Merge branch 'tip/perf/urgent-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/urgent

author: Ingo Molnar <mingo@elte.hu> 2012-01-17 03:51:46 -0500
committer: Ingo Molnar <mingo@elte.hu> 2012-01-17 03:51:46 -0500
commit: 6eadf1075c6f923fece419e38cf05bff559aefcd (patch)
tree: b743ce0a3743d6f1b915b19b077a6d5bad980ea1
parent: a1c611745c8c4e8996c1877d4e5d0fc95f227c38 (diff)
parent: c10076c4304083af15a41f6bc5e657e781c1f9a6 (diff)
153 files changed, 938 insertions, 535 deletions
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
index 7945b0bd35e2..e2a4b5287361 100644
--- a/Documentation/virtual/kvm/api.txt
+++ b/Documentation/virtual/kvm/api.txt
@@ -1100,6 +1100,15 @@ emulate them efficiently. The fields in each entry are defined as follows:
   eax, ebx, ecx, edx: the values returned by the cpuid instruction for
         this function/index combination
+The TSC deadline timer feature (CPUID leaf 1, ecx[24]) is always returned
+as false, since the feature depends on KVM_CREATE_IRQCHIP for local APIC
+support.  Instead it is reported via
+  ioctl(KVM_CHECK_EXTENSION, KVM_CAP_TSC_DEADLINE_TIMER)
+if that returns true and you use KVM_CREATE_IRQCHIP, or if you emulate the
+feature in userspace, then you can enable the feature for KVM_SET_CPUID2.
 4.47 KVM_PPC_GET_PVINFO
 Capability: KVM_CAP_PPC_GET_PVINFO
@@ -1151,6 +1160,13 @@ following flags are specified:
 /* Depends on KVM_CAP_IOMMU */
 #define KVM_DEV_ASSIGN_ENABLE_IOMMU     (1 << 0)
+The KVM_DEV_ASSIGN_ENABLE_IOMMU flag is a mandatory option to ensure
+isolation of the device.  Usages not specifying this flag are deprecated.
+Only PCI header type 0 devices with PCI BAR resources are supported by
+device assignment.  The user requesting this ioctl must have read/write
+access to the PCI sysfs resource files associated with the device.
 4.49 KVM_DEASSIGN_PCI_DEVICE
 Capability: KVM_CAP_DEVICE_DEASSIGNMENT
diff --git a/MAINTAINERS b/MAINTAINERS
index 6afba60c3904..62f1cd357ddf 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1698,11 +1698,9 @@ F:	arch/x86/include/asm/tce.h
 CAN NETWORK LAYER
 M:      Oliver Hartkopp <socketcan@hartkopp.net>
-M:      Oliver Hartkopp <oliver.hartkopp@volkswagen.de>
-M:      Urs Thuermann <urs.thuermann@volkswagen.de>
 L:      linux-can@vger.kernel.org
-L:      netdev@vger.kernel.org
+W:      http://gitorious.org/linux-can
-W:      http://developer.berlios.de/projects/socketcan/
+T:      git git://gitorious.org/linux-can/linux-can-next.git
 S:      Maintained
 F:      net/can/
 F:      include/linux/can.h
@@ -1713,9 +1711,10 @@ F:	include/linux/can/gw.h
 CAN NETWORK DRIVERS
 M:      Wolfgang Grandegger <wg@grandegger.com>
+M:      Marc Kleine-Budde <mkl@pengutronix.de>
 L:      linux-can@vger.kernel.org
-L:      netdev@vger.kernel.org
+W:      http://gitorious.org/linux-can
-W:      http://developer.berlios.de/projects/socketcan/
+T:      git git://gitorious.org/linux-can/linux-can-next.git
 S:      Maintained
 F:      drivers/net/can/
 F:      include/linux/can/dev.h
@@ -2700,7 +2699,7 @@ FIREWIRE SUBSYSTEM
 M:      Stefan Richter <stefanr@s5r6.in-berlin.de>
 L:      linux1394-devel@lists.sourceforge.net
 W:      http://ieee1394.wiki.kernel.org/
-T:      git git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6.git
+T:      git git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394.git
 S:      Maintained
 F:      drivers/firewire/
 F:      include/linux/firewire*.h
diff --git a/Makefile b/Makefile
index a43733df3978..adddd11c3b3b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 2
 SUBLEVEL = 0
-EXTRAVERSION = -rc6
+EXTRAVERSION =
 NAME = Saber-toothed Squirrel
 # *DOCUMENTATION*
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 776d76b8cb69..b259c7c644e3 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1246,7 +1246,7 @@ config PL310_ERRATA_588369
 config ARM_ERRATA_720789
        bool "ARM errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID"
-        depends on CPU_V7 && SMP
+        depends on CPU_V7
        help
          This option enables the workaround for the 720789 Cortex-A9 (prior to
          r2p0) erratum. A faulty ASID can be sent to the other CPUs for the
@@ -1282,7 +1282,7 @@ config ARM_ERRATA_743622
 config ARM_ERRATA_751472
        bool "ARM errata: Interrupted ICIALLUIS may prevent completion of broadcasted operation"
-        depends on CPU_V7 && SMP
+        depends on CPU_V7
        help
          This option enables the workaround for the 751472 Cortex-A9 (prior
          to r3p0) erratum. An interrupted ICIALLUIS operation may prevent the
diff --git a/arch/arm/common/pl330.c b/arch/arm/common/pl330.c
index f407a6b35d3d..8d8df744f7a5 100644
--- a/arch/arm/common/pl330.c
+++ b/arch/arm/common/pl330.c
@@ -221,17 +221,6 @@
 */
 #define MCODE_BUFF_PER_REQ      256
-/*
- * Mark a _pl330_req as free.
- * We do it by writing DMAEND as the first instruction
- * because no valid request is going to have DMAEND as
- * its first instruction to execute.
- */
-#define MARK_FREE(req)  do { \
-                                _emit_END(0, (req)->mc_cpu); \
-                                (req)->mc_len = 0; \
-                        } while (0)
 /* If the _pl330_req is available to the client */
 #define IS_FREE(req)    (*((u8 *)((req)->mc_cpu)) == CMD_DMAEND)
@@ -301,8 +290,10 @@ struct pl330_thread {
        struct pl330_dmac *dmac;
        /* Only two at a time */
        struct _pl330_req req[2];
-        /* Index of the last submitted request */
+        /* Index of the last enqueued request */
        unsigned lstenq;
+        /* Index of the last submitted request or -1 if the DMA is stopped */
+        int req_running;
 };
 enum pl330_dmac_state {
@@ -778,6 +769,22 @@ static inline void _execute_DBGINSN(struct pl330_thread *thrd,
        writel(0, regs + DBGCMD);
 }
+/*
+ * Mark a _pl330_req as free.
+ * We do it by writing DMAEND as the first instruction
+ * because no valid request is going to have DMAEND as
+ * its first instruction to execute.
+ */
+static void mark_free(struct pl330_thread *thrd, int idx)
+{
+        struct _pl330_req *req = &thrd->req[idx];
+        _emit_END(0, req->mc_cpu);
+        req->mc_len = 0;
+        thrd->req_running = -1;
+}
 static inline u32 _state(struct pl330_thread *thrd)
 {
        void __iomem *regs = thrd->dmac->pinfo->base;
@@ -836,31 +843,6 @@ static inline u32 _state(struct pl330_thread *thrd)
        }
 }
-/* If the request 'req' of thread 'thrd' is currently active */
-static inline bool _req_active(struct pl330_thread *thrd,
-                struct _pl330_req *req)
-{
-        void __iomem *regs = thrd->dmac->pinfo->base;
-        u32 buf = req->mc_bus, pc = readl(regs + CPC(thrd->id));
-        if (IS_FREE(req))
-                return false;
-        return (pc >= buf && pc <= buf + req->mc_len) ? true : false;
-}
-/* Returns 0 if the thread is inactive, ID of active req + 1 otherwise */
-static inline unsigned _thrd_active(struct pl330_thread *thrd)
-{
-        if (_req_active(thrd, &thrd->req[0]))
-                return 1; /* First req active */
-        if (_req_active(thrd, &thrd->req[1]))
-                return 2; /* Second req active */
-        return 0;
-}
 static void _stop(struct pl330_thread *thrd)
 {
        void __iomem *regs = thrd->dmac->pinfo->base;
@@ -892,17 +874,22 @@ static bool _trigger(struct pl330_thread *thrd)
        struct _arg_GO go;
        unsigned ns;
        u8 insn[6] = {0, 0, 0, 0, 0, 0};
+        int idx;
        /* Return if already ACTIVE */
        if (_state(thrd) != PL330_STATE_STOPPED)
                return true;
-        if (!IS_FREE(&thrd->req[1 - thrd->lstenq]))
+        idx = 1 - thrd->lstenq;
-                req = &thrd->req[1 - thrd->lstenq];
+        if (!IS_FREE(&thrd->req[idx]))
-        else if (!IS_FREE(&thrd->req[thrd->lstenq]))
+                req = &thrd->req[idx];
-                req = &thrd->req[thrd->lstenq];
+        else {
-        else
+                idx = thrd->lstenq;
-                req = NULL;
+                if (!IS_FREE(&thrd->req[idx]))
+                        req = &thrd->req[idx];
+                else
+                        req = NULL;
+        }
        /* Return if no request */
        if (!req || !req->r)
@@ -933,6 +920,8 @@ static bool _trigger(struct pl330_thread *thrd)
        /* Only manager can execute GO */
        _execute_DBGINSN(thrd, insn, true);
+        thrd->req_running = idx;
        return true;
 }
@@ -1382,8 +1371,8 @@ static void pl330_dotask(unsigned long data)
                        thrd->req[0].r = NULL;
                        thrd->req[1].r = NULL;
-                        MARK_FREE(&thrd->req[0]);
+                        mark_free(thrd, 0);
-                        MARK_FREE(&thrd->req[1]);
+                        mark_free(thrd, 1);
                        /* Clear the reset flag */
                        pl330->dmac_tbd.reset_chan &= ~(1 << i);
@@ -1461,14 +1450,12 @@ int pl330_update(const struct pl330_info *pi)
                        thrd = &pl330->channels[id];
-                        active = _thrd_active(thrd);
+                        active = thrd->req_running;
-                        if (!active) /* Aborted */
+                        if (active == -1) /* Aborted */
                                continue;
-                        active -= 1;
                        rqdone = &thrd->req[active];
-                        MARK_FREE(rqdone);
+                        mark_free(thrd, active);
                        /* Get going again ASAP */
                        _start(thrd);
@@ -1509,7 +1496,7 @@ int pl330_chan_ctrl(void *ch_id, enum pl330_chan_op op)
        struct pl330_thread *thrd = ch_id;
        struct pl330_dmac *pl330;
        unsigned long flags;
-        int ret = 0, active;
+        int ret = 0, active = thrd->req_running;
        if (!thrd || thrd->free || thrd->dmac->state == DYING)
                return -EINVAL;
@@ -1525,28 +1512,24 @@ int pl330_chan_ctrl(void *ch_id, enum pl330_chan_op op)
                thrd->req[0].r = NULL;
                thrd->req[1].r = NULL;
-                MARK_FREE(&thrd->req[0]);
+                mark_free(thrd, 0);
-                MARK_FREE(&thrd->req[1]);
+                mark_free(thrd, 1);
                break;
        case PL330_OP_ABORT:
-                active = _thrd_active(thrd);
                /* Make sure the channel is stopped */
                _stop(thrd);
                /* ABORT is only for the active req */
-                if (!active)
+                if (active == -1)
                        break;
-                active--;
                thrd->req[active].r = NULL;
-                MARK_FREE(&thrd->req[active]);
+                mark_free(thrd, active);
                /* Start the next */
        case PL330_OP_START:
-                if (!_thrd_active(thrd) && !_start(thrd))
+                if ((active == -1) && !_start(thrd))
                        ret = -EIO;
                break;
@@ -1587,14 +1570,13 @@ int pl330_chan_status(void *ch_id, struct pl330_chanstatus *pstatus)
        else
                pstatus->faulting = false;
-        active = _thrd_active(thrd);
+        active = thrd->req_running;
-        if (!active) {
+        if (active == -1) {
                /* Indicate that the thread is not running */
                pstatus->top_req = NULL;
                pstatus->wait_req = NULL;
        } else {
-                active--;
                pstatus->top_req = thrd->req[active].r;
                pstatus->wait_req = !IS_FREE(&thrd->req[1 - active])
                                        ? thrd->req[1 - active].r : NULL;
@@ -1659,9 +1641,9 @@ void *pl330_request_channel(const struct pl330_info *pi)
                                thrd->free = false;
                                thrd->lstenq = 1;
                                thrd->req[0].r = NULL;
-                                MARK_FREE(&thrd->req[0]);
+                                mark_free(thrd, 0);
                                thrd->req[1].r = NULL;
-                                MARK_FREE(&thrd->req[1]);
+                                mark_free(thrd, 1);
                                break;
                        }
                }
@@ -1767,14 +1749,14 @@ static inline void _reset_thread(struct pl330_thread *thrd)
        thrd->req[0].mc_bus = pl330->mcode_bus
                                + (thrd->id * pi->mcbufsz);
        thrd->req[0].r = NULL;
-        MARK_FREE(&thrd->req[0]);
+        mark_free(thrd, 0);
        thrd->req[1].mc_cpu = thrd->req[0].mc_cpu
                                + pi->mcbufsz / 2;
        thrd->req[1].mc_bus = thrd->req[0].mc_bus
                                + pi->mcbufsz / 2;
        thrd->req[1].r = NULL;
-        MARK_FREE(&thrd->req[1]);
+        mark_free(thrd, 1);
 }
 static int dmac_alloc_threads(struct pl330_dmac *pl330)
diff --git a/arch/arm/configs/imx_v4_v5_defconfig b/arch/arm/configs/imx_v4_v5_defconfig
index 11a4192197c8..cf497ce41dfe 100644
--- a/arch/arm/configs/imx_v4_v5_defconfig
+++ b/arch/arm/configs/imx_v4_v5_defconfig
@@ -18,9 +18,10 @@ CONFIG_ARCH_MXC=y
 CONFIG_ARCH_IMX_V4_V5=y
 CONFIG_ARCH_MX1ADS=y
 CONFIG_MACH_SCB9328=y
+CONFIG_MACH_APF9328=y
 CONFIG_MACH_MX21ADS=y
 CONFIG_MACH_MX25_3DS=y
-CONFIG_MACH_EUKREA_CPUIMX25=y
+CONFIG_MACH_EUKREA_CPUIMX25SD=y
 CONFIG_MACH_MX27ADS=y
 CONFIG_MACH_PCM038=y
 CONFIG_MACH_CPUIMX27=y
@@ -72,17 +73,16 @@ CONFIG_MTD_CFI_GEOMETRY=y
 CONFIG_MTD_CFI_INTELEXT=y
 CONFIG_MTD_PHYSMAP=y
 CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_MXC=y
 CONFIG_MTD_UBI=y
 CONFIG_MISC_DEVICES=y
 CONFIG_EEPROM_AT24=y
 CONFIG_EEPROM_AT25=y
 CONFIG_NETDEVICES=y
-CONFIG_NET_ETHERNET=y
-CONFIG_SMC91X=y
 CONFIG_DM9000=y
+CONFIG_SMC91X=y
 CONFIG_SMC911X=y
-# CONFIG_NETDEV_1000 is not set
+CONFIG_SMSC_PHY=y
-# CONFIG_NETDEV_10000 is not set
 # CONFIG_INPUT_MOUSEDEV is not set
 CONFIG_INPUT_EVDEV=y
 # CONFIG_INPUT_KEYBOARD is not set
@@ -100,6 +100,7 @@ CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_IMX=y
 CONFIG_SPI=y
 CONFIG_SPI_IMX=y
+CONFIG_SPI_SPIDEV=y
 CONFIG_W1=y
 CONFIG_W1_MASTER_MXC=y
 CONFIG_W1_SLAVE_THERM=y
@@ -139,6 +140,7 @@ CONFIG_MMC=y
 CONFIG_MMC_MXC=y
 CONFIG_NEW_LEDS=y
 CONFIG_LEDS_CLASS=y
+CONFIG_LEDS_GPIO=y
 CONFIG_LEDS_MC13783=y
 CONFIG_LEDS_TRIGGERS=y
 CONFIG_LEDS_TRIGGER_TIMER=y
diff --git a/arch/arm/mach-exynos/cpu.c b/arch/arm/mach-exynos/cpu.c
index 90ec247f3b37..cc8d4bd6d0f7 100644
--- a/arch/arm/mach-exynos/cpu.c
+++ b/arch/arm/mach-exynos/cpu.c
@@ -111,11 +111,6 @@ static struct map_desc exynos4_iodesc[] __initdata = {
                .length         = SZ_4K,
                .type           = MT_DEVICE,
        }, {
-                .virtual        = (unsigned long)S5P_VA_SROMC,
-                .pfn            = __phys_to_pfn(EXYNOS4_PA_SROMC),
-                .length         = SZ_4K,
-                .type           = MT_DEVICE,
-        }, {
                .virtual        = (unsigned long)S3C_VA_USB_HSPHY,
                .pfn            = __phys_to_pfn(EXYNOS4_PA_HSPHY),
                .length         = SZ_4K,
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index c44aa974e79c..0e6f1af260b6 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -132,7 +132,7 @@ config MACH_MX25_3DS
        select IMX_HAVE_PLATFORM_MXC_NAND
        select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
-config MACH_EUKREA_CPUIMX25
+config MACH_EUKREA_CPUIMX25SD
        bool "Support Eukrea CPUIMX25 Platform"
        select SOC_IMX25
        select IMX_HAVE_PLATFORM_FLEXCAN
@@ -148,7 +148,7 @@ config MACH_EUKREA_CPUIMX25
 choice
        prompt "Baseboard"
-        depends on MACH_EUKREA_CPUIMX25
+        depends on MACH_EUKREA_CPUIMX25SD
        default MACH_EUKREA_MBIMXSD25_BASEBOARD
 config MACH_EUKREA_MBIMXSD25_BASEBOARD
@@ -542,7 +542,7 @@ config MACH_MX35_3DS
          Include support for MX35PDK platform. This includes specific
          configurations for the board and its peripherals.
