PCI && NET
         help
           This is VMware's Virtual Machine Communication Interface.  It enables
           high-speed communication between host and guest in a virtual
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 92ab30ab00dc..dc571ebc1aa0 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -1123,33 +1123,6 @@ static unsigned long mtdchar_get_unmapped_area(struct file *file,
 }
 #endif
 
-static inline unsigned long get_vm_size(struct vm_area_struct *vma)
-{
-        return vma->vm_end - vma->vm_start;
-}
-
-static inline resource_size_t get_vm_offset(struct vm_area_struct *vma)
-{
-        return (resource_size_t) vma->vm_pgoff << PAGE_SHIFT;
-}
-
-/*
- * Set a new vm offset.
- *
- * Verify that the incoming offset really works as a page offset,
- * and that the offset and size fit in a resource_size_t.
- */
-static inline int set_vm_offset(struct vm_area_struct *vma, resource_size_t off)
-{
-        pgoff_t pgoff = off >> PAGE_SHIFT;
-        if (off != (resource_size_t) pgoff << PAGE_SHIFT)
-                return -EINVAL;
-        if (off + get_vm_size(vma) - 1 < off)
-                return -EINVAL;
-        vma->vm_pgoff = pgoff;
-        return 0;
-}
-
 /*
  * set up a mapping for shared memory segments
  */
@@ -1159,45 +1132,17 @@ static int mtdchar_mmap(struct file *file, struct vm_area_struct *vma)
         struct mtd_file_info *mfi = file->private_data;
         struct mtd_info *mtd = mfi->mtd;
         struct map_info *map = mtd->priv;
-        resource_size_t start, off;
-        unsigned long len, vma_len;
 
         /* This is broken because it assumes the MTD device is map-based
            and that mtd->priv is a valid struct map_info.  It should be
            replaced with something that uses the mtd_get_unmapped_area()
            operation properly. */
         if (0 /*mtd->type == MTD_RAM || mtd->type == MTD_ROM*/) {
-                off = get_vm_offset(vma);
-                start = map->phys;
-                len = PAGE_ALIGN((start & ~PAGE_MASK) + map->size);
-                start &= PAGE_MASK;
-                vma_len = get_vm_size(vma);
-
-                /* Overflow in off+len? */
-                if (vma_len + off < off)
-                        return -EINVAL;
-                /* Does it fit in the mapping? */
-                if (vma_len + off > len)
-                        return -EINVAL;
-
-                off += start;
-                /* Did that overflow? */
-                if (off < start)
-                        return -EINVAL;
-                if (set_vm_offset(vma, off) < 0)
-                        return -EINVAL;
-                vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
-
 #ifdef pgprot_noncached
-                if (file->f_flags & O_DSYNC || off >= __pa(high_memory))
+                if (file->f_flags & O_DSYNC || map->phys >= __pa(high_memory))
                         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 #endif
-                if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
-                                       vma->vm_end - vma->vm_start,
-                                       vma->vm_page_prot))
-                        return -EAGAIN;
-
-                return 0;
+                return vm_iomap_memory(vma, map->phys, map->size);
         }
         return -ENOSYS;
 #else
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 6bbd90e1123c..dbbea0eec134 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -846,8 +846,10 @@ static void bond_mc_swap(struct bonding *bond, struct slave *new_active,
                 if (bond->dev->flags & IFF_ALLMULTI)
                         dev_set_allmulti(old_active->dev, -1);
 
+                netif_addr_lock_bh(bond->dev);
                 netdev_for_each_mc_addr(ha, bond->dev)
                         dev_mc_del(old_active->dev, ha->addr);
+                netif_addr_unlock_bh(bond->dev);
         }
 
         if (new_active) {
@@ -858,8 +860,10 @@ static void bond_mc_swap(struct bonding *bond, struct slave *new_active,
                 if (bond->dev->flags & IFF_ALLMULTI)
                         dev_set_allmulti(new_active->dev, 1);
 
+                netif_addr_lock_bh(bond->dev);
                 netdev_for_each_mc_addr(ha, bond->dev)
                         dev_mc_add(new_active->dev, ha->addr);
+                netif_addr_unlock_bh(bond->dev);
         }
 }
 
@@ -1901,11 +1905,29 @@ err_dest_symlinks:
         bond_destroy_slave_symlinks(bond_dev, slave_dev);
 
 err_detach:
+        if (!USES_PRIMARY(bond->params.mode)) {
+                netif_addr_lock_bh(bond_dev);
+                bond_mc_list_flush(bond_dev, slave_dev);
+                netif_addr_unlock_bh(bond_dev);
+        }
+        bond_del_vlans_from_slave(bond, slave_dev);
         write_lock_bh(&bond->lock);
         bond_detach_slave(bond, new_slave);
+        if (bond->primary_slave == new_slave)
+                bond->primary_slave = NULL;
         write_unlock_bh(&bond->lock);
+        if (bond->curr_active_slave == new_slave) {
+                read_lock(&bond->lock);
+                write_lock_bh(&bond->curr_slave_lock);
+                bond_change_active_slave(bond, NULL);
+                bond_select_active_slave(bond);
+                write_unlock_bh(&bond->curr_slave_lock);
+                read_unlock(&bond->lock);
+        }
+        slave_disable_netpoll(new_slave);
 
 err_close:
+        slave_dev->priv_flags &= ~IFF_BONDING;
         dev_close(slave_dev);
 
 err_unset_master:
@@ -1976,12 +1998,11 @@ static int __bond_release_one(struct net_device *bond_dev,
                 return -EINVAL;
         }
 
+        write_unlock_bh(&bond->lock);
         /* unregister rx_handler early so bond_handle_frame wouldn't be called
          * for this slave anymore.
          */
         netdev_rx_handler_unregister(slave_dev);
-        write_unlock_bh(&bond->lock);
-        synchronize_net();
         write_lock_bh(&bond->lock);
 
         if (!all && !bond->params.fail_over_mac) {
@@ -3169,11 +3190,20 @@ static int bond_slave_netdev_event(unsigned long event,
                                    struct net_device *slave_dev)
 {
         struct slave *slave = bond_slave_get_rtnl(slave_dev);
-        struct bonding *bond = slave->bond;
-        struct net_device *bond_dev = slave->bond->dev;
+        struct bonding *bond;
+        struct net_device *bond_dev;
         u32 old_speed;
         u8 old_duplex;
 
+        /* A netdev event can be generated while enslaving a device
+         * before netdev_rx_handler_register is called in which case
+         * slave will be NULL
+         */
+        if (!slave)
+                return NOTIFY_DONE;
+        bond_dev = slave->bond->dev;
+        bond = slave->bond;
+
         switch (event) {
         case NETDEV_UNREGISTER:
                 if (bond->setup_by_slave)
@@ -3287,20 +3317,22 @@ static int bond_xmit_hash_policy_l2(struct sk_buff *skb, int count)
  */
 static int bond_xmit_hash_policy_l23(struct sk_buff *skb, int count)
 {
-        struct ethhdr *data = (struct ethhdr *)skb->data;
-        struct iphdr *iph;
-        struct ipv6hdr *ipv6h;
+        const struct ethhdr *data;
+        const struct iphdr *iph;
+        const struct ipv6hdr *ipv6h;
         u32 v6hash;
-        __be32 *s, *d;
+        const __be32 *s, *d;
 
         if (skb->protocol == htons(ETH_P_IP) &&
-            skb_network_header_len(skb) >= sizeof(*iph)) {
+            pskb_network_may_pull(skb, sizeof(*iph))) {
                 iph = ip_hdr(skb);
+                data = (struct ethhdr *)skb->data;
                 return ((ntohl(iph->saddr ^ iph->daddr) & 0xffff) ^
                         (data->h_dest[5] ^ data->h_source[5])) % count;
         } else if (skb->protocol == htons(ETH_P_IPV6) &&
-                   skb_network_header_len(skb) >= sizeof(*ipv6h)) {
+                   pskb_network_may_pull(skb, sizeof(*ipv6h))) {
                 ipv6h = ipv6_hdr(skb);
+                data = (struct ethhdr *)skb->data;
                 s = &ipv6h->saddr.s6_addr32[0];
                 d = &ipv6h->daddr.s6_addr32[0];
                 v6hash = (s[1] ^ d[1]) ^ (s[2] ^ d[2]) ^ (s[3] ^ d[3]);
@@ -3319,33 +3351,36 @@ static int bond_xmit_hash_policy_l23(struct sk_buff *skb, int count)
 static int bond_xmit_hash_policy_l34(struct sk_buff *skb, int count)
 {
         u32 layer4_xor = 0;
-        struct iphdr *iph;
-        struct ipv6hdr *ipv6h;
-        __be32 *s, *d;
-        __be16 *layer4hdr;
+        const struct iphdr *iph;
+        const struct ipv6hdr *ipv6h;
+        const __be32 *s, *d;
+        const __be16 *l4 = NULL;
+        __be16 _l4[2];
+        int noff = skb_network_offset(skb);
+        int poff;
 
         if (skb->protocol == htons(ETH_P_IP) &&
-            skb_network_header_len(skb) >= sizeof(*iph)) {
+            pskb_may_pull(skb, noff + sizeof(*iph))) {
                 iph = ip_hdr(skb);
-                if (!ip_is_fragment(iph) &&
-                    (iph->protocol == IPPROTO_TCP ||
-                     iph->protocol == IPPROTO_UDP) &&
-                    (skb_headlen(skb) - skb_network_offset(skb) >=
-                     iph->ihl * sizeof(u32) + sizeof(*layer4hdr) * 2)) {
-                        layer4hdr = (__be16 *)((u32 *)iph + iph->ihl);
-                        layer4_xor = ntohs(*layer4hdr ^ *(layer4hdr + 1));
+                poff = proto_ports_offset(iph->protocol);
+
+                if (!ip_is_fragment(iph) && poff >= 0) {
+                        l4 = skb_header_pointer(skb, noff + (iph->ihl << 2) + poff,
+                                                sizeof(_l4), &_l4);
+                        if (l4)
+                                layer4_xor = ntohs(l4[0] ^ l4[1]);
                 }
                 return (layer4_xor ^
                         ((ntohl(iph->saddr ^ iph->daddr)) & 0xffff)) % count;
         } else if (skb->protocol == htons(ETH_P_IPV6) &&
-                   skb_network_header_len(skb) >= sizeof(*ipv6h)) {
+                   pskb_may_pull(skb, noff + sizeof(*ipv6h))) {
                 ipv6h = ipv6_hdr(skb);
-                if ((ipv6h->nexthdr == IPPROTO_TCP ||
-                     ipv6h->nexthdr == IPPROTO_UDP) &&
-                    (skb_headlen(skb) - skb_network_offset(skb) >=
-                     sizeof(*ipv6h) + sizeof(*layer4hdr) * 2)) {
-                        layer4hdr = (__be16 *)(ipv6h + 1);
-                        layer4_xor = ntohs(*layer4hdr ^ *(layer4hdr + 1));
+                poff = proto_ports_offset(ipv6h->nexthdr);
+                if (poff >= 0) {
+                        l4 = skb_header_pointer(skb, noff + sizeof(*ipv6h) + poff,
+                                                sizeof(_l4), &_l4);
+                        if (l4)
+                                layer4_xor = ntohs(l4[0] ^ l4[1]);
                 }
                 s = &ipv6h->saddr.s6_addr32[0];
                 d = &ipv6h->daddr.s6_addr32[0];
@@ -4847,9 +4882,18 @@ static int __net_init bond_net_init(struct net *net)
 static void __net_exit bond_net_exit(struct net *net)
 {
         struct bond_net *bn = net_generic(net, bond_net_id);
+        struct bonding *bond, *tmp_bond;
+        LIST_HEAD(list);
 
         bond_destroy_sysfs(bn);
         bond_destroy_proc_dir(bn);
+
+        /* Kill off any bonds created after unregistering bond rtnl ops */
+        rtnl_lock();
+        list_for_each_entry_safe(bond, tmp_bond, &bn->dev_list, bond_list)
+                unregister_netdevice_queue(bond->dev, &list);
+        unregister_netdevice_many(&list);
+        rtnl_unlock();
 }
 
 static struct pernet_operations bond_net_ops = {
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index db103e03ba05..ea7a388f4843 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -527,7 +527,7 @@ static ssize_t bonding_store_arp_interval(struct device *d,
                 goto out;
         }
         if (new_value < 0) {
-                pr_err("%s: Invalid arp_interval value %d not in range 1-%d; rejected.\n",
+                pr_err("%s: Invalid arp_interval value %d not in range 0-%d; rejected.\n",
                        bond->dev->name, new_value, INT_MAX);
                 ret = -EINVAL;
                 goto out;
@@ -542,14 +542,15 @@ static ssize_t bonding_store_arp_interval(struct device *d,
         pr_info("%s: Setting ARP monitoring interval to %d.\n",
                 bond->dev->name, new_value);
         bond->params.arp_interval = new_value;
-        if (bond->params.miimon) {
-                pr_info("%s: ARP monitoring cannot be used with MII monitoring. %s Disabling MII monitoring.\n",
-                        bond->dev->name, bond->dev->name);
-                bond->params.miimon = 0;
-        }
-        if (!bond->params.arp_targets[0]) {
-                pr_info("%s: ARP monitoring has been set up, but no ARP targets have been specified.\n",
-                        bond->dev->name);
+        if (new_value) {
+                if (bond->params.miimon) {
+                        pr_info("%s: ARP monitoring cannot be used with MII monitoring. %s Disabling MII monitoring.\n",
+                                bond->dev->name, bond->dev->name);
+                        bond->params.miimon = 0;
+                }
+                if (!bond->params.arp_targets[0])
+                        pr_info("%s: ARP monitoring has been set up, but no ARP targets have been specified.\n",
+                                bond->dev->name);
         }
         if (bond->dev->flags & IFF_UP) {
                 /* If the interface is up, we may need to fire off
@@ -557,10 +558,13 @@ static ssize_t bonding_store_arp_interval(struct device *d,
                  * timer will get fired off when the open function
                  * is called.
                  */
-                cancel_delayed_work_sync(&bond->mii_work);
-                queue_delayed_work(bond->wq, &bond->arp_work, 0);
+                if (!new_value) {
+                        cancel_delayed_work_sync(&bond->arp_work);
+                } else {
+                        cancel_delayed_work_sync(&bond->mii_work);
+                        queue_delayed_work(bond->wq, &bond->arp_work, 0);
+                }
         }
-
 out:
         rtnl_unlock();
         return ret;
@@ -702,7 +706,7 @@ static ssize_t bonding_store_downdelay(struct device *d,
         }
         if (new_value < 0) {
                 pr_err("%s: Invalid down delay value %d not in range %d-%d; rejected.\n",
-                       bond->dev->name, new_value, 1, INT_MAX);
+                       bond->dev->name, new_value, 0, INT_MAX);
                 ret = -EINVAL;
                 goto out;
         } else {
@@ -757,8 +761,8 @@ static ssize_t bonding_store_updelay(struct device *d,
                 goto out;
         }
         if (new_value < 0) {
-                pr_err("%s: Invalid down delay value %d not in range %d-%d; rejected.\n",
-                       bond->dev->name, new_value, 1, INT_MAX);
+                pr_err("%s: Invalid up delay value %d not in range %d-%d; rejected.\n",
+                       bond->dev->name, new_value, 0, INT_MAX);
                 ret = -EINVAL;
                 goto out;
         } else {
@@ -968,37 +972,37 @@ static ssize_t bonding_store_miimon(struct device *d,
         }
         if (new_value < 0) {
                 pr_err("%s: Invalid miimon value %d not in range %d-%d; rejected.\n",
-                       bond->dev->name, new_value, 1, INT_MAX);
+                       bond->dev->name, new_value, 0, INT_MAX);
                 ret = -EINVAL;
                 goto out;
-        } else {
-                pr_info("%s: Setting MII monitoring interval to %d.\n",
-                        bond->dev->name, new_value);
-                bond->params.miimon = new_value;
-                if (bond->params.updelay)
-                        pr_info("%s: Note: Updating updelay (to %d) since it is a multiple of the miimon value.\n",
-                                bond->dev->name,
-                                bond->params.updelay * bond->params.miimon);
-                if (bond->params.downdelay)
-                        pr_info("%s: Note: Updating downdelay (to %d) since it is a multiple of the miimon value.\n",
-                                bond->dev->name,
-                                bond->params.downdelay * bond->params.miimon);
-                if (bond->params.arp_interval) {
-                        pr_info("%s: MII monitoring cannot be used with ARP monitoring. Disabling ARP monitoring...\n",
-                                bond->dev->name);
-                        bond->params.arp_interval = 0;
-                        if (bond->params.arp_validate) {
-                                bond->params.arp_validate =
-                                        BOND_ARP_VALIDATE_NONE;
-                        }
-                }
-
-                if (bond->dev->flags & IFF_UP) {
-                        /* If the interface is up, we may need to fire off
-                         * the MII timer. If the interface is down, the
-                         * timer will get fired off when the open function
-                         * is called.
-                         */
+        }
+        pr_info("%s: Setting MII monitoring interval to %d.\n",
+                bond->dev->name, new_value);
+        bond->params.miimon = new_value;
+        if (bond->params.updelay)
+                pr_info("%s: Note: Updating updelay (to %d) since it is a multiple of the miimon value.\n",
+                        bond->dev->name,
+                        bond->params.updelay * bond->params.miimon);
+        if (bond->params.downdelay)
+                pr_info("%s: Note: Updating downdelay (to %d) since it is a multiple of the miimon value.\n",
+                        bond->dev->name,
+                        bond->params.downdelay * bond->params.miimon);
+        if (new_value && bond->params.arp_interval) {
+                pr_info("%s: MII monitoring cannot be used with ARP monitoring. Disabling ARP monitoring...\n",
+                        bond->dev->name);
+                bond->params.arp_interval = 0;
+                if (bond->params.arp_validate)
+                        bond->params.arp_validate = BOND_ARP_VALIDATE_NONE;
+        }
+        if (bond->dev->flags & IFF_UP) {
+                /* If the interface is up, we may need to fire off
+                 * the MII timer. If the interface is down, the
+                 * timer will get fired off when the open function
+                 * is called.
+                 */
+                if (!new_value) {
+                        cancel_delayed_work_sync(&bond->mii_work);
+                } else {
                         cancel_delayed_work_sync(&bond->arp_work);
                         queue_delayed_work(bond->wq, &bond->mii_work, 0);
                 }
diff --git a/drivers/net/can/mcp251x.c b/drivers/net/can/mcp251x.c
index f32b9fc6a983..9aa0c64c33c8 100644
--- a/drivers/net/can/mcp251x.c
+++ b/drivers/net/can/mcp251x.c
@@ -929,6 +929,7 @@ static int mcp251x_open(struct net_device *net)
         struct mcp251x_priv *priv = netdev_priv(net);
         struct spi_device *spi = priv->spi;
         struct mcp251x_platform_data *pdata = spi->dev.platform_data;
+        unsigned long flags;
         int ret;
 
         ret = open_candev(net);
@@ -945,9 +946,14 @@ static int mcp251x_open(struct net_device *net)
         priv->tx_skb = NULL;
         priv->tx_len = 0;
 
+        flags = IRQF_ONESHOT;
+        if (pdata->irq_flags)
+                flags |= pdata->irq_flags;
+        else
+                flags |= IRQF_TRIGGER_FALLING;
+
         ret = request_threaded_irq(spi->irq, NULL, mcp251x_can_ist,
-                  pdata->irq_flags ? pdata->irq_flags : IRQF_TRIGGER_FALLING,
-                  DEVICE_NAME, priv);
+                                   flags, DEVICE_NAME, priv);
         if (ret) {
                 dev_err(&spi->dev, "failed to acquire irq %d\n", spi->irq);
                 if (pdata->transceiver_enable)
diff --git a/drivers/net/can/sja1000/Kconfig b/drivers/net/can/sja1000/Kconfig
index b39ca5b3ea7f..ff2ba86cd4a4 100644
--- a/drivers/net/can/sja1000/Kconfig
+++ b/drivers/net/can/sja1000/Kconfig
@@ -46,6 +46,7 @@ config CAN_EMS_PCI
 config CAN_PEAK_PCMCIA
         tristate "PEAK PCAN-PC Card"
         depends on PCMCIA
+        depends on HAS_IOPORT
         ---help---
           This driver is for the PCAN-PC Card PCMCIA adapter (1 or 2 channels)
           from PEAK-System (http://www.peak-system.com). To compile this
diff --git a/drivers/net/can/sja1000/plx_pci.c b/drivers/net/can/sja1000/plx_pci.c
index a042cdc260dc..3c18d7d000ed 100644
--- a/drivers/net/can/sja1000/plx_pci.c
+++ b/drivers/net/can/sja1000/plx_pci.c
@@ -348,7 +348,7 @@ static inline int plx_pci_check_sja1000(const struct sja1000_priv *priv)
          */
         if ((priv->read_reg(priv, REG_CR) & REG_CR_BASICCAN_INITIAL_MASK) ==
             REG_CR_BASICCAN_INITIAL &&
-            (priv->read_reg(priv, REG_SR) == REG_SR_BASICCAN_INITIAL) &&
+            (priv->read_reg(priv, SJA1000_REG_SR) == REG_SR_BASICCAN_INITIAL) &&
             (priv->read_reg(priv, REG_IR) == REG_IR_BASICCAN_INITIAL))
                 flag = 1;
 
@@ -360,7 +360,7 @@ static inline int plx_pci_check_sja1000(const struct sja1000_priv *priv)
          * See states on p. 23 of the Datasheet.
          */
         if (priv->read_reg(priv, REG_MOD) == REG_MOD_PELICAN_INITIAL &&
-            priv->read_reg(priv, REG_SR) == REG_SR_PELICAN_INITIAL &&
+            priv->read_reg(priv, SJA1000_REG_SR) == REG_SR_PELICAN_INITIAL &&
             priv->read_reg(priv, REG_IR) == REG_IR_PELICAN_INITIAL)
                 return flag;
 
diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c
index daf4013a8fc7..e4df307eaa90 100644
--- a/drivers/net/can/sja1000/sja1000.c
+++ b/drivers/net/can/sja1000/sja1000.c
@@ -92,7 +92,7 @@ static void sja1000_write_cmdreg(struct sja1000_priv *priv, u8 val)
          */
         spin_lock_irqsave(&priv->cmdreg_lock, flags);
         priv->write_reg(priv, REG_CMR, val);
-        priv->read_reg(priv, REG_SR);
+        priv->read_reg(priv, SJA1000_REG_SR);
         spin_unlock_irqrestore(&priv->cmdreg_lock, flags);
 }
 
@@ -502,7 +502,7 @@ irqreturn_t sja1000_interrupt(int irq, void *dev_id)
 
         while ((isrc = priv->read_reg(priv, REG_IR)) && (n < SJA1000_MAX_IRQ)) {
                 n++;
-                status = priv->read_reg(priv, REG_SR);
+                status = priv->read_reg(priv, SJA1000_REG_SR);
                 /* check for absent controller due to hw unplug */
                 if (status == 0xFF && sja1000_is_absent(priv))
                         return IRQ_NONE;
@@ -530,7 +530,7 @@ irqreturn_t sja1000_interrupt(int irq, void *dev_id)
                         /* receive interrupt */
                         while (status & SR_RBS) {
                                 sja1000_rx(dev);
-                                status = priv->read_reg(priv, REG_SR);
+                                status = priv->read_reg(priv, SJA1000_REG_SR);
                                 /* check for absent controller */
                                 if (status == 0xFF && sja1000_is_absent(priv))
                                         return IRQ_NONE;
diff --git a/drivers/net/can/sja1000/sja1000.h b/drivers/net/can/sja1000/sja1000.h
index afa99847a510..aa48e053da27 100644
--- a/drivers/net/can/sja1000/sja1000.h
+++ b/drivers/net/can/sja1000/sja1000.h
@@ -56,7 +56,7 @@
 /* SJA1000 registers - manual section 6.4 (Pelican Mode) */
 #define REG_MOD         0x00
 #define REG_CMR         0x01
-#define REG_SR          0x02
+#define SJA1000_REG_SR          0x02
 #define REG_IR          0x03
 #define REG_IER         0x04
 #define REG_ALC         0x0B
diff --git a/drivers/net/can/sja1000/sja1000_of_platform.c b/drivers/net/can/sja1000/sja1000_of_platform.c
index 6433b81256cd..8e0c4a001939 100644
--- a/drivers/net/can/sja1000/sja1000_of_platform.c
+++ b/drivers/net/can/sja1000/sja1000_of_platform.c
@@ -96,8 +96,8 @@ static int sja1000_ofp_probe(struct platform_device *ofdev)
         struct net_device *dev;
         struct sja1000_priv *priv;
         struct resource res;
-        const u32 *prop;
-        int err, irq, res_size, prop_size;
+        u32 prop;
+        int err, irq, res_size;
         void __iomem *base;
 
         err = of_address_to_resource(np, 0, &res);
@@ -138,27 +138,27 @@ static int sja1000_ofp_probe(struct platform_device *ofdev)
         priv->read_reg = sja1000_ofp_read_reg;
         priv->write_reg = sja1000_ofp_write_reg;
 
-        prop = of_get_property(np, "nxp,external-clock-frequency", &prop_size);
-        if (prop && (prop_size ==  sizeof(u32)))
-                priv->can.clock.freq = *prop / 2;
+        err = of_property_read_u32(np, "nxp,external-clock-frequency", &prop);
+        if (!err)
+                priv->can.clock.freq = prop / 2;
         else
                 priv->can.clock.freq = SJA1000_OFP_CAN_CLOCK; /* default */
 
-        prop = of_get_property(np, "nxp,tx-output-mode", &prop_size);
-        if (prop && (prop_size == sizeof(u32)))
-                priv->ocr |= *prop & OCR_MODE_MASK;
+        err = of_property_read_u32(np, "nxp,tx-output-mode", &prop);
+        if (!err)
+                priv->ocr |= prop & OCR_MODE_MASK;
         else
                 priv->ocr |= OCR_MODE_NORMAL; /* default */
 
-        prop = of_get_property(np, "nxp,tx-output-config", &prop_size);
-        if (prop && (prop_size == sizeof(u32)))
-                priv->ocr |= (*prop << OCR_TX_SHIFT) & OCR_TX_MASK;
+        err = of_property_read_u32(np, "nxp,tx-output-config", &prop);
+        if (!err)
+                priv->ocr |= (prop << OCR_TX_SHIFT) & OCR_TX_MASK;
         else
                 priv->ocr |= OCR_TX0_PULLDOWN; /* default */
 
-        prop = of_get_property(np, "nxp,clock-out-frequency", &prop_size);
-        if (prop && (prop_size == sizeof(u32)) && *prop) {
-                u32 divider = priv->can.clock.freq * 2 / *prop;
+        err = of_property_read_u32(np, "nxp,clock-out-frequency", &prop);
+        if (!err && prop) {
+                u32 divider = priv->can.clock.freq * 2 / prop;
 
                 if (divider > 1)
                         priv->cdr |= divider / 2 - 1;
@@ -168,8 +168,7 @@ static int sja1000_ofp_probe(struct platform_device *ofdev)
                 priv->cdr |= CDR_CLK_OFF; /* default */
         }
 
-        prop = of_get_property(np, "nxp,no-comparator-bypass", NULL);
-        if (!prop)
+        if (!of_property_read_bool(np, "nxp,no-comparator-bypass"))
                 priv->cdr |= CDR_CBP; /* default */
 
         priv->irq_flags = IRQF_SHARED;
diff --git a/drivers/net/ethernet/8390/ax88796.c b/drivers/net/ethernet/8390/ax88796.c
index cab306a9888e..e1d26433d619 100644
--- a/drivers/net/ethernet/8390/ax88796.c
+++ b/drivers/net/ethernet/8390/ax88796.c
@@ -828,7 +828,7 @@ static int ax_probe(struct platform_device *pdev)
         struct ei_device *ei_local;
         struct ax_device *ax;
         struct resource *irq, *mem, *mem2;
-        resource_size_t mem_size, mem2_size = 0;
+        unsigned long mem_size, mem2_size = 0;
         int ret = 0;
 
         dev = ax__alloc_ei_netdev(sizeof(struct ax_device));
diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e.h b/drivers/net/ethernet/atheros/atl1e/atl1e.h
index 829b5ad71d0d..b5fd934585e9 100644
--- a/drivers/net/ethernet/atheros/atl1e/atl1e.h
+++ b/drivers/net/ethernet/atheros/atl1e/atl1e.h
@@ -186,7 +186,7 @@ struct atl1e_tpd_desc {
 /* how about 0x2000 */
 #define MAX_TX_BUF_LEN      0x2000
 #define MAX_TX_BUF_SHIFT    13
-/*#define MAX_TX_BUF_LEN  0x3000 */
+#define MAX_TSO_SEG_SIZE    0x3c00
 
 /* rrs word 1 bit 0:31 */
 #define RRS_RX_CSUM_MASK        0xFFFF
@@ -438,7 +438,6 @@ struct atl1e_adapter {
         struct atl1e_hw        hw;
         struct atl1e_hw_stats  hw_stats;
 
-        bool have_msi;
         u32 wol;
         u16 link_speed;
         u16 link_duplex;
diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
index 92f4734f860d..ac25f05ff68f 100644
--- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
+++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
@@ -1849,34 +1849,19 @@ static void atl1e_free_irq(struct atl1e_adapter *adapter)
         struct net_device *netdev = adapter->netdev;
 
         free_irq(adapter->pdev->irq, netdev);
-
-        if (adapter->have_msi)
-                pci_disable_msi(adapter->pdev);
 }
 
 static int atl1e_request_irq(struct atl1e_adapter *adapter)
 {
         struct pci_dev    *pdev   = adapter->pdev;
         struct net_device *netdev = adapter->netdev;
-        int flags = 0;
         int err = 0;
 
-        adapter->have_msi = true;
-        err = pci_enable_msi(pdev);
-        if (err) {
-                netdev_dbg(netdev,
-                           "Unable to allocate MSI interrupt Error: %d\n", err);
-                adapter->have_msi = false;
-        }
-
-        if (!adapter->have_msi)
-                flags |= IRQF_SHARED;
-        err = request_irq(pdev->irq, atl1e_intr, flags, netdev->name, netdev);
+        err = request_irq(pdev->irq, atl1e_intr, IRQF_SHARED, netdev->name,
+                          netdev);
         if (err) {
                 netdev_dbg(adapter->netdev,
                            "Unable to allocate interrupt Error: %d\n", err);
-                if (adapter->have_msi)
-                        pci_disable_msi(pdev);
                 return err;
         }
         netdev_dbg(netdev, "atl1e_request_irq OK\n");
@@ -2344,6 +2329,7 @@ static int atl1e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
         INIT_WORK(&adapter->reset_task, atl1e_reset_task);
         INIT_WORK(&adapter->link_chg_task, atl1e_link_chg_task);
+        netif_set_gso_max_size(netdev, MAX_TSO_SEG_SIZE);
         err = register_netdev(netdev);
         if (err) {
                 netdev_err(netdev, "register netdevice failed\n");
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 4046f97378c2..57619dd4a92b 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -2614,6 +2614,9 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
                         }
                 }
 
+                /* initialize FW coalescing state machines in RAM */
+                bnx2x_update_coalesce(bp);
+
                 /* setup the leading queue */
                 rc = bnx2x_setup_leading(bp);
                 if (rc) {
@@ -4580,11 +4583,11 @@ static void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
         u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT);
         u32 addr = BAR_CSTRORM_INTMEM +
                    CSTORM_STATUS_BLOCK_DATA_FLAGS_OFFSET(fw_sb_id, sb_index);
-        u16 flags = REG_RD16(bp, addr);
+        u8 flags = REG_RD8(bp, addr);
         /* clear and set */
         flags &= ~HC_INDEX_DATA_HC_ENABLED;
         flags |= enable_flag;
-        REG_WR16(bp, addr, flags);
+        REG_WR8(bp, addr, flags);
         DP(NETIF_MSG_IFUP,
            "port %x fw_sb_id %d sb_index %d disable %d\n",
            port, fw_sb_id, sb_index, disable);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index 77ebae0ac64a..0283f343b0d1 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -13437,13 +13437,7 @@ static void bnx2x_check_kr2_wa(struct link_params *params,
 {
         struct bnx2x *bp = params->bp;
         u16 base_page, next_page, not_kr2_device, lane;
-        int sigdet = bnx2x_warpcore_get_sigdet(phy, params);
-
-        if (!sigdet) {
-                if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE))
-                        bnx2x_kr2_recovery(params, vars, phy);
-                return;
-        }
+        int sigdet;
 
         /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
          * since some switches tend to reinit the AN process and clear the
@@ -13454,6 +13448,16 @@ static void bnx2x_check_kr2_wa(struct link_params *params,
                 vars->check_kr2_recovery_cnt--;
                 return;
         }
+
+        sigdet = bnx2x_warpcore_get_sigdet(phy, params);
+        if (!sigdet) {
+                if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
+                        bnx2x_kr2_recovery(params, vars, phy);
+                        DP(NETIF_MSG_LINK, "No sigdet\n");
+                }
+                return;
+        }
+
         lane = bnx2x_get_warpcore_lane(phy, params);
         CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
                           MDIO_AER_BLOCK_AER_REG, lane);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index e81a747ea8ce..c50696b396f1 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -4947,7 +4947,7 @@ static void bnx2x_after_function_update(struct bnx2x *bp)
                                   q);
         }
 
-        if (!NO_FCOE(bp)) {
+        if (!NO_FCOE(bp) && CNIC_ENABLED(bp)) {
                 fp = &bp->fp[FCOE_IDX(bp)];
                 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
 
@@ -9878,6 +9878,10 @@ static int bnx2x_prev_unload_common(struct bnx2x *bp)
                                 REG_RD(bp, NIG_REG_NIG_INT_STS_CLR_0);
                         }
                 }
+                if (!CHIP_IS_E1x(bp))
+                        /* block FW from writing to host */
+                        REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
+
                 /* wait until BRB is empty */
                 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
                 while (timer_count) {
@@ -13354,6 +13358,7 @@ static int bnx2x_unregister_cnic(struct net_device *dev)
         RCU_INIT_POINTER(bp->cnic_ops, NULL);
         mutex_unlock(&bp->cnic_mutex);
         synchronize_rcu();
+        bp->cnic_enabled = false;
         kfree(bp->cnic_kwq);
         bp->cnic_kwq = NULL;
 
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 67d2663b3974..17a972734ba7 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -14604,8 +14604,11 @@ static void tg3_read_vpd(struct tg3 *tp)
                 if (j + len > block_end)
                         goto partno;
 
-                memcpy(tp->fw_ver, &vpd_data[j], len);
-                strncat(tp->fw_ver, " bc ", vpdlen - len - 1);
+                if (len >= sizeof(tp->fw_ver))
+                        len = sizeof(tp->fw_ver) - 1;
+                memset(tp->fw_ver, 0, sizeof(tp->fw_ver));
+                snprintf(tp->fw_ver, sizeof(tp->fw_ver), "%.*s bc ", len,
+                         &vpd_data[j]);
         }
 
 partno:
diff --git a/drivers/net/ethernet/calxeda/xgmac.c b/drivers/net/ethernet/calxeda/xgmac.c
index a170065b5973..b0ebc9f6d55e 100644
--- a/drivers/net/ethernet/calxeda/xgmac.c
+++ b/drivers/net/ethernet/calxeda/xgmac.c
@@ -163,6 +163,7 @@
 #define XGMAC_FLOW_CTRL_FCB_BPA 0x00000001      /* Flow Control Busy ... */
 
 /* XGMAC_INT_STAT reg */
+#define XGMAC_INT_STAT_PMTIM    0x00800000      /* PMT Interrupt Mask */
 #define XGMAC_INT_STAT_PMT      0x0080          /* PMT Interrupt Status */
 #define XGMAC_INT_STAT_LPI      0x0040          /* LPI Interrupt Status */
 
@@ -960,6 +961,9 @@ static int xgmac_hw_init(struct net_device *dev)
         writel(DMA_INTR_DEFAULT_MASK, ioaddr + XGMAC_DMA_STATUS);
         writel(DMA_INTR_DEFAULT_MASK, ioaddr + XGMAC_DMA_INTR_ENA);
 
+        /* Mask power mgt interrupt */
+        writel(XGMAC_INT_STAT_PMTIM, ioaddr + XGMAC_INT_STAT);
+
         /* XGMAC requires AXI bus init. This is a 'magic number' for now */
         writel(0x0077000E, ioaddr + XGMAC_DMA_AXI_BUS);
 
@@ -1141,6 +1145,9 @@ static int xgmac_rx(struct xgmac_priv *priv, int limit)
                 struct sk_buff *skb;
                 int frame_len;
 
+                if (!dma_ring_cnt(priv->rx_head, priv->rx_tail, DMA_RX_RING_SZ))
+                        break;
+
                 entry = priv->rx_tail;
                 p = priv->dma_rx + entry;
                 if (desc_get_owner(p))
@@ -1825,7 +1832,7 @@ static void xgmac_pmt(void __iomem *ioaddr, unsigned long mode)
         unsigned int pmt = 0;
 
         if (mode & WAKE_MAGIC)
-                pmt |= XGMAC_PMT_POWERDOWN | XGMAC_PMT_MAGIC_PKT;
+                pmt |= XGMAC_PMT_POWERDOWN | XGMAC_PMT_MAGIC_PKT_EN;
         if (mode & WAKE_UCAST)
                 pmt |= XGMAC_PMT_POWERDOWN | XGMAC_PMT_GLBL_UNICAST;
 
diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c
index 8cdf02503d13..9eada8e86078 100644
--- a/drivers/net/ethernet/davicom/dm9000.c
+++ b/drivers/net/ethernet/davicom/dm9000.c
@@ -257,6 +257,107 @@ static void dm9000_dumpblk_32bit(void __iomem *reg, int count)
                 tmp = readl(reg);
 }
 
+/*
+ * Sleep, either by using msleep() or if we are suspending, then
+ * use mdelay() to sleep.
+ */
+static void dm9000_msleep(board_info_t *db, unsigned int ms)
+{
+        if (db->in_suspend)
+                mdelay(ms);
+        else
+                msleep(ms);
+}
+
+/* Read a word from phyxcer */
+static int
+dm9000_phy_read(struct net_device *dev, int phy_reg_unused, int reg)
+{
+        board_info_t *db = netdev_priv(dev);
+        unsigned long flags;
+        unsigned int reg_save;
+        int ret;
+
+        mutex_lock(&db->addr_lock);
+
+        spin_lock_irqsave(&db->lock, flags);
+
+        /* Save previous register address */
+        reg_save = readb(db->io_addr);
+
+        /* Fill the phyxcer register into REG_0C */
+        iow(db, DM9000_EPAR, DM9000_PHY | reg);
+
+        /* Issue phyxcer read command */
+        iow(db, DM9000_EPCR, EPCR_ERPRR | EPCR_EPOS);
+
+        writeb(reg_save, db->io_addr);
+        spin_unlock_irqrestore(&db->lock, flags);
+
+        dm9000_msleep(db, 1);           /* Wait read complete */
+
+        spin_lock_irqsave(&db->lock, flags);
+        reg_save = readb(db->io_addr);
+
+        iow(db, DM9000_EPCR, 0x0);      /* Clear phyxcer read command */
+
+        /* The read data keeps on REG_0D & REG_0E */
+        ret = (ior(db, DM9000_EPDRH) << 8) | ior(db, DM9000_EPDRL);
+
+        /* restore the previous address */
+        writeb(reg_save, db->io_addr);
+        spin_unlock_irqrestore(&db->lock, flags);
+
+        mutex_unlock(&db->addr_lock);
+
+        dm9000_dbg(db, 5, "phy_read[%02x] -> %04x\n", reg, ret);
+        return ret;
+}
+
+/* Write a word to phyxcer */
+static void
+dm9000_phy_write(struct net_device *dev,
+                 int phyaddr_unused, int reg, int value)
+{
+        board_info_t *db = netdev_priv(dev);
+        unsigned long flags;
+        unsigned long reg_save;
+
+        dm9000_dbg(db, 5, "phy_write[%02x] = %04x\n", reg, value);
+        mutex_lock(&db->addr_lock);
+
+        spin_lock_irqsave(&db->lock, flags);
+
+        /* Save previous register address */
+        reg_save = readb(db->io_addr);
+
+        /* Fill the phyxcer register into REG_0C */
+        iow(db, DM9000_EPAR, DM9000_PHY | reg);
+
+        /* Fill the written data into REG_0D & REG_0E */
+        iow(db, DM9000_EPDRL, value);
+        iow(db, DM9000_EPDRH, value >> 8);
+
+        /* Issue phyxcer write command */
+        iow(db, DM9000_EPCR, EPCR_EPOS | EPCR_ERPRW);
+
+        writeb(reg_save, db->io_addr);
+        spin_unlock_irqrestore(&db->lock, flags);
+
+        dm9000_msleep(db, 1);           /* Wait write complete */
+
+        spin_lock_irqsave(&db->lock, flags);
+        reg_save = readb(db->io_addr);
+
+        iow(db, DM9000_EPCR, 0x0);      /* Clear phyxcer write command */
+
+        /* restore the previous address */
+        writeb(reg_save, db->io_addr);
+
+        spin_unlock_irqrestore(&db->lock, flags);
+        mutex_unlock(&db->addr_lock);
+}
+
 /* dm9000_set_io
  *
  * select the specified set of io routines to use with the
@@ -795,6 +896,9 @@ dm9000_init_dm9000(struct net_device *dev)
 
         iow(db, DM9000_GPCR, GPCR_GEP_CNTL);    /* Let GPIO0 output */
 
+        dm9000_phy_write(dev, 0, MII_BMCR, BMCR_RESET); /* PHY RESET */
+        dm9000_phy_write(dev, 0, MII_DM_DSPCR, DSPCR_INIT_PARAM); /* Init */
+
         ncr = (db->flags & DM9000_PLATF_EXT_PHY) ? NCR_EXT_PHY : 0;
 
         /* if wol is needed, then always set NCR_WAKEEN otherwise we end
@@ -1201,109 +1305,6 @@ dm9000_open(struct net_device *dev)
         return 0;
 }
 
-/*
- * Sleep, either by using msleep() or if we are suspending, then
- * use mdelay() to sleep.
- */
-static void dm9000_msleep(board_info_t *db, unsigned int ms)
-{
-        if (db->in_suspend)
-                mdelay(ms);
-        else
-                msleep(ms);
-}
-
-/*
- *   Read a word from phyxcer
- */
-static int
-dm9000_phy_read(struct net_device *dev, int phy_reg_unused, int reg)
-{
-        board_info_t *db = netdev_priv(dev);
-        unsigned long flags;
-        unsigned int reg_save;
-        int ret;
-
-        mutex_lock(&db->addr_lock);
-
-        spin_lock_irqsave(&db->lock,flags);
-
-        /* Save previous register address */
-        reg_save = readb(db->io_addr);
-
-        /* Fill the phyxcer register into REG_0C */
-        iow(db, DM9000_EPAR, DM9000_PHY | reg);
-
-        iow(db, DM9000_EPCR, EPCR_ERPRR | EPCR_EPOS);   /* Issue phyxcer read command */
-
-        writeb(reg_save, db->io_addr);
-        spin_unlock_irqrestore(&db->lock,flags);
-
-        dm9000_msleep(db, 1);           /* Wait read complete */
-
-        spin_lock_irqsave(&db->lock,flags);
-        reg_save = readb(db->io_addr);
-
-        iow(db, DM9000_EPCR, 0x0);      /* Clear phyxcer read command */
-
-        /* The read data keeps on REG_0D & REG_0E */
-        ret = (ior(db, DM9000_EPDRH) << 8) | ior(db, DM9000_EPDRL);
-
-        /* restore the previous address */
-        writeb(reg_save, db->io_addr);
-        spin_unlock_irqrestore(&db->lock,flags);
-
-        mutex_unlock(&db->addr_lock);
-
-        dm9000_dbg(db, 5, "phy_read[%02x] -> %04x\n", reg, ret);
-        return ret;
-}
-
-/*
- *   Write a word to phyxcer
- */
-static void
-dm9000_phy_write(struct net_device *dev,
-                 int phyaddr_unused, int reg, int value)
-{
-        board_info_t *db = netdev_priv(dev);
-        unsigned long flags;
-        unsigned long reg_save;
-
-        dm9000_dbg(db, 5, "phy_write[%02x] = %04x\n", reg, value);
-        mutex_lock(&db->addr_lock);
-
-        spin_lock_irqsave(&db->lock,flags);
-
-        /* Save previous register address */
-        reg_save = readb(db->io_addr);
-
-        /* Fill the phyxcer register into REG_0C */
-        iow(db, DM9000_EPAR, DM9000_PHY | reg);
-
-        /* Fill the written data into REG_0D & REG_0E */
-        iow(db, DM9000_EPDRL, value);
-        iow(db, DM9000_EPDRH, value >> 8);
-
-        iow(db, DM9000_EPCR, EPCR_EPOS | EPCR_ERPRW);   /* Issue phyxcer write command */
-
-        writeb(reg_save, db->io_addr);
-        spin_unlock_irqrestore(&db->lock, flags);
-
-        dm9000_msleep(db, 1);           /* Wait write complete */
-
-        spin_lock_irqsave(&db->lock,flags);
-        reg_save = readb(db->io_addr);
-
-        iow(db, DM9000_EPCR, 0x0);      /* Clear phyxcer write command */
-
-        /* restore the previous address */
-        writeb(reg_save, db->io_addr);
-
-        spin_unlock_irqrestore(&db->lock, flags);
-        mutex_unlock(&db->addr_lock);
-}
-
 static void
 dm9000_shutdown(struct net_device *dev)
 {
@@ -1502,7 +1503,12 @@ dm9000_probe(struct platform_device *pdev)
         db->flags |= DM9000_PLATF_SIMPLE_PHY;
 #endif
 
-        dm9000_reset(db);
+        /* Fixing bug on dm9000_probe, takeover dm9000_reset(db),
+         * Need 'NCR_MAC_LBK' bit to indeed stable our DM9000 fifo
+         * while probe stage.
+         */
+
+        iow(db, DM9000_NCR, NCR_MAC_LBK | NCR_RST);
 
         /* try multiple times, DM9000 sometimes gets the read wrong */
         for (i = 0; i < 8; i++) {
diff --git a/drivers/net/ethernet/davicom/dm9000.h b/drivers/net/ethernet/davicom/dm9000.h
index 55688bd1a3ef..9ce058adabab 100644
--- a/drivers/net/ethernet/davicom/dm9000.h
+++ b/drivers/net/ethernet/davicom/dm9000.h
@@ -69,7 +69,9 @@
 #define NCR_WAKEEN          (1<<6)
 #define NCR_FCOL            (1<<4)
 #define NCR_FDX             (1<<3)
-#define NCR_LBK             (3<<1)
+
+#define NCR_RESERVED        (3<<1)
+#define NCR_MAC_LBK         (1<<1)
 #define NCR_RST             (1<<0)
 
 #define NSR_SPEED           (1<<7)
@@ -167,5 +169,12 @@
 #define ISR_LNKCHNG             (1<<5)
 #define ISR_UNDERRUN            (1<<4)
 
+/* Davicom MII registers.
+ */
+
+#define MII_DM_DSPCR            0x1b    /* DSP Control Register */
+
+#define DSPCR_INIT_PARAM        0xE100  /* DSP init parameter */
+
 #endif /* _DM9000X_H_ */
 
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 08e54f3d288b..2886c9b63f90 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -759,8 +759,9 @@ static struct sk_buff *be_insert_vlan_in_pkt(struct be_adapter *adapter,
 
         if (vlan_tx_tag_present(skb)) {
                 vlan_tag = be_get_tx_vlan_tag(adapter, skb);
-                __vlan_put_tag(skb, vlan_tag);
-                skb->vlan_tci = 0;
+                skb = __vlan_put_tag(skb, vlan_tag);
+                if (skb)
+                        skb->vlan_tci = 0;
         }
 
         return skb;
diff --git a/drivers/net/ethernet/freescale/fec.c b/drivers/net/ethernet/freescale/fec.c
index 911d0253dbb2..73195f643c9c 100644
--- a/drivers/net/ethernet/freescale/fec.c
+++ b/drivers/net/ethernet/freescale/fec.c
@@ -345,6 +345,53 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
         return NETDEV_TX_OK;
 }
 
+/* Init RX & TX buffer descriptors
+ */
+static void fec_enet_bd_init(struct net_device *dev)
+{
+        struct fec_enet_private *fep = netdev_priv(dev);
+        struct bufdesc *bdp;
+        unsigned int i;
+
+        /* Initialize the receive buffer descriptors. */
+        bdp = fep->rx_bd_base;
+        for (i = 0; i < RX_RING_SIZE; i++) {
+
+                /* Initialize the BD for every fragment in the page. */
+                if (bdp->cbd_bufaddr)
+                        bdp->cbd_sc = BD_ENET_RX_EMPTY;
+                else
+                        bdp->cbd_sc = 0;
+                bdp = fec_enet_get_nextdesc(bdp, fep->bufdesc_ex);
+        }
+
+        /* Set the last buffer to wrap */
+        bdp = fec_enet_get_prevdesc(bdp, fep->bufdesc_ex);
+        bdp->cbd_sc |= BD_SC_WRAP;
+
+        fep->cur_rx = fep->rx_bd_base;
+
+        /* ...and the same for transmit */
+        bdp = fep->tx_bd_base;
+        fep->cur_tx = bdp;
+        for (i = 0; i < TX_RING_SIZE; i++) {
+
+                /* Initialize the BD for every fragment in the page. */
+                bdp->cbd_sc = 0;
+                if (bdp->cbd_bufaddr && fep->tx_skbuff[i]) {
+                        dev_kfree_skb_any(fep->tx_skbuff[i]);
+                        fep->tx_skbuff[i] = NULL;
+                }
+                bdp->cbd_bufaddr = 0;
+                bdp = fec_enet_get_nextdesc(bdp, fep->bufdesc_ex);
+        }
+
+        /* Set the last buffer to wrap */
+        bdp = fec_enet_get_prevdesc(bdp, fep->bufdesc_ex);
+        bdp->cbd_sc |= BD_SC_WRAP;
+        fep->dirty_tx = bdp;
+}
+
 /* This function is called to start or restart the FEC during a link
  * change.  This only happens when switching between half and full
  * duplex.
@@ -388,6 +435,8 @@ fec_restart(struct net_device *ndev, int duplex)
         /* Set maximum receive buffer size. */
         writel(PKT_MAXBLR_SIZE, fep->hwp + FEC_R_BUFF_SIZE);
 
+        fec_enet_bd_init(ndev);
+
         /* Set receive and transmit descriptor base. */
         writel(fep->bd_dma, fep->hwp + FEC_R_DES_START);
         if (fep->bufdesc_ex)
@@ -397,7 +446,6 @@ fec_restart(struct net_device *ndev, int duplex)
                 writel((unsigned long)fep->bd_dma + sizeof(struct bufdesc)
                         * RX_RING_SIZE, fep->hwp + FEC_X_DES_START);
 
-        fep->cur_rx = fep->rx_bd_base;
 
         for (i = 0; i <= TX_RING_MOD_MASK; i++) {
                 if (fep->tx_skbuff[i]) {
@@ -954,6 +1002,7 @@ static void fec_enet_adjust_link(struct net_device *ndev)
         } else {
                 if (fep->link) {
                         fec_stop(ndev);
+                        fep->link = phy_dev->link;
                         status_change = 1;
                 }
         }
@@ -1597,8 +1646,6 @@ static int fec_enet_init(struct net_device *ndev)
 {
         struct fec_enet_private *fep = netdev_priv(ndev);
         struct bufdesc *cbd_base;
-        struct bufdesc *bdp;
-        unsigned int i;
 
         /* Allocate memory for buffer descriptors. */
         cbd_base = dma_alloc_coherent(NULL, PAGE_SIZE, &fep->bd_dma,
@@ -1608,6 +1655,7 @@ static int fec_enet_init(struct net_device *ndev)
                 return -ENOMEM;
         }
 
+        memset(cbd_base, 0, PAGE_SIZE);
         spin_lock_init(&fep->hw_lock);
 
         fep->netdev = ndev;
@@ -1631,35 +1679,6 @@ static int fec_enet_init(struct net_device *ndev)
         writel(FEC_RX_DISABLED_IMASK, fep->hwp + FEC_IMASK);
         netif_napi_add(ndev, &fep->napi, fec_enet_rx_napi, FEC_NAPI_WEIGHT);
 
-        /* Initialize the receive buffer descriptors. */
-        bdp = fep->rx_bd_base;
-        for (i = 0; i < RX_RING_SIZE; i++) {
-
-                /* Initialize the BD for every fragment in the page. */
-                bdp->cbd_sc = 0;
-                bdp = fec_enet_get_nextdesc(bdp, fep->bufdesc_ex);
-        }
-
-        /* Set the last buffer to wrap */
-        bdp = fec_enet_get_prevdesc(bdp, fep->bufdesc_ex);
-        bdp->cbd_sc |= BD_SC_WRAP;
-
-        /* ...and the same for transmit */
-        bdp = fep->tx_bd_base;
-        fep->cur_tx = bdp;
-        for (i = 0; i < TX_RING_SIZE; i++) {
-
-                /* Initialize the BD for every fragment in the page. */
-                bdp->cbd_sc = 0;
-                bdp->cbd_bufaddr = 0;
-                bdp = fec_enet_get_nextdesc(bdp, fep->bufdesc_ex);
-        }
-
-        /* Set the last buffer to wrap */
-        bdp = fec_enet_get_prevdesc(bdp, fep->bufdesc_ex);
-        bdp->cbd_sc |= BD_SC_WRAP;
-        fep->dirty_tx = bdp;
-
         fec_restart(ndev, 0);
 
         return 0;
diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c
index ec800b093e7e..d2bea3f07c73 100644
--- a/drivers/net/ethernet/intel/e100.c
+++ b/drivers/net/ethernet/intel/e100.c
@@ -870,7 +870,7 @@ err_unlock:
 }
 
 static int e100_exec_cb(struct nic *nic, struct sk_buff *skb,
-        void (*cb_prepare)(struct nic *, struct cb *, struct sk_buff *))
+        int (*cb_prepare)(struct nic *, struct cb *, struct sk_buff *))
 {
         struct cb *cb;
         unsigned long flags;
@@ -888,10 +888,13 @@ static int e100_exec_cb(struct nic *nic, struct sk_buff *skb,
         nic->cbs_avail--;
         cb->skb = skb;
 
+        err = cb_prepare(nic, cb, skb);
+        if (err)
+                goto err_unlock;
+
         if (unlikely(!nic->cbs_avail))
                 err = -ENOSPC;
 
-        cb_prepare(nic, cb, skb);
 
         /* Order is important otherwise we'll be in a race with h/w:
          * set S-bit in current first, then clear S-bit in previous. */
@@ -1091,7 +1094,7 @@ static void e100_get_defaults(struct nic *nic)
         nic->mii.mdio_write = mdio_write;
 }
 
-static void e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb)
+static int e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb)
 {
         struct config *config = &cb->u.config;
         u8 *c = (u8 *)config;
@@ -1181,6 +1184,7 @@ static void e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb)
         netif_printk(nic, hw, KERN_DEBUG, nic->netdev,
                      "[16-23]=%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
                      c[16], c[17], c[18], c[19], c[20], c[21], c[22], c[23]);
+        return 0;
 }
 
 /*************************************************************************
@@ -1331,7 +1335,7 @@ static const struct firmware *e100_request_firmware(struct nic *nic)
         return fw;
 }
 
-static void e100_setup_ucode(struct nic *nic, struct cb *cb,
+static int e100_setup_ucode(struct nic *nic, struct cb *cb,
                              struct sk_buff *skb)
 {
         const struct firmware *fw = (void *)skb;
@@ -1358,6 +1362,7 @@ static void e100_setup_ucode(struct nic *nic, struct cb *cb,
         cb->u.ucode[min_size] |= cpu_to_le32((BUNDLESMALL) ? 0xFFFF : 0xFF80);
 
         cb->command = cpu_to_le16(cb_ucode | cb_el);
+        return 0;
 }
 
 static inline int e100_load_ucode_wait(struct nic *nic)
@@ -1400,18 +1405,20 @@ static inline int e100_load_ucode_wait(struct nic *nic)
         return err;
 }
 
-static void e100_setup_iaaddr(struct nic *nic, struct cb *cb,
+static int e100_setup_iaaddr(struct nic *nic, struct cb *cb,
         struct sk_buff *skb)
 {
         cb->command = cpu_to_le16(cb_iaaddr);
         memcpy(cb->u.iaaddr, nic->netdev->dev_addr, ETH_ALEN);
+        return 0;
 }
 
-static void e100_dump(struct nic *nic, struct cb *cb, struct sk_buff *skb)
+static int e100_dump(struct nic *nic, struct cb *cb, struct sk_buff *skb)
 {
         cb->command = cpu_to_le16(cb_dump);
         cb->u.dump_buffer_addr = cpu_to_le32(nic->dma_addr +
                 offsetof(struct mem, dump_buf));
+        return 0;
 }
 
 static int e100_phy_check_without_mii(struct nic *nic)
@@ -1581,7 +1588,7 @@ static int e100_hw_init(struct nic *nic)
         return 0;
 }
 
-static void e100_multi(struct nic *nic, struct cb *cb, struct sk_buff *skb)
+static int e100_multi(struct nic *nic, struct cb *cb, struct sk_buff *skb)
 {
         struct net_device *netdev = nic->netdev;
         struct netdev_hw_addr *ha;
@@ -1596,6 +1603,7 @@ static void e100_multi(struct nic *nic, struct cb *cb, struct sk_buff *skb)
                 memcpy(&cb->u.multi.addr[i++ * ETH_ALEN], &ha->addr,
                         ETH_ALEN);
         }
+        return 0;
 }
 
 static void e100_set_multicast_list(struct net_device *netdev)
@@ -1756,11 +1764,18 @@ static void e100_watchdog(unsigned long data)
                   round_jiffies(jiffies + E100_WATCHDOG_PERIOD));
 }
 
-static void e100_xmit_prepare(struct nic *nic, struct cb *cb,
+static int e100_xmit_prepare(struct nic *nic, struct cb *cb,
         struct sk_buff *skb)
 {
+        dma_addr_t dma_addr;
         cb->command = nic->tx_command;
 
+        dma_addr = pci_map_single(nic->pdev,
+                                  skb->data, skb->len, PCI_DMA_TODEVICE);
+        /* If we can't map the skb, have the upper layer try later */
+        if (pci_dma_mapping_error(nic->pdev, dma_addr))
+                return -ENOMEM;
+
         /*
          * Use the last 4 bytes of the SKB payload packet as the CRC, used for
          * testing, ie sending frames with bad CRC.
@@ -1777,11 +1792,10 @@ static void e100_xmit_prepare(struct nic *nic, struct cb *cb,
         cb->u.tcb.tcb_byte_count = 0;
         cb->u.tcb.threshold = nic->tx_threshold;
         cb->u.tcb.tbd_count = 1;
-        cb->u.tcb.tbd.buf_addr = cpu_to_le32(pci_map_single(nic->pdev,
-                skb->data, skb->len, PCI_DMA_TODEVICE));
-        /* check for mapping failure? */
+        cb->u.tcb.tbd.buf_addr = cpu_to_le32(dma_addr);
         cb->u.tcb.tbd.size = cpu_to_le16(skb->len);
         skb_tx_timestamp(skb);
+        return 0;
 }
 
 static netdev_tx_t e100_xmit_frame(struct sk_buff *skb,
diff --git a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
index 43462d596a4e..ffd287196bf8 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
@@ -1053,6 +1053,10 @@ static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
                 txdr->buffer_info[i].dma =
                         dma_map_single(&pdev->dev, skb->data, skb->len,
                                        DMA_TO_DEVICE);
+                if (dma_mapping_error(&pdev->dev, txdr->buffer_info[i].dma)) {
+                        ret_val = 4;
+                        goto err_nomem;
+                }
                 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
                 tx_desc->lower.data = cpu_to_le32(skb->len);
                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
@@ -1069,7 +1073,7 @@ static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
         rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_buffer),
                                     GFP_KERNEL);
         if (!rxdr->buffer_info) {
-                ret_val = 4;
+                ret_val = 5;
                 goto err_nomem;
         }
 
@@ -1077,7 +1081,7 @@ static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
         rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
                                         GFP_KERNEL);
         if (!rxdr->desc) {
-                ret_val = 5;
+                ret_val = 6;
                 goto err_nomem;
         }
         memset(rxdr->desc, 0, rxdr->size);
@@ -1101,7 +1105,7 @@ static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
 
                 skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL);
                 if (!skb) {
-                        ret_val = 6;
+                        ret_val = 7;
                         goto err_nomem;
                 }
                 skb_reserve(skb, NET_IP_ALIGN);
@@ -1110,6 +1114,10 @@ static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
                 rxdr->buffer_info[i].dma =
                         dma_map_single(&pdev->dev, skb->data,
                                        E1000_RXBUFFER_2048, DMA_FROM_DEVICE);
+                if (dma_mapping_error(&pdev->dev, rxdr->buffer_info[i].dma)) {
+                        ret_val = 8;
+                        goto err_nomem;
+                }
                 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
                 memset(skb->data, 0x00, skb->len);
         }
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 948b86ffa4f0..7e615e2bf7e6 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -848,11 +848,16 @@ check_page:
                         }
                 }
 
-                if (!buffer_info->dma)
+                if (!buffer_info->dma) {
                         buffer_info->dma = dma_map_page(&pdev->dev,
                                                         buffer_info->page, 0,
                                                         PAGE_SIZE,
                                                         DMA_FROM_DEVICE);
+                        if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
+                                adapter->alloc_rx_buff_failed++;
+                                break;
+                        }
+                }
 
                 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
                 rx_desc->read.buffer_addr = cpu_to_le64(buffer_info->dma);
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h
index 25151401c2ab..ab577a763a20 100644
--- a/drivers/net/ethernet/intel/igb/igb.h
+++ b/drivers/net/ethernet/intel/igb/igb.h
@@ -284,18 +284,10 @@ struct igb_q_vector {
 enum e1000_ring_flags_t {
         IGB_RING_FLAG_RX_SCTP_CSUM,
         IGB_RING_FLAG_RX_LB_VLAN_BSWAP,
-        IGB_RING_FLAG_RX_BUILD_SKB_ENABLED,
         IGB_RING_FLAG_TX_CTX_IDX,
         IGB_RING_FLAG_TX_DETECT_HANG
 };
 
-#define ring_uses_build_skb(ring) \
-        test_bit(IGB_RING_FLAG_RX_BUILD_SKB_ENABLED, &(ring)->flags)
-#define set_ring_build_skb_enabled(ring) \
-        set_bit(IGB_RING_FLAG_RX_BUILD_SKB_ENABLED, &(ring)->flags)
-#define clear_ring_build_skb_enabled(ring) \
-        clear_bit(IGB_RING_FLAG_RX_BUILD_SKB_ENABLED, &(ring)->flags)
-
 #define IGB_TXD_DCMD (E1000_ADVTXD_DCMD_EOP | E1000_ADVTXD_DCMD_RS)
 
 #define IGB_RX_DESC(R, i)           \
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 8496adfc6a68..64f75291e3a5 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -3350,20 +3350,6 @@ void igb_configure_rx_ring(struct igb_adapter *adapter,
         wr32(E1000_RXDCTL(reg_idx), rxdctl);
 }
 
-static void igb_set_rx_buffer_len(struct igb_adapter *adapter,
-                                  struct igb_ring *rx_ring)
-{
-#define IGB_MAX_BUILD_SKB_SIZE \
-        (SKB_WITH_OVERHEAD(IGB_RX_BUFSZ) - \
-         (NET_SKB_PAD + NET_IP_ALIGN + IGB_TS_HDR_LEN))
-
-        /* set build_skb flag */
-        if (adapter->max_frame_size <= IGB_MAX_BUILD_SKB_SIZE)
-                set_ring_build_skb_enabled(rx_ring);
-        else
-                clear_ring_build_skb_enabled(rx_ring);
-}
-
 /**
  * igb_configure_rx - Configure receive Unit after Reset
  * @adapter: board private structure
@@ -3383,11 +3369,8 @@ static void igb_configure_rx(struct igb_adapter *adapter)
 
         /* Setup the HW Rx Head and Tail Descriptor Pointers and
          * the Base and Length of the Rx Descriptor Ring */
-        for (i = 0; i < adapter->num_rx_queues; i++) {
-                struct igb_ring *rx_ring = adapter->rx_ring[i];
-                igb_set_rx_buffer_len(adapter, rx_ring);
-                igb_configure_rx_ring(adapter, rx_ring);
-        }
+        for (i = 0; i < adapter->num_rx_queues; i++)
+                igb_configure_rx_ring(adapter, adapter->rx_ring[i]);
 }
 
 /**
@@ -6203,78 +6186,6 @@ static bool igb_add_rx_frag(struct igb_ring *rx_ring,
         return igb_can_reuse_rx_page(rx_buffer, page, truesize);
 }
 
-static struct sk_buff *igb_build_rx_buffer(struct igb_ring *rx_ring,
-                                           union e1000_adv_rx_desc *rx_desc)
-{
-        struct igb_rx_buffer *rx_buffer;
-        struct sk_buff *skb;
-        struct page *page;
-        void *page_addr;
-        unsigned int size = le16_to_cpu(rx_desc->wb.upper.length);
-#if (PAGE_SIZE < 8192)
-        unsigned int truesize = IGB_RX_BUFSZ;
-#else
-        unsigned int truesize = SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) +
-                                SKB_DATA_ALIGN(NET_SKB_PAD +
-                                               NET_IP_ALIGN +
-                                               size);
-#endif
-
-        /* If we spanned a buffer we have a huge mess so test for it */
-        BUG_ON(unlikely(!igb_test_staterr(rx_desc, E1000_RXD_STAT_EOP)));
-
-        rx_buffer = &rx_ring->rx_buffer_info[rx_ring->next_to_clean];
-        page = rx_buffer->page;
-        prefetchw(page);
-
-        page_addr = page_address(page) + rx_buffer->page_offset;
-
-        /* prefetch first cache line of first page */
-        prefetch(page_addr + NET_SKB_PAD + NET_IP_ALIGN);
-#if L1_CACHE_BYTES < 128
-        prefetch(page_addr + L1_CACHE_BYTES + NET_SKB_PAD + NET_IP_ALIGN);
-#endif
-
-        /* build an skb to around the page buffer */
-        skb = build_skb(page_addr, truesize);
-        if (unlikely(!skb)) {
-                rx_ring->rx_stats.alloc_failed++;
-                return NULL;
-        }
-
-        /* we are reusing so sync this buffer for CPU use */
-        dma_sync_single_range_for_cpu(rx_ring->dev,
-                                      rx_buffer->dma,
-                                      rx_buffer->page_offset,
-                                      IGB_RX_BUFSZ,
-                                      DMA_FROM_DEVICE);
-
-        /* update pointers within the skb to store the data */
-        skb_reserve(skb, NET_IP_ALIGN + NET_SKB_PAD);
-        __skb_put(skb, size);
-
-        /* pull timestamp out of packet data */
-        if (igb_test_staterr(rx_desc, E1000_RXDADV_STAT_TSIP)) {
-                igb_ptp_rx_pktstamp(rx_ring->q_vector, skb->data, skb);
-                __skb_pull(skb, IGB_TS_HDR_LEN);
-        }
-
-        if (igb_can_reuse_rx_page(rx_buffer, page, truesize)) {
-                /* hand second half of page back to the ring */
-                igb_reuse_rx_page(rx_ring, rx_buffer);
-        } else {
-                /* we are not reusing the buffer so unmap it */
-                dma_unmap_page(rx_ring->dev, rx_buffer->dma,
-                               PAGE_SIZE, DMA_FROM_DEVICE);
-        }
-
-        /* clear contents of buffer_info */
-        rx_buffer->dma = 0;
-        rx_buffer->page = NULL;
-
-        return skb;
-}
-
 static struct sk_buff *igb_fetch_rx_buffer(struct igb_ring *rx_ring,
                                            union e1000_adv_rx_desc *rx_desc,
                                            struct sk_buff *skb)
@@ -6690,10 +6601,7 @@ static bool igb_clean_rx_irq(struct igb_q_vector *q_vector, const int budget)
                 rmb();
 
                 /* retrieve a buffer from the ring */
-                if (ring_uses_build_skb(rx_ring))
-                        skb = igb_build_rx_buffer(rx_ring, rx_desc);
-                else
-                        skb = igb_fetch_rx_buffer(rx_ring, rx_desc, skb);
+                skb = igb_fetch_rx_buffer(rx_ring, rx_desc, skb);
 
                 /* exit if we failed to retrieve a buffer */
                 if (!skb)
@@ -6780,14 +6688,6 @@ static bool igb_alloc_mapped_page(struct igb_ring *rx_ring,
         return true;
 }
 
-static inline unsigned int igb_rx_offset(struct igb_ring *rx_ring)
-{
-        if (ring_uses_build_skb(rx_ring))
-                return NET_SKB_PAD + NET_IP_ALIGN;
-        else
-                return 0;
-}
-
 /**
  * igb_alloc_rx_buffers - Replace used receive buffers; packet split
  * @adapter: address of board private structure
@@ -6814,9 +6714,7 @@ void igb_alloc_rx_buffers(struct igb_ring *rx_ring, u16 cleaned_count)
                  * Refresh the desc even if buffer_addrs didn't change
                  * because each write-back erases this info.
                  */
-                rx_desc->read.pkt_addr = cpu_to_le64(bi->dma +
-                                                     bi->page_offset +
-                                                     igb_rx_offset(rx_ring));
+                rx_desc->read.pkt_addr = cpu_to_le64(bi->dma + bi->page_offset);
 
                 rx_desc++;
                 bi++;
diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_main.c b/drivers/net/ethernet/intel/ixgb/ixgb_main.c
index ea4808373435..b5f94abe3cff 100644
--- a/drivers/net/ethernet/intel/ixgb/ixgb_main.c
+++ b/drivers/net/ethernet/intel/ixgb/ixgb_main.c
@@ -2159,6 +2159,10 @@ map_skb:
                                                   skb->data,
                                                   adapter->rx_buffer_len,
                                                   DMA_FROM_DEVICE);
+                if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
+                        adapter->alloc_rx_buff_failed++;
+                        break;
+                }
 
                 rx_desc = IXGB_RX_DESC(*rx_ring, i);
                 rx_desc->buff_addr = cpu_to_le64(buffer_info->dma);
@@ -2168,7 +2172,8 @@ map_skb:
                 rx_desc->status = 0;
 
 
-                if (++i == rx_ring->count) i = 0;
+                if (++i == rx_ring->count)
+                        i = 0;
                 buffer_info = &rx_ring->buffer_info[i];
         }
 
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index db5611ae407e..79f4a26ea6cc 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -7922,12 +7922,19 @@ static int __init ixgbe_init_module(void)
         ixgbe_dbg_init();
 #endif /* CONFIG_DEBUG_FS */
 
+        ret = pci_register_driver(&ixgbe_driver);
+        if (ret) {
+#ifdef CONFIG_DEBUG_FS
+                ixgbe_dbg_exit();
+#endif /* CONFIG_DEBUG_FS */
+                return ret;
+        }
+
 #ifdef CONFIG_IXGBE_DCA
         dca_register_notify(&dca_notifier);
 #endif
 
-        ret = pci_register_driver(&ixgbe_driver);
-        return ret;
+        return 0;
 }
 
 module_init(ixgbe_init_module);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index d44b4d21268c..97e33669c0b9 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -1049,6 +1049,12 @@ int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos)
         if ((vf >= adapter->num_vfs) || (vlan > 4095) || (qos > 7))
                 return -EINVAL;
         if (vlan || qos) {
+                if (adapter->vfinfo[vf].pf_vlan)
+                        err = ixgbe_set_vf_vlan(adapter, false,
+                                                adapter->vfinfo[vf].pf_vlan,
+                                                vf);
+                if (err)
+                        goto out;
                 err = ixgbe_set_vf_vlan(adapter, true, vlan, vf);
                 if (err)
                         goto out;
diff --git a/drivers/net/ethernet/marvell/Kconfig b/drivers/net/ethernet/marvell/Kconfig
index edfba9370922..434e33c527df 100644
--- a/drivers/net/ethernet/marvell/Kconfig
+++ b/drivers/net/ethernet/marvell/Kconfig
@@ -33,6 +33,7 @@ config MV643XX_ETH
 
 config MVMDIO
         tristate "Marvell MDIO interface support"
+        select PHYLIB
         ---help---
           This driver supports the MDIO interface found in the network
           interface units of the Marvell EBU SoCs (Kirkwood, Orion5x,
@@ -45,7 +46,6 @@ config MVMDIO
 config MVNETA
         tristate "Marvell Armada 370/XP network interface support"
         depends on MACH_ARMADA_370_XP
-        select PHYLIB
         select MVMDIO
         ---help---
           This driver supports the network interface units in the
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index cd345b8969bc..a47a097c21e1 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -374,7 +374,6 @@ static int rxq_number = 8;
 static int txq_number = 8;
 
 static int rxq_def;
-static int txq_def;
 
