280 files changed, 2574 insertions, 1653 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-st.txt b/Documentation/devicetree/bindings/i2c/i2c-st.txt
index 437e0db3823c..4c26fda3844a 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-st.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-st.txt
@@ -31,7 +31,7 @@ i2c0: i2c@fed40000 {
        compatible      = "st,comms-ssc4-i2c";
        reg             = <0xfed40000 0x110>;
        interrupts      =  <GIC_SPI 187 IRQ_TYPE_LEVEL_HIGH>;
-        clocks          = <&CLK_S_ICN_REG_0>;
+        clocks          = <&clk_s_a0_ls CLK_ICN_REG>;
        clock-names     = "ssc";
        clock-frequency = <400000>;
        pinctrl-names   = "default";
diff --git a/Documentation/devicetree/bindings/i2c/trivial-devices.txt b/Documentation/devicetree/bindings/i2c/trivial-devices.txt
index 9f4e3824e71e..9f41d05be3be 100644
--- a/Documentation/devicetree/bindings/i2c/trivial-devices.txt
+++ b/Documentation/devicetree/bindings/i2c/trivial-devices.txt
@@ -47,6 +47,7 @@ dallas,ds3232		Extremely Accurate I²C RTC with Integrated Crystal and SRAM
 dallas,ds4510           CPU Supervisor with Nonvolatile Memory and Programmable I/O
 dallas,ds75             Digital Thermometer and Thermostat
 dlg,da9053              DA9053: flexible system level PMIC with multicore support
+dlg,da9063              DA9063: system PMIC for quad-core application processors
 epson,rx8025            High-Stability. I2C-Bus INTERFACE REAL TIME CLOCK MODULE
 epson,rx8581            I2C-BUS INTERFACE REAL TIME CLOCK MODULE
 fsl,mag3110             MAG3110: Xtrinsic High Accuracy, 3D Magnetometer
diff --git a/Documentation/networking/netlink_mmap.txt b/Documentation/networking/netlink_mmap.txt
index c6af4bac5aa8..54f10478e8e3 100644
--- a/Documentation/networking/netlink_mmap.txt
+++ b/Documentation/networking/netlink_mmap.txt
@@ -199,16 +199,9 @@ frame header.
 TX limitations
 --------------
-Kernel processing usually involves validation of the message received by
+As of Jan 2015 the message is always copied from the ring frame to an
-user-space, then processing its contents. The kernel must assure that
+allocated buffer due to unresolved security concerns.
-userspace is not able to modify the message contents after they have been
+See commit 4682a0358639b29cf ("netlink: Always copy on mmap TX.").
-validated. In order to do so, the message is copied from the ring frame
-to an allocated buffer if either of these conditions is false:
- only a single mapping of the ring exists
- the file descriptor is not shared between processes
-This means that for threaded programs, the kernel will fall back to copying.
 Example
 -------
diff --git a/MAINTAINERS b/MAINTAINERS
index 3c3bf861d78d..2b3aca7e40b9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -708,6 +708,16 @@ X:	drivers/iio/*/adjd*
 F:      drivers/staging/iio/*/ad*
 F:      staging/iio/trigger/iio-trig-bfin-timer.c
+ANDROID DRIVERS
+M:      Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+M:      Arve Hj�nnev�g <arve@android.com>
+M:      Riley Andrews <riandrews@android.com>
+T:      git git://git.kernel.org/pub/scm/linux/kernel/gregkh/staging.git
+L:      devel@driverdev.osuosl.org
+S:      Supported
+F:      drivers/android/
+F:      drivers/staging/android/
 AOA (Apple Onboard Audio) ALSA DRIVER
 M:      Johannes Berg <johannes@sipsolutions.net>
 L:      linuxppc-dev@lists.ozlabs.org
@@ -10181,6 +10191,7 @@ USERSPACE I/O (UIO)
 M:      "Hans J. Koch" <hjk@hansjkoch.de>
 M:      Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 S:      Maintained
+T:      git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
 F:      Documentation/DocBook/uio-howto.tmpl
 F:      drivers/uio/
 F:      include/linux/uio*.h
diff --git a/Makefile b/Makefile
index 95a0e827ecd3..c8e17c05f916 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 19
 SUBLEVEL = 0
-EXTRAVERSION = -rc6
+EXTRAVERSION = -rc7
 NAME = Diseased Newt
 # *DOCUMENTATION*
diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
index 98838a05ba6d..9d0ac091a52a 100644
--- a/arch/alpha/mm/fault.c
+++ b/arch/alpha/mm/fault.c
@@ -156,6 +156,8 @@ retry:
        if (unlikely(fault & VM_FAULT_ERROR)) {
                if (fault & VM_FAULT_OOM)
                        goto out_of_memory;
+                else if (fault & VM_FAULT_SIGSEGV)
+                        goto bad_area;
                else if (fault & VM_FAULT_SIGBUS)
                        goto do_sigbus;
                BUG();
diff --git a/arch/arc/mm/fault.c b/arch/arc/mm/fault.c
index 6f7e3a68803a..563cb27e37f5 100644
--- a/arch/arc/mm/fault.c
+++ b/arch/arc/mm/fault.c
@@ -161,6 +161,8 @@ good_area:
        if (fault & VM_FAULT_OOM)
                goto out_of_memory;
+        else if (fault & VM_FAULT_SIGSEGV)
+                goto bad_area;
        else if (fault & VM_FAULT_SIGBUS)
                goto do_sigbus;
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 68be9017593d..132c70e2d2f1 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -263,16 +263,37 @@ restart:	adr	r0, LC0
                 * OK... Let's do some funky business here.