-config MACH_EUKREA_CPUIMX35
+config MACH_EUKREA_CPUIMX35SD
        bool "Support Eukrea CPUIMX35 Platform"
        select SOC_IMX35
        select IMX_HAVE_PLATFORM_FLEXCAN
@@ -560,7 +560,7 @@ config MACH_EUKREA_CPUIMX35
 choice
        prompt "Baseboard"
-        depends on MACH_EUKREA_CPUIMX35
+        depends on MACH_EUKREA_CPUIMX35SD
        default MACH_EUKREA_MBIMXSD35_BASEBOARD
 config MACH_EUKREA_MBIMXSD35_BASEBOARD
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index aba73214c2a8..d97f409ce98b 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -24,7 +24,7 @@ obj-$(CONFIG_MACH_MX21ADS) += mach-mx21ads.o
 # i.MX25 based machines
 obj-$(CONFIG_MACH_MX25_3DS) += mach-mx25_3ds.o
-obj-$(CONFIG_MACH_EUKREA_CPUIMX25) += mach-eukrea_cpuimx25.o
+obj-$(CONFIG_MACH_EUKREA_CPUIMX25SD) += mach-eukrea_cpuimx25.o
 obj-$(CONFIG_MACH_EUKREA_MBIMXSD25_BASEBOARD) += eukrea_mbimxsd25-baseboard.o
 # i.MX27 based machines
@@ -57,7 +57,7 @@ obj-$(CONFIG_MACH_BUG) += mach-bug.o
 # i.MX35 based machines
 obj-$(CONFIG_MACH_PCM043) += mach-pcm043.o
 obj-$(CONFIG_MACH_MX35_3DS) += mach-mx35_3ds.o
-obj-$(CONFIG_MACH_EUKREA_CPUIMX35) += mach-cpuimx35.o
+obj-$(CONFIG_MACH_EUKREA_CPUIMX35SD) += mach-cpuimx35.o
 obj-$(CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD) += eukrea_mbimxsd35-baseboard.o
 obj-$(CONFIG_MACH_VPR200) += mach-vpr200.o
diff --git a/arch/arm/mach-imx/clock-imx35.c b/arch/arm/mach-imx/clock-imx35.c
index 8116f119517d..ac8238caecb9 100644
--- a/arch/arm/mach-imx/clock-imx35.c
+++ b/arch/arm/mach-imx/clock-imx35.c
@@ -507,7 +507,7 @@ static struct clk_lookup lookups[] = {
 int __init mx35_clocks_init()
 {
-        unsigned int cgr2 = 3 << 26, cgr3 = 0;
+        unsigned int cgr2 = 3 << 26;
 #if defined(CONFIG_DEBUG_LL) && !defined(CONFIG_DEBUG_ICEDCC)
        cgr2 |= 3 << 16;
@@ -521,6 +521,12 @@ int __init mx35_clocks_init()
        __raw_writel((3 << 18), CCM_BASE + CCM_CGR0);
        __raw_writel((3 << 2) | (3 << 4) | (3 << 6) | (3 << 8) | (3 << 16),
                        CCM_BASE + CCM_CGR1);
+        __raw_writel(cgr2, CCM_BASE + CCM_CGR2);
+        __raw_writel(0, CCM_BASE + CCM_CGR3);
+        clk_enable(&iim_clk);
+        imx_print_silicon_rev("i.MX35", mx35_revision());
+        clk_disable(&iim_clk);
        /*
         * Check if we came up in internal boot mode. If yes, we need some
@@ -529,17 +535,11 @@ int __init mx35_clocks_init()
         */
        if (!(__raw_readl(CCM_BASE + CCM_RCSR) & (3 << 10))) {
                /* Additionally turn on UART1, SCC, and IIM clocks */
-                cgr2 |= 3 << 16 | 3 << 4;
+                clk_enable(&iim_clk);
-                cgr3 |= 3 << 2;
+                clk_enable(&uart1_clk);
+                clk_enable(&scc_clk);
        }
-        __raw_writel(cgr2, CCM_BASE + CCM_CGR2);
-        __raw_writel(cgr3, CCM_BASE + CCM_CGR3);
-        clk_enable(&iim_clk);
-        imx_print_silicon_rev("i.MX35", mx35_revision());
-        clk_disable(&iim_clk);
 #ifdef CONFIG_MXC_USE_EPIT
        epit_timer_init(&epit1_clk,
                        MX35_IO_ADDRESS(MX35_EPIT1_BASE_ADDR), MX35_INT_EPIT1);
diff --git a/arch/arm/mach-imx/mach-cpuimx35.c b/arch/arm/mach-imx/mach-cpuimx35.c
index 66af2e8f7e57..362aae780601 100644
--- a/arch/arm/mach-imx/mach-cpuimx35.c
+++ b/arch/arm/mach-imx/mach-cpuimx35.c
@@ -53,12 +53,18 @@ static const struct imxi2c_platform_data
        .bitrate =              100000,
 };
+#define TSC2007_IRQGPIO         IMX_GPIO_NR(3, 2)
+static int tsc2007_get_pendown_state(void)
+{
+        return !gpio_get_value(TSC2007_IRQGPIO);
+}
 static struct tsc2007_platform_data tsc2007_info = {
        .model                  = 2007,
        .x_plate_ohms           = 180,
+        .get_pendown_state = tsc2007_get_pendown_state,
 };
-#define TSC2007_IRQGPIO         IMX_GPIO_NR(3, 2)
 static struct i2c_board_info eukrea_cpuimx35_i2c_devices[] = {
        {
                I2C_BOARD_INFO("pcf8563", 0x51),
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index 7f8915ad5099..eef43e2e163e 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -3247,18 +3247,14 @@ static __initdata struct omap_hwmod *omap3xxx_hwmods[] = {
 /* 3430ES1-only hwmods */
 static __initdata struct omap_hwmod *omap3430es1_hwmods[] = {
-        &omap3xxx_iva_hwmod,
        &omap3430es1_dss_core_hwmod,
-        &omap3xxx_mailbox_hwmod,
        NULL
 };
 /* 3430ES2+-only hwmods */
 static __initdata struct omap_hwmod *omap3430es2plus_hwmods[] = {
-        &omap3xxx_iva_hwmod,
        &omap3xxx_dss_core_hwmod,
        &omap3xxx_usbhsotg_hwmod,
-        &omap3xxx_mailbox_hwmod,
        NULL
 };
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 2c559ac38142..e70a73731eaa 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -363,11 +363,13 @@ __v7_setup:
        orreq   r10, r10, #1 << 6               @ set bit #6
        mcreq   p15, 0, r10, c15, c0, 1         @ write diagnostic register
 #endif
-#ifdef CONFIG_ARM_ERRATA_751472
+#if defined(CONFIG_ARM_ERRATA_751472) && defined(CONFIG_SMP)
-        cmp     r6, #0x30                       @ present prior to r3p0
+        ALT_SMP(cmp r6, #0x30)                  @ present prior to r3p0
+        ALT_UP_B(1f)
        mrclt   p15, 0, r10, c15, c0, 1         @ read diagnostic register
        orrlt   r10, r10, #1 << 11              @ set bit #11
        mcrlt   p15, 0, r10, c15, c0, 1         @ write diagnostic register
+1:
 #endif
 3:      mov     r10, #0
diff --git a/arch/arm/plat-mxc/cpufreq.c b/arch/arm/plat-mxc/cpufreq.c
index adbff706ef6f..73db34bf588a 100644
--- a/arch/arm/plat-mxc/cpufreq.c
+++ b/arch/arm/plat-mxc/cpufreq.c
@@ -98,7 +98,7 @@ static int mxc_set_target(struct cpufreq_policy *policy,
        return ret;
 }
-static int __init mxc_cpufreq_init(struct cpufreq_policy *policy)
+static int mxc_cpufreq_init(struct cpufreq_policy *policy)
 {
        int ret;
        int i;
diff --git a/arch/arm/plat-mxc/include/mach/uncompress.h b/arch/arm/plat-mxc/include/mach/uncompress.h
index 88fd40452567..477971b00930 100644
--- a/arch/arm/plat-mxc/include/mach/uncompress.h
+++ b/arch/arm/plat-mxc/include/mach/uncompress.h
@@ -98,6 +98,7 @@ static __inline__ void __arch_decomp_setup(unsigned long arch_id)
        case MACH_TYPE_PCM043:
        case MACH_TYPE_LILLY1131:
        case MACH_TYPE_VPR200:
+        case MACH_TYPE_EUKREA_CPUIMX35SD:
                uart_base = MX3X_UART1_BASE_ADDR;
                break;
        case MACH_TYPE_MAGX_ZN5:
diff --git a/arch/arm/plat-mxc/pwm.c b/arch/arm/plat-mxc/pwm.c
index 845de59f07ed..e032717f7d02 100644
--- a/arch/arm/plat-mxc/pwm.c
+++ b/arch/arm/plat-mxc/pwm.c
@@ -77,6 +77,15 @@ int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
                do_div(c, period_ns);
                duty_cycles = c;
+                /*
+                 * according to imx pwm RM, the real period value should be
+                 * PERIOD value in PWMPR plus 2.
+                 */
+                if (period_cycles > 2)
+                        period_cycles -= 2;
+                else
+                        period_cycles = 0;
                writel(duty_cycles, pwm->mmio_base + MX3_PWMSAR);
                writel(period_cycles, pwm->mmio_base + MX3_PWMPR);
diff --git a/arch/arm/plat-orion/gpio.c b/arch/arm/plat-orion/gpio.c
index 41ab97ebe4cf..10d160888133 100644
--- a/arch/arm/plat-orion/gpio.c
+++ b/arch/arm/plat-orion/gpio.c
@@ -384,12 +384,16 @@ void __init orion_gpio_init(int gpio_base, int ngpio,
        struct orion_gpio_chip *ochip;
        struct irq_chip_generic *gc;
        struct irq_chip_type *ct;
+        char gc_label[16];
        if (orion_gpio_chip_count == ARRAY_SIZE(orion_gpio_chips))
                return;
+        snprintf(gc_label, sizeof(gc_label), "orion_gpio%d",
+                orion_gpio_chip_count);
        ochip = orion_gpio_chips + orion_gpio_chip_count;
-        ochip->chip.label = "orion_gpio";
+        ochip->chip.label = kstrdup(gc_label, GFP_KERNEL);
        ochip->chip.request = orion_gpio_request;
        ochip->chip.direction_input = orion_gpio_direction_input;
        ochip->chip.get = orion_gpio_get;
diff --git a/arch/arm/plat-samsung/include/plat/cpu-freq-core.h b/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
index dac4760c0f0a..95509d8eb140 100644
--- a/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
+++ b/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
@@ -202,14 +202,6 @@ extern int s3c_plltab_register(struct cpufreq_frequency_table *plls,
 extern struct s3c_cpufreq_config *s3c_cpufreq_getconfig(void);
 extern struct s3c_iotimings *s3c_cpufreq_getiotimings(void);
-extern void s3c2410_iotiming_debugfs(struct seq_file *seq,
-                                     struct s3c_cpufreq_config *cfg,
-                                     union s3c_iobank *iob);
-extern void s3c2412_iotiming_debugfs(struct seq_file *seq,
-                                     struct s3c_cpufreq_config *cfg,
-                                     union s3c_iobank *iob);
 #ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUGFS
 #define s3c_cpufreq_debugfs_call(x) x
 #else
@@ -226,6 +218,10 @@ extern void s3c2410_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg);
 extern void s3c2410_set_fvco(struct s3c_cpufreq_config *cfg);
 #ifdef CONFIG_S3C2410_IOTIMING
+extern void s3c2410_iotiming_debugfs(struct seq_file *seq,
+                                     struct s3c_cpufreq_config *cfg,
+                                     union s3c_iobank *iob);
 extern int s3c2410_iotiming_calc(struct s3c_cpufreq_config *cfg,
                                 struct s3c_iotimings *iot);
@@ -235,6 +231,7 @@ extern int s3c2410_iotiming_get(struct s3c_cpufreq_config *cfg,
 extern void s3c2410_iotiming_set(struct s3c_cpufreq_config *cfg,
                                 struct s3c_iotimings *iot);
 #else
+#define s3c2410_iotiming_debugfs NULL
 #define s3c2410_iotiming_calc NULL
 #define s3c2410_iotiming_get NULL
 #define s3c2410_iotiming_set NULL
@@ -242,8 +239,10 @@ extern void s3c2410_iotiming_set(struct s3c_cpufreq_config *cfg,
 /* S3C2412 compatible routines */
-extern int s3c2412_iotiming_get(struct s3c_cpufreq_config *cfg,
+#ifdef CONFIG_S3C2412_IOTIMING
-                                struct s3c_iotimings *timings);
+extern void s3c2412_iotiming_debugfs(struct seq_file *seq,
+                                     struct s3c_cpufreq_config *cfg,
+                                     union s3c_iobank *iob);
 extern int s3c2412_iotiming_get(struct s3c_cpufreq_config *cfg,
                                struct s3c_iotimings *timings);
@@ -253,6 +252,12 @@ extern int s3c2412_iotiming_calc(struct s3c_cpufreq_config *cfg,
 extern void s3c2412_iotiming_set(struct s3c_cpufreq_config *cfg,
                                 struct s3c_iotimings *iot);
+#else
+#define s3c2412_iotiming_debugfs NULL
+#define s3c2412_iotiming_calc NULL
+#define s3c2412_iotiming_get NULL
+#define s3c2412_iotiming_set NULL
+#endif /* CONFIG_S3C2412_IOTIMING */
 #ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUG
 #define s3c_freq_dbg(x...) printk(KERN_INFO x)
diff --git a/arch/ia64/include/asm/cputime.h b/arch/ia64/include/asm/cputime.h
index 6073b187528a..5a274af31b2b 100644
--- a/arch/ia64/include/asm/cputime.h
+++ b/arch/ia64/include/asm/cputime.h
@@ -60,6 +60,7 @@ typedef u64 cputime64_t;
 */
 #define cputime_to_usecs(__ct)          ((__ct) / NSEC_PER_USEC)
 #define usecs_to_cputime(__usecs)       ((__usecs) * NSEC_PER_USEC)
+#define usecs_to_cputime64(__usecs)     usecs_to_cputime(__usecs)
 /*
 * Convert cputime <-> seconds
diff --git a/arch/powerpc/include/asm/cputime.h b/arch/powerpc/include/asm/cputime.h
index 1cf20bdfbeca..98b7c4b49c9d 100644
--- a/arch/powerpc/include/asm/cputime.h
+++ b/arch/powerpc/include/asm/cputime.h
@@ -150,6 +150,8 @@ static inline cputime_t usecs_to_cputime(const unsigned long us)
        return ct;
 }
+#define usecs_to_cputime64(us)          usecs_to_cputime(us)
 /*
 * Convert cputime <-> seconds
 */
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index d4df013ad779..69c7377d2071 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -381,39 +381,6 @@ static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
 }
 #endif
-static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r,
-                                             unsigned long pte_index)
-{
-        unsigned long rb, va_low;
-        rb = (v & ~0x7fUL) << 16;               /* AVA field */
-        va_low = pte_index >> 3;
-        if (v & HPTE_V_SECONDARY)
-                va_low = ~va_low;
-        /* xor vsid from AVA */
-        if (!(v & HPTE_V_1TB_SEG))
-                va_low ^= v >> 12;
-        else
-                va_low ^= v >> 24;
-        va_low &= 0x7ff;
-        if (v & HPTE_V_LARGE) {
-                rb |= 1;                        /* L field */
-                if (cpu_has_feature(CPU_FTR_ARCH_206) &&
-                    (r & 0xff000)) {
-                        /* non-16MB large page, must be 64k */
-                        /* (masks depend on page size) */
-                        rb |= 0x1000;           /* page encoding in LP field */
-                        rb |= (va_low & 0x7f) << 16; /* 7b of VA in AVA/LP field */
-                        rb |= (va_low & 0xfe);  /* AVAL field (P7 doesn't seem to care) */
-                }
-        } else {
-                /* 4kB page */
-                rb |= (va_low & 0x7ff) << 12;   /* remaining 11b of VA */
-        }
-        rb |= (v >> 54) & 0x300;                /* B field */
-        return rb;
-}
 /* Magic register values loaded into r3 and r4 before the 'sc' assembly
 * instruction for the OSI hypercalls */
 #define OSI_SC_MAGIC_R3                 0x113724FA
diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h
index e43fe42b9875..d0ac94f98f9e 100644
--- a/arch/powerpc/include/asm/kvm_book3s_64.h
+++ b/arch/powerpc/include/asm/kvm_book3s_64.h
@@ -29,4 +29,37 @@ static inline struct kvmppc_book3s_shadow_vcpu *to_svcpu(struct kvm_vcpu *vcpu)
 #define SPAPR_TCE_SHIFT         12
+static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r,
+                                             unsigned long pte_index)
+{
+        unsigned long rb, va_low;
+        rb = (v & ~0x7fUL) << 16;               /* AVA field */
+        va_low = pte_index >> 3;
+        if (v & HPTE_V_SECONDARY)
+                va_low = ~va_low;
+        /* xor vsid from AVA */
+        if (!(v & HPTE_V_1TB_SEG))
+                va_low ^= v >> 12;
+        else
+                va_low ^= v >> 24;
+        va_low &= 0x7ff;
+        if (v & HPTE_V_LARGE) {
+                rb |= 1;                        /* L field */
+                if (cpu_has_feature(CPU_FTR_ARCH_206) &&
+                    (r & 0xff000)) {
+                        /* non-16MB large page, must be 64k */
+                        /* (masks depend on page size) */
+                        rb |= 0x1000;           /* page encoding in LP field */
+                        rb |= (va_low & 0x7f) << 16; /* 7b of VA in AVA/LP field */
+                        rb |= (va_low & 0xfe);  /* AVAL field (P7 doesn't seem to care) */
+                }
+        } else {
+                /* 4kB page */
+                rb |= (va_low & 0x7ff) << 12;   /* remaining 11b of VA */
+        }
+        rb |= (v >> 54) & 0x300;                /* B field */
+        return rb;
+}
 #endif /* __ASM_KVM_BOOK3S_64_H__ */
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 0cb137a9b038..336983da9e72 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -538,7 +538,7 @@ static void kvmppc_start_thread(struct kvm_vcpu *vcpu)
        tpaca->kvm_hstate.napping = 0;
        vcpu->cpu = vc->pcpu;
        smp_wmb();
-#ifdef CONFIG_PPC_ICP_NATIVE
+#if defined(CONFIG_PPC_ICP_NATIVE) && defined(CONFIG_SMP)
        if (vcpu->arch.ptid) {
                tpaca->cpu_start = 0x80;
                wmb();
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index 3c791e1eb675..e2cfb9e1e20e 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -658,10 +658,12 @@ program_interrupt:
                        ulong cmd = kvmppc_get_gpr(vcpu, 3);
                        int i;
+#ifdef CONFIG_KVM_BOOK3S_64_PR
                        if (kvmppc_h_pr(vcpu, cmd) == EMULATE_DONE) {
                                r = RESUME_GUEST;
                                break;
                        }
+#endif
                        run->papr_hcall.nr = cmd;
                        for (i = 0; i < 9; ++i) {
diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c
index 26d20903f2bc..8c0d45a6faf7 100644
--- a/arch/powerpc/kvm/e500.c
+++ b/arch/powerpc/kvm/e500.c
@@ -15,6 +15,7 @@
 #include <linux/kvm_host.h>
 #include <linux/slab.h>
 #include <linux/err.h>
+#include <linux/export.h>
 #include <asm/reg.h>
 #include <asm/cputable.h>
diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h
index 081434878296..b9acaaa175d8 100644
--- a/arch/s390/include/asm/cputime.h
+++ b/arch/s390/include/asm/cputime.h
@@ -87,6 +87,8 @@ usecs_to_cputime(const unsigned int m)
        return (cputime_t) m * 4096;
 }
+#define usecs_to_cputime64(m)           usecs_to_cputime(m)
 /*
 * Convert cputime to milliseconds and back.