 #define MVNETA_DRIVER_NAME "mvneta"
 #define MVNETA_DRIVER_VERSION "1.0"
@@ -1475,7 +1474,8 @@ error:
 static int mvneta_tx(struct sk_buff *skb, struct net_device *dev)
 {
         struct mvneta_port *pp = netdev_priv(dev);
-        struct mvneta_tx_queue *txq = &pp->txqs[txq_def];
+        u16 txq_id = skb_get_queue_mapping(skb);
+        struct mvneta_tx_queue *txq = &pp->txqs[txq_id];
         struct mvneta_tx_desc *tx_desc;
         struct netdev_queue *nq;
         int frags = 0;
@@ -1485,7 +1485,7 @@ static int mvneta_tx(struct sk_buff *skb, struct net_device *dev)
                 goto out;
 
         frags = skb_shinfo(skb)->nr_frags + 1;
-        nq    = netdev_get_tx_queue(dev, txq_def);
+        nq    = netdev_get_tx_queue(dev, txq_id);
 
         /* Get a descriptor for the first part of the packet */
         tx_desc = mvneta_txq_next_desc_get(txq);
@@ -2689,7 +2689,7 @@ static int mvneta_probe(struct platform_device *pdev)
                 return -EINVAL;
         }
 
-        dev = alloc_etherdev_mq(sizeof(struct mvneta_port), 8);
+        dev = alloc_etherdev_mqs(sizeof(struct mvneta_port), txq_number, rxq_number);
         if (!dev)
                 return -ENOMEM;
 
@@ -2771,16 +2771,17 @@ static int mvneta_probe(struct platform_device *pdev)
 
         netif_napi_add(dev, &pp->napi, mvneta_poll, pp->weight);
 
+        dev->features = NETIF_F_SG | NETIF_F_IP_CSUM;
+        dev->hw_features |= NETIF_F_SG | NETIF_F_IP_CSUM;
+        dev->vlan_features |= NETIF_F_SG | NETIF_F_IP_CSUM;
+        dev->priv_flags |= IFF_UNICAST_FLT;
+
         err = register_netdev(dev);
         if (err < 0) {
                 dev_err(&pdev->dev, "failed to register\n");
                 goto err_deinit;
         }
 
-        dev->features = NETIF_F_SG | NETIF_F_IP_CSUM;
-        dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM;
-        dev->priv_flags |= IFF_UNICAST_FLT;
-
         netdev_info(dev, "mac: %pM\n", dev->dev_addr);
 
         platform_set_drvdata(pdev, pp->dev);
@@ -2843,4 +2844,3 @@ module_param(rxq_number, int, S_IRUGO);
 module_param(txq_number, int, S_IRUGO);
 
 module_param(rxq_def, int, S_IRUGO);
-module_param(txq_def, int, S_IRUGO);
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index fc07ca35721b..6a0e671fcecd 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -1067,7 +1067,7 @@ static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, u32 space)
                 sky2_write32(hw, RB_ADDR(q, RB_RX_UTHP), tp);
                 sky2_write32(hw, RB_ADDR(q, RB_RX_LTHP), space/2);
 
-                tp = space - 2048/8;
+                tp = space - 8192/8;
                 sky2_write32(hw, RB_ADDR(q, RB_RX_UTPP), tp);
                 sky2_write32(hw, RB_ADDR(q, RB_RX_LTPP), space/4);
         } else {
diff --git a/drivers/net/ethernet/marvell/sky2.h b/drivers/net/ethernet/marvell/sky2.h
index 615ac63ea860..ec6dcd80152b 100644
--- a/drivers/net/ethernet/marvell/sky2.h
+++ b/drivers/net/ethernet/marvell/sky2.h
@@ -2074,7 +2074,7 @@ enum {
         GM_IS_RX_FF_OR  = 1<<1, /* Receive FIFO Overrun */
         GM_IS_RX_COMPL  = 1<<0, /* Frame Reception Complete */
 
-#define GMAC_DEF_MSK     GM_IS_TX_FF_UR
+#define GMAC_DEF_MSK     (GM_IS_TX_FF_UR | GM_IS_RX_FF_OR)
 };
 
 /*      GMAC_LINK_CTRL  16 bit  GMAC Link Control Reg (YUKON only) */
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index f278b10ef714..30d78f806dc3 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -411,8 +411,8 @@ static int mlx4_en_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
 
 static void mlx4_en_u64_to_mac(unsigned char dst_mac[ETH_ALEN + 2], u64 src_mac)
 {
-        unsigned int i;
-        for (i = ETH_ALEN - 1; i; --i) {
+        int i;
+        for (i = ETH_ALEN - 1; i >= 0; --i) {
                 dst_mac[i] = src_mac & 0xff;
                 src_mac >>= 8;
         }
diff --git a/drivers/net/ethernet/micrel/ks8851.c b/drivers/net/ethernet/micrel/ks8851.c
index 33bcb63d56a2..8fb481252e2c 100644
--- a/drivers/net/ethernet/micrel/ks8851.c
+++ b/drivers/net/ethernet/micrel/ks8851.c
@@ -528,7 +528,7 @@ static void ks8851_rx_pkts(struct ks8851_net *ks)
         for (; rxfc != 0; rxfc--) {
                 rxh = ks8851_rdreg32(ks, KS_RXFHSR);
                 rxstat = rxh & 0xffff;
-                rxlen = rxh >> 16;
+                rxlen = (rxh >> 16) & 0xfff;
 
                 netif_dbg(ks, rx_status, ks->netdev,
                           "rx: stat 0x%04x, len 0x%04x\n", rxstat, rxlen);
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
index cd5ae8813cb3..edd63f1230f3 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
@@ -1500,6 +1500,12 @@ int qlcnic_83xx_loopback_test(struct net_device *netdev, u8 mode)
                 }
         } while ((adapter->ahw->linkup && ahw->has_link_events) != 1);
 
+        /* Make sure carrier is off and queue is stopped during loopback */
+        if (netif_running(netdev)) {
+                netif_carrier_off(netdev);
+                netif_stop_queue(netdev);
+        }
+
         ret = qlcnic_do_lb_test(adapter, mode);
 
         qlcnic_83xx_clear_lb_mode(adapter, mode);
@@ -2780,6 +2786,7 @@ static u64 *qlcnic_83xx_fill_stats(struct qlcnic_adapter *adapter,
 void qlcnic_83xx_get_stats(struct qlcnic_adapter *adapter, u64 *data)
 {
         struct qlcnic_cmd_args cmd;
+        struct net_device *netdev = adapter->netdev;
         int ret = 0;
 
         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_STATISTICS);
@@ -2789,7 +2796,7 @@ void qlcnic_83xx_get_stats(struct qlcnic_adapter *adapter, u64 *data)
         data = qlcnic_83xx_fill_stats(adapter, &cmd, data,
                                       QLC_83XX_STAT_TX, &ret);
         if (ret) {
-                dev_info(&adapter->pdev->dev, "Error getting MAC stats\n");
+                netdev_err(netdev, "Error getting Tx stats\n");
                 goto out;
         }
         /* Get MAC stats */
@@ -2799,8 +2806,7 @@ void qlcnic_83xx_get_stats(struct qlcnic_adapter *adapter, u64 *data)
         data = qlcnic_83xx_fill_stats(adapter, &cmd, data,
                                       QLC_83XX_STAT_MAC, &ret);
         if (ret) {
-                dev_info(&adapter->pdev->dev,
-                         "Error getting Rx stats\n");
+                netdev_err(netdev, "Error getting MAC stats\n");
                 goto out;
         }
         /* Get Rx stats */
@@ -2810,8 +2816,7 @@ void qlcnic_83xx_get_stats(struct qlcnic_adapter *adapter, u64 *data)
         data = qlcnic_83xx_fill_stats(adapter, &cmd, data,
                                       QLC_83XX_STAT_RX, &ret);
         if (ret)
-                dev_info(&adapter->pdev->dev,
-                         "Error getting Tx stats\n");
+                netdev_err(netdev, "Error getting Rx stats\n");
 out:
         qlcnic_free_mbx_args(&cmd);
 }
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
index 0e630061bff3..5fa847fe388a 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
@@ -358,8 +358,7 @@ set_flags:
                 memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN);
         }
         opcode = TX_ETHER_PKT;
-        if ((adapter->netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
-            skb_shinfo(skb)->gso_size > 0) {
+        if (skb_is_gso(skb)) {
                 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
                 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
                 first_desc->total_hdr_length = hdr_len;
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
index 987fb6f8adc3..5ef328af61d0 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
@@ -200,10 +200,10 @@ beacon_err:
         }
 
         err = qlcnic_config_led(adapter, b_state, b_rate);
-        if (!err)
+        if (!err) {
                 err = len;
-        else
                 ahw->beacon_state = b_state;
+        }
 
         if (test_and_clear_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state))
                 qlcnic_diag_free_res(adapter->netdev, max_sds_rings);
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge.h b/drivers/net/ethernet/qlogic/qlge/qlge.h
index a131d7b5d2fe..7e8d68263963 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge.h
+++ b/drivers/net/ethernet/qlogic/qlge/qlge.h
@@ -18,7 +18,7 @@
  */
 #define DRV_NAME        "qlge"
 #define DRV_STRING      "QLogic 10 Gigabit PCI-E Ethernet Driver "
-#define DRV_VERSION     "v1.00.00.31"
+#define DRV_VERSION     "v1.00.00.32"
 
 #define WQ_ADDR_ALIGN   0x3     /* 4 byte alignment */
 
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c b/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c
index 6f316ab23257..0780e039b271 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c
@@ -379,13 +379,13 @@ static int ql_get_settings(struct net_device *ndev,
 
         ecmd->supported = SUPPORTED_10000baseT_Full;
         ecmd->advertising = ADVERTISED_10000baseT_Full;
-        ecmd->autoneg = AUTONEG_ENABLE;
         ecmd->transceiver = XCVR_EXTERNAL;
         if ((qdev->link_status & STS_LINK_TYPE_MASK) ==
                                 STS_LINK_TYPE_10GBASET) {
                 ecmd->supported |= (SUPPORTED_TP | SUPPORTED_Autoneg);
                 ecmd->advertising |= (ADVERTISED_TP | ADVERTISED_Autoneg);
                 ecmd->port = PORT_TP;
+                ecmd->autoneg = AUTONEG_ENABLE;
         } else {
                 ecmd->supported |= SUPPORTED_FIBRE;
                 ecmd->advertising |= ADVERTISED_FIBRE;
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
index b13ab544a7eb..8033555e53c2 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
@@ -1434,11 +1434,13 @@ map_error:
 }
 
 /* Categorizing receive firmware frame errors */
-static void ql_categorize_rx_err(struct ql_adapter *qdev, u8 rx_err)
+static void ql_categorize_rx_err(struct ql_adapter *qdev, u8 rx_err,
+                                 struct rx_ring *rx_ring)
 {
         struct nic_stats *stats = &qdev->nic_stats;
 
         stats->rx_err_count++;
+        rx_ring->rx_errors++;
 
         switch (rx_err & IB_MAC_IOCB_RSP_ERR_MASK) {
         case IB_MAC_IOCB_RSP_ERR_CODE_ERR:
@@ -1474,6 +1476,12 @@ static void ql_process_mac_rx_gro_page(struct ql_adapter *qdev,
         struct bq_desc *lbq_desc = ql_get_curr_lchunk(qdev, rx_ring);
         struct napi_struct *napi = &rx_ring->napi;
 
+        /* Frame error, so drop the packet. */
+        if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) {
+                ql_categorize_rx_err(qdev, ib_mac_rsp->flags2, rx_ring);
+                put_page(lbq_desc->p.pg_chunk.page);
+                return;
+        }
         napi->dev = qdev->ndev;
 
         skb = napi_get_frags(napi);
@@ -1529,6 +1537,12 @@ static void ql_process_mac_rx_page(struct ql_adapter *qdev,
         addr = lbq_desc->p.pg_chunk.va;
         prefetch(addr);
 
+        /* Frame error, so drop the packet. */
+        if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) {
+                ql_categorize_rx_err(qdev, ib_mac_rsp->flags2, rx_ring);
+                goto err_out;
+        }
+
         /* The max framesize filter on this chip is set higher than
          * MTU since FCoE uses 2k frames.
          */
@@ -1614,6 +1628,13 @@ static void ql_process_mac_rx_skb(struct ql_adapter *qdev,
         memcpy(skb_put(new_skb, length), skb->data, length);
         skb = new_skb;
 
+        /* Frame error, so drop the packet. */
+        if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) {
+                ql_categorize_rx_err(qdev, ib_mac_rsp->flags2, rx_ring);
+                dev_kfree_skb_any(skb);
+                return;
+        }
+
         /* loopback self test for ethtool */
         if (test_bit(QL_SELFTEST, &qdev->flags)) {
                 ql_check_lb_frame(qdev, skb);
@@ -1919,6 +1940,13 @@ static void ql_process_mac_split_rx_intr(struct ql_adapter *qdev,
                 return;
         }
 
+        /* Frame error, so drop the packet. */
+        if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) {
+                ql_categorize_rx_err(qdev, ib_mac_rsp->flags2, rx_ring);
+                dev_kfree_skb_any(skb);
+                return;
+        }
+
         /* The max framesize filter on this chip is set higher than
          * MTU since FCoE uses 2k frames.
          */
@@ -2000,12 +2028,6 @@ static unsigned long ql_process_mac_rx_intr(struct ql_adapter *qdev,
 
         QL_DUMP_IB_MAC_RSP(ib_mac_rsp);
 
-        /* Frame error, so drop the packet. */
-        if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) {
-                ql_categorize_rx_err(qdev, ib_mac_rsp->flags2);
-                return (unsigned long)length;
-        }
-
         if (ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HV) {
                 /* The data and headers are split into
                  * separate buffers.
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 28fb50a1e9c3..4ecbe64a758d 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -3818,6 +3818,30 @@ static void rtl_init_mdio_ops(struct rtl8169_private *tp)
         }
 }
 
+static void rtl_speed_down(struct rtl8169_private *tp)
+{
+        u32 adv;
+        int lpa;
+
+        rtl_writephy(tp, 0x1f, 0x0000);
+        lpa = rtl_readphy(tp, MII_LPA);
+
+        if (lpa & (LPA_10HALF | LPA_10FULL))
+                adv = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full;
+        else if (lpa & (LPA_100HALF | LPA_100FULL))
+                adv = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
+                      ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full;
+        else
+                adv = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
+                      ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
+                      (tp->mii.supports_gmii ?
+                       ADVERTISED_1000baseT_Half |
+                       ADVERTISED_1000baseT_Full : 0);
+
+        rtl8169_set_speed(tp->dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
+                          adv);
+}
+
 static void rtl_wol_suspend_quirk(struct rtl8169_private *tp)
 {
         void __iomem *ioaddr = tp->mmio_addr;
@@ -3848,9 +3872,7 @@ static bool rtl_wol_pll_power_down(struct rtl8169_private *tp)
         if (!(__rtl8169_get_wol(tp) & WAKE_ANY))
                 return false;
 
-        rtl_writephy(tp, 0x1f, 0x0000);
-        rtl_writephy(tp, MII_BMCR, 0x0000);
-
+        rtl_speed_down(tp);
         rtl_wol_suspend_quirk(tp);
 
         return true;
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index bf5e3cf97c4d..6ed333fe5c04 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1216,10 +1216,7 @@ static void sh_eth_error(struct net_device *ndev, int intr_status)
                 if (felic_stat & ECSR_LCHNG) {
                         /* Link Changed */
                         if (mdp->cd->no_psr || mdp->no_ether_link) {
-                                if (mdp->link == PHY_DOWN)
-                                        link_stat = 0;
-                                else
-                                        link_stat = PHY_ST_LINK;
+                                goto ignore_link;
                         } else {
                                 link_stat = (sh_eth_read(ndev, PSR));
                                 if (mdp->ether_link_active_low)
@@ -1242,6 +1239,7 @@ static void sh_eth_error(struct net_device *ndev, int intr_status)
                 }
         }
 
+ignore_link:
         if (intr_status & EESR_TWB) {
                 /* Write buck end. unused write back interrupt */
                 if (intr_status & EESR_TABT)    /* Transmit Abort int */
@@ -1326,12 +1324,18 @@ static irqreturn_t sh_eth_interrupt(int irq, void *netdev)
         struct sh_eth_private *mdp = netdev_priv(ndev);
         struct sh_eth_cpu_data *cd = mdp->cd;
         irqreturn_t ret = IRQ_NONE;
-        u32 intr_status = 0;
+        unsigned long intr_status;
 
         spin_lock(&mdp->lock);
 
-        /* Get interrpt stat */
+        /* Get interrupt status */
         intr_status = sh_eth_read(ndev, EESR);
+        /* Mask it with the interrupt mask, forcing ECI interrupt to be always
+         * enabled since it's the one that  comes thru regardless of the mask,
+         * and we need to fully handle it in sh_eth_error() in order to quench
+         * it as it doesn't get cleared by just writing 1 to the ECI bit...
+         */
+        intr_status &= sh_eth_read(ndev, EESIPR) | DMAC_M_ECI;
         /* Clear interrupt */
         if (intr_status & (EESR_FRC | EESR_RMAF | EESR_RRF |
                         EESR_RTLF | EESR_RTSF | EESR_PRE | EESR_CERF |
@@ -1373,7 +1377,7 @@ static void sh_eth_adjust_link(struct net_device *ndev)
         struct phy_device *phydev = mdp->phydev;
         int new_state = 0;
 
-        if (phydev->link != PHY_DOWN) {
+        if (phydev->link) {
                 if (phydev->duplex != mdp->duplex) {
                         new_state = 1;
                         mdp->duplex = phydev->duplex;
@@ -1387,17 +1391,21 @@ static void sh_eth_adjust_link(struct net_device *ndev)
                         if (mdp->cd->set_rate)
                                 mdp->cd->set_rate(ndev);
                 }
-                if (mdp->link == PHY_DOWN) {
+                if (!mdp->link) {
                         sh_eth_write(ndev,
                                 (sh_eth_read(ndev, ECMR) & ~ECMR_TXF), ECMR);
                         new_state = 1;
                         mdp->link = phydev->link;
+                        if (mdp->cd->no_psr || mdp->no_ether_link)
+                                sh_eth_rcv_snd_enable(ndev);
                 }
         } else if (mdp->link) {
                 new_state = 1;
-                mdp->link = PHY_DOWN;
+                mdp->link = 0;
                 mdp->speed = 0;
                 mdp->duplex = -1;
+                if (mdp->cd->no_psr || mdp->no_ether_link)
+                        sh_eth_rcv_snd_disable(ndev);
         }
 
         if (new_state && netif_msg_link(mdp))
@@ -1414,7 +1422,7 @@ static int sh_eth_phy_init(struct net_device *ndev)
         snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT,
                 mdp->mii_bus->id , mdp->phy_id);
 
-        mdp->link = PHY_DOWN;
+        mdp->link = 0;
         mdp->speed = 0;
         mdp->duplex = -1;
 
diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h
index e6655678458e..828be4515008 100644
--- a/drivers/net/ethernet/renesas/sh_eth.h
+++ b/drivers/net/ethernet/renesas/sh_eth.h
@@ -723,7 +723,7 @@ struct sh_eth_private {
         u32 phy_id;                                     /* PHY ID */
         struct mii_bus *mii_bus;        /* MDIO bus control */
         struct phy_device *phydev;      /* PHY device control */
-        enum phy_state link;
+        int link;
         phy_interface_t phy_interface;
         int msg_enable;
         int speed;
diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
index 0c74a702d461..50617c5a0bdb 100644
--- a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
@@ -149,6 +149,7 @@ void dwmac_mmc_intr_all_mask(void __iomem *ioaddr)
 {
         writel(MMC_DEFAULT_MASK, ioaddr + MMC_RX_INTR_MASK);
         writel(MMC_DEFAULT_MASK, ioaddr + MMC_TX_INTR_MASK);
+        writel(MMC_DEFAULT_MASK, ioaddr + MMC_RX_IPC_INTR_MASK);
 }
 
 /* This reads the MAC core counters (if actaully supported).
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index df32a090d08e..4781d3d8e182 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -436,7 +436,7 @@ void cpsw_tx_handler(void *token, int len, int status)
          * queue is stopped then start the queue as we have free desc for tx
          */
         if (unlikely(netif_queue_stopped(ndev)))
-                netif_start_queue(ndev);
+                netif_wake_queue(ndev);
         cpts_tx_timestamp(priv->cpts, skb);
         priv->stats.tx_packets++;
         priv->stats.tx_bytes += len;
@@ -1380,7 +1380,7 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data,
                         memcpy(slave_data->mac_addr, mac_addr, ETH_ALEN);
 
                 if (data->dual_emac) {
-                        if (of_property_read_u32(node, "dual_emac_res_vlan",
+                        if (of_property_read_u32(slave_node, "dual_emac_res_vlan",
                                                  &prop)) {
                                 pr_err("Missing dual_emac_res_vlan in DT.\n");
                                 slave_data->dual_emac_res_vlan = i+1;
diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c
index ae1b77aa199f..72300bc9e378 100644
--- a/drivers/net/ethernet/ti/davinci_emac.c
+++ b/drivers/net/ethernet/ti/davinci_emac.c
@@ -1053,7 +1053,7 @@ static void emac_tx_handler(void *token, int len, int status)
          * queue is stopped then start the queue as we have free desc for tx
          */
         if (unlikely(netif_queue_stopped(ndev)))
-                netif_start_queue(ndev);
+                netif_wake_queue(ndev);
         ndev->stats.tx_packets++;
         ndev->stats.tx_bytes += len;
         dev_kfree_skb_any(skb);
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 1cd77483da50..f5f0f09e4cc5 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -470,8 +470,10 @@ static void netvsc_send_completion(struct hv_device *device,
                         packet->trans_id;
 
                 /* Notify the layer above us */
-                nvsc_packet->completion.send.send_completion(
-                        nvsc_packet->completion.send.send_completion_ctx);
+                if (nvsc_packet)
+                        nvsc_packet->completion.send.send_completion(
+                                nvsc_packet->completion.send.
+                                send_completion_ctx);
 
                 num_outstanding_sends =
                         atomic_dec_return(&net_device->num_outstanding_sends);
@@ -498,6 +500,7 @@ int netvsc_send(struct hv_device *device,
         int ret = 0;
         struct nvsp_message sendMessage;
         struct net_device *ndev;
+        u64 req_id;
 
         net_device = get_outbound_net_device(device);
         if (!net_device)
@@ -518,20 +521,24 @@ int netvsc_send(struct hv_device *device,
                 0xFFFFFFFF;
         sendMessage.msg.v1_msg.send_rndis_pkt.send_buf_section_size = 0;
 
+        if (packet->completion.send.send_completion)
+                req_id = (u64)packet;
+        else
+                req_id = 0;
+
         if (packet->page_buf_cnt) {
                 ret = vmbus_sendpacket_pagebuffer(device->channel,
                                                   packet->page_buf,
                                                   packet->page_buf_cnt,
                                                   &sendMessage,
                                                   sizeof(struct nvsp_message),
-                                                  (unsigned long)packet);
+                                                  req_id);
         } else {
                 ret = vmbus_sendpacket(device->channel, &sendMessage,
                                 sizeof(struct nvsp_message),
-                                (unsigned long)packet,
+                                req_id,
                                 VM_PKT_DATA_INBAND,
                                 VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
-
         }
 
         if (ret == 0) {
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 5f85205cd12b..8341b62e5521 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -241,13 +241,11 @@ void netvsc_linkstatus_callback(struct hv_device *device_obj,
 
         if (status == 1) {
                 netif_carrier_on(net);
-                netif_wake_queue(net);
                 ndev_ctx = netdev_priv(net);
                 schedule_delayed_work(&ndev_ctx->dwork, 0);
                 schedule_delayed_work(&ndev_ctx->dwork, msecs_to_jiffies(20));
         } else {
                 netif_carrier_off(net);
-                netif_tx_disable(net);
         }
 }
 
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
index 2b657d4d63a8..0775f0aefd1e 100644
--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c
@@ -61,9 +61,6 @@ struct rndis_request {
 
 static void rndis_filter_send_completion(void *ctx);
 
-static void rndis_filter_send_request_completion(void *ctx);
-
-
 
 static struct rndis_device *get_rndis_device(void)
 {
@@ -241,10 +238,7 @@ static int rndis_filter_send_request(struct rndis_device *dev,
                         packet->page_buf[0].len;
         }
 
-        packet->completion.send.send_completion_ctx = req;/* packet; */
-        packet->completion.send.send_completion =
-                rndis_filter_send_request_completion;
-        packet->completion.send.send_completion_tid = (unsigned long)dev;
+        packet->completion.send.send_completion = NULL;
 
         ret = netvsc_send(dev->net_dev->dev, packet);
         return ret;
@@ -999,9 +993,3 @@ static void rndis_filter_send_completion(void *ctx)
         /* Pass it back to the original handler */
         filter_pkt->completion(filter_pkt->completion_ctx);
 }
-
-
-static void rndis_filter_send_request_completion(void *ctx)
-{
-        /* Noop */
-}
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index b7c457adc0dc..729ed533bb33 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1594,7 +1594,7 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
 
                 if (tun->flags & TUN_TAP_MQ &&
                     (tun->numqueues + tun->numdisabled > 1))
-                        return err;
+                        return -EBUSY;
         }
         else {
                 char *name;
diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c
index 16c842997291..6bd91676d2cb 100644
--- a/drivers/net/usb/cdc_mbim.c
+++ b/drivers/net/usb/cdc_mbim.c
@@ -134,7 +134,7 @@ static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb
                 goto error;
 
         if (skb) {
-                if (skb->len <= sizeof(ETH_HLEN))
+                if (skb->len <= ETH_HLEN)
                         goto error;
 
                 /* mapping VLANs to MBIM sessions:
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 968d5d50751d..2a3579f67910 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -13,6 +13,7 @@
 #include <linux/module.h>
 #include <linux/netdevice.h>
 #include <linux/ethtool.h>
+#include <linux/etherdevice.h>
 #include <linux/mii.h>
 #include <linux/usb.h>
 #include <linux/usb/cdc.h>
@@ -52,6 +53,96 @@ struct qmi_wwan_state {
         struct usb_interface *data;
 };
 
+/* default ethernet address used by the modem */
+static const u8 default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3};
+
+/* Make up an ethernet header if the packet doesn't have one.
+ *
+ * A firmware bug common among several devices cause them to send raw
+ * IP packets under some circumstances.  There is no way for the
+ * driver/host to know when this will happen.  And even when the bug
+ * hits, some packets will still arrive with an intact header.
+ *
+ * The supported devices are only capably of sending IPv4, IPv6 and
+ * ARP packets on a point-to-point link. Any packet with an ethernet
+ * header will have either our address or a broadcast/multicast
+ * address as destination.  ARP packets will always have a header.
+ *
+ * This means that this function will reliably add the appropriate
+ * header iff necessary, provided our hardware address does not start
+ * with 4 or 6.
+ *
+ * Another common firmware bug results in all packets being addressed
+ * to 00:a0:c6:00:00:00 despite the host address being different.
+ * This function will also fixup such packets.
+ */
+static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
+{
+        __be16 proto;
+
+        /* usbnet rx_complete guarantees that skb->len is at least
+         * hard_header_len, so we can inspect the dest address without
+         * checking skb->len
+         */
+        switch (skb->data[0] & 0xf0) {
+        case 0x40:
+                proto = htons(ETH_P_IP);
+                break;
+        case 0x60:
+                proto = htons(ETH_P_IPV6);
+                break;
+        case 0x00:
+                if (is_multicast_ether_addr(skb->data))
+                        return 1;
+                /* possibly bogus destination - rewrite just in case */
+                skb_reset_mac_header(skb);
+                goto fix_dest;
+        default:
+                /* pass along other packets without modifications */
+                return 1;
+        }
+        if (skb_headroom(skb) < ETH_HLEN)
+                return 0;
+        skb_push(skb, ETH_HLEN);
+        skb_reset_mac_header(skb);
+        eth_hdr(skb)->h_proto = proto;
+        memset(eth_hdr(skb)->h_source, 0, ETH_ALEN);
+fix_dest:
+        memcpy(eth_hdr(skb)->h_dest, dev->net->dev_addr, ETH_ALEN);
+        return 1;
+}
+
+/* very simplistic detection of IPv4 or IPv6 headers */
+static bool possibly_iphdr(const char *data)
+{
+        return (data[0] & 0xd0) == 0x40;
+}
+
+/* disallow addresses which may be confused with IP headers */
+static int qmi_wwan_mac_addr(struct net_device *dev, void *p)
+{
+        int ret;
+        struct sockaddr *addr = p;
+
+        ret = eth_prepare_mac_addr_change(dev, p);
+        if (ret < 0)
+                return ret;
+        if (possibly_iphdr(addr->sa_data))
+                return -EADDRNOTAVAIL;
+        eth_commit_mac_addr_change(dev, p);
+        return 0;
+}
+
+static const struct net_device_ops qmi_wwan_netdev_ops = {
+        .ndo_open               = usbnet_open,
+        .ndo_stop               = usbnet_stop,
+        .ndo_start_xmit         = usbnet_start_xmit,
+        .ndo_tx_timeout         = usbnet_tx_timeout,
+        .ndo_change_mtu         = usbnet_change_mtu,
+        .ndo_set_mac_address    = qmi_wwan_mac_addr,
+        .ndo_validate_addr      = eth_validate_addr,
+};
+
 /* using a counter to merge subdriver requests with our own into a combined state */
 static int qmi_wwan_manage_power(struct usbnet *dev, int on)
 {
@@ -229,6 +320,18 @@ next_desc:
                 usb_driver_release_interface(driver, info->data);
         }
 
+        /* Never use the same address on both ends of the link, even
+         * if the buggy firmware told us to.
+         */
+        if (!compare_ether_addr(dev->net->dev_addr, default_modem_addr))
+                eth_hw_addr_random(dev->net);
+
+        /* make MAC addr easily distinguishable from an IP header */
+        if (possibly_iphdr(dev->net->dev_addr)) {
+                dev->net->dev_addr[0] |= 0x02;  /* set local assignment bit */
+                dev->net->dev_addr[0] &= 0xbf;  /* clear "IP" bit */
+        }
+        dev->net->netdev_ops = &qmi_wwan_netdev_ops;
 err:
         return status;
 }
@@ -307,6 +410,7 @@ static const struct driver_info	qmi_wwan_info = {
         .bind           = qmi_wwan_bind,
         .unbind         = qmi_wwan_unbind,
         .manage_power   = qmi_wwan_manage_power,
+        .rx_fixup       = qmi_wwan_rx_fixup,
 };
 
 #define HUAWEI_VENDOR_ID        0x12D1
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 9abe51710f22..1a15ec14c386 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -914,8 +914,12 @@ static int smsc75xx_set_rx_max_frame_length(struct usbnet *dev, int size)
 static int smsc75xx_change_mtu(struct net_device *netdev, int new_mtu)
 {
         struct usbnet *dev = netdev_priv(netdev);
+        int ret;
+
+        if (new_mtu > MAX_SINGLE_PACKET_SIZE)
+                return -EINVAL;
 
-        int ret = smsc75xx_set_rx_max_frame_length(dev, new_mtu);
+        ret = smsc75xx_set_rx_max_frame_length(dev, new_mtu + ETH_HLEN);
         if (ret < 0) {
                 netdev_warn(dev->net, "Failed to set mac rx frame length\n");
                 return ret;
@@ -1324,7 +1328,7 @@ static int smsc75xx_reset(struct usbnet *dev)
 
         netif_dbg(dev, ifup, dev->net, "FCT_TX_CTL set to 0x%08x\n", buf);
 
-        ret = smsc75xx_set_rx_max_frame_length(dev, 1514);
+        ret = smsc75xx_set_rx_max_frame_length(dev, dev->net->mtu + ETH_HLEN);
         if (ret < 0) {
                 netdev_warn(dev->net, "Failed to set max rx frame length\n");
                 return ret;
@@ -2134,8 +2138,8 @@ static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
                         else if (rx_cmd_a & (RX_CMD_A_LONG | RX_CMD_A_RUNT))
                                 dev->net->stats.rx_frame_errors++;
                 } else {
-                        /* ETH_FRAME_LEN + 4(CRC) + 2(COE) + 4(Vlan) */
-                        if (unlikely(size > (ETH_FRAME_LEN + 12))) {
+                        /* MAX_SINGLE_PACKET_SIZE + 4(CRC) + 2(COE) + 4(Vlan) */
+                        if (unlikely(size > (MAX_SINGLE_PACKET_SIZE + ETH_HLEN + 12))) {
                                 netif_dbg(dev, rx_err, dev->net,
                                           "size err rx_cmd_a=0x%08x\n",
                                           rx_cmd_a);
diff --git a/drivers/net/wireless/ath/ath9k/ar9580_1p0_initvals.h b/drivers/net/wireless/ath/ath9k/ar9580_1p0_initvals.h
index 28fd99203f64..bdee2ed67219 100644
--- a/drivers/net/wireless/ath/ath9k/ar9580_1p0_initvals.h
+++ b/drivers/net/wireless/ath/ath9k/ar9580_1p0_initvals.h
@@ -519,7 +519,7 @@ static const u32 ar9580_1p0_mac_core[][2] = {
         {0x00008258, 0x00000000},
         {0x0000825c, 0x40000000},
         {0x00008260, 0x00080922},
-        {0x00008264, 0x9bc00010},
+        {0x00008264, 0x9d400010},
         {0x00008268, 0xffffffff},
         {0x0000826c, 0x0000ffff},
         {0x00008270, 0x00000000},
diff --git a/drivers/net/wireless/ath/ath9k/dfs_pattern_detector.c b/drivers/net/wireless/ath/ath9k/dfs_pattern_detector.c
index 467b60014b7b..73fe8d6db566 100644
--- a/drivers/net/wireless/ath/ath9k/dfs_pattern_detector.c
+++ b/drivers/net/wireless/ath/ath9k/dfs_pattern_detector.c
@@ -143,14 +143,14 @@ channel_detector_create(struct dfs_pattern_detector *dpd, u16 freq)
         u32 sz, i;
         struct channel_detector *cd;
 
-        cd = kmalloc(sizeof(*cd), GFP_KERNEL);
+        cd = kmalloc(sizeof(*cd), GFP_ATOMIC);
         if (cd == NULL)
                 goto fail;
 
         INIT_LIST_HEAD(&cd->head);
         cd->freq = freq;
         sz = sizeof(cd->detectors) * dpd->num_radar_types;
-        cd->detectors = kzalloc(sz, GFP_KERNEL);
+        cd->detectors = kzalloc(sz, GFP_ATOMIC);
         if (cd->detectors == NULL)
                 goto fail;
 
diff --git a/drivers/net/wireless/ath/ath9k/dfs_pri_detector.c b/drivers/net/wireless/ath/ath9k/dfs_pri_detector.c
index 91b8dceeadb1..5e48c5515b8c 100644
--- a/drivers/net/wireless/ath/ath9k/dfs_pri_detector.c
+++ b/drivers/net/wireless/ath/ath9k/dfs_pri_detector.c
@@ -218,7 +218,7 @@ static bool pulse_queue_enqueue(struct pri_detector *pde, u64 ts)
 {
         struct pulse_elem *p = pool_get_pulse_elem();
         if (p == NULL) {
-                p = kmalloc(sizeof(*p), GFP_KERNEL);
+                p = kmalloc(sizeof(*p), GFP_ATOMIC);
                 if (p == NULL) {
                         DFS_POOL_STAT_INC(pulse_alloc_error);
                         return false;
@@ -299,7 +299,7 @@ static bool pseq_handler_create_sequences(struct pri_detector *pde,
                 ps.deadline_ts = ps.first_ts + ps.dur;
                 new_ps = pool_get_pseq_elem();
                 if (new_ps == NULL) {
-                        new_ps = kmalloc(sizeof(*new_ps), GFP_KERNEL);
+                        new_ps = kmalloc(sizeof(*new_ps), GFP_ATOMIC);
                         if (new_ps == NULL) {
                                 DFS_POOL_STAT_INC(pseq_alloc_error);
                                 return false;
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index 716058b67557..a47f5e05fc04 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -796,7 +796,7 @@ static int ath9k_init_firmware_version(struct ath9k_htc_priv *priv)
          * required version.
          */
         if (priv->fw_version_major != MAJOR_VERSION_REQ ||
-            priv->fw_version_minor != MINOR_VERSION_REQ) {
+            priv->fw_version_minor < MINOR_VERSION_REQ) {
                 dev_err(priv->dev, "ath9k_htc: Please upgrade to FW version %d.%d\n",
                         MAJOR_VERSION_REQ, MINOR_VERSION_REQ);
                 return -EINVAL;
diff --git a/drivers/net/wireless/ath/ath9k/link.c b/drivers/net/wireless/ath/ath9k/link.c
index 39c84ecf6a42..7fdac6c7b3ea 100644
--- a/drivers/net/wireless/ath/ath9k/link.c
+++ b/drivers/net/wireless/ath/ath9k/link.c
@@ -170,7 +170,8 @@ void ath_rx_poll(unsigned long data)
 {
         struct ath_softc *sc = (struct ath_softc *)data;
 
-        ieee80211_queue_work(sc->hw, &sc->hw_check_work);
+        if (!test_bit(SC_OP_INVALID, &sc->sc_flags))
+                ieee80211_queue_work(sc->hw, &sc->hw_check_work);
 }
 
 /*
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 6e66f9c6782b..988372d218a4 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -280,6 +280,10 @@ static int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan)
         if (r) {
                 ath_err(common,
                         "Unable to reset channel, reset status %d\n", r);
+
+                ath9k_hw_enable_interrupts(ah);
+                ath9k_queue_reset(sc, RESET_TYPE_BB_HANG);
+
                 goto out;
         }
 
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 38bc5a7997ff..122146943bf2 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -1487,8 +1487,12 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
         const struct b43_dma_ops *ops;
         struct b43_dmaring *ring;
         struct b43_dmadesc_meta *meta;
+        static const struct b43_txstatus fake; /* filled with 0 */
+        const struct b43_txstatus *txstat;
         int slot, firstused;
         bool frame_succeed;
+        int skip;
+        static u8 err_out1, err_out2;
 
         ring = parse_cookie(dev, status->cookie, &slot);
         if (unlikely(!ring))
@@ -1501,13 +1505,36 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
         firstused = ring->current_slot - ring->used_slots + 1;
         if (firstused < 0)
                 firstused = ring->nr_slots + firstused;
+
+        skip = 0;
         if (unlikely(slot != firstused)) {
                 /* This possibly is a firmware bug and will result in
-                 * malfunction, memory leaks and/or stall of DMA functionality. */
-                b43dbg(dev->wl, "Out of order TX status report on DMA ring %d. "
-                       "Expected %d, but got %d\n",
-                       ring->index, firstused, slot);
-                return;
+                 * malfunction, memory leaks and/or stall of DMA functionality.
+                 */
+                if (slot == next_slot(ring, next_slot(ring, firstused))) {
+                        /* If a single header/data pair was missed, skip over
+                         * the first two slots in an attempt to recover.
+                         */
+                        slot = firstused;
+                        skip = 2;
+                        if (!err_out1) {
+                                /* Report the error once. */
+                                b43dbg(dev->wl,
+                                       "Skip on DMA ring %d slot %d.\n",
+                                       ring->index, slot);
+                                err_out1 = 1;
+                        }
+                } else {
+                        /* More than a single header/data pair were missed.
+                         * Report this error once.
+                         */
+                        if (!err_out2)
+                                b43dbg(dev->wl,
+                                       "Out of order TX status report on DMA ring %d. Expected %d, but got %d\n",
+                                       ring->index, firstused, slot);
+                        err_out2 = 1;
+                        return;
+                }
         }
 
         ops = ring->ops;
@@ -1522,11 +1549,13 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
                                slot, firstused, ring->index);
                         break;
                 }
+
                 if (meta->skb) {
                         struct b43_private_tx_info *priv_info =
-                                b43_get_priv_tx_info(IEEE80211_SKB_CB(meta->skb));
+                             b43_get_priv_tx_info(IEEE80211_SKB_CB(meta->skb));
 
-                        unmap_descbuffer(ring, meta->dmaaddr, meta->skb->len, 1);
+                        unmap_descbuffer(ring, meta->dmaaddr,
+                                         meta->skb->len, 1);
                         kfree(priv_info->bouncebuffer);
                         priv_info->bouncebuffer = NULL;
                 } else {
@@ -1538,8 +1567,9 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
                         struct ieee80211_tx_info *info;
 
                         if (unlikely(!meta->skb)) {
-                                /* This is a scatter-gather fragment of a frame, so
-                                 * the skb pointer must not be NULL. */
+                                /* This is a scatter-gather fragment of a frame,
+                                 * so the skb pointer must not be NULL.
+                                 */
                                 b43dbg(dev->wl, "TX status unexpected NULL skb "
                                        "at slot %d (first=%d) on ring %d\n",
                                        slot, firstused, ring->index);
@@ -1550,9 +1580,18 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
 
                         /*
                          * Call back to inform the ieee80211 subsystem about
-                         * the status of the transmission.
+                         * the status of the transmission. When skipping over
+                         * a missed TX status report, use a status structure
+                         * filled with zeros to indicate that the frame was not
+                         * sent (frame_count 0) and not acknowledged
                          */
-                        frame_succeed = b43_fill_txstatus_report(dev, info, status);
+                        if (unlikely(skip))
+                                txstat = &fake;
+                        else
+                                txstat = status;
+
+                        frame_succeed = b43_fill_txstatus_report(dev, info,
+                                                                 txstat);
 #ifdef CONFIG_B43_DEBUG
                         if (frame_succeed)
                                 ring->nr_succeed_tx_packets++;
@@ -1580,12 +1619,14 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
                 /* Everything unmapped and free'd. So it's not used anymore. */
                 ring->used_slots--;
 
-                if (meta->is_last_fragment) {
+                if (meta->is_last_fragment && !skip) {
                         /* This is the last scatter-gather
                          * fragment of the frame. We are done. */
                         break;
                 }
                 slot = next_slot(ring, slot);
+                if (skip > 0)
+                        --skip;
         }
         if (ring->stopped) {
                 B43_WARN_ON(free_slots(ring) < TX_SLOTS_PER_FRAME);
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index 3c35382ee6c2..b70f220bc4b3 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -1564,7 +1564,7 @@ static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
         u16 clip_off[2] = { 0xFFFF, 0xFFFF };
 
         u8 vcm_final = 0;
-        s8 offset[4];
+        s32 offset[4];
         s32 results[8][4] = { };
         s32 results_min[4] = { };
         s32 poll_results[4] = { };
@@ -1615,7 +1615,7 @@ static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
                 }
                 for (i = 0; i < 4; i += 2) {
                         s32 curr;
-                        s32 mind = 40;
+                        s32 mind = 0x100000;
                         s32 minpoll = 249;
                         u8 minvcm = 0;
                         if (2 * core != i)
@@ -1732,7 +1732,7 @@ static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
         u8 regs_save_radio[2];
         u16 regs_save_phy[2];
 
-        s8 offset[4];
+        s32 offset[4];
         u8 core;
         u8 rail;
 
@@ -1799,7 +1799,7 @@ static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
         }
 
         for (i = 0; i < 4; i++) {
-                s32 mind = 40;
+                s32 mind = 0x100000;
                 u8 minvcm = 0;
                 s32 minpoll = 249;
                 s32 curr;
@@ -5165,7 +5165,8 @@ static void b43_nphy_pmu_spur_avoid(struct b43_wldev *dev, bool avoid)
 #endif
 #ifdef CONFIG_B43_SSB
         case B43_BUS_SSB:
-                /* FIXME */
+                ssb_pmu_spuravoid_pllupdate(&dev->dev->sdev->bus->chipco,
+                                            avoid);
                 break;
 #endif
         }
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
index 4469321c0eb3..35fc68be158d 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
@@ -3317,15 +3317,15 @@ static int _brcmf_sdbrcm_download_firmware(struct brcmf_sdio *bus)
                 goto err;
         }
 
-        /* External image takes precedence if specified */
         if (brcmf_sdbrcm_download_code_file(bus)) {
                 brcmf_err("dongle image file download failed\n");
                 goto err;
         }
 
-        /* External nvram takes precedence if specified */
-        if (brcmf_sdbrcm_download_nvram(bus))
+        if (brcmf_sdbrcm_download_nvram(bus)) {
                 brcmf_err("dongle nvram file download failed\n");
+                goto err;
+        }
 
         /* Take arm out of reset */
         if (brcmf_sdbrcm_download_state(bus, false)) {
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index 2af9c0f0798d..78da3eff75e8 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -1891,8 +1891,10 @@ static s32
 brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
               u8 key_idx, const u8 *mac_addr, struct key_params *params)
 {
+        struct brcmf_if *ifp = netdev_priv(ndev);
         struct brcmf_wsec_key key;
         s32 err = 0;
+        u8 keybuf[8];
 
         memset(&key, 0, sizeof(key));
         key.index = (u32) key_idx;
@@ -1916,8 +1918,9 @@ brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
                 brcmf_dbg(CONN, "Setting the key index %d\n", key.index);
                 memcpy(key.data, params->key, key.len);
 
-                if (params->cipher == WLAN_CIPHER_SUITE_TKIP) {
-                        u8 keybuf[8];
+                if ((ifp->vif->mode != WL_MODE_AP) &&
+                    (params->cipher == WLAN_CIPHER_SUITE_TKIP)) {
+                        brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
                         memcpy(keybuf, &key.data[24], sizeof(keybuf));
                         memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
                         memcpy(&key.data[16], keybuf, sizeof(keybuf));
@@ -2013,7 +2016,7 @@ brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
                 break;
         case WLAN_CIPHER_SUITE_TKIP:
                 if (ifp->vif->mode != WL_MODE_AP) {
-                        brcmf_dbg(CONN, "Swapping key\n");
+                        brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
                         memcpy(keybuf, &key.data[24], sizeof(keybuf));
                         memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
                         memcpy(&key.data[16], keybuf, sizeof(keybuf));
@@ -2118,8 +2121,7 @@ brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
                 err = -EAGAIN;
                 goto done;
         }
-        switch (wsec & ~SES_OW_ENABLED) {
-        case WEP_ENABLED:
+        if (wsec & WEP_ENABLED) {
                 sec = &profile->sec;
                 if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
                         params.cipher = WLAN_CIPHER_SUITE_WEP40;
@@ -2128,16 +2130,13 @@ brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
                         params.cipher = WLAN_CIPHER_SUITE_WEP104;
                         brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
                 }
-                break;
-        case TKIP_ENABLED:
+        } else if (wsec & TKIP_ENABLED) {
                 params.cipher = WLAN_CIPHER_SUITE_TKIP;
                 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
-                break;
-        case AES_ENABLED:
+        } else if (wsec & AES_ENABLED) {
                 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
                 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
-                break;
-        default:
+        } else  {
                 brcmf_err("Invalid algo (0x%x)\n", wsec);
                 err = -EINVAL;
                 goto done;
@@ -3824,8 +3823,9 @@ exit:
 static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
 {
         struct brcmf_if *ifp = netdev_priv(ndev);
-        s32 err = -EPERM;
+        s32 err;
         struct brcmf_fil_bss_enable_le bss_enable;
+        struct brcmf_join_params join_params;
 
         brcmf_dbg(TRACE, "Enter\n");
 
@@ -3833,16 +3833,21 @@ static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
                 /* Due to most likely deauths outstanding we sleep */
                 /* first to make sure they get processed by fw. */
                 msleep(400);
-                err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
-                if (err < 0) {
-                        brcmf_err("setting AP mode failed %d\n", err);
-                        goto exit;
-                }
+
+                memset(&join_params, 0, sizeof(join_params));
+                err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
+                                             &join_params, sizeof(join_params));
+                if (err < 0)
+                        brcmf_err("SET SSID error (%d)\n", err);
                 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
-                if (err < 0) {
+                if (err < 0)
                         brcmf_err("BRCMF_C_UP error %d\n", err);
-                        goto exit;
-                }
+                err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
+                if (err < 0)
+                        brcmf_err("setting AP mode failed %d\n", err);
+                err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0);
+                if (err < 0)
+                        brcmf_err("setting INFRA mode failed %d\n", err);
         } else {
                 bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
                 bss_enable.enable = cpu_to_le32(0);
@@ -3855,7 +3860,6 @@ static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
         set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
         clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
 
-exit:
         return err;
 }
 
@@ -4124,10 +4128,6 @@ static const struct ieee80211_iface_limit brcmf_iface_limits[] = {
         },
         {
                 .max = 1,
-                .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
-        },
-        {
-                .max = 1,
                 .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
                          BIT(NL80211_IFTYPE_P2P_GO)
         },
@@ -4183,8 +4183,7 @@ static struct wiphy *brcmf_setup_wiphy(struct device *phydev)
                                  BIT(NL80211_IFTYPE_ADHOC) |
                                  BIT(NL80211_IFTYPE_AP) |
                                  BIT(NL80211_IFTYPE_P2P_CLIENT) |
-                                 BIT(NL80211_IFTYPE_P2P_GO) |
-                                 BIT(NL80211_IFTYPE_P2P_DEVICE);
+                                 BIT(NL80211_IFTYPE_P2P_GO);
         wiphy->iface_combinations = brcmf_iface_combos;
         wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos);
         wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz;
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
index c6451c61407a..e2340b231aa1 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
@@ -274,6 +274,130 @@ static void brcms_set_basic_rate(struct brcm_rateset *rs, u16 rate, bool is_br)
         }
 }
 
+/**
+ * This function frees the WL per-device resources.
+ *
+ * This function frees resources owned by the WL device pointed to
+ * by the wl parameter.
+ *
+ * precondition: can both be called locked and unlocked
+ *
+ */
+static void brcms_free(struct brcms_info *wl)
+{
+        struct brcms_timer *t, *next;
+
+        /* free ucode data */
+        if (wl->fw.fw_cnt)
+                brcms_ucode_data_free(&wl->ucode);
+        if (wl->irq)
+                free_irq(wl->irq, wl);
+
+        /* kill dpc */
+        tasklet_kill(&wl->tasklet);
+
+        if (wl->pub) {
+                brcms_debugfs_detach(wl->pub);
+                brcms_c_module_unregister(wl->pub, "linux", wl);
+        }
+
+        /* free common resources */
+        if (wl->wlc) {
+                brcms_c_detach(wl->wlc);
+                wl->wlc = NULL;
+                wl->pub = NULL;
+        }
+
+        /* virtual interface deletion is deferred so we cannot spinwait */
+
+        /* wait for all pending callbacks to complete */
+        while (atomic_read(&wl->callbacks) > 0)
+                schedule();
+
+        /* free timers */
+        for (t = wl->timers; t; t = next) {
+                next = t->next;
+#ifdef DEBUG
+                kfree(t->name);
+#endif
+                kfree(t);
+        }
+}
+
+/*
+* called from both kernel as from this kernel module (error flow on attach)
+* precondition: perimeter lock is not acquired.
+*/
+static void brcms_remove(struct bcma_device *pdev)
+{
+        struct ieee80211_hw *hw = bcma_get_drvdata(pdev);
+        struct brcms_info *wl = hw->priv;
+
+        if (wl->wlc) {
+                wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false);
+                wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
+                ieee80211_unregister_hw(hw);
+        }
+
+        brcms_free(wl);
+
+        bcma_set_drvdata(pdev, NULL);
+        ieee80211_free_hw(hw);
+}
+
+/*
+ * Precondition: Since this function is called in brcms_pci_probe() context,
+ * no locking is required.
+ */
+static void brcms_release_fw(struct brcms_info *wl)
+{
+        int i;
+        for (i = 0; i < MAX_FW_IMAGES; i++) {
+                release_firmware(wl->fw.fw_bin[i]);
+                release_firmware(wl->fw.fw_hdr[i]);
+        }
+}
+
+/*
+ * Precondition: Since this function is called in brcms_pci_probe() context,
+ * no locking is required.
+ */
+static int brcms_request_fw(struct brcms_info *wl, struct bcma_device *pdev)
+{
+        int status;
+        struct device *device = &pdev->dev;
+        char fw_name[100];
+        int i;
+
+        memset(&wl->fw, 0, sizeof(struct brcms_firmware));
+        for (i = 0; i < MAX_FW_IMAGES; i++) {
+                if (brcms_firmwares[i] == NULL)
+                        break;
+                sprintf(fw_name, "%s-%d.fw", brcms_firmwares[i],
+                        UCODE_LOADER_API_VER);
+                status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
+                if (status) {
+                        wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
+                                  KBUILD_MODNAME, fw_name);
+                        return status;
+                }
+                sprintf(fw_name, "%s_hdr-%d.fw", brcms_firmwares[i],
+                        UCODE_LOADER_API_VER);
+                status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
+                if (status) {
+                        wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
+                                  KBUILD_MODNAME, fw_name);
+                        return status;
+                }
+                wl->fw.hdr_num_entries[i] =
+                    wl->fw.fw_hdr[i]->size / (sizeof(struct firmware_hdr));
+        }
+        wl->fw.fw_cnt = i;
+        status = brcms_ucode_data_init(wl, &wl->ucode);
+        brcms_release_fw(wl);
+        return status;
+}
+
 static void brcms_ops_tx(struct ieee80211_hw *hw,
                          struct ieee80211_tx_control *control,
                          struct sk_buff *skb)
@@ -306,6 +430,14 @@ static int brcms_ops_start(struct ieee80211_hw *hw)
         if (!blocked)
                 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
 
+        if (!wl->ucode.bcm43xx_bomminor) {
+                err = brcms_request_fw(wl, wl->wlc->hw->d11core);
+                if (err) {
+                        brcms_remove(wl->wlc->hw->d11core);
+                        return -ENOENT;
+                }
+        }
+
         spin_lock_bh(&wl->lock);
         /* avoid acknowledging frames before a non-monitor device is added */
         wl->mute_tx = true;
@@ -793,128 +925,6 @@ void brcms_dpc(unsigned long data)
         wake_up(&wl->tx_flush_wq);
 }
 
-/*
- * Precondition: Since this function is called in brcms_pci_probe() context,
- * no locking is required.
- */
-static int brcms_request_fw(struct brcms_info *wl, struct bcma_device *pdev)
-{
-        int status;
-        struct device *device = &pdev->dev;
-        char fw_name[100];
-        int i;
-
-        memset(&wl->fw, 0, sizeof(struct brcms_firmware));
-        for (i = 0; i < MAX_FW_IMAGES; i++) {
-                if (brcms_firmwares[i] == NULL)
-                        break;
-                sprintf(fw_name, "%s-%d.fw", brcms_firmwares[i],
-                        UCODE_LOADER_API_VER);
-                status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
-                if (status) {
-                        wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
-                                  KBUILD_MODNAME, fw_name);
-                        return status;
-                }
-                sprintf(fw_name, "%s_hdr-%d.fw", brcms_firmwares[i],
-                        UCODE_LOADER_API_VER);
-                status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
-                if (status) {
-                        wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
-                                  KBUILD_MODNAME, fw_name);
-                        return status;
-                }
-                wl->fw.hdr_num_entries[i] =
-                    wl->fw.fw_hdr[i]->size / (sizeof(struct firmware_hdr));
-        }
-        wl->fw.fw_cnt = i;
-        return brcms_ucode_data_init(wl, &wl->ucode);
-}
-
-/*
- * Precondition: Since this function is called in brcms_pci_probe() context,
- * no locking is required.
- */
-static void brcms_release_fw(struct brcms_info *wl)
-{
-        int i;
-        for (i = 0; i < MAX_FW_IMAGES; i++) {
-                release_firmware(wl->fw.fw_bin[i]);
-                release_firmware(wl->fw.fw_hdr[i]);
-        }
-}
-
-/**
- * This function frees the WL per-device resources.
- *
- * This function frees resources owned by the WL device pointed to
- * by the wl parameter.
- *
- * precondition: can both be called locked and unlocked
- *
- */
-static void brcms_free(struct brcms_info *wl)
-{
-        struct brcms_timer *t, *next;
-
-        /* free ucode data */
-        if (wl->fw.fw_cnt)
-                brcms_ucode_data_free(&wl->ucode);
-        if (wl->irq)
-                free_irq(wl->irq, wl);
-
-        /* kill dpc */
-        tasklet_kill(&wl->tasklet);
-
-        if (wl->pub) {
-                brcms_debugfs_detach(wl->pub);
-                brcms_c_module_unregister(wl->pub, "linux", wl);
-        }
-
-        /* free common resources */
-        if (wl->wlc) {
-                brcms_c_detach(wl->wlc);
-                wl->wlc = NULL;
-                wl->pub = NULL;
-        }
-
-        /* virtual interface deletion is deferred so we cannot spinwait */
-
-        /* wait for all pending callbacks to complete */
-        while (atomic_read(&wl->callbacks) > 0)
-                schedule();
-
-        /* free timers */
-        for (t = wl->timers; t; t = next) {
-                next = t->next;
-#ifdef DEBUG
-                kfree(t->name);
-#endif
-                kfree(t);
-        }
-}
-
-/*
-* called from both kernel as from this kernel module (error flow on attach)
-* precondition: perimeter lock is not acquired.
-*/
-static void brcms_remove(struct bcma_device *pdev)
-{
-        struct ieee80211_hw *hw = bcma_get_drvdata(pdev);
-        struct brcms_info *wl = hw->priv;
-
-        if (wl->wlc) {
-                wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false);
-                wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
-                ieee80211_unregister_hw(hw);
-        }
-
-        brcms_free(wl);
-
-        bcma_set_drvdata(pdev, NULL);
-        ieee80211_free_hw(hw);
-}
-
 static irqreturn_t brcms_isr(int irq, void *dev_id)
 {
         struct brcms_info *wl;
@@ -1047,18 +1057,8 @@ static struct brcms_info *brcms_attach(struct bcma_device *pdev)
         spin_lock_init(&wl->lock);
         spin_lock_init(&wl->isr_lock);
 
-        /* prepare ucode */
-        if (brcms_request_fw(wl, pdev) < 0) {
-                wiphy_err(wl->wiphy, "%s: Failed to find firmware usually in "
-                          "%s\n", KBUILD_MODNAME, "/lib/firmware/brcm");
-                brcms_release_fw(wl);
-                brcms_remove(pdev);
-                return NULL;
-        }
-
         /* common load-time initialization */
         wl->wlc = brcms_c_attach((void *)wl, pdev, unit, false, &err);
-        brcms_release_fw(wl);
         if (!wl->wlc) {
                 wiphy_err(wl->wiphy, "%s: attach() failed with code %d\n",
                           KBUILD_MODNAME, err);
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c
index 21a824232478..18d37645e2cd 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c
@@ -1137,9 +1137,8 @@ wlc_lcnphy_set_rx_gain_by_distribution(struct brcms_phy *pi,
         gain0_15 = ((biq1 & 0xf) << 12) |
                    ((tia & 0xf) << 8) |
                    ((lna2 & 0x3) << 6) |
-                   ((lna2 & 0x3) << 4) |
-                   ((lna1 & 0x3) << 2) |
-                   ((lna1 & 0x3) << 0);
+                   ((lna2 &
+                     0x3) << 4) | ((lna1 & 0x3) << 2) | ((lna1 & 0x3) << 0);
 
         mod_phy_reg(pi, 0x4b6, (0xffff << 0), gain0_15 << 0);
         mod_phy_reg(pi, 0x4b7, (0xf << 0), gain16_19 << 0);
@@ -1157,8 +1156,6 @@ wlc_lcnphy_set_rx_gain_by_distribution(struct brcms_phy *pi,
         }
 
         mod_phy_reg(pi, 0x44d, (0x1 << 0), (!trsw) << 0);
-        mod_phy_reg(pi, 0x4b1, (0x3 << 11), lna1 << 11);
-        mod_phy_reg(pi, 0x4e6, (0x3 << 3), lna1 << 3);
 
 }
 
@@ -1331,43 +1328,6 @@ static u32 wlc_lcnphy_measure_digital_power(struct brcms_phy *pi, u16 nsamples)
         return (iq_est.i_pwr + iq_est.q_pwr) / nsamples;
 }
 
-static bool wlc_lcnphy_rx_iq_cal_gain(struct brcms_phy *pi, u16 biq1_gain,
-                                      u16 tia_gain, u16 lna2_gain)
-{
-        u32 i_thresh_l, q_thresh_l;
-        u32 i_thresh_h, q_thresh_h;
-        struct lcnphy_iq_est iq_est_h, iq_est_l;
-
-        wlc_lcnphy_set_rx_gain_by_distribution(pi, 0, 0, 0, biq1_gain, tia_gain,
-                                               lna2_gain, 0);
-
-        wlc_lcnphy_rx_gain_override_enable(pi, true);
-        wlc_lcnphy_start_tx_tone(pi, 2000, (40 >> 1), 0);
-        udelay(500);
-        write_radio_reg(pi, RADIO_2064_REG112, 0);
-        if (!wlc_lcnphy_rx_iq_est(pi, 1024, 32, &iq_est_l))
-                return false;
-
-        wlc_lcnphy_start_tx_tone(pi, 2000, 40, 0);
-        udelay(500);
-        write_radio_reg(pi, RADIO_2064_REG112, 0);
-        if (!wlc_lcnphy_rx_iq_est(pi, 1024, 32, &iq_est_h))
-                return false;
-
-        i_thresh_l = (iq_est_l.i_pwr << 1);
-        i_thresh_h = (iq_est_l.i_pwr << 2) + iq_est_l.i_pwr;
-
-        q_thresh_l = (iq_est_l.q_pwr << 1);
-        q_thresh_h = (iq_est_l.q_pwr << 2) + iq_est_l.q_pwr;
-        if ((iq_est_h.i_pwr > i_thresh_l) &&
-            (iq_est_h.i_pwr < i_thresh_h) &&
-            (iq_est_h.q_pwr > q_thresh_l) &&
-            (iq_est_h.q_pwr < q_thresh_h))
-                return true;
-
-        return false;
-}
-
 static bool
 wlc_lcnphy_rx_iq_cal(struct brcms_phy *pi,
                      const struct lcnphy_rx_iqcomp *iqcomp,
@@ -1382,8 +1342,8 @@ wlc_lcnphy_rx_iq_cal(struct brcms_phy *pi,
             RFOverrideVal0_old, rfoverride2_old, rfoverride2val_old,
             rfoverride3_old, rfoverride3val_old, rfoverride4_old,
             rfoverride4val_old, afectrlovr_old, afectrlovrval_old;
-        int tia_gain, lna2_gain, biq1_gain;
-        bool set_gain;
+        int tia_gain;
+        u32 received_power, rx_pwr_threshold;
         u16 old_sslpnCalibClkEnCtrl, old_sslpnRxFeClkEnCtrl;
         u16 values_to_save[11];
         s16 *ptr;
@@ -1408,134 +1368,126 @@ wlc_lcnphy_rx_iq_cal(struct brcms_phy *pi,
                 goto cal_done;
         }
 
-        WARN_ON(module != 1);
-        tx_pwr_ctrl = wlc_lcnphy_get_tx_pwr_ctrl(pi);
-        wlc_lcnphy_set_tx_pwr_ctrl(pi, LCNPHY_TX_PWR_CTRL_OFF);
-
-        for (i = 0; i < 11; i++)
-                values_to_save[i] =
-                        read_radio_reg(pi, rxiq_cal_rf_reg[i]);
-        Core1TxControl_old = read_phy_reg(pi, 0x631);
-
-        or_phy_reg(pi, 0x631, 0x0015);
-
-        RFOverride0_old = read_phy_reg(pi, 0x44c);
-        RFOverrideVal0_old = read_phy_reg(pi, 0x44d);
-        rfoverride2_old = read_phy_reg(pi, 0x4b0);
-        rfoverride2val_old = read_phy_reg(pi, 0x4b1);
-        rfoverride3_old = read_phy_reg(pi, 0x4f9);
-        rfoverride3val_old = read_phy_reg(pi, 0x4fa);
-        rfoverride4_old = read_phy_reg(pi, 0x938);
-        rfoverride4val_old = read_phy_reg(pi, 0x939);
-        afectrlovr_old = read_phy_reg(pi, 0x43b);
-        afectrlovrval_old = read_phy_reg(pi, 0x43c);
-        old_sslpnCalibClkEnCtrl = read_phy_reg(pi, 0x6da);
-        old_sslpnRxFeClkEnCtrl = read_phy_reg(pi, 0x6db);
-
-        tx_gain_override_old = wlc_lcnphy_tx_gain_override_enabled(pi);
-        if (tx_gain_override_old) {
-                wlc_lcnphy_get_tx_gain(pi, &old_gains);
-                tx_gain_index_old = pi_lcn->lcnphy_current_index;
-        }
-
-        wlc_lcnphy_set_tx_pwr_by_index(pi, tx_gain_idx);
+        if (module == 1) {
 
-        mod_phy_reg(pi, 0x4f9, (0x1 << 0), 1 << 0);
-        mod_phy_reg(pi, 0x4fa, (0x1 << 0), 0 << 0);
+                tx_pwr_ctrl = wlc_lcnphy_get_tx_pwr_ctrl(pi);
+                wlc_lcnphy_set_tx_pwr_ctrl(pi, LCNPHY_TX_PWR_CTRL_OFF);
 
-        mod_phy_reg(pi, 0x43b, (0x1 << 1), 1 << 1);
-        mod_phy_reg(pi, 0x43c, (0x1 << 1), 0 << 1);
+                for (i = 0; i < 11; i++)
+                        values_to_save[i] =
+                                read_radio_reg(pi, rxiq_cal_rf_reg[i]);
+                Core1TxControl_old = read_phy_reg(pi, 0x631);
+
+                or_phy_reg(pi, 0x631, 0x0015);
+
+                RFOverride0_old = read_phy_reg(pi, 0x44c);
+                RFOverrideVal0_old = read_phy_reg(pi, 0x44d);
+                rfoverride2_old = read_phy_reg(pi, 0x4b0);
+                rfoverride2val_old = read_phy_reg(pi, 0x4b1);
+                rfoverride3_old = read_phy_reg(pi, 0x4f9);
+                rfoverride3val_old = read_phy_reg(pi, 0x4fa);
+                rfoverride4_old = read_phy_reg(pi, 0x938);
+                rfoverride4val_old = read_phy_reg(pi, 0x939);
+                afectrlovr_old = read_phy_reg(pi, 0x43b);
+                afectrlovrval_old = read_phy_reg(pi, 0x43c);
+                old_sslpnCalibClkEnCtrl = read_phy_reg(pi, 0x6da);
+                old_sslpnRxFeClkEnCtrl = read_phy_reg(pi, 0x6db);
+
+                tx_gain_override_old = wlc_lcnphy_tx_gain_override_enabled(pi);
+                if (tx_gain_override_old) {
+                        wlc_lcnphy_get_tx_gain(pi, &old_gains);
+                        tx_gain_index_old = pi_lcn->lcnphy_current_index;
+                }
 
-        write_radio_reg(pi, RADIO_2064_REG116, 0x06);
-        write_radio_reg(pi, RADIO_2064_REG12C, 0x07);
-        write_radio_reg(pi, RADIO_2064_REG06A, 0xd3);
-        write_radio_reg(pi, RADIO_2064_REG098, 0x03);
-        write_radio_reg(pi, RADIO_2064_REG00B, 0x7);
-        mod_radio_reg(pi, RADIO_2064_REG113, 1 << 4, 1 << 4);
-        write_radio_reg(pi, RADIO_2064_REG01D, 0x01);
-        write_radio_reg(pi, RADIO_2064_REG114, 0x01);
-        write_radio_reg(pi, RADIO_2064_REG02E, 0x10);
-        write_radio_reg(pi, RADIO_2064_REG12A, 0x08);
-
-        mod_phy_reg(pi, 0x938, (0x1 << 0), 1 << 0);
-        mod_phy_reg(pi, 0x939, (0x1 << 0), 0 << 0);
-        mod_phy_reg(pi, 0x938, (0x1 << 1), 1 << 1);
-        mod_phy_reg(pi, 0x939, (0x1 << 1), 1 << 1);
-        mod_phy_reg(pi, 0x938, (0x1 << 2), 1 << 2);
-        mod_phy_reg(pi, 0x939, (0x1 << 2), 1 << 2);
-        mod_phy_reg(pi, 0x938, (0x1 << 3), 1 << 3);
-        mod_phy_reg(pi, 0x939, (0x1 << 3), 1 << 3);
-        mod_phy_reg(pi, 0x938, (0x1 << 5), 1 << 5);
-        mod_phy_reg(pi, 0x939, (0x1 << 5), 0 << 5);
+                wlc_lcnphy_set_tx_pwr_by_index(pi, tx_gain_idx);
 
-        mod_phy_reg(pi, 0x43b, (0x1 << 0), 1 << 0);
-        mod_phy_reg(pi, 0x43c, (0x1 << 0), 0 << 0);
+                mod_phy_reg(pi, 0x4f9, (0x1 << 0), 1 << 0);
+                mod_phy_reg(pi, 0x4fa, (0x1 << 0), 0 << 0);
 
-        write_phy_reg(pi, 0x6da, 0xffff);
-        or_phy_reg(pi, 0x6db, 0x3);
+                mod_phy_reg(pi, 0x43b, (0x1 << 1), 1 << 1);
+                mod_phy_reg(pi, 0x43c, (0x1 << 1), 0 << 1);
 
-        wlc_lcnphy_set_trsw_override(pi, tx_switch, rx_switch);
-        set_gain = false;
-
-        lna2_gain = 3;
-        while ((lna2_gain >= 0) && !set_gain) {
-                tia_gain = 4;
-
-                while ((tia_gain >= 0) && !set_gain) {
-                        biq1_gain = 6;
-
-                        while ((biq1_gain >= 0) && !set_gain) {
-                                set_gain = wlc_lcnphy_rx_iq_cal_gain(pi,
-                                                                     (u16)
-                                                                     biq1_gain,
-                                                                     (u16)
-                                                                     tia_gain,
-                                                                     (u16)
-                                                                     lna2_gain);
-                                biq1_gain -= 1;
-                        }
+                write_radio_reg(pi, RADIO_2064_REG116, 0x06);
+                write_radio_reg(pi, RADIO_2064_REG12C, 0x07);
+                write_radio_reg(pi, RADIO_2064_REG06A, 0xd3);
+                write_radio_reg(pi, RADIO_2064_REG098, 0x03);
+                write_radio_reg(pi, RADIO_2064_REG00B, 0x7);
+                mod_radio_reg(pi, RADIO_2064_REG113, 1 << 4, 1 << 4);
+                write_radio_reg(pi, RADIO_2064_REG01D, 0x01);
+                write_radio_reg(pi, RADIO_2064_REG114, 0x01);
+                write_radio_reg(pi, RADIO_2064_REG02E, 0x10);
+                write_radio_reg(pi, RADIO_2064_REG12A, 0x08);
+
+                mod_phy_reg(pi, 0x938, (0x1 << 0), 1 << 0);
+                mod_phy_reg(pi, 0x939, (0x1 << 0), 0 << 0);
+                mod_phy_reg(pi, 0x938, (0x1 << 1), 1 << 1);
+                mod_phy_reg(pi, 0x939, (0x1 << 1), 1 << 1);
+                mod_phy_reg(pi, 0x938, (0x1 << 2), 1 << 2);
+                mod_phy_reg(pi, 0x939, (0x1 << 2), 1 << 2);
+                mod_phy_reg(pi, 0x938, (0x1 << 3), 1 << 3);
+                mod_phy_reg(pi, 0x939, (0x1 << 3), 1 << 3);
+                mod_phy_reg(pi, 0x938, (0x1 << 5), 1 << 5);
+                mod_phy_reg(pi, 0x939, (0x1 << 5), 0 << 5);
+
+                mod_phy_reg(pi, 0x43b, (0x1 << 0), 1 << 0);
+                mod_phy_reg(pi, 0x43c, (0x1 << 0), 0 << 0);
+
+                wlc_lcnphy_start_tx_tone(pi, 2000, 120, 0);
+                write_phy_reg(pi, 0x6da, 0xffff);
+                or_phy_reg(pi, 0x6db, 0x3);
+                wlc_lcnphy_set_trsw_override(pi, tx_switch, rx_switch);
+                wlc_lcnphy_rx_gain_override_enable(pi, true);
+
+                tia_gain = 8;
+                rx_pwr_threshold = 950;
+                while (tia_gain > 0) {
                         tia_gain -= 1;
+                        wlc_lcnphy_set_rx_gain_by_distribution(pi,
+                                                               0, 0, 2, 2,
+                                                               (u16)
+                                                               tia_gain, 1, 0);
+                        udelay(500);
+
+                        received_power =
+                                wlc_lcnphy_measure_digital_power(pi, 2000);
+                        if (received_power < rx_pwr_threshold)
+                                break;
                 }
-                lna2_gain -= 1;
-        }
+                result = wlc_lcnphy_calc_rx_iq_comp(pi, 0xffff);
 
-        if (set_gain)
-                result = wlc_lcnphy_calc_rx_iq_comp(pi, 1024);
-        else
-                result = false;
+                wlc_lcnphy_stop_tx_tone(pi);
 
-        wlc_lcnphy_stop_tx_tone(pi);
+                write_phy_reg(pi, 0x631, Core1TxControl_old);
 