 */
diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c
index b272cda35a01..af5755d20fbe 100644
--- a/arch/sparc/kernel/pci_sun4v.c
+++ b/arch/sparc/kernel/pci_sun4v.c
@@ -849,10 +849,10 @@ static int pci_sun4v_msiq_build_irq(struct pci_pbm_info *pbm,
        if (!irq)
                return -ENOMEM;
-        if (pci_sun4v_msiq_setstate(pbm->devhandle, msiqid, HV_MSIQSTATE_IDLE))
-                return -EINVAL;
        if (pci_sun4v_msiq_setvalid(pbm->devhandle, msiqid, HV_MSIQ_VALID))
                return -EINVAL;
+        if (pci_sun4v_msiq_setstate(pbm->devhandle, msiqid, HV_MSIQSTATE_IDLE))
+                return -EINVAL;
        return irq;
 }
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index 76e3f1cd0369..405f2620392f 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -338,11 +338,15 @@ static enum hrtimer_restart pit_timer_fn(struct hrtimer *data)
                return HRTIMER_NORESTART;
 }
-static void create_pit_timer(struct kvm_kpit_state *ps, u32 val, int is_period)
+static void create_pit_timer(struct kvm *kvm, u32 val, int is_period)
 {
+        struct kvm_kpit_state *ps = &kvm->arch.vpit->pit_state;
        struct kvm_timer *pt = &ps->pit_timer;
        s64 interval;
+        if (!irqchip_in_kernel(kvm))
+                return;
        interval = muldiv64(val, NSEC_PER_SEC, KVM_PIT_FREQ);
        pr_debug("create pit timer, interval is %llu nsec\n", interval);
@@ -394,13 +398,13 @@ static void pit_load_count(struct kvm *kvm, int channel, u32 val)
        /* FIXME: enhance mode 4 precision */
        case 4:
                if (!(ps->flags & KVM_PIT_FLAGS_HPET_LEGACY)) {
-                        create_pit_timer(ps, val, 0);
+                        create_pit_timer(kvm, val, 0);
                }
                break;
        case 2:
        case 3:
                if (!(ps->flags & KVM_PIT_FLAGS_HPET_LEGACY)){
-                        create_pit_timer(ps, val, 1);
+                        create_pit_timer(kvm, val, 1);
                }
                break;
        default:
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index c38efd7b792e..4c938da2ba00 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -602,7 +602,6 @@ static void update_cpuid(struct kvm_vcpu *vcpu)
 {
        struct kvm_cpuid_entry2 *best;
        struct kvm_lapic *apic = vcpu->arch.apic;
-        u32 timer_mode_mask;
        best = kvm_find_cpuid_entry(vcpu, 1, 0);
        if (!best)
@@ -615,15 +614,12 @@ static void update_cpuid(struct kvm_vcpu *vcpu)
                        best->ecx |= bit(X86_FEATURE_OSXSAVE);
        }
-        if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL &&
+        if (apic) {
-                best->function == 0x1) {
+                if (best->ecx & bit(X86_FEATURE_TSC_DEADLINE_TIMER))
-                best->ecx |= bit(X86_FEATURE_TSC_DEADLINE_TIMER);
+                        apic->lapic_timer.timer_mode_mask = 3 << 17;
-                timer_mode_mask = 3 << 17;
+                else
-        } else
+                        apic->lapic_timer.timer_mode_mask = 1 << 17;
-                timer_mode_mask = 1 << 17;
+        }
-        if (apic)
-                apic->lapic_timer.timer_mode_mask = timer_mode_mask;
 }
 int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
@@ -2135,6 +2131,9 @@ int kvm_dev_ioctl_check_extension(long ext)
        case KVM_CAP_TSC_CONTROL:
                r = kvm_has_tsc_control;
                break;
+        case KVM_CAP_TSC_DEADLINE_TIMER:
+                r = boot_cpu_has(X86_FEATURE_TSC_DEADLINE_TIMER);
+                break;
        default:
                r = 0;
                break;
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index bfab3fa10edc..7b65f752c5f8 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -568,8 +568,8 @@ cond_branch:			f_offset = addrs[i + filter[i].jf] - addrs[i];
                                        break;
                                }
                                if (filter[i].jt != 0) {
-                                        if (filter[i].jf)
+                                        if (filter[i].jf && f_offset)
-                                                t_offset += is_near(f_offset) ? 2 : 6;
+                                                t_offset += is_near(f_offset) ? 2 : 5;
                                        EMIT_COND_JMP(t_op, t_offset);
                                        if (filter[i].jf)
                                                EMIT_JMP(f_offset);
diff --git a/block/blk-map.c b/block/blk-map.c
index 164cd0059706..623e1cd4cffe 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -311,7 +311,7 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf,
        if (IS_ERR(bio))
                return PTR_ERR(bio);
-        if (rq_data_dir(rq) == WRITE)
+        if (!reading)
                bio->bi_rw |= REQ_WRITE;
        if (do_copy)
diff --git a/block/blk-tag.c b/block/blk-tag.c
index e74d6d13838f..4af6f5cc1167 100644
--- a/block/blk-tag.c
+++ b/block/blk-tag.c
@@ -282,18 +282,9 @@ EXPORT_SYMBOL(blk_queue_resize_tags);
 void blk_queue_end_tag(struct request_queue *q, struct request *rq)
 {
        struct blk_queue_tag *bqt = q->queue_tags;
-        int tag = rq->tag;
+        unsigned tag = rq->tag; /* negative tags invalid */
-        BUG_ON(tag == -1);
+        BUG_ON(tag >= bqt->real_max_depth);
-        if (unlikely(tag >= bqt->max_depth)) {
-                /*
-                 * This can happen after tag depth has been reduced.
-                 * But tag shouldn't be larger than real_max_depth.
-                 */
-                WARN_ON(tag >= bqt->real_max_depth);
-                return;
-        }
        list_del_init(&rq->queuelist);
        rq->cmd_flags &= ~REQ_QUEUED;
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 4c12869fcf77..3548705b04e4 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1655,6 +1655,8 @@ cfq_merged_requests(struct request_queue *q, struct request *rq,
                    struct request *next)
 {
        struct cfq_queue *cfqq = RQ_CFQQ(rq);
+        struct cfq_data *cfqd = q->elevator->elevator_data;
        /*
         * reposition in fifo if next is older than rq
         */
@@ -1669,6 +1671,16 @@ cfq_merged_requests(struct request_queue *q, struct request *rq,
        cfq_remove_request(next);
        cfq_blkiocg_update_io_merged_stats(&(RQ_CFQG(rq))->blkg,
                                        rq_data_dir(next), rq_is_sync(next));
+        cfqq = RQ_CFQQ(next);
+        /*
+         * all requests of this queue are merged to other queues, delete it
+         * from the service tree. If it's the active_queue,
+         * cfq_dispatch_requests() will choose to expire it or do idle
+         */
+        if (cfq_cfqq_on_rr(cfqq) && RB_EMPTY_ROOT(&cfqq->sort_list) &&
+            cfqq != cfqd->active_queue)
+                cfq_del_cfqq_rr(cfqd, cfqq);
 }
 static int cfq_allow_merge(struct request_queue *q, struct request *rq,
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 6bdedd7cca2c..cf047c406d92 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -820,7 +820,7 @@ config PATA_PLATFORM
 config PATA_OF_PLATFORM
        tristate "OpenFirmware platform device PATA support"
-        depends on PATA_PLATFORM && OF
+        depends on PATA_PLATFORM && OF && OF_IRQ
        help
          This option enables support for generic directly connected ATA
          devices commonly found on embedded systems with OpenFirmware
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index ab8f469f5cf8..5a99bb3f255a 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -124,7 +124,7 @@ config MV_XOR
 config MX3_IPU
        bool "MX3x Image Processing Unit support"
-        depends on ARCH_MX3
+        depends on SOC_IMX31 || SOC_IMX35
        select DMA_ENGINE
        default y
        help
@@ -216,7 +216,7 @@ config PCH_DMA
 config IMX_SDMA
        tristate "i.MX SDMA support"
-        depends on ARCH_MX25 || ARCH_MX3 || ARCH_MX5
+        depends on ARCH_MX25 || SOC_IMX31 || SOC_IMX35 || ARCH_MX5
        select DMA_ENGINE
        help
          Support the i.MX SDMA engine. This engine is integrated into
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index c681dc149d2a..b9da8900ae4e 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -756,9 +756,9 @@ intel_enable_semaphores(struct drm_device *dev)
        if (i915_semaphores >= 0)
                return i915_semaphores;
-        /* Enable semaphores on SNB when IO remapping is off */
+        /* Disable semaphores on SNB */
        if (INTEL_INFO(dev)->gen == 6)
-                return !intel_iommu_enabled;
+                return 0;
        return 1;
 }
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index d809b038ca88..daa5743ccbd6 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7922,13 +7922,11 @@ static bool intel_enable_rc6(struct drm_device *dev)
                return 0;
        /*
-         * Enable rc6 on Sandybridge if DMA remapping is disabled
+         * Disable rc6 on Sandybridge
         */
        if (INTEL_INFO(dev)->gen == 6) {
-                DRM_DEBUG_DRIVER("Sandybridge: intel_iommu_enabled %s -- RC6 %sabled\n",
+                DRM_DEBUG_DRIVER("Sandybridge: RC6 disabled\n");
-                                 intel_iommu_enabled ? "true" : "false",
+                return 0;
-                                 !intel_iommu_enabled ? "en" : "dis");
-                return !intel_iommu_enabled;
        }
        DRM_DEBUG_DRIVER("RC6 enabled\n");
        return 1;
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 5e00d1670aa9..92c9628c572d 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -3276,6 +3276,18 @@ int evergreen_init(struct radeon_device *rdev)
                        rdev->accel_working = false;
                }
        }
+        /* Don't start up if the MC ucode is missing on BTC parts.
+         * The default clocks and voltages before the MC ucode
+         * is loaded are not suffient for advanced operations.
+         */
+        if (ASIC_IS_DCE5(rdev)) {
+                if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
+                        DRM_ERROR("radeon: MC ucode required for NI+.\n");
+                        return -EINVAL;
+                }
+        }
        return 0;
 }
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index d24baf30efcb..5082d17d14dc 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -2560,7 +2560,11 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
        rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
        rdev->pm.current_clock_mode_index = 0;
-        rdev->pm.current_vddc = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage;
+        if (rdev->pm.default_power_state_index >= 0)
+                rdev->pm.current_vddc =
+                        rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage;
+        else
+                rdev->pm.current_vddc = 0;
 }
 void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 8aa1dbb45c67..f94b33ae2215 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1093,7 +1093,6 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
        struct vmw_surface *surface = NULL;
        struct vmw_dma_buffer *bo = NULL;
        struct ttm_base_object *user_obj;
-        u64 required_size;
        int ret;
        /**
@@ -1102,8 +1101,9 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
         * requested framebuffer.
         */
-        required_size = mode_cmd->pitch * mode_cmd->height;
+        if (!vmw_kms_validate_mode_vram(dev_priv,
-        if (unlikely(required_size > (u64) dev_priv->vram_size)) {
+                                        mode_cmd->pitch,
+                                        mode_cmd->height)) {
                DRM_ERROR("VRAM size is too small for requested mode.\n");
                return ERR_PTR(-ENOMEM);
        }
diff --git a/drivers/input/mouse/sentelic.c b/drivers/input/mouse/sentelic.c
index c5b12d2e955a..86d6f39178b0 100644
--- a/drivers/input/mouse/sentelic.c
+++ b/drivers/input/mouse/sentelic.c
@@ -2,7 +2,7 @@
 * Finger Sensing Pad PS/2 mouse driver.
 *
 * Copyright (C) 2005-2007 Asia Vital Components Co., Ltd.
- * Copyright (C) 2005-2010 Tai-hwa Liang, Sentelic Corporation.
+ * Copyright (C) 2005-2011 Tai-hwa Liang, Sentelic Corporation.
 *
 *   This program is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU General Public License
@@ -162,7 +162,7 @@ static int fsp_reg_write(struct psmouse *psmouse, int reg_addr, int reg_val)
        ps2_sendbyte(ps2dev, v, FSP_CMD_TIMEOUT2);
        if (ps2_sendbyte(ps2dev, 0xf3, FSP_CMD_TIMEOUT) < 0)
-                return -1;
+                goto out;
        if ((v = fsp_test_invert_cmd(reg_val)) != reg_val) {
                /* inversion is required */
@@ -261,7 +261,7 @@ static int fsp_page_reg_write(struct psmouse *psmouse, int reg_val)
        ps2_sendbyte(ps2dev, 0x88, FSP_CMD_TIMEOUT2);
        if (ps2_sendbyte(ps2dev, 0xf3, FSP_CMD_TIMEOUT) < 0)
-                return -1;
+                goto out;
        if ((v = fsp_test_invert_cmd(reg_val)) != reg_val) {
                ps2_sendbyte(ps2dev, 0x47, FSP_CMD_TIMEOUT2);
@@ -309,7 +309,7 @@ static int fsp_get_buttons(struct psmouse *psmouse, int *btn)
        };
        int val;
-        if (fsp_reg_read(psmouse, FSP_REG_TMOD_STATUS1, &val) == -1)
+        if (fsp_reg_read(psmouse, FSP_REG_TMOD_STATUS, &val) == -1)
                return -EIO;
        *btn = buttons[(val & 0x30) >> 4];
diff --git a/drivers/input/mouse/sentelic.h b/drivers/input/mouse/sentelic.h
index ed1395ac7b8b..2e4af24f8c15 100644
--- a/drivers/input/mouse/sentelic.h
+++ b/drivers/input/mouse/sentelic.h
@@ -2,7 +2,7 @@
 * Finger Sensing Pad PS/2 mouse driver.
 *
 * Copyright (C) 2005-2007 Asia Vital Components Co., Ltd.
- * Copyright (C) 2005-2009 Tai-hwa Liang, Sentelic Corporation.
+ * Copyright (C) 2005-2011 Tai-hwa Liang, Sentelic Corporation.
 *
 *   This program is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU General Public License
@@ -33,6 +33,7 @@
 /* Finger-sensing Pad control registers */
 #define FSP_REG_SYSCTL1         0x10
 #define FSP_BIT_EN_REG_CLK      BIT(5)
+#define FSP_REG_TMOD_STATUS     0x20
 #define FSP_REG_OPC_QDOWN       0x31
 #define FSP_BIT_EN_OPC_TAG      BIT(7)
 #define FSP_REG_OPTZ_XLO        0x34
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 2fb2963df553..5b5fa5cdaa31 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -90,7 +90,7 @@ struct iommu_domain *iommu_domain_alloc(struct bus_type *bus)
        if (bus == NULL || bus->iommu_ops == NULL)
                return NULL;
-        domain = kmalloc(sizeof(*domain), GFP_KERNEL);
+        domain = kzalloc(sizeof(*domain), GFP_KERNEL);
        if (!domain)
                return NULL;
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index b6907118283a..6d03774b176e 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1393,9 +1393,6 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto
                         atomic_read(&bitmap->behind_writes),
                         bitmap->mddev->bitmap_info.max_write_behind);
        }
-        if (bitmap->mddev->degraded)
-                /* Never clear bits or update events_cleared when degraded */
-                success = 0;
        while (sectors) {
                sector_t blocks;
@@ -1409,7 +1406,7 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto
                        return;
                }
-                if (success &&
+                if (success && !bitmap->mddev->degraded &&
                    bitmap->events_cleared < bitmap->mddev->events) {
                        bitmap->events_cleared = bitmap->mddev->events;
                        bitmap->need_sync = 1;
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index c3273efd08cb..627456542fb3 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -230,6 +230,7 @@ static int linear_add(struct mddev *mddev, struct md_rdev *rdev)
                return -EINVAL;
        rdev->raid_disk = rdev->saved_raid_disk;
+        rdev->saved_raid_disk = -1;
        newconf = linear_conf(mddev,mddev->raid_disks+1);
diff --git a/drivers/md/md.c b/drivers/md/md.c
index ee981737edfc..f47f1f8ac44b 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7360,8 +7360,7 @@ static int remove_and_add_spares(struct mddev *mddev)
                                        spares++;
                                        md_new_event(mddev);
                                        set_bit(MD_CHANGE_DEVS, &mddev->flags);
-                                } else
+                                }
-                                        break;
                        }
                }
        }
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 31670f8d6b65..858fdbb7eb07 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3065,11 +3065,17 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
                        }
                } else if (test_bit(In_sync, &rdev->flags))
                        set_bit(R5_Insync, &dev->flags);
-                else {
+                else if (sh->sector + STRIPE_SECTORS <= rdev->recovery_offset)
                        /* in sync if before recovery_offset */
-                        if (sh->sector + STRIPE_SECTORS <= rdev->recovery_offset)
+                        set_bit(R5_Insync, &dev->flags);
-                                set_bit(R5_Insync, &dev->flags);
+                else if (test_bit(R5_UPTODATE, &dev->flags) &&
-                }
+                         test_bit(R5_Expanded, &dev->flags))
+                        /* If we've reshaped into here, we assume it is Insync.
+                         * We will shortly update recovery_offset to make
+                         * it official.
+                         */
+                        set_bit(R5_Insync, &dev->flags);
                if (rdev && test_bit(R5_WriteError, &dev->flags)) {
                        clear_bit(R5_Insync, &dev->flags);
                        if (!test_bit(Faulty, &rdev->flags)) {
diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index 881e04c7ffe6..2ca10dfec91f 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -838,13 +838,13 @@ static int gspca_init_transfer(struct gspca_dev *gspca_dev)
        gspca_dev->usb_err = 0;
        /* do the specific subdriver stuff before endpoint selection */
-        gspca_dev->alt = 0;
+        intf = usb_ifnum_to_if(gspca_dev->dev, gspca_dev->iface);
+        gspca_dev->alt = gspca_dev->cam.bulk ? intf->num_altsetting : 0;
        if (gspca_dev->sd_desc->isoc_init) {
                ret = gspca_dev->sd_desc->isoc_init(gspca_dev);
                if (ret < 0)
                        goto unlock;
        }
-        intf = usb_ifnum_to_if(gspca_dev->dev, gspca_dev->iface);
        xfer = gspca_dev->cam.bulk ? USB_ENDPOINT_XFER_BULK
                                   : USB_ENDPOINT_XFER_ISOC;
@@ -957,7 +957,7 @@ retry:
                                ret = -EIO;
                                goto out;
                        }
-                        alt = ep_tb[--alt_idx].alt;
+                        gspca_dev->alt = ep_tb[--alt_idx].alt;
                }
        }
 out:
diff --git a/drivers/media/video/omap3isp/ispccdc.c b/drivers/media/video/omap3isp/ispccdc.c
index b0b0fa5a3572..54a4a3f22e2e 100644
--- a/drivers/media/video/omap3isp/ispccdc.c
+++ b/drivers/media/video/omap3isp/ispccdc.c
@@ -1408,7 +1408,7 @@ static void ccdc_hs_vs_isr(struct isp_ccdc_device *ccdc)
 {
        struct isp_pipeline *pipe =
                to_isp_pipeline(&ccdc->video_out.video.entity);
-        struct video_device *vdev = &ccdc->subdev.devnode;
+        struct video_device *vdev = ccdc->subdev.devnode;
        struct v4l2_event event;
        memset(&event, 0, sizeof(event));
diff --git a/drivers/media/video/omap3isp/ispstat.c b/drivers/media/video/omap3isp/ispstat.c
index 68d539456c55..bc0b2c7349b9 100644
--- a/drivers/media/video/omap3isp/ispstat.c
+++ b/drivers/media/video/omap3isp/ispstat.c
@@ -496,7 +496,7 @@ static int isp_stat_bufs_alloc(struct ispstat *stat, u32 size)
 static void isp_stat_queue_event(struct ispstat *stat, int err)
 {
-        struct video_device *vdev = &stat->subdev.devnode;
+        struct video_device *vdev = stat->subdev.devnode;
        struct v4l2_event event;
        struct omap3isp_stat_event_status *status = (void *)event.u.data;
diff --git a/drivers/mfd/ab5500-debugfs.c b/drivers/mfd/ab5500-debugfs.c
index 43c0ebb81956..b7b2d3483fd4 100644
--- a/drivers/mfd/ab5500-debugfs.c
+++ b/drivers/mfd/ab5500-debugfs.c
@@ -4,7 +4,7 @@
 * Debugfs support for the AB5500 MFD driver
 */
-#include <linux/export.h>
+#include <linux/module.h>
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 #include <linux/mfd/ab5500/ab5500.h>
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index 1e9173804ede..d3d572b2317b 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -620,6 +620,7 @@ static struct resource __devinitdata ab8500_fg_resources[] = {
 static struct resource __devinitdata ab8500_chargalg_resources[] = {};
+#ifdef CONFIG_DEBUG_FS
 static struct resource __devinitdata ab8500_debug_resources[] = {
        {
                .name   = "IRQ_FIRST",
@@ -634,6 +635,7 @@ static struct resource __devinitdata ab8500_debug_resources[] = {
                .flags  = IORESOURCE_IRQ,
        },
 };
+#endif
 static struct resource __devinitdata ab8500_usb_resources[] = {
        {
diff --git a/drivers/mfd/adp5520.c b/drivers/mfd/adp5520.c
index f1d88483112c..8d816cce8322 100644
--- a/drivers/mfd/adp5520.c
+++ b/drivers/mfd/adp5520.c
@@ -109,7 +109,7 @@ int adp5520_set_bits(struct device *dev, int reg, uint8_t bit_mask)
        ret = __adp5520_read(chip->client, reg, &reg_val);
-        if (!ret && ((reg_val & bit_mask) == 0)) {
+        if (!ret && ((reg_val & bit_mask) != bit_mask)) {
                reg_val |= bit_mask;
                ret = __adp5520_write(chip->client, reg, reg_val);
        }
diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c
index 1b79c37fd599..1924b857a0fb 100644
--- a/drivers/mfd/da903x.c
+++ b/drivers/mfd/da903x.c
@@ -182,7 +182,7 @@ int da903x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
        if (ret)
                goto out;
-        if ((reg_val & bit_mask) == 0) {
+        if ((reg_val & bit_mask) != bit_mask) {
                reg_val |= bit_mask;
                ret = __da903x_write(chip->client, reg, reg_val);
        }
@@ -549,6 +549,7 @@ static int __devexit da903x_remove(struct i2c_client *client)
        struct da903x_chip *chip = i2c_get_clientdata(client);
        da903x_remove_subdevs(chip);
+        free_irq(client->irq, chip);
        kfree(chip);
        return 0;
 }
diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c
index 1e9ee533eacb..ef39528088f2 100644
--- a/drivers/mfd/jz4740-adc.c
+++ b/drivers/mfd/jz4740-adc.c
@@ -16,6 +16,7 @@
 */
 #include <linux/err.h>
+#include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c
index bba26d96c240..a5ddf31b60ca 100644
--- a/drivers/mfd/tps6586x.c
+++ b/drivers/mfd/tps6586x.c
@@ -197,7 +197,7 @@ int tps6586x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
        if (ret)
                goto out;
-        if ((reg_val & bit_mask) == 0) {
+        if ((reg_val & bit_mask) != bit_mask) {
                reg_val |= bit_mask;
                ret = __tps6586x_write(to_i2c_client(dev), reg, reg_val);
        }
diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c
index 6f5b8cf2f652..c1da84bc1573 100644
--- a/drivers/mfd/tps65910.c
+++ b/drivers/mfd/tps65910.c
@@ -120,7 +120,7 @@ int tps65910_clear_bits(struct tps65910 *tps65910, u8 reg, u8 mask)
                goto out;
        }
-        data &= mask;
+        data &= ~mask;
        err = tps65910_i2c_write(tps65910, reg, 1, &data);
        if (err)
                dev_err(tps65910->dev, "write to reg %x failed\n", reg);
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index bfbd66021afd..61e70cfaa774 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -363,13 +363,13 @@ int twl_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes)
                pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no);
                return -EPERM;
        }
-        sid = twl_map[mod_no].sid;
-        twl = &twl_modules[sid];
        if (unlikely(!inuse)) {
-                pr_err("%s: client %d is not initialized\n", DRIVER_NAME, sid);
+                pr_err("%s: not initialized\n", DRIVER_NAME);
                return -EPERM;
        }
+        sid = twl_map[mod_no].sid;
+        twl = &twl_modules[sid];
        mutex_lock(&twl->xfer_lock);
        /*
         * [MSG1]: fill the register address data
@@ -420,13 +420,13 @@ int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes)
                pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no);
                return -EPERM;
        }
-        sid = twl_map[mod_no].sid;
-        twl = &twl_modules[sid];
        if (unlikely(!inuse)) {
-                pr_err("%s: client %d is not initialized\n", DRIVER_NAME, sid);
+                pr_err("%s: not initialized\n", DRIVER_NAME);
                return -EPERM;
        }
+        sid = twl_map[mod_no].sid;
+        twl = &twl_modules[sid];
        mutex_lock(&twl->xfer_lock);
        /* [MSG1] fill the register address data */
        msg = &twl->xfer_msg[0];
diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c
index f062c8cc6c38..29f11e0765fe 100644
--- a/drivers/mfd/twl4030-irq.c
+++ b/drivers/mfd/twl4030-irq.c
@@ -432,6 +432,7 @@ struct sih_agent {
        u32                     edge_change;
        struct mutex            irq_lock;
+        char                    *irq_name;
 };
 /*----------------------------------------------------------------------*/
@@ -589,7 +590,7 @@ static inline int sih_read_isr(const struct sih *sih)
 * Generic handler for SIH interrupts ... we "know" this is called
 * in task context, with IRQs enabled.