-        write_phy_reg(pi, 0x631, Core1TxControl_old);
-
-        write_phy_reg(pi, 0x44c, RFOverrideVal0_old);
-        write_phy_reg(pi, 0x44d, RFOverrideVal0_old);
-        write_phy_reg(pi, 0x4b0, rfoverride2_old);
-        write_phy_reg(pi, 0x4b1, rfoverride2val_old);
-        write_phy_reg(pi, 0x4f9, rfoverride3_old);
-        write_phy_reg(pi, 0x4fa, rfoverride3val_old);
-        write_phy_reg(pi, 0x938, rfoverride4_old);
-        write_phy_reg(pi, 0x939, rfoverride4val_old);
-        write_phy_reg(pi, 0x43b, afectrlovr_old);
-        write_phy_reg(pi, 0x43c, afectrlovrval_old);
-        write_phy_reg(pi, 0x6da, old_sslpnCalibClkEnCtrl);
-        write_phy_reg(pi, 0x6db, old_sslpnRxFeClkEnCtrl);
+                write_phy_reg(pi, 0x44c, RFOverrideVal0_old);
+                write_phy_reg(pi, 0x44d, RFOverrideVal0_old);
+                write_phy_reg(pi, 0x4b0, rfoverride2_old);
+                write_phy_reg(pi, 0x4b1, rfoverride2val_old);
+                write_phy_reg(pi, 0x4f9, rfoverride3_old);
+                write_phy_reg(pi, 0x4fa, rfoverride3val_old);
+                write_phy_reg(pi, 0x938, rfoverride4_old);
+                write_phy_reg(pi, 0x939, rfoverride4val_old);
+                write_phy_reg(pi, 0x43b, afectrlovr_old);
+                write_phy_reg(pi, 0x43c, afectrlovrval_old);
+                write_phy_reg(pi, 0x6da, old_sslpnCalibClkEnCtrl);
+                write_phy_reg(pi, 0x6db, old_sslpnRxFeClkEnCtrl);
 
-        wlc_lcnphy_clear_trsw_override(pi);
+                wlc_lcnphy_clear_trsw_override(pi);
 
-        mod_phy_reg(pi, 0x44c, (0x1 << 2), 0 << 2);
+                mod_phy_reg(pi, 0x44c, (0x1 << 2), 0 << 2);
 
-        for (i = 0; i < 11; i++)
-                write_radio_reg(pi, rxiq_cal_rf_reg[i],
-                                values_to_save[i]);
+                for (i = 0; i < 11; i++)
+                        write_radio_reg(pi, rxiq_cal_rf_reg[i],
+                                        values_to_save[i]);
 
-        if (tx_gain_override_old)
-                wlc_lcnphy_set_tx_pwr_by_index(pi, tx_gain_index_old);
-        else
-                wlc_lcnphy_disable_tx_gain_override(pi);
+                if (tx_gain_override_old)
+                        wlc_lcnphy_set_tx_pwr_by_index(pi, tx_gain_index_old);
+                else
+                        wlc_lcnphy_disable_tx_gain_override(pi);
 
-        wlc_lcnphy_set_tx_pwr_ctrl(pi, tx_pwr_ctrl);
-        wlc_lcnphy_rx_gain_override_enable(pi, false);
+                wlc_lcnphy_set_tx_pwr_ctrl(pi, tx_pwr_ctrl);
+                wlc_lcnphy_rx_gain_override_enable(pi, false);
+        }
 
 cal_done:
         kfree(ptr);
@@ -1829,17 +1781,6 @@ wlc_lcnphy_radio_2064_channel_tune_4313(struct brcms_phy *pi, u8 channel)
                 write_radio_reg(pi, RADIO_2064_REG038, 3);
                 write_radio_reg(pi, RADIO_2064_REG091, 7);
         }
-
-        if (!(pi->sh->boardflags & BFL_FEM)) {
-                u8 reg038[14] = {0xd, 0xe, 0xd, 0xd, 0xd, 0xc,
-                        0xa, 0xb, 0xb, 0x3, 0x3, 0x2, 0x0, 0x0};
-
-                write_radio_reg(pi, RADIO_2064_REG02A, 0xf);
-                write_radio_reg(pi, RADIO_2064_REG091, 0x3);
-                write_radio_reg(pi, RADIO_2064_REG038, 0x3);
-
-                write_radio_reg(pi, RADIO_2064_REG038, reg038[channel - 1]);
-        }
 }
 
 static int
@@ -2034,16 +1975,6 @@ wlc_lcnphy_set_tssi_mux(struct brcms_phy *pi, enum lcnphy_tssi_mode pos)
                 } else {
                         mod_radio_reg(pi, RADIO_2064_REG03A, 1, 0x1);
                         mod_radio_reg(pi, RADIO_2064_REG11A, 0x8, 0x8);
-                        mod_radio_reg(pi, RADIO_2064_REG028, 0x1, 0x0);
-                        mod_radio_reg(pi, RADIO_2064_REG11A, 0x4, 1<<2);
-                        mod_radio_reg(pi, RADIO_2064_REG036, 0x10, 0x0);
-                        mod_radio_reg(pi, RADIO_2064_REG11A, 0x10, 1<<4);
-                        mod_radio_reg(pi, RADIO_2064_REG036, 0x3, 0x0);
-                        mod_radio_reg(pi, RADIO_2064_REG035, 0xff, 0x77);
-                        mod_radio_reg(pi, RADIO_2064_REG028, 0x1e, 0xe<<1);
-                        mod_radio_reg(pi, RADIO_2064_REG112, 0x80, 1<<7);
-                        mod_radio_reg(pi, RADIO_2064_REG005, 0x7, 1<<1);
-                        mod_radio_reg(pi, RADIO_2064_REG029, 0xf0, 0<<4);
                 }
         } else {
                 mod_phy_reg(pi, 0x4d9, (0x1 << 2), (0x1) << 2);
@@ -2130,14 +2061,12 @@ static void wlc_lcnphy_pwrctrl_rssiparams(struct brcms_phy *pi)
                     (auxpga_vmid_temp << 0) | (auxpga_gain_temp << 12));
 
         mod_radio_reg(pi, RADIO_2064_REG082, (1 << 5), (1 << 5));
-        mod_radio_reg(pi, RADIO_2064_REG07C, (1 << 0), (1 << 0));
 }
 
 static void wlc_lcnphy_tssi_setup(struct brcms_phy *pi)
 {
         struct phytbl_info tab;
         u32 rfseq, ind;
-        u8 tssi_sel;
 
         tab.tbl_id = LCNPHY_TBL_ID_TXPWRCTL;
         tab.tbl_width = 32;
@@ -2159,13 +2088,7 @@ static void wlc_lcnphy_tssi_setup(struct brcms_phy *pi)
 
         mod_phy_reg(pi, 0x503, (0x1 << 4), (1) << 4);
 
-        if (pi->sh->boardflags & BFL_FEM) {
-                tssi_sel = 0x1;
-                wlc_lcnphy_set_tssi_mux(pi, LCNPHY_TSSI_EXT);
-        } else {
-                tssi_sel = 0xe;
-                wlc_lcnphy_set_tssi_mux(pi, LCNPHY_TSSI_POST_PA);
-        }
+        wlc_lcnphy_set_tssi_mux(pi, LCNPHY_TSSI_EXT);
         mod_phy_reg(pi, 0x4a4, (0x1 << 14), (0) << 14);
 
         mod_phy_reg(pi, 0x4a4, (0x1 << 15), (1) << 15);
@@ -2201,10 +2124,9 @@ static void wlc_lcnphy_tssi_setup(struct brcms_phy *pi)
         mod_phy_reg(pi, 0x49a, (0x1ff << 0), (0xff) << 0);
 
         if (LCNREV_IS(pi->pubpi.phy_rev, 2)) {
-                mod_radio_reg(pi, RADIO_2064_REG028, 0xf, tssi_sel);
+                mod_radio_reg(pi, RADIO_2064_REG028, 0xf, 0xe);
                 mod_radio_reg(pi, RADIO_2064_REG086, 0x4, 0x4);
         } else {
-                mod_radio_reg(pi, RADIO_2064_REG028, 0x1e, tssi_sel << 1);
                 mod_radio_reg(pi, RADIO_2064_REG03A, 0x1, 1);
                 mod_radio_reg(pi, RADIO_2064_REG11A, 0x8, 1 << 3);
         }
@@ -2251,10 +2173,6 @@ static void wlc_lcnphy_tssi_setup(struct brcms_phy *pi)
 
         mod_phy_reg(pi, 0x4d7, (0xf << 8), (0) << 8);
 
-        mod_radio_reg(pi, RADIO_2064_REG035, 0xff, 0x0);
-        mod_radio_reg(pi, RADIO_2064_REG036, 0x3, 0x0);
-        mod_radio_reg(pi, RADIO_2064_REG11A, 0x8, 0x8);
-
         wlc_lcnphy_pwrctrl_rssiparams(pi);
 }
 
@@ -2873,8 +2791,6 @@ static void wlc_lcnphy_idle_tssi_est(struct brcms_phy_pub *ppi)
                 read_radio_reg(pi, RADIO_2064_REG007) & 1;
         u16 SAVE_jtag_auxpga = read_radio_reg(pi, RADIO_2064_REG0FF) & 0x10;
         u16 SAVE_iqadc_aux_en = read_radio_reg(pi, RADIO_2064_REG11F) & 4;
-        u8 SAVE_bbmult = wlc_lcnphy_get_bbmult(pi);
-
         idleTssi = read_phy_reg(pi, 0x4ab);
         suspend = (0 == (bcma_read32(pi->d11core, D11REGOFFS(maccontrol)) &
                          MCTL_EN_MAC));
@@ -2892,12 +2808,6 @@ static void wlc_lcnphy_idle_tssi_est(struct brcms_phy_pub *ppi)
         mod_radio_reg(pi, RADIO_2064_REG0FF, 0x10, 1 << 4);
         mod_radio_reg(pi, RADIO_2064_REG11F, 0x4, 1 << 2);
         wlc_lcnphy_tssi_setup(pi);
-
-        mod_phy_reg(pi, 0x4d7, (0x1 << 0), (1 << 0));
-        mod_phy_reg(pi, 0x4d7, (0x1 << 6), (1 << 6));
-
-        wlc_lcnphy_set_bbmult(pi, 0x0);
-
         wlc_phy_do_dummy_tx(pi, true, OFF);
         idleTssi = ((read_phy_reg(pi, 0x4ab) & (0x1ff << 0))
                     >> 0);
@@ -2919,7 +2829,6 @@ static void wlc_lcnphy_idle_tssi_est(struct brcms_phy_pub *ppi)
 
         mod_phy_reg(pi, 0x44c, (0x1 << 12), (0) << 12);
 
-        wlc_lcnphy_set_bbmult(pi, SAVE_bbmult);
         wlc_lcnphy_set_tx_gain_override(pi, tx_gain_override_old);
         wlc_lcnphy_set_tx_gain(pi, &old_gains);
         wlc_lcnphy_set_tx_pwr_ctrl(pi, SAVE_txpwrctrl);
@@ -3133,11 +3042,6 @@ static void wlc_lcnphy_tx_pwr_ctrl_init(struct brcms_phy_pub *ppi)
                         wlc_lcnphy_write_table(pi, &tab);
                         tab.tbl_offset++;
                 }
-                mod_phy_reg(pi, 0x4d0, (0x1 << 0), (0) << 0);
-                mod_phy_reg(pi, 0x4d3, (0xff << 0), (0) << 0);
-                mod_phy_reg(pi, 0x4d3, (0xff << 8), (0) << 8);
-                mod_phy_reg(pi, 0x4d0, (0x1 << 4), (0) << 4);
-                mod_phy_reg(pi, 0x4d0, (0x1 << 2), (0) << 2);
 
                 mod_phy_reg(pi, 0x410, (0x1 << 7), (0) << 7);
 
@@ -3939,6 +3843,7 @@ static void wlc_lcnphy_txpwrtbl_iqlo_cal(struct brcms_phy *pi)
         target_gains.pad_gain = 21;
         target_gains.dac_gain = 0;
         wlc_lcnphy_set_tx_gain(pi, &target_gains);
+        wlc_lcnphy_set_tx_pwr_by_index(pi, 16);
 
         if (LCNREV_IS(pi->pubpi.phy_rev, 1) || pi_lcn->lcnphy_hw_iqcal_en) {
 
@@ -3949,7 +3854,6 @@ static void wlc_lcnphy_txpwrtbl_iqlo_cal(struct brcms_phy *pi)
                                         lcnphy_recal ? LCNPHY_CAL_RECAL :
                                         LCNPHY_CAL_FULL), false);
         } else {
-                wlc_lcnphy_set_tx_pwr_by_index(pi, 16);
                 wlc_lcnphy_tx_iqlo_soft_cal_full(pi);
         }
 
@@ -4374,22 +4278,17 @@ wlc_lcnphy_load_tx_gain_table(struct brcms_phy *pi,
         if (CHSPEC_IS5G(pi->radio_chanspec))
                 pa_gain = 0x70;
         else
-                pa_gain = 0x60;
+                pa_gain = 0x70;
 
         if (pi->sh->boardflags & BFL_FEM)
                 pa_gain = 0x10;
-
         tab.tbl_id = LCNPHY_TBL_ID_TXPWRCTL;
         tab.tbl_width = 32;
         tab.tbl_len = 1;
         tab.tbl_ptr = &val;
 
         for (j = 0; j < 128; j++) {
-                if (pi->sh->boardflags & BFL_FEM)
-                        gm_gain = gain_table[j].gm;
-                else
-                        gm_gain = 15;
-
+                gm_gain = gain_table[j].gm;
                 val = (((u32) pa_gain << 24) |
                        (gain_table[j].pad << 16) |
                        (gain_table[j].pga << 8) | gm_gain);
@@ -4600,10 +4499,7 @@ static void wlc_radio_2064_init(struct brcms_phy *pi)
 
         write_phy_reg(pi, 0x4ea, 0x4688);
 
-        if (pi->sh->boardflags & BFL_FEM)
-                mod_phy_reg(pi, 0x4eb, (0x7 << 0), 2 << 0);
-        else
-                mod_phy_reg(pi, 0x4eb, (0x7 << 0), 3 << 0);
+        mod_phy_reg(pi, 0x4eb, (0x7 << 0), 2 << 0);
 
         mod_phy_reg(pi, 0x4eb, (0x7 << 6), 0 << 6);
 
@@ -4614,13 +4510,6 @@ static void wlc_radio_2064_init(struct brcms_phy *pi)
         wlc_lcnphy_rcal(pi);
 
         wlc_lcnphy_rc_cal(pi);
-
-        if (!(pi->sh->boardflags & BFL_FEM)) {
-                write_radio_reg(pi, RADIO_2064_REG032, 0x6f);
-                write_radio_reg(pi, RADIO_2064_REG033, 0x19);
-                write_radio_reg(pi, RADIO_2064_REG039, 0xe);
-        }
-
 }
 
 static void wlc_lcnphy_radio_init(struct brcms_phy *pi)
@@ -4650,20 +4539,22 @@ static void wlc_lcnphy_tbl_init(struct brcms_phy *pi)
                 wlc_lcnphy_write_table(pi, &tab);
         }
 
-        if (!(pi->sh->boardflags & BFL_FEM)) {
-                tab.tbl_id = LCNPHY_TBL_ID_RFSEQ;
-                tab.tbl_width = 16;
-                tab.tbl_ptr = &val;
-                tab.tbl_len = 1;
+        tab.tbl_id = LCNPHY_TBL_ID_RFSEQ;
+        tab.tbl_width = 16;
+        tab.tbl_ptr = &val;
+        tab.tbl_len = 1;
 
-                val = 150;
-                tab.tbl_offset = 0;
-                wlc_lcnphy_write_table(pi, &tab);
+        val = 114;
+        tab.tbl_offset = 0;
+        wlc_lcnphy_write_table(pi, &tab);
 
-                val = 220;
-                tab.tbl_offset = 1;
-                wlc_lcnphy_write_table(pi, &tab);
-        }
+        val = 130;
+        tab.tbl_offset = 1;
+        wlc_lcnphy_write_table(pi, &tab);
+
+        val = 6;
+        tab.tbl_offset = 8;
+        wlc_lcnphy_write_table(pi, &tab);
 
         if (CHSPEC_IS2G(pi->radio_chanspec)) {
                 if (pi->sh->boardflags & BFL_FEM)
@@ -5055,7 +4946,6 @@ void wlc_phy_chanspec_set_lcnphy(struct brcms_phy *pi, u16 chanspec)
                 wlc_lcnphy_load_tx_iir_filter(pi, true, 3);
 
         mod_phy_reg(pi, 0x4eb, (0x7 << 3), (1) << 3);
-        wlc_lcnphy_tssi_setup(pi);
 }
 
 void wlc_phy_detach_lcnphy(struct brcms_phy *pi)
@@ -5094,7 +4984,8 @@ bool wlc_phy_attach_lcnphy(struct brcms_phy *pi)
         if (!wlc_phy_txpwr_srom_read_lcnphy(pi))
                 return false;
 
-        if (LCNREV_IS(pi->pubpi.phy_rev, 1)) {
+        if ((pi->sh->boardflags & BFL_FEM) &&
+            (LCNREV_IS(pi->pubpi.phy_rev, 1))) {
                 if (pi_lcn->lcnphy_tempsense_option == 3) {
                         pi->hwpwrctrl = true;
                         pi->hwpwrctrl_capable = true;
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_lcn.c b/drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_lcn.c
index b7e95acc2084..622c01ca72c5 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_lcn.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_lcn.c
@@ -1992,70 +1992,70 @@ static const u16 dot11lcn_sw_ctrl_tbl_4313_epa_rev0[] = {
 };
 
 static const u16 dot11lcn_sw_ctrl_tbl_4313_rev0[] = {
-        0x0009,
         0x000a,
-        0x0005,
-        0x0006,
         0x0009,
-        0x000a,
-        0x0005,
         0x0006,
-        0x0009,
-        0x000a,
         0x0005,
-        0x0006,
-        0x0009,
         0x000a,
-        0x0005,
-        0x0006,
         0x0009,
-        0x000a,
-        0x0005,
         0x0006,
-        0x0009,
-        0x000a,
         0x0005,
-        0x0006,
-        0x0009,
         0x000a,
-        0x0005,
-        0x0006,
         0x0009,
-        0x000a,
-        0x0005,
         0x0006,
-        0x0009,
-        0x000a,
         0x0005,
-        0x0006,
-        0x0009,
         0x000a,
-        0x0005,
-        0x0006,
         0x0009,
-        0x000a,
-        0x0005,
         0x0006,
-        0x0009,
-        0x000a,
         0x0005,
-        0x0006,
+        0x000a,
         0x0009,
+        0x0006,
+        0x0005,
         0x000a,
+        0x0009,
+        0x0006,
         0x0005,
+        0x000a,
+        0x0009,
         0x0006,
+        0x0005,
+        0x000a,
         0x0009,
+        0x0006,
+        0x0005,
         0x000a,
+        0x0009,
+        0x0006,
         0x0005,
+        0x000a,
+        0x0009,
         0x0006,
+        0x0005,
+        0x000a,
         0x0009,
+        0x0006,
+        0x0005,
         0x000a,
+        0x0009,
+        0x0006,
         0x0005,
+        0x000a,
+        0x0009,
         0x0006,
+        0x0005,
+        0x000a,
         0x0009,
+        0x0006,
+        0x0005,
         0x000a,
+        0x0009,
+        0x0006,
         0x0005,
+        0x000a,
+        0x0009,
         0x0006,
+        0x0005,
 };
 
 static const u16 dot11lcn_sw_ctrl_tbl_rev0[] = {
diff --git a/drivers/net/wireless/iwlegacy/4965-rs.c b/drivers/net/wireless/iwlegacy/4965-rs.c
index e8324b5e5bfe..6c7493c2d698 100644
--- a/drivers/net/wireless/iwlegacy/4965-rs.c
+++ b/drivers/net/wireless/iwlegacy/4965-rs.c
@@ -2152,7 +2152,7 @@ il4965_rs_initialize_lq(struct il_priv *il, struct ieee80211_conf *conf,
         int rate_idx;
         int i;
         u32 rate;
-        u8 use_green = il4965_rs_use_green(il, sta);
+        u8 use_green;
         u8 active_tbl = 0;
         u8 valid_tx_ant;
         struct il_station_priv *sta_priv;
@@ -2160,6 +2160,7 @@ il4965_rs_initialize_lq(struct il_priv *il, struct ieee80211_conf *conf,
         if (!sta || !lq_sta)
                 return;
 
+        use_green = il4965_rs_use_green(il, sta);
         sta_priv = (void *)sta->drv_priv;
 
         i = lq_sta->last_txrate_idx;
diff --git a/drivers/net/wireless/iwlwifi/dvm/lib.c b/drivers/net/wireless/iwlwifi/dvm/lib.c
index 86ea5f4c3939..44ca0e57f9f7 100644
--- a/drivers/net/wireless/iwlwifi/dvm/lib.c
+++ b/drivers/net/wireless/iwlwifi/dvm/lib.c
@@ -1262,6 +1262,15 @@ int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
         }
 
         /*
+         * This can happen upon FW ASSERT: we clear the STATUS_FW_ERROR flag
+         * in iwl_down but cancel the workers only later.
+         */
+        if (!priv->ucode_loaded) {
+                IWL_ERR(priv, "Fw not loaded - dropping CMD: %x\n", cmd->id);
+                return -EIO;
+        }
+
+        /*
          * Synchronous commands from this op-mode must hold
          * the mutex, this ensures we don't try to send two
          * (or more) synchronous commands at a time.
diff --git a/drivers/net/wireless/iwlwifi/dvm/rxon.c b/drivers/net/wireless/iwlwifi/dvm/rxon.c
index 23be948cf162..a82b6b39d4ff 100644
--- a/drivers/net/wireless/iwlwifi/dvm/rxon.c
+++ b/drivers/net/wireless/iwlwifi/dvm/rxon.c
@@ -1419,6 +1419,14 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
 
         mutex_lock(&priv->mutex);
 
+        if (changes & BSS_CHANGED_IDLE && bss_conf->idle) {
+                /*
+                 * If we go idle, then clearly no "passive-no-rx"
+                 * workaround is needed any more, this is a reset.
+                 */
+                iwlagn_lift_passive_no_rx(priv);
+        }
+
         if (unlikely(!iwl_is_ready(priv))) {
                 IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
                 mutex_unlock(&priv->mutex);
@@ -1450,16 +1458,6 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
                         priv->timestamp = bss_conf->sync_tsf;
                         ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
                 } else {
-                        /*
-                         * If we disassociate while there are pending
-                         * frames, just wake up the queues and let the
-                         * frames "escape" ... This shouldn't really
-                         * be happening to start with, but we should
-                         * not get stuck in this case either since it
-                         * can happen if userspace gets confused.
-                         */
-                        iwlagn_lift_passive_no_rx(priv);
-
                         ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
 
                         if (ctx->ctxid == IWL_RXON_CTX_BSS)
diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c
index 6aec2df3bb27..d1a670d7b10c 100644
--- a/drivers/net/wireless/iwlwifi/dvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/dvm/tx.c
@@ -1192,7 +1192,7 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
                         memset(&info->status, 0, sizeof(info->status));
 
                         if (status == TX_STATUS_FAIL_PASSIVE_NO_RX &&
-                            iwl_is_associated_ctx(ctx) && ctx->vif &&
+                            ctx->vif &&
                             ctx->vif->type == NL80211_IFTYPE_STATION) {
                                 /* block and stop all queues */
                                 priv->passive_no_rx = true;
diff --git a/drivers/net/wireless/iwlwifi/dvm/ucode.c b/drivers/net/wireless/iwlwifi/dvm/ucode.c
index 736fe9bb140e..1a4ac9236a44 100644
--- a/drivers/net/wireless/iwlwifi/dvm/ucode.c
+++ b/drivers/net/wireless/iwlwifi/dvm/ucode.c
@@ -367,6 +367,8 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
                 return -EIO;
         }
 
+        priv->ucode_loaded = true;
+
         if (ucode_type != IWL_UCODE_WOWLAN) {
                 /* delay a bit to give rfkill time to run */
                 msleep(5);
@@ -380,8 +382,6 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
                 return ret;
         }
 
-        priv->ucode_loaded = true;
-
         return 0;
 }
 
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 17bedc50e753..12c4f31ca8fb 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -475,6 +475,10 @@ static int iwl_trans_pcie_start_fw(struct iwl_trans *trans,
 
         /* If platform's RF_KILL switch is NOT set to KILL */
         hw_rfkill = iwl_is_rfkill_set(trans);
+        if (hw_rfkill)
+                set_bit(STATUS_RFKILL, &trans_pcie->status);
+        else
+                clear_bit(STATUS_RFKILL, &trans_pcie->status);
         iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill);
         if (hw_rfkill && !run_in_rfkill)
                 return -ERFKILL;
@@ -641,6 +645,7 @@ static int iwl_trans_pcie_d3_resume(struct iwl_trans *trans,
 
 static int iwl_trans_pcie_start_hw(struct iwl_trans *trans)
 {
+        struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
         bool hw_rfkill;
         int err;
 
@@ -656,6 +661,10 @@ static int iwl_trans_pcie_start_hw(struct iwl_trans *trans)
         iwl_enable_rfkill_int(trans);
 
         hw_rfkill = iwl_is_rfkill_set(trans);
+        if (hw_rfkill)
+                set_bit(STATUS_RFKILL, &trans_pcie->status);
+        else
+                clear_bit(STATUS_RFKILL, &trans_pcie->status);
         iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill);
 
         return 0;
@@ -694,6 +703,10 @@ static void iwl_trans_pcie_stop_hw(struct iwl_trans *trans,
                  * op_mode.
                  */
                 hw_rfkill = iwl_is_rfkill_set(trans);
+                if (hw_rfkill)
+                        set_bit(STATUS_RFKILL, &trans_pcie->status);
+                else
+                        clear_bit(STATUS_RFKILL, &trans_pcie->status);
                 iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill);
         }
 }
diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c
index 8595c16f74de..cb5c6792e3a8 100644
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -1264,7 +1264,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,
         for (i = 0; i < IWL_MAX_CMD_TBS_PER_TFD; i++) {
                 int copy = 0;
 
-                if (!cmd->len)
+                if (!cmd->len[i])
                         continue;
 
                 /* need at least IWL_HCMD_SCRATCHBUF_SIZE copied */
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index a44023a7bd57..8aaf56ade4d9 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -1892,7 +1892,8 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy,
                 }
         }
 
-        for (i = 0; i < request->n_channels; i++) {
+        for (i = 0; i < min_t(u32, request->n_channels,
+                              MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
                 chan = request->channels[i];
                 priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
                 priv->user_scan_cfg->chan_list[i].radio_type = chan->band;
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index 5c395e2e6a2b..feb204613397 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -1508,6 +1508,7 @@ static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter)
                 }
                 memcpy(adapter->upld_buf, skb->data,
                        min_t(u32, MWIFIEX_SIZE_OF_CMD_BUFFER, skb->len));
+                skb_push(skb, INTF_HEADER_LEN);
                 if (mwifiex_map_pci_memory(adapter, skb, MWIFIEX_UPLD_SIZE,
                                            PCI_DMA_FROMDEVICE))
                         return -1;
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index d215b4d3c51b..e7f6deaf715e 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -1393,8 +1393,10 @@ int mwifiex_scan_networks(struct mwifiex_private *priv,
                         queue_work(adapter->workqueue, &adapter->main_work);
 
                         /* Perform internal scan synchronously */
-                        if (!priv->scan_request)
+                        if (!priv->scan_request) {
+                                dev_dbg(adapter->dev, "wait internal scan\n");
                                 mwifiex_wait_queue_complete(adapter, cmd_node);
+                        }
                 } else {
                         spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
                                                flags);
@@ -1793,7 +1795,12 @@ check_next_scan:
                 /* Need to indicate IOCTL complete */
                 if (adapter->curr_cmd->wait_q_enabled) {
                         adapter->cmd_wait_q.status = 0;
-                        mwifiex_complete_cmd(adapter, adapter->curr_cmd);
+                        if (!priv->scan_request) {
+                                dev_dbg(adapter->dev,
+                                        "complete internal scan\n");
+                                mwifiex_complete_cmd(adapter,
+                                                     adapter->curr_cmd);
+                        }
                 }
                 if (priv->report_scan_result)
                         priv->report_scan_result = false;
diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig
index 2bf4efa33186..76cd47eb901e 100644
--- a/drivers/net/wireless/rt2x00/Kconfig
+++ b/drivers/net/wireless/rt2x00/Kconfig
@@ -20,6 +20,7 @@ if RT2X00
 config RT2400PCI
         tristate "Ralink rt2400 (PCI/PCMCIA) support"
         depends on PCI
+        select RT2X00_LIB_MMIO
         select RT2X00_LIB_PCI
         select EEPROM_93CX6
         ---help---
@@ -31,6 +32,7 @@ config RT2400PCI
 config RT2500PCI
         tristate "Ralink rt2500 (PCI/PCMCIA) support"
         depends on PCI
+        select RT2X00_LIB_MMIO
         select RT2X00_LIB_PCI
         select EEPROM_93CX6
         ---help---
@@ -43,6 +45,7 @@ config RT61PCI
         tristate "Ralink rt2501/rt61 (PCI/PCMCIA) support"
         depends on PCI
         select RT2X00_LIB_PCI
+        select RT2X00_LIB_MMIO
         select RT2X00_LIB_FIRMWARE
         select RT2X00_LIB_CRYPTO
         select CRC_ITU_T
@@ -57,6 +60,7 @@ config RT2800PCI
         tristate "Ralink rt27xx/rt28xx/rt30xx (PCI/PCIe/PCMCIA) support"
         depends on PCI || SOC_RT288X || SOC_RT305X
         select RT2800_LIB
+        select RT2X00_LIB_MMIO
         select RT2X00_LIB_PCI if PCI
         select RT2X00_LIB_SOC if SOC_RT288X || SOC_RT305X
         select RT2X00_LIB_FIRMWARE
@@ -185,6 +189,9 @@ endif
 config RT2800_LIB
         tristate
 
+config RT2X00_LIB_MMIO
+        tristate
+
 config RT2X00_LIB_PCI
         tristate
         select RT2X00_LIB
diff --git a/drivers/net/wireless/rt2x00/Makefile b/drivers/net/wireless/rt2x00/Makefile
index 349d5b8284a4..f069d8bc5b67 100644
--- a/drivers/net/wireless/rt2x00/Makefile
+++ b/drivers/net/wireless/rt2x00/Makefile
@@ -9,6 +9,7 @@ rt2x00lib-$(CONFIG_RT2X00_LIB_FIRMWARE)	+= rt2x00firmware.o
 rt2x00lib-$(CONFIG_RT2X00_LIB_LEDS)     += rt2x00leds.o
 
 obj-$(CONFIG_RT2X00_LIB)                += rt2x00lib.o
+obj-$(CONFIG_RT2X00_LIB_MMIO)           += rt2x00mmio.o
 obj-$(CONFIG_RT2X00_LIB_PCI)            += rt2x00pci.o
 obj-$(CONFIG_RT2X00_LIB_SOC)            += rt2x00soc.o
 obj-$(CONFIG_RT2X00_LIB_USB)            += rt2x00usb.o
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index 221beaaa83f1..dcfb54e0c516 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -34,6 +34,7 @@
 #include <linux/slab.h>
 
 #include "rt2x00.h"
+#include "rt2x00mmio.h"
 #include "rt2x00pci.h"
 #include "rt2400pci.h"
 
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index 39edc59e8d03..e1d2dc9ed28a 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -34,6 +34,7 @@
 #include <linux/slab.h>
 
 #include "rt2x00.h"
+#include "rt2x00mmio.h"
 #include "rt2x00pci.h"
 #include "rt2500pci.h"
 
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index ded73da4de0b..ba5a05625aaa 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -41,6 +41,7 @@
 #include <linux/eeprom_93cx6.h>
 
 #include "rt2x00.h"
+#include "rt2x00mmio.h"
 #include "rt2x00pci.h"
 #include "rt2x00soc.h"
 #include "rt2800lib.h"
diff --git a/drivers/net/wireless/rt2x00/rt2x00mmio.c b/drivers/net/wireless/rt2x00/rt2x00mmio.c
new file mode 100644
index 000000000000..d84a680ba0c9
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00mmio.c
@@ -0,0 +1,216 @@
+/*
+        Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
+        <http://rt2x00.serialmonkey.com>
+
+        This program is free software; you can redistribute it and/or modify
+        it under the terms of the GNU General Public License as published by
+        the Free Software Foundation; either version 2 of the License, or
+        (at your option) any later version.
+
+        This program is distributed in the hope that it will be useful,
+        but WITHOUT ANY WARRANTY; without even the implied warranty of
+        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+        GNU General Public License for more details.
+
+        You should have received a copy of the GNU General Public License
+        along with this program; if not, write to the
+        Free Software Foundation, Inc.,
+        59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+        Module: rt2x00mmio
+        Abstract: rt2x00 generic mmio device routines.
+ */
+
+#include <linux/dma-mapping.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+
+#include "rt2x00.h"
+#include "rt2x00mmio.h"
+
+/*
+ * Register access.
+ */
+int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
+                           const unsigned int offset,
+                           const struct rt2x00_field32 field,
+                           u32 *reg)
+{
+        unsigned int i;
+
+        if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
+                return 0;
+
+        for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+                rt2x00pci_register_read(rt2x00dev, offset, reg);
+                if (!rt2x00_get_field32(*reg, field))
+                        return 1;
+                udelay(REGISTER_BUSY_DELAY);
+        }
+
+        printk_once(KERN_ERR "%s() Indirect register access failed: "
+              "offset=0x%.08x, value=0x%.08x\n", __func__, offset, *reg);
+        *reg = ~0;
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_regbusy_read);
+
+bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev)
+{
+        struct data_queue *queue = rt2x00dev->rx;
+        struct queue_entry *entry;
+        struct queue_entry_priv_pci *entry_priv;
+        struct skb_frame_desc *skbdesc;
+        int max_rx = 16;
+
+        while (--max_rx) {
+                entry = rt2x00queue_get_entry(queue, Q_INDEX);
+                entry_priv = entry->priv_data;
+
+                if (rt2x00dev->ops->lib->get_entry_state(entry))
+                        break;
+
+                /*
+                 * Fill in desc fields of the skb descriptor
+                 */
+                skbdesc = get_skb_frame_desc(entry->skb);
+                skbdesc->desc = entry_priv->desc;
+                skbdesc->desc_len = entry->queue->desc_size;
+
+                /*
+                 * DMA is already done, notify rt2x00lib that
+                 * it finished successfully.
+                 */
+                rt2x00lib_dmastart(entry);
+                rt2x00lib_dmadone(entry);
+
+                /*
+                 * Send the frame to rt2x00lib for further processing.
+                 */
+                rt2x00lib_rxdone(entry, GFP_ATOMIC);
+        }
+
+        return !max_rx;
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_rxdone);
+
+void rt2x00pci_flush_queue(struct data_queue *queue, bool drop)
+{
+        unsigned int i;
+
+        for (i = 0; !rt2x00queue_empty(queue) && i < 10; i++)
+                msleep(10);
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_flush_queue);
+
+/*
+ * Device initialization handlers.
+ */
+static int rt2x00pci_alloc_queue_dma(struct rt2x00_dev *rt2x00dev,
+                                     struct data_queue *queue)
+{
+        struct queue_entry_priv_pci *entry_priv;
+        void *addr;
+        dma_addr_t dma;
+        unsigned int i;
+
+        /*
+         * Allocate DMA memory for descriptor and buffer.
+         */
+        addr = dma_alloc_coherent(rt2x00dev->dev,
+                                  queue->limit * queue->desc_size,
+                                  &dma, GFP_KERNEL);
+        if (!addr)
+                return -ENOMEM;
+
+        memset(addr, 0, queue->limit * queue->desc_size);
+
+        /*
+         * Initialize all queue entries to contain valid addresses.
+         */
+        for (i = 0; i < queue->limit; i++) {
+                entry_priv = queue->entries[i].priv_data;
+                entry_priv->desc = addr + i * queue->desc_size;
+                entry_priv->desc_dma = dma + i * queue->desc_size;
+        }
+
+        return 0;
+}
+
+static void rt2x00pci_free_queue_dma(struct rt2x00_dev *rt2x00dev,
+                                     struct data_queue *queue)
+{
+        struct queue_entry_priv_pci *entry_priv =
+            queue->entries[0].priv_data;
+
+        if (entry_priv->desc)
+                dma_free_coherent(rt2x00dev->dev,
+                                  queue->limit * queue->desc_size,
+                                  entry_priv->desc, entry_priv->desc_dma);
+        entry_priv->desc = NULL;
+}
+
+int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev)
+{
+        struct data_queue *queue;
+        int status;
+
+        /*
+         * Allocate DMA
+         */
+        queue_for_each(rt2x00dev, queue) {
+                status = rt2x00pci_alloc_queue_dma(rt2x00dev, queue);
+                if (status)
+                        goto exit;
+        }
+
+        /*
+         * Register interrupt handler.
+         */
+        status = request_irq(rt2x00dev->irq,
+                             rt2x00dev->ops->lib->irq_handler,
+                             IRQF_SHARED, rt2x00dev->name, rt2x00dev);
+        if (status) {
+                ERROR(rt2x00dev, "IRQ %d allocation failed (error %d).\n",
+                      rt2x00dev->irq, status);
+                goto exit;
+        }
+
+        return 0;
+
+exit:
+        queue_for_each(rt2x00dev, queue)
+                rt2x00pci_free_queue_dma(rt2x00dev, queue);
+
+        return status;
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_initialize);
+
+void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev)
+{
+        struct data_queue *queue;
+
+        /*
+         * Free irq line.
+         */
+        free_irq(rt2x00dev->irq, rt2x00dev);
+
+        /*
+         * Free DMA
+         */
+        queue_for_each(rt2x00dev, queue)
+                rt2x00pci_free_queue_dma(rt2x00dev, queue);
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_uninitialize);
+
+/*
+ * rt2x00mmio module information.
+ */
+MODULE_AUTHOR(DRV_PROJECT);
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("rt2x00 mmio library");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/wireless/rt2x00/rt2x00mmio.h b/drivers/net/wireless/rt2x00/rt2x00mmio.h
new file mode 100644
index 000000000000..4ecaf60175bf
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00mmio.h
@@ -0,0 +1,119 @@
+/*
+        Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
+        <http://rt2x00.serialmonkey.com>
+
+        This program is free software; you can redistribute it and/or modify
+        it under the terms of the GNU General Public License as published by
+        the Free Software Foundation; either version 2 of the License, or
+        (at your option) any later version.
+
+        This program is distributed in the hope that it will be useful,
+        but WITHOUT ANY WARRANTY; without even the implied warranty of
+        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+        GNU General Public License for more details.
+
+        You should have received a copy of the GNU General Public License
+        along with this program; if not, write to the
+        Free Software Foundation, Inc.,
+        59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+        Module: rt2x00mmio
+        Abstract: Data structures for the rt2x00mmio module.
+ */
+
+#ifndef RT2X00MMIO_H
+#define RT2X00MMIO_H
+
+#include <linux/io.h>
+
+/*
+ * Register access.
+ */
+static inline void rt2x00pci_register_read(struct rt2x00_dev *rt2x00dev,
+                                           const unsigned int offset,
+                                           u32 *value)
+{
+        *value = readl(rt2x00dev->csr.base + offset);
+}
+
+static inline void rt2x00pci_register_multiread(struct rt2x00_dev *rt2x00dev,
+                                                const unsigned int offset,
+                                                void *value, const u32 length)
+{
+        memcpy_fromio(value, rt2x00dev->csr.base + offset, length);
+}
+
+static inline void rt2x00pci_register_write(struct rt2x00_dev *rt2x00dev,
+                                            const unsigned int offset,
+                                            u32 value)
+{
+        writel(value, rt2x00dev->csr.base + offset);
+}
+
+static inline void rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev,
+                                                 const unsigned int offset,
+                                                 const void *value,
+                                                 const u32 length)
+{
+        __iowrite32_copy(rt2x00dev->csr.base + offset, value, length >> 2);
+}
+
+/**
+ * rt2x00pci_regbusy_read - Read from register with busy check
+ * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
+ * @offset: Register offset
+ * @field: Field to check if register is busy
+ * @reg: Pointer to where register contents should be stored
+ *
+ * This function will read the given register, and checks if the
+ * register is busy. If it is, it will sleep for a couple of
+ * microseconds before reading the register again. If the register
+ * is not read after a certain timeout, this function will return
+ * FALSE.
+ */
+int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
+                           const unsigned int offset,
+                           const struct rt2x00_field32 field,
+                           u32 *reg);
+
+/**
+ * struct queue_entry_priv_pci: Per entry PCI specific information
+ *
+ * @desc: Pointer to device descriptor
+ * @desc_dma: DMA pointer to &desc.
+ * @data: Pointer to device's entry memory.
+ * @data_dma: DMA pointer to &data.
+ */
+struct queue_entry_priv_pci {
+        __le32 *desc;
+        dma_addr_t desc_dma;
+};
+
+/**
+ * rt2x00pci_rxdone - Handle RX done events
+ * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
+ *
+ * Returns true if there are still rx frames pending and false if all
+ * pending rx frames were processed.
+ */
+bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev);
+
+/**
+ * rt2x00pci_flush_queue - Flush data queue
+ * @queue: Data queue to stop
+ * @drop: True to drop all pending frames.
+ *
+ * This will wait for a maximum of 100ms, waiting for the queues
+ * to become empty.
+ */
+void rt2x00pci_flush_queue(struct data_queue *queue, bool drop);
+
+/*
+ * Device initialization handlers.
+ */
+int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev);
+void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev);
+
+#endif /* RT2X00MMIO_H */
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
index a0c8caef3b0a..e87865e33113 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -33,182 +33,6 @@
 #include "rt2x00pci.h"
 
 /*
- * Register access.
- */
-int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
-                           const unsigned int offset,
-                           const struct rt2x00_field32 field,
-                           u32 *reg)
-{
-        unsigned int i;
-
-        if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
-                return 0;
-
-        for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-                rt2x00pci_register_read(rt2x00dev, offset, reg);
-                if (!rt2x00_get_field32(*reg, field))
-                        return 1;
-                udelay(REGISTER_BUSY_DELAY);
-        }
-
-        ERROR(rt2x00dev, "Indirect register access failed: "
-              "offset=0x%.08x, value=0x%.08x\n", offset, *reg);
-        *reg = ~0;
-
-        return 0;
-}
-EXPORT_SYMBOL_GPL(rt2x00pci_regbusy_read);
-
-bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev)
-{
-        struct data_queue *queue = rt2x00dev->rx;
-        struct queue_entry *entry;
-        struct queue_entry_priv_pci *entry_priv;
-        struct skb_frame_desc *skbdesc;
-        int max_rx = 16;
-
-        while (--max_rx) {
-                entry = rt2x00queue_get_entry(queue, Q_INDEX);
-                entry_priv = entry->priv_data;
-
-                if (rt2x00dev->ops->lib->get_entry_state(entry))
-                        break;
-
-                /*
-                 * Fill in desc fields of the skb descriptor
-                 */
-                skbdesc = get_skb_frame_desc(entry->skb);
-                skbdesc->desc = entry_priv->desc;
-                skbdesc->desc_len = entry->queue->desc_size;
-
-                /*
-                 * DMA is already done, notify rt2x00lib that
-                 * it finished successfully.
-                 */
-                rt2x00lib_dmastart(entry);
-                rt2x00lib_dmadone(entry);
-
-                /*
-                 * Send the frame to rt2x00lib for further processing.
-                 */
-                rt2x00lib_rxdone(entry, GFP_ATOMIC);
-        }
-
-        return !max_rx;
-}
-EXPORT_SYMBOL_GPL(rt2x00pci_rxdone);
-
-void rt2x00pci_flush_queue(struct data_queue *queue, bool drop)
-{
-        unsigned int i;
-
-        for (i = 0; !rt2x00queue_empty(queue) && i < 10; i++)
-                msleep(10);
-}
-EXPORT_SYMBOL_GPL(rt2x00pci_flush_queue);
-
-/*
- * Device initialization handlers.
- */
-static int rt2x00pci_alloc_queue_dma(struct rt2x00_dev *rt2x00dev,
-                                     struct data_queue *queue)
-{
-        struct queue_entry_priv_pci *entry_priv;
-        void *addr;
-        dma_addr_t dma;
-        unsigned int i;
-
-        /*
-         * Allocate DMA memory for descriptor and buffer.
-         */
-        addr = dma_alloc_coherent(rt2x00dev->dev,
-                                  queue->limit * queue->desc_size,
-                                  &dma, GFP_KERNEL);
-        if (!addr)
-                return -ENOMEM;
-
-        memset(addr, 0, queue->limit * queue->desc_size);
-
-        /*
-         * Initialize all queue entries to contain valid addresses.
-         */
-        for (i = 0; i < queue->limit; i++) {
-                entry_priv = queue->entries[i].priv_data;
-                entry_priv->desc = addr + i * queue->desc_size;
-                entry_priv->desc_dma = dma + i * queue->desc_size;
-        }
-
-        return 0;
-}
-
-static void rt2x00pci_free_queue_dma(struct rt2x00_dev *rt2x00dev,
-                                     struct data_queue *queue)
-{
-        struct queue_entry_priv_pci *entry_priv =
-            queue->entries[0].priv_data;
-
-        if (entry_priv->desc)
-                dma_free_coherent(rt2x00dev->dev,
-                                  queue->limit * queue->desc_size,
-                                  entry_priv->desc, entry_priv->desc_dma);
-        entry_priv->desc = NULL;
-}
-
-int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev)
-{
-        struct data_queue *queue;
-        int status;
-
-        /*
-         * Allocate DMA
-         */
-        queue_for_each(rt2x00dev, queue) {
-                status = rt2x00pci_alloc_queue_dma(rt2x00dev, queue);
-                if (status)
-                        goto exit;
-        }
-
-        /*
-         * Register interrupt handler.
-         */
-        status = request_irq(rt2x00dev->irq,
-                             rt2x00dev->ops->lib->irq_handler,
-                             IRQF_SHARED, rt2x00dev->name, rt2x00dev);
-        if (status) {
-                ERROR(rt2x00dev, "IRQ %d allocation failed (error %d).\n",
-                      rt2x00dev->irq, status);
-                goto exit;
-        }
-
-        return 0;
-
-exit:
-        queue_for_each(rt2x00dev, queue)
-                rt2x00pci_free_queue_dma(rt2x00dev, queue);
-
-        return status;
-}
-EXPORT_SYMBOL_GPL(rt2x00pci_initialize);
-
-void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev)
-{
-        struct data_queue *queue;
-
-        /*
-         * Free irq line.
-         */
-        free_irq(rt2x00dev->irq, rt2x00dev);
-
-        /*
-         * Free DMA
-         */
-        queue_for_each(rt2x00dev, queue)
-                rt2x00pci_free_queue_dma(rt2x00dev, queue);
-}
-EXPORT_SYMBOL_GPL(rt2x00pci_uninitialize);
-
-/*
  * PCI driver handlers.
  */
 static void rt2x00pci_free_reg(struct rt2x00_dev *rt2x00dev)
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.h b/drivers/net/wireless/rt2x00/rt2x00pci.h
index e2c99f2b9a14..60d90b20f8b9 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.h
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.h
@@ -36,94 +36,6 @@
 #define PCI_DEVICE_DATA(__ops)  .driver_data = (kernel_ulong_t)(__ops)
 
 /*
- * Register access.
- */
-static inline void rt2x00pci_register_read(struct rt2x00_dev *rt2x00dev,
-                                           const unsigned int offset,
-                                           u32 *value)
-{
-        *value = readl(rt2x00dev->csr.base + offset);
-}
-
-static inline void rt2x00pci_register_multiread(struct rt2x00_dev *rt2x00dev,
-                                                const unsigned int offset,
-                                                void *value, const u32 length)
-{
-        memcpy_fromio(value, rt2x00dev->csr.base + offset, length);
-}
-
-static inline void rt2x00pci_register_write(struct rt2x00_dev *rt2x00dev,
-                                            const unsigned int offset,
-                                            u32 value)
-{
-        writel(value, rt2x00dev->csr.base + offset);
-}
-
-static inline void rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev,
-                                                 const unsigned int offset,
-                                                 const void *value,
-                                                 const u32 length)
-{
-        __iowrite32_copy(rt2x00dev->csr.base + offset, value, length >> 2);
-}
-
-/**
- * rt2x00pci_regbusy_read - Read from register with busy check
- * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
- * @offset: Register offset
- * @field: Field to check if register is busy
- * @reg: Pointer to where register contents should be stored
- *
- * This function will read the given register, and checks if the
- * register is busy. If it is, it will sleep for a couple of
- * microseconds before reading the register again. If the register
- * is not read after a certain timeout, this function will return
- * FALSE.
- */
-int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
-                           const unsigned int offset,
-                           const struct rt2x00_field32 field,
-                           u32 *reg);
-
-/**
- * struct queue_entry_priv_pci: Per entry PCI specific information
- *
- * @desc: Pointer to device descriptor
- * @desc_dma: DMA pointer to &desc.
- * @data: Pointer to device's entry memory.
- * @data_dma: DMA pointer to &data.
- */
-struct queue_entry_priv_pci {
-        __le32 *desc;
-        dma_addr_t desc_dma;
-};
-
-/**
- * rt2x00pci_rxdone - Handle RX done events
- * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
- *
- * Returns true if there are still rx frames pending and false if all
- * pending rx frames were processed.
- */
-bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev);
-
-/**
- * rt2x00pci_flush_queue - Flush data queue
- * @queue: Data queue to stop
- * @drop: True to drop all pending frames.
- *
- * This will wait for a maximum of 100ms, waiting for the queues
- * to become empty.
- */
-void rt2x00pci_flush_queue(struct data_queue *queue, bool drop);
-
-/*
- * Device initialization handlers.
- */
-int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev);
-void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev);
-
-/*
  * PCI driver handlers.
  */
 int rt2x00pci_probe(struct pci_dev *pci_dev, const struct rt2x00_ops *ops);
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index f95792cfcf89..9e3c8ff53e3f 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -35,6 +35,7 @@
 #include <linux/eeprom_93cx6.h>
 
 #include "rt2x00.h"
+#include "rt2x00mmio.h"
 #include "rt2x00pci.h"
 #include "rt61pci.h"
 
diff --git a/drivers/nfc/microread/mei.c b/drivers/nfc/microread/mei.c
index eef38cfd812e..ca33ae193935 100644
--- a/drivers/nfc/microread/mei.c
+++ b/drivers/nfc/microread/mei.c
@@ -22,7 +22,7 @@
 #include <linux/slab.h>
 #include <linux/interrupt.h>
 #include <linux/gpio.h>
-#include <linux/mei_bus.h>
+#include <linux/mei_cl_bus.h>
 
 #include <linux/nfc.h>
 #include <net/nfc/hci.h>
@@ -32,9 +32,6 @@
 
 #define MICROREAD_DRIVER_NAME "microread"
 
-#define MICROREAD_UUID UUID_LE(0x0bb17a78, 0x2a8e, 0x4c50, 0x94, \
-                               0xd4, 0x50, 0x26, 0x67, 0x23, 0x77, 0x5c)
-
 struct mei_nfc_hdr {
         u8 cmd;
         u8 status;
@@ -48,7 +45,7 @@ struct mei_nfc_hdr {
 #define MEI_NFC_MAX_READ (MEI_NFC_HEADER_SIZE + MEI_NFC_MAX_HCI_PAYLOAD)
 
 struct microread_mei_phy {
-        struct mei_device *mei_device;
+        struct mei_cl_device *device;
         struct nfc_hci_dev *hdev;
 
         int powered;
@@ -105,14 +102,14 @@ static int microread_mei_write(void *phy_id, struct sk_buff *skb)
 
         MEI_DUMP_SKB_OUT("mei frame sent", skb);
 
-        r = mei_send(phy->device, skb->data, skb->len);
+        r = mei_cl_send(phy->device, skb->data, skb->len);
         if (r > 0)
                 r = 0;
 
         return r;
 }
 
-static void microread_event_cb(struct mei_device *device, u32 events,
+static void microread_event_cb(struct mei_cl_device *device, u32 events,
                                void *context)
 {
         struct microread_mei_phy *phy = context;
@@ -120,7 +117,7 @@ static void microread_event_cb(struct mei_device *device, u32 events,
         if (phy->hard_fault != 0)
                 return;
 
-        if (events & BIT(MEI_EVENT_RX)) {
+        if (events & BIT(MEI_CL_EVENT_RX)) {
                 struct sk_buff *skb;
                 int reply_size;
 
@@ -128,7 +125,7 @@ static void microread_event_cb(struct mei_device *device, u32 events,
                 if (!skb)
                         return;
 
-                reply_size = mei_recv(device, skb->data, MEI_NFC_MAX_READ);
+                reply_size = mei_cl_recv(device, skb->data, MEI_NFC_MAX_READ);
                 if (reply_size < MEI_NFC_HEADER_SIZE) {
                         kfree(skb);
                         return;
@@ -149,8 +146,8 @@ static struct nfc_phy_ops mei_phy_ops = {
         .disable = microread_mei_disable,
 };
 
-static int microread_mei_probe(struct mei_device *device,
-                               const struct mei_id *id)
+static int microread_mei_probe(struct mei_cl_device *device,
+                               const struct mei_cl_device_id *id)
 {
         struct microread_mei_phy *phy;
         int r;
@@ -164,9 +161,9 @@ static int microread_mei_probe(struct mei_device *device,
         }
 
         phy->device = device;
-        mei_set_clientdata(device, phy);
+        mei_cl_set_drvdata(device, phy);
 
-        r = mei_register_event_cb(device, microread_event_cb, phy);
+        r = mei_cl_register_event_cb(device, microread_event_cb, phy);
         if (r) {
                 pr_err(MICROREAD_DRIVER_NAME ": event cb registration failed\n");
                 goto err_out;
@@ -186,9 +183,9 @@ err_out:
         return r;
 }
 
-static int microread_mei_remove(struct mei_device *device)
+static int microread_mei_remove(struct mei_cl_device *device)
 {
-        struct microread_mei_phy *phy = mei_get_clientdata(device);
+        struct microread_mei_phy *phy = mei_cl_get_drvdata(device);
 
         pr_info("Removing microread\n");
 
@@ -202,16 +199,15 @@ static int microread_mei_remove(struct mei_device *device)
         return 0;
 }
 
-static struct mei_id microread_mei_tbl[] = {
-        { MICROREAD_DRIVER_NAME, MICROREAD_UUID },
+static struct mei_cl_device_id microread_mei_tbl[] = {
+        { MICROREAD_DRIVER_NAME },
 
         /* required last entry */
         { }
 };
-
 MODULE_DEVICE_TABLE(mei, microread_mei_tbl);
 
-static struct mei_driver microread_driver = {
+static struct mei_cl_driver microread_driver = {
         .id_table = microread_mei_tbl,
         .name = MICROREAD_DRIVER_NAME,
 
@@ -225,7 +221,7 @@ static int microread_mei_init(void)
 
         pr_debug(DRIVER_DESC ": %s\n", __func__);
 
-        r = mei_driver_register(&microread_driver);
+        r = mei_cl_driver_register(&microread_driver);
         if (r) {
                 pr_err(MICROREAD_DRIVER_NAME ": driver registration failed\n");
                 return r;
@@ -236,7 +232,7 @@ static int microread_mei_init(void)
 
 static void microread_mei_exit(void)
 {
-        mei_driver_unregister(&microread_driver);
+        mei_cl_driver_unregister(&microread_driver);
 }
 
 module_init(microread_mei_init);
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index dee5dddaa292..5147c210df52 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -53,14 +53,15 @@ static void pci_acpi_wake_dev(acpi_handle handle, u32 event, void *context)
                 return;
         }
 
-        if (!pci_dev->pm_cap || !pci_dev->pme_support
-             || pci_check_pme_status(pci_dev)) {
-                if (pci_dev->pme_poll)
-                        pci_dev->pme_poll = false;
+        /* Clear PME Status if set. */
+        if (pci_dev->pme_support)
+                pci_check_pme_status(pci_dev);
 
-                pci_wakeup_event(pci_dev);
-                pm_runtime_resume(&pci_dev->dev);
-        }
+        if (pci_dev->pme_poll)
+                pci_dev->pme_poll = false;
+
+        pci_wakeup_event(pci_dev);
+        pm_runtime_resume(&pci_dev->dev);
 
         if (pci_dev->subordinate)
                 pci_pme_wakeup_bus(pci_dev->subordinate);
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 1fa1e482a999..79277fb36c6b 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -390,9 +390,10 @@ static void pci_device_shutdown(struct device *dev)
 
         /*
          * Turn off Bus Master bit on the device to tell it to not
-         * continue to do DMA
+         * continue to do DMA. Don't touch devices in D3cold or unknown states.
          */
-        pci_clear_master(pci_dev);
+        if (pci_dev->current_state <= PCI_D3hot)
+                pci_clear_master(pci_dev);
 }
 
 #ifdef CONFIG_PM
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index 08c243ab034e..ed4d09498337 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -185,14 +185,6 @@ static const struct dev_pm_ops pcie_portdrv_pm_ops = {
 #endif /* !PM */
 
 /*
- * PCIe port runtime suspend is broken for some chipsets, so use a
- * black list to disable runtime PM for these chipsets.
- */
-static const struct pci_device_id port_runtime_pm_black_list[] = {
-        { /* end: all zeroes */ }
-};
-
-/*
  * pcie_portdrv_probe - Probe PCI-Express port devices
  * @dev: PCI-Express port device being probed
  *
@@ -225,16 +217,11 @@ static int pcie_portdrv_probe(struct pci_dev *dev,
          * it by default.
          */
         dev->d3cold_allowed = false;
-        if (!pci_match_id(port_runtime_pm_black_list, dev))
-                pm_runtime_put_noidle(&dev->dev);
-
         return 0;
 }
 
 static void pcie_portdrv_remove(struct pci_dev *dev)
 {
-        if (!pci_match_id(port_runtime_pm_black_list, dev))
-                pm_runtime_get_noresume(&dev->dev);
         pcie_port_device_remove(dev);
         pci_disable_device(dev);
 }
diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c
index b41ac7756a4b..c5d0a08a8747 100644
--- a/drivers/pci/rom.c
+++ b/drivers/pci/rom.c
@@ -100,27 +100,6 @@ size_t pci_get_rom_size(struct pci_dev *pdev, void __iomem *rom, size_t size)
         return min((size_t)(image - rom), size);
 }
 
-static loff_t pci_find_rom(struct pci_dev *pdev, size_t *size)
-{
-        struct resource *res = &pdev->resource[PCI_ROM_RESOURCE];
-        loff_t start;
-
-        /* assign the ROM an address if it doesn't have one */
-        if (res->parent == NULL && pci_assign_resource(pdev, PCI_ROM_RESOURCE))
-                return 0;
-        start = pci_resource_start(pdev, PCI_ROM_RESOURCE);
-        *size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
-
-        if (*size == 0)
-                return 0;
-
-        /* Enable ROM space decodes */
-        if (pci_enable_rom(pdev))
-                return 0;
-
-        return start;
-}
-
 /**
  * pci_map_rom - map a PCI ROM to kernel space
  * @pdev: pointer to pci device struct
@@ -135,7 +114,7 @@ static loff_t pci_find_rom(struct pci_dev *pdev, size_t *size)
 void __iomem *pci_map_rom(struct pci_dev *pdev, size_t *size)
 {
         struct resource *res = &pdev->resource[PCI_ROM_RESOURCE];
-        loff_t start = 0;
+        loff_t start;
         void __iomem *rom;
 
         /*
@@ -154,21 +133,21 @@ void __iomem *pci_map_rom(struct pci_dev *pdev, size_t *size)
                         return (void __iomem *)(unsigned long)
                                 pci_resource_start(pdev, PCI_ROM_RESOURCE);
                 } else {
-                        start = pci_find_rom(pdev, size);
-                }
-        }
+                        /* assign the ROM an address if it doesn't have one */
+                        if (res->parent == NULL &&
+                            pci_assign_resource(pdev,PCI_ROM_RESOURCE))
+                                return NULL;
+                        start = pci_resource_start(pdev, PCI_ROM_RESOURCE);
+                        *size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
+                        if (*size == 0)
+                                return NULL;
 
-        /*
-         * Some devices may provide ROMs via a source other than the BAR
-         */
-        if (!start && pdev->rom && pdev->romlen) {
-                *size = pdev->romlen;
-                return phys_to_virt(pdev->rom);
+                        /* Enable ROM space decodes */
+                        if (pci_enable_rom(pdev))
+                                return NULL;
+                }
         }
 
-        if (!start)
-                return NULL;
-
         rom = ioremap(start, *size);
         if (!rom) {
                 /* restore enable if ioremap fails */
@@ -202,8 +181,7 @@ void pci_unmap_rom(struct pci_dev *pdev, void __iomem *rom)
         if (res->flags & (IORESOURCE_ROM_COPY | IORESOURCE_ROM_BIOS_COPY))
                 return;
 
-        if (!pdev->rom || !pdev->romlen)
-                iounmap(rom);
+        iounmap(rom);
 
         /* Disable again before continuing, leave enabled if pci=rom */
         if (!(res->flags & (IORESOURCE_ROM_ENABLE | IORESOURCE_ROM_SHADOW)))
@@ -227,7 +205,24 @@ void pci_cleanup_rom(struct pci_dev *pdev)
         }
 }
 
+/**
+ * pci_platform_rom - provides a pointer to any ROM image provided by the
+ * platform
+ * @pdev: pointer to pci device struct
+ * @size: pointer to receive size of pci window over ROM
+ */
+void __iomem *pci_platform_rom(struct pci_dev *pdev, size_t *size)
+{
+        if (pdev->rom && pdev->romlen) {
+                *size = pdev->romlen;
+                return phys_to_virt((phys_addr_t)pdev->rom);
+        }
+
+        return NULL;
+}
+
 EXPORT_SYMBOL(pci_map_rom);
 EXPORT_SYMBOL(pci_unmap_rom);
 EXPORT_SYMBOL_GPL(pci_enable_rom);
 EXPORT_SYMBOL_GPL(pci_disable_rom);
+EXPORT_SYMBOL(pci_platform_rom);
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 45cacf79f3a7..1a779bbfb87d 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -134,7 +134,6 @@ static const struct key_entry hp_wmi_keymap[] = {
         { KE_KEY, 0x2142, { KEY_MEDIA } },
         { KE_KEY, 0x213b, { KEY_INFO } },
         { KE_KEY, 0x2169, { KEY_DIRECTION } },
-        { KE_KEY, 0x216a, { KEY_SETUP } },
         { KE_KEY, 0x231b, { KEY_HELP } },
         { KE_END, 0 }
 };
@@ -925,9 +924,6 @@ static int __init hp_wmi_init(void)
                 err = hp_wmi_input_setup();
                 if (err)
                         return err;
-                
-                //Enable magic for hotkeys that run on the SMBus
-                ec_write(0xe6,0x6e);
         }
 
         if (bios_capable) {
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 9a907567f41e..edec135b1685 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -1964,9 +1964,6 @@ struct tp_nvram_state {
 /* kthread for the hotkey poller */
 static struct task_struct *tpacpi_hotkey_task;
 
-/* Acquired while the poller kthread is running, use to sync start/stop */
-static struct mutex hotkey_thread_mutex;
-
 /*
  * Acquire mutex to write poller control variables as an
  * atomic block.
@@ -2462,8 +2459,6 @@ static int hotkey_kthread(void *data)
         unsigned int poll_freq;
         bool was_frozen;
 
-        mutex_lock(&hotkey_thread_mutex);
-
         if (tpacpi_lifecycle == TPACPI_LIFE_EXITING)
                 goto exit;
 
@@ -2523,7 +2518,6 @@ static int hotkey_kthread(void *data)
         }
 
 exit:
-        mutex_unlock(&hotkey_thread_mutex);
         return 0;
 }
 
@@ -2533,9 +2527,6 @@ static void hotkey_poll_stop_sync(void)
         if (tpacpi_hotkey_task) {
                 kthread_stop(tpacpi_hotkey_task);
                 tpacpi_hotkey_task = NULL;
-                mutex_lock(&hotkey_thread_mutex);
-                /* at this point, the thread did exit */
-                mutex_unlock(&hotkey_thread_mutex);
         }
 }
 
@@ -3234,7 +3225,6 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
         mutex_init(&hotkey_mutex);
 
 #ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
-        mutex_init(&hotkey_thread_mutex);
         mutex_init(&hotkey_thread_data_mutex);
 #endif
 
diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
index cc1f7bf53fd0..c6d77e20622c 100644
--- a/drivers/remoteproc/Kconfig
+++ b/drivers/remoteproc/Kconfig
@@ -4,7 +4,7 @@ menu "Remoteproc drivers"
 config REMOTEPROC
         tristate
         depends on HAS_DMA
-        select FW_CONFIG
+        select FW_LOADER
         select VIRTIO
 
 config OMAP_REMOTEPROC
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 29387df4bfc9..8edb4aed5d36 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -217,7 +217,7 @@ int rproc_alloc_vring(struct rproc_vdev *rvdev, int i)
          * TODO: support predefined notifyids (via resource table)
          */
         ret = idr_alloc(&rproc->notifyids, rvring, 0, 0, GFP_KERNEL);
-        if (ret) {
+        if (ret < 0) {
                 dev_err(dev, "idr_alloc failed: %d\n", ret);
                 dma_free_coherent(dev->parent, size, va, dma);
                 return ret;
@@ -366,10 +366,12 @@ static int rproc_handle_vdev(struct rproc *rproc, struct fw_rsc_vdev *rsc,
         /* it is now safe to add the virtio device */
         ret = rproc_add_virtio_dev(rvdev, rsc->id);
         if (ret)
-                goto free_rvdev;
+                goto remove_rvdev;
 
         return 0;
 
+remove_rvdev:
+        list_del(&rvdev->node);
 free_rvdev:
         kfree(rvdev);
         return ret;
diff --git a/drivers/remoteproc/ste_modem_rproc.c b/drivers/remoteproc/ste_modem_rproc.c
index a7743c069339..fb95c4220052 100644
--- a/drivers/remoteproc/ste_modem_rproc.c
+++ b/drivers/remoteproc/ste_modem_rproc.c
@@ -240,6 +240,8 @@ static int sproc_drv_remove(struct platform_device *pdev)
 
         /* Unregister as remoteproc device */
         rproc_del(sproc->rproc);
+        dma_free_coherent(sproc->rproc->dev.parent, SPROC_FW_SIZE,
+                          sproc->fw_addr, sproc->fw_dma_addr);
         rproc_put(sproc->rproc);
 
         mdev->drv_data = NULL;
@@ -297,10 +299,13 @@ static int sproc_probe(struct platform_device *pdev)
         /* Register as a remoteproc device */
         err = rproc_add(rproc);
         if (err)
-                goto free_rproc;
+                goto free_mem;
 
         return 0;
 
+free_mem:
+        dma_free_coherent(rproc->dev.parent, SPROC_FW_SIZE,
+                          sproc->fw_addr, sproc->fw_dma_addr);
 free_rproc:
         /* Reset device data upon error */
         mdev->drv_data = NULL;
diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index 0a9f27e094ea..434ebc3a99dc 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -44,7 +44,6 @@ static DECLARE_COMPLETION(at91_rtc_updated);
 static unsigned int at91_alarm_year = AT91_RTC_EPOCH;
 static void __iomem *at91_rtc_regs;
 static int irq;
-static u32 at91_rtc_imr;
 
 /*
  * Decode time/date into rtc_time structure
@@ -109,11 +108,9 @@ static int at91_rtc_settime(struct device *dev, struct rtc_time *tm)
         cr = at91_rtc_read(AT91_RTC_CR);
         at91_rtc_write(AT91_RTC_CR, cr | AT91_RTC_UPDCAL | AT91_RTC_UPDTIM);
 
-        at91_rtc_imr |= AT91_RTC_ACKUPD;
         at91_rtc_write(AT91_RTC_IER, AT91_RTC_ACKUPD);
         wait_for_completion(&at91_rtc_updated); /* wait for ACKUPD interrupt */
         at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ACKUPD);
-        at91_rtc_imr &= ~AT91_RTC_ACKUPD;
 
         at91_rtc_write(AT91_RTC_TIMR,
                           bin2bcd(tm->tm_sec) << 0
@@ -145,7 +142,7 @@ static int at91_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
         tm->tm_yday = rtc_year_days(tm->tm_mday, tm->tm_mon, tm->tm_year);
         tm->tm_year = at91_alarm_year - 1900;
 
-        alrm->enabled = (at91_rtc_imr & AT91_RTC_ALARM)
+        alrm->enabled = (at91_rtc_read(AT91_RTC_IMR) & AT91_RTC_ALARM)
                         ? 1 : 0;
 
         dev_dbg(dev, "%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__,
@@ -171,7 +168,6 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
         tm.tm_sec = alrm->time.tm_sec;
 
         at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ALARM);
-        at91_rtc_imr &= ~AT91_RTC_ALARM;
         at91_rtc_write(AT91_RTC_TIMALR,
                   bin2bcd(tm.tm_sec) << 0
                 | bin2bcd(tm.tm_min) << 8
@@ -184,7 +180,6 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 
         if (alrm->enabled) {
                 at91_rtc_write(AT91_RTC_SCCR, AT91_RTC_ALARM);
-                at91_rtc_imr |= AT91_RTC_ALARM;
                 at91_rtc_write(AT91_RTC_IER, AT91_RTC_ALARM);
         }
 
@@ -201,12 +196,9 @@ static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 
         if (enabled) {
                 at91_rtc_write(AT91_RTC_SCCR, AT91_RTC_ALARM);
-                at91_rtc_imr |= AT91_RTC_ALARM;
                 at91_rtc_write(AT91_RTC_IER, AT91_RTC_ALARM);
-        } else {
+        } else
                 at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ALARM);
-                at91_rtc_imr &= ~AT91_RTC_ALARM;
-        }
 
         return 0;
 }
@@ -215,10 +207,12 @@ static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
  */
 static int at91_rtc_proc(struct device *dev, struct seq_file *seq)
 {
+        unsigned long imr = at91_rtc_read(AT91_RTC_IMR);
+
         seq_printf(seq, "update_IRQ\t: %s\n",
-                        (at91_rtc_imr & AT91_RTC_ACKUPD) ? "yes" : "no");
+                        (imr & AT91_RTC_ACKUPD) ? "yes" : "no");
         seq_printf(seq, "periodic_IRQ\t: %s\n",
-                        (at91_rtc_imr & AT91_RTC_SECEV) ? "yes" : "no");
+                        (imr & AT91_RTC_SECEV) ? "yes" : "no");
 
         return 0;
 }
@@ -233,7 +227,7 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id)
         unsigned int rtsr;
         unsigned long events = 0;
 
-        rtsr = at91_rtc_read(AT91_RTC_SR) & at91_rtc_imr;
+        rtsr = at91_rtc_read(AT91_RTC_SR) & at91_rtc_read(AT91_RTC_IMR);
         if (rtsr) {             /* this interrupt is shared!  Is it ours? */
                 if (rtsr & AT91_RTC_ALARM)
                         events |= (RTC_AF | RTC_IRQF);
@@ -297,7 +291,6 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
         at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM |
                                         AT91_RTC_SECEV | AT91_RTC_TIMEV |
                                         AT91_RTC_CALEV);
-        at91_rtc_imr = 0;
 
         ret = request_irq(irq, at91_rtc_interrupt,
                                 IRQF_SHARED,
@@ -336,7 +329,6 @@ static int __exit at91_rtc_remove(struct platform_device *pdev)
         at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM |
                                         AT91_RTC_SECEV | AT91_RTC_TIMEV |
                                         AT91_RTC_CALEV);
-        at91_rtc_imr = 0;
         free_irq(irq, pdev);
 
         rtc_device_unregister(rtc);
@@ -349,35 +341,31 @@ static int __exit at91_rtc_remove(struct platform_device *pdev)
 
 /* AT91RM9200 RTC Power management control */
 
-static u32 at91_rtc_bkpimr;
-
+static u32 at91_rtc_imr;
 
 static int at91_rtc_suspend(struct device *dev)
 {
         /* this IRQ is shared with DBGU and other hardware which isn't
          * necessarily doing PM like we are...
          */
-        at91_rtc_bkpimr = at91_rtc_imr & (AT91_RTC_ALARM|AT91_RTC_SECEV);
-        if (at91_rtc_bkpimr) {
-                if (device_may_wakeup(dev)) {
+        at91_rtc_imr = at91_rtc_read(AT91_RTC_IMR)
+                        & (AT91_RTC_ALARM|AT91_RTC_SECEV);
+        if (at91_rtc_imr) {
+                if (device_may_wakeup(dev))
                         enable_irq_wake(irq);
-                } else {
-                        at91_rtc_write(AT91_RTC_IDR, at91_rtc_bkpimr);
-                        at91_rtc_imr &= ~at91_rtc_bkpimr;
-                }
-}
+                else
+                        at91_rtc_write(AT91_RTC_IDR, at91_rtc_imr);
+        }
         return 0;
 }
 
 static int at91_rtc_resume(struct device *dev)
 {
-        if (at91_rtc_bkpimr) {
-                if (device_may_wakeup(dev)) {
+        if (at91_rtc_imr) {
+                if (device_may_wakeup(dev))
                         disable_irq_wake(irq);
-                } else {
-                        at91_rtc_imr |= at91_rtc_bkpimr;
-                        at91_rtc_write(AT91_RTC_IER, at91_rtc_bkpimr);
-                }
+                else
+                        at91_rtc_write(AT91_RTC_IER, at91_rtc_imr);
         }
         return 0;
 }
diff --git a/drivers/rtc/rtc-at91rm9200.h b/drivers/rtc/rtc-at91rm9200.h
index 5f940b6844cb..da1945e5f714 100644
--- a/drivers/rtc/rtc-at91rm9200.h
+++ b/drivers/rtc/rtc-at91rm9200.h
@@ -64,6 +64,7 @@
 #define AT91_RTC_SCCR           0x1c                    /* Status Clear Command Register */
 #define AT91_RTC_IER            0x20                    /* Interrupt Enable Register */
 #define AT91_RTC_IDR            0x24                    /* Interrupt Disable Register */
+#define AT91_RTC_IMR            0x28                    /* Interrupt Mask Register */
 