 */
-static void handle_twl4030_sih(unsigned irq, struct irq_desc *desc)
+static irqreturn_t handle_twl4030_sih(int irq, void *data)
 {
        struct sih_agent *agent = irq_get_handler_data(irq);
        const struct sih *sih = agent->sih;
@@ -602,7 +603,7 @@ static void handle_twl4030_sih(unsigned irq, struct irq_desc *desc)
                pr_err("twl4030: %s SIH, read ISR error %d\n",
                        sih->name, isr);
                /* REVISIT:  recover; eventually mask it all, etc */
-                return;
+                return IRQ_HANDLED;
        }
        while (isr) {
@@ -616,6 +617,7 @@ static void handle_twl4030_sih(unsigned irq, struct irq_desc *desc)
                        pr_err("twl4030: %s SIH, invalid ISR bit %d\n",
                                sih->name, irq);
        }
+        return IRQ_HANDLED;
 }
 static unsigned twl4030_irq_next;
@@ -668,18 +670,19 @@ int twl4030_sih_setup(int module)
                activate_irq(irq);
        }
-        status = irq_base;
        twl4030_irq_next += i;
        /* replace generic PIH handler (handle_simple_irq) */
        irq = sih_mod + twl4030_irq_base;
        irq_set_handler_data(irq, agent);
-        irq_set_chained_handler(irq, handle_twl4030_sih);
+        agent->irq_name = kasprintf(GFP_KERNEL, "twl4030_%s", sih->name);
+        status = request_threaded_irq(irq, NULL, handle_twl4030_sih, 0,
+                                      agent->irq_name ?: sih->name, NULL);
        pr_info("twl4030: %s (irq %d) chaining IRQs %d..%d\n", sih->name,
                        irq, irq_base, twl4030_irq_next - 1);
-        return status;
+        return status < 0 ? status : irq_base;
 }
 /* FIXME need a call to reverse twl4030_sih_setup() ... */
@@ -733,8 +736,9 @@ int twl4030_init_irq(int irq_num, unsigned irq_base, unsigned irq_end)
        }
        /* install an irq handler to demultiplex the TWL4030 interrupt */
-        status = request_threaded_irq(irq_num, NULL, handle_twl4030_pih, 0,
+        status = request_threaded_irq(irq_num, NULL, handle_twl4030_pih,
-                                        "TWL4030-PIH", NULL);
+                                      IRQF_ONESHOT,
+                                      "TWL4030-PIH", NULL);
        if (status < 0) {
                pr_err("twl4030: could not claim irq%d: %d\n", irq_num, status);
                goto fail_rqirq;
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 5d6ba132837e..61894fced8ea 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -239,6 +239,7 @@ static int wm8994_suspend(struct device *dev)
        switch (wm8994->type) {
        case WM8958:
+        case WM1811:
                ret = wm8994_reg_read(wm8994, WM8958_MIC_DETECT_1);
                if (ret < 0) {
                        dev_err(dev, "Failed to read power status: %d\n", ret);
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 50b5f9926f64..0726e59fd418 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -675,7 +675,8 @@ mmci_data_irq(struct mmci_host *host, struct mmc_data *data,
              unsigned int status)
 {
        /* First check for errors */
-        if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_TXUNDERRUN|MCI_RXOVERRUN)) {
+        if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_STARTBITERR|
+                      MCI_TXUNDERRUN|MCI_RXOVERRUN)) {
                u32 remain, success;
                /* Terminate the DMA transfer */
@@ -754,8 +755,12 @@ mmci_cmd_irq(struct mmci_host *host, struct mmc_command *cmd,
        }
        if (!cmd->data || cmd->error) {
-                if (host->data)
+                if (host->data) {
+                        /* Terminate the DMA transfer */
+                        if (dma_inprogress(host))
+                                mmci_dma_data_error(host);
                        mmci_stop_data(host);
+                }
                mmci_request_end(host, cmd->mrq);
        } else if (!(cmd->data->flags & MMC_DATA_READ)) {
                mmci_start_data(host, cmd->data);
@@ -955,8 +960,9 @@ static irqreturn_t mmci_irq(int irq, void *dev_id)
                dev_dbg(mmc_dev(host->mmc), "irq0 (data+cmd) %08x\n", status);
                data = host->data;
-                if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_TXUNDERRUN|
+                if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_STARTBITERR|
-                              MCI_RXOVERRUN|MCI_DATAEND|MCI_DATABLOCKEND) && data)
+                              MCI_TXUNDERRUN|MCI_RXOVERRUN|MCI_DATAEND|
+                              MCI_DATABLOCKEND) && data)
                        mmci_data_irq(host, data, status);
                cmd = host->cmd;
diff --git a/drivers/net/ethernet/freescale/Kconfig b/drivers/net/ethernet/freescale/Kconfig
index 5272f9d4dda9..9de37642f09f 100644
--- a/drivers/net/ethernet/freescale/Kconfig
+++ b/drivers/net/ethernet/freescale/Kconfig
@@ -23,8 +23,8 @@ if NET_VENDOR_FREESCALE
 config FEC
        bool "FEC ethernet controller (of ColdFire and some i.MX CPUs)"
        depends on (M523x || M527x || M5272 || M528x || M520x || M532x || \
-                   ARCH_MXC || ARCH_MXS)
+                   ARCH_MXC || SOC_IMX28)
-        default ARCH_MXC || ARCH_MXS if ARM
+        default ARCH_MXC || SOC_IMX28 if ARM
        select PHYLIB
        ---help---
          Say Y here if you want to use the built-in 10/100 Fast ethernet
diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c
index c7b60839ac99..dea0cb4400e2 100644
--- a/drivers/net/ethernet/marvell/skge.c
+++ b/drivers/net/ethernet/marvell/skge.c
@@ -2606,6 +2606,9 @@ static int skge_up(struct net_device *dev)
        spin_unlock_irq(&hw->hw_lock);
        napi_enable(&skge->napi);
+        skge_set_multicast(dev);
        return 0;
 free_tx_ring:
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_cq.c b/drivers/net/ethernet/mellanox/mlx4/en_cq.c
index 227997d775e8..5829e0b47e7e 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_cq.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_cq.c
@@ -147,6 +147,7 @@ void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
        mlx4_free_hwq_res(mdev->dev, &cq->wqres, cq->buf_size);
        if (priv->mdev->dev->caps.comp_pool && cq->vector)
                mlx4_release_eq(priv->mdev->dev, cq->vector);
+        cq->vector = 0;
        cq->buf_size = 0;
        cq->buf = NULL;
 }
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 67bf07819992..c8f47f17186f 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -477,7 +477,6 @@ enum rtl_register_content {
        /* Config1 register p.24 */
        LEDS1           = (1 << 7),
        LEDS0           = (1 << 6),
-        MSIEnable       = (1 << 5),     /* Enable Message Signaled Interrupt */
        Speed_down      = (1 << 4),
        MEMMAP          = (1 << 3),
        IOMAP           = (1 << 2),
@@ -485,6 +484,7 @@ enum rtl_register_content {
        PMEnable        = (1 << 0),     /* Power Management Enable */
        /* Config2 register p. 25 */
+        MSIEnable       = (1 << 5),     /* 8169 only. Reserved in the 8168. */
        PCI_Clock_66MHz = 0x01,
        PCI_Clock_33MHz = 0x00,
@@ -3426,22 +3426,24 @@ static const struct rtl_cfg_info {
 };
 /* Cfg9346_Unlock assumed. */
-static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr,
+static unsigned rtl_try_msi(struct rtl8169_private *tp,
                            const struct rtl_cfg_info *cfg)
 {
+        void __iomem *ioaddr = tp->mmio_addr;
        unsigned msi = 0;
        u8 cfg2;
        cfg2 = RTL_R8(Config2) & ~MSIEnable;
        if (cfg->features & RTL_FEATURE_MSI) {
-                if (pci_enable_msi(pdev)) {
+                if (pci_enable_msi(tp->pci_dev)) {
-                        dev_info(&pdev->dev, "no MSI. Back to INTx.\n");
+                        netif_info(tp, hw, tp->dev, "no MSI. Back to INTx.\n");
                } else {
                        cfg2 |= MSIEnable;
                        msi = RTL_FEATURE_MSI;
                }
        }
-        RTL_W8(Config2, cfg2);
+        if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
+                RTL_W8(Config2, cfg2);
        return msi;
 }
@@ -4077,7 +4079,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
                tp->features |= RTL_FEATURE_WOL;
        if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
                tp->features |= RTL_FEATURE_WOL;
-        tp->features |= rtl_try_msi(pdev, ioaddr, cfg);
+        tp->features |= rtl_try_msi(tp, cfg);
        RTL_W8(Cfg9346, Cfg9346_Lock);
        if (rtl_tbi_enabled(tp)) {
diff --git a/drivers/net/ethernet/ti/davinci_cpdma.c b/drivers/net/ethernet/ti/davinci_cpdma.c
index dca9d3369cdd..c97d2f590855 100644
--- a/drivers/net/ethernet/ti/davinci_cpdma.c
+++ b/drivers/net/ethernet/ti/davinci_cpdma.c
@@ -836,11 +836,13 @@ int cpdma_chan_stop(struct cpdma_chan *chan)
        chan_write(chan, cp, CPDMA_TEARDOWN_VALUE);
        /* handle completed packets */
+        spin_unlock_irqrestore(&chan->lock, flags);
        do {
                ret = __cpdma_chan_process(chan);
                if (ret < 0)
                        break;
        } while ((ret & CPDMA_DESC_TD_COMPLETE) == 0);
+        spin_lock_irqsave(&chan->lock, flags);
        /* remaining packets haven't been tx/rx'ed, clean them up */
        while (chan->head) {
diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index e6fed4d4cb77..e95f0e60a9bc 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -1655,6 +1655,10 @@ static const struct usb_device_id	products [] = {
        // ASIX 88772a
        USB_DEVICE(0x0db0, 0xa877),
        .driver_info = (unsigned long) &ax88772_info,
+}, {
+        // Asus USB Ethernet Adapter
+        USB_DEVICE (0x0b95, 0x7e2b),
+        .driver_info = (unsigned long) &ax88772_info,
 },
        { },            // END
 };
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index d2348a5a7809..a9c5ae75277e 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1843,6 +1843,9 @@ static void ath9k_sta_notify(struct ieee80211_hw *hw,
        struct ath_softc *sc = hw->priv;
        struct ath_node *an = (struct ath_node *) sta->drv_priv;
+        if (!(sc->sc_flags & SC_OP_TXAGGR))
+                return;
        switch (cmd) {
        case STA_NOTIFY_SLEEP:
                an->sleeping = true;
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 888abc2be3a5..528d5f3e868c 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -1271,7 +1271,9 @@ static void ath_rc_init(struct ath_softc *sc,
        ath_rc_priv->max_valid_rate = k;
        ath_rc_sort_validrates(rate_table, ath_rc_priv);
-        ath_rc_priv->rate_max_phy = ath_rc_priv->valid_rate_index[k-4];
+        ath_rc_priv->rate_max_phy = (k > 4) ?
+                                        ath_rc_priv->valid_rate_index[k-4] :
+                                        ath_rc_priv->valid_rate_index[k-1];
        ath_rc_priv->rate_table = rate_table;
        ath_dbg(common, ATH_DBG_CONFIG,
diff --git a/drivers/net/wireless/b43/pio.c b/drivers/net/wireless/b43/pio.c
index fcff923b3c18..279a53eae4c5 100644
--- a/drivers/net/wireless/b43/pio.c
+++ b/drivers/net/wireless/b43/pio.c
@@ -617,9 +617,19 @@ static bool pio_rx_frame(struct b43_pio_rxqueue *q)
        const char *err_msg = NULL;
        struct b43_rxhdr_fw4 *rxhdr =
                (struct b43_rxhdr_fw4 *)wl->pio_scratchspace;
+        size_t rxhdr_size = sizeof(*rxhdr);
        BUILD_BUG_ON(sizeof(wl->pio_scratchspace) < sizeof(*rxhdr));
-        memset(rxhdr, 0, sizeof(*rxhdr));
+        switch (dev->fw.hdr_format) {
+        case B43_FW_HDR_410:
+        case B43_FW_HDR_351:
+                rxhdr_size -= sizeof(rxhdr->format_598) -
+                        sizeof(rxhdr->format_351);
+                break;
+        case B43_FW_HDR_598:
+                break;
+        }
+        memset(rxhdr, 0, rxhdr_size);
        /* Check if we have data and wait for it to get ready. */
        if (q->rev >= 8) {
@@ -657,11 +667,11 @@ data_ready:
        /* Get the preamble (RX header) */
        if (q->rev >= 8) {
-                b43_block_read(dev, rxhdr, sizeof(*rxhdr),
+                b43_block_read(dev, rxhdr, rxhdr_size,
                               q->mmio_base + B43_PIO8_RXDATA,
                               sizeof(u32));
        } else {
-                b43_block_read(dev, rxhdr, sizeof(*rxhdr),
+                b43_block_read(dev, rxhdr, rxhdr_size,
                               q->mmio_base + B43_PIO_RXDATA,
                               sizeof(u16));
        }
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
index a7a6def40d05..5c7c17c7166a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -606,8 +606,8 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
                        if (ctx->ht.enabled) {
                                /* if HT40 is used, it should not change
                                 * after associated except channel switch */
-                                if (iwl_is_associated_ctx(ctx) &&
+                                if (!ctx->ht.is_40mhz ||
-                                     !ctx->ht.is_40mhz)
+                                                !iwl_is_associated_ctx(ctx))
                                        iwlagn_config_ht40(conf, ctx);
                        } else
                                ctx->ht.is_40mhz = false;
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index 35a6b71f358c..df1540ca6102 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -91,7 +91,10 @@ static void iwlagn_tx_cmd_build_basic(struct iwl_priv *priv,
                tx_cmd->tid_tspec = qc[0] & 0xf;
                tx_flags &= ~TX_CMD_FLG_SEQ_CTL_MSK;
        } else {
-                tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
+                if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)
+                        tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
+                else
+                        tx_flags &= ~TX_CMD_FLG_SEQ_CTL_MSK;
        }
        iwlagn_tx_cmd_protection(priv, info, fc, &tx_flags);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index bacc06c95e7a..e0e9a3dfbc00 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2850,6 +2850,9 @@ static int iwlagn_mac_tx_sync(struct ieee80211_hw *hw,
        int ret;
        u8 sta_id;
+        if (ctx->ctxid != IWL_RXON_CTX_PAN)
+                return 0;
        IWL_DEBUG_MAC80211(priv, "enter\n");
        mutex_lock(&priv->shrd->mutex);
@@ -2898,6 +2901,9 @@ static void iwlagn_mac_finish_tx_sync(struct ieee80211_hw *hw,
        struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
        struct iwl_rxon_context *ctx = vif_priv->ctx;
+        if (ctx->ctxid != IWL_RXON_CTX_PAN)
+                return;
        IWL_DEBUG_MAC80211(priv, "enter\n");
        mutex_lock(&priv->shrd->mutex);
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
index ce918980e977..5f17ab8e76ba 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
@@ -1197,9 +1197,7 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
        iwl_print_hex_dump(trans, IWL_DL_TX, (u8 *)tx_cmd->hdr, hdr_len);
        /* Set up entry for this TFD in Tx byte-count array */
-        if (is_agg)
+        iwl_trans_txq_update_byte_cnt_tbl(trans, txq, le16_to_cpu(tx_cmd->len));
-                iwl_trans_txq_update_byte_cnt_tbl(trans, txq,
-                                               le16_to_cpu(tx_cmd->len));
        dma_sync_single_for_device(bus(trans)->dev, txcmd_phys, firstlen,
                        DMA_BIDIRECTIONAL);
diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index ac278156d390..6e0a3eaecf70 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -939,7 +939,6 @@ mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter)
 {
        struct cmd_ctrl_node *cmd_node = NULL, *tmp_node = NULL;
        unsigned long cmd_flags;
-        unsigned long cmd_pending_q_flags;
        unsigned long scan_pending_q_flags;
        uint16_t cancel_scan_cmd = false;
@@ -949,12 +948,9 @@ mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter)
                cmd_node = adapter->curr_cmd;
                cmd_node->wait_q_enabled = false;
                cmd_node->cmd_flag |= CMD_F_CANCELED;
-                spin_lock_irqsave(&adapter->cmd_pending_q_lock,
-                                  cmd_pending_q_flags);
-                list_del(&cmd_node->list);
-                spin_unlock_irqrestore(&adapter->cmd_pending_q_lock,
-                                       cmd_pending_q_flags);
                mwifiex_insert_cmd_to_free_q(adapter, cmd_node);
+                mwifiex_complete_cmd(adapter, adapter->curr_cmd);
+                adapter->curr_cmd = NULL;
                spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags);
        }
@@ -981,7 +977,6 @@ mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter)
                spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags);
        }
        adapter->cmd_wait_q.status = -1;
-        mwifiex_complete_cmd(adapter, adapter->curr_cmd);
 }
 /*
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index ea4a29b7e331..1679c2593b7b 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -55,9 +55,14 @@ int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter)
 {
        bool cancel_flag = false;
        int status = adapter->cmd_wait_q.status;
-        struct cmd_ctrl_node *cmd_queued = adapter->cmd_queued;
+        struct cmd_ctrl_node *cmd_queued;
+        if (!adapter->cmd_queued)
+                return 0;
+        cmd_queued = adapter->cmd_queued;
        adapter->cmd_queued = NULL;
        dev_dbg(adapter->dev, "cmd pending\n");
        atomic_inc(&adapter->cmd_pending);
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index cbd5d701c7e0..63b3ec48c203 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -314,7 +314,7 @@ static const struct of_dev_auxdata *of_dev_lookup(const struct of_dev_auxdata *l
        if (!lookup)
                return NULL;
-        for(; lookup->name != NULL; lookup++) {
+        for(; lookup->compatible != NULL; lookup++) {
                if (!of_device_is_compatible(np, lookup->compatible))
                        continue;
                if (of_address_to_resource(np, 0, &res))
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 3bcc7cfcaba7..8e286259a007 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -73,8 +73,6 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm)
                err = -EINVAL;
        mutex_unlock(&rtc->ops_lock);
-        /* A timer might have just expired */
-        schedule_work(&rtc->irqwork);
        return err;
 }
 EXPORT_SYMBOL_GPL(rtc_set_time);
@@ -114,8 +112,6 @@ int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs)
                err = -EINVAL;
        mutex_unlock(&rtc->ops_lock);
-        /* A timer might have just expired */
-        schedule_work(&rtc->irqwork);
        return err;
 }
@@ -323,20 +319,6 @@ int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 }
 EXPORT_SYMBOL_GPL(rtc_read_alarm);
-static int ___rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
-{
-        int err;
-        if (!rtc->ops)
-                err = -ENODEV;
-        else if (!rtc->ops->set_alarm)
-                err = -EINVAL;
-        else
-                err = rtc->ops->set_alarm(rtc->dev.parent, alarm);
-        return err;
-}
 static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 {
        struct rtc_time tm;
@@ -360,7 +342,14 @@ static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
         * over right here, before we set the alarm.