 #define AT91_RTC_VER            0x2c                    /* Valid Entry Register */
 #define         AT91_RTC_NVTIM          (1 <<  0)               /* Non valid Time */
diff --git a/drivers/s390/block/scm_blk.c b/drivers/s390/block/scm_blk.c
index 5ac9c935c151..e9b9c8392832 100644
--- a/drivers/s390/block/scm_blk.c
+++ b/drivers/s390/block/scm_blk.c
@@ -307,7 +307,7 @@ static void scm_blk_handle_error(struct scm_request *scmrq)
         case EQC_WR_PROHIBIT:
                 spin_lock_irqsave(&bdev->lock, flags);
                 if (bdev->state != SCM_WR_PROHIBIT)
-                        pr_info("%lu: Write access to the SCM increment is suspended\n",
+                        pr_info("%lx: Write access to the SCM increment is suspended\n",
                                 (unsigned long) bdev->scmdev->address);
                 bdev->state = SCM_WR_PROHIBIT;
                 spin_unlock_irqrestore(&bdev->lock, flags);
@@ -445,7 +445,7 @@ void scm_blk_set_available(struct scm_blk_dev *bdev)
 
         spin_lock_irqsave(&bdev->lock, flags);
         if (bdev->state == SCM_WR_PROHIBIT)
-                pr_info("%lu: Write access to the SCM increment is restored\n",
+                pr_info("%lx: Write access to the SCM increment is restored\n",
                         (unsigned long) bdev->scmdev->address);
         bdev->state = SCM_OPER;
         spin_unlock_irqrestore(&bdev->lock, flags);
@@ -463,12 +463,15 @@ static int __init scm_blk_init(void)
                 goto out;
 
         scm_major = ret;
-        if (scm_alloc_rqs(nr_requests))
+        ret = scm_alloc_rqs(nr_requests);
+        if (ret)
                 goto out_unreg;
 
         scm_debug = debug_register("scm_log", 16, 1, 16);
-        if (!scm_debug)
+        if (!scm_debug) {
+                ret = -ENOMEM;
                 goto out_free;
+        }
 
         debug_register_view(scm_debug, &debug_hex_ascii_view);
         debug_set_level(scm_debug, 2);
diff --git a/drivers/s390/block/scm_drv.c b/drivers/s390/block/scm_drv.c
index 5f6180d6ff08..c98cf52d78d1 100644
--- a/drivers/s390/block/scm_drv.c
+++ b/drivers/s390/block/scm_drv.c
@@ -19,7 +19,7 @@ static void scm_notify(struct scm_device *scmdev, enum scm_event event)
 
         switch (event) {
         case SCM_CHANGE:
-                pr_info("%lu: The capabilities of the SCM increment changed\n",
+                pr_info("%lx: The capabilities of the SCM increment changed\n",
                         (unsigned long) scmdev->address);
                 SCM_LOG(2, "State changed");
                 SCM_LOG_STATE(2, scmdev);
diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c
index b907dba24025..cee69dac3e18 100644
--- a/drivers/s390/char/tty3270.c
+++ b/drivers/s390/char/tty3270.c
@@ -915,7 +915,7 @@ static int tty3270_install(struct tty_driver *driver, struct tty_struct *tty)
         int i, rc;
 
         /* Check if the tty3270 is already there. */
-        view = raw3270_find_view(&tty3270_fn, tty->index);
+        view = raw3270_find_view(&tty3270_fn, tty->index + RAW3270_FIRSTMINOR);
         if (!IS_ERR(view)) {
                 tp = container_of(view, struct tty3270, view);
                 tty->driver_data = tp;
@@ -927,15 +927,16 @@ static int tty3270_install(struct tty_driver *driver, struct tty_struct *tty)
                 tp->inattr = TF_INPUT;
                 return tty_port_install(&tp->port, driver, tty);
         }
-        if (tty3270_max_index < tty->index)
-                tty3270_max_index = tty->index;
+        if (tty3270_max_index < tty->index + 1)
+                tty3270_max_index = tty->index + 1;
 
         /* Allocate tty3270 structure on first open. */
         tp = tty3270_alloc_view();
         if (IS_ERR(tp))
                 return PTR_ERR(tp);
 
-        rc = raw3270_add_view(&tp->view, &tty3270_fn, tty->index);
+        rc = raw3270_add_view(&tp->view, &tty3270_fn,
+                              tty->index + RAW3270_FIRSTMINOR);
         if (rc) {
                 tty3270_free_view(tp);
                 return rc;
@@ -1846,12 +1847,12 @@ static const struct tty_operations tty3270_ops = {
 
 void tty3270_create_cb(int minor)
 {
-        tty_register_device(tty3270_driver, minor, NULL);
+        tty_register_device(tty3270_driver, minor - RAW3270_FIRSTMINOR, NULL);
 }
 
 void tty3270_destroy_cb(int minor)
 {
-        tty_unregister_device(tty3270_driver, minor);
+        tty_unregister_device(tty3270_driver, minor - RAW3270_FIRSTMINOR);
 }
 
 struct raw3270_notifier tty3270_notifier =
@@ -1884,7 +1885,8 @@ static int __init tty3270_init(void)
         driver->driver_name = "tty3270";
         driver->name = "3270/tty";
         driver->major = IBM_TTY3270_MAJOR;
-        driver->minor_start = 0;
+        driver->minor_start = RAW3270_FIRSTMINOR;
+        driver->name_base = RAW3270_FIRSTMINOR;
         driver->type = TTY_DRIVER_TYPE_SYSTEM;
         driver->subtype = SYSTEM_TYPE_TTY;
         driver->init_termios = tty_std_termios;
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 8c0622399fcd..6ccb7457746b 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -769,6 +769,7 @@ struct qeth_card {
         unsigned long thread_start_mask;
         unsigned long thread_allowed_mask;
         unsigned long thread_running_mask;
+        struct task_struct *recovery_task;
         spinlock_t ip_lock;
         struct list_head ip_list;
         struct list_head *ip_tbd_list;
@@ -862,6 +863,8 @@ extern struct qeth_card_list_struct qeth_core_card_list;
 extern struct kmem_cache *qeth_core_header_cache;
 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
 
+void qeth_set_recovery_task(struct qeth_card *);
+void qeth_clear_recovery_task(struct qeth_card *);
 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
 int qeth_threads_running(struct qeth_card *, unsigned long);
 int qeth_wait_for_threads(struct qeth_card *, unsigned long);
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 0d73a999983d..451f92020599 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -177,6 +177,23 @@ const char *qeth_get_cardname_short(struct qeth_card *card)
         return "n/a";
 }
 
+void qeth_set_recovery_task(struct qeth_card *card)
+{
+        card->recovery_task = current;
+}
+EXPORT_SYMBOL_GPL(qeth_set_recovery_task);
+
+void qeth_clear_recovery_task(struct qeth_card *card)
+{
+        card->recovery_task = NULL;
+}
+EXPORT_SYMBOL_GPL(qeth_clear_recovery_task);
+
+static bool qeth_is_recovery_task(const struct qeth_card *card)
+{
+        return card->recovery_task == current;
+}
+
 void qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
                          int clear_start_mask)
 {
@@ -205,6 +222,8 @@ EXPORT_SYMBOL_GPL(qeth_threads_running);
 
 int qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
 {
+        if (qeth_is_recovery_task(card))
+                return 0;
         return wait_event_interruptible(card->wait_q,
                         qeth_threads_running(card, threads) == 0);
 }
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index d690166efeaf..155b101bd730 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -1143,6 +1143,7 @@ static int qeth_l2_recover(void *ptr)
         QETH_CARD_TEXT(card, 2, "recover2");
         dev_warn(&card->gdev->dev,
                 "A recovery process has been started for the device\n");
+        qeth_set_recovery_task(card);
         __qeth_l2_set_offline(card->gdev, 1);
         rc = __qeth_l2_set_online(card->gdev, 1);
         if (!rc)
@@ -1153,6 +1154,7 @@ static int qeth_l2_recover(void *ptr)
                 dev_warn(&card->gdev->dev, "The qeth device driver "
                                 "failed to recover an error on the device\n");
         }
+        qeth_clear_recovery_task(card);
         qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
         qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
         return 0;
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 8710337dab3e..1f7edf1b26c3 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -3515,6 +3515,7 @@ static int qeth_l3_recover(void *ptr)
         QETH_CARD_TEXT(card, 2, "recover2");
         dev_warn(&card->gdev->dev,
                 "A recovery process has been started for the device\n");
+        qeth_set_recovery_task(card);
         __qeth_l3_set_offline(card->gdev, 1);
         rc = __qeth_l3_set_online(card->gdev, 1);
         if (!rc)
@@ -3525,6 +3526,7 @@ static int qeth_l3_recover(void *ptr)
                 dev_warn(&card->gdev->dev, "The qeth device driver "
                                 "failed to recover an error on the device\n");
         }
+        qeth_clear_recovery_task(card);
         qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
         qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
         return 0;
diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c
index 1a9d1e3ce64c..c1441ed282eb 100644
--- a/drivers/sbus/char/bbc_i2c.c
+++ b/drivers/sbus/char/bbc_i2c.c
@@ -282,7 +282,7 @@ static irqreturn_t bbc_i2c_interrupt(int irq, void *dev_id)
         return IRQ_HANDLED;
 }
 
-static void __init reset_one_i2c(struct bbc_i2c_bus *bp)
+static void reset_one_i2c(struct bbc_i2c_bus *bp)
 {
         writeb(I2C_PCF_PIN, bp->i2c_control_regs + 0x0);
         writeb(bp->own, bp->i2c_control_regs + 0x1);
@@ -291,7 +291,7 @@ static void __init reset_one_i2c(struct bbc_i2c_bus *bp)
         writeb(I2C_PCF_IDLE, bp->i2c_control_regs + 0x0);
 }
 
-static struct bbc_i2c_bus * __init attach_one_i2c(struct platform_device *op, int index)
+static struct bbc_i2c_bus * attach_one_i2c(struct platform_device *op, int index)
 {
         struct bbc_i2c_bus *bp;
         struct device_node *dp;
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index 2daf4b0da434..90bc7bd00966 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -940,6 +940,7 @@ static int bnx2fc_libfc_config(struct fc_lport *lport)
         fc_exch_init(lport);
         fc_rport_init(lport);
         fc_disc_init(lport);
+        fc_disc_config(lport, lport);
         return 0;
 }
 
@@ -2133,6 +2134,7 @@ static int _bnx2fc_create(struct net_device *netdev,
         }
 
         ctlr = bnx2fc_to_ctlr(interface);
+        cdev = fcoe_ctlr_to_ctlr_dev(ctlr);
         interface->vlan_id = vlan_id;
 
         interface->timer_work_queue =
@@ -2143,7 +2145,7 @@ static int _bnx2fc_create(struct net_device *netdev,
                 goto ifput_err;
         }
 
-        lport = bnx2fc_if_create(interface, &interface->hba->pcidev->dev, 0);
+        lport = bnx2fc_if_create(interface, &cdev->dev, 0);
         if (!lport) {
                 printk(KERN_ERR PFX "Failed to create interface (%s)\n",
                         netdev->name);
@@ -2159,8 +2161,6 @@ static int _bnx2fc_create(struct net_device *netdev,
         /* Make this master N_port */
         ctlr->lp = lport;
 
-        cdev = fcoe_ctlr_to_ctlr_dev(ctlr);
-
         if (link_state == BNX2FC_CREATE_LINK_UP)
                 cdev->enabled = FCOE_CTLR_ENABLED;
         else
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index b5d92fc93c70..9bfdc9a3f897 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -490,7 +490,6 @@ static void fcoe_interface_cleanup(struct fcoe_interface *fcoe)
 {
         struct net_device *netdev = fcoe->netdev;
         struct fcoe_ctlr *fip = fcoe_to_ctlr(fcoe);
-        struct fcoe_ctlr_device *ctlr_dev = fcoe_ctlr_to_ctlr_dev(fip);
 
         rtnl_lock();
         if (!fcoe->removed)
@@ -501,7 +500,6 @@ static void fcoe_interface_cleanup(struct fcoe_interface *fcoe)
         /* tear-down the FCoE controller */
         fcoe_ctlr_destroy(fip);
         scsi_host_put(fip->lp->host);
-        fcoe_ctlr_device_delete(ctlr_dev);
         dev_put(netdev);
         module_put(THIS_MODULE);
 }
@@ -2194,6 +2192,8 @@ out_nodev:
  */
 static void fcoe_destroy_work(struct work_struct *work)
 {
+        struct fcoe_ctlr_device *cdev;
+        struct fcoe_ctlr *ctlr;
         struct fcoe_port *port;
         struct fcoe_interface *fcoe;
         struct Scsi_Host *shost;
@@ -2224,10 +2224,15 @@ static void fcoe_destroy_work(struct work_struct *work)
         mutex_lock(&fcoe_config_mutex);
 
         fcoe = port->priv;
+        ctlr = fcoe_to_ctlr(fcoe);
+        cdev = fcoe_ctlr_to_ctlr_dev(ctlr);
+
         fcoe_if_destroy(port->lport);
         fcoe_interface_cleanup(fcoe);
 
         mutex_unlock(&fcoe_config_mutex);
+
+        fcoe_ctlr_device_delete(cdev);
 }
 
 /**
@@ -2335,7 +2340,9 @@ static int _fcoe_create(struct net_device *netdev, enum fip_state fip_mode,
                 rc = -EIO;
                 rtnl_unlock();
                 fcoe_interface_cleanup(fcoe);
-                goto out_nortnl;
+                mutex_unlock(&fcoe_config_mutex);
+                fcoe_ctlr_device_delete(ctlr_dev);
+                goto out;
         }
 
         /* Make this the "master" N_Port */
@@ -2375,8 +2382,8 @@ static int _fcoe_create(struct net_device *netdev, enum fip_state fip_mode,
 
 out_nodev:
         rtnl_unlock();
-out_nortnl:
         mutex_unlock(&fcoe_config_mutex);
+out:
         return rc;
 }
 
diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c
index 08c3bc398da2..a76247201be5 100644
--- a/drivers/scsi/fcoe/fcoe_ctlr.c
+++ b/drivers/scsi/fcoe/fcoe_ctlr.c
@@ -2815,6 +2815,47 @@ unlock:
 }
 
 /**
+ * fcoe_ctlr_mode_set() - Set or reset the ctlr's mode
+ * @lport: The local port to be (re)configured
+ * @fip:   The FCoE controller whose mode is changing
+ * @fip_mode: The new fip mode
+ *
+ * Note that the we shouldn't be changing the libfc discovery settings
+ * (fc_disc_config) while an lport is going through the libfc state
+ * machine. The mode can only be changed when a fcoe_ctlr device is
+ * disabled, so that should ensure that this routine is only called
+ * when nothing is happening.
+ */
+void fcoe_ctlr_mode_set(struct fc_lport *lport, struct fcoe_ctlr *fip,
+                        enum fip_state fip_mode)
+{
+        void *priv;
+
+        WARN_ON(lport->state != LPORT_ST_RESET &&
+                lport->state != LPORT_ST_DISABLED);
+
+        if (fip_mode == FIP_MODE_VN2VN) {
+                lport->rport_priv_size = sizeof(struct fcoe_rport);
+                lport->point_to_multipoint = 1;
+                lport->tt.disc_recv_req = fcoe_ctlr_disc_recv;
+                lport->tt.disc_start = fcoe_ctlr_disc_start;
+                lport->tt.disc_stop = fcoe_ctlr_disc_stop;
+                lport->tt.disc_stop_final = fcoe_ctlr_disc_stop_final;
+                priv = fip;
+        } else {
+                lport->rport_priv_size = 0;
+                lport->point_to_multipoint = 0;
+                lport->tt.disc_recv_req = NULL;
+                lport->tt.disc_start = NULL;
+                lport->tt.disc_stop = NULL;
+                lport->tt.disc_stop_final = NULL;
+                priv = lport;
+        }
+
+        fc_disc_config(lport, priv);
+}
+
+/**
  * fcoe_libfc_config() - Sets up libfc related properties for local port
  * @lport:    The local port to configure libfc for
  * @fip:      The FCoE controller in use by the local port
@@ -2833,21 +2874,9 @@ int fcoe_libfc_config(struct fc_lport *lport, struct fcoe_ctlr *fip,
         fc_exch_init(lport);
         fc_elsct_init(lport);
         fc_lport_init(lport);
-        if (fip->mode == FIP_MODE_VN2VN)
-                lport->rport_priv_size = sizeof(struct fcoe_rport);
         fc_rport_init(lport);
-        if (fip->mode == FIP_MODE_VN2VN) {
-                lport->point_to_multipoint = 1;
-                lport->tt.disc_recv_req = fcoe_ctlr_disc_recv;
-                lport->tt.disc_start = fcoe_ctlr_disc_start;
-                lport->tt.disc_stop = fcoe_ctlr_disc_stop;
-                lport->tt.disc_stop_final = fcoe_ctlr_disc_stop_final;
-                mutex_init(&lport->disc.disc_mutex);
-                INIT_LIST_HEAD(&lport->disc.rports);
-                lport->disc.priv = fip;
-        } else {
-                fc_disc_init(lport);
-        }
+        fc_disc_init(lport);
+        fcoe_ctlr_mode_set(lport, fip, fip->mode);
         return 0;
 }
 EXPORT_SYMBOL_GPL(fcoe_libfc_config);
@@ -2875,6 +2904,7 @@ EXPORT_SYMBOL(fcoe_fcf_get_selected);
 void fcoe_ctlr_set_fip_mode(struct fcoe_ctlr_device *ctlr_dev)
 {
         struct fcoe_ctlr *ctlr = fcoe_ctlr_device_priv(ctlr_dev);
+        struct fc_lport *lport = ctlr->lp;
 
         mutex_lock(&ctlr->ctlr_mutex);
         switch (ctlr_dev->mode) {
@@ -2888,5 +2918,7 @@ void fcoe_ctlr_set_fip_mode(struct fcoe_ctlr_device *ctlr_dev)
         }
 
         mutex_unlock(&ctlr->ctlr_mutex);
+
+        fcoe_ctlr_mode_set(lport, ctlr, ctlr->mode);
 }
 EXPORT_SYMBOL(fcoe_ctlr_set_fip_mode);
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index a044f593e8b9..d0fa4b6c551f 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -1899,8 +1899,8 @@ static int ibmvscsi_slave_configure(struct scsi_device *sdev)
                 sdev->allow_restart = 1;
                 blk_queue_rq_timeout(sdev->request_queue, 120 * HZ);
         }
-        scsi_adjust_queue_depth(sdev, 0, shost->cmd_per_lun);
         spin_unlock_irqrestore(shost->host_lock, lock_flags);
+        scsi_adjust_queue_depth(sdev, 0, shost->cmd_per_lun);
         return 0;
 }
 
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index f328089a1060..2197b57fb225 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -5148,7 +5148,7 @@ static int ipr_cancel_op(struct scsi_cmnd *scsi_cmd)
                 ipr_trace;
         }
 
-        list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_free_q);
+        list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q);
         if (!ipr_is_naca_model(res))
                 res->needs_sync_complete = 1;
 
@@ -9349,7 +9349,10 @@ static int ipr_test_msi(struct ipr_ioa_cfg *ioa_cfg, struct pci_dev *pdev)
         int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
         spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
 
-        rc = request_irq(pdev->irq, ipr_test_intr, 0, IPR_NAME, ioa_cfg);
+        if (ioa_cfg->intr_flag == IPR_USE_MSIX)
+                rc = request_irq(ioa_cfg->vectors_info[0].vec, ipr_test_intr, 0, IPR_NAME, ioa_cfg);
+        else
+                rc = request_irq(pdev->irq, ipr_test_intr, 0, IPR_NAME, ioa_cfg);
         if (rc) {
                 dev_err(&pdev->dev, "Can not assign irq %d\n", pdev->irq);
                 return rc;
@@ -9371,7 +9374,10 @@ static int ipr_test_msi(struct ipr_ioa_cfg *ioa_cfg, struct pci_dev *pdev)
 
         spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
 
-        free_irq(pdev->irq, ioa_cfg);
+        if (ioa_cfg->intr_flag == IPR_USE_MSIX)
+                free_irq(ioa_cfg->vectors_info[0].vec, ioa_cfg);
+        else
+                free_irq(pdev->irq, ioa_cfg);
 
         LEAVE;
 
@@ -9722,6 +9728,7 @@ static void __ipr_remove(struct pci_dev *pdev)
         spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags);
         wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload);
         flush_work(&ioa_cfg->work_q);
+        INIT_LIST_HEAD(&ioa_cfg->used_res_q);
         spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags);
 
         spin_lock(&ipr_driver_lock);
diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c
index 8e561e6a557c..880a9068ca12 100644
--- a/drivers/scsi/libfc/fc_disc.c
+++ b/drivers/scsi/libfc/fc_disc.c
@@ -712,12 +712,13 @@ static void fc_disc_stop_final(struct fc_lport *lport)
 }
 
 /**
- * fc_disc_init() - Initialize the discovery layer for a local port
- * @lport: The local port that needs the discovery layer to be initialized
+ * fc_disc_config() - Configure the discovery layer for a local port
+ * @lport: The local port that needs the discovery layer to be configured
+ * @priv: Private data structre for users of the discovery layer
  */
-int fc_disc_init(struct fc_lport *lport)
+void fc_disc_config(struct fc_lport *lport, void *priv)
 {
-        struct fc_disc *disc;
+        struct fc_disc *disc = &lport->disc;
 
         if (!lport->tt.disc_start)
                 lport->tt.disc_start = fc_disc_start;
@@ -732,12 +733,21 @@ int fc_disc_init(struct fc_lport *lport)
                 lport->tt.disc_recv_req = fc_disc_recv_req;
 
         disc = &lport->disc;
+
+        disc->priv = priv;
+}
+EXPORT_SYMBOL(fc_disc_config);
+
+/**
+ * fc_disc_init() - Initialize the discovery layer for a local port
+ * @lport: The local port that needs the discovery layer to be initialized
+ */
+void fc_disc_init(struct fc_lport *lport)
+{
+        struct fc_disc *disc = &lport->disc;
+
         INIT_DELAYED_WORK(&disc->disc_work, fc_disc_timeout);
         mutex_init(&disc->disc_mutex);
         INIT_LIST_HEAD(&disc->rports);
-
-        disc->priv = lport;
-
-        return 0;
 }
 EXPORT_SYMBOL(fc_disc_init);
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index aec2e0da5016..55cbd0180159 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -235,6 +235,17 @@ static void sas_set_ex_phy(struct domain_device *dev, int phy_id, void *rsp)
         linkrate  = phy->linkrate;
         memcpy(sas_addr, phy->attached_sas_addr, SAS_ADDR_SIZE);
 
+        /* Handle vacant phy - rest of dr data is not valid so skip it */
+        if (phy->phy_state == PHY_VACANT) {
+                memset(phy->attached_sas_addr, 0, SAS_ADDR_SIZE);
+                phy->attached_dev_type = NO_DEVICE;
+                if (!test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state)) {
+                        phy->phy_id = phy_id;
+                        goto skip;
+                } else
+                        goto out;
+        }
+
         phy->attached_dev_type = to_dev_type(dr);
         if (test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state))
                 goto out;
@@ -272,6 +283,7 @@ static void sas_set_ex_phy(struct domain_device *dev, int phy_id, void *rsp)
         phy->phy->maximum_linkrate = dr->pmax_linkrate;
         phy->phy->negotiated_linkrate = phy->linkrate;
 
+ skip:
         if (new_phy)
                 if (sas_phy_add(phy->phy)) {
                         sas_phy_free(phy->phy);
@@ -388,7 +400,7 @@ int sas_ex_phy_discover(struct domain_device *dev, int single)
         if (!disc_req)
                 return -ENOMEM;
 
-        disc_resp = alloc_smp_req(DISCOVER_RESP_SIZE);
+        disc_resp = alloc_smp_resp(DISCOVER_RESP_SIZE);
         if (!disc_resp) {
                 kfree(disc_req);
                 return -ENOMEM;
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 74b67d98e952..d43faf34c1e2 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -438,11 +438,12 @@ lpfc_sli4_rq_put(struct lpfc_queue *hq, struct lpfc_queue *dq,
         struct lpfc_rqe *temp_hrqe;
         struct lpfc_rqe *temp_drqe;
         struct lpfc_register doorbell;
-        int put_index = hq->host_index;
+        int put_index;
 
         /* sanity check on queue memory */
         if (unlikely(!hq) || unlikely(!dq))
                 return -ENOMEM;
+        put_index = hq->host_index;
         temp_hrqe = hq->qe[hq->host_index].rqe;
         temp_drqe = dq->qe[dq->host_index].rqe;
 
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 1d82eef4e1eb..b3db9dcc2619 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1938,11 +1938,6 @@ qla24xx_vport_delete(struct fc_vport *fc_vport)
                     "Timer for the VP[%d] has stopped\n", vha->vp_idx);
         }
 
-        /* No pending activities shall be there on the vha now */
-        if (ql2xextended_error_logging & ql_dbg_user)
-                msleep(random32()%10);  /* Just to see if something falls on
-                                        * the net we have placed below */
-
         BUG_ON(atomic_read(&vha->vref_count));
 
         qla2x00_free_fcports(vha);
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index 1626de52e32a..fbc305f1c87c 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -15,6 +15,7 @@
  * | Mailbox commands             |       0x115b       | 0x111a-0x111b  |
  * |                              |                    | 0x112c-0x112e  |
  * |                              |                    | 0x113a         |
+ * |                              |                    | 0x1155-0x1158  |
  * | Device Discovery             |       0x2087       | 0x2020-0x2022, |
  * |                              |                    | 0x2016         |
  * | Queue Command and IO tracing |       0x3031       | 0x3006-0x300b  |
@@ -401,7 +402,7 @@ qla2xxx_copy_atioqueues(struct qla_hw_data *ha, void *ptr,
                 void *ring;
         } aq, *aqp;
 
-        if (!ha->tgt.atio_q_length)
+        if (!ha->tgt.atio_ring)
                 return ptr;
 
         num_queues = 1;
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index c6509911772b..65c5ff75936b 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -863,7 +863,6 @@ typedef struct {
 #define MBX_1           BIT_1
 #define MBX_0           BIT_0
 
-#define RNID_TYPE_SET_VERSION   0x9
 #define RNID_TYPE_ASIC_TEMP     0xC
 
 /*
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index eb3ca21a7f17..b310fa97b545 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -358,9 +358,6 @@ extern int
 qla2x00_disable_fce_trace(scsi_qla_host_t *, uint64_t *, uint64_t *);
 
 extern int
-qla2x00_set_driver_version(scsi_qla_host_t *, char *);
-
-extern int
 qla2x00_read_sfp(scsi_qla_host_t *, dma_addr_t, uint8_t *,
         uint16_t, uint16_t, uint16_t, uint16_t);
 
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index edf4d14a1335..b59203393cb2 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -619,8 +619,6 @@ qla2x00_initialize_adapter(scsi_qla_host_t *vha)
         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
                 qla24xx_read_fcp_prio_cfg(vha);
 
-        qla2x00_set_driver_version(vha, QLA2XXX_VERSION);
-
         return (rval);
 }
 
@@ -1399,7 +1397,7 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
                         mq_size += ha->max_rsp_queues *
                             (rsp->length * sizeof(response_t));
                 }
-                if (ha->tgt.atio_q_length)
+                if (ha->tgt.atio_ring)
                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
                 /* Allocate memory for Fibre Channel Event Buffer. */
                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha))
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 186dd59ce4fa..43345af56431 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -3866,64 +3866,6 @@ qla81xx_restart_mpi_firmware(scsi_qla_host_t *vha)
         return rval;
 }
 
-int
-qla2x00_set_driver_version(scsi_qla_host_t *vha, char *version)
-{
-        int rval;
-        mbx_cmd_t mc;
-        mbx_cmd_t *mcp = &mc;
-        int len;
-        uint16_t dwlen;
-        uint8_t *str;
-        dma_addr_t str_dma;
-        struct qla_hw_data *ha = vha->hw;
-
-        if (!IS_FWI2_CAPABLE(ha) || IS_QLA82XX(ha))
-                return QLA_FUNCTION_FAILED;
-
-        ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1155,
-            "Entered %s.\n", __func__);
-
-        str = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &str_dma);
-        if (!str) {
-                ql_log(ql_log_warn, vha, 0x1156,
-                    "Failed to allocate driver version param.\n");
-                return QLA_MEMORY_ALLOC_FAILED;
-        }
-
-        memcpy(str, "\x7\x3\x11\x0", 4);
-        dwlen = str[0];
-        len = dwlen * sizeof(uint32_t) - 4;
-        memset(str + 4, 0, len);
-        if (len > strlen(version))
-                len = strlen(version);
-        memcpy(str + 4, version, len);
-
-        mcp->mb[0] = MBC_SET_RNID_PARAMS;
-        mcp->mb[1] = RNID_TYPE_SET_VERSION << 8 | dwlen;
-        mcp->mb[2] = MSW(LSD(str_dma));
-        mcp->mb[3] = LSW(LSD(str_dma));
-        mcp->mb[6] = MSW(MSD(str_dma));
-        mcp->mb[7] = LSW(MSD(str_dma));
-        mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
-        mcp->in_mb = MBX_0;
-        mcp->tov = MBX_TOV_SECONDS;
-        mcp->flags = 0;
-        rval = qla2x00_mailbox_command(vha, mcp);
-
-        if (rval != QLA_SUCCESS) {
-                ql_dbg(ql_dbg_mbx, vha, 0x1157,
-                    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
-        } else {
-                ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1158,
-                    "Done %s.\n", __func__);
-        }
-
-        dma_pool_free(ha->s_dma_pool, str, str_dma);
-
-        return rval;
-}
-
 static int
 qla2x00_read_asic_temperature(scsi_qla_host_t *vha, uint16_t *temp)
 {
diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h
index 2b6e478d9e33..ec54036d1e12 100644
--- a/drivers/scsi/qla2xxx/qla_version.h
+++ b/drivers/scsi/qla2xxx/qla_version.h
@@ -7,7 +7,7 @@
 /*
  * Driver version
  */
-#define QLA2XXX_VERSION      "8.04.00.08-k"
+#define QLA2XXX_VERSION      "8.04.00.13-k"
 
 #define QLA_DRIVER_MAJOR_VER    8
 #define QLA_DRIVER_MINOR_VER    4
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 86974471af68..2a32036a9404 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -4112,6 +4112,10 @@ static int st_probe(struct device *dev)
         tpnt->disk = disk;
         disk->private_data = &tpnt->driver;
         disk->queue = SDp->request_queue;
+        /* SCSI tape doesn't register this gendisk via add_disk().  Manually
+         * take queue reference that release_disk() expects. */
+        if (!blk_get_queue(disk->queue))
+                goto out_put_disk;
         tpnt->driver = &st_template;
 
         tpnt->device = SDp;
@@ -4185,7 +4189,7 @@ static int st_probe(struct device *dev)
         idr_preload_end();
         if (error < 0) {
                 pr_warn("st: idr allocation failed: %d\n", error);
-                goto out_put_disk;
+                goto out_put_queue;
         }
         tpnt->index = error;
         sprintf(disk->disk_name, "st%d", tpnt->index);
@@ -4211,6 +4215,8 @@ out_remove_devs:
         spin_lock(&st_index_lock);
         idr_remove(&st_index_idr, tpnt->index);
         spin_unlock(&st_index_lock);
+out_put_queue:
+        blk_put_queue(disk->queue);
 out_put_disk:
         put_disk(disk);
         kfree(tpnt);
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index f80eee74a311..2be0de920d67 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -55,6 +55,7 @@ comment "SPI Master Controller Drivers"
 
 config SPI_ALTERA
         tristate "Altera SPI Controller"
+        depends on GENERIC_HARDIRQS
         select SPI_BITBANG
         help
           This is the driver for the Altera SPI Controller.
@@ -310,7 +311,7 @@ config SPI_PXA2XX_DMA
 
 config SPI_PXA2XX
         tristate "PXA2xx SSP SPI master"
-        depends on ARCH_PXA || PCI || ACPI
+        depends on (ARCH_PXA || PCI || ACPI) && GENERIC_HARDIRQS
         select PXA_SSP if ARCH_PXA
         help
           This enables using a PXA2xx or Sodaville SSP port as a SPI master
diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c
index 9578af782a77..d7df435d962e 100644
--- a/drivers/spi/spi-bcm63xx.c
+++ b/drivers/spi/spi-bcm63xx.c
@@ -152,7 +152,6 @@ static void bcm63xx_spi_setup_transfer(struct spi_device *spi,
 static int bcm63xx_spi_setup(struct spi_device *spi)
 {
         struct bcm63xx_spi *bs;
-        int ret;
 
         bs = spi_master_get_devdata(spi->master);
 
@@ -490,7 +489,7 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
         default:
                 dev_err(dev, "unsupported MSG_CTL width: %d\n",
                          bs->msg_ctl_width);
-                goto out_clk_disable;
+                goto out_err;
         }
 
         /* Initialize hardware */
diff --git a/drivers/spi/spi-mpc512x-psc.c b/drivers/spi/spi-mpc512x-psc.c
index 89480b281d74..3e490ee7f275 100644
--- a/drivers/spi/spi-mpc512x-psc.c
+++ b/drivers/spi/spi-mpc512x-psc.c
@@ -164,7 +164,7 @@ static int mpc512x_psc_spi_transfer_rxtx(struct spi_device *spi,
 
                 for (i = count; i > 0; i--) {
                         data = tx_buf ? *tx_buf++ : 0;
-                        if (len == EOFBYTE)
+                        if (len == EOFBYTE && t->cs_change)
                                 setbits32(&fifo->txcmd, MPC512x_PSC_FIFO_EOF);
                         out_8(&fifo->txdata_8, data);
                         len--;
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index 90b27a3508a6..810413883c79 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -1168,7 +1168,6 @@ static int pxa2xx_spi_probe(struct platform_device *pdev)
 
         master->dev.parent = &pdev->dev;
         master->dev.of_node = pdev->dev.of_node;
-        ACPI_HANDLE_SET(&master->dev, ACPI_HANDLE(&pdev->dev));
         /* the spi->mode bits understood by this driver: */
         master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LOOP;
 
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index e862ab8853aa..4188b2faac5c 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -994,25 +994,30 @@ static irqreturn_t s3c64xx_spi_irq(int irq, void *data)
 {
         struct s3c64xx_spi_driver_data *sdd = data;
         struct spi_master *spi = sdd->master;
-        unsigned int val;
+        unsigned int val, clr = 0;
 
-        val = readl(sdd->regs + S3C64XX_SPI_PENDING_CLR);
+        val = readl(sdd->regs + S3C64XX_SPI_STATUS);
 
-        val &= S3C64XX_SPI_PND_RX_OVERRUN_CLR |
-                S3C64XX_SPI_PND_RX_UNDERRUN_CLR |
-                S3C64XX_SPI_PND_TX_OVERRUN_CLR |
-                S3C64XX_SPI_PND_TX_UNDERRUN_CLR;
-
-        writel(val, sdd->regs + S3C64XX_SPI_PENDING_CLR);
-
-        if (val & S3C64XX_SPI_PND_RX_OVERRUN_CLR)
+        if (val & S3C64XX_SPI_ST_RX_OVERRUN_ERR) {
+                clr = S3C64XX_SPI_PND_RX_OVERRUN_CLR;
                 dev_err(&spi->dev, "RX overrun\n");
-        if (val & S3C64XX_SPI_PND_RX_UNDERRUN_CLR)
+        }
+        if (val & S3C64XX_SPI_ST_RX_UNDERRUN_ERR) {
+                clr |= S3C64XX_SPI_PND_RX_UNDERRUN_CLR;
                 dev_err(&spi->dev, "RX underrun\n");
-        if (val & S3C64XX_SPI_PND_TX_OVERRUN_CLR)
+        }
+        if (val & S3C64XX_SPI_ST_TX_OVERRUN_ERR) {
+                clr |= S3C64XX_SPI_PND_TX_OVERRUN_CLR;
                 dev_err(&spi->dev, "TX overrun\n");
-        if (val & S3C64XX_SPI_PND_TX_UNDERRUN_CLR)
+        }
+        if (val & S3C64XX_SPI_ST_TX_UNDERRUN_ERR) {
+                clr |= S3C64XX_SPI_PND_TX_UNDERRUN_CLR;
                 dev_err(&spi->dev, "TX underrun\n");
+        }
+
+        /* Clear the pending irq by setting and then clearing it */
+        writel(clr, sdd->regs + S3C64XX_SPI_PENDING_CLR);
+        writel(0, sdd->regs + S3C64XX_SPI_PENDING_CLR);
 
         return IRQ_HANDLED;
 }
@@ -1036,9 +1041,13 @@ static void s3c64xx_spi_hwinit(struct s3c64xx_spi_driver_data *sdd, int channel)
         writel(0, regs + S3C64XX_SPI_MODE_CFG);
         writel(0, regs + S3C64XX_SPI_PACKET_CNT);
 
-        /* Clear any irq pending bits */
-        writel(readl(regs + S3C64XX_SPI_PENDING_CLR),
-                                regs + S3C64XX_SPI_PENDING_CLR);
+        /* Clear any irq pending bits, should set and clear the bits */
+        val = S3C64XX_SPI_PND_RX_OVERRUN_CLR |
+                S3C64XX_SPI_PND_RX_UNDERRUN_CLR |
+                S3C64XX_SPI_PND_TX_OVERRUN_CLR |
+                S3C64XX_SPI_PND_TX_UNDERRUN_CLR;
+        writel(val, regs + S3C64XX_SPI_PENDING_CLR);
+        writel(0, regs + S3C64XX_SPI_PENDING_CLR);
 
         writel(0, regs + S3C64XX_SPI_SWAP_CFG);
 
diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c
index b8698b389ef3..a829563f4713 100644
--- a/drivers/spi/spi-tegra20-slink.c
+++ b/drivers/spi/spi-tegra20-slink.c
@@ -858,21 +858,6 @@ static int tegra_slink_setup(struct spi_device *spi)
         return 0;
 }
 
-static int tegra_slink_prepare_transfer(struct spi_master *master)
-{
-        struct tegra_slink_data *tspi = spi_master_get_devdata(master);
-
-        return pm_runtime_get_sync(tspi->dev);
-}
-
-static int tegra_slink_unprepare_transfer(struct spi_master *master)
-{
-        struct tegra_slink_data *tspi = spi_master_get_devdata(master);
-
-        pm_runtime_put(tspi->dev);
-        return 0;
-}
-
 static int tegra_slink_transfer_one_message(struct spi_master *master,
                         struct spi_message *msg)
 {
@@ -885,6 +870,12 @@ static int tegra_slink_transfer_one_message(struct spi_master *master,
 
         msg->status = 0;
         msg->actual_length = 0;
+        ret = pm_runtime_get_sync(tspi->dev);
+        if (ret < 0) {
+                dev_err(tspi->dev, "runtime get failed: %d\n", ret);
+                goto done;
+        }
+
         single_xfer = list_is_singular(&msg->transfers);
         list_for_each_entry(xfer, &msg->transfers, transfer_list) {
                 INIT_COMPLETION(tspi->xfer_completion);
@@ -921,6 +912,8 @@ static int tegra_slink_transfer_one_message(struct spi_master *master,
 exit:
         tegra_slink_writel(tspi, tspi->def_command_reg, SLINK_COMMAND);
         tegra_slink_writel(tspi, tspi->def_command2_reg, SLINK_COMMAND2);
+        pm_runtime_put(tspi->dev);
+done:
         msg->status = ret;
         spi_finalize_current_message(master);
         return ret;
@@ -1148,9 +1141,7 @@ static int tegra_slink_probe(struct platform_device *pdev)
         /* the spi->mode bits understood by this driver: */
         master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;
         master->setup = tegra_slink_setup;
-        master->prepare_transfer_hardware = tegra_slink_prepare_transfer;
         master->transfer_one_message = tegra_slink_transfer_one_message;
-        master->unprepare_transfer_hardware = tegra_slink_unprepare_transfer;
         master->num_chipselect = MAX_CHIP_SELECT;
         master->bus_num = -1;
 
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index f996c600eb8c..004b10f184d4 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -543,17 +543,16 @@ static void spi_pump_messages(struct kthread_work *work)
         /* Lock queue and check for queue work */
         spin_lock_irqsave(&master->queue_lock, flags);
         if (list_empty(&master->queue) || !master->running) {
-                if (master->busy && master->unprepare_transfer_hardware) {
-                        ret = master->unprepare_transfer_hardware(master);
-                        if (ret) {
-                                spin_unlock_irqrestore(&master->queue_lock, flags);
-                                dev_err(&master->dev,
-                                        "failed to unprepare transfer hardware\n");
-                                return;
-                        }
+                if (!master->busy) {
+                        spin_unlock_irqrestore(&master->queue_lock, flags);
+                        return;
                 }
                 master->busy = false;
                 spin_unlock_irqrestore(&master->queue_lock, flags);
+                if (master->unprepare_transfer_hardware &&
+                    master->unprepare_transfer_hardware(master))
+                        dev_err(&master->dev,
+                                "failed to unprepare transfer hardware\n");
                 return;
         }
 
@@ -984,7 +983,7 @@ static void acpi_register_spi_devices(struct spi_master *master)
         acpi_status status;
         acpi_handle handle;
 
-        handle = ACPI_HANDLE(&master->dev);
+        handle = ACPI_HANDLE(master->dev.parent);
         if (!handle)
                 return;
 
diff --git a/drivers/ssb/driver_chipcommon_pmu.c b/drivers/ssb/driver_chipcommon_pmu.c
index 4c0f6d883dd3..7b0bce936762 100644
--- a/drivers/ssb/driver_chipcommon_pmu.c
+++ b/drivers/ssb/driver_chipcommon_pmu.c
@@ -675,3 +675,32 @@ u32 ssb_pmu_get_controlclock(struct ssb_chipcommon *cc)
                 return 0;
         }
 }
+
+void ssb_pmu_spuravoid_pllupdate(struct ssb_chipcommon *cc, int spuravoid)
+{
+        u32 pmu_ctl = 0;
+
+        switch (cc->dev->bus->chip_id) {
+        case 0x4322:
+                ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL0, 0x11100070);
+                ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL1, 0x1014140a);
+                ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL5, 0x88888854);
+                if (spuravoid == 1)
+                        ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL2, 0x05201828);
+                else
+                        ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL2, 0x05001828);
+                pmu_ctl = SSB_CHIPCO_PMU_CTL_PLL_UPD;
+                break;
+        case 43222:
+                /* TODO: BCM43222 requires updating PLLs too */
+                return;
+        default:
+                ssb_printk(KERN_ERR PFX
+                           "Unknown spuravoidance settings for chip 0x%04X, not changing PLL\n",
+                           cc->dev->bus->chip_id);
+                return;
+        }
+
+        chipco_set32(cc, SSB_CHIPCO_PMU_CTL, pmu_ctl);
+}
+EXPORT_SYMBOL_GPL(ssb_pmu_spuravoid_pllupdate);
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index ff1c5ee352cb..cbe48ab41745 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -409,6 +409,7 @@ static inline int core_alua_state_standby(
         case REPORT_LUNS:
         case RECEIVE_DIAGNOSTIC:
         case SEND_DIAGNOSTIC:
+                return 0;
         case MAINTENANCE_IN:
                 switch (cdb[1] & 0x1f) {
                 case MI_REPORT_TARGET_PGS:
@@ -451,6 +452,7 @@ static inline int core_alua_state_unavailable(
         switch (cdb[0]) {
         case INQUIRY:
         case REPORT_LUNS:
+                return 0;
         case MAINTENANCE_IN:
                 switch (cdb[1] & 0x1f) {
                 case MI_REPORT_TARGET_PGS:
@@ -491,6 +493,7 @@ static inline int core_alua_state_transition(
         switch (cdb[0]) {
         case INQUIRY:
         case REPORT_LUNS:
+                return 0;
         case MAINTENANCE_IN:
                 switch (cdb[1] & 0x1f) {
                 case MI_REPORT_TARGET_PGS:
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c
index 484b6a3c9b03..302909ccf183 100644
--- a/drivers/tty/mxser.c
+++ b/drivers/tty/mxser.c
@@ -2643,9 +2643,9 @@ static int mxser_probe(struct pci_dev *pdev,
                                 mxvar_sdriver, brd->idx + i, &pdev->dev);
                 if (IS_ERR(tty_dev)) {
                         retval = PTR_ERR(tty_dev);
-                        for (i--; i >= 0; i--)
+                        for (; i > 0; i--)
                                 tty_unregister_device(mxvar_sdriver,
-                                        brd->idx + i);
+                                        brd->idx + i - 1);
                         goto err_relbrd;
                 }
         }
@@ -2751,9 +2751,9 @@ static int __init mxser_module_init(void)
                         tty_dev = tty_port_register_device(&brd->ports[i].port,
                                         mxvar_sdriver, brd->idx + i, NULL);
                         if (IS_ERR(tty_dev)) {
-                                for (i--; i >= 0; i--)
+                                for (; i > 0; i--)
                                         tty_unregister_device(mxvar_sdriver,
-                                                brd->idx + i);
+                                                brd->idx + i - 1);
                                 for (i = 0; i < brd->info->nports; i++)
                                         tty_port_destroy(&brd->ports[i].port);
                                 free_irq(brd->irq, brd);
diff --git a/drivers/tty/serial/8250/8250_pnp.c b/drivers/tty/serial/8250/8250_pnp.c
index b3455a970a1d..35d9ab95c5cb 100644
--- a/drivers/tty/serial/8250/8250_pnp.c
+++ b/drivers/tty/serial/8250/8250_pnp.c
@@ -429,7 +429,6 @@ serial_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
 {
         struct uart_8250_port uart;
         int ret, line, flags = dev_id->driver_data;
-        struct resource *res = NULL;
 
         if (flags & UNKNOWN_DEV) {
                 ret = serial_pnp_guess_board(dev);
@@ -440,12 +439,11 @@ serial_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
         memset(&uart, 0, sizeof(uart));
         if (pnp_irq_valid(dev, 0))
                 uart.port.irq = pnp_irq(dev, 0);
-        if ((flags & CIR_PORT) && pnp_port_valid(dev, 2))
-                res = pnp_get_resource(dev, IORESOURCE_IO, 2);
-        else if (pnp_port_valid(dev, 0))
-                res = pnp_get_resource(dev, IORESOURCE_IO, 0);
-        if (pnp_resource_enabled(res)) {
-                uart.port.iobase = res->start;
+        if ((flags & CIR_PORT) && pnp_port_valid(dev, 2)) {
+                uart.port.iobase = pnp_port_start(dev, 2);
+                uart.port.iotype = UPIO_PORT;
+        } else if (pnp_port_valid(dev, 0)) {
+                uart.port.iobase = pnp_port_start(dev, 0);
                 uart.port.iotype = UPIO_PORT;
         } else if (pnp_mem_valid(dev, 0)) {
                 uart.port.mapbase = pnp_mem_start(dev, 0);
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 4dc41408ecb7..30d4f7a783cd 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -886,6 +886,17 @@ serial_omap_set_termios(struct uart_port *port, struct ktermios *termios,
         serial_out(up, UART_MCR, up->mcr | UART_MCR_TCRTLR);
         /* FIFO ENABLE, DMA MODE */
 
+        up->scr |= OMAP_UART_SCR_RX_TRIG_GRANU1_MASK;
+        /*
+         * NOTE: Setting OMAP_UART_SCR_RX_TRIG_GRANU1_MASK
+         * sets Enables the granularity of 1 for TRIGGER RX
+         * level. Along with setting RX FIFO trigger level
+         * to 1 (as noted below, 16 characters) and TLR[3:0]
+         * to zero this will result RX FIFO threshold level
+         * to 1 character, instead of 16 as noted in comment
+         * below.
+         */
+
         /* Set receive FIFO threshold to 16 characters and
          * transmit FIFO threshold to 16 spaces
          */
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 05400acbc456..b0452688308c 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -941,6 +941,14 @@ void start_tty(struct tty_struct *tty)
 
 EXPORT_SYMBOL(start_tty);
 
+static void tty_update_time(struct timespec *time)
+{
+        unsigned long sec = get_seconds();
+        sec -= sec % 60;
+        if ((long)(sec - time->tv_sec) > 0)
+                time->tv_sec = sec;
+}
+
 /**
  *      tty_read        -       read method for tty device files
  *      @file: pointer to tty file
@@ -960,10 +968,11 @@ static ssize_t tty_read(struct file *file, char __user *buf, size_t count,
                         loff_t *ppos)
 {
         int i;
+        struct inode *inode = file_inode(file);
         struct tty_struct *tty = file_tty(file);
         struct tty_ldisc *ld;
 
-        if (tty_paranoia_check(tty, file_inode(file), "tty_read"))
+        if (tty_paranoia_check(tty, inode, "tty_read"))
                 return -EIO;
         if (!tty || (test_bit(TTY_IO_ERROR, &tty->flags)))
                 return -EIO;
@@ -977,6 +986,9 @@ static ssize_t tty_read(struct file *file, char __user *buf, size_t count,
                 i = -EIO;
         tty_ldisc_deref(ld);
 
+        if (i > 0)
+                tty_update_time(&inode->i_atime);
+
         return i;
 }
 
@@ -1077,8 +1089,10 @@ static inline ssize_t do_tty_write(
                         break;
                 cond_resched();
         }
-        if (written)
+        if (written) {
+                tty_update_time(&file_inode(file)->i_mtime);
                 ret = written;
+        }
 out:
         tty_write_unlock(tty);
         return ret;
diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c
index 797f9d514732..65d4e55552c6 100644
--- a/drivers/usb/core/port.c
+++ b/drivers/usb/core/port.c
@@ -67,7 +67,6 @@ static void usb_port_device_release(struct device *dev)
 {
         struct usb_port *port_dev = to_usb_port(dev);
 
-        dev_pm_qos_hide_flags(dev);
         kfree(port_dev);
 }
 
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 8189cb6a86af..7abc5c81af2c 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -346,6 +346,7 @@ static long vfio_pci_ioctl(void *device_data,
 
                 if (!(hdr.flags & VFIO_IRQ_SET_DATA_NONE)) {
                         size_t size;
+                        int max = vfio_pci_get_irq_count(vdev, hdr.index);
 
                         if (hdr.flags & VFIO_IRQ_SET_DATA_BOOL)
                                 size = sizeof(uint8_t);
@@ -355,7 +356,7 @@ static long vfio_pci_ioctl(void *device_data,
                                 return -EINVAL;
 
                         if (hdr.argsz - minsz < hdr.count * size ||
-                            hdr.count > vfio_pci_get_irq_count(vdev, hdr.index))
+                            hdr.start >= max || hdr.start + hdr.count > max)
                                 return -EINVAL;
 
                         data = memdup_user((void __user *)(arg + minsz),
diff --git a/drivers/vhost/tcm_vhost.c b/drivers/vhost/tcm_vhost.c
index 2968b4934659..957a0b98a5d9 100644
--- a/drivers/vhost/tcm_vhost.c
+++ b/drivers/vhost/tcm_vhost.c
@@ -74,9 +74,8 @@ enum {
 
 struct vhost_scsi {
         /* Protected by vhost_scsi->dev.mutex */
-        struct tcm_vhost_tpg *vs_tpg[VHOST_SCSI_MAX_TARGET];
+        struct tcm_vhost_tpg **vs_tpg;
         char vs_vhost_wwpn[TRANSPORT_IQN_LEN];
-        bool vs_endpoint;
 
         struct vhost_dev dev;
         struct vhost_virtqueue vqs[VHOST_SCSI_MAX_VQ];
@@ -579,9 +578,27 @@ static void tcm_vhost_submission_work(struct work_struct *work)
         }
 }
 
+static void vhost_scsi_send_bad_target(struct vhost_scsi *vs,
+        struct vhost_virtqueue *vq, int head, unsigned out)
+{
+        struct virtio_scsi_cmd_resp __user *resp;
+        struct virtio_scsi_cmd_resp rsp;
+        int ret;
+
+        memset(&rsp, 0, sizeof(rsp));
+        rsp.response = VIRTIO_SCSI_S_BAD_TARGET;
+        resp = vq->iov[out].iov_base;
+        ret = __copy_to_user(resp, &rsp, sizeof(rsp));
+        if (!ret)
+                vhost_add_used_and_signal(&vs->dev, vq, head, 0);
+        else
+                pr_err("Faulted on virtio_scsi_cmd_resp\n");
+}
+
 static void vhost_scsi_handle_vq(struct vhost_scsi *vs,
         struct vhost_virtqueue *vq)
 {
+        struct tcm_vhost_tpg **vs_tpg;
         struct virtio_scsi_cmd_req v_req;
         struct tcm_vhost_tpg *tv_tpg;
         struct tcm_vhost_cmd *tv_cmd;
@@ -590,8 +607,16 @@ static void vhost_scsi_handle_vq(struct vhost_scsi *vs,
         int head, ret;
         u8 target;
 
-        /* Must use ioctl VHOST_SCSI_SET_ENDPOINT */
-        if (unlikely(!vs->vs_endpoint))
+        /*
+         * We can handle the vq only after the endpoint is setup by calling the
+         * VHOST_SCSI_SET_ENDPOINT ioctl.
+         *
+         * TODO: Check that we are running from vhost_worker which acts
+         * as read-side critical section for vhost kind of RCU.
+         * See the comments in struct vhost_virtqueue in drivers/vhost/vhost.h
+         */
+        vs_tpg = rcu_dereference_check(vq->private_data, 1);
+        if (!vs_tpg)
                 return;
 
         mutex_lock(&vq->mutex);
@@ -661,23 +686,11 @@ static void vhost_scsi_handle_vq(struct vhost_scsi *vs,
 
                 /* Extract the tpgt */
                 target = v_req.lun[1];
-                tv_tpg = vs->vs_tpg[target];
+                tv_tpg = ACCESS_ONCE(vs_tpg[target]);
 
                 /* Target does not exist, fail the request */
                 if (unlikely(!tv_tpg)) {
-                        struct virtio_scsi_cmd_resp __user *resp;
-                        struct virtio_scsi_cmd_resp rsp;
-
-                        memset(&rsp, 0, sizeof(rsp));
-                        rsp.response = VIRTIO_SCSI_S_BAD_TARGET;
-                        resp = vq->iov[out].iov_base;
-                        ret = __copy_to_user(resp, &rsp, sizeof(rsp));
-                        if (!ret)
-                                vhost_add_used_and_signal(&vs->dev,
-                                                          vq, head, 0);
-                        else
-                                pr_err("Faulted on virtio_scsi_cmd_resp\n");
-
+                        vhost_scsi_send_bad_target(vs, vq, head, out);
                         continue;
                 }
 
@@ -690,22 +703,13 @@ static void vhost_scsi_handle_vq(struct vhost_scsi *vs,
                 if (IS_ERR(tv_cmd)) {
                         vq_err(vq, "vhost_scsi_allocate_cmd failed %ld\n",
                                         PTR_ERR(tv_cmd));
-                        break;
+                        goto err_cmd;
                 }
                 pr_debug("Allocated tv_cmd: %p exp_data_len: %d, data_direction"
                         ": %d\n", tv_cmd, exp_data_len, data_direction);
 
                 tv_cmd->tvc_vhost = vs;
                 tv_cmd->tvc_vq = vq;
-
-                if (unlikely(vq->iov[out].iov_len !=
-                                sizeof(struct virtio_scsi_cmd_resp))) {
-                        vq_err(vq, "Expecting virtio_scsi_cmd_resp, got %zu"
-                                " bytes, out: %d, in: %d\n",
-                                vq->iov[out].iov_len, out, in);
-                        break;
-                }
-
                 tv_cmd->tvc_resp = vq->iov[out].iov_base;
 
                 /*
@@ -725,7 +729,7 @@ static void vhost_scsi_handle_vq(struct vhost_scsi *vs,
                                 " exceeds SCSI_MAX_VARLEN_CDB_SIZE: %d\n",
                                 scsi_command_size(tv_cmd->tvc_cdb),
                                 TCM_VHOST_MAX_CDB_SIZE);
-                        break; /* TODO */
+                        goto err_free;
                 }
                 tv_cmd->tvc_lun = ((v_req.lun[2] << 8) | v_req.lun[3]) & 0x3FFF;
 
@@ -738,7 +742,7 @@ static void vhost_scsi_handle_vq(struct vhost_scsi *vs,
                                         data_direction == DMA_TO_DEVICE);
                         if (unlikely(ret)) {
                                 vq_err(vq, "Failed to map iov to sgl\n");
-                                break; /* TODO */
+                                goto err_free;
                         }
                 }
 
@@ -759,6 +763,13 @@ static void vhost_scsi_handle_vq(struct vhost_scsi *vs,
         }
 
         mutex_unlock(&vq->mutex);
+        return;
+
+err_free:
+        vhost_scsi_free_cmd(tv_cmd);
+err_cmd:
+        vhost_scsi_send_bad_target(vs, vq, head, out);
+        mutex_unlock(&vq->mutex);
 }
 
 static void vhost_scsi_ctl_handle_kick(struct vhost_work *work)
@@ -780,6 +791,20 @@ static void vhost_scsi_handle_kick(struct vhost_work *work)
         vhost_scsi_handle_vq(vs, vq);
 }
 
+static void vhost_scsi_flush_vq(struct vhost_scsi *vs, int index)
+{
+        vhost_poll_flush(&vs->dev.vqs[index].poll);
+}
+
+static void vhost_scsi_flush(struct vhost_scsi *vs)
+{
+        int i;
+
+        for (i = 0; i < VHOST_SCSI_MAX_VQ; i++)
+                vhost_scsi_flush_vq(vs, i);
+        vhost_work_flush(&vs->dev, &vs->vs_completion_work);
+}
+
 /*
  * Called from vhost_scsi_ioctl() context to walk the list of available
  * tcm_vhost_tpg with an active struct tcm_vhost_nexus
@@ -790,8 +815,10 @@ static int vhost_scsi_set_endpoint(
 {
         struct tcm_vhost_tport *tv_tport;
         struct tcm_vhost_tpg *tv_tpg;
+        struct tcm_vhost_tpg **vs_tpg;
+        struct vhost_virtqueue *vq;
+        int index, ret, i, len;
         bool match = false;
-        int index, ret;
 
         mutex_lock(&vs->dev.mutex);
         /* Verify that ring has been setup correctly. */
@@ -803,6 +830,15 @@ static int vhost_scsi_set_endpoint(
                 }
         }
 
+        len = sizeof(vs_tpg[0]) * VHOST_SCSI_MAX_TARGET;
+        vs_tpg = kzalloc(len, GFP_KERNEL);
+        if (!vs_tpg) {
+                mutex_unlock(&vs->dev.mutex);
+                return -ENOMEM;
+        }
+        if (vs->vs_tpg)
+                memcpy(vs_tpg, vs->vs_tpg, len);
+
         mutex_lock(&tcm_vhost_mutex);
         list_for_each_entry(tv_tpg, &tcm_vhost_list, tv_tpg_list) {
                 mutex_lock(&tv_tpg->tv_tpg_mutex);
@@ -817,14 +853,15 @@ static int vhost_scsi_set_endpoint(
                 tv_tport = tv_tpg->tport;
 
                 if (!strcmp(tv_tport->tport_name, t->vhost_wwpn)) {
-                        if (vs->vs_tpg[tv_tpg->tport_tpgt]) {
+                        if (vs->vs_tpg && vs->vs_tpg[tv_tpg->tport_tpgt]) {
                                 mutex_unlock(&tv_tpg->tv_tpg_mutex);
                                 mutex_unlock(&tcm_vhost_mutex);
                                 mutex_unlock(&vs->dev.mutex);
+                                kfree(vs_tpg);
                                 return -EEXIST;
                         }
                         tv_tpg->tv_tpg_vhost_count++;
-                        vs->vs_tpg[tv_tpg->tport_tpgt] = tv_tpg;
+                        vs_tpg[tv_tpg->tport_tpgt] = tv_tpg;
                         smp_mb__after_atomic_inc();
                         match = true;
                 }
@@ -835,12 +872,27 @@ static int vhost_scsi_set_endpoint(
         if (match) {
                 memcpy(vs->vs_vhost_wwpn, t->vhost_wwpn,
                        sizeof(vs->vs_vhost_wwpn));
-                vs->vs_endpoint = true;
+                for (i = 0; i < VHOST_SCSI_MAX_VQ; i++) {
+                        vq = &vs->vqs[i];
+                        /* Flushing the vhost_work acts as synchronize_rcu */
+                        mutex_lock(&vq->mutex);
+                        rcu_assign_pointer(vq->private_data, vs_tpg);
+                        vhost_init_used(vq);
+                        mutex_unlock(&vq->mutex);
+                }
                 ret = 0;
         } else {
                 ret = -EEXIST;
         }
 
+        /*
+         * Act as synchronize_rcu to make sure access to
+         * old vs->vs_tpg is finished.
+         */
+        vhost_scsi_flush(vs);
+        kfree(vs->vs_tpg);
+        vs->vs_tpg = vs_tpg;
+
         mutex_unlock(&vs->dev.mutex);
         return ret;
 }
@@ -851,6 +903,8 @@ static int vhost_scsi_clear_endpoint(
 {
         struct tcm_vhost_tport *tv_tport;
         struct tcm_vhost_tpg *tv_tpg;
+        struct vhost_virtqueue *vq;
+        bool match = false;
         int index, ret, i;
         u8 target;
 
@@ -862,9 +916,14 @@ static int vhost_scsi_clear_endpoint(
                         goto err_dev;
                 }
         }
+
+        if (!vs->vs_tpg) {
+                mutex_unlock(&vs->dev.mutex);
+                return 0;
+        }
+
         for (i = 0; i < VHOST_SCSI_MAX_TARGET; i++) {
                 target = i;
-
                 tv_tpg = vs->vs_tpg[target];
                 if (!tv_tpg)
                         continue;
@@ -886,10 +945,27 @@ static int vhost_scsi_clear_endpoint(
                 }
                 tv_tpg->tv_tpg_vhost_count--;
                 vs->vs_tpg[target] = NULL;
-                vs->vs_endpoint = false;
+                match = true;
                 mutex_unlock(&tv_tpg->tv_tpg_mutex);
         }
+        if (match) {
+                for (i = 0; i < VHOST_SCSI_MAX_VQ; i++) {
+                        vq = &vs->vqs[i];
+                        /* Flushing the vhost_work acts as synchronize_rcu */
+                        mutex_lock(&vq->mutex);
+                        rcu_assign_pointer(vq->private_data, NULL);
+                        mutex_unlock(&vq->mutex);
+                }
+        }
+        /*
+         * Act as synchronize_rcu to make sure access to
+         * old vs->vs_tpg is finished.
+         */
+        vhost_scsi_flush(vs);
+        kfree(vs->vs_tpg);
+        vs->vs_tpg = NULL;
         mutex_unlock(&vs->dev.mutex);
+
         return 0;
 
 err_tpg:
@@ -899,6 +975,24 @@ err_dev:
         return ret;
 }
 
+static int vhost_scsi_set_features(struct vhost_scsi *vs, u64 features)
+{
+        if (features & ~VHOST_SCSI_FEATURES)
+                return -EOPNOTSUPP;
+
+        mutex_lock(&vs->dev.mutex);
+        if ((features & (1 << VHOST_F_LOG_ALL)) &&
+            !vhost_log_access_ok(&vs->dev)) {
+                mutex_unlock(&vs->dev.mutex);
+                return -EFAULT;
+        }
+        vs->dev.acked_features = features;
+        smp_wmb();
+        vhost_scsi_flush(vs);
+        mutex_unlock(&vs->dev.mutex);
+        return 0;
+}
+
 static int vhost_scsi_open(struct inode *inode, struct file *f)
 {
         struct vhost_scsi *s;
@@ -939,38 +1033,6 @@ static int vhost_scsi_release(struct inode *inode, struct file *f)
         return 0;
 }
 
-static void vhost_scsi_flush_vq(struct vhost_scsi *vs, int index)
-{
-        vhost_poll_flush(&vs->dev.vqs[index].poll);
-}
-
-static void vhost_scsi_flush(struct vhost_scsi *vs)
-{
-        int i;
-
-        for (i = 0; i < VHOST_SCSI_MAX_VQ; i++)
-                vhost_scsi_flush_vq(vs, i);
-        vhost_work_flush(&vs->dev, &vs->vs_completion_work);
-}
-
-static int vhost_scsi_set_features(struct vhost_scsi *vs, u64 features)
-{
-        if (features & ~VHOST_SCSI_FEATURES)
-                return -EOPNOTSUPP;
-
-        mutex_lock(&vs->dev.mutex);
-        if ((features & (1 << VHOST_F_LOG_ALL)) &&
-            !vhost_log_access_ok(&vs->dev)) {
-                mutex_unlock(&vs->dev.mutex);
-                return -EFAULT;
-        }
-        vs->dev.acked_features = features;
-        smp_wmb();
-        vhost_scsi_flush(vs);
-        mutex_unlock(&vs->dev.mutex);
-        return 0;
-}
-
 static long vhost_scsi_ioctl(struct file *f, unsigned int ioctl,
                                 unsigned long arg)
 {
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 7c254084b6a0..86291dcd964a 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1373,15 +1373,12 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
 {
         struct fb_info *info = file_fb_info(file);
         struct fb_ops *fb;
-        unsigned long off;
+        unsigned long mmio_pgoff;
         unsigned long start;
         u32 len;
 
         if (!info)
                 return -ENODEV;
-        if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
-                return -EINVAL;
-        off = vma->vm_pgoff << PAGE_SHIFT;
         fb = info->fbops;
         if (!fb)
                 return -ENODEV;
@@ -1393,32 +1390,24 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
                 return res;
         }
 
-        /* frame buffer memory */
+        /*
+         * Ugh. This can be either the frame buffer mapping, or
+         * if pgoff points past it, the mmio mapping.
+         */
         start = info->fix.smem_start;
-        len = PAGE_ALIGN((start & ~PAGE_MASK) + info->fix.smem_len);
-        if (off >= len) {
-                /* memory mapped io */
-                off -= len;
-                if (info->var.accel_flags) {
-                        mutex_unlock(&info->mm_lock);
-                        return -EINVAL;
-                }
+        len = info->fix.smem_len;
+        mmio_pgoff = PAGE_ALIGN((start & ~PAGE_MASK) + len) >> PAGE_SHIFT;
+        if (vma->vm_pgoff >= mmio_pgoff) {
+                vma->vm_pgoff -= mmio_pgoff;
                 start = info->fix.mmio_start;
-                len = PAGE_ALIGN((start & ~PAGE_MASK) + info->fix.mmio_len);
+                len = info->fix.mmio_len;
         }
         mutex_unlock(&info->mm_lock);
-        start &= PAGE_MASK;
-        if ((vma->vm_end - vma->vm_start + off) > len)
-                return -EINVAL;
-        off += start;
-        vma->vm_pgoff = off >> PAGE_SHIFT;
-        /* VM_IO | VM_DONTEXPAND | VM_DONTDUMP are set by io_remap_pfn_range()*/
+
         vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
-        fb_pgprotect(file, vma, off);
-        if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
-                             vma->vm_end - vma->vm_start, vma->vm_page_prot))
-                return -EAGAIN;
-        return 0;
+        fb_pgprotect(file, vma, start);
+
+        return vm_iomap_memory(vma, start, len);
 }
 
 static int
diff --git a/drivers/video/fbmon.c b/drivers/video/fbmon.c
index 94ad0f71383c..7f6709991a5c 100644
--- a/drivers/video/fbmon.c
+++ b/drivers/video/fbmon.c
@@ -1400,7 +1400,7 @@ int fb_videomode_from_videomode(const struct videomode *vm,
         fbmode->vmode = 0;
         if (vm->dmt_flags & VESA_DMT_HSYNC_HIGH)
                 fbmode->sync |= FB_SYNC_HOR_HIGH_ACT;
-        if (vm->dmt_flags & VESA_DMT_HSYNC_HIGH)
+        if (vm->dmt_flags & VESA_DMT_VSYNC_HIGH)
                 fbmode->sync |= FB_SYNC_VERT_HIGH_ACT;
         if (vm->data_flags & DISPLAY_FLAGS_INTERLACED)
                 fbmode->vmode |= FB_VMODE_INTERLACED;
diff --git a/drivers/video/mmp/core.c b/drivers/video/mmp/core.c
index 9ed83419038b..84de2632857a 100644
--- a/drivers/video/mmp/core.c
+++ b/drivers/video/mmp/core.c
@@ -252,7 +252,5 @@ void mmp_unregister_path(struct mmp_path *path)
 
         kfree(path);
         mutex_unlock(&disp_lock);
-
-        dev_info(path->dev, "de-register %s\n", path->name);
 }
 EXPORT_SYMBOL_GPL(mmp_unregister_path);
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 63203acef812..0264704a52be 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -858,6 +858,7 @@ static void sh_mobile_lcdc_geometry(struct sh_mobile_lcdc_chan *ch)
         tmp = ((mode->xres & 7) << 24) | ((display_h_total & 7) << 16)
             | ((mode->hsync_len & 7) << 8) | (hsync_pos & 7);
         lcdc_write_chan(ch, LDHAJR, tmp);
+        lcdc_write_chan_mirror(ch, LDHAJR, tmp);
 }
 
 static void sh_mobile_lcdc_overlay_setup(struct sh_mobile_lcdc_overlay *ovl)
diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c
index b75db0186488..d4284458377e 100644
--- a/drivers/video/uvesafb.c
+++ b/drivers/video/uvesafb.c
@@ -1973,7 +1973,8 @@ static int uvesafb_init(void)
                         err = -ENOMEM;
 
                 if (err) {
-                        platform_device_put(uvesafb_device);
+                        if (uvesafb_device)
+                                platform_device_put(uvesafb_device);
                         platform_driver_unregister(&uvesafb_driver);
                         cn_del_callback(&uvesafb_cn_id);
                         return err;
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 9fcc70c11cea..e89fc3133972 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -117,7 +117,7 @@ config ARM_SP805_WATCHDOG
 
 config AT91RM9200_WATCHDOG
         tristate "AT91RM9200 watchdog"
-        depends on ARCH_AT91
+        depends on ARCH_AT91RM9200
         help
           Watchdog timer embedded into AT91RM9200 chips. This will reboot your
           system when the timeout is reached.
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index aa85881d17b2..2647ad8e1f19 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -1316,7 +1316,7 @@ static void __xen_evtchn_do_upcall(void)
 {
         int start_word_idx, start_bit_idx;
         int word_idx, bit_idx;
-        int i;
+        int i, irq;
         int cpu = get_cpu();
         struct shared_info *s = HYPERVISOR_shared_info;
         struct vcpu_info *vcpu_info = __this_cpu_read(xen_vcpu);
@@ -1324,6 +1324,8 @@ static void __xen_evtchn_do_upcall(void)
 
         do {
                 xen_ulong_t pending_words;
+                xen_ulong_t pending_bits;
+                struct irq_desc *desc;
 
                 vcpu_info->evtchn_upcall_pending = 0;
 
@@ -1335,6 +1337,17 @@ static void __xen_evtchn_do_upcall(void)
                  * selector flag. xchg_xen_ulong must contain an
                  * appropriate barrier.
                  */
+                if ((irq = per_cpu(virq_to_irq, cpu)[VIRQ_TIMER]) != -1) {
+                        int evtchn = evtchn_from_irq(irq);
+                        word_idx = evtchn / BITS_PER_LONG;
+                        pending_bits = evtchn % BITS_PER_LONG;
+                        if (active_evtchns(cpu, s, word_idx) & (1ULL << pending_bits)) {
+                                desc = irq_to_desc(irq);
+                                if (desc)
+                                        generic_handle_irq_desc(irq, desc);
+                        }
+                }
+
                 pending_words = xchg_xen_ulong(&vcpu_info->evtchn_pending_sel, 0);
 
                 start_word_idx = __this_cpu_read(current_word_idx);
@@ -1343,7 +1356,6 @@ static void __xen_evtchn_do_upcall(void)
                 word_idx = start_word_idx;
 
                 for (i = 0; pending_words != 0; i++) {
-                        xen_ulong_t pending_bits;
                         xen_ulong_t words;
 
                         words = MASK_LSBS(pending_words, word_idx);
@@ -1372,8 +1384,7 @@ static void __xen_evtchn_do_upcall(void)
 
                         do {
                                 xen_ulong_t bits;
-                                int port, irq;
-                                struct irq_desc *desc;
+                                int port;
 
                                 bits = MASK_LSBS(pending_bits, bit_idx);
 
diff --git a/firmware/Makefile b/firmware/Makefile
index 5d8ee1319b5c..cbb09ce9730a 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -82,7 +82,7 @@ fw-shipped-$(CONFIG_SCSI_ADVANSYS) += advansys/mcode.bin advansys/38C1600.bin \
 fw-shipped-$(CONFIG_SCSI_QLOGIC_1280) += qlogic/1040.bin qlogic/1280.bin \
                                          qlogic/12160.bin
 fw-shipped-$(CONFIG_SCSI_QLOGICPTI) += qlogic/isp1000.bin
-fw-shipped-$(CONFIG_INFINIBAND_QIB) += intel/sd7220.fw
+fw-shipped-$(CONFIG_INFINIBAND_QIB) += qlogic/sd7220.fw
 fw-shipped-$(CONFIG_SND_KORG1212) += korg/k1212.dsp
 fw-shipped-$(CONFIG_SND_MAESTRO3) += ess/maestro3_assp_kernel.fw \
                                      ess/maestro3_assp_minisrc.fw
diff --git a/firmware/intel/sd7220.fw.ihex b/firmware/qlogic/sd7220.fw.ihex
index a33636319112..a33636319112 100644
--- a/firmware/intel/sd7220.fw.ihex
+++ b/firmware/qlogic/sd7220.fw.ihex
diff --git a/fs/aio.c b/fs/aio.c
index 3f941f2a3059..1dc8786f4588 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1029,9 +1029,9 @@ static int aio_read_evt(struct kioctx *ioctx, struct io_event *ent)
         spin_unlock(&info->ring_lock);
 
 out:
-        kunmap_atomic(ring);
         dprintk("leaving aio_read_evt: %d  h%lu t%lu\n", ret,
                  (unsigned long)ring->head, (unsigned long)ring->tail);
+        kunmap_atomic(ring);
         return ret;
 }
 
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 3939829f6c5c..86af964c2425 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1137,6 +1137,7 @@ static unsigned long vma_dump_size(struct vm_area_struct *vma,
                         goto whole;
                 if (!(vma->vm_flags & VM_SHARED) && FILTER(HUGETLB_PRIVATE))
                         goto whole;
+                return 0;
         }
 
         /* Do not dump I/O mapped devices or special mappings */
diff --git a/fs/bio.c b/fs/bio.c
index bb5768f59b32..b96fc6ce4855 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -1428,8 +1428,6 @@ void bio_endio(struct bio *bio, int error)
         else if (!test_bit(BIO_UPTODATE, &bio->bi_flags))
                 error = -EIO;
 
-        trace_block_bio_complete(bio, error);
-
         if (bio->bi_end_io)
                 bio->bi_end_io(bio, error);
 }
diff --git a/fs/block_dev.c b/fs/block_dev.c
index aea605c98ba6..aae187a7f94a 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -551,6 +551,7 @@ struct block_device *bdgrab(struct block_device *bdev)
         ihold(bdev->bd_inode);
         return bdev;
 }
+EXPORT_SYMBOL(bdgrab);
 
 long nr_blockdev_pages(void)
 {
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 451fad96ecd1..ef96381569a4 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -317,6 +317,7 @@ static noinline int overwrite_item(struct btrfs_trans_handle *trans,
         unsigned long src_ptr;
         unsigned long dst_ptr;
         int overwrite_root = 0;
+        bool inode_item = key->type == BTRFS_INODE_ITEM_KEY;
 
         if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID)
                 overwrite_root = 1;
@@ -326,6 +327,9 @@ static noinline int overwrite_item(struct btrfs_trans_handle *trans,
 
         /* look for the key in the destination tree */
         ret = btrfs_search_slot(NULL, root, key, path, 0, 0);
+        if (ret < 0)
+                return ret;
+
         if (ret == 0) {
                 char *src_copy;
                 char *dst_copy;
@@ -367,6 +371,30 @@ static noinline int overwrite_item(struct btrfs_trans_handle *trans,
                         return 0;
                 }
 
+                /*
+                 * We need to load the old nbytes into the inode so when we
+                 * replay the extents we've logged we get the right nbytes.
+                 */
+                if (inode_item) {
+                        struct btrfs_inode_item *item;
+                        u64 nbytes;
+
+                        item = btrfs_item_ptr(path->nodes[0], path->slots[0],
+                                              struct btrfs_inode_item);
+                        nbytes = btrfs_inode_nbytes(path->nodes[0], item);
+                        item = btrfs_item_ptr(eb, slot,
+                                              struct btrfs_inode_item);
+                        btrfs_set_inode_nbytes(eb, item, nbytes);
+                }
+        } else if (inode_item) {
+                struct btrfs_inode_item *item;
+
+                /*
+                 * New inode, set nbytes to 0 so that the nbytes comes out
+                 * properly when we replay the extents.
+                 */
+                item = btrfs_item_ptr(eb, slot, struct btrfs_inode_item);
+                btrfs_set_inode_nbytes(eb, item, 0);
         }
 insert:
         btrfs_release_path(path);
@@ -486,7 +514,7 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans,
         int found_type;
         u64 extent_end;
         u64 start = key->offset;
-        u64 saved_nbytes;
+        u64 nbytes = 0;
         struct btrfs_file_extent_item *item;
         struct inode *inode = NULL;
         unsigned long size;
@@ -496,10 +524,19 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans,
         found_type = btrfs_file_extent_type(eb, item);
 
         if (found_type == BTRFS_FILE_EXTENT_REG ||
-            found_type == BTRFS_FILE_EXTENT_PREALLOC)
-                extent_end = start + btrfs_file_extent_num_bytes(eb, item);
-        else if (found_type == BTRFS_FILE_EXTENT_INLINE) {
+            found_type == BTRFS_FILE_EXTENT_PREALLOC) {
+                nbytes = btrfs_file_extent_num_bytes(eb, item);
+                extent_end = start + nbytes;
+
+                /*
+                 * We don't add to the inodes nbytes if we are prealloc or a
+                 * hole.
+                 */
+                if (btrfs_file_extent_disk_bytenr(eb, item) == 0)
+                        nbytes = 0;
+        } else if (found_type == BTRFS_FILE_EXTENT_INLINE) {
                 size = btrfs_file_extent_inline_len(eb, item);
+                nbytes = btrfs_file_extent_ram_bytes(eb, item);
                 extent_end = ALIGN(start + size, root->sectorsize);
         } else {
                 ret = 0;
@@ -548,7 +585,6 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans,
         }
         btrfs_release_path(path);
 
-        saved_nbytes = inode_get_bytes(inode);
         /* drop any overlapping extents */
         ret = btrfs_drop_extents(trans, root, inode, start, extent_end, 1);
         BUG_ON(ret);
@@ -635,7 +671,7 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans,
                 BUG_ON(ret);
         }
 
-        inode_set_bytes(inode, saved_nbytes);
+        inode_add_bytes(inode, nbytes);
         ret = btrfs_update_inode(trans, root, inode);
 out:
         if (inode)
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 991c63c6bdd0..21b3a291c327 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1575,14 +1575,24 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
                         }
                         break;
                 case Opt_blank_pass:
-                        vol->password = NULL;
-                        break;
-                case Opt_pass:
                         /* passwords have to be handled differently
                          * to allow the character used for deliminator
                          * to be passed within them
                          */
 
+                        /*
+                         * Check if this is a case where the  password
+                         * starts with a delimiter
+                         */
+                        tmp_end = strchr(data, '=');
+                        tmp_end++;
+                        if (!(tmp_end < end && tmp_end[1] == delim)) {
+                                /* No it is not. Set the password to NULL */
+                                vol->password = NULL;
+                                break;
+                        }
+                        /* Yes it is. Drop down to Opt_pass below.*/
+                case Opt_pass:
                         /* Obtain the value string */
                         value = strchr(data, '=');
                         value++;
diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c
index 412e6eda25f8..e4141f257495 100644
--- a/fs/ecryptfs/miscdev.c
+++ b/fs/ecryptfs/miscdev.c
@@ -80,13 +80,6 @@ ecryptfs_miscdev_open(struct inode *inode, struct file *file)
         int rc;
 
         mutex_lock(&ecryptfs_daemon_hash_mux);
-        rc = try_module_get(THIS_MODULE);
-        if (rc == 0) {
-                rc = -EIO;
-                printk(KERN_ERR "%s: Error attempting to increment module use "
-                       "count; rc = [%d]\n", __func__, rc);
-                goto out_unlock_daemon_list;
-        }
         rc = ecryptfs_find_daemon_by_euid(&daemon);
         if (!rc) {
                 rc = -EINVAL;
@@ -96,7 +89,7 @@ ecryptfs_miscdev_open(struct inode *inode, struct file *file)
         if (rc) {
                 printk(KERN_ERR "%s: Error attempting to spawn daemon; "
                        "rc = [%d]\n", __func__, rc);
-                goto out_module_put_unlock_daemon_list;
+                goto out_unlock_daemon_list;
         }
         mutex_lock(&daemon->mux);
         if (daemon->flags & ECRYPTFS_DAEMON_MISCDEV_OPEN) {
@@ -108,9 +101,6 @@ ecryptfs_miscdev_open(struct inode *inode, struct file *file)
         atomic_inc(&ecryptfs_num_miscdev_opens);
 out_unlock_daemon:
         mutex_unlock(&daemon->mux);
-out_module_put_unlock_daemon_list:
-        if (rc)
-                module_put(THIS_MODULE);
 out_unlock_daemon_list:
         mutex_unlock(&ecryptfs_daemon_hash_mux);
         return rc;
@@ -147,7 +137,6 @@ ecryptfs_miscdev_release(struct inode *inode, struct file *file)
                        "bug.\n", __func__, rc);
                 BUG();
         }
-        module_put(THIS_MODULE);
         return rc;
 }
 
@@ -471,6 +460,7 @@ out_free:
 
 
 static const struct file_operations ecryptfs_miscdev_fops = {
+        .owner   = THIS_MODULE,
         .open    = ecryptfs_miscdev_open,
         .poll    = ecryptfs_miscdev_poll,
         .read    = ecryptfs_miscdev_read,
diff --git a/fs/efivarfs/super.c b/fs/efivarfs/super.c
index 34c48f1fcdbc..525a2a1ac16c 100644
--- a/fs/efivarfs/super.c
+++ b/fs/efivarfs/super.c
@@ -12,6 +12,7 @@
 #include <linux/fs.h>
 #include <linux/module.h>
 #include <linux/pagemap.h>
+#include <linux/ucs2_string.h>
 
 #include "internal.h"
 
@@ -135,7 +136,7 @@ static int efivarfs_callback(efi_char16_t *name16, efi_guid_t vendor,
         memcpy(entry->var.VariableName, name16, name_size);
         memcpy(&(entry->var.VendorGuid), &vendor, sizeof(efi_guid_t));
 
-        len = utf16_strlen(entry->var.VariableName);
+        len = ucs2_strlen(entry->var.VariableName);
 
         /* name, plus '-', plus GUID, plus NUL*/
         name = kmalloc(len + 1 + EFI_VARIABLE_GUID_LEN + 1, GFP_KERNEL);
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 56efcaadf848..9c6d06dcef8b 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2999,20 +2999,23 @@ static int ext4_split_extent_at(handle_t *handle,
                         if (split_flag & EXT4_EXT_DATA_VALID1) {
                                 err = ext4_ext_zeroout(inode, ex2);
                                 zero_ex.ee_block = ex2->ee_block;
-                                zero_ex.ee_len = ext4_ext_get_actual_len(ex2);
+                                zero_ex.ee_len = cpu_to_le16(
+                                                ext4_ext_get_actual_len(ex2));
                                 ext4_ext_store_pblock(&zero_ex,
                                                       ext4_ext_pblock(ex2));
                         } else {
                                 err = ext4_ext_zeroout(inode, ex);
                                 zero_ex.ee_block = ex->ee_block;
-                                zero_ex.ee_len = ext4_ext_get_actual_len(ex);
+                                zero_ex.ee_len = cpu_to_le16(
+                                                ext4_ext_get_actual_len(ex));
                                 ext4_ext_store_pblock(&zero_ex,
                                                       ext4_ext_pblock(ex));
                         }
                 } else {
                         err = ext4_ext_zeroout(inode, &orig_ex);
                         zero_ex.ee_block = orig_ex.ee_block;
-                        zero_ex.ee_len = ext4_ext_get_actual_len(&orig_ex);
+                        zero_ex.ee_len = cpu_to_le16(
+                                                ext4_ext_get_actual_len(&orig_ex));
                         ext4_ext_store_pblock(&zero_ex,
                                               ext4_ext_pblock(&orig_ex));
                 }
@@ -3272,7 +3275,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
                 if (err)
                         goto out;
                 zero_ex.ee_block = ex->ee_block;
-                zero_ex.ee_len = ext4_ext_get_actual_len(ex);
+                zero_ex.ee_len = cpu_to_le16(ext4_ext_get_actual_len(ex));
                 ext4_ext_store_pblock(&zero_ex, ext4_ext_pblock(ex));
 
                 err = ext4_ext_get_access(handle, inode, path + depth);
diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c
index b505a145a593..a04183127ef0 100644
--- a/fs/ext4/indirect.c
+++ b/fs/ext4/indirect.c
@@ -1539,9 +1539,9 @@ static int free_hole_blocks(handle_t *handle, struct inode *inode,
                 blk = *i_data;
                 if (level > 0) {
                         ext4_lblk_t first2;
-                        bh = sb_bread(inode->i_sb, blk);
+                        bh = sb_bread(inode->i_sb, le32_to_cpu(blk));
                         if (!bh) {
-                                EXT4_ERROR_INODE_BLOCK(inode, blk,
+                                EXT4_ERROR_INODE_BLOCK(inode, le32_to_cpu(blk),
                                                        "Read failure");
                                 return -EIO;
                         }
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 019f45e45097..d79c2dadc536 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -923,8 +923,11 @@ static int gfs2_lock(struct file *file, int cmd, struct file_lock *fl)
                 cmd = F_SETLK;
                 fl->fl_type = F_UNLCK;
         }
-        if (unlikely(test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
+        if (unlikely(test_bit(SDF_SHUTDOWN, &sdp->sd_flags))) {
+                if (fl->fl_type == F_UNLCK)
+                        posix_lock_file_wait(file, fl);
                 return -EIO;
+        }
         if (IS_GETLK(cmd))
                 return dlm_posix_get(ls->ls_dlm, ip->i_no_addr, file, fl);
         else if (fl->fl_type == F_UNLCK)
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 156e42ec84ea..5c29216e9cc1 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -588,6 +588,7 @@ struct lm_lockstruct {
         struct dlm_lksb ls_control_lksb; /* control_lock */
         char ls_control_lvb[GDLM_LVB_SIZE]; /* control_lock lvb */
         struct completion ls_sync_wait; /* {control,mounted}_{lock,unlock} */
+        char *ls_lvb_bits;
 
         spinlock_t ls_recover_spin; /* protects following fields */
         unsigned long ls_recover_flags; /* DFL_ */
diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c
index 9802de0f85e6..c8423d6de6c3 100644
--- a/fs/gfs2/lock_dlm.c
+++ b/fs/gfs2/lock_dlm.c
@@ -483,12 +483,8 @@ static void control_lvb_write(struct lm_lockstruct *ls, uint32_t lvb_gen,
 
 static int all_jid_bits_clear(char *lvb)
 {
-        int i;
-        for (i = JID_BITMAP_OFFSET; i < GDLM_LVB_SIZE; i++) {
-                if (lvb[i])
-                        return 0;
-        }
-        return 1;
+        return !memchr_inv(lvb + JID_BITMAP_OFFSET, 0,
+                        GDLM_LVB_SIZE - JID_BITMAP_OFFSET);
 }
 
 static void sync_wait_cb(void *arg)
@@ -580,7 +576,6 @@ static void gfs2_control_func(struct work_struct *work)
 {
         struct gfs2_sbd *sdp = container_of(work, struct gfs2_sbd, sd_control_work.work);
         struct lm_lockstruct *ls = &sdp->sd_lockstruct;
-        char lvb_bits[GDLM_LVB_SIZE];
         uint32_t block_gen, start_gen, lvb_gen, flags;
         int recover_set = 0;
         int write_lvb = 0;
@@ -634,7 +629,7 @@ static void gfs2_control_func(struct work_struct *work)
                 return;
         }
 
-        control_lvb_read(ls, &lvb_gen, lvb_bits);
+        control_lvb_read(ls, &lvb_gen, ls->ls_lvb_bits);
 
         spin_lock(&ls->ls_recover_spin);
         if (block_gen != ls->ls_recover_block ||
@@ -664,10 +659,10 @@ static void gfs2_control_func(struct work_struct *work)
 
                         ls->ls_recover_result[i] = 0;
 
-                        if (!test_bit_le(i, lvb_bits + JID_BITMAP_OFFSET))
+                        if (!test_bit_le(i, ls->ls_lvb_bits + JID_BITMAP_OFFSET))
                                 continue;
 
-                        __clear_bit_le(i, lvb_bits + JID_BITMAP_OFFSET);
+                        __clear_bit_le(i, ls->ls_lvb_bits + JID_BITMAP_OFFSET);
                         write_lvb = 1;
                 }
         }
@@ -691,7 +686,7 @@ static void gfs2_control_func(struct work_struct *work)
                                 continue;
                         if (ls->ls_recover_submit[i] < start_gen) {
                                 ls->ls_recover_submit[i] = 0;
-                                __set_bit_le(i, lvb_bits + JID_BITMAP_OFFSET);
+                                __set_bit_le(i, ls->ls_lvb_bits + JID_BITMAP_OFFSET);
                         }
                 }
                 /* even if there are no bits to set, we need to write the
@@ -705,7 +700,7 @@ static void gfs2_control_func(struct work_struct *work)
         spin_unlock(&ls->ls_recover_spin);
 
         if (write_lvb) {
-                control_lvb_write(ls, start_gen, lvb_bits);
+                control_lvb_write(ls, start_gen, ls->ls_lvb_bits);
                 flags = DLM_LKF_CONVERT | DLM_LKF_VALBLK;
         } else {
                 flags = DLM_LKF_CONVERT;
@@ -725,7 +720,7 @@ static void gfs2_control_func(struct work_struct *work)
          */
 
         for (i = 0; i < recover_size; i++) {
-                if (test_bit_le(i, lvb_bits + JID_BITMAP_OFFSET)) {
+                if (test_bit_le(i, ls->ls_lvb_bits + JID_BITMAP_OFFSET)) {
                         fs_info(sdp, "recover generation %u jid %d\n",
                                 start_gen, i);
                         gfs2_recover_set(sdp, i);
@@ -758,7 +753,6 @@ static void gfs2_control_func(struct work_struct *work)
 static int control_mount(struct gfs2_sbd *sdp)
 {
         struct lm_lockstruct *ls = &sdp->sd_lockstruct;
-        char lvb_bits[GDLM_LVB_SIZE];
         uint32_t start_gen, block_gen, mount_gen, lvb_gen;
         int mounted_mode;
         int retries = 0;
@@ -857,7 +851,7 @@ locks_done:
          * lvb_gen will be non-zero.
          */
 
-        control_lvb_read(ls, &lvb_gen, lvb_bits);
+        control_lvb_read(ls, &lvb_gen, ls->ls_lvb_bits);
 
         if (lvb_gen == 0xFFFFFFFF) {
                 /* special value to force mount attempts to fail */
@@ -887,7 +881,7 @@ locks_done:
          * and all lvb bits to be clear (no pending journal recoveries.)
          */
 
-        if (!all_jid_bits_clear(lvb_bits)) {
+        if (!all_jid_bits_clear(ls->ls_lvb_bits)) {
                 /* journals need recovery, wait until all are clear */
                 fs_info(sdp, "control_mount wait for journal recovery\n");
                 goto restart;
@@ -949,7 +943,6 @@ static int dlm_recovery_wait(void *word)
 static int control_first_done(struct gfs2_sbd *sdp)
 {
         struct lm_lockstruct *ls = &sdp->sd_lockstruct;
-        char lvb_bits[GDLM_LVB_SIZE];
         uint32_t start_gen, block_gen;
         int error;
 
@@ -991,8 +984,8 @@ restart:
         memset(ls->ls_recover_result, 0, ls->ls_recover_size*sizeof(uint32_t));
         spin_unlock(&ls->ls_recover_spin);
 
-        memset(lvb_bits, 0, sizeof(lvb_bits));
-        control_lvb_write(ls, start_gen, lvb_bits);
+        memset(ls->ls_lvb_bits, 0, GDLM_LVB_SIZE);
+        control_lvb_write(ls, start_gen, ls->ls_lvb_bits);
 
         error = mounted_lock(sdp, DLM_LOCK_PR, DLM_LKF_CONVERT);
         if (error)
@@ -1022,6 +1015,12 @@ static int set_recover_size(struct gfs2_sbd *sdp, struct dlm_slot *slots,
         uint32_t old_size, new_size;
         int i, max_jid;
 
+        if (!ls->ls_lvb_bits) {
+                ls->ls_lvb_bits = kzalloc(GDLM_LVB_SIZE, GFP_NOFS);
+                if (!ls->ls_lvb_bits)
+                        return -ENOMEM;
+        }
+
         max_jid = 0;
         for (i = 0; i < num_slots; i++) {
                 if (max_jid < slots[i].slot - 1)
@@ -1057,6 +1056,7 @@ static int set_recover_size(struct gfs2_sbd *sdp, struct dlm_slot *slots,
 
 static void free_recover_size(struct lm_lockstruct *ls)
 {
+        kfree(ls->ls_lvb_bits);
         kfree(ls->ls_recover_submit);
         kfree(ls->ls_recover_result);
         ls->ls_recover_submit = NULL;
@@ -1205,6 +1205,7 @@ static int gdlm_mount(struct gfs2_sbd *sdp, const char *table)
         ls->ls_recover_size = 0;
         ls->ls_recover_submit = NULL;
         ls->ls_recover_result = NULL;
+        ls->ls_lvb_bits = NULL;
 
         error = set_recover_size(sdp, NULL, 0);
         if (error)
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index d1f51fd73f86..5a51265a4341 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -576,7 +576,7 @@ int gfs2_rs_alloc(struct gfs2_inode *ip)
         RB_CLEAR_NODE(&ip->i_res->rs_node);
 out:
         up_write(&ip->i_rw_mutex);
-        return 0;
+        return error;
 }
 
 static void dump_rs(struct seq_file *seq, const struct gfs2_blkreserv *rs)
@@ -1181,12 +1181,9 @@ int gfs2_rgrp_send_discards(struct gfs2_sbd *sdp, u64 offset,
                              const struct gfs2_bitmap *bi, unsigned minlen, u64 *ptrimmed)
 {
         struct super_block *sb = sdp->sd_vfs;
-        struct block_device *bdev = sb->s_bdev;
-        const unsigned int sects_per_blk = sdp->sd_sb.sb_bsize /
-                                           bdev_logical_block_size(sb->s_bdev);
         u64 blk;
         sector_t start = 0;
-        sector_t nr_sects = 0;
+        sector_t nr_blks = 0;
         int rv;
         unsigned int x;
         u32 trimmed = 0;
@@ -1206,35 +1203,34 @@ int gfs2_rgrp_send_discards(struct gfs2_sbd *sdp, u64 offset,
                 if (diff == 0)
                         continue;
                 blk = offset + ((bi->bi_start + x) * GFS2_NBBY);
-                blk *= sects_per_blk; /* convert to sectors */
                 while(diff) {
                         if (diff & 1) {
-                                if (nr_sects == 0)
+                                if (nr_blks == 0)
                                         goto start_new_extent;
-                                if ((start + nr_sects) != blk) {
-                                        if (nr_sects >= minlen) {
-                                                rv = blkdev_issue_discard(bdev,
-                                                        start, nr_sects,
+                                if ((start + nr_blks) != blk) {
+                                        if (nr_blks >= minlen) {
+                                                rv = sb_issue_discard(sb,
+                                                        start, nr_blks,
                                                         GFP_NOFS, 0);
                                                 if (rv)
                                                         goto fail;
-                                                trimmed += nr_sects;
+                                                trimmed += nr_blks;
                                         }
-                                        nr_sects = 0;
+                                        nr_blks = 0;
 start_new_extent:
                                         start = blk;
                                 }
-                                nr_sects += sects_per_blk;
+                                nr_blks++;
                         }
                         diff >>= 2;
-                        blk += sects_per_blk;
+                        blk++;
                 }
         }
-        if (nr_sects >= minlen) {
-                rv = blkdev_issue_discard(bdev, start, nr_sects, GFP_NOFS, 0);
+        if (nr_blks >= minlen) {
+                rv = sb_issue_discard(sb, start, nr_blks, GFP_NOFS, 0);
                 if (rv)
                         goto fail;
-                trimmed += nr_sects;
+                trimmed += nr_blks;
         }
         if (ptrimmed)
                 *ptrimmed = trimmed;
diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c
index a94f0f779d5e..fe0a76213d9e 100644
--- a/fs/hfsplus/extents.c
+++ b/fs/hfsplus/extents.c
@@ -533,7 +533,7 @@ void hfsplus_file_truncate(struct inode *inode)
                 struct address_space *mapping = inode->i_mapping;
                 struct page *page;
                 void *fsdata;
-                u32 size = inode->i_size;
+                loff_t size = inode->i_size;
 
                 res = pagecache_write_begin(NULL, mapping, size, 0,
                                                 AOP_FLAG_UNINTERRUPTIBLE,
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 84e3d856e91d..523464e62849 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -110,7 +110,7 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
          * way when do_mmap_pgoff unwinds (may be important on powerpc
          * and ia64).
          */
-        vma->vm_flags |= VM_HUGETLB | VM_DONTEXPAND | VM_DONTDUMP;
+        vma->vm_flags |= VM_HUGETLB | VM_DONTEXPAND;
         vma->vm_ops = &hugetlb_vm_ops;
 
         if (vma->vm_pgoff & (~huge_page_mask(h) >> PAGE_SHIFT))
diff --git a/fs/inode.c b/fs/inode.c
index f5f7c06c36fb..a898b3d43ccf 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -725,7 +725,7 @@ void prune_icache_sb(struct super_block *sb, int nr_to_scan)
                  * inode to the back of the list so we don't spin on it.
                  */
                 if (!spin_trylock(&inode->i_lock)) {
-                        list_move_tail(&inode->i_lru, &sb->s_inode_lru);
+                        list_move(&inode->i_lru, &sb->s_inode_lru);
                         continue;
                 }
 
diff --git a/fs/namespace.c b/fs/namespace.c
index d581e45c0a9f..341d3f564082 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1690,7 +1690,7 @@ static int do_loopback(struct path *path, const char *old_name,
 
         if (IS_ERR(mnt)) {
                 err = PTR_ERR(mnt);
-                goto out;
+                goto out2;
         }
 
         err = graft_tree(mnt, path);
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index ac4fc9a8fdbc..66b6664dcd4c 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -300,7 +300,7 @@ int nfs40_walk_client_list(struct nfs_client *new,
                            struct rpc_cred *cred)
 {
         struct nfs_net *nn = net_generic(new->cl_net, nfs_net_id);
-        struct nfs_client *pos, *n, *prev = NULL;
+        struct nfs_client *pos, *prev = NULL;
         struct nfs4_setclientid_res clid = {
                 .clientid       = new->cl_clientid,
                 .confirm        = new->cl_confirm,
@@ -308,10 +308,23 @@ int nfs40_walk_client_list(struct nfs_client *new,
         int status = -NFS4ERR_STALE_CLIENTID;
 
         spin_lock(&nn->nfs_client_lock);
-        list_for_each_entry_safe(pos, n, &nn->nfs_client_list, cl_share_link) {
+        list_for_each_entry(pos, &nn->nfs_client_list, cl_share_link) {
                 /* If "pos" isn't marked ready, we can't trust the
                  * remaining fields in "pos" */
-                if (pos->cl_cons_state < NFS_CS_READY)
+                if (pos->cl_cons_state > NFS_CS_READY) {
+                        atomic_inc(&pos->cl_count);
+                        spin_unlock(&nn->nfs_client_lock);
+
+                        if (prev)
+                                nfs_put_client(prev);
+                        prev = pos;
+
+                        status = nfs_wait_client_init_complete(pos);
+                        spin_lock(&nn->nfs_client_lock);
+                        if (status < 0)
+                                continue;
+                }
+                if (pos->cl_cons_state != NFS_CS_READY)
                         continue;
 
                 if (pos->rpc_ops != new->rpc_ops)
@@ -423,16 +436,16 @@ int nfs41_walk_client_list(struct nfs_client *new,
                            struct rpc_cred *cred)
 {
         struct nfs_net *nn = net_generic(new->cl_net, nfs_net_id);
-        struct nfs_client *pos, *n, *prev = NULL;
+        struct nfs_client *pos, *prev = NULL;
         int status = -NFS4ERR_STALE_CLIENTID;
 
         spin_lock(&nn->nfs_client_lock);
-        list_for_each_entry_safe(pos, n, &nn->nfs_client_list, cl_share_link) {
+        list_for_each_entry(pos, &nn->nfs_client_list, cl_share_link) {
                 /* If "pos" isn't marked ready, we can't trust the
                  * remaining fields in "pos", especially the client
                  * ID and serverowner fields.  Wait for CREATE_SESSION
                  * to finish. */
-                if (pos->cl_cons_state < NFS_CS_READY) {
+                if (pos->cl_cons_state > NFS_CS_READY) {
                         atomic_inc(&pos->cl_count);
                         spin_unlock(&nn->nfs_client_lock);
 
@@ -440,18 +453,17 @@ int nfs41_walk_client_list(struct nfs_client *new,
                                 nfs_put_client(prev);
                         prev = pos;
 
-                        nfs4_schedule_lease_recovery(pos);
                         status = nfs_wait_client_init_complete(pos);
-                        if (status < 0) {
-                                nfs_put_client(pos);
-                                spin_lock(&nn->nfs_client_lock);
-                                continue;
+                        if (status == 0) {
+                                nfs4_schedule_lease_recovery(pos);
+                                status = nfs4_wait_clnt_recover(pos);
                         }
-                        status = pos->cl_cons_state;
                         spin_lock(&nn->nfs_client_lock);
                         if (status < 0)
                                 continue;
                 }
+                if (pos->cl_cons_state != NFS_CS_READY)
+                        continue;
 
                 if (pos->rpc_ops != new->rpc_ops)
                         continue;
@@ -469,17 +481,18 @@ int nfs41_walk_client_list(struct nfs_client *new,
                         continue;
 
                 atomic_inc(&pos->cl_count);
-                spin_unlock(&nn->nfs_client_lock);
+                *result = pos;
+                status = 0;
                 dprintk("NFS: <-- %s using nfs_client = %p ({%d})\n",
                         __func__, pos, atomic_read(&pos->cl_count));
-
-                *result = pos;
-                return 0;
+                break;
         }
 
         /* No matching nfs_client found. */
         spin_unlock(&nn->nfs_client_lock);
         dprintk("NFS: <-- %s status = %d\n", __func__, status);
+        if (prev)
+                nfs_put_client(prev);
         return status;
 }
 #endif  /* CONFIG_NFS_V4_1 */
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 26431cf62ddb..0ad025eb523b 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1046,6 +1046,7 @@ static struct nfs4_state *nfs4_try_open_cached(struct nfs4_opendata *opendata)
                 /* Save the delegation */
                 nfs4_stateid_copy(&stateid, &delegation->stateid);
                 rcu_read_unlock();
+                nfs_release_seqid(opendata->o_arg.seqid);
                 ret = nfs_may_open(state->inode, state->owner->so_cred, open_mode);
                 if (ret != 0)
                         goto out;
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 6ace365c6334..d41a3518509f 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1886,7 +1886,13 @@ again:
                         status = PTR_ERR(clnt);
                         break;
                 }
-                clp->cl_rpcclient = clnt;
+                /* Note: this is safe because we haven't yet marked the
+                 * client as ready, so we are the only user of
+                 * clp->cl_rpcclient
+                 */
+                clnt = xchg(&clp->cl_rpcclient, clnt);
+                rpc_shutdown_client(clnt);
+                clnt = clp->cl_rpcclient;
                 goto again;
 
         case -NFS4ERR_MINOR_VERS_MISMATCH:
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 01168865dd37..a2720071f282 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -264,7 +264,7 @@ nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval,
                 iattr->ia_valid |= ATTR_SIZE;
         }
         if (bmval[0] & FATTR4_WORD0_ACL) {
-                int nace;
+                u32 nace;
                 struct nfs4_ace *ace;
 
                 READ_BUF(4); len += 4;
diff --git a/fs/proc/array.c b/fs/proc/array.c
index f7ed9ee46eb9..cbd0f1b324b9 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -143,6 +143,7 @@ static const char * const task_state_array[] = {
         "x (dead)",             /*  64 */
         "K (wakekill)",         /* 128 */
         "W (waking)",           /* 256 */
+        "P (parked)",           /* 512 */
 };
 
 static inline const char *get_task_state(struct task_struct *tsk)
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 4b3b3ffb52f1..21e1a8f1659d 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -755,37 +755,8 @@ void pde_put(struct proc_dir_entry *pde)
                 free_proc_entry(pde);
 }
 
-/*
- * Remove a /proc entry and free it if it's not currently in use.
- */
-void remove_proc_entry(const char *name, struct proc_dir_entry *parent)
+static void entry_rundown(struct proc_dir_entry *de)
 {
-        struct proc_dir_entry **p;
-        struct proc_dir_entry *de = NULL;
-        const char *fn = name;
-        unsigned int len;
-
-        spin_lock(&proc_subdir_lock);
-        if (__xlate_proc_name(name, &parent, &fn) != 0) {
-                spin_unlock(&proc_subdir_lock);
-                return;
-        }
-        len = strlen(fn);
-
-        for (p = &parent->subdir; *p; p=&(*p)->next ) {
-                if (proc_match(len, fn, *p)) {
-                        de = *p;
-                        *p = de->next;
-                        de->next = NULL;
-                        break;
-                }
-        }
-        spin_unlock(&proc_subdir_lock);
-        if (!de) {
-                WARN(1, "name '%s'\n", name);
-                return;
-        }
-
         spin_lock(&de->pde_unload_lock);
         /*
          * Stop accepting new callers into module. If you're
@@ -817,6 +788,40 @@ void remove_proc_entry(const char *name, struct proc_dir_entry *parent)
                 spin_lock(&de->pde_unload_lock);
         }
         spin_unlock(&de->pde_unload_lock);
+}
+
+/*
+ * Remove a /proc entry and free it if it's not currently in use.
+ */
+void remove_proc_entry(const char *name, struct proc_dir_entry *parent)
+{
+        struct proc_dir_entry **p;
+        struct proc_dir_entry *de = NULL;
+        const char *fn = name;
+        unsigned int len;
+
+        spin_lock(&proc_subdir_lock);
+        if (__xlate_proc_name(name, &parent, &fn) != 0) {
+                spin_unlock(&proc_subdir_lock);
+                return;
+        }
+        len = strlen(fn);
+
+        for (p = &parent->subdir; *p; p=&(*p)->next ) {
+                if (proc_match(len, fn, *p)) {
+                        de = *p;
+                        *p = de->next;
+                        de->next = NULL;
+                        break;
+                }
+        }
+        spin_unlock(&proc_subdir_lock);
+        if (!de) {
+                WARN(1, "name '%s'\n", name);
+                return;
+        }
+
+        entry_rundown(de);
 
         if (S_ISDIR(de->mode))
                 parent->nlink--;
@@ -827,3 +832,57 @@ void remove_proc_entry(const char *name, struct proc_dir_entry *parent)
         pde_put(de);
 }
 EXPORT_SYMBOL(remove_proc_entry);
+
+int remove_proc_subtree(const char *name, struct proc_dir_entry *parent)
+{
+        struct proc_dir_entry **p;
+        struct proc_dir_entry *root = NULL, *de, *next;
+        const char *fn = name;
+        unsigned int len;
+
+        spin_lock(&proc_subdir_lock);
+        if (__xlate_proc_name(name, &parent, &fn) != 0) {
+                spin_unlock(&proc_subdir_lock);
+                return -ENOENT;
+        }
+        len = strlen(fn);
+
+        for (p = &parent->subdir; *p; p=&(*p)->next ) {
+                if (proc_match(len, fn, *p)) {
+                        root = *p;
+                        *p = root->next;
+                        root->next = NULL;
+                        break;
+                }
+        }
+        if (!root) {
+                spin_unlock(&proc_subdir_lock);
+                return -ENOENT;
+        }
+        de = root;
+        while (1) {
+                next = de->subdir;
+                if (next) {
+                        de->subdir = next->next;
+                        next->next = NULL;
+                        de = next;
+                        continue;
+                }
+                spin_unlock(&proc_subdir_lock);
+
+                entry_rundown(de);
+                next = de->parent;
+                if (S_ISDIR(de->mode))
+                        next->nlink--;
+                de->nlink = 0;
+                if (de == root)
+                        break;
+                pde_put(de);
+
+                spin_lock(&proc_subdir_lock);
+                de = next;
+        }
+        pde_put(root);
+        return 0;
+}
+EXPORT_SYMBOL(remove_proc_subtree);
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index c196369fe408..4cce1d9552fb 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -187,8 +187,8 @@ fill_with_dentries(void *buf, const char *name, int namelen, loff_t offset,
         if (dbuf->count == ARRAY_SIZE(dbuf->dentries))
                 return -ENOSPC;
 
-        if (name[0] == '.' && (name[1] == '\0' ||
-                               (name[1] == '.' && name[2] == '\0')))
+        if (name[0] == '.' && (namelen < 2 ||
+                               (namelen == 2 && name[1] == '.')))
                 return 0;
 
         dentry = lookup_one_len(name, dbuf->xadir, namelen);
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index ac838b844936..f21acf0ef01f 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -1568,6 +1568,12 @@ static int ubifs_remount_rw(struct ubifs_info *c)
         c->remounting_rw = 1;
         c->ro_mount = 0;
 
+        if (c->space_fixup) {
+                err = ubifs_fixup_free_space(c);
+                if (err)
+                        return err;
+        }
+
         err = check_free_space(c);
         if (err)
                 goto out;
@@ -1684,12 +1690,6 @@ static int ubifs_remount_rw(struct ubifs_info *c)
                 err = dbg_check_space_info(c);
         }
 
-        if (c->space_fixup) {
-                err = ubifs_fixup_free_space(c);
-                if (err)
-                        goto out;
-        }
-
         mutex_unlock(&c->umount_mutex);
         return err;
 
diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h
index 25f01d0bc149..b1b1fa6ffffe 100644
--- a/include/asm-generic/tlb.h
+++ b/include/asm-generic/tlb.h
@@ -99,7 +99,12 @@ struct mmu_gather {
         unsigned int            need_flush : 1, /* Did free PTEs */
                                 fast_mode  : 1; /* No batching   */
 
-        unsigned int            fullmm;
+        /* we are in the middle of an operation to clear
+         * a full mm and can make some optimizations */
+        unsigned int            fullmm : 1,
+        /* we have performed an operation which
+         * requires a complete flush of the tlb */
+                                need_flush_all : 1;
 
         struct mmu_gather_batch *active;
         struct mmu_gather_batch local;
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 8f7a3d68371a..ee0bd9524055 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -954,7 +954,7 @@ static inline int atapi_cdb_len(const u16 *dev_id)
         }
 }
 
-static inline bool atapi_command_packet_set(const u16 *dev_id)
+static inline int atapi_command_packet_set(const u16 *dev_id)
 {
         return (dev_id[ATA_ID_CONFIG] >> 8) & 0x1f;
 }
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 0ea61e07a91c..7c2e030e72f1 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -12,7 +12,6 @@
 
 struct blk_trace {
         int trace_state;
-        bool rq_based;
         struct rchan *rchan;
         unsigned long __percpu *sequence;
         unsigned char __percpu *msg_data;
diff --git a/include/linux/capability.h b/include/linux/capability.h
index 98503b792369..d9a4f7f40f32 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -35,6 +35,7 @@ struct cpu_vfs_cap_data {
 #define _KERNEL_CAP_T_SIZE     (sizeof(kernel_cap_t))
 
 
+struct file;
 struct inode;
 struct dentry;
 struct user_namespace;
@@ -211,6 +212,7 @@ extern bool capable(int cap);
 extern bool ns_capable(struct user_namespace *ns, int cap);
 extern bool nsown_capable(int cap);
 extern bool inode_capable(const struct inode *inode, int cap);
+extern bool file_ns_capable(const struct file *file, struct user_namespace *ns, int cap);
 
 /* audit system wants to get cap info from files as well */
 extern int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps);
diff --git a/include/linux/compat.h b/include/linux/compat.h
index 76a87fb57ac2..377cd8c3395e 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -141,11 +141,11 @@ typedef struct {
 } compat_sigset_t;
 
 struct compat_sigaction {
-#ifndef __ARCH_HAS_ODD_SIGACTION
+#ifndef __ARCH_HAS_IRIX_SIGACTION
         compat_uptr_t                   sa_handler;
         compat_ulong_t                  sa_flags;
 #else
-        compat_ulong_t                  sa_flags;
+        compat_uint_t                   sa_flags;
         compat_uptr_t                   sa_handler;
 #endif
 #ifdef __ARCH_HAS_SA_RESTORER
diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
index e83ef39b3bea..fe8c4476f7e4 100644
--- a/include/linux/devfreq.h
+++ b/include/linux/devfreq.h
@@ -213,7 +213,7 @@ struct devfreq_simple_ondemand_data {
 #endif
 
 #else /* !CONFIG_PM_DEVFREQ */
-static struct devfreq *devfreq_add_device(struct device *dev,
+static inline struct devfreq *devfreq_add_device(struct device *dev,
                                           struct devfreq_dev_profile *profile,
                                           const char *governor_name,
                                           void *data)
@@ -221,34 +221,34 @@ static struct devfreq *devfreq_add_device(struct device *dev,
         return NULL;
 }
 
-static int devfreq_remove_device(struct devfreq *devfreq)
+static inline int devfreq_remove_device(struct devfreq *devfreq)
 {
         return 0;
 }
 
-static int devfreq_suspend_device(struct devfreq *devfreq)
+static inline int devfreq_suspend_device(struct devfreq *devfreq)
 {
         return 0;
 }
 
-static int devfreq_resume_device(struct devfreq *devfreq)
+static inline int devfreq_resume_device(struct devfreq *devfreq)
 {
         return 0;
 }
 
-static struct opp *devfreq_recommended_opp(struct device *dev,
+static inline struct opp *devfreq_recommended_opp(struct device *dev,
                                            unsigned long *freq, u32 flags)
 {
-        return -EINVAL;
+        return ERR_PTR(-EINVAL);
 }
 
-static int devfreq_register_opp_notifier(struct device *dev,
+static inline int devfreq_register_opp_notifier(struct device *dev,
                                          struct devfreq *devfreq)
 {
         return -EINVAL;
 }
 
-static int devfreq_unregister_opp_notifier(struct device *dev,
+static inline int devfreq_unregister_opp_notifier(struct device *dev,
                                            struct devfreq *devfreq)
 {
         return -EINVAL;
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 2fc816682714..3f7257f1f5e8 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -333,6 +333,7 @@ typedef efi_status_t efi_query_capsule_caps_t(efi_capsule_header_t **capsules,
                                               unsigned long count,
                                               u64 *max_size,
                                               int *reset_type);
+typedef efi_status_t efi_query_variable_store_t(u32 attributes, unsigned long size);
 
 /*
  *  EFI Configuration Table and GUID definitions
@@ -575,9 +576,15 @@ extern void efi_enter_virtual_mode (void);	/* switch EFI to virtual mode, if pos
 #ifdef CONFIG_X86
 extern void efi_late_init(void);
 extern void efi_free_boot_services(void);
+extern efi_status_t efi_query_variable_store(u32 attributes, unsigned long size);
 #else
 static inline void efi_late_init(void) {}
 static inline void efi_free_boot_services(void) {}
+
+static inline efi_status_t efi_query_variable_store(u32 attributes, unsigned long size)
+{
+        return EFI_SUCCESS;
+}
 #endif
 extern void __iomem *efi_lookup_mapped_addr(u64 phys_addr);
 extern u64 efi_get_iobase (void);
@@ -725,51 +732,6 @@ static inline void memrange_efi_to_native(u64 *addr, u64 *npages)
         *addr &= PAGE_MASK;
 }
 
-/* Return the number of unicode characters in data */
-static inline unsigned long
-utf16_strnlen(efi_char16_t *s, size_t maxlength)
-{
-        unsigned long length = 0;
-
-        while (*s++ != 0 && length < maxlength)
-                length++;
-        return length;
-}
-
-static inline unsigned long
-utf16_strlen(efi_char16_t *s)
-{
-        return utf16_strnlen(s, ~0UL);
-}
-
-/*
- * Return the number of bytes is the length of this string
- * Note: this is NOT the same as the number of unicode characters
- */
-static inline unsigned long
-utf16_strsize(efi_char16_t *data, unsigned long maxlength)
-{
-        return utf16_strnlen(data, maxlength/sizeof(efi_char16_t)) * sizeof(efi_char16_t);
-}
-
-static inline int
-utf16_strncmp(const efi_char16_t *a, const efi_char16_t *b, size_t len)
-{
-        while (1) {
-                if (len == 0)
-                        return 0;
-                if (*a < *b)
-                        return -1;
-                if (*a > *b)
-                        return 1;
-                if (*a == 0) /* implies *b == 0 */
-                        return 0;
-                a++;
-                b++;
-                len--;
-        }
-}
-
 /*
  * EFI Variable support.
  *
@@ -781,7 +743,7 @@ struct efivar_operations {
         efi_get_variable_t *get_variable;
         efi_get_next_variable_t *get_next_variable;
         efi_set_variable_t *set_variable;
-        efi_query_variable_info_t *query_variable_info;
+        efi_query_variable_store_t *query_variable_store;
 };
 
 struct efivars {
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index e5ca8ef50e9b..52da2a250795 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -89,6 +89,7 @@ typedef void (*ftrace_func_t)(unsigned long ip, unsigned long parent_ip,
  *            that the call back has its own recursion protection. If it does
  *            not set this, then the ftrace infrastructure will add recursion
  *            protection for the caller.
+ * STUB   - The ftrace_ops is just a place holder.
  */
 enum {
         FTRACE_OPS_FL_ENABLED                   = 1 << 0,
@@ -98,6 +99,7 @@ enum {
         FTRACE_OPS_FL_SAVE_REGS                 = 1 << 4,
         FTRACE_OPS_FL_SAVE_REGS_IF_SUPPORTED    = 1 << 5,
         FTRACE_OPS_FL_RECURSION_SAFE            = 1 << 6,
+        FTRACE_OPS_FL_STUB                      = 1 << 7,
 };
 
 struct ftrace_ops {
@@ -394,7 +396,6 @@ ssize_t ftrace_filter_write(struct file *file, const char __user *ubuf,
                             size_t cnt, loff_t *ppos);
 ssize_t ftrace_notrace_write(struct file *file, const char __user *ubuf,
                              size_t cnt, loff_t *ppos);
-loff_t ftrace_regex_lseek(struct file *file, loff_t offset, int whence);
 int ftrace_regex_release(struct inode *inode, struct file *file);
 
 void __init
@@ -567,6 +568,8 @@ static inline int
 ftrace_regex_release(struct inode *inode, struct file *file) { return -ENODEV; }
 #endif /* CONFIG_DYNAMIC_FTRACE */
 
+loff_t ftrace_filter_lseek(struct file *file, loff_t offset, int whence);
+
 /* totally disable ftrace - can not re-enable after this */
 void ftrace_kill(void);
 
diff --git a/include/linux/kexec.h b/include/linux/kexec.h
index d2e6927bbaae..d78d28a733b1 100644
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -200,6 +200,8 @@ extern size_t vmcoreinfo_max_size;
 
 int __init parse_crashkernel(char *cmdline, unsigned long long system_ram,
                 unsigned long long *crash_size, unsigned long long *crash_base);
+int parse_crashkernel_high(char *cmdline, unsigned long long system_ram,
+                unsigned long long *crash_size, unsigned long long *crash_base);
 int parse_crashkernel_low(char *cmdline, unsigned long long system_ram,
                 unsigned long long *crash_size, unsigned long long *crash_base);
 int crash_shrink_memory(unsigned long new_size);
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index cad77fe09d77..c13958251927 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -518,7 +518,7 @@ int kvm_write_guest(struct kvm *kvm, gpa_t gpa, const void *data,
 int kvm_write_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
                            void *data, unsigned long len);
 int kvm_gfn_to_hva_cache_init(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
-                              gpa_t gpa);
+                              gpa_t gpa, unsigned long len);
 int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len);
 int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len);
 struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn);
diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h
index fa7cc7244cbd..b0bcce0ddc95 100644
--- a/include/linux/kvm_types.h
+++ b/include/linux/kvm_types.h
@@ -71,6 +71,7 @@ struct gfn_to_hva_cache {
         u64 generation;
         gpa_t gpa;
         unsigned long hva;
+        unsigned long len;
         struct kvm_memory_slot *memslot;
 };
 
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 91c9d109e5f1..eae7a053dc51 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -398,6 +398,7 @@ enum {
         ATA_HORKAGE_NOSETXFER   = (1 << 14),    /* skip SETXFER, SATA only */
         ATA_HORKAGE_BROKEN_FPDMA_AA     = (1 << 15),    /* skip AA */
         ATA_HORKAGE_DUMP_ID     = (1 << 16),    /* dump IDENTIFY data */
+        ATA_HORKAGE_MAX_SEC_LBA48 = (1 << 17),  /* Set max sects to 65535 */
 
          /* DMA mask for user DMA control: User visible values; DO NOT
             renumber */
diff --git a/include/linux/mm.h b/include/linux/mm.h
index e19ff30ad0a2..e2091b88d24c 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1611,6 +1611,8 @@ int vm_insert_pfn(struct vm_area_struct *vma, unsigned long addr,
                         unsigned long pfn);
 int vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr,
                         unsigned long pfn);
+int vm_iomap_memory(struct vm_area_struct *vma, phys_addr_t start, unsigned long len);
+
 
 struct page *follow_page_mask(struct vm_area_struct *vma,
                               unsigned long address, unsigned int foll_flags,
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index b3d00fa4b314..6151e903eef0 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -210,9 +210,9 @@ struct netdev_hw_addr {
 #define NETDEV_HW_ADDR_T_SLAVE          3
 #define NETDEV_HW_ADDR_T_UNICAST        4
 #define NETDEV_HW_ADDR_T_MULTICAST      5
-        bool                    synced;
         bool                    global_use;
         int                     refcount;
+        int                     synced;
         struct rcu_head         rcu_head;
 };
 
@@ -895,7 +895,7 @@ struct netdev_fcoe_hbainfo {
  *
  * int (*ndo_bridge_setlink)(struct net_device *dev, struct nlmsghdr *nlh)
  * int (*ndo_bridge_getlink)(struct sk_buff *skb, u32 pid, u32 seq,
- *                           struct net_device *dev)
+ *                           struct net_device *dev, u32 filter_mask)
  *
  * int (*ndo_change_carrier)(struct net_device *dev, bool new_carrier);
  *      Called to change device carrier. Soft-devices (like dummy, team, etc)
diff --git a/include/linux/netfilter/ipset/ip_set_ahash.h b/include/linux/netfilter/ipset/ip_set_ahash.h
index 01d25e6fc792..0214c4c146fa 100644
--- a/include/linux/netfilter/ipset/ip_set_ahash.h
+++ b/include/linux/netfilter/ipset/ip_set_ahash.h
@@ -291,6 +291,7 @@ ip_set_hash_destroy(struct ip_set *set)
 #define type_pf_data_tlist      TOKEN(TYPE, PF, _data_tlist)
 #define type_pf_data_next       TOKEN(TYPE, PF, _data_next)
 #define type_pf_data_flags      TOKEN(TYPE, PF, _data_flags)
+#define type_pf_data_reset_flags TOKEN(TYPE, PF, _data_reset_flags)
 #ifdef IP_SET_HASH_WITH_NETS
 #define type_pf_data_match      TOKEN(TYPE, PF, _data_match)
 #else
@@ -385,9 +386,9 @@ type_pf_resize(struct ip_set *set, bool retried)
         struct ip_set_hash *h = set->data;
         struct htable *t, *orig = h->table;
         u8 htable_bits = orig->htable_bits;
-        const struct type_pf_elem *data;
+        struct type_pf_elem *data;
         struct hbucket *n, *m;
-        u32 i, j;
+        u32 i, j, flags = 0;
         int ret;
 
 retry:
@@ -412,9 +413,16 @@ retry:
                 n = hbucket(orig, i);
                 for (j = 0; j < n->pos; j++) {
                         data = ahash_data(n, j);
+#ifdef IP_SET_HASH_WITH_NETS
+                        flags = 0;
+                        type_pf_data_reset_flags(data, &flags);
+#endif
                         m = hbucket(t, HKEY(data, h->initval, htable_bits));
-                        ret = type_pf_elem_add(m, data, AHASH_MAX(h), 0);
+                        ret = type_pf_elem_add(m, data, AHASH_MAX(h), flags);
                         if (ret < 0) {
+#ifdef IP_SET_HASH_WITH_NETS
+                                type_pf_data_flags(data, flags);
+#endif
                                 read_unlock_bh(&set->lock);
                                 ahash_destroy(t);
                                 if (ret == -EAGAIN)
@@ -836,9 +844,9 @@ type_pf_tresize(struct ip_set *set, bool retried)
         struct ip_set_hash *h = set->data;
         struct htable *t, *orig = h->table;
         u8 htable_bits = orig->htable_bits;
-        const struct type_pf_elem *data;
+        struct type_pf_elem *data;
         struct hbucket *n, *m;
-        u32 i, j;
+        u32 i, j, flags = 0;
         int ret;
 
         /* Try to cleanup once */
@@ -873,10 +881,17 @@ retry:
                 n = hbucket(orig, i);
                 for (j = 0; j < n->pos; j++) {
                         data = ahash_tdata(n, j);
+#ifdef IP_SET_HASH_WITH_NETS
+                        flags = 0;
+                        type_pf_data_reset_flags(data, &flags);
+#endif
                         m = hbucket(t, HKEY(data, h->initval, htable_bits));
-                        ret = type_pf_elem_tadd(m, data, AHASH_MAX(h), 0,
-                                                ip_set_timeout_get(type_pf_data_timeout(data)));
+                        ret = type_pf_elem_tadd(m, data, AHASH_MAX(h), flags,
+                                ip_set_timeout_get(type_pf_data_timeout(data)));
                         if (ret < 0) {
+#ifdef IP_SET_HASH_WITH_NETS
+                                type_pf_data_flags(data, flags);
+#endif
                                 read_unlock_bh(&set->lock);
                                 ahash_destroy(t);
                                 if (ret == -EAGAIN)
@@ -1187,6 +1202,7 @@ type_pf_gc_init(struct ip_set *set)
 #undef type_pf_data_tlist
 #undef type_pf_data_next
 #undef type_pf_data_flags
+#undef type_pf_data_reset_flags
 #undef type_pf_data_match
 
 #undef type_pf_elem
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 2461033a7987..710067f3618c 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -916,6 +916,7 @@ void pci_disable_rom(struct pci_dev *pdev);
 void __iomem __must_check *pci_map_rom(struct pci_dev *pdev, size_t *size);
 void pci_unmap_rom(struct pci_dev *pdev, void __iomem *rom);
 size_t pci_get_rom_size(struct pci_dev *pdev, void __iomem *rom, size_t size);
+void __iomem __must_check *pci_platform_rom(struct pci_dev *pdev, size_t *size);
 
 /* Power management related routines */
 int pci_save_state(struct pci_dev *dev);
diff --git a/include/linux/preempt.h b/include/linux/preempt.h
index 5a710b9c578e..87a03c746f17 100644
--- a/include/linux/preempt.h
+++ b/include/linux/preempt.h
@@ -93,14 +93,20 @@ do { \
 
 #else /* !CONFIG_PREEMPT_COUNT */
 
-#define preempt_disable()               do { } while (0)
-#define sched_preempt_enable_no_resched()       do { } while (0)
-#define preempt_enable_no_resched()     do { } while (0)
-#define preempt_enable()                do { } while (0)
-
-#define preempt_disable_notrace()               do { } while (0)
-#define preempt_enable_no_resched_notrace()     do { } while (0)
-#define preempt_enable_notrace()                do { } while (0)
+/*
+ * Even if we don't have any preemption, we need preempt disable/enable
+ * to be barriers, so that we don't have things like get_user/put_user
+ * that can cause faults and scheduling migrate into our preempt-protected
+ * region.
+ */
+#define preempt_disable()               barrier()
+#define sched_preempt_enable_no_resched()       barrier()
+#define preempt_enable_no_resched()     barrier()
+#define preempt_enable()                barrier()
+
+#define preempt_disable_notrace()               barrier()
+#define preempt_enable_no_resched_notrace()     barrier()
+#define preempt_enable_notrace()                barrier()
 
 #endif /* CONFIG_PREEMPT_COUNT */
 
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 8307f2f94d86..94dfb2aa5533 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -117,6 +117,7 @@ struct proc_dir_entry *proc_create_data(const char *name, umode_t mode,
                                 const struct file_operations *proc_fops,
                                 void *data);
 extern void remove_proc_entry(const char *name, struct proc_dir_entry *parent);
+extern int remove_proc_subtree(const char *name, struct proc_dir_entry *parent);
 
 struct pid_namespace;
 
@@ -202,6 +203,7 @@ static inline struct proc_dir_entry *proc_create_data(const char *name,
         return NULL;
 }
 #define remove_proc_entry(name, parent) do {} while (0)
+#define remove_proc_subtree(name, parent) do {} while (0)
 
 static inline struct proc_dir_entry *proc_symlink(const char *name,
                 struct proc_dir_entry *parent,const char *dest) {return NULL;}
diff --git a/include/linux/sched.h b/include/linux/sched.h
index d35d2b6ddbfb..e692a022527b 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -163,9 +163,10 @@ print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
 #define TASK_DEAD               64
 #define TASK_WAKEKILL           128
 #define TASK_WAKING             256
-#define TASK_STATE_MAX          512
+#define TASK_PARKED             512
+#define TASK_STATE_MAX          1024
 
-#define TASK_STATE_TO_CHAR_STR "RSDTtZXxKW"
+#define TASK_STATE_TO_CHAR_STR "RSDTtZXxKWP"
 
 extern char ___assert_task_state[1 - 2*!!(
                 sizeof(TASK_STATE_TO_CHAR_STR)-1 != ilog2(TASK_STATE_MAX)+1)];
diff --git a/include/linux/security.h b/include/linux/security.h
index eee7478cda70..032c366ef1c6 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1012,6 +1012,10 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      This hook can be used by the module to update any security state
  *      associated with the TUN device's security structure.
  *      @security pointer to the TUN devices's security structure.
+ * @skb_owned_by:
+ *      This hook sets the packet's owning sock.
+ *      @skb is the packet.
+ *      @sk the sock which owns the packet.
  *
  * Security hooks for XFRM operations.
  *
@@ -1638,6 +1642,7 @@ struct security_operations {
         int (*tun_dev_attach_queue) (void *security);
         int (*tun_dev_attach) (struct sock *sk, void *security);
         int (*tun_dev_open) (void *security);
+        void (*skb_owned_by) (struct sk_buff *skb, struct sock *sk);
 #endif  /* CONFIG_SECURITY_NETWORK */
 
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
@@ -2588,6 +2593,8 @@ int security_tun_dev_attach_queue(void *security);
 int security_tun_dev_attach(struct sock *sk, void *security);
 int security_tun_dev_open(void *security);
 
+void security_skb_owned_by(struct sk_buff *skb, struct sock *sk);
+
 #else   /* CONFIG_SECURITY_NETWORK */
 static inline int security_unix_stream_connect(struct sock *sock,
                                                struct sock *other,
@@ -2779,6 +2786,11 @@ static inline int security_tun_dev_open(void *security)
 {
         return 0;
 }
+
+static inline void security_skb_owned_by(struct sk_buff *skb, struct sock *sk)
+{
+}
+
 #endif  /* CONFIG_SECURITY_NETWORK */
 
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
diff --git a/include/linux/signal.h b/include/linux/signal.h
index a2dcb94ea49d..9475c5cb28bc 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -250,11 +250,11 @@ extern int show_unhandled_signals;
 extern int sigsuspend(sigset_t *);
 
 struct sigaction {
-#ifndef __ARCH_HAS_ODD_SIGACTION
+#ifndef __ARCH_HAS_IRIX_SIGACTION
         __sighandler_t  sa_handler;
         unsigned long   sa_flags;
 #else
-        unsigned long   sa_flags;
+        unsigned int    sa_flags;
         __sighandler_t  sa_handler;
 #endif
 #ifdef __ARCH_HAS_SA_RESTORER
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 441f5bfdab8e..b8292d8cc9fa 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2643,6 +2643,13 @@ static inline void nf_reset(struct sk_buff *skb)
 #endif
 }
 
+static inline void nf_reset_trace(struct sk_buff *skb)
+{
+#if IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TRACE)
+        skb->nf_trace = 0;
+#endif
+}
+
 /* Note: This doesn't put any conntrack and bridge info in dst. */
 static inline void __nf_copy(struct sk_buff *dst, const struct sk_buff *src)
 {
diff --git a/include/linux/spinlock_up.h b/include/linux/spinlock_up.h
index a26e2fb604e6..e2369c167dbd 100644
--- a/include/linux/spinlock_up.h
+++ b/include/linux/spinlock_up.h
@@ -16,7 +16,10 @@
  * In the debug case, 1 means unlocked, 0 means locked. (the values
  * are inverted, to catch initialization bugs)
  *
- * No atomicity anywhere, we are on UP.
+ * No atomicity anywhere, we are on UP. However, we still need
+ * the compiler barriers, because we do not want the compiler to
+ * move potentially faulting instructions (notably user accesses)
+ * into the locked sequence, resulting in non-atomic execution.
  */
 
 #ifdef CONFIG_DEBUG_SPINLOCK
@@ -25,6 +28,7 @@
 static inline void arch_spin_lock(arch_spinlock_t *lock)
 {
         lock->slock = 0;
+        barrier();
 }
 
 static inline void
@@ -32,6 +36,7 @@ arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags)
 {
         local_irq_save(flags);
         lock->slock = 0;
+        barrier();
 }
 
 static inline int arch_spin_trylock(arch_spinlock_t *lock)
@@ -39,32 +44,34 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock)
         char oldval = lock->slock;
 
         lock->slock = 0;
+        barrier();
 
         return oldval > 0;
 }
 
 static inline void arch_spin_unlock(arch_spinlock_t *lock)
 {
+        barrier();
         lock->slock = 1;
 }
 
 /*
  * Read-write spinlocks. No debug version.
  */
-#define arch_read_lock(lock)            do { (void)(lock); } while (0)
-#define arch_write_lock(lock)           do { (void)(lock); } while (0)
-#define arch_read_trylock(lock) ({ (void)(lock); 1; })
-#define arch_write_trylock(lock)        ({ (void)(lock); 1; })
-#define arch_read_unlock(lock)          do { (void)(lock); } while (0)
-#define arch_write_unlock(lock) do { (void)(lock); } while (0)
+#define arch_read_lock(lock)            do { barrier(); (void)(lock); } while (0)
+#define arch_write_lock(lock)           do { barrier(); (void)(lock); } while (0)
+#define arch_read_trylock(lock) ({ barrier(); (void)(lock); 1; })
+#define arch_write_trylock(lock)        ({ barrier(); (void)(lock); 1; })
+#define arch_read_unlock(lock)          do { barrier(); (void)(lock); } while (0)
+#define arch_write_unlock(lock) do { barrier(); (void)(lock); } while (0)
 
 #else /* DEBUG_SPINLOCK */
 #define arch_spin_is_locked(lock)       ((void)(lock), 0)
 /* for sched.c and kernel_lock.c: */
-# define arch_spin_lock(lock)           do { (void)(lock); } while (0)
-# define arch_spin_lock_flags(lock, flags)      do { (void)(lock); } while (0)
-# define arch_spin_unlock(lock) do { (void)(lock); } while (0)
-# define arch_spin_trylock(lock)        ({ (void)(lock); 1; })
+# define arch_spin_lock(lock)           do { barrier(); (void)(lock); } while (0)
+# define arch_spin_lock_flags(lock, flags)      do { barrier(); (void)(lock); } while (0)
+# define arch_spin_unlock(lock) do { barrier(); (void)(lock); } while (0)
+# define arch_spin_trylock(lock)        ({ barrier(); (void)(lock); 1; })
 #endif /* DEBUG_SPINLOCK */
 
 #define arch_spin_is_contended(lock)    (((void)(lock), 0))
diff --git a/include/linux/ssb/ssb_driver_chipcommon.h b/include/linux/ssb/ssb_driver_chipcommon.h
index 9e492be5244b..6fcfe99bd999 100644
--- a/include/linux/ssb/ssb_driver_chipcommon.h
+++ b/include/linux/ssb/ssb_driver_chipcommon.h
@@ -219,6 +219,7 @@
 #define SSB_CHIPCO_PMU_CTL                      0x0600 /* PMU control */
 #define  SSB_CHIPCO_PMU_CTL_ILP_DIV             0xFFFF0000 /* ILP div mask */
 #define  SSB_CHIPCO_PMU_CTL_ILP_DIV_SHIFT       16
+#define  SSB_CHIPCO_PMU_CTL_PLL_UPD             0x00000400
 #define  SSB_CHIPCO_PMU_CTL_NOILPONW            0x00000200 /* No ILP on wait */
 #define  SSB_CHIPCO_PMU_CTL_HTREQEN             0x00000100 /* HT req enable */
 #define  SSB_CHIPCO_PMU_CTL_ALPREQEN            0x00000080 /* ALP req enable */
@@ -667,5 +668,6 @@ enum ssb_pmu_ldo_volt_id {
 void ssb_pmu_set_ldo_voltage(struct ssb_chipcommon *cc,
                              enum ssb_pmu_ldo_volt_id id, u32 voltage);
 void ssb_pmu_set_ldo_paref(struct ssb_chipcommon *cc, bool on);
+void ssb_pmu_spuravoid_pllupdate(struct ssb_chipcommon *cc, int spuravoid);
 
 #endif /* LINUX_SSB_CHIPCO_H_ */
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 2de42f9401d2..a5ffd32642fd 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -25,6 +25,7 @@ extern int swiotlb_force;
 extern void swiotlb_init(int verbose);
 int swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose);
 extern unsigned long swiotlb_nr_tbl(void);
+unsigned long swiotlb_size_or_default(void);
 extern int swiotlb_late_init_with_tbl(char *tlb, unsigned long nslabs);
 
 /*
diff --git a/include/linux/ucs2_string.h b/include/linux/ucs2_string.h
new file mode 100644
index 000000000000..cbb20afdbc01
--- /dev/null
+++ b/include/linux/ucs2_string.h
@@ -0,0 +1,14 @@
+#ifndef _LINUX_UCS2_STRING_H_
+#define _LINUX_UCS2_STRING_H_
+
+#include <linux/types.h>        /* for size_t */
+#include <linux/stddef.h>       /* for NULL */
+
+typedef u16 ucs2_char_t;
+
+unsigned long ucs2_strnlen(const ucs2_char_t *s, size_t maxlength);
+unsigned long ucs2_strlen(const ucs2_char_t *s);
+unsigned long ucs2_strsize(const ucs2_char_t *data, unsigned long maxlength);
+int ucs2_strncmp(const ucs2_char_t *a, const ucs2_char_t *b, size_t len);
+
+#endif /* _LINUX_UCS2_STRING_H_ */
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 40be2a0d8ae1..84a6440f1f19 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -199,6 +199,7 @@ extern bool ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
 /* Device notifier */
 extern int register_inet6addr_notifier(struct notifier_block *nb);
 extern int unregister_inet6addr_notifier(struct notifier_block *nb);
+extern int inet6addr_notifier_call_chain(unsigned long val, void *v);
 
 extern void inet6_netconf_notify_devconf(struct net *net, int type, int ifindex,
                                          struct ipv6_devconf *devconf);
diff --git a/include/net/irda/irlmp.h b/include/net/irda/irlmp.h
index f74109144d3f..f132924cc9da 100644
--- a/include/net/irda/irlmp.h
+++ b/include/net/irda/irlmp.h
@@ -256,7 +256,8 @@ static inline __u32 irlmp_get_daddr(const struct lsap_cb *self)
         return (self && self->lap) ? self->lap->daddr : 0;
 }
 
-extern const char *irlmp_reasons[];
+const char *irlmp_reason_str(LM_REASON reason);
+
 extern int sysctl_discovery_timeout;
 extern int sysctl_discovery_slots;
 extern int sysctl_discovery;
diff --git a/include/net/iucv/af_iucv.h b/include/net/iucv/af_iucv.h
index cc7c19732389..714cc9a54a4c 100644
--- a/include/net/iucv/af_iucv.h
+++ b/include/net/iucv/af_iucv.h
@@ -130,6 +130,14 @@ struct iucv_sock {
                                                enum iucv_tx_notify n);
 };
 
+struct iucv_skb_cb {
+        u32     class;          /* target class of message */
+        u32     tag;            /* tag associated with message */
+        u32     offset;         /* offset for skb receival */
+};
+
+#define IUCV_SKB_CB(__skb)      ((struct iucv_skb_cb *)&((__skb)->cb[0]))
+
 /* iucv socket options (SOL_IUCV) */
 #define SO_IPRMDATA_MSG 0x0080          /* send/recv IPRM_DATA msgs */
 #define SO_MSGLIMIT     0x1000          /* get/set IUCV MSGLIMIT */
diff --git a/include/net/scm.h b/include/net/scm.h
index 975cca01048b..b11708105681 100644
--- a/include/net/scm.h
+++ b/include/net/scm.h
@@ -56,8 +56,8 @@ static __inline__ void scm_set_cred(struct scm_cookie *scm,
         scm->pid  = get_pid(pid);
         scm->cred = cred ? get_cred(cred) : NULL;
         scm->creds.pid = pid_vnr(pid);
-        scm->creds.uid = cred ? cred->euid : INVALID_UID;
-        scm->creds.gid = cred ? cred->egid : INVALID_GID;
+        scm->creds.uid = cred ? cred->uid : INVALID_UID;
+        scm->creds.gid = cred ? cred->gid : INVALID_GID;
 }
 
 static __inline__ void scm_destroy_cred(struct scm_cookie *scm)
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 399162b50a8d..e1379b4e8faf 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -1074,7 +1074,8 @@ void fc_rport_terminate_io(struct fc_rport *);
 /*
  * DISCOVERY LAYER
  *****************************/
-int fc_disc_init(struct fc_lport *);
+void fc_disc_init(struct fc_lport *);
+void fc_disc_config(struct fc_lport *, void *);
 
 static inline struct fc_lport *fc_disc_lport(struct fc_disc *disc)
 {
diff --git a/include/sound/max98090.h b/include/sound/max98090.h
index 95efb13f8478..95efb13f8478 100755..100644
--- a/include/sound/max98090.h
+++ b/include/sound/max98090.h
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index e1ef63d4a5c4..44a30b108683 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -488,6 +488,7 @@ struct snd_soc_dapm_path {
         /* status */
         u32 connect:1;  /* source and sink widgets are connected */
         u32 walked:1;   /* path has been walked */
+        u32 walking:1;  /* path is in the process of being walked */
         u32 weak:1;     /* path ignored for power management */
 
         int (*connected)(struct snd_soc_dapm_widget *source,
diff --git a/include/trace/events/block.h b/include/trace/events/block.h
index 9961726523d0..9c1467357b03 100644
--- a/include/trace/events/block.h
+++ b/include/trace/events/block.h
@@ -257,6 +257,7 @@ TRACE_EVENT(block_bio_bounce,
 
 /**
  * block_bio_complete - completed all work on the block operation
+ * @q: queue holding the block operation
  * @bio: block operation completed
  * @error: io error value
  *
@@ -265,9 +266,9 @@ TRACE_EVENT(block_bio_bounce,
  */
 TRACE_EVENT(block_bio_complete,
 
-        TP_PROTO(struct bio *bio, int error),
+        TP_PROTO(struct request_queue *q, struct bio *bio, int error),
 
-        TP_ARGS(bio, error),
+        TP_ARGS(q, bio, error),
 
         TP_STRUCT__entry(
                 __field( dev_t,         dev             )
@@ -278,8 +279,7 @@ TRACE_EVENT(block_bio_complete,
         ),
 
         TP_fast_assign(
-                __entry->dev            = bio->bi_bdev ?
-                                          bio->bi_bdev->bd_dev : 0;
+                __entry->dev            = bio->bi_bdev->bd_dev;
                 __entry->sector         = bio->bi_sector;
                 __entry->nr_sector      = bio->bi_size >> 9;
                 __entry->error          = error;
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index 5a8671e8a67f..e5586caff67a 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -147,7 +147,7 @@ TRACE_EVENT(sched_switch,
                   __print_flags(__entry->prev_state & (TASK_STATE_MAX-1), "|",
                                 { 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" },
                                 { 16, "Z" }, { 32, "X" }, { 64, "x" },
-                                { 128, "W" }) : "R",
+                                { 128, "K" }, { 256, "W" }, { 512, "P" }) : "R",
                 __entry->prev_state & TASK_STATE_MAX ? "+" : "",
                 __entry->next_comm, __entry->next_pid, __entry->next_prio)
 );
diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h
index 4c43b4448792..706d035fa748 100644
--- a/include/uapi/linux/fuse.h
+++ b/include/uapi/linux/fuse.h
@@ -95,15 +95,10 @@
 #ifndef _LINUX_FUSE_H
 #define _LINUX_FUSE_H
 