         */
-        return ___rtc_set_alarm(rtc, alarm);
+        if (!rtc->ops)
+                err = -ENODEV;
+        else if (!rtc->ops->set_alarm)
+                err = -EINVAL;
+        else
+                err = rtc->ops->set_alarm(rtc->dev.parent, alarm);
+        return err;
 }
 int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
@@ -407,8 +396,6 @@ int rtc_initialize_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
                timerqueue_add(&rtc->timerqueue, &rtc->aie_timer.node);
        }
        mutex_unlock(&rtc->ops_lock);
-        /* maybe that was in the past.*/
-        schedule_work(&rtc->irqwork);
        return err;
 }
 EXPORT_SYMBOL_GPL(rtc_initialize_alarm);
@@ -776,20 +763,6 @@ static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer)
        return 0;
 }
-static void rtc_alarm_disable(struct rtc_device *rtc)
-{
-        struct rtc_wkalrm alarm;
-        struct rtc_time tm;
-        __rtc_read_time(rtc, &tm);
-        alarm.time = rtc_ktime_to_tm(ktime_add(rtc_tm_to_ktime(tm),
-                                     ktime_set(300, 0)));
-        alarm.enabled = 0;
-        ___rtc_set_alarm(rtc, &alarm);
-}
 /**
 * rtc_timer_remove - Removes a rtc_timer from the rtc_device timerqueue
 * @rtc rtc device
@@ -811,10 +784,8 @@ static void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer)
                struct rtc_wkalrm alarm;
                int err;
                next = timerqueue_getnext(&rtc->timerqueue);
-                if (!next) {
+                if (!next)
-                        rtc_alarm_disable(rtc);
                        return;
-                }
                alarm.time = rtc_ktime_to_tm(next->expires);
                alarm.enabled = 1;
                err = __rtc_set_alarm(rtc, &alarm);
@@ -876,8 +847,7 @@ again:
                err = __rtc_set_alarm(rtc, &alarm);
                if (err == -ETIME)
                        goto again;
-        } else
+        }
-                rtc_alarm_disable(rtc);
        mutex_unlock(&rtc->ops_lock);
 }
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 717ebc9ff941..600d82348511 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -264,7 +264,7 @@ static int __devinit dwc3_core_init(struct dwc3 *dwc)
                ret = -ENODEV;
                goto err0;
        }
-        dwc->revision = reg & DWC3_GSNPSREV_MASK;
+        dwc->revision = reg;
        dwc3_core_soft_reset(dwc);
diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c
index 596a0b464e61..4dff83d2f265 100644
--- a/drivers/usb/gadget/epautoconf.c
+++ b/drivers/usb/gadget/epautoconf.c
@@ -130,9 +130,6 @@ ep_matches (
                        num_req_streams = ep_comp->bmAttributes & 0x1f;
                        if (num_req_streams > ep->max_streams)
                                return 0;
-                        /* Update the ep_comp descriptor if needed */
-                        if (num_req_streams != ep->max_streams)
-                                ep_comp->bmAttributes = ep->max_streams;
                }
        }
diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c
index a7dc1e1d45f2..2ac4ac2e4ef9 100644
--- a/drivers/usb/host/isp1760-if.c
+++ b/drivers/usb/host/isp1760-if.c
@@ -18,7 +18,7 @@
 #include "isp1760-hcd.h"
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
 #include <linux/slab.h>
 #include <linux/of.h>
 #include <linux/of_platform.h>
@@ -31,7 +31,7 @@
 #include <linux/pci.h>
 #endif
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
 struct isp1760 {
        struct usb_hcd *hcd;
        int rst_gpio;
@@ -437,7 +437,7 @@ static int __init isp1760_init(void)
        ret = platform_driver_register(&isp1760_plat_driver);
        if (!ret)
                any_ret = 0;
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
        ret = platform_driver_register(&isp1760_of_driver);
        if (!ret)
                any_ret = 0;
@@ -457,7 +457,7 @@ module_init(isp1760_init);
 static void __exit isp1760_exit(void)
 {
        platform_driver_unregister(&isp1760_plat_driver);
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
        platform_driver_unregister(&isp1760_of_driver);
 #endif
 #ifdef CONFIG_PCI
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 60ddba8066ea..79cb0af779fa 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -774,6 +774,10 @@ static void musb_ep_program(struct musb *musb, u8 epnum,
                        if (musb->double_buffer_not_ok)
                                musb_writew(epio, MUSB_TXMAXP,
                                                hw_ep->max_packet_sz_tx);
+                        else if (can_bulk_split(musb, qh->type))
+                                musb_writew(epio, MUSB_TXMAXP, packet_sz
+                                        | ((hw_ep->max_packet_sz_tx /
+                                                packet_sz) - 1) << 11);
                        else
                                musb_writew(epio, MUSB_TXMAXP,
                                                qh->maxpacket |
diff --git a/drivers/watchdog/coh901327_wdt.c b/drivers/watchdog/coh901327_wdt.c
index 03f449a430d2..5b89f7d6cd0f 100644
--- a/drivers/watchdog/coh901327_wdt.c
+++ b/drivers/watchdog/coh901327_wdt.c
@@ -76,8 +76,6 @@ static int irq;
 static void __iomem *virtbase;
 static unsigned long coh901327_users;
 static unsigned long boot_status;
-static u16 wdogenablestore;
-static u16 irqmaskstore;
 static struct device *parent;
 /*
@@ -461,6 +459,10 @@ out:
 }
 #ifdef CONFIG_PM
+static u16 wdogenablestore;
+static u16 irqmaskstore;
 static int coh901327_suspend(struct platform_device *pdev, pm_message_t state)
 {
        irqmaskstore = readw(virtbase + U300_WDOG_IMR) & 0x0001U;
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 3774c9b8dac9..8464ea1c36a1 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -231,6 +231,7 @@ static int __devinit cru_detect(unsigned long map_entry,
        cmn_regs.u1.reax = CRU_BIOS_SIGNATURE_VALUE;
+        set_memory_x((unsigned long)bios32_entrypoint, (2 * PAGE_SIZE));
        asminline_call(&cmn_regs, bios32_entrypoint);
        if (cmn_regs.u1.ral != 0) {
@@ -248,8 +249,10 @@ static int __devinit cru_detect(unsigned long map_entry,
                if ((physical_bios_base + physical_bios_offset)) {
                        cru_rom_addr =
                                ioremap(cru_physical_address, cru_length);
-                        if (cru_rom_addr)
+                        if (cru_rom_addr) {
+                                set_memory_x((unsigned long)cru_rom_addr, cru_length);
                                retval = 0;
+                        }
                }
                printk(KERN_DEBUG "hpwdt: CRU Base Address:   0x%lx\n",
diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c
index ba6ad662635a..99796c5d913d 100644
--- a/drivers/watchdog/iTCO_wdt.c
+++ b/drivers/watchdog/iTCO_wdt.c
@@ -384,10 +384,10 @@ MODULE_PARM_DESC(nowayout,
        "Watchdog cannot be stopped once started (default="
                                __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
-static int turn_SMI_watchdog_clear_off = 0;
+static int turn_SMI_watchdog_clear_off = 1;
 module_param(turn_SMI_watchdog_clear_off, int, 0);
 MODULE_PARM_DESC(turn_SMI_watchdog_clear_off,
-        "Turn off SMI clearing watchdog (default=0)");
+        "Turn off SMI clearing watchdog (depends on TCO-version)(default=1)");
 /*
 * Some TCO specific functions
@@ -813,7 +813,7 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev,
                ret = -EIO;
                goto out_unmap;
        }
-        if (turn_SMI_watchdog_clear_off) {
+        if (turn_SMI_watchdog_clear_off >= iTCO_wdt_private.iTCO_version) {
                /* Bit 13: TCO_EN -> 0 = Disables TCO logic generating an SMI# */
                val32 = inl(SMI_EN);
                val32 &= 0xffffdfff;    /* Turn off SMI clearing watchdog */
diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c
index cc2cfbe33b30..bfaf9bb1ee0d 100644
--- a/drivers/watchdog/sp805_wdt.c
+++ b/drivers/watchdog/sp805_wdt.c
@@ -351,7 +351,7 @@ static int __devexit sp805_wdt_remove(struct amba_device *adev)
        return 0;
 }
-static struct amba_id sp805_wdt_ids[] __initdata = {
+static struct amba_id sp805_wdt_ids[] = {
        {
                .id     = 0x00141805,
                .mask   = 0x00ffffff,
diff --git a/firmware/README.AddingFirmware b/firmware/README.AddingFirmware
index e24cd8986d8b..ea78c3a17eec 100644
--- a/firmware/README.AddingFirmware
+++ b/firmware/README.AddingFirmware
@@ -12,7 +12,7 @@ here.
 This directory is _NOT_ for adding arbitrary new firmware images. The
 place to add those is the separate linux-firmware repository:
-    git://git.kernel.org/pub/scm/linux/kernel/git/dwmw2/linux-firmware.git
+    git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
 That repository contains all these firmware images which have been
 extracted from older drivers, as well various new firmware images which
@@ -22,6 +22,7 @@ been permitted to redistribute under separate cover.
 To submit firmware to that repository, please send either a git binary
 diff or preferably a git pull request to:
      David Woodhouse <dwmw2@infradead.org>
+      Ben Hutchings <ben@decadent.org.uk>
 Your commit should include an update to the WHENCE file clearly
 identifying the licence under which the firmware is available, and
diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c
index cb97174e2366..0b394580d860 100644
--- a/fs/btrfs/async-thread.c
+++ b/fs/btrfs/async-thread.c
@@ -563,8 +563,8 @@ static struct btrfs_worker_thread *find_worker(struct btrfs_workers *workers)
        struct list_head *fallback;
        int ret;
-again:
        spin_lock_irqsave(&workers->lock, flags);
+again:
        worker = next_worker(workers);
        if (!worker) {
@@ -579,6 +579,7 @@ again:
                        spin_unlock_irqrestore(&workers->lock, flags);
                        /* we're below the limit, start another worker */
                        ret = __btrfs_start_workers(workers);
+                        spin_lock_irqsave(&workers->lock, flags);
                        if (ret)
                                goto fallback;
                        goto again;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 0a6b928813a4..fd1a06df5bc6 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4590,10 +4590,6 @@ static int btrfs_add_nondir(struct btrfs_trans_handle *trans,
        int err = btrfs_add_link(trans, dir, inode,
                                 dentry->d_name.name, dentry->d_name.len,
                                 backref, index);
-        if (!err) {
-                d_instantiate(dentry, inode);
-                return 0;
-        }
        if (err > 0)
                err = -EEXIST;
        return err;
@@ -4655,6 +4651,7 @@ static int btrfs_mknod(struct inode *dir, struct dentry *dentry,
        else {
                init_special_inode(inode, inode->i_mode, rdev);
                btrfs_update_inode(trans, root, inode);
+                d_instantiate(dentry, inode);
        }
 out_unlock:
        nr = trans->blocks_used;
@@ -4722,6 +4719,7 @@ static int btrfs_create(struct inode *dir, struct dentry *dentry,
                inode->i_mapping->a_ops = &btrfs_aops;
                inode->i_mapping->backing_dev_info = &root->fs_info->bdi;
                BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops;
+                d_instantiate(dentry, inode);
        }
 out_unlock:
        nr = trans->blocks_used;
@@ -4779,6 +4777,7 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
                struct dentry *parent = dentry->d_parent;
                err = btrfs_update_inode(trans, root, inode);
                BUG_ON(err);
+                d_instantiate(dentry, inode);
                btrfs_log_new_name(trans, inode, NULL, parent);
        }
@@ -7245,6 +7244,8 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
                drop_inode = 1;
 out_unlock:
+        if (!err)
+                d_instantiate(dentry, inode);
        nr = trans->blocks_used;
        btrfs_end_transaction_throttle(trans, root);
        if (drop_inode) {
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 3eeb97661262..98954003a8d3 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -1094,42 +1094,19 @@ static int ceph_snapdir_d_revalidate(struct dentry *dentry,
 /*
 * Set/clear/test dir complete flag on the dir's dentry.
 */
-static struct dentry * __d_find_any_alias(struct inode *inode)
-{
-        struct dentry *alias;
-        if (list_empty(&inode->i_dentry))
-                return NULL;
-        alias = list_first_entry(&inode->i_dentry, struct dentry, d_alias);
-        return alias;
-}
 void ceph_dir_set_complete(struct inode *inode)
 {
-        struct dentry *dentry = __d_find_any_alias(inode);
+        /* not yet implemented */
-        
-        if (dentry && ceph_dentry(dentry)) {
-                dout(" marking %p (%p) complete\n", inode, dentry);
-                set_bit(CEPH_D_COMPLETE, &ceph_dentry(dentry)->flags);
-        }
 }
 void ceph_dir_clear_complete(struct inode *inode)
 {
-        struct dentry *dentry = __d_find_any_alias(inode);
+        /* not yet implemented */
-        if (dentry && ceph_dentry(dentry)) {
-                dout(" marking %p (%p) NOT complete\n", inode, dentry);
-                clear_bit(CEPH_D_COMPLETE, &ceph_dentry(dentry)->flags);
-        }
 }
 bool ceph_dir_test_complete(struct inode *inode)
 {
-        struct dentry *dentry = __d_find_any_alias(inode);
+        /* not yet implemented */
-        if (dentry && ceph_dentry(dentry))
-                return test_bit(CEPH_D_COMPLETE, &ceph_dentry(dentry)->flags);
        return false;
 }
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 8cd4b52d4217..f3670cf72587 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -282,7 +282,7 @@ static int coalesce_t2(struct smb_hdr *psecond, struct smb_hdr *pTargetSMB)
        byte_count = be32_to_cpu(pTargetSMB->smb_buf_length);
        byte_count += total_in_buf2;
        /* don't allow buffer to overflow */
-        if (byte_count > CIFSMaxBufSize)
+        if (byte_count > CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4)
                return -ENOBUFS;
        pTargetSMB->smb_buf_length = cpu_to_be32(byte_count);
@@ -2122,7 +2122,7 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info)
                warned_on_ntlm = true;
                cERROR(1, "default security mechanism requested.  The default "
                        "security mechanism will be upgraded from ntlm to "
-                        "ntlmv2 in kernel release 3.2");
+                        "ntlmv2 in kernel release 3.3");
        }
        ses->overrideSecFlg = volume_info->secFlg;
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index ac86f8b3e3cb..517f211a3bd4 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -47,17 +47,6 @@ struct wb_writeback_work {
        struct completion *done;        /* set if the caller waits */
 };
-const char *wb_reason_name[] = {
-        [WB_REASON_BACKGROUND]          = "background",
-        [WB_REASON_TRY_TO_FREE_PAGES]   = "try_to_free_pages",
-        [WB_REASON_SYNC]                = "sync",
-        [WB_REASON_PERIODIC]            = "periodic",
-        [WB_REASON_LAPTOP_TIMER]        = "laptop_timer",
-        [WB_REASON_FREE_MORE_MEM]       = "free_more_memory",
-        [WB_REASON_FS_FREE_SPACE]       = "fs_free_space",
-        [WB_REASON_FORKER_THREAD]       = "forker_thread"
-};
 /*
 * Include the creation of the trace points after defining the
 * wb_writeback_work structure so that the definition remains local to this
diff --git a/fs/locks.c b/fs/locks.c
index 3b0d05dcd7c1..637694bf3a03 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1205,6 +1205,8 @@ int __break_lease(struct inode *inode, unsigned int mode)
        int want_write = (mode & O_ACCMODE) != O_RDONLY;
        new_fl = lease_alloc(NULL, want_write ? F_WRLCK : F_RDLCK);
+        if (IS_ERR(new_fl))
+                return PTR_ERR(new_fl);
        lock_flocks();
@@ -1221,12 +1223,6 @@ int __break_lease(struct inode *inode, unsigned int mode)
                if (fl->fl_owner == current->files)
                        i_have_this_lease = 1;
-        if (IS_ERR(new_fl) && !i_have_this_lease
-                        && ((mode & O_NONBLOCK) == 0)) {
-                error = PTR_ERR(new_fl);
-                goto out;
-        }
        break_time = 0;
        if (lease_break_time > 0) {
                break_time = jiffies + lease_break_time * HZ;
@@ -1284,8 +1280,7 @@ restart:
 out:
        unlock_flocks();
-        if (!IS_ERR(new_fl))
+        locks_free_lock(new_fl);
-                locks_free_lock(new_fl);
        return error;
 }
diff --git a/fs/minix/inode.c b/fs/minix/inode.c
index 1d9e33966db0..4d46a6a59070 100644
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -263,23 +263,6 @@ static int minix_fill_super(struct super_block *s, void *data, int silent)
                goto out_no_root;
        }
-        ret = -ENOMEM;
-        s->s_root = d_alloc_root(root_inode);
-        if (!s->s_root)
-                goto out_iput;
-        if (!(s->s_flags & MS_RDONLY)) {
-                if (sbi->s_version != MINIX_V3) /* s_state is now out from V3 sb */
-                        ms->s_state &= ~MINIX_VALID_FS;
-                mark_buffer_dirty(bh);
-        }
-        if (!(sbi->s_mount_state & MINIX_VALID_FS))
-                printk("MINIX-fs: mounting unchecked file system, "
-                        "running fsck is recommended\n");
-        else if (sbi->s_mount_state & MINIX_ERROR_FS)
-                printk("MINIX-fs: mounting file system with errors, "
-                        "running fsck is recommended\n");
        /* Apparently minix can create filesystems that allocate more blocks for
         * the bitmaps than needed.  We simply ignore that, but verify it didn't
         * create one with not enough blocks and bail out if so.