-#ifdef __linux__
+#ifdef __KERNEL__
 #include <linux/types.h>
 #else
 #include <stdint.h>
-#define __u64 uint64_t
-#define __s64 int64_t
-#define __u32 uint32_t
-#define __s32 int32_t
-#define __u16 uint16_t
 #endif
 
 /*
@@ -139,42 +134,42 @@
    userspace works under 64bit kernels */
 
 struct fuse_attr {
-        __u64   ino;
-        __u64   size;
-        __u64   blocks;
-        __u64   atime;
-        __u64   mtime;
-        __u64   ctime;
-        __u32   atimensec;
-        __u32   mtimensec;
-        __u32   ctimensec;
-        __u32   mode;
-        __u32   nlink;
-        __u32   uid;
-        __u32   gid;
-        __u32   rdev;
-        __u32   blksize;
-        __u32   padding;
+        uint64_t        ino;
+        uint64_t        size;
+        uint64_t        blocks;
+        uint64_t        atime;
+        uint64_t        mtime;
+        uint64_t        ctime;
+        uint32_t        atimensec;
+        uint32_t        mtimensec;
+        uint32_t        ctimensec;
+        uint32_t        mode;
+        uint32_t        nlink;
+        uint32_t        uid;
+        uint32_t        gid;
+        uint32_t        rdev;
+        uint32_t        blksize;
+        uint32_t        padding;
 };
 
 struct fuse_kstatfs {
-        __u64   blocks;
-        __u64   bfree;
-        __u64   bavail;
-        __u64   files;
-        __u64   ffree;
-        __u32   bsize;
-        __u32   namelen;
-        __u32   frsize;
-        __u32   padding;
-        __u32   spare[6];
+        uint64_t        blocks;
+        uint64_t        bfree;
+        uint64_t        bavail;
+        uint64_t        files;
+        uint64_t        ffree;
+        uint32_t        bsize;
+        uint32_t        namelen;
+        uint32_t        frsize;
+        uint32_t        padding;
+        uint32_t        spare[6];
 };
 
 struct fuse_file_lock {
-        __u64   start;
-        __u64   end;
-        __u32   type;
-        __u32   pid; /* tgid */
+        uint64_t        start;
+        uint64_t        end;
+        uint32_t        type;
+        uint32_t        pid; /* tgid */
 };
 
 /**
@@ -364,143 +359,143 @@ enum fuse_notify_code {
 #define FUSE_COMPAT_ENTRY_OUT_SIZE 120
 
 struct fuse_entry_out {
-        __u64   nodeid;         /* Inode ID */
-        __u64   generation;     /* Inode generation: nodeid:gen must
-                                   be unique for the fs's lifetime */
-        __u64   entry_valid;    /* Cache timeout for the name */
-        __u64   attr_valid;     /* Cache timeout for the attributes */
-        __u32   entry_valid_nsec;
-        __u32   attr_valid_nsec;
+        uint64_t        nodeid;         /* Inode ID */
+        uint64_t        generation;     /* Inode generation: nodeid:gen must
+                                           be unique for the fs's lifetime */
+        uint64_t        entry_valid;    /* Cache timeout for the name */
+        uint64_t        attr_valid;     /* Cache timeout for the attributes */
+        uint32_t        entry_valid_nsec;
+        uint32_t        attr_valid_nsec;
         struct fuse_attr attr;
 };
 
 struct fuse_forget_in {
-        __u64   nlookup;
+        uint64_t        nlookup;
 };
 
 struct fuse_forget_one {
-        __u64   nodeid;
-        __u64   nlookup;
+        uint64_t        nodeid;
+        uint64_t        nlookup;
 };
 
 struct fuse_batch_forget_in {
-        __u32   count;
-        __u32   dummy;
+        uint32_t        count;
+        uint32_t        dummy;
 };
 
 struct fuse_getattr_in {
-        __u32   getattr_flags;
-        __u32   dummy;
-        __u64   fh;
+        uint32_t        getattr_flags;
+        uint32_t        dummy;
+        uint64_t        fh;
 };
 
 #define FUSE_COMPAT_ATTR_OUT_SIZE 96
 
 struct fuse_attr_out {
-        __u64   attr_valid;     /* Cache timeout for the attributes */
-        __u32   attr_valid_nsec;
-        __u32   dummy;
+        uint64_t        attr_valid;     /* Cache timeout for the attributes */
+        uint32_t        attr_valid_nsec;
+        uint32_t        dummy;
         struct fuse_attr attr;
 };
 
 #define FUSE_COMPAT_MKNOD_IN_SIZE 8
 
 struct fuse_mknod_in {
-        __u32   mode;
-        __u32   rdev;
-        __u32   umask;
-        __u32   padding;
+        uint32_t        mode;
+        uint32_t        rdev;
+        uint32_t        umask;
+        uint32_t        padding;
 };
 
 struct fuse_mkdir_in {
-        __u32   mode;
-        __u32   umask;
+        uint32_t        mode;
+        uint32_t        umask;
 };
 
 struct fuse_rename_in {
-        __u64   newdir;
+        uint64_t        newdir;
 };
 
 struct fuse_link_in {
-        __u64   oldnodeid;
+        uint64_t        oldnodeid;
 };
 
 struct fuse_setattr_in {
-        __u32   valid;
-        __u32   padding;
-        __u64   fh;
-        __u64   size;
-        __u64   lock_owner;
-        __u64   atime;
-        __u64   mtime;
-        __u64   unused2;
-        __u32   atimensec;
-        __u32   mtimensec;
-        __u32   unused3;
-        __u32   mode;
-        __u32   unused4;
-        __u32   uid;
-        __u32   gid;
-        __u32   unused5;
+        uint32_t        valid;
+        uint32_t        padding;
+        uint64_t        fh;
+        uint64_t        size;
+        uint64_t        lock_owner;
+        uint64_t        atime;
+        uint64_t        mtime;
+        uint64_t        unused2;
+        uint32_t        atimensec;
+        uint32_t        mtimensec;
+        uint32_t        unused3;
+        uint32_t        mode;
+        uint32_t        unused4;
+        uint32_t        uid;
+        uint32_t        gid;
+        uint32_t        unused5;
 };
 
 struct fuse_open_in {
-        __u32   flags;
-        __u32   unused;
+        uint32_t        flags;
+        uint32_t        unused;
 };
 
 struct fuse_create_in {
-        __u32   flags;
-        __u32   mode;
-        __u32   umask;
-        __u32   padding;
+        uint32_t        flags;
+        uint32_t        mode;
+        uint32_t        umask;
+        uint32_t        padding;
 };
 
 struct fuse_open_out {
-        __u64   fh;
-        __u32   open_flags;
-        __u32   padding;
+        uint64_t        fh;
+        uint32_t        open_flags;
+        uint32_t        padding;
 };
 
 struct fuse_release_in {
-        __u64   fh;
-        __u32   flags;
-        __u32   release_flags;
-        __u64   lock_owner;
+        uint64_t        fh;
+        uint32_t        flags;
+        uint32_t        release_flags;
+        uint64_t        lock_owner;
 };
 
 struct fuse_flush_in {
-        __u64   fh;
-        __u32   unused;
-        __u32   padding;
-        __u64   lock_owner;
+        uint64_t        fh;
+        uint32_t        unused;
+        uint32_t        padding;
+        uint64_t        lock_owner;
 };
 
 struct fuse_read_in {
-        __u64   fh;
-        __u64   offset;
-        __u32   size;
-        __u32   read_flags;
-        __u64   lock_owner;
-        __u32   flags;
-        __u32   padding;
+        uint64_t        fh;
+        uint64_t        offset;
+        uint32_t        size;
+        uint32_t        read_flags;
+        uint64_t        lock_owner;
+        uint32_t        flags;
+        uint32_t        padding;
 };
 
 #define FUSE_COMPAT_WRITE_IN_SIZE 24
 
 struct fuse_write_in {
-        __u64   fh;
-        __u64   offset;
-        __u32   size;
-        __u32   write_flags;
-        __u64   lock_owner;
-        __u32   flags;
-        __u32   padding;
+        uint64_t        fh;
+        uint64_t        offset;
+        uint32_t        size;
+        uint32_t        write_flags;
+        uint64_t        lock_owner;
+        uint32_t        flags;
+        uint32_t        padding;
 };
 
 struct fuse_write_out {
-        __u32   size;
-        __u32   padding;
+        uint32_t        size;
+        uint32_t        padding;
 };
 
 #define FUSE_COMPAT_STATFS_SIZE 48
@@ -510,32 +505,32 @@ struct fuse_statfs_out {
 };
 
 struct fuse_fsync_in {
-        __u64   fh;
-        __u32   fsync_flags;
-        __u32   padding;
+        uint64_t        fh;
+        uint32_t        fsync_flags;
+        uint32_t        padding;
 };
 
 struct fuse_setxattr_in {
-        __u32   size;
-        __u32   flags;
+        uint32_t        size;
+        uint32_t        flags;
 };
 
 struct fuse_getxattr_in {
-        __u32   size;
-        __u32   padding;
+        uint32_t        size;
+        uint32_t        padding;
 };
 
 struct fuse_getxattr_out {
-        __u32   size;
-        __u32   padding;
+        uint32_t        size;
+        uint32_t        padding;
 };
 
 struct fuse_lk_in {
-        __u64   fh;
-        __u64   owner;
+        uint64_t        fh;
+        uint64_t        owner;
         struct fuse_file_lock lk;
-        __u32   lk_flags;
-        __u32   padding;
+        uint32_t        lk_flags;
+        uint32_t        padding;
 };
 
 struct fuse_lk_out {
@@ -543,134 +538,135 @@ struct fuse_lk_out {
 };
 
 struct fuse_access_in {
-        __u32   mask;
-        __u32   padding;
+        uint32_t        mask;
+        uint32_t        padding;
 };
 
 struct fuse_init_in {
-        __u32   major;
-        __u32   minor;
-        __u32   max_readahead;
-        __u32   flags;
+        uint32_t        major;
+        uint32_t        minor;
+        uint32_t        max_readahead;
+        uint32_t        flags;
 };
 
 struct fuse_init_out {
-        __u32   major;
-        __u32   minor;
-        __u32   max_readahead;
-        __u32   flags;
-        __u16   max_background;
-        __u16   congestion_threshold;
-        __u32   max_write;
+        uint32_t        major;
+        uint32_t        minor;
+        uint32_t        max_readahead;
+        uint32_t        flags;
+        uint16_t        max_background;
+        uint16_t        congestion_threshold;
+        uint32_t        max_write;
 };
 
 #define CUSE_INIT_INFO_MAX 4096
 
 struct cuse_init_in {
-        __u32   major;
-        __u32   minor;
-        __u32   unused;
-        __u32   flags;
+        uint32_t        major;
+        uint32_t        minor;
+        uint32_t        unused;
+        uint32_t        flags;
 };
 
 struct cuse_init_out {
-        __u32   major;
-        __u32   minor;
-        __u32   unused;
-        __u32   flags;
-        __u32   max_read;
-        __u32   max_write;
-        __u32   dev_major;              /* chardev major */
-        __u32   dev_minor;              /* chardev minor */
-        __u32   spare[10];
+        uint32_t        major;
+        uint32_t        minor;
+        uint32_t        unused;
+        uint32_t        flags;
+        uint32_t        max_read;
+        uint32_t        max_write;
+        uint32_t        dev_major;              /* chardev major */
+        uint32_t        dev_minor;              /* chardev minor */
+        uint32_t        spare[10];
 };
 
 struct fuse_interrupt_in {
-        __u64   unique;
+        uint64_t        unique;
 };
 
 struct fuse_bmap_in {
-        __u64   block;
-        __u32   blocksize;
-        __u32   padding;
+        uint64_t        block;
+        uint32_t        blocksize;
+        uint32_t        padding;
 };
 
 struct fuse_bmap_out {
-        __u64   block;
+        uint64_t        block;
 };
 
 struct fuse_ioctl_in {
-        __u64   fh;
-        __u32   flags;
-        __u32   cmd;
-        __u64   arg;
-        __u32   in_size;
-        __u32   out_size;
+        uint64_t        fh;
+        uint32_t        flags;
+        uint32_t        cmd;
+        uint64_t        arg;
+        uint32_t        in_size;
+        uint32_t        out_size;
 };
 
 struct fuse_ioctl_iovec {
-        __u64   base;
-        __u64   len;
+        uint64_t        base;
+        uint64_t        len;
 };
 
 struct fuse_ioctl_out {
-        __s32   result;
-        __u32   flags;
-        __u32   in_iovs;
-        __u32   out_iovs;
+        int32_t         result;
+        uint32_t        flags;
+        uint32_t        in_iovs;
+        uint32_t        out_iovs;
 };
 
 struct fuse_poll_in {
-        __u64   fh;
-        __u64   kh;
-        __u32   flags;
-        __u32   events;
+        uint64_t        fh;
+        uint64_t        kh;
+        uint32_t        flags;
+        uint32_t        events;
 };
 
 struct fuse_poll_out {
-        __u32   revents;
-        __u32   padding;
+        uint32_t        revents;
+        uint32_t        padding;
 };
 
 struct fuse_notify_poll_wakeup_out {
-        __u64   kh;
+        uint64_t        kh;
 };
 
 struct fuse_fallocate_in {
-        __u64   fh;
-        __u64   offset;
-        __u64   length;
-        __u32   mode;
-        __u32   padding;
+        uint64_t        fh;
+        uint64_t        offset;
+        uint64_t        length;
+        uint32_t        mode;
+        uint32_t        padding;
 };
 
 struct fuse_in_header {
-        __u32   len;
-        __u32   opcode;
-        __u64   unique;
-        __u64   nodeid;
-        __u32   uid;
-        __u32   gid;
-        __u32   pid;
-        __u32   padding;
+        uint32_t        len;
+        uint32_t        opcode;
+        uint64_t        unique;
+        uint64_t        nodeid;
+        uint32_t        uid;
+        uint32_t        gid;
+        uint32_t        pid;
+        uint32_t        padding;
 };
 
 struct fuse_out_header {
-        __u32   len;
-        __s32   error;
-        __u64   unique;
+        uint32_t        len;
+        int32_t         error;
+        uint64_t        unique;
 };
 
 struct fuse_dirent {
-        __u64   ino;
-        __u64   off;
-        __u32   namelen;
-        __u32   type;
+        uint64_t        ino;
+        uint64_t        off;
+        uint32_t        namelen;
+        uint32_t        type;
         char name[];
 };
 
 #define FUSE_NAME_OFFSET offsetof(struct fuse_dirent, name)
-#define FUSE_DIRENT_ALIGN(x) (((x) + sizeof(__u64) - 1) & ~(sizeof(__u64) - 1))
+#define FUSE_DIRENT_ALIGN(x) \
+        (((x) + sizeof(uint64_t) - 1) & ~(sizeof(uint64_t) - 1))
 #define FUSE_DIRENT_SIZE(d) \
         FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen)
 
@@ -685,47 +681,47 @@ struct fuse_direntplus {
         FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET_DIRENTPLUS + (d)->dirent.namelen)
 
 struct fuse_notify_inval_inode_out {
-        __u64   ino;
-        __s64   off;
-        __s64   len;
+        uint64_t        ino;
+        int64_t         off;
+        int64_t         len;
 };
 
 struct fuse_notify_inval_entry_out {
-        __u64   parent;
-        __u32   namelen;
-        __u32   padding;
+        uint64_t        parent;
+        uint32_t        namelen;
+        uint32_t        padding;
 };
 
 struct fuse_notify_delete_out {
-        __u64   parent;
-        __u64   child;
-        __u32   namelen;
-        __u32   padding;
+        uint64_t        parent;
+        uint64_t        child;
+        uint32_t        namelen;
+        uint32_t        padding;
 };
 
 struct fuse_notify_store_out {
-        __u64   nodeid;
-        __u64   offset;
-        __u32   size;
-        __u32   padding;
+        uint64_t        nodeid;
+        uint64_t        offset;
+        uint32_t        size;
+        uint32_t        padding;
 };
 
 struct fuse_notify_retrieve_out {
-        __u64   notify_unique;
-        __u64   nodeid;
-        __u64   offset;
-        __u32   size;
-        __u32   padding;
+        uint64_t        notify_unique;
+        uint64_t        nodeid;
+        uint64_t        offset;
+        uint32_t        size;
+        uint32_t        padding;
 };
 
 /* Matches the size of fuse_write_in */
 struct fuse_notify_retrieve_in {
-        __u64   dummy1;
-        __u64   offset;
-        __u32   size;
-        __u32   dummy2;
-        __u64   dummy3;
-        __u64   dummy4;
+        uint64_t        dummy1;
+        uint64_t        offset;
+        uint32_t        size;
+        uint32_t        dummy2;
+        uint64_t        dummy3;
+        uint64_t        dummy4;
 };
 
 #endif /* _LINUX_FUSE_H */
diff --git a/ipc/msg.c b/ipc/msg.c
index 31cd1bf6af27..fede1d06ef30 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -872,6 +872,7 @@ long do_msgrcv(int msqid, void __user *buf, size_t bufsz, long msgtyp,
                                                         goto out_unlock;
                                                 break;
                                         }
+                                        msg = ERR_PTR(-EAGAIN);
                                 } else
                                         break;
                                 msg_counter++;
diff --git a/kernel/.gitignore b/kernel/.gitignore
index ab4f1090f437..b3097bde4e9c 100644
--- a/kernel/.gitignore
+++ b/kernel/.gitignore
@@ -4,3 +4,4 @@
 config_data.h
 config_data.gz
 timeconst.h
+hz.bc
diff --git a/kernel/capability.c b/kernel/capability.c
index 493d97259484..f6c2ce5701e1 100644
--- a/kernel/capability.c
+++ b/kernel/capability.c
@@ -393,6 +393,30 @@ bool ns_capable(struct user_namespace *ns, int cap)
 EXPORT_SYMBOL(ns_capable);
 
 /**
+ * file_ns_capable - Determine if the file's opener had a capability in effect
+ * @file:  The file we want to check
+ * @ns:  The usernamespace we want the capability in
+ * @cap: The capability to be tested for
+ *
+ * Return true if task that opened the file had a capability in effect
+ * when the file was opened.
+ *
+ * This does not set PF_SUPERPRIV because the caller may not
+ * actually be privileged.
+ */
+bool file_ns_capable(const struct file *file, struct user_namespace *ns, int cap)
+{
+        if (WARN_ON_ONCE(!cap_valid(cap)))
+                return false;
+
+        if (security_capable(file->f_cred, ns, cap) == 0)
+                return true;
+
+        return false;
+}
+EXPORT_SYMBOL(file_ns_capable);
+
+/**
  * capable - Determine if the current task has a superior capability in effect
  * @cap: The capability to be tested for
  *
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 59412d037eed..9fcb0944f071 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -4596,6 +4596,7 @@ void perf_event_comm(struct task_struct *task)
         struct perf_event_context *ctx;
         int ctxn;
 
+        rcu_read_lock();
         for_each_task_context_nr(ctxn) {
                 ctx = task->perf_event_ctxp[ctxn];
                 if (!ctx)
@@ -4603,6 +4604,7 @@ void perf_event_comm(struct task_struct *task)
 
                 perf_event_enable_on_exec(ctx);
         }
+        rcu_read_unlock();
 
         if (!atomic_read(&nr_comm_events))
                 return;
@@ -4737,7 +4739,8 @@ static void perf_event_mmap_event(struct perf_mmap_event *mmap_event)
         } else {
                 if (arch_vma_name(mmap_event->vma)) {
                         name = strncpy(tmp, arch_vma_name(mmap_event->vma),
-                                       sizeof(tmp));
+                                       sizeof(tmp) - 1);
+                        tmp[sizeof(tmp) - 1] = '\0';
                         goto got_name;
                 }
 
@@ -5330,7 +5333,7 @@ static void sw_perf_event_destroy(struct perf_event *event)
 
 static int perf_swevent_init(struct perf_event *event)
 {
-        int event_id = event->attr.config;
+        u64 event_id = event->attr.config;
 
         if (event->attr.type != PERF_TYPE_SOFTWARE)
                 return -ENOENT;
@@ -5986,6 +5989,7 @@ skip_type:
         if (pmu->pmu_cpu_context)
                 goto got_cpu_context;
 
+        ret = -ENOMEM;
         pmu->pmu_cpu_context = alloc_percpu(struct perf_cpu_context);
         if (!pmu->pmu_cpu_context)
                 goto free_dev;
diff --git a/kernel/events/internal.h b/kernel/events/internal.h
index d56a64c99a8b..eb675c4d59df 100644
--- a/kernel/events/internal.h
+++ b/kernel/events/internal.h
@@ -16,7 +16,7 @@ struct ring_buffer {
         int                             page_order;     /* allocation order  */
 #endif
         int                             nr_pages;       /* nr of data pages  */
-        int                             writable;       /* are we writable   */
+        int                             overwrite;      /* can overwrite itself */
 
         atomic_t                        poll;           /* POLL_ for wakeups */
 
diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c
index 23cb34ff3973..97fddb09762b 100644
--- a/kernel/events/ring_buffer.c
+++ b/kernel/events/ring_buffer.c
@@ -18,12 +18,24 @@
 static bool perf_output_space(struct ring_buffer *rb, unsigned long tail,
                               unsigned long offset, unsigned long head)
 {
-        unsigned long mask;
+        unsigned long sz = perf_data_size(rb);
+        unsigned long mask = sz - 1;
 
-        if (!rb->writable)
+        /*
+         * check if user-writable
+         * overwrite : over-write its own tail
+         * !overwrite: buffer possibly drops events.
+         */
+        if (rb->overwrite)
                 return true;
 
-        mask = perf_data_size(rb) - 1;
+        /*
+         * verify that payload is not bigger than buffer
+         * otherwise masking logic may fail to detect
+         * the "not enough space" condition
+         */
+        if ((head - offset) > sz)
+                return false;
 
         offset = (offset - tail) & mask;
         head   = (head   - tail) & mask;
@@ -212,7 +224,9 @@ ring_buffer_init(struct ring_buffer *rb, long watermark, int flags)
                 rb->watermark = max_size / 2;
 
         if (flags & RING_BUFFER_WRITABLE)
-                rb->writable = 1;
+                rb->overwrite = 0;
+        else
+                rb->overwrite = 1;
 
         atomic_set(&rb->refcount, 1);
 
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index cc47812d3feb..14be27feda49 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -63,6 +63,7 @@
 DEFINE_PER_CPU(struct hrtimer_cpu_base, hrtimer_bases) =
 {
 
+        .lock = __RAW_SPIN_LOCK_UNLOCKED(hrtimer_bases.lock),
         .clock_base =
         {
                 {
@@ -1642,8 +1643,6 @@ static void __cpuinit init_hrtimers_cpu(int cpu)
         struct hrtimer_cpu_base *cpu_base = &per_cpu(hrtimer_bases, cpu);
         int i;
 
-        raw_spin_lock_init(&cpu_base->lock);
-
         for (i = 0; i < HRTIMER_MAX_CLOCK_BASES; i++) {
                 cpu_base->clock_base[i].cpu_base = cpu_base;
                 timerqueue_init_head(&cpu_base->clock_base[i].active);
diff --git a/kernel/kexec.c b/kernel/kexec.c
index bddd3d7a74b6..ffd4e111fd67 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -55,7 +55,7 @@ struct resource crashk_res = {
         .flags = IORESOURCE_BUSY | IORESOURCE_MEM
 };
 struct resource crashk_low_res = {
-        .name  = "Crash kernel low",
+        .name  = "Crash kernel",
         .start = 0,
         .end   = 0,
         .flags = IORESOURCE_BUSY | IORESOURCE_MEM
@@ -1368,35 +1368,114 @@ static int __init parse_crashkernel_simple(char 		*cmdline,
         return 0;
 }
 
+#define SUFFIX_HIGH 0
+#define SUFFIX_LOW  1
+#define SUFFIX_NULL 2
+static __initdata char *suffix_tbl[] = {
+        [SUFFIX_HIGH] = ",high",
+        [SUFFIX_LOW]  = ",low",
+        [SUFFIX_NULL] = NULL,
+};
+
 /*
- * That function is the entry point for command line parsing and should be
- * called from the arch-specific code.
+ * That function parses "suffix"  crashkernel command lines like
+ *
+ *      crashkernel=size,[high|low]
+ *
+ * It returns 0 on success and -EINVAL on failure.
  */
+static int __init parse_crashkernel_suffix(char *cmdline,
+                                           unsigned long long   *crash_size,
+                                           unsigned long long   *crash_base,
+                                           const char *suffix)
+{
+        char *cur = cmdline;
+
+        *crash_size = memparse(cmdline, &cur);
+        if (cmdline == cur) {
+                pr_warn("crashkernel: memory value expected\n");
+                return -EINVAL;
+        }
+
+        /* check with suffix */
+        if (strncmp(cur, suffix, strlen(suffix))) {
+                pr_warn("crashkernel: unrecognized char\n");
+                return -EINVAL;
+        }
+        cur += strlen(suffix);
+        if (*cur != ' ' && *cur != '\0') {
+                pr_warn("crashkernel: unrecognized char\n");
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+static __init char *get_last_crashkernel(char *cmdline,
+                             const char *name,
+                             const char *suffix)
+{
+        char *p = cmdline, *ck_cmdline = NULL;
+
+        /* find crashkernel and use the last one if there are more */
+        p = strstr(p, name);
+        while (p) {
+                char *end_p = strchr(p, ' ');
+                char *q;
+
+                if (!end_p)
+                        end_p = p + strlen(p);
+
+                if (!suffix) {
+                        int i;
+
+                        /* skip the one with any known suffix */
+                        for (i = 0; suffix_tbl[i]; i++) {
+                                q = end_p - strlen(suffix_tbl[i]);
+                                if (!strncmp(q, suffix_tbl[i],
+                                             strlen(suffix_tbl[i])))
+                                        goto next;
+                        }
+                        ck_cmdline = p;
+                } else {
+                        q = end_p - strlen(suffix);
+                        if (!strncmp(q, suffix, strlen(suffix)))
+                                ck_cmdline = p;
+                }
+next:
+                p = strstr(p+1, name);
+        }
+
+        if (!ck_cmdline)
+                return NULL;
+
+        return ck_cmdline;
+}
+
 static int __init __parse_crashkernel(char *cmdline,
                              unsigned long long system_ram,
                              unsigned long long *crash_size,
                              unsigned long long *crash_base,
-                                const char *name)
+                             const char *name,
+                             const char *suffix)
 {
-        char    *p = cmdline, *ck_cmdline = NULL;
         char    *first_colon, *first_space;
+        char    *ck_cmdline;
 
         BUG_ON(!crash_size || !crash_base);
         *crash_size = 0;
         *crash_base = 0;
 
-        /* find crashkernel and use the last one if there are more */
-        p = strstr(p, name);
-        while (p) {
-                ck_cmdline = p;
-                p = strstr(p+1, name);
-        }
+        ck_cmdline = get_last_crashkernel(cmdline, name, suffix);
 
         if (!ck_cmdline)
                 return -EINVAL;
 
         ck_cmdline += strlen(name);
 
+        if (suffix)
+                return parse_crashkernel_suffix(ck_cmdline, crash_size,
+                                crash_base, suffix);
         /*
          * if the commandline contains a ':', then that's the extended
          * syntax -- if not, it must be the classic syntax
@@ -1413,13 +1492,26 @@ static int __init __parse_crashkernel(char *cmdline,
         return 0;
 }
 
+/*
+ * That function is the entry point for command line parsing and should be
+ * called from the arch-specific code.
+ */
 int __init parse_crashkernel(char *cmdline,
                              unsigned long long system_ram,
                              unsigned long long *crash_size,
                              unsigned long long *crash_base)
 {
         return __parse_crashkernel(cmdline, system_ram, crash_size, crash_base,
-                                        "crashkernel=");
+                                        "crashkernel=", NULL);
+}
+
+int __init parse_crashkernel_high(char *cmdline,
+                             unsigned long long system_ram,
+                             unsigned long long *crash_size,
+                             unsigned long long *crash_base)
+{
+        return __parse_crashkernel(cmdline, system_ram, crash_size, crash_base,
+                                "crashkernel=", suffix_tbl[SUFFIX_HIGH]);
 }
 
 int __init parse_crashkernel_low(char *cmdline,
@@ -1428,7 +1520,7 @@ int __init parse_crashkernel_low(char *cmdline,
                              unsigned long long *crash_base)
 {
         return __parse_crashkernel(cmdline, system_ram, crash_size, crash_base,
-                                        "crashkernel_low=");
+                                "crashkernel=", suffix_tbl[SUFFIX_LOW]);
 }
 
 static void update_vmcoreinfo_note(void)
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index e35be53f6613..3fed7f0cbcdf 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -794,16 +794,16 @@ out:
 }
 
 #ifdef CONFIG_SYSCTL
-/* This should be called with kprobe_mutex locked */
 static void __kprobes optimize_all_kprobes(void)
 {
         struct hlist_head *head;
         struct kprobe *p;
         unsigned int i;
 
+        mutex_lock(&kprobe_mutex);
         /* If optimization is already allowed, just return */
         if (kprobes_allow_optimization)
-                return;
+                goto out;
 
         kprobes_allow_optimization = true;
         for (i = 0; i < KPROBE_TABLE_SIZE; i++) {
@@ -813,18 +813,22 @@ static void __kprobes optimize_all_kprobes(void)
                                 optimize_kprobe(p);
         }
         printk(KERN_INFO "Kprobes globally optimized\n");
+out:
+        mutex_unlock(&kprobe_mutex);
 }
 
-/* This should be called with kprobe_mutex locked */
 static void __kprobes unoptimize_all_kprobes(void)
 {
         struct hlist_head *head;
         struct kprobe *p;
         unsigned int i;
 
+        mutex_lock(&kprobe_mutex);
         /* If optimization is already prohibited, just return */
-        if (!kprobes_allow_optimization)
+        if (!kprobes_allow_optimization) {
+                mutex_unlock(&kprobe_mutex);
                 return;
+        }
 
         kprobes_allow_optimization = false;
         for (i = 0; i < KPROBE_TABLE_SIZE; i++) {
@@ -834,11 +838,14 @@ static void __kprobes unoptimize_all_kprobes(void)
                                 unoptimize_kprobe(p, false);
                 }
         }
+        mutex_unlock(&kprobe_mutex);
+
         /* Wait for unoptimizing completion */
         wait_for_kprobe_optimizer();
         printk(KERN_INFO "Kprobes globally unoptimized\n");
 }
 
+static DEFINE_MUTEX(kprobe_sysctl_mutex);
 int sysctl_kprobes_optimization;
 int proc_kprobes_optimization_handler(struct ctl_table *table, int write,
                                       void __user *buffer, size_t *length,
@@ -846,7 +853,7 @@ int proc_kprobes_optimization_handler(struct ctl_table *table, int write,
 {
         int ret;
 
-        mutex_lock(&kprobe_mutex);
+        mutex_lock(&kprobe_sysctl_mutex);
         sysctl_kprobes_optimization = kprobes_allow_optimization ? 1 : 0;
         ret = proc_dointvec_minmax(table, write, buffer, length, ppos);
 
@@ -854,7 +861,7 @@ int proc_kprobes_optimization_handler(struct ctl_table *table, int write,
                 optimize_all_kprobes();
         else
                 unoptimize_all_kprobes();
-        mutex_unlock(&kprobe_mutex);
+        mutex_unlock(&kprobe_sysctl_mutex);
 
         return ret;
 }
diff --git a/kernel/kthread.c b/kernel/kthread.c
index 691dc2ef9baf..9eb7fed0bbaa 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -124,12 +124,12 @@ void *kthread_data(struct task_struct *task)
 
 static void __kthread_parkme(struct kthread *self)
 {
-        __set_current_state(TASK_INTERRUPTIBLE);
+        __set_current_state(TASK_PARKED);
         while (test_bit(KTHREAD_SHOULD_PARK, &self->flags)) {
                 if (!test_and_set_bit(KTHREAD_IS_PARKED, &self->flags))
                         complete(&self->parked);
                 schedule();
-                __set_current_state(TASK_INTERRUPTIBLE);
+                __set_current_state(TASK_PARKED);
         }
         clear_bit(KTHREAD_IS_PARKED, &self->flags);
         __set_current_state(TASK_RUNNING);
@@ -256,8 +256,13 @@ struct task_struct *kthread_create_on_node(int (*threadfn)(void *data),
 }
 EXPORT_SYMBOL(kthread_create_on_node);
 
-static void __kthread_bind(struct task_struct *p, unsigned int cpu)
+static void __kthread_bind(struct task_struct *p, unsigned int cpu, long state)
 {
+        /* Must have done schedule() in kthread() before we set_task_cpu */
+        if (!wait_task_inactive(p, state)) {
+                WARN_ON(1);
+                return;
+        }
         /* It's safe because the task is inactive. */
         do_set_cpus_allowed(p, cpumask_of(cpu));
         p->flags |= PF_THREAD_BOUND;
@@ -274,12 +279,7 @@ static void __kthread_bind(struct task_struct *p, unsigned int cpu)
  */
 void kthread_bind(struct task_struct *p, unsigned int cpu)
 {
-        /* Must have done schedule() in kthread() before we set_task_cpu */
-        if (!wait_task_inactive(p, TASK_UNINTERRUPTIBLE)) {
-                WARN_ON(1);
-                return;
-        }
-        __kthread_bind(p, cpu);
+        __kthread_bind(p, cpu, TASK_UNINTERRUPTIBLE);
 }
 EXPORT_SYMBOL(kthread_bind);
 
@@ -324,6 +324,22 @@ static struct kthread *task_get_live_kthread(struct task_struct *k)
         return NULL;
 }
 
+static void __kthread_unpark(struct task_struct *k, struct kthread *kthread)
+{
+        clear_bit(KTHREAD_SHOULD_PARK, &kthread->flags);
+        /*
+         * We clear the IS_PARKED bit here as we don't wait
+         * until the task has left the park code. So if we'd
+         * park before that happens we'd see the IS_PARKED bit
+         * which might be about to be cleared.
+         */
+        if (test_and_clear_bit(KTHREAD_IS_PARKED, &kthread->flags)) {
+                if (test_bit(KTHREAD_IS_PER_CPU, &kthread->flags))
+                        __kthread_bind(k, kthread->cpu, TASK_PARKED);
+                wake_up_state(k, TASK_PARKED);
+        }
+}
+
 /**
  * kthread_unpark - unpark a thread created by kthread_create().
  * @k:          thread created by kthread_create().
@@ -336,20 +352,8 @@ void kthread_unpark(struct task_struct *k)
 {
         struct kthread *kthread = task_get_live_kthread(k);
 
-        if (kthread) {
-                clear_bit(KTHREAD_SHOULD_PARK, &kthread->flags);
-                /*
-                 * We clear the IS_PARKED bit here as we don't wait
-                 * until the task has left the park code. So if we'd
-                 * park before that happens we'd see the IS_PARKED bit
-                 * which might be about to be cleared.
-                 */
-                if (test_and_clear_bit(KTHREAD_IS_PARKED, &kthread->flags)) {
-                        if (test_bit(KTHREAD_IS_PER_CPU, &kthread->flags))
-                                __kthread_bind(k, kthread->cpu);
-                        wake_up_process(k);
-                }
-        }
+        if (kthread)
+                __kthread_unpark(k, kthread);
         put_task_struct(k);
 }
 
@@ -407,7 +411,7 @@ int kthread_stop(struct task_struct *k)
         trace_sched_kthread_stop(k);
         if (kthread) {
                 set_bit(KTHREAD_SHOULD_STOP, &kthread->flags);
-                clear_bit(KTHREAD_SHOULD_PARK, &kthread->flags);
+                __kthread_unpark(k, kthread);
                 wake_up_process(k);
                 wait_for_completion(&kthread->exited);
         }
diff --git a/kernel/sched/clock.c b/kernel/sched/clock.c
index c685e31492df..c3ae1446461c 100644
--- a/kernel/sched/clock.c
+++ b/kernel/sched/clock.c
@@ -176,10 +176,36 @@ static u64 sched_clock_remote(struct sched_clock_data *scd)
         u64 this_clock, remote_clock;
         u64 *ptr, old_val, val;
 
+#if BITS_PER_LONG != 64
+again:
+        /*
+         * Careful here: The local and the remote clock values need to
+         * be read out atomic as we need to compare the values and
+         * then update either the local or the remote side. So the
+         * cmpxchg64 below only protects one readout.
+         *
+         * We must reread via sched_clock_local() in the retry case on
+         * 32bit as an NMI could use sched_clock_local() via the
+         * tracer and hit between the readout of
+         * the low32bit and the high 32bit portion.
+         */
+        this_clock = sched_clock_local(my_scd);
+        /*
+         * We must enforce atomic readout on 32bit, otherwise the
+         * update on the remote cpu can hit inbetween the readout of
+         * the low32bit and the high 32bit portion.
+         */
+        remote_clock = cmpxchg64(&scd->clock, 0, 0);
+#else
+        /*
+         * On 64bit the read of [my]scd->clock is atomic versus the
+         * update, so we can avoid the above 32bit dance.
+         */
         sched_clock_local(my_scd);
 again:
         this_clock = my_scd->clock;
         remote_clock = scd->clock;
+#endif
 
         /*
          * Use the opportunity that we have both locks
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 7f12624a393c..67d04651f44b 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1498,8 +1498,10 @@ static void try_to_wake_up_local(struct task_struct *p)
 {
         struct rq *rq = task_rq(p);
 
-        BUG_ON(rq != this_rq());
-        BUG_ON(p == current);
+        if (WARN_ON_ONCE(rq != this_rq()) ||
+            WARN_ON_ONCE(p == current))
+                return;
+
         lockdep_assert_held(&rq->lock);
 
         if (!raw_spin_trylock(&p->pi_lock)) {
@@ -4999,7 +5001,7 @@ static void sd_free_ctl_entry(struct ctl_table **tablep)
 }
 
 static int min_load_idx = 0;
-static int max_load_idx = CPU_LOAD_IDX_MAX;
+static int max_load_idx = CPU_LOAD_IDX_MAX-1;
 
 static void
 set_table_entry(struct ctl_table *entry,
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index ed12cbb135f4..e93cca92f38b 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -310,7 +310,7 @@ void thread_group_cputime(struct task_struct *tsk, struct task_cputime *times)
 
         t = tsk;
         do {
-                task_cputime(tsk, &utime, &stime);
+                task_cputime(t, &utime, &stime);
                 times->utime += utime;
                 times->stime += stime;
                 times->sum_exec_runtime += task_sched_runtime(t);
diff --git a/kernel/signal.c b/kernel/signal.c
index dd72567767d9..598dc06be421 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2948,7 +2948,7 @@ do_send_specific(pid_t tgid, pid_t pid, int sig, struct siginfo *info)
 
 static int do_tkill(pid_t tgid, pid_t pid, int sig)
 {
-        struct siginfo info;
+        struct siginfo info = {};
 
         info.si_signo = sig;
         info.si_errno = 0;
diff --git a/kernel/smpboot.c b/kernel/smpboot.c
index 8eaed9aa9cf0..02fc5c933673 100644
--- a/kernel/smpboot.c
+++ b/kernel/smpboot.c
@@ -185,8 +185,18 @@ __smpboot_create_thread(struct smp_hotplug_thread *ht, unsigned int cpu)
         }
         get_task_struct(tsk);
         *per_cpu_ptr(ht->store, cpu) = tsk;
-        if (ht->create)
-                ht->create(cpu);
+        if (ht->create) {
+                /*
+                 * Make sure that the task has actually scheduled out
+                 * into park position, before calling the create
+                 * callback. At least the migration thread callback
+                 * requires that the task is off the runqueue.
+                 */
+                if (!wait_task_inactive(tsk, TASK_PARKED))
+                        WARN_ON(1);
+                else
+                        ht->create(cpu);
+        }
         return 0;
 }
 
diff --git a/kernel/sys.c b/kernel/sys.c
index 39c9c4a2949f..0da73cf73e60 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -324,7 +324,6 @@ void kernel_restart_prepare(char *cmd)
         system_state = SYSTEM_RESTART;
         usermodehelper_disable();
         device_shutdown();
-        syscore_shutdown();
 }
 
 /**
@@ -370,6 +369,7 @@ void kernel_restart(char *cmd)
 {
         kernel_restart_prepare(cmd);
         disable_nonboot_cpus();
+        syscore_shutdown();
         if (!cmd)
                 printk(KERN_EMERG "Restarting system.\n");
         else
@@ -395,6 +395,7 @@ static void kernel_shutdown_prepare(enum system_states state)
 void kernel_halt(void)
 {
         kernel_shutdown_prepare(SYSTEM_HALT);
+        disable_nonboot_cpus();
         syscore_shutdown();
         printk(KERN_EMERG "System halted.\n");
         kmsg_dump(KMSG_DUMP_HALT);
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 9e5b8c272eec..5a0f781cd729 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -739,12 +739,6 @@ static void blk_add_trace_rq_complete(void *ignore,
                                       struct request_queue *q,
                                       struct request *rq)
 {
-        struct blk_trace *bt = q->blk_trace;
-
-        /* if control ever passes through here, it's a request based driver */
-        if (unlikely(bt && !bt->rq_based))
-                bt->rq_based = true;
-
         blk_add_trace_rq(q, rq, BLK_TA_COMPLETE);
 }
 
@@ -780,24 +774,10 @@ static void blk_add_trace_bio_bounce(void *ignore,
         blk_add_trace_bio(q, bio, BLK_TA_BOUNCE, 0);
 }
 
-static void blk_add_trace_bio_complete(void *ignore, struct bio *bio, int error)
+static void blk_add_trace_bio_complete(void *ignore,
+                                       struct request_queue *q, struct bio *bio,
+                                       int error)
 {
-        struct request_queue *q;
-        struct blk_trace *bt;
-
-        if (!bio->bi_bdev)
-                return;
-
-        q = bdev_get_queue(bio->bi_bdev);
-        bt = q->blk_trace;
-
-        /*
-         * Request based drivers will generate both rq and bio completions.
-         * Ignore bio ones.
-         */
-        if (likely(!bt) || bt->rq_based)
-                return;
-
         blk_add_trace_bio(q, bio, BLK_TA_COMPLETE, error);
 }
 
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 6893d5a2bf08..b3fde6d7b7fc 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -66,7 +66,7 @@
 
 static struct ftrace_ops ftrace_list_end __read_mostly = {
         .func           = ftrace_stub,
-        .flags          = FTRACE_OPS_FL_RECURSION_SAFE,
+        .flags          = FTRACE_OPS_FL_RECURSION_SAFE | FTRACE_OPS_FL_STUB,
 };
 
 /* ftrace_enabled is a method to turn ftrace on or off */
@@ -694,7 +694,6 @@ int ftrace_profile_pages_init(struct ftrace_profile_stat *stat)
                 free_page(tmp);
         }
 
-        free_page((unsigned long)stat->pages);
         stat->pages = NULL;
         stat->start = NULL;
 
@@ -1053,6 +1052,19 @@ static __init void ftrace_profile_debugfs(struct dentry *d_tracer)
 
 static struct pid * const ftrace_swapper_pid = &init_struct_pid;
 
+loff_t
+ftrace_filter_lseek(struct file *file, loff_t offset, int whence)
+{
+        loff_t ret;
+
+        if (file->f_mode & FMODE_READ)
+                ret = seq_lseek(file, offset, whence);
+        else
+                file->f_pos = ret = 1;
+
+        return ret;
+}
+
 #ifdef CONFIG_DYNAMIC_FTRACE
 
 #ifndef CONFIG_FTRACE_MCOUNT_RECORD
@@ -2613,7 +2625,7 @@ static void ftrace_filter_reset(struct ftrace_hash *hash)
  * routine, you can use ftrace_filter_write() for the write
  * routine if @flag has FTRACE_ITER_FILTER set, or
  * ftrace_notrace_write() if @flag has FTRACE_ITER_NOTRACE set.
- * ftrace_regex_lseek() should be used as the lseek routine, and
+ * ftrace_filter_lseek() should be used as the lseek routine, and
  * release must call ftrace_regex_release().
  */
 int
@@ -2697,19 +2709,6 @@ ftrace_notrace_open(struct inode *inode, struct file *file)
                                  inode, file);
 }
 
-loff_t
-ftrace_regex_lseek(struct file *file, loff_t offset, int whence)
-{
-        loff_t ret;
-
-        if (file->f_mode & FMODE_READ)
-                ret = seq_lseek(file, offset, whence);
-        else
-                file->f_pos = ret = 1;
-
-        return ret;
-}
-
 static int ftrace_match(char *str, char *regex, int len, int type)
 {
         int matched = 0;
@@ -3441,14 +3440,14 @@ static char ftrace_filter_buf[FTRACE_FILTER_SIZE] __initdata;
 
 static int __init set_ftrace_notrace(char *str)
 {
-        strncpy(ftrace_notrace_buf, str, FTRACE_FILTER_SIZE);
+        strlcpy(ftrace_notrace_buf, str, FTRACE_FILTER_SIZE);
         return 1;
 }
 __setup("ftrace_notrace=", set_ftrace_notrace);
 
 static int __init set_ftrace_filter(char *str)
 {
-        strncpy(ftrace_filter_buf, str, FTRACE_FILTER_SIZE);
+        strlcpy(ftrace_filter_buf, str, FTRACE_FILTER_SIZE);
         return 1;
 }
 __setup("ftrace_filter=", set_ftrace_filter);
@@ -3571,7 +3570,7 @@ static const struct file_operations ftrace_filter_fops = {
         .open = ftrace_filter_open,
         .read = seq_read,
         .write = ftrace_filter_write,
-        .llseek = ftrace_regex_lseek,
+        .llseek = ftrace_filter_lseek,
         .release = ftrace_regex_release,
 };
 
@@ -3579,7 +3578,7 @@ static const struct file_operations ftrace_notrace_fops = {
         .open = ftrace_notrace_open,
         .read = seq_read,
         .write = ftrace_notrace_write,
-        .llseek = ftrace_regex_lseek,
+        .llseek = ftrace_filter_lseek,
         .release = ftrace_regex_release,
 };
 
@@ -3784,8 +3783,8 @@ static const struct file_operations ftrace_graph_fops = {
         .open           = ftrace_graph_open,
         .read           = seq_read,
         .write          = ftrace_graph_write,
+        .llseek         = ftrace_filter_lseek,
         .release        = ftrace_graph_release,
-        .llseek         = seq_lseek,
 };
 #endif /* CONFIG_FUNCTION_GRAPH_TRACER */
 
@@ -4131,7 +4130,8 @@ ftrace_ops_control_func(unsigned long ip, unsigned long parent_ip,
         preempt_disable_notrace();
         trace_recursion_set(TRACE_CONTROL_BIT);
         do_for_each_ftrace_op(op, ftrace_control_list) {
-                if (!ftrace_function_local_disabled(op) &&
+                if (!(op->flags & FTRACE_OPS_FL_STUB) &&
+                    !ftrace_function_local_disabled(op) &&
                     ftrace_ops_test(op, ip))
                         op->func(ip, parent_ip, op, regs);
         } while_for_each_ftrace_op(op);
@@ -4439,7 +4439,7 @@ static const struct file_operations ftrace_pid_fops = {
         .open           = ftrace_pid_open,
         .write          = ftrace_pid_write,
         .read           = seq_read,
-        .llseek         = seq_lseek,
+        .llseek         = ftrace_filter_lseek,
         .release        = ftrace_pid_release,
 };
 
@@ -4555,12 +4555,8 @@ ftrace_enable_sysctl(struct ctl_table *table, int write,
                 ftrace_startup_sysctl();
 
                 /* we are starting ftrace again */
-                if (ftrace_ops_list != &ftrace_list_end) {
-                        if (ftrace_ops_list->next == &ftrace_list_end)
-                                ftrace_trace_function = ftrace_ops_list->func;
-                        else
-                                ftrace_trace_function = ftrace_ops_list_func;
-                }
+                if (ftrace_ops_list != &ftrace_list_end)
+                        update_ftrace_function();
 
         } else {
                 /* stopping ftrace calls (just send to ftrace_stub) */
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 4f1dade56981..66338c4f7f4b 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -132,7 +132,7 @@ static char *default_bootup_tracer;
 
 static int __init set_cmdline_ftrace(char *str)
 {
-        strncpy(bootup_tracer_buf, str, MAX_TRACER_SIZE);
+        strlcpy(bootup_tracer_buf, str, MAX_TRACER_SIZE);
         default_bootup_tracer = bootup_tracer_buf;
         /* We are using ftrace early, expand it */
         ring_buffer_expanded = 1;
@@ -162,7 +162,7 @@ static char *trace_boot_options __initdata;
 
 static int __init set_trace_boot_options(char *str)
 {
-        strncpy(trace_boot_options_buf, str, MAX_TRACER_SIZE);
+        strlcpy(trace_boot_options_buf, str, MAX_TRACER_SIZE);
         trace_boot_options = trace_boot_options_buf;
         return 0;
 }
@@ -744,8 +744,11 @@ update_max_tr_single(struct trace_array *tr, struct task_struct *tsk, int cpu)
                 return;
 
         WARN_ON_ONCE(!irqs_disabled());
-        if (WARN_ON_ONCE(!current_trace->allocated_snapshot))
+        if (!current_trace->allocated_snapshot) {
+                /* Only the nop tracer should hit this when disabling */
+                WARN_ON_ONCE(current_trace != &nop_trace);
                 return;
+        }
 
         arch_spin_lock(&ftrace_max_lock);
 
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index 42ca822fc701..83a8b5b7bd35 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -322,7 +322,7 @@ static const struct file_operations stack_trace_filter_fops = {
         .open = stack_trace_filter_open,
         .read = seq_read,
         .write = ftrace_filter_write,
-        .llseek = ftrace_regex_lseek,
+        .llseek = ftrace_filter_lseek,
         .release = ftrace_regex_release,
 };
 
diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c
index a54f26f82eb2..e134d8f365dd 100644
--- a/kernel/user_namespace.c
+++ b/kernel/user_namespace.c
@@ -25,7 +25,8 @@
 
 static struct kmem_cache *user_ns_cachep __read_mostly;
 
-static bool new_idmap_permitted(struct user_namespace *ns, int cap_setid,
+static bool new_idmap_permitted(const struct file *file,
+                                struct user_namespace *ns, int cap_setid,
                                 struct uid_gid_map *map);
 
 static void set_cred_user_ns(struct cred *cred, struct user_namespace *user_ns)
@@ -612,10 +613,10 @@ static ssize_t map_write(struct file *file, const char __user *buf,
         if (map->nr_extents != 0)
                 goto out;
 
-        /* Require the appropriate privilege CAP_SETUID or CAP_SETGID
-         * over the user namespace in order to set the id mapping.
+        /*
+         * Adjusting namespace settings requires capabilities on the target.
          */
-        if (cap_valid(cap_setid) && !ns_capable(ns, cap_setid))
+        if (cap_valid(cap_setid) && !file_ns_capable(file, ns, CAP_SYS_ADMIN))
                 goto out;
 
         /* Get a buffer */
@@ -700,7 +701,7 @@ static ssize_t map_write(struct file *file, const char __user *buf,
 
         ret = -EPERM;
         /* Validate the user is allowed to use user id's mapped to. */
-        if (!new_idmap_permitted(ns, cap_setid, &new_map))
+        if (!new_idmap_permitted(file, ns, cap_setid, &new_map))
                 goto out;
 
         /* Map the lower ids from the parent user namespace to the
@@ -787,7 +788,8 @@ ssize_t proc_projid_map_write(struct file *file, const char __user *buf, size_t
                          &ns->projid_map, &ns->parent->projid_map);
 }
 
-static bool new_idmap_permitted(struct user_namespace *ns, int cap_setid,
+static bool new_idmap_permitted(const struct file *file, 
+                                struct user_namespace *ns, int cap_setid,
                                 struct uid_gid_map *new_map)
 {
         /* Allow mapping to your own filesystem ids */
@@ -795,12 +797,12 @@ static bool new_idmap_permitted(struct user_namespace *ns, int cap_setid,
                 u32 id = new_map->extent[0].lower_first;
                 if (cap_setid == CAP_SETUID) {
                         kuid_t uid = make_kuid(ns->parent, id);
-                        if (uid_eq(uid, current_fsuid()))
+                        if (uid_eq(uid, file->f_cred->fsuid))
                                 return true;
                 }
                 else if (cap_setid == CAP_SETGID) {
                         kgid_t gid = make_kgid(ns->parent, id);
-                        if (gid_eq(gid, current_fsgid()))
+                        if (gid_eq(gid, file->f_cred->fsgid))
                                 return true;
                 }
         }
@@ -811,8 +813,10 @@ static bool new_idmap_permitted(struct user_namespace *ns, int cap_setid,
 
         /* Allow the specified ids if we have the appropriate capability
          * (CAP_SETUID or CAP_SETGID) over the parent user namespace.
+         * And the opener of the id file also had the approprpiate capability.
          */
-        if (ns_capable(ns->parent, cap_setid))
+        if (ns_capable(ns->parent, cap_setid) &&
+            file_ns_capable(file, ns->parent, cap_setid))
                 return true;
 
         return false;
diff --git a/lib/Kconfig b/lib/Kconfig
index 3958dc4389f9..fe01d418b09a 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -404,4 +404,7 @@ config OID_REGISTRY
         help
           Enable fast lookup object identifier registry.
 
+config UCS2_STRING
+        tristate
+
 endmenu
diff --git a/lib/Makefile b/lib/Makefile
index d7946ff75b2e..6e2cc561f761 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -174,3 +174,5 @@ quiet_cmd_build_OID_registry = GEN     $@
       cmd_build_OID_registry = perl $(srctree)/$(src)/build_OID_registry $< $@
 
 clean-files     += oid_registry_data.c
+
+obj-$(CONFIG_UCS2_STRING) += ucs2_string.o
diff --git a/lib/kobject.c b/lib/kobject.c
index e07ee1fcd6f1..a65486613d79 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -529,6 +529,13 @@ struct kobject *kobject_get(struct kobject *kobj)
         return kobj;
 }
 
+static struct kobject *kobject_get_unless_zero(struct kobject *kobj)
+{
+        if (!kref_get_unless_zero(&kobj->kref))
+                kobj = NULL;
+        return kobj;
+}
+
 /*
  * kobject_cleanup - free kobject resources.
  * @kobj: object to cleanup
@@ -751,7 +758,7 @@ struct kobject *kset_find_obj(struct kset *kset, const char *name)
 
         list_for_each_entry(k, &kset->list, entry) {
                 if (kobject_name(k) && !strcmp(kobject_name(k), name)) {
-                        ret = kobject_get(k);
+                        ret = kobject_get_unless_zero(k);
                         break;
                 }
         }
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index bfe02b8fc55b..d23762e6652c 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -105,9 +105,9 @@ setup_io_tlb_npages(char *str)
         if (!strcmp(str, "force"))
                 swiotlb_force = 1;
 
-        return 1;
+        return 0;
 }
-__setup("swiotlb=", setup_io_tlb_npages);
+early_param("swiotlb", setup_io_tlb_npages);
 /* make io_tlb_overflow tunable too? */
 
 unsigned long swiotlb_nr_tbl(void)
@@ -115,6 +115,18 @@ unsigned long swiotlb_nr_tbl(void)
         return io_tlb_nslabs;
 }
 EXPORT_SYMBOL_GPL(swiotlb_nr_tbl);
+
+/* default to 64MB */
+#define IO_TLB_DEFAULT_SIZE (64UL<<20)
+unsigned long swiotlb_size_or_default(void)
+{
+        unsigned long size;
+
+        size = io_tlb_nslabs << IO_TLB_SHIFT;
+
+        return size ? size : (IO_TLB_DEFAULT_SIZE);
+}
+
 /* Note that this doesn't work with highmem page */
 static dma_addr_t swiotlb_virt_to_bus(struct device *hwdev,
                                       volatile void *address)
@@ -188,8 +200,7 @@ int __init swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose)
 void  __init
 swiotlb_init(int verbose)
 {
-        /* default to 64MB */
-        size_t default_size = 64UL<<20;
+        size_t default_size = IO_TLB_DEFAULT_SIZE;
         unsigned char *vstart;
         unsigned long bytes;
 
diff --git a/lib/ucs2_string.c b/lib/ucs2_string.c
new file mode 100644
index 000000000000..6f500ef2301d
--- /dev/null
+++ b/lib/ucs2_string.c
@@ -0,0 +1,51 @@
+#include <linux/ucs2_string.h>
+#include <linux/module.h>
+
+/* Return the number of unicode characters in data */
+unsigned long
+ucs2_strnlen(const ucs2_char_t *s, size_t maxlength)
+{
+        unsigned long length = 0;
+
+        while (*s++ != 0 && length < maxlength)
+                length++;
+        return length;
+}
+EXPORT_SYMBOL(ucs2_strnlen);
+
+unsigned long
+ucs2_strlen(const ucs2_char_t *s)
+{
+        return ucs2_strnlen(s, ~0UL);
+}
+EXPORT_SYMBOL(ucs2_strlen);
+
+/*
+ * Return the number of bytes is the length of this string
+ * Note: this is NOT the same as the number of unicode characters
+ */
+unsigned long
+ucs2_strsize(const ucs2_char_t *data, unsigned long maxlength)
+{
+        return ucs2_strnlen(data, maxlength/sizeof(ucs2_char_t)) * sizeof(ucs2_char_t);
+}
+EXPORT_SYMBOL(ucs2_strsize);
+
+int
+ucs2_strncmp(const ucs2_char_t *a, const ucs2_char_t *b, size_t len)
+{
+        while (1) {
+                if (len == 0)
+                        return 0;
+                if (*a < *b)
+                        return -1;
+                if (*a > *b)
+                        return 1;
+                if (*a == 0) /* implies *b == 0 */
+                        return 0;
+                a++;
+                b++;
+                len--;
+        }
+}
+EXPORT_SYMBOL(ucs2_strncmp);
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index ca9a7c6d7e97..1a12f5b9a0ab 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2961,7 +2961,17 @@ long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
                         break;
                 }
 
-                if (absent ||
+                /*
+                 * We need call hugetlb_fault for both hugepages under migration
+                 * (in which case hugetlb_fault waits for the migration,) and
+                 * hwpoisoned hugepages (in which case we need to prevent the
+                 * caller from accessing to them.) In order to do this, we use
+                 * here is_swap_pte instead of is_hugetlb_entry_migration and
+                 * is_hugetlb_entry_hwpoisoned. This is because it simply covers
+                 * both cases, and because we can't follow correct pages
+                 * directly from any kind of swap entries.
+                 */
+                if (absent || is_swap_pte(huge_ptep_get(pte)) ||
                     ((flags & FOLL_WRITE) && !pte_write(huge_ptep_get(pte)))) {
                         int ret;
 
diff --git a/mm/memory.c b/mm/memory.c
index 494526ae024a..ba94dec5b259 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -216,6 +216,7 @@ void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, bool fullmm)
         tlb->mm = mm;
 
         tlb->fullmm     = fullmm;
+        tlb->need_flush_all = 0;
         tlb->start      = -1UL;
         tlb->end        = 0;
         tlb->need_flush = 0;
@@ -2392,6 +2393,53 @@ int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr,
 }
 EXPORT_SYMBOL(remap_pfn_range);
 
+/**
+ * vm_iomap_memory - remap memory to userspace
+ * @vma: user vma to map to
+ * @start: start of area
+ * @len: size of area
+ *
+ * This is a simplified io_remap_pfn_range() for common driver use. The
+ * driver just needs to give us the physical memory range to be mapped,
+ * we'll figure out the rest from the vma information.
+ *
+ * NOTE! Some drivers might want to tweak vma->vm_page_prot first to get
+ * whatever write-combining details or similar.
+ */
+int vm_iomap_memory(struct vm_area_struct *vma, phys_addr_t start, unsigned long len)
+{
+        unsigned long vm_len, pfn, pages;
+
+        /* Check that the physical memory area passed in looks valid */
+        if (start + len < start)
+                return -EINVAL;
+        /*
+         * You *really* shouldn't map things that aren't page-aligned,
+         * but we've historically allowed it because IO memory might
+         * just have smaller alignment.
+         */
+        len += start & ~PAGE_MASK;
+        pfn = start >> PAGE_SHIFT;
+        pages = (len + ~PAGE_MASK) >> PAGE_SHIFT;
+        if (pfn + pages < pfn)
+                return -EINVAL;
+
+        /* We start the mapping 'vm_pgoff' pages into the area */
+        if (vma->vm_pgoff > pages)
+                return -EINVAL;
+        pfn += vma->vm_pgoff;
+        pages -= vma->vm_pgoff;
+
+        /* Can we fit all of the mapping? */
+        vm_len = vma->vm_end - vma->vm_start;
+        if (vm_len >> PAGE_SHIFT > pages)
+                return -EINVAL;
+
+        /* Ok, let it rip */
+        return io_remap_pfn_range(vma, vma->vm_start, pfn, vm_len, vma->vm_page_prot);
+}
+EXPORT_SYMBOL(vm_iomap_memory);
+
 static int apply_to_pte_range(struct mm_struct *mm, pmd_t *pmd,
                                      unsigned long addr, unsigned long end,
                                      pte_fn_t fn, void *data)
diff --git a/mm/mmap.c b/mm/mmap.c
index 6466699b16cb..0db0de1c2fbe 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1940,7 +1940,7 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
 
         /* Check the cache first. */
         /* (Cache hit rate is typically around 35%.) */
-        vma = mm->mmap_cache;
+        vma = ACCESS_ONCE(mm->mmap_cache);
         if (!(vma && vma->vm_end > addr && vma->vm_start <= addr)) {
                 struct rb_node *rb_node;
 
diff --git a/mm/nommu.c b/mm/nommu.c
index e19328087534..e001768b14e8 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -821,7 +821,7 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
         struct vm_area_struct *vma;
 
         /* check the cache first */
-        vma = mm->mmap_cache;
+        vma = ACCESS_ONCE(mm->mmap_cache);
         if (vma && vma->vm_start <= addr && vma->vm_end > addr)
                 return vma;
 
@@ -1838,6 +1838,16 @@ int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr,
 }
 EXPORT_SYMBOL(remap_pfn_range);
 
+int vm_iomap_memory(struct vm_area_struct *vma, phys_addr_t start, unsigned long len)
+{
+        unsigned long pfn = start >> PAGE_SHIFT;
+        unsigned long vm_len = vma->vm_end - vma->vm_start;
+
+        pfn += vma->vm_pgoff;
+        return io_remap_pfn_range(vma, vma->vm_start, pfn, vm_len, vma->vm_page_prot);
+}
+EXPORT_SYMBOL(vm_iomap_memory);
+
 int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
                         unsigned long pgoff)
 {
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 88c5fed8b9a4..669fba39be1a 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -3188,9 +3188,9 @@ int kswapd_run(int nid)
         if (IS_ERR(pgdat->kswapd)) {
                 /* failure at boot is fatal */
                 BUG_ON(system_state == SYSTEM_BOOTING);
-                pgdat->kswapd = NULL;
                 pr_err("Failed to start kswapd on node %d\n", nid);
                 ret = PTR_ERR(pgdat->kswapd);
+                pgdat->kswapd = NULL;
         }
         return ret;
 }
diff --git a/net/802/mrp.c b/net/802/mrp.c
index a4cc3229952a..e085bcc754f6 100644
--- a/net/802/mrp.c
+++ b/net/802/mrp.c
@@ -870,8 +870,12 @@ void mrp_uninit_applicant(struct net_device *dev, struct mrp_application *appl)
          * all pending messages before the applicant is gone.
          */
         del_timer_sync(&app->join_timer);
+
+        spin_lock(&app->lock);
         mrp_mad_event(app, MRP_EVENT_TX);
         mrp_pdu_queue(app);
+        spin_unlock(&app->lock);
+
         mrp_queue_xmit(app);
 
         dev_mc_del(dev, appl->group_address);
diff --git a/net/atm/common.c b/net/atm/common.c
index 7b491006eaf4..737bef59ce89 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
         struct sk_buff *skb;
         int copied, error = -EINVAL;
 
+        msg->msg_namelen = 0;
+
         if (sock->state != SS_CONNECTED)
                 return -ENOTCONN;
 
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 7b11f8bc5071..e277e38f736b 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
                 ax25_address src;
                 const unsigned char *mac = skb_mac_header(skb);
 
+                memset(sax, 0, sizeof(struct full_sockaddr_ax25));
                 ax25_addr_parse(mac + 1, skb->data - mac - 1, &src, NULL,
                                 &digi, NULL, NULL);
                 sax->sax25_family = AF_AX25;
diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index 0488d70c8c35..fa563e497c48 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.c
@@ -169,7 +169,7 @@ void batadv_mesh_free(struct net_device *soft_iface)
         atomic_set(&bat_priv->mesh_state, BATADV_MESH_INACTIVE);
 }
 
-int batadv_is_my_mac(const uint8_t *addr)
+int batadv_is_my_mac(struct batadv_priv *bat_priv, const uint8_t *addr)
 {
         const struct batadv_hard_iface *hard_iface;
 
@@ -178,6 +178,9 @@ int batadv_is_my_mac(const uint8_t *addr)
                 if (hard_iface->if_status != BATADV_IF_ACTIVE)
                         continue;
 
+                if (hard_iface->soft_iface != bat_priv->soft_iface)
+                        continue;
+
                 if (batadv_compare_eth(hard_iface->net_dev->dev_addr, addr)) {
                         rcu_read_unlock();
                         return 1;
diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h
index ced08b936a96..d40910dfc8ea 100644
--- a/net/batman-adv/main.h
+++ b/net/batman-adv/main.h
@@ -162,7 +162,7 @@ extern struct workqueue_struct *batadv_event_workqueue;
 
 int batadv_mesh_init(struct net_device *soft_iface);
 void batadv_mesh_free(struct net_device *soft_iface);
-int batadv_is_my_mac(const uint8_t *addr);
+int batadv_is_my_mac(struct batadv_priv *bat_priv, const uint8_t *addr);
 struct batadv_hard_iface *
 batadv_seq_print_text_primary_if_get(struct seq_file *seq);
 int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 5ee21cebbbb0..319f2906c71a 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -402,7 +402,7 @@ int batadv_recv_icmp_packet(struct sk_buff *skb,
                 goto out;
 
         /* not for me */
-        if (!batadv_is_my_mac(ethhdr->h_dest))
+        if (!batadv_is_my_mac(bat_priv, ethhdr->h_dest))
                 goto out;
 
         icmp_packet = (struct batadv_icmp_packet_rr *)skb->data;
@@ -416,7 +416,7 @@ int batadv_recv_icmp_packet(struct sk_buff *skb,
         }
 
         /* packet for me */
-        if (batadv_is_my_mac(icmp_packet->dst))
+        if (batadv_is_my_mac(bat_priv, icmp_packet->dst))
                 return batadv_recv_my_icmp_packet(bat_priv, skb, hdr_size);
 
         /* TTL exceeded */
@@ -548,7 +548,8 @@ batadv_find_ifalter_router(struct batadv_orig_node *primary_orig,
         return router;
 }
 
-static int batadv_check_unicast_packet(struct sk_buff *skb, int hdr_size)
+static int batadv_check_unicast_packet(struct batadv_priv *bat_priv,
+                                       struct sk_buff *skb, int hdr_size)
 {
         struct ethhdr *ethhdr;
 
@@ -567,7 +568,7 @@ static int batadv_check_unicast_packet(struct sk_buff *skb, int hdr_size)
                 return -1;
 
         /* not for me */
-        if (!batadv_is_my_mac(ethhdr->h_dest))
+        if (!batadv_is_my_mac(bat_priv, ethhdr->h_dest))
                 return -1;
 
         return 0;
@@ -582,7 +583,7 @@ int batadv_recv_tt_query(struct sk_buff *skb, struct batadv_hard_iface *recv_if)
         char tt_flag;
         size_t packet_size;
 
-        if (batadv_check_unicast_packet(skb, hdr_size) < 0)
+        if (batadv_check_unicast_packet(bat_priv, skb, hdr_size) < 0)
                 return NET_RX_DROP;
 
         /* I could need to modify it */
@@ -614,7 +615,7 @@ int batadv_recv_tt_query(struct sk_buff *skb, struct batadv_hard_iface *recv_if)
         case BATADV_TT_RESPONSE:
                 batadv_inc_counter(bat_priv, BATADV_CNT_TT_RESPONSE_RX);
 
-                if (batadv_is_my_mac(tt_query->dst)) {
+                if (batadv_is_my_mac(bat_priv, tt_query->dst)) {
                         /* packet needs to be linearized to access the TT
                          * changes
                          */
@@ -657,14 +658,15 @@ int batadv_recv_roam_adv(struct sk_buff *skb, struct batadv_hard_iface *recv_if)
         struct batadv_roam_adv_packet *roam_adv_packet;
         struct batadv_orig_node *orig_node;
 
-        if (batadv_check_unicast_packet(skb, sizeof(*roam_adv_packet)) < 0)
+        if (batadv_check_unicast_packet(bat_priv, skb,
+                                        sizeof(*roam_adv_packet)) < 0)
                 goto out;
 
         batadv_inc_counter(bat_priv, BATADV_CNT_TT_ROAM_ADV_RX);
 
         roam_adv_packet = (struct batadv_roam_adv_packet *)skb->data;
 
-        if (!batadv_is_my_mac(roam_adv_packet->dst))
+        if (!batadv_is_my_mac(bat_priv, roam_adv_packet->dst))
                 return batadv_route_unicast_packet(skb, recv_if);
 
         /* check if it is a backbone gateway. we don't accept
@@ -967,7 +969,7 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
          * last time) the packet had an updated information or not
          */
         curr_ttvn = (uint8_t)atomic_read(&bat_priv->tt.vn);
-        if (!batadv_is_my_mac(unicast_packet->dest)) {
+        if (!batadv_is_my_mac(bat_priv, unicast_packet->dest)) {
                 orig_node = batadv_orig_hash_find(bat_priv,
                                                   unicast_packet->dest);
                 /* if it is not possible to find the orig_node representing the
@@ -1044,14 +1046,14 @@ int batadv_recv_unicast_packet(struct sk_buff *skb,
         if (is4addr)
                 hdr_size = sizeof(*unicast_4addr_packet);
 
-        if (batadv_check_unicast_packet(skb, hdr_size) < 0)
+        if (batadv_check_unicast_packet(bat_priv, skb, hdr_size) < 0)
                 return NET_RX_DROP;
 
         if (!batadv_check_unicast_ttvn(bat_priv, skb))
                 return NET_RX_DROP;
 
         /* packet for me */
-        if (batadv_is_my_mac(unicast_packet->dest)) {
+        if (batadv_is_my_mac(bat_priv, unicast_packet->dest)) {
                 if (is4addr) {
                         batadv_dat_inc_counter(bat_priv,
                                                unicast_4addr_packet->subtype);
@@ -1088,7 +1090,7 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
         struct sk_buff *new_skb = NULL;
         int ret;
 
-        if (batadv_check_unicast_packet(skb, hdr_size) < 0)
+        if (batadv_check_unicast_packet(bat_priv, skb, hdr_size) < 0)
                 return NET_RX_DROP;
 
         if (!batadv_check_unicast_ttvn(bat_priv, skb))
@@ -1097,7 +1099,7 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
         unicast_packet = (struct batadv_unicast_frag_packet *)skb->data;
 
         /* packet for me */
-        if (batadv_is_my_mac(unicast_packet->dest)) {
+        if (batadv_is_my_mac(bat_priv, unicast_packet->dest)) {
                 ret = batadv_frag_reassemble_skb(skb, bat_priv, &new_skb);
 
                 if (ret == NET_RX_DROP)
@@ -1151,13 +1153,13 @@ int batadv_recv_bcast_packet(struct sk_buff *skb,
                 goto out;
 
         /* ignore broadcasts sent by myself */
-        if (batadv_is_my_mac(ethhdr->h_source))
+        if (batadv_is_my_mac(bat_priv, ethhdr->h_source))
                 goto out;
 
         bcast_packet = (struct batadv_bcast_packet *)skb->data;
 
         /* ignore broadcasts originated by myself */
-        if (batadv_is_my_mac(bcast_packet->orig))
+        if (batadv_is_my_mac(bat_priv, bcast_packet->orig))
                 goto out;
 
         if (bcast_packet->header.ttl < 2)
@@ -1243,14 +1245,14 @@ int batadv_recv_vis_packet(struct sk_buff *skb,
         ethhdr = (struct ethhdr *)skb_mac_header(skb);
 
         /* not for me */
-        if (!batadv_is_my_mac(ethhdr->h_dest))
+        if (!batadv_is_my_mac(bat_priv, ethhdr->h_dest))
                 return NET_RX_DROP;
 
         /* ignore own packets */
-        if (batadv_is_my_mac(vis_packet->vis_orig))
+        if (batadv_is_my_mac(bat_priv, vis_packet->vis_orig))
                 return NET_RX_DROP;
 
-        if (batadv_is_my_mac(vis_packet->sender_orig))
+        if (batadv_is_my_mac(bat_priv, vis_packet->sender_orig))
                 return NET_RX_DROP;
 
         switch (vis_packet->vis_type) {
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 98a66a021a60..7abee19567e9 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -1953,7 +1953,7 @@ out:
 bool batadv_send_tt_response(struct batadv_priv *bat_priv,
                              struct batadv_tt_query_packet *tt_request)
 {
-        if (batadv_is_my_mac(tt_request->dst)) {
+        if (batadv_is_my_mac(bat_priv, tt_request->dst)) {
                 /* don't answer backbone gws! */
                 if (batadv_bla_is_backbone_gw_orig(bat_priv, tt_request->src))
                         return true;
diff --git a/net/batman-adv/vis.c b/net/batman-adv/vis.c
index c053244b97bd..6a1e646be96d 100644
--- a/net/batman-adv/vis.c
+++ b/net/batman-adv/vis.c
@@ -477,7 +477,7 @@ void batadv_receive_client_update_packet(struct batadv_priv *bat_priv,
 
         /* Are we the target for this VIS packet? */
         if (vis_server == BATADV_VIS_TYPE_SERVER_SYNC   &&
-            batadv_is_my_mac(vis_packet->target_orig))
+            batadv_is_my_mac(bat_priv, vis_packet->target_orig))
                 are_target = 1;
 
         spin_lock_bh(&bat_priv->vis.hash_lock);
@@ -496,7 +496,7 @@ void batadv_receive_client_update_packet(struct batadv_priv *bat_priv,
                 batadv_send_list_add(bat_priv, info);
 
                 /* ... we're not the recipient (and thus need to forward). */
-        } else if (!batadv_is_my_mac(packet->target_orig)) {
+        } else if (!batadv_is_my_mac(bat_priv, packet->target_orig)) {
                 batadv_send_list_add(bat_priv, info);
         }
 
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index d3ee69b35a78..0d1b08cc76e1 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -230,6 +230,8 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
         if (flags & (MSG_OOB))
                 return -EOPNOTSUPP;
 
+        msg->msg_namelen = 0;
+
         skb = skb_recv_datagram(sk, flags, noblock, &err);
         if (!skb) {
                 if (sk->sk_shutdown & RCV_SHUTDOWN)
@@ -237,8 +239,6 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
                 return err;
         }
 
-        msg->msg_namelen = 0;
-
         copied = skb->len;
         if (len < copied) {
                 msg->msg_flags |= MSG_TRUNC;
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index c23bae86263b..7c9224bcce17 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
 
         if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
                 rfcomm_dlc_accept(d);
+                msg->msg_namelen = 0;
                 return 0;
         }
 
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index fad0302bdb32..fb6192c9812e 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -665,6 +665,7 @@ static int sco_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
             test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) {
                 hci_conn_accept(pi->conn->hcon, 0);
                 sk->sk_state = BT_CONFIG;
+                msg->msg_namelen = 0;
 
                 release_sock(sk);
                 return 0;
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index ef1b91431c6b..459dab22b3f6 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -67,7 +67,8 @@ void br_port_carrier_check(struct net_bridge_port *p)
         struct net_device *dev = p->dev;
         struct net_bridge *br = p->br;
 
-        if (netif_running(dev) && netif_oper_up(dev))
+        if (!(p->flags & BR_ADMIN_COST) &&
+            netif_running(dev) && netif_oper_up(dev))
                 p->path_cost = port_cost(dev);
 
         if (!netif_running(br->dev))
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 3cbf5beb3d4b..d2c043a857b6 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -156,6 +156,7 @@ struct net_bridge_port
 #define BR_BPDU_GUARD           0x00000002
 #define BR_ROOT_BLOCK           0x00000004
 #define BR_MULTICAST_FAST_LEAVE 0x00000008
+#define BR_ADMIN_COST           0x00000010
 
 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
         u32                             multicast_startup_queries_sent;
diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
index 0bdb4ebd362b..d45e760141bb 100644
--- a/net/bridge/br_stp_if.c
+++ b/net/bridge/br_stp_if.c
@@ -288,6 +288,7 @@ int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost)
             path_cost > BR_MAX_PATH_COST)
                 return -ERANGE;
 
+        p->flags |= BR_ADMIN_COST;
         p->path_cost = path_cost;
         br_configuration_update(p->br);
         br_port_state_selection(p->br);
diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c
index 095259f83902..ff2ff3ce6965 100644
--- a/net/caif/caif_socket.c
+++ b/net/caif/caif_socket.c
@@ -286,6 +286,8 @@ static int caif_seqpkt_recvmsg(struct kiocb *iocb, struct socket *sock,
         if (m->msg_flags&MSG_OOB)
                 goto read_error;
 
+        m->msg_namelen = 0;
+
         skb = skb_recv_datagram(sk, flags, 0 , &ret);
         if (!skb)
                 goto read_error;
diff --git a/net/can/gw.c b/net/can/gw.c
index 2d117dc5ebea..117814a7e73c 100644
--- a/net/can/gw.c
+++ b/net/can/gw.c
@@ -466,7 +466,7 @@ static int cgw_notifier(struct notifier_block *nb,
                         if (gwj->src.dev == dev || gwj->dst.dev == dev) {
                                 hlist_del(&gwj->list);
                                 cgw_unregister_filter(gwj);
-                                kfree(gwj);
+                                kmem_cache_free(cgw_cache, gwj);
                         }
                 }
         }
@@ -864,7 +864,7 @@ static void cgw_remove_all_jobs(void)
         hlist_for_each_entry_safe(gwj, nx, &cgw_list, list) {
                 hlist_del(&gwj->list);
                 cgw_unregister_filter(gwj);
-                kfree(gwj);
+                kmem_cache_free(cgw_cache, gwj);
         }
 }
 
@@ -920,7 +920,7 @@ static int cgw_remove_job(struct sk_buff *skb,  struct nlmsghdr *nlh, void *arg)
 
                 hlist_del(&gwj->list);
                 cgw_unregister_filter(gwj);
-                kfree(gwj);
+                kmem_cache_free(cgw_cache, gwj);
                 err = 0;
                 break;
         }
diff --git a/net/core/dev.c b/net/core/dev.c
index b13e5c766c11..b24ab0e98eb4 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1624,7 +1624,6 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
         }
 
         skb_orphan(skb);
-        nf_reset(skb);
 
         if (unlikely(!is_skb_forwardable(dev, skb))) {
                 atomic_long_inc(&dev->rx_dropped);
@@ -1640,6 +1639,7 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
         skb->mark = 0;
         secpath_reset(skb);
         nf_reset(skb);
+        nf_reset_trace(skb);
         return netif_rx(skb);
 }
 EXPORT_SYMBOL_GPL(dev_forward_skb);
@@ -2148,6 +2148,9 @@ static void skb_warn_bad_offload(const struct sk_buff *skb)
         struct net_device *dev = skb->dev;
         const char *driver = "";
 
+        if (!net_ratelimit())
+                return;
+
         if (dev && dev->dev.parent)
                 driver = dev_driver_string(dev->dev.parent);
 
@@ -3314,6 +3317,7 @@ int netdev_rx_handler_register(struct net_device *dev,
         if (dev->rx_handler)
                 return -EBUSY;
 
+        /* Note: rx_handler_data must be set before rx_handler */
         rcu_assign_pointer(dev->rx_handler_data, rx_handler_data);
         rcu_assign_pointer(dev->rx_handler, rx_handler);
 
@@ -3334,6 +3338,11 @@ void netdev_rx_handler_unregister(struct net_device *dev)
 
         ASSERT_RTNL();
         RCU_INIT_POINTER(dev->rx_handler, NULL);
+        /* a reader seeing a non NULL rx_handler in a rcu_read_lock()
+         * section has a guarantee to see a non NULL rx_handler_data
+         * as well.
+         */
+        synchronize_net();
         RCU_INIT_POINTER(dev->rx_handler_data, NULL);
 }
 EXPORT_SYMBOL_GPL(netdev_rx_handler_unregister);
diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c
index bd2eb9d3e369..abdc9e6ef33e 100644
--- a/net/core/dev_addr_lists.c
+++ b/net/core/dev_addr_lists.c
@@ -37,7 +37,7 @@ static int __hw_addr_create_ex(struct netdev_hw_addr_list *list,
         ha->type = addr_type;
         ha->refcount = 1;
         ha->global_use = global;
-        ha->synced = false;
+        ha->synced = 0;
         list_add_tail_rcu(&ha->list, &list->list);
         list->count++;
 
@@ -165,7 +165,7 @@ int __hw_addr_sync(struct netdev_hw_addr_list *to_list,
                                             addr_len, ha->type);
                         if (err)
                                 break;
-                        ha->synced = true;
+                        ha->synced++;
                         ha->refcount++;
                 } else if (ha->refcount == 1) {
                         __hw_addr_del(to_list, ha->addr, addr_len, ha->type);
@@ -186,7 +186,7 @@ void __hw_addr_unsync(struct netdev_hw_addr_list *to_list,
                 if (ha->synced) {
                         __hw_addr_del(to_list, ha->addr,
                                       addr_len, ha->type);
-                        ha->synced = false;
+                        ha->synced--;
                         __hw_addr_del(from_list, ha->addr,
                                       addr_len, ha->type);
                 }
diff --git a/net/core/flow.c b/net/core/flow.c
index c56ea6f7f6c7..2bfd081c59f7 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -328,7 +328,7 @@ static void flow_cache_flush_per_cpu(void *data)
         struct flow_flush_info *info = data;
         struct tasklet_struct *tasklet;
 
-        tasklet = this_cpu_ptr(&info->cache->percpu->flush_tasklet);
+        tasklet = &this_cpu_ptr(info->cache->percpu)->flush_tasklet;
         tasklet->data = (unsigned long)info;
         tasklet_schedule(tasklet);
 }
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 5fb8d7e47294..23854b51a259 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -496,8 +496,10 @@ static int rtnl_link_fill(struct sk_buff *skb, const struct net_device *dev)
         }
         if (ops->fill_info) {
                 data = nla_nest_start(skb, IFLA_INFO_DATA);
-                if (data == NULL)
+                if (data == NULL) {
+                        err = -EMSGSIZE;
                         goto err_cancel_link;
+                }
                 err = ops->fill_info(skb, dev);
                 if (err < 0)
                         goto err_cancel_data;
@@ -1070,7 +1072,7 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
         rcu_read_lock();
         cb->seq = net->dev_base_seq;
 
-        if (nlmsg_parse(cb->nlh, sizeof(struct rtgenmsg), tb, IFLA_MAX,
+        if (nlmsg_parse(cb->nlh, sizeof(struct ifinfomsg), tb, IFLA_MAX,
                         ifla_policy) >= 0) {
 
                 if (tb[IFLA_EXT_MASK])
@@ -1920,7 +1922,7 @@ static u16 rtnl_calcit(struct sk_buff *skb, struct nlmsghdr *nlh)
         u32 ext_filter_mask = 0;
         u16 min_ifinfo_dump_size = 0;
 
-        if (nlmsg_parse(nlh, sizeof(struct rtgenmsg), tb, IFLA_MAX,
+        if (nlmsg_parse(nlh, sizeof(struct ifinfomsg), tb, IFLA_MAX,
                         ifla_policy) >= 0) {
                 if (tb[IFLA_EXT_MASK])
                         ext_filter_mask = nla_get_u32(tb[IFLA_EXT_MASK]);
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index f678507bc829..c6287cd978c2 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -587,13 +587,16 @@ static void check_lifetime(struct work_struct *work)
 {
         unsigned long now, next, next_sec, next_sched;
         struct in_ifaddr *ifa;
+        struct hlist_node *n;
         int i;
 
         now = jiffies;
         next = round_jiffies_up(now + ADDR_CHECK_FREQUENCY);
 
-        rcu_read_lock();
         for (i = 0; i < IN4_ADDR_HSIZE; i++) {
+                bool change_needed = false;
+
+                rcu_read_lock();
                 hlist_for_each_entry_rcu(ifa, &inet_addr_lst[i], hash) {
                         unsigned long age;
 
@@ -606,16 +609,7 @@ static void check_lifetime(struct work_struct *work)
 
                         if (ifa->ifa_valid_lft != INFINITY_LIFE_TIME &&
                             age >= ifa->ifa_valid_lft) {
-                                struct in_ifaddr **ifap ;
-
-                                rtnl_lock();
-                                for (ifap = &ifa->ifa_dev->ifa_list;
-                                     *ifap != NULL; ifap = &ifa->ifa_next) {
-                                        if (*ifap == ifa)
-                                                inet_del_ifa(ifa->ifa_dev,
-                                                             ifap, 1);
-                                }
-                                rtnl_unlock();
+                                change_needed = true;
                         } else if (ifa->ifa_preferred_lft ==
                                    INFINITY_LIFE_TIME) {
                                 continue;
@@ -625,10 +619,8 @@ static void check_lifetime(struct work_struct *work)
                                         next = ifa->ifa_tstamp +
                                                ifa->ifa_valid_lft * HZ;
 
-                                if (!(ifa->ifa_flags & IFA_F_DEPRECATED)) {
-                                        ifa->ifa_flags |= IFA_F_DEPRECATED;
-                                        rtmsg_ifa(RTM_NEWADDR, ifa, NULL, 0);
-                                }
+                                if (!(ifa->ifa_flags & IFA_F_DEPRECATED))
+                                        change_needed = true;
                         } else if (time_before(ifa->ifa_tstamp +
                                                ifa->ifa_preferred_lft * HZ,
                                                next)) {
@@ -636,8 +628,42 @@ static void check_lifetime(struct work_struct *work)
                                        ifa->ifa_preferred_lft * HZ;
                         }
                 }
+                rcu_read_unlock();
+                if (!change_needed)
+                        continue;
+                rtnl_lock();
+                hlist_for_each_entry_safe(ifa, n, &inet_addr_lst[i], hash) {
+                        unsigned long age;
+
+                        if (ifa->ifa_flags & IFA_F_PERMANENT)
+                                continue;
+
+                        /* We try to batch several events at once. */
+                        age = (now - ifa->ifa_tstamp +
+                               ADDRCONF_TIMER_FUZZ_MINUS) / HZ;
+
+                        if (ifa->ifa_valid_lft != INFINITY_LIFE_TIME &&
+                            age >= ifa->ifa_valid_lft) {
+                                struct in_ifaddr **ifap;
+
+                                for (ifap = &ifa->ifa_dev->ifa_list;
+                                     *ifap != NULL; ifap = &(*ifap)->ifa_next) {
+                                        if (*ifap == ifa) {
+                                                inet_del_ifa(ifa->ifa_dev,
+                                                             ifap, 1);
+                                                break;
+                                        }
+                                }
+                        } else if (ifa->ifa_preferred_lft !=
+                                   INFINITY_LIFE_TIME &&
+                                   age >= ifa->ifa_preferred_lft &&
+                                   !(ifa->ifa_flags & IFA_F_DEPRECATED)) {
+                                ifa->ifa_flags |= IFA_F_DEPRECATED;
+                                rtmsg_ifa(RTM_NEWADDR, ifa, NULL, 0);
+                        }
+                }
+                rtnl_unlock();
         }
-        rcu_read_unlock();
 
         next_sec = round_jiffies_up(next);
         next_sched = next;
@@ -802,8 +828,12 @@ static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg
                 if (nlh->nlmsg_flags & NLM_F_EXCL ||
                     !(nlh->nlmsg_flags & NLM_F_REPLACE))
                         return -EEXIST;
-
-                set_ifa_lifetime(ifa_existing, valid_lft, prefered_lft);
+                ifa = ifa_existing;
+                set_ifa_lifetime(ifa, valid_lft, prefered_lft);
+                cancel_delayed_work(&check_lifetime_work);
+                schedule_delayed_work(&check_lifetime_work, 0);
+                rtmsg_ifa(RTM_NEWADDR, ifa, nlh, NETLINK_CB(skb).portid);
+                blocking_notifier_call_chain(&inetaddr_chain, NETDEV_UP, ifa);
         }
         return 0;
 }
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 3b4f0cd2e63e..4cfe34d4cc96 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -139,8 +139,6 @@ static int esp_output(struct xfrm_state *x, struct sk_buff *skb)
 
         /* skb is pure payload to encrypt */
 
-        err = -ENOMEM;
-
         esp = x->data;
         aead = esp->aead;
         alen = crypto_aead_authsize(aead);
@@ -176,8 +174,10 @@ static int esp_output(struct xfrm_state *x, struct sk_buff *skb)
         }
 
         tmp = esp_alloc_tmp(aead, nfrags + sglists, seqhilen);
-        if (!tmp)
+        if (!tmp) {
+                err = -ENOMEM;
                 goto error;
+        }
 
         seqhi = esp_tmp_seqhi(tmp);
         iv = esp_tmp_iv(aead, tmp, seqhilen);
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index a6445b843ef4..52c273ea05c3 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -248,8 +248,7 @@ static void ip_expire(unsigned long arg)
                 if (!head->dev)
                         goto out_rcu_unlock;
 
-                /* skb dst is stale, drop it, and perform route lookup again */
-                skb_dst_drop(head);
+                /* skb has no dst, perform route lookup again */
                 iph = ip_hdr(head);
                 err = ip_route_input_noref(head, iph->daddr, iph->saddr,
                                            iph->tos, head->dev);
@@ -523,9 +522,16 @@ found:
                 qp->q.max_size = skb->len + ihl;
 
         if (qp->q.last_in == (INET_FRAG_FIRST_IN | INET_FRAG_LAST_IN) &&
-            qp->q.meat == qp->q.len)
-                return ip_frag_reasm(qp, prev, dev);
+            qp->q.meat == qp->q.len) {
+                unsigned long orefdst = skb->_skb_refdst;
 
+                skb->_skb_refdst = 0UL;
+                err = ip_frag_reasm(qp, prev, dev);
+                skb->_skb_refdst = orefdst;
+                return err;
+        }
+
+        skb_dst_drop(skb);
         inet_frag_lru_move(&qp->q);
         return -EINPROGRESS;
 
diff --git a/net/ipv4/netfilter/ipt_rpfilter.c b/net/ipv4/netfilter/ipt_rpfilter.c
index c30130062cd6..c49dcd0284a0 100644
--- a/net/ipv4/netfilter/ipt_rpfilter.c
+++ b/net/ipv4/netfilter/ipt_rpfilter.c
@@ -66,6 +66,12 @@ static bool rpfilter_lookup_reverse(struct flowi4 *fl4,
         return dev_match;
 }
 
+static bool rpfilter_is_local(const struct sk_buff *skb)
+{
+        const struct rtable *rt = skb_rtable(skb);
+        return rt && (rt->rt_flags & RTCF_LOCAL);
+}
+
 static bool rpfilter_mt(const struct sk_buff *skb, struct xt_action_param *par)
 {
         const struct xt_rpfilter_info *info;
@@ -76,7 +82,7 @@ static bool rpfilter_mt(const struct sk_buff *skb, struct xt_action_param *par)
         info = par->matchinfo;
         invert = info->flags & XT_RPFILTER_INVERT;
 
-        if (par->in->flags & IFF_LOOPBACK)
+        if (rpfilter_is_local(skb))
                 return true ^ invert;
 
         iph = ip_hdr(skb);
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index ef54377fb11c..397e0f69435f 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -349,8 +349,8 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
          * hasn't changed since we received the original syn, but I see
          * no easy way to do this.
          */
-        flowi4_init_output(&fl4, 0, sk->sk_mark, RT_CONN_FLAGS(sk),
-                           RT_SCOPE_UNIVERSE, IPPROTO_TCP,
+        flowi4_init_output(&fl4, sk->sk_bound_dev_if, sk->sk_mark,
+                           RT_CONN_FLAGS(sk), RT_SCOPE_UNIVERSE, IPPROTO_TCP,
                            inet_sk_flowi_flags(sk),
                            (opt && opt->srr) ? opt->faddr : ireq->rmt_addr,
                            ireq->loc_addr, th->source, th->dest);
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 3bd55bad230a..13b9c08fc158 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -113,6 +113,7 @@ int sysctl_tcp_early_retrans __read_mostly = 2;
 #define FLAG_DSACKING_ACK       0x800 /* SACK blocks contained D-SACK info */
 #define FLAG_NONHEAD_RETRANS_ACKED      0x1000 /* Non-head rexmitted data was ACKed */
 #define FLAG_SACK_RENEGING      0x2000 /* snd_una advanced to a sacked seq */
+#define FLAG_UPDATE_TS_RECENT   0x4000 /* tcp_replace_ts_recent() */
 
 #define FLAG_ACKED              (FLAG_DATA_ACKED|FLAG_SYN_ACKED)
 #define FLAG_NOT_DUP            (FLAG_DATA|FLAG_WIN_UPDATE|FLAG_ACKED)
@@ -3564,6 +3565,27 @@ static void tcp_send_challenge_ack(struct sock *sk)
         }
 }
 
+static void tcp_store_ts_recent(struct tcp_sock *tp)
+{
+        tp->rx_opt.ts_recent = tp->rx_opt.rcv_tsval;
+        tp->rx_opt.ts_recent_stamp = get_seconds();
+}
+
+static void tcp_replace_ts_recent(struct tcp_sock *tp, u32 seq)
+{
+        if (tp->rx_opt.saw_tstamp && !after(seq, tp->rcv_wup)) {
+                /* PAWS bug workaround wrt. ACK frames, the PAWS discard
+                 * extra check below makes sure this can only happen
+                 * for pure ACK frames.  -DaveM
+                 *
+                 * Not only, also it occurs for expired timestamps.
+                 */
+
+                if (tcp_paws_check(&tp->rx_opt, 0))
+                        tcp_store_ts_recent(tp);
+        }
+}
+
 /* This routine deals with incoming acks, but not outgoing ones. */
 static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
 {
@@ -3607,6 +3629,12 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
         prior_fackets = tp->fackets_out;
         prior_in_flight = tcp_packets_in_flight(tp);
 
+        /* ts_recent update must be made after we are sure that the packet
+         * is in window.
+         */
+        if (flag & FLAG_UPDATE_TS_RECENT)
+                tcp_replace_ts_recent(tp, TCP_SKB_CB(skb)->seq);
+
         if (!(flag & FLAG_SLOWPATH) && after(ack, prior_snd_una)) {
                 /* Window is constant, pure forward advance.
                  * No more checks are required.
@@ -3927,27 +3955,6 @@ const u8 *tcp_parse_md5sig_option(const struct tcphdr *th)
 EXPORT_SYMBOL(tcp_parse_md5sig_option);
 #endif
 
-static inline void tcp_store_ts_recent(struct tcp_sock *tp)
-{
-        tp->rx_opt.ts_recent = tp->rx_opt.rcv_tsval;
-        tp->rx_opt.ts_recent_stamp = get_seconds();
-}
-
-static inline void tcp_replace_ts_recent(struct tcp_sock *tp, u32 seq)
-{
-        if (tp->rx_opt.saw_tstamp && !after(seq, tp->rcv_wup)) {
-                /* PAWS bug workaround wrt. ACK frames, the PAWS discard
-                 * extra check below makes sure this can only happen
-                 * for pure ACK frames.  -DaveM
-                 *
-                 * Not only, also it occurs for expired timestamps.
-                 */
-
-                if (tcp_paws_check(&tp->rx_opt, 0))
-                        tcp_store_ts_recent(tp);
-        }
-}
-
 /* Sorry, PAWS as specified is broken wrt. pure-ACKs -DaveM
  *
  * It is not fatal. If this ACK does _not_ change critical state (seqs, window)
@@ -5543,14 +5550,9 @@ slow_path:
                 return 0;
 
 step5:
-        if (tcp_ack(sk, skb, FLAG_SLOWPATH) < 0)
+        if (tcp_ack(sk, skb, FLAG_SLOWPATH | FLAG_UPDATE_TS_RECENT) < 0)
                 goto discard;
 
-        /* ts_recent update must be made after we are sure that the packet
-         * is in window.
-         */
-        tcp_replace_ts_recent(tp, TCP_SKB_CB(skb)->seq);
-
         tcp_rcv_rtt_measure_ts(sk, skb);
 
         /* Process urgent data. */
@@ -5986,7 +5988,8 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
 
         /* step 5: check the ACK field */
         if (true) {
-                int acceptable = tcp_ack(sk, skb, FLAG_SLOWPATH) > 0;
+                int acceptable = tcp_ack(sk, skb, FLAG_SLOWPATH |
+                                                  FLAG_UPDATE_TS_RECENT) > 0;
 
                 switch (sk->sk_state) {
                 case TCP_SYN_RECV:
@@ -6137,11 +6140,6 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
                 }
         }
 
-        /* ts_recent update must be made after we are sure that the packet
-         * is in window.
-         */
-        tcp_replace_ts_recent(tp, TCP_SKB_CB(skb)->seq);
-
         /* step 6: check the URG bit */
         tcp_urg(sk, skb, th);
 
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 5d0b4387cba6..509912a5ff98 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2388,8 +2388,12 @@ int __tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
          */
         TCP_SKB_CB(skb)->when = tcp_time_stamp;
 
-        /* make sure skb->data is aligned on arches that require it */
-        if (unlikely(NET_IP_ALIGN && ((unsigned long)skb->data & 3))) {
+        /* make sure skb->data is aligned on arches that require it
+         * and check if ack-trimming & collapsing extended the headroom
+         * beyond what csum_start can cover.
+         */
+        if (unlikely((NET_IP_ALIGN && ((unsigned long)skb->data & 3)) ||
+                     skb_headroom(skb) >= 0xFFFF)) {
                 struct sk_buff *nskb = __pskb_copy(skb, MAX_TCP_HEADER,
                                                    GFP_ATOMIC);
                 return nskb ? tcp_transmit_skb(sk, nskb, 0, GFP_ATOMIC) :
@@ -2709,6 +2713,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
         skb_reserve(skb, MAX_TCP_HEADER);
 
         skb_dst_set(skb, dst);
+        security_skb_owned_by(skb, sk);
 
         mss = dst_metric_advmss(dst);
         if (tp->rx_opt.user_mss && tp->rx_opt.user_mss < mss)
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 26512250e095..dae802c0af7c 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -168,8 +168,6 @@ static void inet6_prefix_notify(int event, struct inet6_dev *idev,
 static bool ipv6_chk_same_addr(struct net *net, const struct in6_addr *addr,
                                struct net_device *dev);
 
-static ATOMIC_NOTIFIER_HEAD(inet6addr_chain);
-
 static struct ipv6_devconf ipv6_devconf __read_mostly = {
         .forwarding             = 0,
         .hop_limit              = IPV6_DEFAULT_HOPLIMIT,
@@ -837,7 +835,7 @@ out2:
         rcu_read_unlock_bh();
 
         if (likely(err == 0))
-                atomic_notifier_call_chain(&inet6addr_chain, NETDEV_UP, ifa);
+                inet6addr_notifier_call_chain(NETDEV_UP, ifa);
         else {
                 kfree(ifa);
                 ifa = ERR_PTR(err);
@@ -927,7 +925,7 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
 
         ipv6_ifa_notify(RTM_DELADDR, ifp);
 
-        atomic_notifier_call_chain(&inet6addr_chain, NETDEV_DOWN, ifp);
+        inet6addr_notifier_call_chain(NETDEV_DOWN, ifp);
 
         /*
          * Purge or update corresponding prefix
@@ -2529,6 +2527,9 @@ static void sit_add_v4_addrs(struct inet6_dev *idev)
 static void init_loopback(struct net_device *dev)
 {
         struct inet6_dev  *idev;
+        struct net_device *sp_dev;
+        struct inet6_ifaddr *sp_ifa;
+        struct rt6_info *sp_rt;
 
         /* ::1 */
 
@@ -2540,6 +2541,30 @@ static void init_loopback(struct net_device *dev)
         }
 
         add_addr(idev, &in6addr_loopback, 128, IFA_HOST);
+
+        /* Add routes to other interface's IPv6 addresses */
+        for_each_netdev(dev_net(dev), sp_dev) {
+                if (!strcmp(sp_dev->name, dev->name))
+                        continue;
+
+                idev = __in6_dev_get(sp_dev);
+                if (!idev)
+                        continue;
+
+                read_lock_bh(&idev->lock);
+                list_for_each_entry(sp_ifa, &idev->addr_list, if_list) {
+
+                        if (sp_ifa->flags & (IFA_F_DADFAILED | IFA_F_TENTATIVE))
+                                continue;
+
+                        sp_rt = addrconf_dst_alloc(idev, &sp_ifa->addr, 0);
+
+                        /* Failure cases are ignored */
+                        if (!IS_ERR(sp_rt))
+                                ip6_ins_rt(sp_rt);
+                }
+                read_unlock_bh(&idev->lock);
+        }
 }
 
 static void addrconf_add_linklocal(struct inet6_dev *idev, const struct in6_addr *addr)
@@ -2961,7 +2986,7 @@ static int addrconf_ifdown(struct net_device *dev, int how)
 
                 if (state != INET6_IFADDR_STATE_DEAD) {
                         __ipv6_ifa_notify(RTM_DELADDR, ifa);
-                        atomic_notifier_call_chain(&inet6addr_chain, NETDEV_DOWN, ifa);
+                        inet6addr_notifier_call_chain(NETDEV_DOWN, ifa);
                 }
                 in6_ifa_put(ifa);
 
@@ -4842,22 +4867,6 @@ static struct pernet_operations addrconf_ops = {
         .exit = addrconf_exit_net,
 };
 
-/*
- *      Device notifier
- */
-
-int register_inet6addr_notifier(struct notifier_block *nb)
-{
-        return atomic_notifier_chain_register(&inet6addr_chain, nb);
-}
-EXPORT_SYMBOL(register_inet6addr_notifier);
-
-int unregister_inet6addr_notifier(struct notifier_block *nb)
-{
-        return atomic_notifier_chain_unregister(&inet6addr_chain, nb);
-}
-EXPORT_SYMBOL(unregister_inet6addr_notifier);
-
 static struct rtnl_af_ops inet6_ops = {
         .family           = AF_INET6,
         .fill_link_af     = inet6_fill_link_af,
diff --git a/net/ipv6/addrconf_core.c b/net/ipv6/addrconf_core.c
index d051e5f4bf34..72104562c864 100644
--- a/net/ipv6/addrconf_core.c
+++ b/net/ipv6/addrconf_core.c
@@ -78,3 +78,22 @@ int __ipv6_addr_type(const struct in6_addr *addr)
 }
 EXPORT_SYMBOL(__ipv6_addr_type);
 
+static ATOMIC_NOTIFIER_HEAD(inet6addr_chain);
+
+int register_inet6addr_notifier(struct notifier_block *nb)
+{
+        return atomic_notifier_chain_register(&inet6addr_chain, nb);
+}
+EXPORT_SYMBOL(register_inet6addr_notifier);
+
+int unregister_inet6addr_notifier(struct notifier_block *nb)
+{
+        return atomic_notifier_chain_unregister(&inet6addr_chain, nb);
+}
+EXPORT_SYMBOL(unregister_inet6addr_notifier);
+
+int inet6addr_notifier_call_chain(unsigned long val, void *v)
+{
+        return atomic_notifier_call_chain(&inet6addr_chain, val, v);
+}
+EXPORT_SYMBOL(inet6addr_notifier_call_chain);
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index e33fe0ab2568..2bab2aa59745 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -118,6 +118,18 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
             ipv6_addr_loopback(&hdr->daddr))
                 goto err;
 
+        /* RFC4291 Errata ID: 3480
+         * Interface-Local scope spans only a single interface on a
+         * node and is useful only for loopback transmission of
+         * multicast.  Packets with interface-local scope received
+         * from another node must be discarded.
+         */
+        if (!(skb->pkt_type == PACKET_LOOPBACK ||
+              dev->flags & IFF_LOOPBACK) &&
+            ipv6_addr_is_multicast(&hdr->daddr) &&
+            IPV6_ADDR_MC_SCOPE(&hdr->daddr) == 1)
+                goto err;
+
         /* RFC4291 2.7
          * Nodes must not originate a packet to a multicast address whose scope
          * field contains the reserved value 0; if such a packet is received, it
diff --git a/net/ipv6/netfilter/ip6t_NPT.c b/net/ipv6/netfilter/ip6t_NPT.c
index 33608c610276..cb631143721c 100644
--- a/net/ipv6/netfilter/ip6t_NPT.c
+++ b/net/ipv6/netfilter/ip6t_NPT.c
@@ -57,7 +57,7 @@ static bool ip6t_npt_map_pfx(const struct ip6t_npt_tginfo *npt,
                 if (pfx_len - i >= 32)
                         mask = 0;
                 else
-                        mask = htonl(~((1 << (pfx_len - i)) - 1));
+                        mask = htonl((1 << (i - pfx_len + 32)) - 1);
 
                 idx = i / 32;
                 addr->s6_addr32[idx] &= mask;
diff --git a/net/ipv6/netfilter/ip6t_rpfilter.c b/net/ipv6/netfilter/ip6t_rpfilter.c
index 5060d54199ab..e0983f3648a6 100644
--- a/net/ipv6/netfilter/ip6t_rpfilter.c
+++ b/net/ipv6/netfilter/ip6t_rpfilter.c
@@ -71,6 +71,12 @@ static bool rpfilter_lookup_reverse6(const struct sk_buff *skb,
         return ret;
 }
 
+static bool rpfilter_is_local(const struct sk_buff *skb)
+{
+        const struct rt6_info *rt = (const void *) skb_dst(skb);
+        return rt && (rt->rt6i_flags & RTF_LOCAL);
+}
+
 static bool rpfilter_mt(const struct sk_buff *skb, struct xt_action_param *par)
 {
         const struct xt_rpfilter_info *info = par->matchinfo;
@@ -78,7 +84,7 @@ static bool rpfilter_mt(const struct sk_buff *skb, struct xt_action_param *par)
         struct ipv6hdr *iph;
         bool invert = info->flags & XT_RPFILTER_INVERT;
 
-        if (par->in->flags & IFF_LOOPBACK)
+        if (rpfilter_is_local(skb))
                 return true ^ invert;
 
         iph = ipv6_hdr(skb);
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 196ab9347ad1..0ba10e53a629 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -330,9 +330,17 @@ found:
         }
 
         if (fq->q.last_in == (INET_FRAG_FIRST_IN | INET_FRAG_LAST_IN) &&
-            fq->q.meat == fq->q.len)
-                return ip6_frag_reasm(fq, prev, dev);
+            fq->q.meat == fq->q.len) {
+                int res;
+                unsigned long orefdst = skb->_skb_refdst;
+
+                skb->_skb_refdst = 0UL;
+                res = ip6_frag_reasm(fq, prev, dev);
+                skb->_skb_refdst = orefdst;
+                return res;
+        }
 
+        skb_dst_drop(skb);
         inet_frag_lru_move(&fq->q);
         return -1;
 
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index f6d629fd6aee..46a5be85be87 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -386,6 +386,7 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 
                 if (dst)
                         dst->ops->redirect(dst, sk, skb);
+                goto out;
         }
 
         if (type == ICMPV6_PKT_TOOBIG) {
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index d28e7f014cc6..e493b3397ae3 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -1386,6 +1386,8 @@ static int irda_recvmsg_dgram(struct kiocb *iocb, struct socket *sock,
 
         IRDA_DEBUG(4, "%s()\n", __func__);
 
+        msg->msg_namelen = 0;
+
         skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
                                 flags & MSG_DONTWAIT, &err);
         if (!skb)
diff --git a/net/irda/iriap.c b/net/irda/iriap.c
index 29340a9a6fb9..e1b37f5a2691 100644
--- a/net/irda/iriap.c
+++ b/net/irda/iriap.c
@@ -303,7 +303,8 @@ static void iriap_disconnect_indication(void *instance, void *sap,
 {
         struct iriap_cb *self;
 
-        IRDA_DEBUG(4, "%s(), reason=%s\n", __func__, irlmp_reasons[reason]);
+        IRDA_DEBUG(4, "%s(), reason=%s [%d]\n", __func__,
+                   irlmp_reason_str(reason), reason);
 
         self = instance;
 
diff --git a/net/irda/irlmp.c b/net/irda/irlmp.c
index 6115a44c0a24..1064621da6f6 100644
--- a/net/irda/irlmp.c
+++ b/net/irda/irlmp.c
@@ -66,8 +66,15 @@ const char *irlmp_reasons[] = {
         "LM_LAP_RESET",
         "LM_INIT_DISCONNECT",
         "ERROR, NOT USED",
+        "UNKNOWN",
 };
 
+const char *irlmp_reason_str(LM_REASON reason)
+{
+        reason = min_t(size_t, reason, ARRAY_SIZE(irlmp_reasons) - 1);
+        return irlmp_reasons[reason];
+}
+
 /*
  * Function irlmp_init (void)
  *
@@ -747,7 +754,8 @@ void irlmp_disconnect_indication(struct lsap_cb *self, LM_REASON reason,
 {
         struct lsap_cb *lsap;
 
-        IRDA_DEBUG(1, "%s(), reason=%s\n", __func__, irlmp_reasons[reason]);
+        IRDA_DEBUG(1, "%s(), reason=%s [%d]\n", __func__,
+                   irlmp_reason_str(reason), reason);
         IRDA_ASSERT(self != NULL, return;);
         IRDA_ASSERT(self->magic == LMP_LSAP_MAGIC, return;);
 
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index a7d11ffe4284..206ce6db2c36 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -49,12 +49,6 @@ static const u8 iprm_shutdown[8] =
 
 #define TRGCLS_SIZE     (sizeof(((struct iucv_message *)0)->class))
 
-/* macros to set/get socket control buffer at correct offset */
-#define CB_TAG(skb)     ((skb)->cb)             /* iucv message tag */
-#define CB_TAG_LEN      (sizeof(((struct iucv_message *) 0)->tag))
-#define CB_TRGCLS(skb)  ((skb)->cb + CB_TAG_LEN) /* iucv msg target class */
-#define CB_TRGCLS_LEN   (TRGCLS_SIZE)
-
 #define __iucv_sock_wait(sk, condition, timeo, ret)                     \
 do {                                                                    \
         DEFINE_WAIT(__wait);                                            \
@@ -1141,7 +1135,7 @@ static int iucv_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
 
         /* increment and save iucv message tag for msg_completion cbk */
         txmsg.tag = iucv->send_tag++;
-        memcpy(CB_TAG(skb), &txmsg.tag, CB_TAG_LEN);
+        IUCV_SKB_CB(skb)->tag = txmsg.tag;
 
         if (iucv->transport == AF_IUCV_TRANS_HIPER) {
                 atomic_inc(&iucv->msg_sent);
@@ -1224,7 +1218,7 @@ static int iucv_fragment_skb(struct sock *sk, struct sk_buff *skb, int len)
                         return -ENOMEM;
 
                 /* copy target class to control buffer of new skb */
-                memcpy(CB_TRGCLS(nskb), CB_TRGCLS(skb), CB_TRGCLS_LEN);
+                IUCV_SKB_CB(nskb)->class = IUCV_SKB_CB(skb)->class;
 
                 /* copy data fragment */
                 memcpy(nskb->data, skb->data + copied, size);
@@ -1256,7 +1250,7 @@ static void iucv_process_message(struct sock *sk, struct sk_buff *skb,
 
         /* store msg target class in the second 4 bytes of skb ctrl buffer */
         /* Note: the first 4 bytes are reserved for msg tag */
-        memcpy(CB_TRGCLS(skb), &msg->class, CB_TRGCLS_LEN);
+        IUCV_SKB_CB(skb)->class = msg->class;
 
         /* check for special IPRM messages (e.g. iucv_sock_shutdown) */
         if ((msg->flags & IUCV_IPRMDATA) && len > 7) {
@@ -1292,6 +1286,7 @@ static void iucv_process_message(struct sock *sk, struct sk_buff *skb,
                 }
         }
 
+        IUCV_SKB_CB(skb)->offset = 0;
         if (sock_queue_rcv_skb(sk, skb))
                 skb_queue_head(&iucv_sk(sk)->backlog_skb_q, skb);
 }
@@ -1327,6 +1322,9 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
         unsigned int copied, rlen;
         struct sk_buff *skb, *rskb, *cskb;
         int err = 0;
+        u32 offset;
+
+        msg->msg_namelen = 0;
 
         if ((sk->sk_state == IUCV_DISCONN) &&
             skb_queue_empty(&iucv->backlog_skb_q) &&
@@ -1346,13 +1344,14 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
                 return err;
         }
 
-        rlen   = skb->len;              /* real length of skb */
+        offset = IUCV_SKB_CB(skb)->offset;
+        rlen   = skb->len - offset;             /* real length of skb */
         copied = min_t(unsigned int, rlen, len);
         if (!rlen)
                 sk->sk_shutdown = sk->sk_shutdown | RCV_SHUTDOWN;
 
         cskb = skb;
-        if (skb_copy_datagram_iovec(cskb, 0, msg->msg_iov, copied)) {
+        if (skb_copy_datagram_iovec(cskb, offset, msg->msg_iov, copied)) {
                 if (!(flags & MSG_PEEK))
                         skb_queue_head(&sk->sk_receive_queue, skb);
                 return -EFAULT;
@@ -1370,7 +1369,8 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
          * get the trgcls from the control buffer of the skb due to
          * fragmentation of original iucv message. */
         err = put_cmsg(msg, SOL_IUCV, SCM_IUCV_TRGCLS,
-                        CB_TRGCLS_LEN, CB_TRGCLS(skb));
+                       sizeof(IUCV_SKB_CB(skb)->class),
+                       (void *)&IUCV_SKB_CB(skb)->class);
         if (err) {
                 if (!(flags & MSG_PEEK))
                         skb_queue_head(&sk->sk_receive_queue, skb);
@@ -1382,9 +1382,8 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
 
                 /* SOCK_STREAM: re-queue skb if it contains unreceived data */
                 if (sk->sk_type == SOCK_STREAM) {
-                        skb_pull(skb, copied);
-                        if (skb->len) {
-                                skb_queue_head(&sk->sk_receive_queue, skb);
+                        if (copied < rlen) {
+                                IUCV_SKB_CB(skb)->offset = offset + copied;
                                 goto done;
                         }
                 }
@@ -1403,6 +1402,7 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
                 spin_lock_bh(&iucv->message_q.lock);
                 rskb = skb_dequeue(&iucv->backlog_skb_q);
                 while (rskb) {
+                        IUCV_SKB_CB(rskb)->offset = 0;
                         if (sock_queue_rcv_skb(sk, rskb)) {
                                 skb_queue_head(&iucv->backlog_skb_q,
                                                 rskb);
@@ -1830,7 +1830,7 @@ static void iucv_callback_txdone(struct iucv_path *path,
                 spin_lock_irqsave(&list->lock, flags);
 
                 while (list_skb != (struct sk_buff *)list) {
-                        if (!memcmp(&msg->tag, CB_TAG(list_skb), CB_TAG_LEN)) {
+                        if (msg->tag != IUCV_SKB_CB(list_skb)->tag) {
                                 this = list_skb;
                                 break;
                         }
@@ -2091,6 +2091,7 @@ static int afiucv_hs_callback_rx(struct sock *sk, struct sk_buff *skb)
         skb_pull(skb, sizeof(struct af_iucv_trans_hdr));
         skb_reset_transport_header(skb);
         skb_reset_network_header(skb);
+        IUCV_SKB_CB(skb)->offset = 0;
         spin_lock(&iucv->message_q.lock);
         if (skb_queue_empty(&iucv->backlog_skb_q)) {
                 if (sock_queue_rcv_skb(sk, skb)) {
@@ -2195,8 +2196,7 @@ static int afiucv_hs_rcv(struct sk_buff *skb, struct net_device *dev,
                 /* fall through and receive zero length data */
         case 0:
                 /* plain data frame */
-                memcpy(CB_TRGCLS(skb), &trans_hdr->iucv_hdr.class,
-                       CB_TRGCLS_LEN);
+                IUCV_SKB_CB(skb)->class = trans_hdr->iucv_hdr.class;
                 err = afiucv_hs_callback_rx(sk, skb);
                 break;
         default:
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 8555f331ea60..5b1e5af25713 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -2693,6 +2693,7 @@ static int key_notify_policy_flush(const struct km_event *c)
         hdr->sadb_msg_pid = c->portid;
         hdr->sadb_msg_version = PF_KEY_V2;
         hdr->sadb_msg_errno = (uint8_t) 0;
+        hdr->sadb_msg_satype = SADB_SATYPE_UNSPEC;
         hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t));
         pfkey_broadcast(skb_out, GFP_ATOMIC, BROADCAST_ALL, NULL, c->net);
         return 0;
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index c74f5a91ff6a..b8a6039314e8 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -690,6 +690,7 @@ static int l2tp_ip6_recvmsg(struct kiocb *iocb, struct sock *sk,
                 lsa->l2tp_addr = ipv6_hdr(skb)->saddr;
                 lsa->l2tp_flowinfo = 0;
                 lsa->l2tp_scope_id = 0;
+                lsa->l2tp_conn_id = 0;
                 if (ipv6_addr_type(&lsa->l2tp_addr) & IPV6_ADDR_LINKLOCAL)
                         lsa->l2tp_scope_id = IP6CB(skb)->iif;
         }
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 88709882c464..48aaa89253e0 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -720,6 +720,8 @@ static int llc_ui_recvmsg(struct kiocb *iocb, struct socket *sock,
         int target;     /* Read at least this many bytes */
         long timeo;
 
+        msg->msg_namelen = 0;
+
         lock_sock(sk);
         copied = -ENOTCONN;
         if (unlikely(sk->sk_type == SOCK_STREAM && sk->sk_state == TCP_LISTEN))
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index fb306814576a..a6893602f87a 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2582,7 +2582,7 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local,
                         list_del(&dep->list);
                         mutex_unlock(&local->mtx);
 
-                        ieee80211_roc_notify_destroy(dep);
+                        ieee80211_roc_notify_destroy(dep, true);
                         return 0;
                 }
 
@@ -2622,7 +2622,7 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local,
                         ieee80211_start_next_roc(local);
                 mutex_unlock(&local->mtx);
 
-                ieee80211_roc_notify_destroy(found);
+                ieee80211_roc_notify_destroy(found, true);
         } else {
                 /* work may be pending so use it all the time */
                 found->abort = true;
@@ -2632,6 +2632,8 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local,
 
                 /* work will clean up etc */
                 flush_delayed_work(&found->work);
+                WARN_ON(!found->to_be_freed);
+                kfree(found);
         }
 
         return 0;
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index 78c0d90dd641..931be419ab5a 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -63,6 +63,7 @@ ieee80211_new_chanctx(struct ieee80211_local *local,
                       enum ieee80211_chanctx_mode mode)
 {
         struct ieee80211_chanctx *ctx;
+        u32 changed;
         int err;
 
         lockdep_assert_held(&local->chanctx_mtx);
@@ -76,6 +77,13 @@ ieee80211_new_chanctx(struct ieee80211_local *local,
         ctx->conf.rx_chains_dynamic = 1;
         ctx->mode = mode;
 
+        /* acquire mutex to prevent idle from changing */
+        mutex_lock(&local->mtx);
+        /* turn idle off *before* setting channel -- some drivers need that */
+        changed = ieee80211_idle_off(local);
+        if (changed)
+                ieee80211_hw_config(local, changed);
+
         if (!local->use_chanctx) {
                 local->_oper_channel_type =
                         cfg80211_get_chandef_type(chandef);
@@ -85,14 +93,17 @@ ieee80211_new_chanctx(struct ieee80211_local *local,
                 err = drv_add_chanctx(local, ctx);
                 if (err) {
                         kfree(ctx);
-                        return ERR_PTR(err);
+                        ctx = ERR_PTR(err);
+
+                        ieee80211_recalc_idle(local);
+                        goto out;
                 }
         }
 
+        /* and keep the mutex held until the new chanctx is on the list */
         list_add_rcu(&ctx->list, &local->chanctx_list);
 
-        mutex_lock(&local->mtx);
-        ieee80211_recalc_idle(local);
+ out:
         mutex_unlock(&local->mtx);
 
         return ctx;
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 388580a1bada..5672533a0832 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -309,6 +309,7 @@ struct ieee80211_roc_work {
         struct ieee80211_channel *chan;
 
         bool started, abort, hw_begun, notified;
+        bool to_be_freed;
 
         unsigned long hw_start_time;
 
@@ -1347,7 +1348,7 @@ void ieee80211_offchannel_return(struct ieee80211_local *local);
 void ieee80211_roc_setup(struct ieee80211_local *local);
 void ieee80211_start_next_roc(struct ieee80211_local *local);
 void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata);
-void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc);
+void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free);
 void ieee80211_sw_roc_work(struct work_struct *work);
 void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc);
 
@@ -1361,6 +1362,7 @@ int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
                              enum nl80211_iftype type);
 void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);
 void ieee80211_remove_interfaces(struct ieee80211_local *local);
+u32 ieee80211_idle_off(struct ieee80211_local *local);
 void ieee80211_recalc_idle(struct ieee80211_local *local);
 void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
                                     const int offset);
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index baaa8608e52d..9ed49ad0380f 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -78,7 +78,7 @@ void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata)
                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_TXPOWER);
 }
 
-static u32 ieee80211_idle_off(struct ieee80211_local *local)
+static u32 __ieee80211_idle_off(struct ieee80211_local *local)
 {
         if (!(local->hw.conf.flags & IEEE80211_CONF_IDLE))
                 return 0;
@@ -87,7 +87,7 @@ static u32 ieee80211_idle_off(struct ieee80211_local *local)
         return IEEE80211_CONF_CHANGE_IDLE;
 }
 
-static u32 ieee80211_idle_on(struct ieee80211_local *local)
+static u32 __ieee80211_idle_on(struct ieee80211_local *local)
 {
         if (local->hw.conf.flags & IEEE80211_CONF_IDLE)
                 return 0;
@@ -98,16 +98,18 @@ static u32 ieee80211_idle_on(struct ieee80211_local *local)
         return IEEE80211_CONF_CHANGE_IDLE;
 }
 
-void ieee80211_recalc_idle(struct ieee80211_local *local)
+static u32 __ieee80211_recalc_idle(struct ieee80211_local *local,
+                                   bool force_active)
 {
         bool working = false, scanning, active;
         unsigned int led_trig_start = 0, led_trig_stop = 0;
         struct ieee80211_roc_work *roc;
-        u32 change;
 
         lockdep_assert_held(&local->mtx);
 
-        active = !list_empty(&local->chanctx_list) || local->monitors;
+        active = force_active ||
+                 !list_empty(&local->chanctx_list) ||
+                 local->monitors;
 
         if (!local->ops->remain_on_channel) {
                 list_for_each_entry(roc, &local->roc_list, list) {
@@ -132,9 +134,18 @@ void ieee80211_recalc_idle(struct ieee80211_local *local)
         ieee80211_mod_tpt_led_trig(local, led_trig_start, led_trig_stop);
 
         if (working || scanning || active)
-                change = ieee80211_idle_off(local);
-        else
-                change = ieee80211_idle_on(local);
+                return __ieee80211_idle_off(local);
+        return __ieee80211_idle_on(local);
+}
+
+u32 ieee80211_idle_off(struct ieee80211_local *local)
+{
+        return __ieee80211_recalc_idle(local, true);
+}
+
+void ieee80211_recalc_idle(struct ieee80211_local *local)
+{
+        u32 change = __ieee80211_recalc_idle(local, false);
         if (change)
                 ieee80211_hw_config(local, change);
 }
@@ -349,21 +360,19 @@ static void ieee80211_set_default_queues(struct ieee80211_sub_if_data *sdata)
 static int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
 {
         struct ieee80211_sub_if_data *sdata;
-        int ret = 0;
+        int ret;
 
         if (!(local->hw.flags & IEEE80211_HW_WANT_MONITOR_VIF))
                 return 0;
 
-        mutex_lock(&local->iflist_mtx);
+        ASSERT_RTNL();
 
         if (local->monitor_sdata)
-                goto out_unlock;
+                return 0;
 
         sdata = kzalloc(sizeof(*sdata) + local->hw.vif_data_size, GFP_KERNEL);
-        if (!sdata) {
-                ret = -ENOMEM;
-                goto out_unlock;
-        }
+        if (!sdata)
+                return -ENOMEM;
 
         /* set up data */
         sdata->local = local;
@@ -377,13 +386,13 @@ static int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
         if (WARN_ON(ret)) {
                 /* ok .. stupid driver, it asked for this! */
                 kfree(sdata);
-                goto out_unlock;
+                return ret;
         }
 
         ret = ieee80211_check_queues(sdata);
         if (ret) {
                 kfree(sdata);
-                goto out_unlock;
+                return ret;
         }
 
         ret = ieee80211_vif_use_channel(sdata, &local->monitor_chandef,
@@ -391,13 +400,14 @@ static int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
         if (ret) {
                 drv_remove_interface(local, sdata);
                 kfree(sdata);
-                goto out_unlock;
+                return ret;
         }
 
+        mutex_lock(&local->iflist_mtx);
         rcu_assign_pointer(local->monitor_sdata, sdata);
- out_unlock:
         mutex_unlock(&local->iflist_mtx);
-        return ret;
+
+        return 0;
 }
 
 static void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
@@ -407,14 +417,20 @@ static void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
         if (!(local->hw.flags & IEEE80211_HW_WANT_MONITOR_VIF))
                 return;
 
+        ASSERT_RTNL();
+
         mutex_lock(&local->iflist_mtx);
 
         sdata = rcu_dereference_protected(local->monitor_sdata,
                                           lockdep_is_held(&local->iflist_mtx));
-        if (!sdata)
-                goto out_unlock;
+        if (!sdata) {
+                mutex_unlock(&local->iflist_mtx);
+                return;
+        }
 
         rcu_assign_pointer(local->monitor_sdata, NULL);
+        mutex_unlock(&local->iflist_mtx);
+
         synchronize_net();
 
         ieee80211_vif_release_channel(sdata);
@@ -422,8 +438,6 @@ static void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
         drv_remove_interface(local, sdata);
 
         kfree(sdata);
- out_unlock:
-        mutex_unlock(&local->iflist_mtx);
 }
 
 /*
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 29ce2aa87e7b..4749b3858695 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -1060,7 +1060,8 @@ void ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local)
 
         rcu_read_lock();
         list_for_each_entry_rcu(sdata, &local->interfaces, list)
-                if (ieee80211_vif_is_mesh(&sdata->vif))
+                if (ieee80211_vif_is_mesh(&sdata->vif) &&
+                    ieee80211_sdata_running(sdata))
                         ieee80211_queue_work(&local->hw, &sdata->work);
         rcu_read_unlock();
 }
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 141577412d84..346ad4cfb013 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3608,8 +3608,10 @@ void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local)
 
         /* Restart STA timers */
         rcu_read_lock();
-        list_for_each_entry_rcu(sdata, &local->interfaces, list)
-                ieee80211_restart_sta_timer(sdata);
+        list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+                if (ieee80211_sdata_running(sdata))
+                        ieee80211_restart_sta_timer(sdata);
+        }
         rcu_read_unlock();
 }
 
@@ -3962,8 +3964,16 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
         /* prep auth_data so we don't go into idle on disassoc */
         ifmgd->auth_data = auth_data;
 
-        if (ifmgd->associated)
-                ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
+        if (ifmgd->associated) {
+                u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
+
+                ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
+                                       WLAN_REASON_UNSPECIFIED,
+                                       false, frame_buf);
+
+                __cfg80211_send_deauth(sdata->dev, frame_buf,
+                                       sizeof(frame_buf));
+        }
 
         sdata_info(sdata, "authenticate with %pM\n", req->bss->bssid);
 
@@ -4023,8 +4033,16 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 
         mutex_lock(&ifmgd->mtx);
 
-        if (ifmgd->associated)
-                ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
+        if (ifmgd->associated) {
+                u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
+
+                ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
+                                       WLAN_REASON_UNSPECIFIED,
+                                       false, frame_buf);
+
+                __cfg80211_send_deauth(sdata->dev, frame_buf,
+                                       sizeof(frame_buf));
+        }
 
         if (ifmgd->auth_data && !ifmgd->auth_data->done) {
                 err = -EBUSY;
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index cc79b4a2e821..430bd254e496 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -297,10 +297,13 @@ void ieee80211_start_next_roc(struct ieee80211_local *local)
         }
 }
 
-void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc)
+void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free)
 {
         struct ieee80211_roc_work *dep, *tmp;
 
+        if (WARN_ON(roc->to_be_freed))
+                return;
+
         /* was never transmitted */
         if (roc->frame) {
                 cfg80211_mgmt_tx_status(&roc->sdata->wdev,
@@ -316,9 +319,12 @@ void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc)
                                                    GFP_KERNEL);
 
         list_for_each_entry_safe(dep, tmp, &roc->dependents, list)
-                ieee80211_roc_notify_destroy(dep);
+                ieee80211_roc_notify_destroy(dep, true);
 
-        kfree(roc);
+        if (free)
+                kfree(roc);
+        else
+                roc->to_be_freed = true;
 }
 
 void ieee80211_sw_roc_work(struct work_struct *work)
@@ -331,6 +337,9 @@ void ieee80211_sw_roc_work(struct work_struct *work)
 
         mutex_lock(&local->mtx);
 
+        if (roc->to_be_freed)
+                goto out_unlock;
+
         if (roc->abort)
                 goto finish;
 
@@ -370,7 +379,7 @@ void ieee80211_sw_roc_work(struct work_struct *work)
  finish:
                 list_del(&roc->list);
                 started = roc->started;
-                ieee80211_roc_notify_destroy(roc);
+                ieee80211_roc_notify_destroy(roc, !roc->abort);
 
                 if (started) {
                         drv_flush(local, false);
@@ -410,7 +419,7 @@ static void ieee80211_hw_roc_done(struct work_struct *work)
 
         list_del(&roc->list);
 
-        ieee80211_roc_notify_destroy(roc);
+        ieee80211_roc_notify_destroy(roc, true);
 
         /* if there's another roc, start it now */
         ieee80211_start_next_roc(local);
@@ -460,12 +469,14 @@ void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata)
         list_for_each_entry_safe(roc, tmp, &tmp_list, list) {
                 if (local->ops->remain_on_channel) {
                         list_del(&roc->list);
-                        ieee80211_roc_notify_destroy(roc);
+                        ieee80211_roc_notify_destroy(roc, true);
                 } else {
                         ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
 
                         /* work will clean up etc */
                         flush_delayed_work(&roc->work);
+                        WARN_ON(!roc->to_be_freed);
+                        kfree(roc);
                 }
         }
 
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index bb73ed2d20b9..c6844ad080be 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2675,7 +2675,19 @@ ieee80211_rx_h_action_return(struct ieee80211_rx_data *rx)
 
                 memset(nskb->cb, 0, sizeof(nskb->cb));
 
-                ieee80211_tx_skb(rx->sdata, nskb);
+                if (rx->sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) {
+                        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(nskb);
+
+                        info->flags = IEEE80211_TX_CTL_TX_OFFCHAN |
+                                      IEEE80211_TX_INTFL_OFFCHAN_TX_OK |
+                                      IEEE80211_TX_CTL_NO_CCK_RATE;
+                        if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
+                                info->hw_queue =
+                                        local->hw.offchannel_tx_hw_queue;
+                }
+
+                __ieee80211_tx_skb_tid_band(rx->sdata, nskb, 7,
+                                            status->band);
         }
         dev_kfree_skb(rx->skb);
         return RX_QUEUED;
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index a79ce820cb50..238a0cca320e 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -766,6 +766,7 @@ int __must_check __sta_info_destroy(struct sta_info *sta)
         struct ieee80211_local *local;
         struct ieee80211_sub_if_data *sdata;
         int ret, i;
+        bool have_key = false;
 
         might_sleep();
 
@@ -793,12 +794,19 @@ int __must_check __sta_info_destroy(struct sta_info *sta)
         list_del_rcu(&sta->list);
 
         mutex_lock(&local->key_mtx);
-        for (i = 0; i < NUM_DEFAULT_KEYS; i++)
+        for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
                 __ieee80211_key_free(key_mtx_dereference(local, sta->gtk[i]));
-        if (sta->ptk)
+                have_key = true;
+        }
+        if (sta->ptk) {
                 __ieee80211_key_free(key_mtx_dereference(local, sta->ptk));
+                have_key = true;
+        }
         mutex_unlock(&local->key_mtx);
 
+        if (!have_key)
+                synchronize_net();
+
         sta->dead = true;
 
         local->num_sta--;
diff --git a/net/netfilter/ipset/ip_set_bitmap_ipmac.c b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
index 0f92dc24cb89..d7df6ac2c6f1 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ipmac.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
@@ -339,7 +339,11 @@ bitmap_ipmac_tlist(const struct ip_set *set,
 nla_put_failure:
         nla_nest_cancel(skb, nested);
         ipset_nest_end(skb, atd);
-        return -EMSGSIZE;
+        if (unlikely(id == first)) {
+                cb->args[2] = 0;
+                return -EMSGSIZE;
+        }
+        return 0;
 }
 
 static int
diff --git a/net/netfilter/ipset/ip_set_hash_ipportnet.c b/net/netfilter/ipset/ip_set_hash_ipportnet.c
index f2627226a087..10a30b4fc7db 100644
--- a/net/netfilter/ipset/ip_set_hash_ipportnet.c
+++ b/net/netfilter/ipset/ip_set_hash_ipportnet.c
@@ -104,6 +104,15 @@ hash_ipportnet4_data_flags(struct hash_ipportnet4_elem *dst, u32 flags)
         dst->nomatch = !!(flags & IPSET_FLAG_NOMATCH);
 }
 
+static inline void
+hash_ipportnet4_data_reset_flags(struct hash_ipportnet4_elem *dst, u32 *flags)
+{
+        if (dst->nomatch) {
+                *flags = IPSET_FLAG_NOMATCH;
+                dst->nomatch = 0;
+        }
+}
+
 static inline int
 hash_ipportnet4_data_match(const struct hash_ipportnet4_elem *elem)
 {
@@ -414,6 +423,15 @@ hash_ipportnet6_data_flags(struct hash_ipportnet6_elem *dst, u32 flags)
         dst->nomatch = !!(flags & IPSET_FLAG_NOMATCH);
 }
 
+static inline void
+hash_ipportnet6_data_reset_flags(struct hash_ipportnet6_elem *dst, u32 *flags)
+{
+        if (dst->nomatch) {
+                *flags = IPSET_FLAG_NOMATCH;
+                dst->nomatch = 0;
+        }
+}
+
 static inline int
 hash_ipportnet6_data_match(const struct hash_ipportnet6_elem *elem)
 {
diff --git a/net/netfilter/ipset/ip_set_hash_net.c b/net/netfilter/ipset/ip_set_hash_net.c
index 4b677cf6bf7d..d6a59154d710 100644
--- a/net/netfilter/ipset/ip_set_hash_net.c
+++ b/net/netfilter/ipset/ip_set_hash_net.c
@@ -87,7 +87,16 @@ hash_net4_data_copy(struct hash_net4_elem *dst,
 static inline void
 hash_net4_data_flags(struct hash_net4_elem *dst, u32 flags)
 {
-        dst->nomatch = flags & IPSET_FLAG_NOMATCH;
+        dst->nomatch = !!(flags & IPSET_FLAG_NOMATCH);
+}
+
+static inline void
+hash_net4_data_reset_flags(struct hash_net4_elem *dst, u32 *flags)
+{
+        if (dst->nomatch) {
+                *flags = IPSET_FLAG_NOMATCH;
+                dst->nomatch = 0;
+        }
 }
 
 static inline int
@@ -308,7 +317,16 @@ hash_net6_data_copy(struct hash_net6_elem *dst,
 static inline void
 hash_net6_data_flags(struct hash_net6_elem *dst, u32 flags)
 {
-        dst->nomatch = flags & IPSET_FLAG_NOMATCH;
+        dst->nomatch = !!(flags & IPSET_FLAG_NOMATCH);
+}
+
+static inline void
+hash_net6_data_reset_flags(struct hash_net6_elem *dst, u32 *flags)
+{
+        if (dst->nomatch) {
+                *flags = IPSET_FLAG_NOMATCH;
+                dst->nomatch = 0;
+        }
 }
 
 static inline int
diff --git a/net/netfilter/ipset/ip_set_hash_netiface.c b/net/netfilter/ipset/ip_set_hash_netiface.c
index 6ba985f1c96f..f2b0a3c30130 100644
--- a/net/netfilter/ipset/ip_set_hash_netiface.c
+++ b/net/netfilter/ipset/ip_set_hash_netiface.c
@@ -198,7 +198,16 @@ hash_netiface4_data_copy(struct hash_netiface4_elem *dst,
 static inline void
 hash_netiface4_data_flags(struct hash_netiface4_elem *dst, u32 flags)
 {
-        dst->nomatch = flags & IPSET_FLAG_NOMATCH;
+        dst->nomatch = !!(flags & IPSET_FLAG_NOMATCH);
+}
+
+static inline void
+hash_netiface4_data_reset_flags(struct hash_netiface4_elem *dst, u32 *flags)
+{
+        if (dst->nomatch) {
+                *flags = IPSET_FLAG_NOMATCH;
+                dst->nomatch = 0;
+        }
 }
 
 static inline int
@@ -494,7 +503,7 @@ hash_netiface6_data_copy(struct hash_netiface6_elem *dst,
 static inline void
 hash_netiface6_data_flags(struct hash_netiface6_elem *dst, u32 flags)
 {
-        dst->nomatch = flags & IPSET_FLAG_NOMATCH;
+        dst->nomatch = !!(flags & IPSET_FLAG_NOMATCH);
 }
 
 static inline int
@@ -504,6 +513,15 @@ hash_netiface6_data_match(const struct hash_netiface6_elem *elem)
 }
 
 static inline void
+hash_netiface6_data_reset_flags(struct hash_netiface6_elem *dst, u32 *flags)
+{
+        if (dst->nomatch) {
+                *flags = IPSET_FLAG_NOMATCH;
+                dst->nomatch = 0;
+        }
+}
+
+static inline void
 hash_netiface6_data_zero_out(struct hash_netiface6_elem *elem)
 {
         elem->elem = 0;
diff --git a/net/netfilter/ipset/ip_set_hash_netport.c b/net/netfilter/ipset/ip_set_hash_netport.c
index af20c0c5ced2..349deb672a2d 100644
--- a/net/netfilter/ipset/ip_set_hash_netport.c
+++ b/net/netfilter/ipset/ip_set_hash_netport.c
@@ -104,6 +104,15 @@ hash_netport4_data_flags(struct hash_netport4_elem *dst, u32 flags)
         dst->nomatch = !!(flags & IPSET_FLAG_NOMATCH);
 }
 
+static inline void
+hash_netport4_data_reset_flags(struct hash_netport4_elem *dst, u32 *flags)
+{
+        if (dst->nomatch) {
+                *flags = IPSET_FLAG_NOMATCH;
+                dst->nomatch = 0;
+        }
+}
+
 static inline int
 hash_netport4_data_match(const struct hash_netport4_elem *elem)
 {
@@ -375,6 +384,15 @@ hash_netport6_data_flags(struct hash_netport6_elem *dst, u32 flags)
         dst->nomatch = !!(flags & IPSET_FLAG_NOMATCH);
 }
 
+static inline void
+hash_netport6_data_reset_flags(struct hash_netport6_elem *dst, u32 *flags)
+{
+        if (dst->nomatch) {
+                *flags = IPSET_FLAG_NOMATCH;
+                dst->nomatch = 0;
+        }
+}
+
 static inline int
 hash_netport6_data_match(const struct hash_netport6_elem *elem)
 {
diff --git a/net/netfilter/ipset/ip_set_list_set.c b/net/netfilter/ipset/ip_set_list_set.c
index 8371c2bac2e4..09c744aa8982 100644
--- a/net/netfilter/ipset/ip_set_list_set.c
+++ b/net/netfilter/ipset/ip_set_list_set.c
@@ -174,9 +174,13 @@ list_set_add(struct list_set *map, u32 i, ip_set_id_t id,
 {
         const struct set_elem *e = list_set_elem(map, i);
 
-        if (i == map->size - 1 && e->id != IPSET_INVALID_ID)
-                /* Last element replaced: e.g. add new,before,last */
-                ip_set_put_byindex(e->id);
+        if (e->id != IPSET_INVALID_ID) {
+                const struct set_elem *x = list_set_elem(map, map->size - 1);
+
+                /* Last element replaced or pushed off */
+                if (x->id != IPSET_INVALID_ID)
+                        ip_set_put_byindex(x->id);
+        }
         if (with_timeout(map->timeout))
                 list_elem_tadd(map, i, id, ip_set_timeout_set(timeout));
         else
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index 0e7d423324c3..e0c4373b4747 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -1593,10 +1593,8 @@ static int sip_help_tcp(struct sk_buff *skb, unsigned int protoff,
                 end += strlen("\r\n\r\n") + clen;
 
                 msglen = origlen = end - dptr;
-                if (msglen > datalen) {
-                        nf_ct_helper_log(skb, ct, "incomplete/bad SIP message");
-                        return NF_DROP;
-                }
+                if (msglen > datalen)
+                        return NF_ACCEPT;
 
                 ret = process_sip_msg(skb, ct, protoff, dataoff,
                                       &dptr, &msglen);
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index 6bcce401fd1c..fedee3943661 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -568,6 +568,7 @@ static int __init nf_conntrack_standalone_init(void)
                 register_net_sysctl(&init_net, "net", nf_ct_netfilter_table);
         if (!nf_ct_netfilter_header) {
                 pr_err("nf_conntrack: can't register to sysctl.\n");
+                ret = -ENOMEM;
                 goto out_sysctl;
         }
 #endif
diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index 8d5769c6d16e..ad24be070e53 100644
--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -467,33 +467,22 @@ EXPORT_SYMBOL_GPL(nf_nat_packet);
 struct nf_nat_proto_clean {
         u8      l3proto;
         u8      l4proto;
-        bool    hash;
 };
 
-/* Clear NAT section of all conntracks, in case we're loaded again. */
-static int nf_nat_proto_clean(struct nf_conn *i, void *data)
+/* kill conntracks with affected NAT section */
+static int nf_nat_proto_remove(struct nf_conn *i, void *data)
 {
         const struct nf_nat_proto_clean *clean = data;
         struct nf_conn_nat *nat = nfct_nat(i);
 
         if (!nat)
                 return 0;
-        if (!(i->status & IPS_SRC_NAT_DONE))
-                return 0;
+
         if ((clean->l3proto && nf_ct_l3num(i) != clean->l3proto) ||
             (clean->l4proto && nf_ct_protonum(i) != clean->l4proto))
                 return 0;
 
-        if (clean->hash) {
-                spin_lock_bh(&nf_nat_lock);
-                hlist_del_rcu(&nat->bysource);
-                spin_unlock_bh(&nf_nat_lock);
-        } else {
-                memset(nat, 0, sizeof(*nat));
-                i->status &= ~(IPS_NAT_MASK | IPS_NAT_DONE_MASK |
-                               IPS_SEQ_ADJUST);
-        }
-        return 0;
+        return i->status & IPS_NAT_MASK ? 1 : 0;
 }
 
 static void nf_nat_l4proto_clean(u8 l3proto, u8 l4proto)
@@ -505,16 +494,8 @@ static void nf_nat_l4proto_clean(u8 l3proto, u8 l4proto)
         struct net *net;
 
         rtnl_lock();
-        /* Step 1 - remove from bysource hash */
-        clean.hash = true;
         for_each_net(net)
-                nf_ct_iterate_cleanup(net, nf_nat_proto_clean, &clean);
-        synchronize_rcu();
-
-        /* Step 2 - clean NAT section */
-        clean.hash = false;
-        for_each_net(net)
-                nf_ct_iterate_cleanup(net, nf_nat_proto_clean, &clean);
+                nf_ct_iterate_cleanup(net, nf_nat_proto_remove, &clean);
         rtnl_unlock();
 }
 
@@ -526,16 +507,9 @@ static void nf_nat_l3proto_clean(u8 l3proto)
         struct net *net;
 
         rtnl_lock();
-        /* Step 1 - remove from bysource hash */
-        clean.hash = true;
-        for_each_net(net)
-                nf_ct_iterate_cleanup(net, nf_nat_proto_clean, &clean);
-        synchronize_rcu();
 
-        /* Step 2 - clean NAT section */
-        clean.hash = false;
         for_each_net(net)
-                nf_ct_iterate_cleanup(net, nf_nat_proto_clean, &clean);
+                nf_ct_iterate_cleanup(net, nf_nat_proto_remove, &clean);
         rtnl_unlock();
 }
 
@@ -773,7 +747,7 @@ static void __net_exit nf_nat_net_exit(struct net *net)
 {
         struct nf_nat_proto_clean clean = {};
 