@@ -300,6 +283,23 @@ static int minix_fill_super(struct super_block *s, void *data, int silent)
                goto out_iput;
        }
+        ret = -ENOMEM;
+        s->s_root = d_alloc_root(root_inode);
+        if (!s->s_root)
+                goto out_iput;
+        if (!(s->s_flags & MS_RDONLY)) {
+                if (sbi->s_version != MINIX_V3) /* s_state is now out from V3 sb */
+                        ms->s_state &= ~MINIX_VALID_FS;
+                mark_buffer_dirty(bh);
+        }
+        if (!(sbi->s_mount_state & MINIX_VALID_FS))
+                printk("MINIX-fs: mounting unchecked file system, "
+                        "running fsck is recommended\n");
+        else if (sbi->s_mount_state & MINIX_ERROR_FS)
+                printk("MINIX-fs: mounting file system with errors, "
+                        "running fsck is recommended\n");
        return 0;
 out_iput:
diff --git a/fs/proc/stat.c b/fs/proc/stat.c
index 2a30d67dd6b8..0855e6f20391 100644
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -32,7 +32,7 @@ static cputime64_t get_idle_time(int cpu)
                idle = kstat_cpu(cpu).cpustat.idle;
                idle = cputime64_add(idle, arch_idle_time(cpu));
        } else
-                idle = nsecs_to_jiffies64(1000 * idle_time);
+                idle = usecs_to_cputime64(idle_time);
        return idle;
 }
@@ -46,7 +46,7 @@ static cputime64_t get_iowait_time(int cpu)
                /* !NO_HZ so we can rely on cpustat.iowait */
                iowait = kstat_cpu(cpu).cpustat.iowait;
        else
-                iowait = nsecs_to_jiffies64(1000 * iowait_time);
+                iowait = usecs_to_cputime64(iowait_time);
        return iowait;
 }
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 3eca58f51ae9..8a899496fd5f 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -869,27 +869,6 @@ xfs_fs_dirty_inode(
 }
 STATIC int
-xfs_log_inode(
-        struct xfs_inode        *ip)
-{
-        struct xfs_mount        *mp = ip->i_mount;
-        struct xfs_trans        *tp;
-        int                     error;
-        tp = xfs_trans_alloc(mp, XFS_TRANS_FSYNC_TS);
-        error = xfs_trans_reserve(tp, 0, XFS_FSYNC_TS_LOG_RES(mp), 0, 0, 0);
-        if (error) {
-                xfs_trans_cancel(tp, 0);
-                return error;
-        }
-        xfs_ilock(ip, XFS_ILOCK_EXCL);
-        xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
-        xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
-        return xfs_trans_commit(tp, 0);
-}
-STATIC int
 xfs_fs_write_inode(
        struct inode            *inode,
        struct writeback_control *wbc)
@@ -902,10 +881,8 @@ xfs_fs_write_inode(
        if (XFS_FORCED_SHUTDOWN(mp))
                return -XFS_ERROR(EIO);
-        if (!ip->i_update_core)
-                return 0;
-        if (wbc->sync_mode == WB_SYNC_ALL) {
+        if (wbc->sync_mode == WB_SYNC_ALL || wbc->for_kupdate) {
                /*
                 * Make sure the inode has made it it into the log.  Instead
                 * of forcing it all the way to stable storage using a
@@ -913,11 +890,14 @@ xfs_fs_write_inode(
                 * ->sync_fs call do that for thus, which reduces the number
                 * of synchronous log forces dramatically.
                 */
-                error = xfs_log_inode(ip);
+                error = xfs_log_dirty_inode(ip, NULL, 0);
                if (error)
                        goto out;
                return 0;
        } else {
+                if (!ip->i_update_core)
+                        return 0;
                /*
                 * We make this non-blocking if the inode is contended, return
                 * EAGAIN to indicate to the caller that they did not succeed.
diff --git a/fs/xfs/xfs_sync.c b/fs/xfs/xfs_sync.c
index be5c51d8f757..f0994aedcd15 100644
--- a/fs/xfs/xfs_sync.c
+++ b/fs/xfs/xfs_sync.c
@@ -336,6 +336,32 @@ xfs_sync_fsdata(
        return error;
 }
+int
+xfs_log_dirty_inode(
+        struct xfs_inode        *ip,
+        struct xfs_perag        *pag,
+        int                     flags)
+{
+        struct xfs_mount        *mp = ip->i_mount;
+        struct xfs_trans        *tp;
+        int                     error;
+        if (!ip->i_update_core)
+                return 0;
+        tp = xfs_trans_alloc(mp, XFS_TRANS_FSYNC_TS);
+        error = xfs_trans_reserve(tp, 0, XFS_FSYNC_TS_LOG_RES(mp), 0, 0, 0);
+        if (error) {
+                xfs_trans_cancel(tp, 0);
+                return error;
+        }
+        xfs_ilock(ip, XFS_ILOCK_EXCL);
+        xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
+        xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
+        return xfs_trans_commit(tp, 0);
+}
 /*
 * When remounting a filesystem read-only or freezing the filesystem, we have
 * two phases to execute. This first phase is syncing the data before we
@@ -359,6 +385,16 @@ xfs_quiesce_data(
 {
        int                     error, error2 = 0;
+        /*
+         * Log all pending size and timestamp updates.  The vfs writeback
+         * code is supposed to do this, but due to its overagressive
+         * livelock detection it will skip inodes where appending writes
+         * were written out in the first non-blocking sync phase if their
+         * completion took long enough that it happened after taking the
+         * timestamp for the cut-off in the blocking phase.
+         */
+        xfs_inode_ag_iterator(mp, xfs_log_dirty_inode, 0);
        xfs_qm_sync(mp, SYNC_TRYLOCK);
        xfs_qm_sync(mp, SYNC_WAIT);
diff --git a/fs/xfs/xfs_sync.h b/fs/xfs/xfs_sync.h
index 941202e7ac6e..fa965479d788 100644
--- a/fs/xfs/xfs_sync.h
+++ b/fs/xfs/xfs_sync.h
@@ -34,6 +34,8 @@ void xfs_quiesce_attr(struct xfs_mount *mp);
 void xfs_flush_inodes(struct xfs_inode *ip);
+int xfs_log_dirty_inode(struct xfs_inode *ip, struct xfs_perag *pag, int flags);
 int xfs_reclaim_inodes(struct xfs_mount *mp, int mode);
 int xfs_reclaim_inodes_count(struct xfs_mount *mp);
 void xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan);
diff --git a/include/asm-generic/cputime.h b/include/asm-generic/cputime.h
index 62ce6823c0f2..12a1764f612b 100644
--- a/include/asm-generic/cputime.h
+++ b/include/asm-generic/cputime.h
@@ -40,6 +40,7 @@ typedef u64 cputime64_t;
 */
 #define cputime_to_usecs(__ct)          jiffies_to_usecs(__ct)
 #define usecs_to_cputime(__msecs)       usecs_to_jiffies(__msecs)
+#define usecs_to_cputime64(__msecs)     nsecs_to_jiffies64((__msecs) * 1000)
 /*
 * Convert cputime to seconds and back.
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index c3892fc1d538..68e67e50d028 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -557,6 +557,7 @@ struct kvm_ppc_pvinfo {
 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
 #define KVM_CAP_PPC_PAPR 68
 #define KVM_CAP_S390_GMAP 71
+#define KVM_CAP_TSC_DEADLINE_TIMER 72
 #ifdef KVM_CAP_IRQ_ROUTING
diff --git a/include/linux/lglock.h b/include/linux/lglock.h
index f549056fb20b..87f402ccec55 100644
--- a/include/linux/lglock.h
+++ b/include/linux/lglock.h
@@ -22,6 +22,7 @@
 #include <linux/spinlock.h>
 #include <linux/lockdep.h>
 #include <linux/percpu.h>
+#include <linux/cpu.h>
 /* can make br locks by using local lock for read side, global lock for write */
 #define br_lock_init(name)      name##_lock_init()
@@ -72,9 +73,31 @@
 #define DEFINE_LGLOCK(name)                                             \
                                                                        \
+ DEFINE_SPINLOCK(name##_cpu_lock);                                      \
+ cpumask_t name##_cpus __read_mostly;                                   \
 DEFINE_PER_CPU(arch_spinlock_t, name##_lock);                          \
 DEFINE_LGLOCK_LOCKDEP(name);                                           \
                                                                        \
+ static int                                                             \
+ name##_lg_cpu_callback(struct notifier_block *nb,                      \
+                                unsigned long action, void *hcpu)       \
+ {                                                                      \
+        switch (action & ~CPU_TASKS_FROZEN) {                           \
+        case CPU_UP_PREPARE:                                            \
+                spin_lock(&name##_cpu_lock);                            \
+                cpu_set((unsigned long)hcpu, name##_cpus);              \
+                spin_unlock(&name##_cpu_lock);                          \
+                break;                                                  \
+        case CPU_UP_CANCELED: case CPU_DEAD:                            \
+                spin_lock(&name##_cpu_lock);                            \
+                cpu_clear((unsigned long)hcpu, name##_cpus);            \
+                spin_unlock(&name##_cpu_lock);                          \
+        }                                                               \
+        return NOTIFY_OK;                                               \
+ }                                                                      \
+ static struct notifier_block name##_lg_cpu_notifier = {                \
+        .notifier_call = name##_lg_cpu_callback,                        \
+ };                                                                     \
 void name##_lock_init(void) {                                          \
        int i;                                                          \
        LOCKDEP_INIT_MAP(&name##_lock_dep_map, #name, &name##_lock_key, 0); \
@@ -83,6 +106,11 @@
                lock = &per_cpu(name##_lock, i);                        \
                *lock = (arch_spinlock_t)__ARCH_SPIN_LOCK_UNLOCKED;     \
        }                                                               \
+        register_hotcpu_notifier(&name##_lg_cpu_notifier);              \
+        get_online_cpus();                                              \
+        for_each_online_cpu(i)                                          \
+                cpu_set(i, name##_cpus);                                \
+        put_online_cpus();                                              \
 }                                                                      \
 EXPORT_SYMBOL(name##_lock_init);                                       \
                                                                        \
@@ -124,9 +152,9 @@
                                                                        \
 void name##_global_lock_online(void) {                                 \
        int i;                                                          \
-        preempt_disable();                                              \
+        spin_lock(&name##_cpu_lock);                                    \
        rwlock_acquire(&name##_lock_dep_map, 0, 0, _RET_IP_);           \
-        for_each_online_cpu(i) {                                        \
+        for_each_cpu(i, &name##_cpus) {                                 \
                arch_spinlock_t *lock;                                  \
                lock = &per_cpu(name##_lock, i);                        \
                arch_spin_lock(lock);                                   \
@@ -137,12 +165,12 @@
 void name##_global_unlock_online(void) {                               \
        int i;                                                          \
        rwlock_release(&name##_lock_dep_map, 1, _RET_IP_);              \
-        for_each_online_cpu(i) {                                        \
+        for_each_cpu(i, &name##_cpus) {                                 \
                arch_spinlock_t *lock;                                  \
                lock = &per_cpu(name##_lock, i);                        \
                arch_spin_unlock(lock);                                 \
        }                                                               \
-        preempt_enable();                                               \
+        spin_unlock(&name##_cpu_lock);                                  \
 }                                                                      \
 EXPORT_SYMBOL(name##_global_unlock_online);                            \
                                                                        \
diff --git a/include/linux/security.h b/include/linux/security.h
index 19d8e04e1688..e8c619d39291 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -2056,7 +2056,7 @@ static inline int security_old_inode_init_security(struct inode *inode,
                                                   char **name, void **value,
                                                   size_t *len)
 {
-        return 0;
+        return -EOPNOTSUPP;
 }
 static inline int security_inode_create(struct inode *dir,
diff --git a/include/net/dst.h b/include/net/dst.h
index 6faec1a60216..75766b42660e 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -53,6 +53,7 @@ struct dst_entry {
 #define DST_NOHASH              0x0008
 #define DST_NOCACHE             0x0010
 #define DST_NOCOUNT             0x0020
+#define DST_NOPEER              0x0040
        short                   error;
        short                   obsolete;
diff --git a/include/net/flow.h b/include/net/flow.h
index a09447749e2d..57f15a7f1cdd 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -207,6 +207,7 @@ extern struct flow_cache_object *flow_cache_lookup(
                u8 dir, flow_resolve_t resolver, void *ctx);
 extern void flow_cache_flush(void);
+extern void flow_cache_flush_deferred(void);
 extern atomic_t flow_cache_genid;
 #endif
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 873d5be7926c..e5a7b9aaf552 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -1207,7 +1207,7 @@ extern void ip_vs_control_cleanup(void);
 extern struct ip_vs_dest *
 ip_vs_find_dest(struct net *net, int af, const union nf_inet_addr *daddr,
                __be16 dport, const union nf_inet_addr *vaddr, __be16 vport,
-                __u16 protocol, __u32 fwmark);
+                __u16 protocol, __u32 fwmark, __u32 flags);
 extern struct ip_vs_dest *ip_vs_try_bind_dest(struct ip_vs_conn *cp);
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index e90e7a9935dd..a15432da27c3 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -241,6 +241,9 @@ extern struct sctp_globals {
         * bits is an indicator of when to send and window update SACK.
         */
        int rwnd_update_shift;
+        /* Threshold for autoclose timeout, in seconds. */
+        unsigned long max_autoclose;
 } sctp_globals;
 #define sctp_rto_initial                (sctp_globals.rto_initial)
@@ -281,6 +284,7 @@ extern struct sctp_globals {
 #define sctp_auth_enable                (sctp_globals.auth_enable)
 #define sctp_checksum_disable           (sctp_globals.checksum_disable)
 #define sctp_rwnd_upd_shift             (sctp_globals.rwnd_update_shift)
+#define sctp_max_autoclose              (sctp_globals.max_autoclose)
 /* SCTP Socket type: UDP or TCP style. */
 typedef enum {
diff --git a/include/net/sock.h b/include/net/sock.h
index abb6e0f0c3c3..32e39371fba6 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -637,12 +637,14 @@ static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb)
 /*
 * Take into account size of receive queue and backlog queue
+ * Do not take into account this skb truesize,
+ * to allow even a single big packet to come.
 */
 static inline bool sk_rcvqueues_full(const struct sock *sk, const struct sk_buff *skb)
 {
        unsigned int qsize = sk->sk_backlog.len + atomic_read(&sk->sk_rmem_alloc);
-        return qsize + skb->truesize > sk->sk_rcvbuf;
+        return qsize > sk->sk_rcvbuf;
 }
 /* The per-socket spinlock must be held here. */
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index b99caa8b780c..99d1d0decf88 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -21,6 +21,16 @@
                {I_REFERENCED,          "I_REFERENCED"}         \
        )
+#define WB_WORK_REASON                                                  \
+                {WB_REASON_BACKGROUND,          "background"},          \
+                {WB_REASON_TRY_TO_FREE_PAGES,   "try_to_free_pages"},   \
+                {WB_REASON_SYNC,                "sync"},                \
+                {WB_REASON_PERIODIC,            "periodic"},            \
+                {WB_REASON_LAPTOP_TIMER,        "laptop_timer"},        \
+                {WB_REASON_FREE_MORE_MEM,       "free_more_memory"},    \
+                {WB_REASON_FS_FREE_SPACE,       "fs_free_space"},       \
+                {WB_REASON_FORKER_THREAD,       "forker_thread"}
 struct wb_writeback_work;
 DECLARE_EVENT_CLASS(writeback_work_class,
@@ -55,7 +65,7 @@ DECLARE_EVENT_CLASS(writeback_work_class,
                  __entry->for_kupdate,
                  __entry->range_cyclic,
                  __entry->for_background,
-                  wb_reason_name[__entry->reason]
+                  __print_symbolic(__entry->reason, WB_WORK_REASON)
        )
 );
 #define DEFINE_WRITEBACK_WORK_EVENT(name) \
@@ -184,7 +194,8 @@ TRACE_EVENT(writeback_queue_io,
                __entry->older, /* older_than_this in jiffies */
                __entry->age,   /* older_than_this in relative milliseconds */
                __entry->moved,
-                wb_reason_name[__entry->reason])
+                __print_symbolic(__entry->reason, WB_WORK_REASON)
+        )
 );
 TRACE_EVENT(global_dirty_state,
diff --git a/kernel/exit.c b/kernel/exit.c
index d0b7d988f873..e6e01b959a0e 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1540,8 +1540,15 @@ static int wait_consider_task(struct wait_opts *wo, int ptrace,
        }
        /* dead body doesn't have much to contribute */
-        if (p->exit_state == EXIT_DEAD)
+        if (unlikely(p->exit_state == EXIT_DEAD)) {
+                /*
+                 * But do not ignore this task until the tracer does
+                 * wait_task_zombie()->do_notify_parent().
+                 */
+                if (likely(!ptrace) && unlikely(ptrace_reparented(p)))
+                        wo->notask_error = 0;
                return 0;
+        }
        /* slay zombie? */
        if (p->exit_state == EXIT_ZOMBIE) {
diff --git a/kernel/futex.c b/kernel/futex.c
index ea87f4d2f455..1614be20173d 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -314,17 +314,29 @@ again:
 #endif
        lock_page(page_head);
+        /*
+         * If page_head->mapping is NULL, then it cannot be a PageAnon
+         * page; but it might be the ZERO_PAGE or in the gate area or
+         * in a special mapping (all cases which we are happy to fail);
+         * or it may have been a good file page when get_user_pages_fast
+         * found it, but truncated or holepunched or subjected to
+         * invalidate_complete_page2 before we got the page lock (also
+         * cases which we are happy to fail).  And we hold a reference,
+         * so refcount care in invalidate_complete_page's remove_mapping
+         * prevents drop_caches from setting mapping to NULL beneath us.
+         *
+         * The case we do have to guard against is when memory pressure made
+         * shmem_writepage move it from filecache to swapcache beneath us:
+         * an unlikely race, but we do need to retry for page_head->mapping.
+         */
        if (!page_head->mapping) {
+                int shmem_swizzled = PageSwapCache(page_head);
                unlock_page(page_head);
                put_page(page_head);
-                /*
+                if (shmem_swizzled)
-                * ZERO_PAGE pages don't have a mapping. Avoid a busy loop
+                        goto again;
-                * trying to find one. RW mapping would have COW'd (and thus
+                return -EFAULT;
-                * have a mapping) so this page is RO and won't ever change.
-                */
-                if ((page_head == ZERO_PAGE(address)))
-                        return -EFAULT;
-                goto again;
        }
        /*
diff --git a/kernel/hung_task.c b/kernel/hung_task.c
index 8b1748d0172c..2e48ec0c2e91 100644
--- a/kernel/hung_task.c
+++ b/kernel/hung_task.c
@@ -74,11 +74,17 @@ static void check_hung_task(struct task_struct *t, unsigned long timeout)
        /*
         * Ensure the task is not frozen.
-         * Also, when a freshly created task is scheduled once, changes
+         * Also, skip vfork and any other user process that freezer should skip.
-         * its state to TASK_UNINTERRUPTIBLE without having ever been
-         * switched out once, it musn't be checked.
         */
-        if (unlikely(t->flags & PF_FROZEN || !switch_count))
+        if (unlikely(t->flags & (PF_FROZEN | PF_FREEZER_SKIP)))
+            return;
+        /*
+         * When a freshly created task is scheduled once, changes its state to
+         * TASK_UNINTERRUPTIBLE without having ever been switched out once, it
+         * musn't be checked.
+         */
+        if (unlikely(!switch_count))
                return;
        if (switch_count != t->last_switch_count) {
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 24d04477b257..78ab24a7b0e4 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -96,9 +96,20 @@ void __ptrace_unlink(struct task_struct *child)
         */
        if (!(child->flags & PF_EXITING) &&
            (child->signal->flags & SIGNAL_STOP_STOPPED ||
-             child->signal->group_stop_count))
+             child->signal->group_stop_count)) {
                child->jobctl |= JOBCTL_STOP_PENDING;
+                /*
+                 * This is only possible if this thread was cloned by the
+                 * traced task running in the stopped group, set the signal
+                 * for the future reports.
+                 * FIXME: we should change ptrace_init_task() to handle this
+                 * case.
+                 */
+                if (!(child->jobctl & JOBCTL_STOP_SIGMASK))
+                        child->jobctl |= SIGSTOP;
+        }
        /*
         * If transition to TASK_STOPPED is pending or in TASK_TRACED, kick
         * @child in the butt.  Note that @resume should be used iff @child
diff --git a/kernel/signal.c b/kernel/signal.c
index b3f78d09a105..206551563cce 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1994,8 +1994,6 @@ static bool do_signal_stop(int signr)
                 */
                if (!(sig->flags & SIGNAL_STOP_STOPPED))
                        sig->group_exit_code = signr;
-                else
-                        WARN_ON_ONCE(!current->ptrace);
                sig->group_stop_count = 0;
diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index c4eb71c8b2ea..1ecd6ba36d6c 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -387,7 +387,6 @@ void clockevents_exchange_device(struct clock_event_device *old,
         * released list and do a notify add later.
         */
        if (old) {
-                old->event_handler = clockevents_handle_noop;
                clockevents_set_mode(old, CLOCK_EVT_MODE_UNUSED);
                list_del(&old->list);
                list_add(&old->list, &clockevents_released);
diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
index db110b8ae030..f1539decd99d 100644
--- a/kernel/tracepoint.c
+++ b/kernel/tracepoint.c
@@ -634,10 +634,11 @@ static int tracepoint_module_coming(struct module *mod)
        int ret = 0;
        /*
-         * We skip modules that tain the kernel, especially those with different
+         * We skip modules that taint the kernel, especially those with different
-         * module header (for forced load), to make sure we don't cause a crash.
+         * module headers (for forced load), to make sure we don't cause a crash.
+         * Staging and out-of-tree GPL modules are fine.
         */
-        if (mod->taints)
+        if (mod->taints & ~((1 << TAINT_OOT_MODULE) | (1 << TAINT_CRAP)))
                return 0;
        mutex_lock(&tracepoints_mutex);
        tp_mod = kmalloc(sizeof(struct tp_module), GFP_KERNEL);
diff --git a/mm/filemap.c b/mm/filemap.c
index c106d3b3cc64..5f0a3c91fdac 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1828,7 +1828,7 @@ repeat:
                page = __page_cache_alloc(gfp | __GFP_COLD);
                if (!page)
                        return ERR_PTR(-ENOMEM);
-                err = add_to_page_cache_lru(page, mapping, index, GFP_KERNEL);
+                err = add_to_page_cache_lru(page, mapping, index, gfp);
                if (unlikely(err)) {
                        page_cache_release(page);
                        if (err == -EEXIST)
@@ -1925,10 +1925,7 @@ static struct page *wait_on_page_read(struct page *page)
 * @gfp:        the page allocator flags to use if allocating
 *
 * This is the same as "read_mapping_page(mapping, index, NULL)", but with
- * any new page allocations done using the specified allocation flags. Note
+ * any new page allocations done using the specified allocation flags.
- * that the Radix tree operations will still use GFP_KERNEL, so you can't
- * expect to do this atomically or anything like that - but you can pass in
- * other page requirements.
 *
 * If the page does not get brought uptodate, return -EIO.
 */
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 73f17c0293c0..2316840b337a 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -901,7 +901,6 @@ retry:
        h->resv_huge_pages += delta;
        ret = 0;
-        spin_unlock(&hugetlb_lock);
        /* Free the needed pages to the hugetlb pool */
        list_for_each_entry_safe(page, tmp, &surplus_list, lru) {
                if ((--needed) < 0)
@@ -915,6 +914,7 @@ retry:
                VM_BUG_ON(page_count(page));
                enqueue_huge_page(h, page);
        }
+        spin_unlock(&hugetlb_lock);
        /* Free unnecessary surplus pages to the buddy allocator */
 free:
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index adc395481813..c3fdbcb17658 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -636,6 +636,7 @@ static int mbind_range(struct mm_struct *mm, unsigned long start,
        struct vm_area_struct *prev;
        struct vm_area_struct *vma;
        int err = 0;
+        pgoff_t pgoff;
        unsigned long vmstart;
        unsigned long vmend;
@@ -643,13 +644,21 @@ static int mbind_range(struct mm_struct *mm, unsigned long start,
        if (!vma || vma->vm_start > start)
                return -EFAULT;
+        if (start > vma->vm_start)
+                prev = vma;
        for (; vma && vma->vm_start < end; prev = vma, vma = next) {
                next = vma->vm_next;
                vmstart = max(start, vma->vm_start);
                vmend   = min(end, vma->vm_end);
+                if (mpol_equal(vma_policy(vma), new_pol))
+                        continue;
+                pgoff = vma->vm_pgoff +
+                        ((vmstart - vma->vm_start) >> PAGE_SHIFT);
                prev = vma_merge(mm, prev, vmstart, vmend, vma->vm_flags,
-                                  vma->anon_vma, vma->vm_file, vma->vm_pgoff,
+                                  vma->anon_vma, vma->vm_file, pgoff,
                                  new_pol);
                if (prev) {
                        vma = prev;
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index e0af7237cd92..c1c597e3e198 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -673,7 +673,7 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
                goto encrypt;
 auth:
-        if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
+        if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
                return 0;
        if (!hci_conn_auth(conn, sec_level, auth_type))
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index be84ae33ae36..b84458dcc226 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -613,7 +613,7 @@ static int hci_dev_do_close(struct hci_dev *hdev)
        if (!test_bit(HCI_RAW, &hdev->flags)) {
                set_bit(HCI_INIT, &hdev->flags);
                __hci_request(hdev, hci_reset_req, 0,
-                                        msecs_to_jiffies(HCI_INIT_TIMEOUT));
+                                        msecs_to_jiffies(250));
                clear_bit(HCI_INIT, &hdev->flags);
        }
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 5ea94a1eecf2..17b5b1cd9657 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -2152,7 +2152,7 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi
        void *ptr = req->data;
        int type, olen;
        unsigned long val;
-        struct l2cap_conf_rfc rfc;
+        struct l2cap_conf_rfc rfc = { .mode = L2CAP_MODE_BASIC };
        BT_DBG("chan %p, rsp %p, len %d, req %p", chan, rsp, len, data);
@@ -2271,6 +2271,16 @@ static void l2cap_conf_rfc_get(struct l2cap_chan *chan, void *rsp, int len)
                }
        }
+        /* Use sane default values in case a misbehaving remote device
+         * did not send an RFC option.
+         */
+        rfc.mode = chan->mode;
+        rfc.retrans_timeout = cpu_to_le16(L2CAP_DEFAULT_RETRANS_TO);
+        rfc.monitor_timeout = cpu_to_le16(L2CAP_DEFAULT_MONITOR_TO);
+        rfc.max_pdu_size = cpu_to_le16(chan->imtu);
+        BT_ERR("Expected RFC option was not found, using defaults");
 done:
        switch (rfc.mode) {
        case L2CAP_MODE_ERTM:
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 4e32e18211f9..2d28dfe98389 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -1146,6 +1146,7 @@ static int rfcomm_recv_ua(struct rfcomm_session *s, u8 dlci)
                        if (list_empty(&s->dlcs)) {
                                s->state = BT_DISCONN;
                                rfcomm_send_disc(s, 0);
+                                rfcomm_session_clear_timer(s);
                        }
                        break;
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index d6ec3720c77e..fa8b8f763580 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -114,12 +114,18 @@ static struct neighbour *fake_neigh_lookup(const struct dst_entry *dst, const vo
        return NULL;
 }
+static unsigned int fake_mtu(const struct dst_entry *dst)
+{
+        return dst->dev->mtu;
+}
 static struct dst_ops fake_dst_ops = {
        .family =               AF_INET,
        .protocol =             cpu_to_be16(ETH_P_IP),
        .update_pmtu =          fake_update_pmtu,
        .cow_metrics =          fake_cow_metrics,
        .neigh_lookup =         fake_neigh_lookup,
+        .mtu =                  fake_mtu,
 };
 /*
@@ -141,7 +147,7 @@ void br_netfilter_rtable_init(struct net_bridge *br)
        rt->dst.dev = br->dev;
        rt->dst.path = &rt->dst;
        dst_init_metrics(&rt->dst, br_dst_default_metrics, true);
-        rt->dst.flags   = DST_NOXFRM;
+        rt->dst.flags   = DST_NOXFRM | DST_NOPEER;
        rt->dst.ops = &fake_dst_ops;
 }
diff --git a/net/core/flow.c b/net/core/flow.c
index 8ae42de9c79e..e318c7e98042 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -358,6 +358,18 @@ void flow_cache_flush(void)
        put_online_cpus();
 }
+static void flow_cache_flush_task(struct work_struct *work)
+{
+        flow_cache_flush();
+}
+static DECLARE_WORK(flow_cache_flush_work, flow_cache_flush_task);
+void flow_cache_flush_deferred(void)
+{
+        schedule_work(&flow_cache_flush_work);
+}
 static int __cpuinit flow_cache_cpu_prepare(struct flow_cache *fc, int cpu)
 {
        struct flow_cache_percpu *fcp = per_cpu_ptr(fc->percpu, cpu);
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index c71c434a4c05..385aefe53648 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -665,11 +665,14 @@ static ssize_t store_rps_dev_flow_table_cnt(struct netdev_rx_queue *queue,
        if (count) {
                int i;
-                if (count > 1<<30) {
+                if (count > INT_MAX)
+                        return -EINVAL;
+                count = roundup_pow_of_two(count);
+                if (count > (ULONG_MAX - sizeof(struct rps_dev_flow_table))
+                                / sizeof(struct rps_dev_flow)) {
                        /* Enforce a limit to prevent overflow */
                        return -EINVAL;
                }
-                count = roundup_pow_of_two(count);
                table = vmalloc(RPS_DEV_FLOW_TABLE_SIZE(count));
                if (!table)
                        return -ENOMEM;
diff --git a/net/core/sock.c b/net/core/sock.c
index 4ed7b1d12f5e..b23f174ab84c 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -288,11 +288,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
        unsigned long flags;
        struct sk_buff_head *list = &sk->sk_receive_queue;
-        /* Cast sk->rcvbuf to unsigned... It's pointless, but reduces
+        if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf) {
-           number of warnings when compiling with -W --ANK
-         */
-        if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
-            (unsigned)sk->sk_rcvbuf) {
                atomic_inc(&sk->sk_drops);
                trace_sock_rcvqueue_full(sk, skb);
                return -ENOMEM;
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 0da2afc97f32..99ec116bef14 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -253,6 +253,10 @@ static int __init ic_open_devs(void)
                }
        }
+        /* no point in waiting if we could not bring up at least one device */
+        if (!ic_first_dev)
+                goto have_carrier;
        /* wait for a carrier on at least one device */
        start = jiffies;
        while (jiffies - start < msecs_to_jiffies(CONF_CARRIER_TIMEOUT)) {
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 46af62363b8c..94cdbc55ca7e 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -91,6 +91,7 @@
 #include <linux/rcupdate.h>
 #include <linux/times.h>
 #include <linux/slab.h>
+#include <linux/prefetch.h>
 #include <net/dst.h>
 #include <net/net_namespace.h>
 #include <net/protocol.h>
@@ -120,6 +121,7 @@
 static int ip_rt_max_size;
 static int ip_rt_gc_timeout __read_mostly       = RT_GC_TIMEOUT;
+static int ip_rt_gc_interval __read_mostly  = 60 * HZ;
 static int ip_rt_gc_min_interval __read_mostly  = HZ / 2;
 static int ip_rt_redirect_number __read_mostly  = 9;
 static int ip_rt_redirect_load __read_mostly    = HZ / 50;
@@ -133,6 +135,9 @@ static int ip_rt_min_advmss __read_mostly	= 256;
 static int rt_chain_length_max __read_mostly    = 20;
 static int redirect_genid;
+static struct delayed_work expires_work;
+static unsigned long expires_ljiffies;
 /*
 *      Interface to generic destination cache.
 */
@@ -830,6 +835,97 @@ static int has_noalias(const struct rtable *head, const struct rtable *rth)
        return ONE;
 }
+static void rt_check_expire(void)
+{
+        static unsigned int rover;
+        unsigned int i = rover, goal;
+        struct rtable *rth;
+        struct rtable __rcu **rthp;
+        unsigned long samples = 0;
+        unsigned long sum = 0, sum2 = 0;
+        unsigned long delta;
+        u64 mult;
+        delta = jiffies - expires_ljiffies;
+        expires_ljiffies = jiffies;
+        mult = ((u64)delta) << rt_hash_log;
+        if (ip_rt_gc_timeout > 1)
+                do_div(mult, ip_rt_gc_timeout);
+        goal = (unsigned int)mult;
+        if (goal > rt_hash_mask)
+                goal = rt_hash_mask + 1;
+        for (; goal > 0; goal--) {
+                unsigned long tmo = ip_rt_gc_timeout;
+                unsigned long length;
+                i = (i + 1) & rt_hash_mask;
+                rthp = &rt_hash_table[i].chain;
+                if (need_resched())
+                        cond_resched();
+                samples++;
+                if (rcu_dereference_raw(*rthp) == NULL)
+                        continue;
+                length = 0;
+                spin_lock_bh(rt_hash_lock_addr(i));
+                while ((rth = rcu_dereference_protected(*rthp,
+                                        lockdep_is_held(rt_hash_lock_addr(i)))) != NULL) {
+                        prefetch(rth->dst.rt_next);
+                        if (rt_is_expired(rth)) {
+                                *rthp = rth->dst.rt_next;
+                                rt_free(rth);
+                                continue;
+                        }
+                        if (rth->dst.expires) {
+                                /* Entry is expired even if it is in use */
+                                if (time_before_eq(jiffies, rth->dst.expires)) {
+nofree:
+                                        tmo >>= 1;
+                                        rthp = &rth->dst.rt_next;
+                                        /*
+                                         * We only count entries on
+                                         * a chain with equal hash inputs once
+                                         * so that entries for different QOS
+                                         * levels, and other non-hash input
+                                         * attributes don't unfairly skew
+                                         * the length computation
+                                         */
+                                        length += has_noalias(rt_hash_table[i].chain, rth);
+                                        continue;
+                                }
+                        } else if (!rt_may_expire(rth, tmo, ip_rt_gc_timeout))
+                                goto nofree;
+                        /* Cleanup aged off entries. */
+                        *rthp = rth->dst.rt_next;
+                        rt_free(rth);
+                }
+                spin_unlock_bh(rt_hash_lock_addr(i));
+                sum += length;
+                sum2 += length*length;
+        }
+        if (samples) {
+                unsigned long avg = sum / samples;
+                unsigned long sd = int_sqrt(sum2 / samples - avg*avg);
+                rt_chain_length_max = max_t(unsigned long,
+                                        ip_rt_gc_elasticity,
+                                        (avg + 4*sd) >> FRACT_BITS);
+        }
+        rover = i;
+}
+/*
+ * rt_worker_func() is run in process context.
+ * we call rt_check_expire() to scan part of the hash table
+ */
+static void rt_worker_func(struct work_struct *work)
+{
+        rt_check_expire();
+        schedule_delayed_work(&expires_work, ip_rt_gc_interval);
+}
 /*
 * Perturbation of rt_genid by a small quantity [1..256]
 * Using 8 bits of shuffling ensure we can call rt_cache_invalidate()
@@ -1271,7 +1367,7 @@ void __ip_select_ident(struct iphdr *iph, struct dst_entry *dst, int more)
 {
        struct rtable *rt = (struct rtable *) dst;
-        if (rt) {
+        if (rt && !(rt->dst.flags & DST_NOPEER)) {
                if (rt->peer == NULL)
                        rt_bind_peer(rt, rt->rt_dst, 1);
@@ -1282,7 +1378,7 @@ void __ip_select_ident(struct iphdr *iph, struct dst_entry *dst, int more)
                        iph->id = htons(inet_getid(rt->peer, more));
                        return;
                }
-        } else
+        } else if (!rt)
                printk(KERN_DEBUG "rt_bind_peer(0) @%p\n",
                       __builtin_return_address(0));
@@ -3179,6 +3275,13 @@ static ctl_table ipv4_route_table[] = {
                .proc_handler   = proc_dointvec_jiffies,
        },
        {
+                .procname       = "gc_interval",
+                .data           = &ip_rt_gc_interval,
+                .maxlen         = sizeof(int),
+                .mode           = 0644,
+                .proc_handler   = proc_dointvec_jiffies,
+        },
+        {
                .procname       = "redirect_load",
                .data           = &ip_rt_redirect_load,
                .maxlen         = sizeof(int),
@@ -3388,6 +3491,11 @@ int __init ip_rt_init(void)
        devinet_init();
        ip_fib_init();
+        INIT_DELAYED_WORK_DEFERRABLE(&expires_work, rt_worker_func);
+        expires_ljiffies = jiffies;
+        schedule_delayed_work(&expires_work,
+                net_random() % ip_rt_gc_interval + ip_rt_gc_interval);
        if (ip_rt_proc_init())
                printk(KERN_ERR "Unable to create route proc files\n");
 #ifdef CONFIG_XFRM
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 84d0bd5cac93..ec562713db9b 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -603,7 +603,7 @@ void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt)
        static atomic_t ipv6_fragmentation_id;
        int old, new;
-        if (rt) {
+        if (rt && !(rt->dst.flags & DST_NOPEER)) {
                struct inet_peer *peer;
                if (!rt->rt6i_peer)
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index dfd3a648a551..a18e6c3d36e3 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -833,15 +833,15 @@ static int llc_ui_recvmsg(struct kiocb *iocb, struct socket *sock,
                copied += used;
                len -= used;
+                /* For non stream protcols we get one packet per recvmsg call */
+                if (sk->sk_type != SOCK_STREAM)
+                        goto copy_uaddr;
                if (!(flags & MSG_PEEK)) {
                        sk_eat_skb(sk, skb, 0);
                        *seq = 0;
                }
-                /* For non stream protcols we get one packet per recvmsg call */
-                if (sk->sk_type != SOCK_STREAM)
-                        goto copy_uaddr;
                /* Partial read */
                if (used + offset < skb->len)
                        continue;
@@ -857,6 +857,12 @@ copy_uaddr:
        }
        if (llc_sk(sk)->cmsg_flags)
                llc_cmsg_rcv(msg, skb);
+        if (!(flags & MSG_PEEK)) {
+                        sk_eat_skb(sk, skb, 0);
+                        *seq = 0;
+        }
        goto out;
 }
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 12571fb2881c..29fa5badde75 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -616,7 +616,7 @@ struct ip_vs_dest *ip_vs_try_bind_dest(struct ip_vs_conn *cp)
        if ((cp) && (!cp->dest)) {
                dest = ip_vs_find_dest(ip_vs_conn_net(cp), cp->af, &cp->daddr,
                                       cp->dport, &cp->vaddr, cp->vport,
-                                       cp->protocol, cp->fwmark);
+                                       cp->protocol, cp->fwmark, cp->flags);
                ip_vs_bind_dest(cp, dest);
                return dest;
        } else
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 008bf97cc91a..e1a66cf37f9a 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -619,15 +619,21 @@ struct ip_vs_dest *ip_vs_find_dest(struct net  *net, int af,
                                   const union nf_inet_addr *daddr,
                                   __be16 dport,
                                   const union nf_inet_addr *vaddr,
-                                   __be16 vport, __u16 protocol, __u32 fwmark)
+                                   __be16 vport, __u16 protocol, __u32 fwmark,
+                                   __u32 flags)
 {
        struct ip_vs_dest *dest;
        struct ip_vs_service *svc;
+        __be16 port = dport;
        svc = ip_vs_service_get(net, af, fwmark, protocol, vaddr, vport);
        if (!svc)
                return NULL;
-        dest = ip_vs_lookup_dest(svc, daddr, dport);
+        if (fwmark && (flags & IP_VS_CONN_F_FWD_MASK) != IP_VS_CONN_F_MASQ)
+                port = 0;
+        dest = ip_vs_lookup_dest(svc, daddr, port);
+        if (!dest)
+                dest = ip_vs_lookup_dest(svc, daddr, port ^ dport);
        if (dest)
                atomic_inc(&dest->refcnt);
        ip_vs_service_put(svc);
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index 3cdd479f9b5d..2b6678c0ce14 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -740,7 +740,7 @@ static void ip_vs_proc_conn(struct net *net, struct ip_vs_conn_param *param,
                 * but still handled.