-        nf_ct_iterate_cleanup(net, &nf_nat_proto_clean, &clean);
+        nf_ct_iterate_cleanup(net, &nf_nat_proto_remove, &clean);
         synchronize_rcu();
         nf_ct_free_hashtable(net->ct.nat_bysource, net->ct.nat_htable_size);
 }
diff --git a/net/netfilter/nfnetlink_acct.c b/net/netfilter/nfnetlink_acct.c
index 589d686f0b4c..dc3fd5d44464 100644
--- a/net/netfilter/nfnetlink_acct.c
+++ b/net/netfilter/nfnetlink_acct.c
@@ -49,6 +49,8 @@ nfnl_acct_new(struct sock *nfnl, struct sk_buff *skb,
                 return -EINVAL;
 
         acct_name = nla_data(tb[NFACCT_NAME]);
+        if (strlen(acct_name) == 0)
+                return -EINVAL;
 
         list_for_each_entry(nfacct, &nfnl_acct_list, head) {
                 if (strncmp(nfacct->name, acct_name, NFACCT_NAME_MAX) != 0)
diff --git a/net/netfilter/nfnetlink_queue_core.c b/net/netfilter/nfnetlink_queue_core.c
index 1cb48540f86a..42680b2baa11 100644
--- a/net/netfilter/nfnetlink_queue_core.c
+++ b/net/netfilter/nfnetlink_queue_core.c
@@ -1062,8 +1062,10 @@ static int __init nfnetlink_queue_init(void)
 
 #ifdef CONFIG_PROC_FS
         if (!proc_create("nfnetlink_queue", 0440,
-                         proc_net_netfilter, &nfqnl_file_ops))
+                         proc_net_netfilter, &nfqnl_file_ops)) {
+                status = -ENOMEM;
                 goto cleanup_subsys;
+        }
 #endif
 
         register_netdevice_notifier(&nfqnl_dev_notifier);
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index d1fa1d9ffd2e..103bd704b5fc 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1173,6 +1173,7 @@ static int nr_recvmsg(struct kiocb *iocb, struct socket *sock,
         }
 
         if (sax != NULL) {
+                memset(sax, 0, sizeof(*sax));
                 sax->sax25_family = AF_NETROM;
                 skb_copy_from_linear_data_offset(skb, 7, sax->sax25_call.ax25_call,
                               AX25_ADDR_LEN);
diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c
index b530afadd76c..ee25f25f0cd6 100644
--- a/net/nfc/llcp/llcp.c
+++ b/net/nfc/llcp/llcp.c
@@ -107,8 +107,6 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen,
                                 accept_sk->sk_state_change(sk);
 
                                 bh_unlock_sock(accept_sk);
-
-                                sock_orphan(accept_sk);
                         }
 
                         if (listen == true) {
@@ -134,8 +132,6 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen,
 
                 bh_unlock_sock(sk);
 
-                sock_orphan(sk);
-
                 sk_del_node_init(sk);
         }
 
@@ -164,8 +160,6 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen,
 
                 bh_unlock_sock(sk);
 
-                sock_orphan(sk);
-
                 sk_del_node_init(sk);
         }
 
@@ -827,7 +821,6 @@ static void nfc_llcp_recv_ui(struct nfc_llcp_local *local,
                 skb_get(skb);
         } else {
                 pr_err("Receive queue is full\n");
-                kfree_skb(skb);
         }
 
         nfc_llcp_sock_put(llcp_sock);
@@ -1028,7 +1021,6 @@ static void nfc_llcp_recv_hdlc(struct nfc_llcp_local *local,
                         skb_get(skb);
                 } else {
                         pr_err("Receive queue is full\n");
-                        kfree_skb(skb);
                 }
         }
 
diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c
index 5c7cdf3f2a83..6c94447ec414 100644
--- a/net/nfc/llcp/sock.c
+++ b/net/nfc/llcp/sock.c
@@ -270,7 +270,9 @@ struct sock *nfc_llcp_accept_dequeue(struct sock *parent,
                 }
 
                 if (sk->sk_state == LLCP_CONNECTED || !newsock) {
-                        nfc_llcp_accept_unlink(sk);
+                        list_del_init(&lsk->accept_queue);
+                        sock_put(sk);
+
                         if (newsock)
                                 sock_graft(sk, newsock);
 
@@ -464,8 +466,6 @@ static int llcp_sock_release(struct socket *sock)
                         nfc_llcp_accept_unlink(accept_sk);
 
                         release_sock(accept_sk);
-
-                        sock_orphan(accept_sk);
                 }
         }
 
@@ -646,6 +646,8 @@ static int llcp_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
 
         pr_debug("%p %zu\n", sk, len);
 
+        msg->msg_namelen = 0;
+
         lock_sock(sk);
 
         if (sk->sk_state == LLCP_CLOSED &&
@@ -691,6 +693,7 @@ static int llcp_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
 
                 pr_debug("Datagram socket %d %d\n", ui_cb->dsap, ui_cb->ssap);
 
+                memset(sockaddr, 0, sizeof(*sockaddr));
                 sockaddr->sa_family = AF_NFC;
                 sockaddr->nfc_protocol = NFC_PROTO_NFC_DEP;
                 sockaddr->dsap = ui_cb->dsap;
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index a4b724708a1a..6980c3e6f066 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -1593,10 +1593,8 @@ struct sk_buff *ovs_vport_cmd_build_info(struct vport *vport, u32 portid,
                 return ERR_PTR(-ENOMEM);
 
         retval = ovs_vport_cmd_fill_info(vport, skb, portid, seq, 0, cmd);
-        if (retval < 0) {
-                kfree_skb(skb);
-                return ERR_PTR(retval);
-        }
+        BUG_ON(retval < 0);
+
         return skb;
 }
 
@@ -1726,24 +1724,32 @@ static int ovs_vport_cmd_set(struct sk_buff *skb, struct genl_info *info)
             nla_get_u32(a[OVS_VPORT_ATTR_TYPE]) != vport->ops->type)
                 err = -EINVAL;
 
+        reply = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+        if (!reply) {
+                err = -ENOMEM;
+                goto exit_unlock;
+        }
+
         if (!err && a[OVS_VPORT_ATTR_OPTIONS])
                 err = ovs_vport_set_options(vport, a[OVS_VPORT_ATTR_OPTIONS]);
         if (err)
-                goto exit_unlock;
+                goto exit_free;
+
         if (a[OVS_VPORT_ATTR_UPCALL_PID])
                 vport->upcall_portid = nla_get_u32(a[OVS_VPORT_ATTR_UPCALL_PID]);
 
-        reply = ovs_vport_cmd_build_info(vport, info->snd_portid, info->snd_seq,
-                                         OVS_VPORT_CMD_NEW);
-        if (IS_ERR(reply)) {
-                netlink_set_err(sock_net(skb->sk)->genl_sock, 0,
-                                ovs_dp_vport_multicast_group.id, PTR_ERR(reply));
-                goto exit_unlock;
-        }
+        err = ovs_vport_cmd_fill_info(vport, reply, info->snd_portid,
+                                      info->snd_seq, 0, OVS_VPORT_CMD_NEW);
+        BUG_ON(err < 0);
 
         genl_notify(reply, genl_info_net(info), info->snd_portid,
                     ovs_dp_vport_multicast_group.id, info->nlhdr, GFP_KERNEL);
 
+        rtnl_unlock();
+        return 0;
+
+exit_free:
+        kfree_skb(reply);
 exit_unlock:
         rtnl_unlock();
         return err;
diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c
index fe0e4215c73d..67a2b783fe70 100644
--- a/net/openvswitch/flow.c
+++ b/net/openvswitch/flow.c
@@ -795,9 +795,9 @@ void ovs_flow_tbl_insert(struct flow_table *table, struct sw_flow *flow)
 
 void ovs_flow_tbl_remove(struct flow_table *table, struct sw_flow *flow)
 {
+        BUG_ON(table->count == 0);
         hlist_del_rcu(&flow->hash_node[table->node_ver]);
         table->count--;
-        BUG_ON(table->count < 0);
 }
 
 /* The size of the argument for each %OVS_KEY_ATTR_* Netlink attribute.  */
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index cf68e6e4054a..9c8347451597 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1253,6 +1253,7 @@ static int rose_recvmsg(struct kiocb *iocb, struct socket *sock,
         skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
 
         if (srose != NULL) {
+                memset(srose, 0, msg->msg_namelen);
                 srose->srose_family = AF_ROSE;
                 srose->srose_addr   = rose->dest_addr;
                 srose->srose_call   = rose->dest_call;
diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c
index 1135d8227f9b..9b97172db84a 100644
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -204,7 +204,6 @@ fw_change_attrs(struct net *net, struct tcf_proto *tp, struct fw_filter *f,
         if (err < 0)
                 return err;
 
-        err = -EINVAL;
         if (tb[TCA_FW_CLASSID]) {
                 f->res.classid = nla_get_u32(tb[TCA_FW_CLASSID]);
                 tcf_bind_filter(tp, &f->res, base);
@@ -218,6 +217,7 @@ fw_change_attrs(struct net *net, struct tcf_proto *tp, struct fw_filter *f,
         }
 #endif /* CONFIG_NET_CLS_IND */
 
+        err = -EINVAL;
         if (tb[TCA_FW_MASK]) {
                 mask = nla_get_u32(tb[TCA_FW_MASK]);
                 if (mask != head->mask)
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index 13aa47aa2ffb..1bc210ffcba2 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -962,8 +962,11 @@ cbq_dequeue(struct Qdisc *sch)
                 cbq_update(q);
                 if ((incr -= incr2) < 0)
                         incr = 0;
+                q->now += incr;
+        } else {
+                if (now > q->now)
+                        q->now = now;
         }
-        q->now += incr;
         q->now_rt = now;
 
         for (;;) {
diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c
index 4e606fcb2534..55786283a3df 100644
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -195,7 +195,7 @@ static int fq_codel_enqueue(struct sk_buff *skb, struct Qdisc *sch)
                 flow->deficit = q->quantum;
                 flow->dropped = 0;
         }
-        if (++sch->q.qlen < sch->limit)
+        if (++sch->q.qlen <= sch->limit)
                 return NET_XMIT_SUCCESS;
 
         q->drop_overlimit++;
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index ffad48109a22..eac7e0ee23c1 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -904,7 +904,7 @@ void psched_ratecfg_precompute(struct psched_ratecfg *r, u32 rate)
         u64 mult;
         int shift;
 
-        r->rate_bps = rate << 3;
+        r->rate_bps = (u64)rate << 3;
         r->shift = 0;
         r->mult = 1;
         /*
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index dcc446e7fbf6..d5f35f15af98 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -304,10 +304,8 @@ static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args, stru
         err = rpciod_up();
         if (err)
                 goto out_no_rpciod;
-        err = -EINVAL;
-        if (!xprt)
-                goto out_no_xprt;
 
+        err = -EINVAL;
         if (args->version >= program->nrvers)
                 goto out_err;
         version = program->version[args->version];
@@ -382,10 +380,9 @@ out_no_principal:
 out_no_stats:
         kfree(clnt);
 out_err:
-        xprt_put(xprt);
-out_no_xprt:
         rpciod_down();
 out_no_rpciod:
+        xprt_put(xprt);
         return ERR_PTR(err);
 }
 
@@ -512,7 +509,7 @@ static struct rpc_clnt *__rpc_clone_client(struct rpc_create_args *args,
         new = rpc_new_client(args, xprt);
         if (IS_ERR(new)) {
                 err = PTR_ERR(new);
-                goto out_put;
+                goto out_err;
         }
 
         atomic_inc(&clnt->cl_count);
@@ -525,8 +522,6 @@ static struct rpc_clnt *__rpc_clone_client(struct rpc_create_args *args,
         new->cl_chatty = clnt->cl_chatty;
         return new;
 
-out_put:
-        xprt_put(xprt);
 out_err:
         dprintk("RPC:       %s: returned error %d\n", __func__, err);
         return ERR_PTR(err);
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index a9622b6cd916..515ce38e4f4c 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -790,6 +790,7 @@ static void set_orig_addr(struct msghdr *m, struct tipc_msg *msg)
         if (addr) {
                 addr->family = AF_TIPC;
                 addr->addrtype = TIPC_ADDR_ID;
+                memset(&addr->addr, 0, sizeof(addr->addr));
                 addr->addr.id.ref = msg_origport(msg);
                 addr->addr.id.node = msg_orignode(msg);
                 addr->addr.name.domain = 0;     /* could leave uninitialized */
@@ -904,6 +905,9 @@ static int recv_msg(struct kiocb *iocb, struct socket *sock,
                 goto exit;
         }
 
+        /* will be updated in set_orig_addr() if needed */
+        m->msg_namelen = 0;
+
         timeout = sock_rcvtimeo(sk, flags & MSG_DONTWAIT);
 restart:
 
@@ -1013,6 +1017,9 @@ static int recv_stream(struct kiocb *iocb, struct socket *sock,
                 goto exit;
         }
 
+        /* will be updated in set_orig_addr() if needed */
+        m->msg_namelen = 0;
+
         target = sock_rcvlowat(sk, flags & MSG_WAITALL, buf_len);
         timeout = sock_rcvtimeo(sk, flags & MSG_DONTWAIT);
 
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 971282b6f6a3..2db702d82e7d 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1412,8 +1412,8 @@ static void maybe_add_creds(struct sk_buff *skb, const struct socket *sock,
         if (UNIXCB(skb).cred)
                 return;
         if (test_bit(SOCK_PASSCRED, &sock->flags) ||
-            (other->sk_socket &&
-            test_bit(SOCK_PASSCRED, &other->sk_socket->flags))) {
+            !other->sk_socket ||
+            test_bit(SOCK_PASSCRED, &other->sk_socket->flags)) {
                 UNIXCB(skb).pid  = get_pid(task_tgid(current));
                 UNIXCB(skb).cred = get_current_cred();
         }
@@ -1993,7 +1993,7 @@ again:
                         if ((UNIXCB(skb).pid  != siocb->scm->pid) ||
                             (UNIXCB(skb).cred != siocb->scm->cred))
                                 break;
-                } else {
+                } else if (test_bit(SOCK_PASSCRED, &sock->flags)) {
                         /* Copy credentials */
                         scm_set_cred(siocb->scm, UNIXCB(skb).pid, UNIXCB(skb).cred);
                         check_creds = 1;
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index ca511c4f388a..7f93e2a42d7a 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -207,7 +207,7 @@ static struct sock *__vsock_find_bound_socket(struct sockaddr_vm *addr)
         struct vsock_sock *vsk;
 
         list_for_each_entry(vsk, vsock_bound_sockets(addr), bound_table)
-                if (vsock_addr_equals_addr_any(addr, &vsk->local_addr))
+                if (addr->svm_port == vsk->local_addr.svm_port)
                         return sk_vsock(vsk);
 
         return NULL;
@@ -220,8 +220,8 @@ static struct sock *__vsock_find_connected_socket(struct sockaddr_vm *src,
 
         list_for_each_entry(vsk, vsock_connected_sockets(src, dst),
                             connected_table) {
-                if (vsock_addr_equals_addr(src, &vsk->remote_addr)
-                    && vsock_addr_equals_addr(dst, &vsk->local_addr)) {
+                if (vsock_addr_equals_addr(src, &vsk->remote_addr) &&
+                    dst->svm_port == vsk->local_addr.svm_port) {
                         return sk_vsock(vsk);
                 }
         }
@@ -1670,6 +1670,8 @@ vsock_stream_recvmsg(struct kiocb *kiocb,
         vsk = vsock_sk(sk);
         err = 0;
 
+        msg->msg_namelen = 0;
+
         lock_sock(sk);
 
         if (sk->sk_state != SS_CONNECTED) {
diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c
index a70ace83a153..5e04d3d96285 100644
--- a/net/vmw_vsock/vmci_transport.c
+++ b/net/vmw_vsock/vmci_transport.c
@@ -464,19 +464,16 @@ static struct sock *vmci_transport_get_pending(
         struct vsock_sock *vlistener;
         struct vsock_sock *vpending;
         struct sock *pending;
+        struct sockaddr_vm src;
+
+        vsock_addr_init(&src, pkt->dg.src.context, pkt->src_port);
 
         vlistener = vsock_sk(listener);
 
         list_for_each_entry(vpending, &vlistener->pending_links,
                             pending_links) {
-                struct sockaddr_vm src;
-                struct sockaddr_vm dst;
-
-                vsock_addr_init(&src, pkt->dg.src.context, pkt->src_port);
-                vsock_addr_init(&dst, pkt->dg.dst.context, pkt->dst_port);
-
                 if (vsock_addr_equals_addr(&src, &vpending->remote_addr) &&
-                    vsock_addr_equals_addr(&dst, &vpending->local_addr)) {
+                    pkt->dst_port == vpending->local_addr.svm_port) {
                         pending = sk_vsock(vpending);
                         sock_hold(pending);
                         goto found;
@@ -739,10 +736,15 @@ static int vmci_transport_recv_stream_cb(void *data, struct vmci_datagram *dg)
          */
         bh_lock_sock(sk);
 
-        if (!sock_owned_by_user(sk) && sk->sk_state == SS_CONNECTED)
-                vmci_trans(vsk)->notify_ops->handle_notify_pkt(
-                                sk, pkt, true, &dst, &src,
-                                &bh_process_pkt);
+        if (!sock_owned_by_user(sk)) {
+                /* The local context ID may be out of date, update it. */
+                vsk->local_addr.svm_cid = dst.svm_cid;
+
+                if (sk->sk_state == SS_CONNECTED)
+                        vmci_trans(vsk)->notify_ops->handle_notify_pkt(
+                                        sk, pkt, true, &dst, &src,
+                                        &bh_process_pkt);
+        }
 
         bh_unlock_sock(sk);
 
@@ -902,6 +904,9 @@ static void vmci_transport_recv_pkt_work(struct work_struct *work)
 
         lock_sock(sk);
 
+        /* The local context ID may be out of date. */
+        vsock_sk(sk)->local_addr.svm_cid = pkt->dg.dst.context;
+
         switch (sk->sk_state) {
         case SS_LISTEN:
                 vmci_transport_recv_listen(sk, pkt);
@@ -958,6 +963,10 @@ static int vmci_transport_recv_listen(struct sock *sk,
         pending = vmci_transport_get_pending(sk, pkt);
         if (pending) {
                 lock_sock(pending);
+
+                /* The local context ID may be out of date. */
+                vsock_sk(pending)->local_addr.svm_cid = pkt->dg.dst.context;
+
                 switch (pending->sk_state) {
                 case SS_CONNECTING:
                         err = vmci_transport_recv_connecting_server(sk,
@@ -1727,6 +1736,8 @@ static int vmci_transport_dgram_dequeue(struct kiocb *kiocb,
         if (flags & MSG_OOB || flags & MSG_ERRQUEUE)
                 return -EOPNOTSUPP;
 
+        msg->msg_namelen = 0;
+
         /* Retrieve the head sk_buff from the socket's receive queue. */
         err = 0;
         skb = skb_recv_datagram(&vsk->sk, flags, noblock, &err);
@@ -1759,7 +1770,6 @@ static int vmci_transport_dgram_dequeue(struct kiocb *kiocb,
         if (err)
                 goto out;
 
-        msg->msg_namelen = 0;
         if (msg->msg_name) {
                 struct sockaddr_vm *vm_addr;
 
diff --git a/net/vmw_vsock/vsock_addr.c b/net/vmw_vsock/vsock_addr.c
index b7df1aea7c59..ec2611b4ea0e 100644
--- a/net/vmw_vsock/vsock_addr.c
+++ b/net/vmw_vsock/vsock_addr.c
@@ -64,16 +64,6 @@ bool vsock_addr_equals_addr(const struct sockaddr_vm *addr,
 }
 EXPORT_SYMBOL_GPL(vsock_addr_equals_addr);
 
-bool vsock_addr_equals_addr_any(const struct sockaddr_vm *addr,
-                                const struct sockaddr_vm *other)
-{
-        return (addr->svm_cid == VMADDR_CID_ANY ||
-                other->svm_cid == VMADDR_CID_ANY ||
-                addr->svm_cid == other->svm_cid) &&
-               addr->svm_port == other->svm_port;
-}
-EXPORT_SYMBOL_GPL(vsock_addr_equals_addr_any);
-
 int vsock_addr_cast(const struct sockaddr *addr,
                     size_t len, struct sockaddr_vm **out_addr)
 {
diff --git a/net/vmw_vsock/vsock_addr.h b/net/vmw_vsock/vsock_addr.h
index cdfbcefdf843..9ccd5316eac0 100644
--- a/net/vmw_vsock/vsock_addr.h
+++ b/net/vmw_vsock/vsock_addr.h
@@ -24,8 +24,6 @@ bool vsock_addr_bound(const struct sockaddr_vm *addr);
 void vsock_addr_unbind(struct sockaddr_vm *addr);
 bool vsock_addr_equals_addr(const struct sockaddr_vm *addr,
                             const struct sockaddr_vm *other);
-bool vsock_addr_equals_addr_any(const struct sockaddr_vm *addr,
-                                const struct sockaddr_vm *other);
 int vsock_addr_cast(const struct sockaddr *addr, size_t len,
                     struct sockaddr_vm **out_addr);
 
diff --git a/net/wireless/core.c b/net/wireless/core.c
index ea4155fe9733..6ddf74f0ae1e 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -212,6 +212,39 @@ static void cfg80211_rfkill_poll(struct rfkill *rfkill, void *data)
         rdev_rfkill_poll(rdev);
 }
 
+void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
+                              struct wireless_dev *wdev)
+{
+        lockdep_assert_held(&rdev->devlist_mtx);
+        lockdep_assert_held(&rdev->sched_scan_mtx);
+
+        if (WARN_ON(wdev->iftype != NL80211_IFTYPE_P2P_DEVICE))
+                return;
+
+        if (!wdev->p2p_started)
+                return;
+
+        rdev_stop_p2p_device(rdev, wdev);
+        wdev->p2p_started = false;
+
+        rdev->opencount--;
+
+        if (rdev->scan_req && rdev->scan_req->wdev == wdev) {
+                bool busy = work_busy(&rdev->scan_done_wk);
+
+                /*
+                 * If the work isn't pending or running (in which case it would
+                 * be waiting for the lock we hold) the driver didn't properly
+                 * cancel the scan when the interface was removed. In this case
+                 * warn and leak the scan request object to not crash later.
+                 */
+                WARN_ON(!busy);
+
+                rdev->scan_req->aborted = true;
+                ___cfg80211_scan_done(rdev, !busy);
+        }
+}
+
 static int cfg80211_rfkill_set_block(void *data, bool blocked)
 {
         struct cfg80211_registered_device *rdev = data;
@@ -221,7 +254,8 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked)
                 return 0;
 
         rtnl_lock();
-        mutex_lock(&rdev->devlist_mtx);
+
+        /* read-only iteration need not hold the devlist_mtx */
 
         list_for_each_entry(wdev, &rdev->wdev_list, list) {
                 if (wdev->netdev) {
@@ -231,18 +265,18 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked)
                 /* otherwise, check iftype */
                 switch (wdev->iftype) {
                 case NL80211_IFTYPE_P2P_DEVICE:
-                        if (!wdev->p2p_started)
-                                break;
-                        rdev_stop_p2p_device(rdev, wdev);
-                        wdev->p2p_started = false;
-                        rdev->opencount--;
+                        /* but this requires it */
+                        mutex_lock(&rdev->devlist_mtx);
+                        mutex_lock(&rdev->sched_scan_mtx);
+                        cfg80211_stop_p2p_device(rdev, wdev);
+                        mutex_unlock(&rdev->sched_scan_mtx);
+                        mutex_unlock(&rdev->devlist_mtx);
                         break;
                 default:
                         break;
                 }
         }
 
-        mutex_unlock(&rdev->devlist_mtx);
         rtnl_unlock();
 
         return 0;
@@ -745,17 +779,13 @@ static void wdev_cleanup_work(struct work_struct *work)
         wdev = container_of(work, struct wireless_dev, cleanup_work);
         rdev = wiphy_to_dev(wdev->wiphy);
 
-        cfg80211_lock_rdev(rdev);
+        mutex_lock(&rdev->sched_scan_mtx);
 
         if (WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev)) {
                 rdev->scan_req->aborted = true;
                 ___cfg80211_scan_done(rdev, true);
         }
 
-        cfg80211_unlock_rdev(rdev);
-
-        mutex_lock(&rdev->sched_scan_mtx);
-
         if (WARN_ON(rdev->sched_scan_req &&
                     rdev->sched_scan_req->dev == wdev->netdev)) {
                 __cfg80211_stop_sched_scan(rdev, false);
@@ -781,21 +811,19 @@ void cfg80211_unregister_wdev(struct wireless_dev *wdev)
                 return;
 
         mutex_lock(&rdev->devlist_mtx);
+        mutex_lock(&rdev->sched_scan_mtx);
         list_del_rcu(&wdev->list);
         rdev->devlist_generation++;
 
         switch (wdev->iftype) {
         case NL80211_IFTYPE_P2P_DEVICE:
-                if (!wdev->p2p_started)
-                        break;
-                rdev_stop_p2p_device(rdev, wdev);
-                wdev->p2p_started = false;
-                rdev->opencount--;
+                cfg80211_stop_p2p_device(rdev, wdev);
                 break;
         default:
                 WARN_ON_ONCE(1);
                 break;
         }
+        mutex_unlock(&rdev->sched_scan_mtx);
         mutex_unlock(&rdev->devlist_mtx);
 }
 EXPORT_SYMBOL(cfg80211_unregister_wdev);
@@ -936,6 +964,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
                 cfg80211_update_iface_num(rdev, wdev->iftype, 1);
                 cfg80211_lock_rdev(rdev);
                 mutex_lock(&rdev->devlist_mtx);
+                mutex_lock(&rdev->sched_scan_mtx);
                 wdev_lock(wdev);
                 switch (wdev->iftype) {
 #ifdef CONFIG_CFG80211_WEXT
@@ -967,6 +996,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
                         break;
                 }
                 wdev_unlock(wdev);
+                mutex_unlock(&rdev->sched_scan_mtx);
                 rdev->opencount++;
                 mutex_unlock(&rdev->devlist_mtx);
                 cfg80211_unlock_rdev(rdev);
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 3aec0e429d8a..5845c2b37aa8 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -503,6 +503,9 @@ int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
 void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
                                enum nl80211_iftype iftype, int num);
 
+void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
+                              struct wireless_dev *wdev);
+
 #define CFG80211_MAX_NUM_DIFFERENT_CHANNELS 10
 
 #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index d44ab216c0ec..58e13a8c95f9 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -4702,14 +4702,19 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
         if (!rdev->ops->scan)
                 return -EOPNOTSUPP;
 
-        if (rdev->scan_req)
-                return -EBUSY;
+        mutex_lock(&rdev->sched_scan_mtx);
+        if (rdev->scan_req) {
+                err = -EBUSY;
+                goto unlock;
+        }
 
         if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
                 n_channels = validate_scan_freqs(
                                 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
-                if (!n_channels)
-                        return -EINVAL;
+                if (!n_channels) {
+                        err = -EINVAL;
+                        goto unlock;
+                }
         } else {
                 enum ieee80211_band band;
                 n_channels = 0;
@@ -4723,23 +4728,29 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
                 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
                         n_ssids++;
 
-        if (n_ssids > wiphy->max_scan_ssids)
-                return -EINVAL;
+        if (n_ssids > wiphy->max_scan_ssids) {
+                err = -EINVAL;
+                goto unlock;
+        }
 
         if (info->attrs[NL80211_ATTR_IE])
                 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
         else
                 ie_len = 0;
 
-        if (ie_len > wiphy->max_scan_ie_len)
-                return -EINVAL;
+        if (ie_len > wiphy->max_scan_ie_len) {
+                err = -EINVAL;
+                goto unlock;
+        }
 
         request = kzalloc(sizeof(*request)
                         + sizeof(*request->ssids) * n_ssids
                         + sizeof(*request->channels) * n_channels
                         + ie_len, GFP_KERNEL);
-        if (!request)
-                return -ENOMEM;
+        if (!request) {
+                err = -ENOMEM;
+                goto unlock;
+        }
 
         if (n_ssids)
                 request->ssids = (void *)&request->channels[n_channels];
@@ -4876,6 +4887,8 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
                 kfree(request);
         }
 
+ unlock:
+        mutex_unlock(&rdev->sched_scan_mtx);
         return err;
 }
 
@@ -7749,20 +7762,9 @@ static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
         if (!rdev->ops->stop_p2p_device)
                 return -EOPNOTSUPP;
 
-        if (!wdev->p2p_started)
-                return 0;
-
-        rdev_stop_p2p_device(rdev, wdev);
-        wdev->p2p_started = false;
-
-        mutex_lock(&rdev->devlist_mtx);
-        rdev->opencount--;
-        mutex_unlock(&rdev->devlist_mtx);
-
-        if (WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev)) {
-                rdev->scan_req->aborted = true;
-                ___cfg80211_scan_done(rdev, true);
-        }
+        mutex_lock(&rdev->sched_scan_mtx);
+        cfg80211_stop_p2p_device(rdev, wdev);
+        mutex_unlock(&rdev->sched_scan_mtx);
 
         return 0;
 }
@@ -8486,7 +8488,7 @@ static int nl80211_add_scan_req(struct sk_buff *msg,
         struct nlattr *nest;
         int i;
 
-        ASSERT_RDEV_LOCK(rdev);
+        lockdep_assert_held(&rdev->sched_scan_mtx);
 
         if (WARN_ON(!req))
                 return 0;
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 674aadca0079..fd99ea495b7e 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -169,7 +169,7 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak)
         union iwreq_data wrqu;
 #endif
 
-        ASSERT_RDEV_LOCK(rdev);
+        lockdep_assert_held(&rdev->sched_scan_mtx);
 
         request = rdev->scan_req;
 
@@ -230,9 +230,9 @@ void __cfg80211_scan_done(struct work_struct *wk)
         rdev = container_of(wk, struct cfg80211_registered_device,
                             scan_done_wk);
 
-        cfg80211_lock_rdev(rdev);
+        mutex_lock(&rdev->sched_scan_mtx);
         ___cfg80211_scan_done(rdev, false);
-        cfg80211_unlock_rdev(rdev);
+        mutex_unlock(&rdev->sched_scan_mtx);
 }
 
 void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted)
@@ -698,11 +698,6 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
         found = rb_find_bss(dev, tmp, BSS_CMP_REGULAR);
 
         if (found) {
-                found->pub.beacon_interval = tmp->pub.beacon_interval;
-                found->pub.signal = tmp->pub.signal;
-                found->pub.capability = tmp->pub.capability;
-                found->ts = tmp->ts;
-
                 /* Update IEs */
                 if (rcu_access_pointer(tmp->pub.proberesp_ies)) {
                         const struct cfg80211_bss_ies *old;
@@ -723,6 +718,8 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
 
                         if (found->pub.hidden_beacon_bss &&
                             !list_empty(&found->hidden_list)) {
+                                const struct cfg80211_bss_ies *f;
+
                                 /*
                                  * The found BSS struct is one of the probe
                                  * response members of a group, but we're
@@ -732,6 +729,10 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
                                  * SSID to showing it, which is confusing so
                                  * drop this information.
                                  */
+
+                                f = rcu_access_pointer(tmp->pub.beacon_ies);
+                                kfree_rcu((struct cfg80211_bss_ies *)f,
+                                          rcu_head);
                                 goto drop;
                         }
 
@@ -761,6 +762,11 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
                                 kfree_rcu((struct cfg80211_bss_ies *)old,
                                           rcu_head);
                 }
+
+                found->pub.beacon_interval = tmp->pub.beacon_interval;
+                found->pub.signal = tmp->pub.signal;
+                found->pub.capability = tmp->pub.capability;
+                found->ts = tmp->ts;
         } else {
                 struct cfg80211_internal_bss *new;
                 struct cfg80211_internal_bss *hidden;
@@ -1056,6 +1062,7 @@ int cfg80211_wext_siwscan(struct net_device *dev,
         if (IS_ERR(rdev))
                 return PTR_ERR(rdev);
 
+        mutex_lock(&rdev->sched_scan_mtx);
         if (rdev->scan_req) {
                 err = -EBUSY;
                 goto out;
@@ -1162,6 +1169,7 @@ int cfg80211_wext_siwscan(struct net_device *dev,
                 dev_hold(dev);
         }
  out:
+        mutex_unlock(&rdev->sched_scan_mtx);
         kfree(creq);
         cfg80211_unlock_rdev(rdev);
         return err;
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index f432bd3755b1..482c70e70127 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -85,6 +85,7 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev)
         ASSERT_RTNL();
         ASSERT_RDEV_LOCK(rdev);
         ASSERT_WDEV_LOCK(wdev);
+        lockdep_assert_held(&rdev->sched_scan_mtx);
 
         if (rdev->scan_req)
                 return -EBUSY;
@@ -223,6 +224,7 @@ void cfg80211_conn_work(struct work_struct *work)
         rtnl_lock();
         cfg80211_lock_rdev(rdev);
         mutex_lock(&rdev->devlist_mtx);
+        mutex_lock(&rdev->sched_scan_mtx);
 
         list_for_each_entry(wdev, &rdev->wdev_list, list) {
                 wdev_lock(wdev);
@@ -247,6 +249,7 @@ void cfg80211_conn_work(struct work_struct *work)
                 wdev_unlock(wdev);
         }
 
+        mutex_unlock(&rdev->sched_scan_mtx);
         mutex_unlock(&rdev->devlist_mtx);
         cfg80211_unlock_rdev(rdev);
         rtnl_unlock();
@@ -320,11 +323,9 @@ void cfg80211_sme_scan_done(struct net_device *dev)
 {
         struct wireless_dev *wdev = dev->ieee80211_ptr;
 
-        mutex_lock(&wiphy_to_dev(wdev->wiphy)->devlist_mtx);
         wdev_lock(wdev);
         __cfg80211_sme_scan_done(dev);
         wdev_unlock(wdev);
-        mutex_unlock(&wiphy_to_dev(wdev->wiphy)->devlist_mtx);
 }
 
 void cfg80211_sme_rx_auth(struct net_device *dev,
@@ -924,9 +925,12 @@ int cfg80211_connect(struct cfg80211_registered_device *rdev,
         int err;
 
         mutex_lock(&rdev->devlist_mtx);
+        /* might request scan - scan_mtx -> wdev_mtx dependency */
+        mutex_lock(&rdev->sched_scan_mtx);
         wdev_lock(dev->ieee80211_ptr);
         err = __cfg80211_connect(rdev, dev, connect, connkeys, NULL);
         wdev_unlock(dev->ieee80211_ptr);
+        mutex_unlock(&rdev->sched_scan_mtx);
         mutex_unlock(&rdev->devlist_mtx);
 
         return err;
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index b7a531380e19..7586de77a2f8 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -27,7 +27,8 @@
 #define WIPHY_PR_ARG    __entry->wiphy_name
 
 #define WDEV_ENTRY      __field(u32, id)
-#define WDEV_ASSIGN     (__entry->id) = (wdev ? wdev->identifier : 0)
+#define WDEV_ASSIGN     (__entry->id) = (!IS_ERR_OR_NULL(wdev)  \
+                                         ? wdev->identifier : 0)
 #define WDEV_PR_FMT     "wdev(%u)"
 #define WDEV_PR_ARG     (__entry->id)
 
@@ -1778,7 +1779,7 @@ TRACE_EVENT(rdev_set_mac_acl,
         ),
         TP_fast_assign(
                 WIPHY_ASSIGN;
-                WIPHY_ASSIGN;
+                NETDEV_ASSIGN;
                 __entry->acl_policy = params->acl_policy;
         ),
         TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", acl policy: %d",
diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c
index fb9622f6d99c..e79cb5c0655a 100644
--- a/net/wireless/wext-sme.c
+++ b/net/wireless/wext-sme.c
@@ -89,6 +89,7 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
 
         cfg80211_lock_rdev(rdev);
         mutex_lock(&rdev->devlist_mtx);
+        mutex_lock(&rdev->sched_scan_mtx);
         wdev_lock(wdev);
 
         if (wdev->sme_state != CFG80211_SME_IDLE) {
@@ -135,6 +136,7 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
         err = cfg80211_mgd_wext_connect(rdev, wdev);
  out:
         wdev_unlock(wdev);
+        mutex_unlock(&rdev->sched_scan_mtx);
         mutex_unlock(&rdev->devlist_mtx);
         cfg80211_unlock_rdev(rdev);
         return err;
@@ -190,6 +192,7 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev,
 
         cfg80211_lock_rdev(rdev);
         mutex_lock(&rdev->devlist_mtx);
+        mutex_lock(&rdev->sched_scan_mtx);
         wdev_lock(wdev);
 
         err = 0;
@@ -223,6 +226,7 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev,
         err = cfg80211_mgd_wext_connect(rdev, wdev);
  out:
         wdev_unlock(wdev);
+        mutex_unlock(&rdev->sched_scan_mtx);
         mutex_unlock(&rdev->devlist_mtx);
         cfg80211_unlock_rdev(rdev);
         return err;
@@ -285,6 +289,7 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev,
 
         cfg80211_lock_rdev(rdev);
         mutex_lock(&rdev->devlist_mtx);
+        mutex_lock(&rdev->sched_scan_mtx);
         wdev_lock(wdev);
 
         if (wdev->sme_state != CFG80211_SME_IDLE) {
@@ -313,6 +318,7 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev,
         err = cfg80211_mgd_wext_connect(rdev, wdev);
  out:
         wdev_unlock(wdev);
+        mutex_unlock(&rdev->sched_scan_mtx);
         mutex_unlock(&rdev->devlist_mtx);
         cfg80211_unlock_rdev(rdev);
         return err;
diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c
index 35754cc8a9e5..8dafe6d3c6e4 100644
--- a/net/xfrm/xfrm_replay.c
+++ b/net/xfrm/xfrm_replay.c
@@ -334,6 +334,70 @@ static void xfrm_replay_notify_bmp(struct xfrm_state *x, int event)
                 x->xflags &= ~XFRM_TIME_DEFER;
 }
 
+static void xfrm_replay_notify_esn(struct xfrm_state *x, int event)
+{
+        u32 seq_diff, oseq_diff;
+        struct km_event c;
+        struct xfrm_replay_state_esn *replay_esn = x->replay_esn;
+        struct xfrm_replay_state_esn *preplay_esn = x->preplay_esn;
+
+        /* we send notify messages in case
+         *  1. we updated on of the sequence numbers, and the seqno difference
+         *     is at least x->replay_maxdiff, in this case we also update the
+         *     timeout of our timer function
+         *  2. if x->replay_maxage has elapsed since last update,
+         *     and there were changes
+         *
+         *  The state structure must be locked!
+         */
+
+        switch (event) {
+        case XFRM_REPLAY_UPDATE:
+                if (!x->replay_maxdiff)
+                        break;
+
+                if (replay_esn->seq_hi == preplay_esn->seq_hi)
+                        seq_diff = replay_esn->seq - preplay_esn->seq;
+                else
+                        seq_diff = ~preplay_esn->seq + replay_esn->seq + 1;
+
+                if (replay_esn->oseq_hi == preplay_esn->oseq_hi)
+                        oseq_diff = replay_esn->oseq - preplay_esn->oseq;
+                else
+                        oseq_diff = ~preplay_esn->oseq + replay_esn->oseq + 1;
+
+                if (seq_diff < x->replay_maxdiff &&
+                    oseq_diff < x->replay_maxdiff) {
+
+                        if (x->xflags & XFRM_TIME_DEFER)
+                                event = XFRM_REPLAY_TIMEOUT;
+                        else
+                                return;
+                }
+
+                break;
+
+        case XFRM_REPLAY_TIMEOUT:
+                if (memcmp(x->replay_esn, x->preplay_esn,
+                           xfrm_replay_state_esn_len(replay_esn)) == 0) {
+                        x->xflags |= XFRM_TIME_DEFER;
+                        return;
+                }
+
+                break;
+        }
+
+        memcpy(x->preplay_esn, x->replay_esn,
+               xfrm_replay_state_esn_len(replay_esn));
+        c.event = XFRM_MSG_NEWAE;
+        c.data.aevent = event;
+        km_state_notify(x, &c);
+
+        if (x->replay_maxage &&
+            !mod_timer(&x->rtimer, jiffies + x->replay_maxage))
+                x->xflags &= ~XFRM_TIME_DEFER;
+}
+
 static int xfrm_replay_overflow_esn(struct xfrm_state *x, struct sk_buff *skb)
 {
         int err = 0;
@@ -510,7 +574,7 @@ static struct xfrm_replay xfrm_replay_esn = {
         .advance        = xfrm_replay_advance_esn,
         .check          = xfrm_replay_check_esn,
         .recheck        = xfrm_replay_recheck_esn,
-        .notify         = xfrm_replay_notify_bmp,
+        .notify         = xfrm_replay_notify_esn,
         .overflow       = xfrm_replay_overflow_esn,
 };
 
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index b28cc384a5bc..4de4bc48493b 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3016,6 +3016,7 @@ sub process {
                             $dstat !~ /^'X'$/ &&                                        # character constants
                             $dstat !~ /$exceptions/ &&
                             $dstat !~ /^\.$Ident\s*=/ &&                                # .foo =
+                            $dstat !~ /^(?:\#\s*$Ident|\#\s*$Constant)\s*$/ &&          # stringification #foo
                             $dstat !~ /^do\s*$Constant\s*while\s*$Constant;?$/ &&       # do {...} while (...); // do {...} while (...)
                             $dstat !~ /^for\s*$Constant$/ &&                            # for (...)
                             $dstat !~ /^for\s*$Constant\s+(?:$Ident|-?$Constant)$/ &&   # for (...) bar()
diff --git a/security/capability.c b/security/capability.c
index 579775088967..6783c3e6c88e 100644
--- a/security/capability.c
+++ b/security/capability.c
@@ -737,6 +737,11 @@ static int cap_tun_dev_open(void *security)
 {
         return 0;
 }
+
+static void cap_skb_owned_by(struct sk_buff *skb, struct sock *sk)
+{
+}
+
 #endif  /* CONFIG_SECURITY_NETWORK */
 
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
@@ -1071,6 +1076,7 @@ void __init security_fixup_ops(struct security_operations *ops)
         set_to_cap_if_null(ops, tun_dev_open);
         set_to_cap_if_null(ops, tun_dev_attach_queue);
         set_to_cap_if_null(ops, tun_dev_attach);
+        set_to_cap_if_null(ops, skb_owned_by);
 #endif  /* CONFIG_SECURITY_NETWORK */
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
         set_to_cap_if_null(ops, xfrm_policy_alloc_security);
diff --git a/security/security.c b/security/security.c
index 7b88c6aeaed4..03f248b84e9f 100644
--- a/security/security.c
+++ b/security/security.c
@@ -1290,6 +1290,11 @@ int security_tun_dev_open(void *security)
 }
 EXPORT_SYMBOL(security_tun_dev_open);
 
+void security_skb_owned_by(struct sk_buff *skb, struct sock *sk)
+{
+        security_ops->skb_owned_by(skb, sk);
+}
+
 #endif  /* CONFIG_SECURITY_NETWORK */
 
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 2fa28c88900c..7171a957b933 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -51,6 +51,7 @@
 #include <linux/tty.h>
 #include <net/icmp.h>
 #include <net/ip.h>             /* for local_port_range[] */
+#include <net/sock.h>
 #include <net/tcp.h>            /* struct or_callable used in sock_rcv_skb */
 #include <net/net_namespace.h>
 #include <net/netlabel.h>
@@ -4363,6 +4364,11 @@ static void selinux_inet_conn_established(struct sock *sk, struct sk_buff *skb)
         selinux_skb_peerlbl_sid(skb, family, &sksec->peer_sid);
 }
 
+static void selinux_skb_owned_by(struct sk_buff *skb, struct sock *sk)
+{
+        skb_set_owner_w(skb, sk);
+}
+
 static int selinux_secmark_relabel_packet(u32 sid)
 {
         const struct task_security_struct *__tsec;
@@ -5664,6 +5670,7 @@ static struct security_operations selinux_ops = {
         .tun_dev_attach_queue =         selinux_tun_dev_attach_queue,
         .tun_dev_attach =               selinux_tun_dev_attach,
         .tun_dev_open =                 selinux_tun_dev_open,
+        .skb_owned_by =                 selinux_skb_owned_by,
 
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
         .xfrm_policy_alloc_security =   selinux_xfrm_policy_alloc,
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 71ae86ca64ac..eb560fa32321 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -3222,18 +3222,10 @@ EXPORT_SYMBOL_GPL(snd_pcm_lib_default_mmap);
 int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream,
                            struct vm_area_struct *area)
 {
-        long size;
-        unsigned long offset;
+        struct snd_pcm_runtime *runtime = substream->runtime;;
 
         area->vm_page_prot = pgprot_noncached(area->vm_page_prot);
-        area->vm_flags |= VM_IO;
-        size = area->vm_end - area->vm_start;
-        offset = area->vm_pgoff << PAGE_SHIFT;
-        if (io_remap_pfn_range(area, area->vm_start,
-                                (substream->runtime->dma_addr + offset) >> PAGE_SHIFT,
-                                size, area->vm_page_prot))
-                return -EAGAIN;
-        return 0;
+        return vm_iomap_memory(area, runtime->dma_addr, runtime->dma_bytes);
 }
 
 EXPORT_SYMBOL(snd_pcm_lib_mmap_iomem);
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index ecdf30eb5879..4aba7646dd9c 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -173,7 +173,7 @@ const char *snd_hda_get_jack_type(u32 cfg)
                 "Line Out", "Speaker", "HP Out", "CD",
                 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
                 "Line In", "Aux", "Mic", "Telephony",
-                "SPDIF In", "Digitial In", "Reserved", "Other"
+                "SPDIF In", "Digital In", "Reserved", "Other"
         };
 
         return jack_types[(cfg & AC_DEFCFG_DEVICE)
diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c
index 7dd846380a50..d0d7ac1e99d2 100644
--- a/sound/pci/hda/hda_eld.c
+++ b/sound/pci/hda/hda_eld.c
@@ -320,7 +320,7 @@ int snd_hdmi_get_eld(struct hda_codec *codec, hda_nid_t nid,
                      unsigned char *buf, int *eld_size)
 {
         int i;
-        int ret;
+        int ret = 0;
         int size;
 
         /*
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index 43c2ea539561..2dbe767be16b 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -740,7 +740,7 @@ EXPORT_SYMBOL_HDA(snd_hda_activate_path);
 static void path_power_down_sync(struct hda_codec *codec, struct nid_path *path)
 {
         struct hda_gen_spec *spec = codec->spec;
-        bool changed;
+        bool changed = false;
         int i;
 
         if (!spec->power_down_unused || path->active)
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 418bfc0eb0a3..bcd40ee488e3 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -134,8 +134,8 @@ MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
  * this may give more power-saving, but will take longer time to
  * wake up.
  */
-static int power_save_controller = -1;
-module_param(power_save_controller, bint, 0644);
+static bool power_save_controller = 1;
+module_param(power_save_controller, bool, 0644);
 MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode.");
 #endif /* CONFIG_PM */
 
@@ -2931,8 +2931,6 @@ static int azx_runtime_idle(struct device *dev)
         struct snd_card *card = dev_get_drvdata(dev);
         struct azx *chip = card->private_data;
 
-        if (power_save_controller > 0)
-                return 0;
         if (!power_save_controller ||
             !(chip->driver_caps & AZX_DCAPS_PM_RUNTIME))
                 return -EBUSY;
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 78e1827d0a95..de8ac5c07fd0 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1196,7 +1196,7 @@ static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
 
         _snd_printd(SND_PR_VERBOSE,
                 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
-                codec->addr, pin_nid, eld->monitor_present, eld->eld_valid);
+                codec->addr, pin_nid, pin_eld->monitor_present, eld->eld_valid);
 
         if (eld->eld_valid) {
                 if (snd_hdmi_get_eld(codec, pin_nid, eld->eld_buffer,
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 563c24df4d6f..f15c36bde540 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -3440,7 +3440,8 @@ static int alc662_parse_auto_config(struct hda_codec *codec)
         const hda_nid_t *ssids;
 
         if (codec->vendor_id == 0x10ec0272 || codec->vendor_id == 0x10ec0663 ||
-            codec->vendor_id == 0x10ec0665 || codec->vendor_id == 0x10ec0670)
+            codec->vendor_id == 0x10ec0665 || codec->vendor_id == 0x10ec0670 ||
+            codec->vendor_id == 0x10ec0671)
                 ssids = alc663_ssids;
         else
                 ssids = alc662_ssids;
@@ -3894,6 +3895,7 @@ static const struct hda_codec_preset snd_hda_preset_realtek[] = {
         { .id = 0x10ec0665, .name = "ALC665", .patch = patch_alc662 },
         { .id = 0x10ec0668, .name = "ALC668", .patch = patch_alc662 },
         { .id = 0x10ec0670, .name = "ALC670", .patch = patch_alc662 },
+        { .id = 0x10ec0671, .name = "ALC671", .patch = patch_alc662 },
         { .id = 0x10ec0680, .name = "ALC680", .patch = patch_alc680 },
         { .id = 0x10ec0880, .name = "ALC880", .patch = patch_alc880 },
         { .id = 0x10ec0882, .name = "ALC882", .patch = patch_alc882 },
diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c
index fc176044994d..fc176044994d 100755..100644
--- a/sound/soc/codecs/max98090.c
+++ b/sound/soc/codecs/max98090.c
diff --git a/sound/soc/codecs/max98090.h b/sound/soc/codecs/max98090.h
index 7e103f249053..7e103f249053 100755..100644
--- a/sound/soc/codecs/max98090.h
+++ b/sound/soc/codecs/max98090.h
diff --git a/sound/soc/codecs/si476x.c b/sound/soc/codecs/si476x.c
index f2d61a187830..566ea3256e2d 100644
--- a/sound/soc/codecs/si476x.c
+++ b/sound/soc/codecs/si476x.c
@@ -159,6 +159,7 @@ static int si476x_codec_hw_params(struct snd_pcm_substream *substream,
         switch (params_format(params)) {
         case SNDRV_PCM_FORMAT_S8:
                 width = SI476X_PCM_FORMAT_S8;
+                break;
         case SNDRV_PCM_FORMAT_S16_LE:
                 width = SI476X_PCM_FORMAT_S16_LE;
                 break;
diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c
index b82bbf584146..34d0201d6a78 100644
--- a/sound/soc/codecs/wm5102.c
+++ b/sound/soc/codecs/wm5102.c
@@ -584,7 +584,7 @@ static int wm5102_sysclk_ev(struct snd_soc_dapm_widget *w,
                             struct snd_kcontrol *kcontrol, int event)
 {
         struct snd_soc_codec *codec = w->codec;
-        struct arizona *arizona = dev_get_drvdata(codec->dev);
+        struct arizona *arizona = dev_get_drvdata(codec->dev->parent);
         struct regmap *regmap = codec->control_data;
         const struct reg_default *patch = NULL;
         int i, patch_size;
diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c
index 134e41c870b9..f8a31ad0b203 100644
--- a/sound/soc/codecs/wm8903.c
+++ b/sound/soc/codecs/wm8903.c
@@ -1083,6 +1083,8 @@ static const struct snd_soc_dapm_route wm8903_intercon[] = {
         { "ROP", NULL, "Right Speaker PGA" },
         { "RON", NULL, "Right Speaker PGA" },
 
+        { "Charge Pump", NULL, "CLK_DSP" },
+
         { "Left Headphone Output PGA", NULL, "Charge Pump" },
         { "Right Headphone Output PGA", NULL, "Charge Pump" },
         { "Left Line Output PGA", NULL, "Charge Pump" },
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index f3f7e75f8628..9af1bddc4c62 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -828,7 +828,8 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp)
                                                 &buf_list);
                         if (!buf) {
                                 adsp_err(dsp, "Out of memory\n");
-                                return -ENOMEM;
+                                ret = -ENOMEM;
+                                goto out_fw;
                         }
 
                         adsp_dbg(dsp, "%s.%d: Writing %d bytes at %x\n",
@@ -865,7 +866,7 @@ out_fw:
         wm_adsp_buf_free(&buf_list);
 out:
         kfree(file);
-        return 0;
+        return ret;
 }
 
 int wm_adsp1_init(struct wm_adsp *adsp)
diff --git a/sound/soc/fsl/imx-ssi.c b/sound/soc/fsl/imx-ssi.c
index 55464a5b0706..810c7eeb7b03 100644
--- a/sound/soc/fsl/imx-ssi.c
+++ b/sound/soc/fsl/imx-ssi.c
@@ -496,6 +496,8 @@ static void imx_ssi_ac97_reset(struct snd_ac97 *ac97)
 
         if (imx_ssi->ac97_reset)
                 imx_ssi->ac97_reset(ac97);
+        /* First read sometimes fails, do a dummy read */
+        imx_ssi_ac97_read(ac97, 0);
 }
 
 static void imx_ssi_ac97_warm_reset(struct snd_ac97 *ac97)
@@ -504,6 +506,9 @@ static void imx_ssi_ac97_warm_reset(struct snd_ac97 *ac97)
 
         if (imx_ssi->ac97_warm_reset)
                 imx_ssi->ac97_warm_reset(ac97);
+
+        /* First read sometimes fails, do a dummy read */
+        imx_ssi_ac97_read(ac97, 0);
 }
 
 struct snd_ac97_bus_ops soc_ac97_ops = {
diff --git a/sound/soc/fsl/pcm030-audio-fabric.c b/sound/soc/fsl/pcm030-audio-fabric.c
index 8e52c1485df3..eb4373840bb6 100644
--- a/sound/soc/fsl/pcm030-audio-fabric.c
+++ b/sound/soc/fsl/pcm030-audio-fabric.c
@@ -51,7 +51,7 @@ static struct snd_soc_card pcm030_card = {
         .num_links = ARRAY_SIZE(pcm030_fabric_dai),
 };
 
-static int __init pcm030_fabric_probe(struct platform_device *op)
+static int pcm030_fabric_probe(struct platform_device *op)
 {
         struct device_node *np = op->dev.of_node;
         struct device_node *platform_np;
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index d7231e336a7c..6bbeb0bf1a73 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -972,6 +972,7 @@ static const struct snd_soc_dai_ops samsung_i2s_dai_ops = {
 static struct i2s_dai *i2s_alloc_dai(struct platform_device *pdev, bool sec)
 {
         struct i2s_dai *i2s;
+        int ret;
 
         i2s = devm_kzalloc(&pdev->dev, sizeof(struct i2s_dai), GFP_KERNEL);
         if (i2s == NULL)
@@ -996,15 +997,17 @@ static struct i2s_dai *i2s_alloc_dai(struct platform_device *pdev, bool sec)
                 i2s->i2s_dai_drv.capture.channels_max = 2;
                 i2s->i2s_dai_drv.capture.rates = SAMSUNG_I2S_RATES;
                 i2s->i2s_dai_drv.capture.formats = SAMSUNG_I2S_FMTS;
+                dev_set_drvdata(&i2s->pdev->dev, i2s);
         } else {        /* Create a new platform_device for Secondary */
-                i2s->pdev = platform_device_register_resndata(NULL,
-                                "samsung-i2s-sec", -1, NULL, 0, NULL, 0);
+                i2s->pdev = platform_device_alloc("samsung-i2s-sec", -1);
                 if (IS_ERR(i2s->pdev))
                         return NULL;
-        }
 
-        /* Pre-assign snd_soc_dai_set_drvdata */
-        dev_set_drvdata(&i2s->pdev->dev, i2s);
+                platform_set_drvdata(i2s->pdev, i2s);
+                ret = platform_device_add(i2s->pdev);
+                if (ret < 0)
+                        return NULL;
+        }
 
         return i2s;
 }
@@ -1107,6 +1110,10 @@ static int samsung_i2s_probe(struct platform_device *pdev)
 
         if (samsung_dai_type == TYPE_SEC) {
                 sec_dai = dev_get_drvdata(&pdev->dev);
+                if (!sec_dai) {
+                        dev_err(&pdev->dev, "Unable to get drvdata\n");
+                        return -EFAULT;
+                }
                 snd_soc_register_dai(&sec_dai->pdev->dev,
                         &sec_dai->i2s_dai_drv);
                 asoc_dma_platform_register(&pdev->dev);
diff --git a/sound/soc/sh/dma-sh7760.c b/sound/soc/sh/dma-sh7760.c
index 19eff8fc4fdd..1a8b03e4b41b 100644
--- a/sound/soc/sh/dma-sh7760.c
+++ b/sound/soc/sh/dma-sh7760.c
@@ -342,8 +342,8 @@ static int camelot_pcm_new(struct snd_soc_pcm_runtime *rtd)
         return 0;
 }
 
-static struct snd_soc_platform sh7760_soc_platform = {
-        .pcm_ops        = &camelot_pcm_ops,
+static struct snd_soc_platform_driver sh7760_soc_platform = {
+        .ops            = &camelot_pcm_ops,
         .pcm_new        = camelot_pcm_new,
         .pcm_free       = camelot_pcm_free,
 };
diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c
index b5b3db71e253..ed0bfb0ddb96 100644
--- a/sound/soc/soc-compress.c
+++ b/sound/soc/soc-compress.c
@@ -211,19 +211,27 @@ static int soc_compr_set_params(struct snd_compr_stream *cstream,
         if (platform->driver->compr_ops && platform->driver->compr_ops->set_params) {
                 ret = platform->driver->compr_ops->set_params(cstream, params);
                 if (ret < 0)
-                        goto out;
+                        goto err;
         }
 
         if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->set_params) {
                 ret = rtd->dai_link->compr_ops->set_params(cstream);
                 if (ret < 0)
-                        goto out;
+                        goto err;
         }
 
         snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK,
                                 SND_SOC_DAPM_STREAM_START);
 
-out:
+        /* cancel any delayed stream shutdown that is pending */
+        rtd->pop_wait = 0;
+        mutex_unlock(&rtd->pcm_mutex);
+
+        cancel_delayed_work_sync(&rtd->delayed_work);
+
+        return ret;
+
+err:
         mutex_unlock(&rtd->pcm_mutex);
         return ret;
 }
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index b7e84a7cd9ee..ff4b45a5d796 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2963,7 +2963,7 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
         val = val << shift;
 
         ret = snd_soc_update_bits_locked(codec, reg, val_mask, val);
-        if (ret != 0)
+        if (ret < 0)
                 return ret;
 
         if (snd_soc_volsw_is_stereo(mc)) {
@@ -3140,7 +3140,7 @@ int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
         if (params->mask) {
                 ret = regmap_read(codec->control_data, params->base, &val);
                 if (ret != 0)
-                        return ret;
+                        goto out;
 
                 val &= params->mask;
 
@@ -3158,13 +3158,15 @@ int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
                         ((u32 *)data)[0] |= cpu_to_be32(val);
                         break;
                 default:
-                        return -EINVAL;
+                        ret = -EINVAL;
+                        goto out;
                 }
         }
 
         ret = regmap_raw_write(codec->control_data, params->base,
                                data, len);
 
+out:
         kfree(data);
 
         return ret;
@@ -4197,7 +4199,6 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
                         dev_err(card->dev,
                                 "ASoC: Property '%s' index %d could not be read: %d\n",
                                 propname, 2 * i, ret);
-                        kfree(routes);
                         return -EINVAL;
                 }
                 ret = of_property_read_string_index(np, propname,
@@ -4206,7 +4207,6 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
                         dev_err(card->dev,
                                 "ASoC: Property '%s' index %d could not be read: %d\n",
                                 propname, (2 * i) + 1, ret);
-                        kfree(routes);
                         return -EINVAL;
                 }
         }
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 1d6a9b3ceb27..d6d9ba2e6916 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -831,6 +831,9 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget,
                 if (path->weak)
                         continue;
 
+                if (path->walking)
+                        return 1;
+
                 if (path->walked)
                         continue;
 
@@ -838,6 +841,7 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget,
 
                 if (path->sink && path->connect) {
                         path->walked = 1;
+                        path->walking = 1;
 
                         /* do we need to add this widget to the list ? */
                         if (list) {
@@ -847,11 +851,14 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget,
                                         dev_err(widget->dapm->dev,
                                                 "ASoC: could not add widget %s\n",
                                                 widget->name);
+                                        path->walking = 0;
                                         return con;
                                 }
                         }
 
                         con += is_connected_output_ep(path->sink, list);
+
+                        path->walking = 0;
                 }
         }
 
@@ -931,6 +938,9 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget,
                 if (path->weak)
                         continue;
 
+                if (path->walking)
+                        return 1;
+
                 if (path->walked)
                         continue;
 
@@ -938,6 +948,7 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget,
 
                 if (path->source && path->connect) {
                         path->walked = 1;
+                        path->walking = 1;
 
                         /* do we need to add this widget to the list ? */
                         if (list) {
@@ -947,11 +958,14 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget,
                                         dev_err(widget->dapm->dev,
                                                 "ASoC: could not add widget %s\n",
                                                 widget->name);
+                                        path->walking = 0;
                                         return con;
                                 }
                         }
 
                         con += is_connected_input_ep(path->source, list);
+
+                        path->walking = 0;
                 }
         }
 
diff --git a/sound/soc/spear/spear_pcm.c b/sound/soc/spear/spear_pcm.c
index 9b76cc5a1148..5e7aebe1e664 100644
--- a/sound/soc/spear/spear_pcm.c
+++ b/sound/soc/spear/spear_pcm.c
@@ -149,9 +149,9 @@ static void spear_pcm_free(struct snd_pcm *pcm)
 
 static u64 spear_pcm_dmamask = DMA_BIT_MASK(32);
 
-static int spear_pcm_new(struct snd_card *card,
-                struct snd_soc_dai *dai, struct snd_pcm *pcm)
+static int spear_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
+        struct snd_card *card = rtd->card->snd_card;
         int ret;
 
         if (!card->dev->dma_mask)
@@ -159,16 +159,16 @@ static int spear_pcm_new(struct snd_card *card,
         if (!card->dev->coherent_dma_mask)
                 card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
 
-        if (dai->driver->playback.channels_min) {
-                ret = spear_pcm_preallocate_dma_buffer(pcm,
+        if (rtd->cpu_dai->driver->playback.channels_min) {
+                ret = spear_pcm_preallocate_dma_buffer(rtd->pcm,
                                 SNDRV_PCM_STREAM_PLAYBACK,
                                 spear_pcm_hardware.buffer_bytes_max);
                 if (ret)
                         return ret;
         }
 
-        if (dai->driver->capture.channels_min) {
-                ret = spear_pcm_preallocate_dma_buffer(pcm,
+        if (rtd->cpu_dai->driver->capture.channels_min) {
+                ret = spear_pcm_preallocate_dma_buffer(rtd->pcm,
                                 SNDRV_PCM_STREAM_CAPTURE,
                                 spear_pcm_hardware.buffer_bytes_max);
                 if (ret)
diff --git a/sound/soc/tegra/tegra_pcm.c b/sound/soc/tegra/tegra_pcm.c
index c925ab0adeb6..5e2c55c5b255 100644
--- a/sound/soc/tegra/tegra_pcm.c
+++ b/sound/soc/tegra/tegra_pcm.c
@@ -43,8 +43,6 @@
 static const struct snd_pcm_hardware tegra_pcm_hardware = {
         .info                   = SNDRV_PCM_INFO_MMAP |
                                   SNDRV_PCM_INFO_MMAP_VALID |
-                                  SNDRV_PCM_INFO_PAUSE |
-                                  SNDRV_PCM_INFO_RESUME |
                                   SNDRV_PCM_INFO_INTERLEAVED,
         .formats                = SNDRV_PCM_FMTBIT_S16_LE,
         .channels_min           = 2,
@@ -127,26 +125,6 @@ static int tegra_pcm_hw_free(struct snd_pcm_substream *substream)
         return 0;
 }
 
-static int tegra_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
-{
-        switch (cmd) {
-        case SNDRV_PCM_TRIGGER_START:
-        case SNDRV_PCM_TRIGGER_RESUME:
-        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-                return snd_dmaengine_pcm_trigger(substream,
-                                        SNDRV_PCM_TRIGGER_START);
-
-        case SNDRV_PCM_TRIGGER_STOP:
-        case SNDRV_PCM_TRIGGER_SUSPEND:
-        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-                return snd_dmaengine_pcm_trigger(substream,
-                                        SNDRV_PCM_TRIGGER_STOP);
-        default:
-                return -EINVAL;
-        }
-        return 0;
-}
-
 static int tegra_pcm_mmap(struct snd_pcm_substream *substream,
                                 struct vm_area_struct *vma)
 {
@@ -164,7 +142,7 @@ static struct snd_pcm_ops tegra_pcm_ops = {
         .ioctl          = snd_pcm_lib_ioctl,
         .hw_params      = tegra_pcm_hw_params,
         .hw_free        = tegra_pcm_hw_free,
-        .trigger        = tegra_pcm_trigger,
+        .trigger        = snd_dmaengine_pcm_trigger,
         .pointer        = snd_dmaengine_pcm_pointer,
         .mmap           = tegra_pcm_mmap,
 };
diff --git a/sound/usb/clock.c b/sound/usb/clock.c
index 5e634a2eb282..9e2703a25156 100644
--- a/sound/usb/clock.c
+++ b/sound/usb/clock.c
@@ -253,7 +253,7 @@ static int set_sample_rate_v2(struct snd_usb_audio *chip, int iface,
 {
         struct usb_device *dev = chip->dev;
         unsigned char data[4];
-        int err, crate;
+        int err, cur_rate, prev_rate;
         int clock = snd_usb_clock_find_source(chip, fmt->clock);
 
         if (clock < 0)
@@ -266,6 +266,19 @@ static int set_sample_rate_v2(struct snd_usb_audio *chip, int iface,
                 return -ENXIO;
         }
 
+        err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC2_CS_CUR,
+                              USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
+                              UAC2_CS_CONTROL_SAM_FREQ << 8,
+                              snd_usb_ctrl_intf(chip) | (clock << 8),
+                              data, sizeof(data));
+        if (err < 0) {
+                snd_printk(KERN_WARNING "%d:%d:%d: cannot get freq (v2)\n",
+                           dev->devnum, iface, fmt->altsetting);
+                prev_rate = 0;
+        } else {
+                prev_rate = data[0] | (data[1] << 8) | (data[2] << 16) | (data[3] << 24);
+        }
+
         data[0] = rate;
         data[1] = rate >> 8;
         data[2] = rate >> 16;
@@ -280,19 +293,31 @@ static int set_sample_rate_v2(struct snd_usb_audio *chip, int iface,
                 return err;
         }
 
-        if ((err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC2_CS_CUR,
-                                   USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
-                                   UAC2_CS_CONTROL_SAM_FREQ << 8,
-                                   snd_usb_ctrl_intf(chip) | (clock << 8),
-                                   data, sizeof(data))) < 0) {
+        err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC2_CS_CUR,
+                              USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
+                              UAC2_CS_CONTROL_SAM_FREQ << 8,
+                              snd_usb_ctrl_intf(chip) | (clock << 8),
+                              data, sizeof(data));
+        if (err < 0) {
                 snd_printk(KERN_WARNING "%d:%d:%d: cannot get freq (v2)\n",
                            dev->devnum, iface, fmt->altsetting);
-                return err;
+                cur_rate = 0;
+        } else {
+                cur_rate = data[0] | (data[1] << 8) | (data[2] << 16) | (data[3] << 24);
         }
 
-        crate = data[0] | (data[1] << 8) | (data[2] << 16) | (data[3] << 24);
-        if (crate != rate)
-                snd_printd(KERN_WARNING "current rate %d is different from the runtime rate %d\n", crate, rate);
+        if (cur_rate != rate) {
+                snd_printd(KERN_WARNING
+                           "current rate %d is different from the runtime rate %d\n",
+                           cur_rate, rate);
+        }
+
+        /* Some devices doesn't respond to sample rate changes while the
+         * interface is active. */
+        if (rate != prev_rate) {
+                usb_set_interface(dev, iface, 0);
+                usb_set_interface(dev, iface, fmt->altsetting);
+        }
 
         return 0;
 }
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 497d2741d119..ebe91440a068 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -509,7 +509,7 @@ static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
         else
                 ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest,
                                   USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
-                                  0, cpu_to_le16(wIndex),
+                                  0, wIndex,
                                   &tmp, sizeof(tmp), 1000);
         up_read(&mixer->chip->shutdown_rwsem);
 
@@ -540,7 +540,7 @@ static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
         else
                 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), bRequest,
                                   USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
-                                  cpu_to_le16(wValue), cpu_to_le16(wIndex),
+                                  wValue, wIndex,
                                   NULL, 0, 1000);
         up_read(&mixer->chip->shutdown_rwsem);
 
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 5325a3869bb7..9c5ab22358b1 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -486,7 +486,7 @@ static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev)
 {
         int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
                                   0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-                                  cpu_to_le16(1), 0, NULL, 0, 1000);
+                                  1, 0, NULL, 0, 1000);
 
         if (ret < 0)
                 return ret;
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 6f3214ed4444..321e066a0753 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -1421,6 +1421,7 @@ int has_nehalem_turbo_ratio_limit(unsigned int family, unsigned int model)
         case 0x3C:      /* HSW */
         case 0x3F:      /* HSW */
         case 0x45:      /* HSW */
+        case 0x46:      /* HSW */
                 return 1;
         case 0x2E:      /* Nehalem-EX Xeon - Beckton */
         case 0x2F:      /* Westmere-EX Xeon - Eagleton */
@@ -1515,6 +1516,7 @@ void rapl_probe(unsigned int family, unsigned int model)
         case 0x3C:      /* HSW */
         case 0x3F:      /* HSW */
         case 0x45:      /* HSW */
+        case 0x46:      /* HSW */
                 do_rapl = RAPL_PKG | RAPL_CORES | RAPL_GFX;
                 break;
         case 0x2D:
@@ -1754,6 +1756,7 @@ int is_snb(unsigned int family, unsigned int model)
         case 0x3C:      /* HSW */
         case 0x3F:      /* HSW */
         case 0x45:      /* HSW */
+        case 0x46:      /* HSW */
                 return 1;
         }
         return 0;
@@ -2276,7 +2279,7 @@ int main(int argc, char **argv)
         cmdline(argc, argv);
 
         if (verbose)
-                fprintf(stderr, "turbostat v3.2 February 11, 2013"
+                fprintf(stderr, "turbostat v3.3 March 15, 2013"
                         " - Len Brown <lenb@kernel.org>\n");
 
         turbostat_init();
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index adc68feb5c5a..f18013f09e68 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1541,21 +1541,38 @@ int kvm_write_guest(struct kvm *kvm, gpa_t gpa, const void *data,
 }
 
 int kvm_gfn_to_hva_cache_init(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
-                              gpa_t gpa)
+                              gpa_t gpa, unsigned long len)
 {
         struct kvm_memslots *slots = kvm_memslots(kvm);
         int offset = offset_in_page(gpa);
-        gfn_t gfn = gpa >> PAGE_SHIFT;
+        gfn_t start_gfn = gpa >> PAGE_SHIFT;
+        gfn_t end_gfn = (gpa + len - 1) >> PAGE_SHIFT;
+        gfn_t nr_pages_needed = end_gfn - start_gfn + 1;
+        gfn_t nr_pages_avail;
 
         ghc->gpa = gpa;
         ghc->generation = slots->generation;
-        ghc->memslot = gfn_to_memslot(kvm, gfn);
-        ghc->hva = gfn_to_hva_many(ghc->memslot, gfn, NULL);
-        if (!kvm_is_error_hva(ghc->hva))
+        ghc->len = len;
+        ghc->memslot = gfn_to_memslot(kvm, start_gfn);
+        ghc->hva = gfn_to_hva_many(ghc->memslot, start_gfn, &nr_pages_avail);
+        if (!kvm_is_error_hva(ghc->hva) && nr_pages_avail >= nr_pages_needed) {
                 ghc->hva += offset;
-        else
-                return -EFAULT;
-
+        } else {
+                /*
+                 * If the requested region crosses two memslots, we still
+                 * verify that the entire region is valid here.
+                 */
+                while (start_gfn <= end_gfn) {
+                        ghc->memslot = gfn_to_memslot(kvm, start_gfn);
+                        ghc->hva = gfn_to_hva_many(ghc->memslot, start_gfn,
+                                                   &nr_pages_avail);
+                        if (kvm_is_error_hva(ghc->hva))
+                                return -EFAULT;
+                        start_gfn += nr_pages_avail;
+                }
+                /* Use the slow path for cross page reads and writes. */
+                ghc->memslot = NULL;
+        }
         return 0;
 }
 EXPORT_SYMBOL_GPL(kvm_gfn_to_hva_cache_init);
@@ -1566,8 +1583,13 @@ int kvm_write_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
         struct kvm_memslots *slots = kvm_memslots(kvm);
         int r;
 
+        BUG_ON(len > ghc->len);
+
         if (slots->generation != ghc->generation)
-                kvm_gfn_to_hva_cache_init(kvm, ghc, ghc->gpa);
+                kvm_gfn_to_hva_cache_init(kvm, ghc, ghc->gpa, ghc->len);
+
+        if (unlikely(!ghc->memslot))
+                return kvm_write_guest(kvm, ghc->gpa, data, len);
 
         if (kvm_is_error_hva(ghc->hva))
                 return -EFAULT;
@@ -1587,8 +1609,13 @@ int kvm_read_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
         struct kvm_memslots *slots = kvm_memslots(kvm);
         int r;
 
+        BUG_ON(len > ghc->len);
+
         if (slots->generation != ghc->generation)
-                kvm_gfn_to_hva_cache_init(kvm, ghc, ghc->gpa);
+                kvm_gfn_to_hva_cache_init(kvm, ghc, ghc->gpa, ghc->len);
+
+        if (unlikely(!ghc->memslot))
+                return kvm_read_guest(kvm, ghc->gpa, data, len);
 
         if (kvm_is_error_hva(ghc->hva))
                 return -EFAULT;