                 */
                dest = ip_vs_find_dest(net, type, daddr, dport, param->vaddr,
-                                       param->vport, protocol, fwmark);
+                                       param->vport, protocol, fwmark, flags);
                /*  Set the approprite ativity flag */
                if (protocol == IPPROTO_TCP) {
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index ef21b221f036..257e77256c5c 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -135,7 +135,7 @@ nla_put_failure:
 static inline int
 ctnetlink_dump_timeout(struct sk_buff *skb, const struct nf_conn *ct)
 {
-        long timeout = (ct->timeout.expires - jiffies) / HZ;
+        long timeout = ((long)ct->timeout.expires - (long)jiffies) / HZ;
        if (timeout < 0)
                timeout = 0;
@@ -1358,12 +1358,15 @@ ctnetlink_create_conntrack(struct net *net, u16 zone,
                                                    nf_ct_protonum(ct));
                if (helper == NULL) {
                        rcu_read_unlock();
+                        spin_unlock_bh(&nf_conntrack_lock);
 #ifdef CONFIG_MODULES
                        if (request_module("nfct-helper-%s", helpname) < 0) {
+                                spin_lock_bh(&nf_conntrack_lock);
                                err = -EOPNOTSUPP;
                                goto err1;
                        }
+                        spin_lock_bh(&nf_conntrack_lock);
                        rcu_read_lock();
                        helper = __nf_conntrack_helper_find(helpname,
                                                            nf_ct_l3num(ct),
@@ -1638,7 +1641,7 @@ ctnetlink_exp_dump_expect(struct sk_buff *skb,
                          const struct nf_conntrack_expect *exp)
 {
        struct nf_conn *master = exp->master;
-        long timeout = (exp->timeout.expires - jiffies) / HZ;
+        long timeout = ((long)exp->timeout.expires - (long)jiffies) / HZ;
        struct nf_conn_help *help;
        if (timeout < 0)
@@ -1869,25 +1872,30 @@ ctnetlink_get_expect(struct sock *ctnl, struct sk_buff *skb,
        err = -ENOMEM;
        skb2 = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
-        if (skb2 == NULL)
+        if (skb2 == NULL) {
+                nf_ct_expect_put(exp);
                goto out;
+        }
        rcu_read_lock();
        err = ctnetlink_exp_fill_info(skb2, NETLINK_CB(skb).pid,
                                      nlh->nlmsg_seq, IPCTNL_MSG_EXP_NEW, exp);
        rcu_read_unlock();
+        nf_ct_expect_put(exp);
        if (err <= 0)
                goto free;
-        nf_ct_expect_put(exp);
+        err = netlink_unicast(ctnl, skb2, NETLINK_CB(skb).pid, MSG_DONTWAIT);
+        if (err < 0)
+                goto out;
-        return netlink_unicast(ctnl, skb2, NETLINK_CB(skb).pid, MSG_DONTWAIT);
+        return 0;
 free:
        kfree_skb(skb2);
 out:
-        nf_ct_expect_put(exp);
+        /* this avoids a loop in nfnetlink. */
-        return err;
+        return err == -EAGAIN ? -ENOBUFS : err;
 }
 static int
diff --git a/net/netfilter/xt_connbytes.c b/net/netfilter/xt_connbytes.c
index 5b138506690e..9ddf1c3bfb39 100644
--- a/net/netfilter/xt_connbytes.c
+++ b/net/netfilter/xt_connbytes.c
@@ -87,10 +87,10 @@ connbytes_mt(const struct sk_buff *skb, struct xt_action_param *par)
                break;
        }
-        if (sinfo->count.to)
+        if (sinfo->count.to >= sinfo->count.from)
                return what <= sinfo->count.to && what >= sinfo->count.from;
-        else
+        else /* inverted */
-                return what >= sinfo->count.from;
+                return what < sinfo->count.to || what > sinfo->count.from;
 }
 static int connbytes_mt_check(const struct xt_mtchk_param *par)
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index 3925c6578767..ea66034499ce 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -69,7 +69,7 @@ static int __nci_request(struct nci_dev *ndev,
        __u32 timeout)
 {
        int rc = 0;
-        unsigned long completion_rc;
+        long completion_rc;
        ndev->req_status = NCI_REQ_PEND;
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 82a6f34d39d0..d9d4970b9b07 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1630,8 +1630,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
        if (snaplen > res)
                snaplen = res;
-        if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
+        if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf)
-            (unsigned)sk->sk_rcvbuf)
                goto drop_n_acct;
        if (skb_shared(skb)) {
@@ -1762,8 +1761,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
        if (po->tp_version <= TPACKET_V2) {
                if (macoff + snaplen > po->rx_ring.frame_size) {
                        if (po->copy_thresh &&
-                                atomic_read(&sk->sk_rmem_alloc) + skb->truesize
+                            atomic_read(&sk->sk_rmem_alloc) < sk->sk_rcvbuf) {
-                                < (unsigned)sk->sk_rcvbuf) {
                                if (skb_shared(skb)) {
                                        copy_skb = skb_clone(skb, GFP_ATOMIC);
                                } else {
@@ -2450,8 +2448,12 @@ static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 protoc
 {
        struct packet_sock *po = pkt_sk(sk);
-        if (po->fanout)
+        if (po->fanout) {
+                if (dev)
+                        dev_put(dev);
                return -EINVAL;
+        }
        lock_sock(sk);
diff --git a/net/sched/sch_mqprio.c b/net/sched/sch_mqprio.c
index f88256cbacbf..28de43092330 100644
--- a/net/sched/sch_mqprio.c
+++ b/net/sched/sch_mqprio.c
@@ -107,7 +107,7 @@ static int mqprio_init(struct Qdisc *sch, struct nlattr *opt)
        if (!netif_is_multiqueue(dev))
                return -EOPNOTSUPP;
-        if (nla_len(opt) < sizeof(*qopt))
+        if (!opt || nla_len(opt) < sizeof(*qopt))
                return -EINVAL;
        qopt = nla_data(opt);
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index eb3b9a86c6ed..a4ab207cdc59 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -488,7 +488,7 @@ static int get_dist_table(struct Qdisc *sch, const struct nlattr *attr)
                return -EINVAL;
        s = sizeof(struct disttable) + n * sizeof(s16);
-        d = kmalloc(s, GFP_KERNEL);
+        d = kmalloc(s, GFP_KERNEL | __GFP_NOWARN);
        if (!d)
                d = vmalloc(s);
        if (!d)
@@ -501,9 +501,10 @@ static int get_dist_table(struct Qdisc *sch, const struct nlattr *attr)
        root_lock = qdisc_root_sleeping_lock(sch);
        spin_lock_bh(root_lock);
-        dist_free(q->delay_dist);
+        swap(q->delay_dist, d);
-        q->delay_dist = d;
        spin_unlock_bh(root_lock);
+        dist_free(d);
        return 0;
 }
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
index 103343408593..7b0325459e71 100644
--- a/net/sched/sch_qfq.c
+++ b/net/sched/sch_qfq.c
@@ -817,11 +817,11 @@ skip_unblock:
 static void qfq_update_start(struct qfq_sched *q, struct qfq_class *cl)
 {
        unsigned long mask;
-        uint32_t limit, roundedF;
+        u64 limit, roundedF;
        int slot_shift = cl->grp->slot_shift;
        roundedF = qfq_round_down(cl->F, slot_shift);
-        limit = qfq_round_down(q->V, slot_shift) + (1UL << slot_shift);
+        limit = qfq_round_down(q->V, slot_shift) + (1ULL << slot_shift);
        if (!qfq_gt(cl->F, q->V) || qfq_gt(roundedF, limit)) {
                /* timestamp was stale */
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 152b5b3c3fff..acd2edbc073e 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -173,7 +173,7 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
        asoc->timeouts[SCTP_EVENT_TIMEOUT_HEARTBEAT] = 0;
        asoc->timeouts[SCTP_EVENT_TIMEOUT_SACK] = asoc->sackdelay;
        asoc->timeouts[SCTP_EVENT_TIMEOUT_AUTOCLOSE] =
-                (unsigned long)sp->autoclose * HZ;
+                min_t(unsigned long, sp->autoclose, sctp_max_autoclose) * HZ;
        /* Initializes the timers */
        for (i = SCTP_EVENT_TIMEOUT_NONE; i < SCTP_NUM_TIMEOUT_TYPES; ++i)
diff --git a/net/sctp/output.c b/net/sctp/output.c
index 08b3cead6503..817174eb5f41 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -697,13 +697,7 @@ static void sctp_packet_append_data(struct sctp_packet *packet,
        /* Keep track of how many bytes are in flight to the receiver. */
        asoc->outqueue.outstanding_bytes += datasize;
-        /* Update our view of the receiver's rwnd. Include sk_buff overhead
+        /* Update our view of the receiver's rwnd. */
-         * while updating peer.rwnd so that it reduces the chances of a
-         * receiver running out of receive buffer space even when receive
-         * window is still open. This can happen when a sender is sending
-         * sending small messages.
-         */
-        datasize += sizeof(struct sk_buff);
        if (datasize < rwnd)
                rwnd -= datasize;
        else
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 14c2b06028ff..cfeb1d4a1ee6 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -411,8 +411,7 @@ void sctp_retransmit_mark(struct sctp_outq *q,
                                        chunk->transport->flight_size -=
                                                        sctp_data_size(chunk);
                                q->outstanding_bytes -= sctp_data_size(chunk);
-                                q->asoc->peer.rwnd += (sctp_data_size(chunk) +
+                                q->asoc->peer.rwnd += sctp_data_size(chunk);
-                                                        sizeof(struct sk_buff));
                        }
                        continue;
                }
@@ -432,8 +431,7 @@ void sctp_retransmit_mark(struct sctp_outq *q,
                         * (Section 7.2.4)), add the data size of those
                         * chunks to the rwnd.
                         */
-                        q->asoc->peer.rwnd += (sctp_data_size(chunk) +
+                        q->asoc->peer.rwnd += sctp_data_size(chunk);
-                                                sizeof(struct sk_buff));
                        q->outstanding_bytes -= sctp_data_size(chunk);
                        if (chunk->transport)
                                transport->flight_size -= sctp_data_size(chunk);
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 61b9fca5a173..6f6ad8686833 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1285,6 +1285,9 @@ SCTP_STATIC __init int sctp_init(void)
        sctp_max_instreams              = SCTP_DEFAULT_INSTREAMS;
        sctp_max_outstreams             = SCTP_DEFAULT_OUTSTREAMS;
+        /* Initialize maximum autoclose timeout. */
+        sctp_max_autoclose              = INT_MAX / HZ;
        /* Initialize handle used for association ids. */
        idr_init(&sctp_assocs_id);
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 13bf5fcdbff1..54a7cd2fdd7a 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2200,8 +2200,6 @@ static int sctp_setsockopt_autoclose(struct sock *sk, char __user *optval,
                return -EINVAL;
        if (copy_from_user(&sp->autoclose, optval, optlen))
                return -EFAULT;
-        /* make sure it won't exceed MAX_SCHEDULE_TIMEOUT */
-        sp->autoclose = min_t(long, sp->autoclose, MAX_SCHEDULE_TIMEOUT / HZ);
        return 0;
 }
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 6b3952961b85..60ffbd067ff7 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -53,6 +53,10 @@ static int sack_timer_min = 1;
 static int sack_timer_max = 500;
 static int addr_scope_max = 3; /* check sctp_scope_policy_t in include/net/sctp/constants.h for max entries */
 static int rwnd_scale_max = 16;
+static unsigned long max_autoclose_min = 0;
+static unsigned long max_autoclose_max =
+        (MAX_SCHEDULE_TIMEOUT / HZ > UINT_MAX)
+        ? UINT_MAX : MAX_SCHEDULE_TIMEOUT / HZ;
 extern long sysctl_sctp_mem[3];
 extern int sysctl_sctp_rmem[3];
@@ -258,6 +262,15 @@ static ctl_table sctp_table[] = {
                .extra1         = &one,
                .extra2         = &rwnd_scale_max,
        },
+        {
+                .procname       = "max_autoclose",
+                .data           = &sctp_max_autoclose,
+                .maxlen         = sizeof(unsigned long),
+                .mode           = 0644,
+                .proc_handler   = &proc_doulongvec_minmax,
+                .extra1         = &max_autoclose_min,
+                .extra2         = &max_autoclose_max,
+        },
        { /* sentinel */ }
 };
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 2118d6446630..9049a5caeb25 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2276,8 +2276,6 @@ static void __xfrm_garbage_collect(struct net *net)
 {
        struct dst_entry *head, *next;
-        flow_cache_flush();
        spin_lock_bh(&xfrm_policy_sk_bundle_lock);
        head = xfrm_policy_sk_bundles;
        xfrm_policy_sk_bundles = NULL;
@@ -2290,6 +2288,18 @@ static void __xfrm_garbage_collect(struct net *net)
        }
 }
+static void xfrm_garbage_collect(struct net *net)
+{
+        flow_cache_flush();
+        __xfrm_garbage_collect(net);
+}
+static void xfrm_garbage_collect_deferred(struct net *net)
+{
+        flow_cache_flush_deferred();
+        __xfrm_garbage_collect(net);
+}
 static void xfrm_init_pmtu(struct dst_entry *dst)
 {
        do {
@@ -2422,7 +2432,7 @@ int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
                if (likely(dst_ops->neigh_lookup == NULL))
                        dst_ops->neigh_lookup = xfrm_neigh_lookup;
                if (likely(afinfo->garbage_collect == NULL))
-                        afinfo->garbage_collect = __xfrm_garbage_collect;
+                        afinfo->garbage_collect = xfrm_garbage_collect_deferred;
                xfrm_policy_afinfo[afinfo->family] = afinfo;
        }
        write_unlock_bh(&xfrm_policy_afinfo_lock);
@@ -2516,7 +2526,7 @@ static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void
        switch (event) {
        case NETDEV_DOWN:
-                __xfrm_garbage_collect(dev_net(dev));
+                xfrm_garbage_collect(dev_net(dev));
        }
        return NOTIFY_DONE;
 }
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index ba573fe7c74d..914833d99b06 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -60,8 +60,8 @@ update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
            --directory=$(srctree) --directory=$(objtree)           \
            --output $(obj)/config.pot
        $(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
-        $(Q)ln -fs Kconfig.x86 arch/um/Kconfig
+        $(Q)(for i in `ls $(srctree)/arch/*/Kconfig      \
-        $(Q)(for i in `ls $(srctree)/arch/*/Kconfig`;    \
+            $(srctree)/arch/*/um/Kconfig`;               \
            do                                           \
                echo "  GEN $$i";                        \
                $(obj)/kxgettext $$i                     \
@@ -69,7 +69,6 @@ update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
            done )
        $(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
            --output $(obj)/linux.pot
-        $(Q)rm -f $(srctree)/arch/um/Kconfig
        $(Q)rm -f $(obj)/config.pot
 PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
diff --git a/scripts/recordmcount.h b/scripts/recordmcount.h
index f40a6af6bf40..54e35c1e5948 100644
--- a/scripts/recordmcount.h
+++ b/scripts/recordmcount.h
@@ -462,7 +462,7 @@ __has_rel_mcount(Elf_Shdr const *const relhdr,  /* is SHT_REL or SHT_RELA */
                succeed_file();
        }
        if (w(txthdr->sh_type) != SHT_PROGBITS ||
-            !(w(txthdr->sh_flags) & SHF_EXECINSTR))
+            !(_w(txthdr->sh_flags) & SHF_EXECINSTR))
                return NULL;
        return txtname;
 }
diff --git a/security/security.c b/security/security.c
index 0c6cc69c8f86..e2f684aeb70c 100644
--- a/security/security.c
+++ b/security/security.c
@@ -381,7 +381,7 @@ int security_old_inode_init_security(struct inode *inode, struct inode *dir,
                                     void **value, size_t *len)
 {
        if (unlikely(IS_PRIVATE(inode)))
-                return 0;
+                return -EOPNOTSUPP;
        return security_ops->inode_init_security(inode, dir, qstr, name, value,
                                                 len);
 }
diff --git a/sound/atmel/ac97c.c b/sound/atmel/ac97c.c
index 6e5addeb236b..73516f69ac7c 100644
--- a/sound/atmel/ac97c.c
+++ b/sound/atmel/ac97c.c
@@ -899,6 +899,10 @@ static void atmel_ac97c_reset(struct atmel_ac97c *chip)
                /* AC97 v2.2 specifications says minimum 1 us. */
                udelay(2);
                gpio_set_value(chip->reset_pin, 1);
+        } else {
+                ac97c_writel(chip, MR, AC97C_MR_WRST | AC97C_MR_ENA);
+                udelay(2);
+                ac97c_writel(chip, MR, AC97C_MR_ENA);
        }
 }
diff --git a/sound/soc/codecs/wm8776.c b/sound/soc/codecs/wm8776.c
index bfdc52370ad0..d3b0a20744f1 100644
--- a/sound/soc/codecs/wm8776.c
+++ b/sound/soc/codecs/wm8776.c
@@ -235,6 +235,7 @@ static int wm8776_hw_params(struct snd_pcm_substream *substream,
        switch (snd_pcm_format_width(params_format(params))) {
        case 16:
                iface = 0;
+                break;
        case 20:
                iface = 0x10;
                break;
diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c
index 3ad0925d23a9..758e3b36d4cf 100644
--- a/virt/kvm/assigned-dev.c
+++ b/virt/kvm/assigned-dev.c
@@ -17,6 +17,8 @@
 #include <linux/pci.h>
 #include <linux/interrupt.h>
 #include <linux/slab.h>
+#include <linux/namei.h>
+#include <linux/fs.h>
 #include "irq.h"
 static struct kvm_assigned_dev_kernel *kvm_find_assigned_dev(struct list_head *head,
@@ -480,12 +482,76 @@ out:
        return r;
 }
+/*
+ * We want to test whether the caller has been granted permissions to
+ * use this device.  To be able to configure and control the device,
+ * the user needs access to PCI configuration space and BAR resources.
+ * These are accessed through PCI sysfs.  PCI config space is often
+ * passed to the process calling this ioctl via file descriptor, so we
+ * can't rely on access to that file.  We can check for permissions
+ * on each of the BAR resource files, which is a pretty clear
+ * indicator that the user has been granted access to the device.
+ */
+static int probe_sysfs_permissions(struct pci_dev *dev)
+{
+#ifdef CONFIG_SYSFS
+        int i;
+        bool bar_found = false;
+        for (i = PCI_STD_RESOURCES; i <= PCI_STD_RESOURCE_END; i++) {
+                char *kpath, *syspath;
+                struct path path;
+                struct inode *inode;
+                int r;
+                if (!pci_resource_len(dev, i))
+                        continue;
+                kpath = kobject_get_path(&dev->dev.kobj, GFP_KERNEL);
+                if (!kpath)
+                        return -ENOMEM;
+                /* Per sysfs-rules, sysfs is always at /sys */
+                syspath = kasprintf(GFP_KERNEL, "/sys%s/resource%d", kpath, i);
+                kfree(kpath);
+                if (!syspath)
+                        return -ENOMEM;
+                r = kern_path(syspath, LOOKUP_FOLLOW, &path);
+                kfree(syspath);
+                if (r)
+                        return r;
+                inode = path.dentry->d_inode;
+                r = inode_permission(inode, MAY_READ | MAY_WRITE | MAY_ACCESS);
+                path_put(&path);
+                if (r)
+                        return r;
+                bar_found = true;
+        }
+        /* If no resources, probably something special */
+        if (!bar_found)
+                return -EPERM;
+        return 0;
+#else
+        return -EINVAL; /* No way to control the device without sysfs */
+#endif
+}
 static int kvm_vm_ioctl_assign_device(struct kvm *kvm,
                                      struct kvm_assigned_pci_dev *assigned_dev)
 {
        int r = 0, idx;
        struct kvm_assigned_dev_kernel *match;
        struct pci_dev *dev;
+        u8 header_type;
+        if (!(assigned_dev->flags & KVM_DEV_ASSIGN_ENABLE_IOMMU))
+                return -EINVAL;
        mutex_lock(&kvm->lock);
        idx = srcu_read_lock(&kvm->srcu);
@@ -513,6 +579,18 @@ static int kvm_vm_ioctl_assign_device(struct kvm *kvm,
                r = -EINVAL;
                goto out_free;
        }
+        /* Don't allow bridges to be assigned */
+        pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type);
+        if ((header_type & PCI_HEADER_TYPE) != PCI_HEADER_TYPE_NORMAL) {
+                r = -EPERM;
+                goto out_put;
+        }
+        r = probe_sysfs_permissions(dev);
+        if (r)
+                goto out_put;
        if (pci_enable_device(dev)) {
                printk(KERN_INFO "%s: Could not enable PCI device\n", __func__);
                r = -EBUSY;
@@ -544,16 +622,14 @@ static int kvm_vm_ioctl_assign_device(struct kvm *kvm,
        list_add(&match->list, &kvm->arch.assigned_dev_head);
-        if (assigned_dev->flags & KVM_DEV_ASSIGN_ENABLE_IOMMU) {
+        if (!kvm->arch.iommu_domain) {
-                if (!kvm->arch.iommu_domain) {
+                r = kvm_iommu_map_guest(kvm);
-                        r = kvm_iommu_map_guest(kvm);
-                        if (r)
-                                goto out_list_del;
-                }
-                r = kvm_assign_device(kvm, match);
                if (r)
                        goto out_list_del;
        }
+        r = kvm_assign_device(kvm, match);
+        if (r)
+                goto out_list_del;
 out:
        srcu_read_unlock(&kvm->srcu, idx);
@@ -593,8 +669,7 @@ static int kvm_vm_ioctl_deassign_device(struct kvm *kvm,
                goto out;
        }
-        if (match->flags & KVM_DEV_ASSIGN_ENABLE_IOMMU)
+        kvm_deassign_device(kvm, match);
-                kvm_deassign_device(kvm, match);
        kvm_free_assigned_device(kvm, match);
author	Ingo Molnar <mingo@elte.hu>	2012-01-17 03:51:46 -0500
committer	Ingo Molnar <mingo@elte.hu>	2012-01-17 03:51:46 -0500
commit	6eadf1075c6f923fece419e38cf05bff559aefcd (patch)
tree	b743ce0a3743d6f1b915b19b077a6d5bad980ea1
parent	a1c611745c8c4e8996c1877d4e5d0fc95f227c38 (diff)
parent	c10076c4304083af15a41f6bc5e657e781c1f9a6 (diff)