                 * If we do have a DTB appended to zImage, and we do have
                 * an ATAG list around, we want the later to be translated
-                 * and folded into the former here.  To be on the safe side,
+                 * and folded into the former here. No GOT fixup has occurred
-                 * let's temporarily move  the stack away into the malloc
+                 * yet, but none of the code we're about to call uses any
-                 * area.  No GOT fixup has occurred yet, but none of the
+                 * global variable.
-                 * code we're about to call uses any global variable.
                */
-                add     sp, sp, #0x10000
+                /* Get the initial DTB size */
+                ldr     r5, [r6, #4]
+#ifndef __ARMEB__
+                /* convert to little endian */
+                eor     r1, r5, r5, ror #16
+                bic     r1, r1, #0x00ff0000
+                mov     r5, r5, ror #8
+                eor     r5, r5, r1, lsr #8
+#endif
+                /* 50% DTB growth should be good enough */
+                add     r5, r5, r5, lsr #1
+                /* preserve 64-bit alignment */
+                add     r5, r5, #7
+                bic     r5, r5, #7
+                /* clamp to 32KB min and 1MB max */
+                cmp     r5, #(1 << 15)
+                movlo   r5, #(1 << 15)
+                cmp     r5, #(1 << 20)
+                movhi   r5, #(1 << 20)
+                /* temporarily relocate the stack past the DTB work space */
+                add     sp, sp, r5
                stmfd   sp!, {r0-r3, ip, lr}
                mov     r0, r8
                mov     r1, r6
-                sub     r2, sp, r6
+                mov     r2, r5
                bl      atags_to_fdt
                /*
@@ -285,11 +306,11 @@ restart:	adr	r0, LC0
                bic     r0, r0, #1
                add     r0, r0, #0x100
                mov     r1, r6
-                sub     r2, sp, r6
+                mov     r2, r5
                bleq    atags_to_fdt
                ldmfd   sp!, {r0-r3, ip, lr}
-                sub     sp, sp, #0x10000
+                sub     sp, sp, r5
 #endif
                mov     r8, r6                  @ use the appended device tree
@@ -306,7 +327,7 @@ restart:	adr	r0, LC0
                subs    r1, r5, r1
                addhi   r9, r9, r1
-                /* Get the dtb's size */
+                /* Get the current DTB size */
                ldr     r5, [r6, #4]
 #ifndef __ARMEB__
                /* convert r5 (dtb size) to little endian */
diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
index 7b4099fcf817..d5c4669224b1 100644
--- a/arch/arm/boot/dts/sun4i-a10.dtsi
+++ b/arch/arm/boot/dts/sun4i-a10.dtsi
@@ -17,14 +17,6 @@
        aliases {
                ethernet0 = &emac;
-                serial0 = &uart0;
-                serial1 = &uart1;
-                serial2 = &uart2;
-                serial3 = &uart3;
-                serial4 = &uart4;
-                serial5 = &uart5;
-                serial6 = &uart6;
-                serial7 = &uart7;
        };
        chosen {
@@ -39,6 +31,14 @@
                                 <&ahb_gates 44>;
                        status = "disabled";
                };
+                framebuffer@1 {
+                        compatible = "allwinner,simple-framebuffer", "simple-framebuffer";
+                        allwinner,pipeline = "de_fe0-de_be0-lcd0-hdmi";
+                        clocks = <&pll5 1>, <&ahb_gates 36>, <&ahb_gates 43>,
+                                 <&ahb_gates 44>, <&ahb_gates 46>;
+                        status = "disabled";
+                };
        };
        cpus {
@@ -438,8 +438,8 @@
                        reg-names = "phy_ctrl", "pmu1", "pmu2";
                        clocks = <&usb_clk 8>;
                        clock-names = "usb_phy";
-                        resets = <&usb_clk 1>, <&usb_clk 2>;
+                        resets = <&usb_clk 0>, <&usb_clk 1>, <&usb_clk 2>;
-                        reset-names = "usb1_reset", "usb2_reset";
+                        reset-names = "usb0_reset", "usb1_reset", "usb2_reset";
                        status = "disabled";
                };
diff --git a/arch/arm/boot/dts/sun5i-a10s-olinuxino-micro.dts b/arch/arm/boot/dts/sun5i-a10s-olinuxino-micro.dts
index fe3c559ca6a8..bfa742817690 100644
--- a/arch/arm/boot/dts/sun5i-a10s-olinuxino-micro.dts
+++ b/arch/arm/boot/dts/sun5i-a10s-olinuxino-micro.dts
@@ -55,6 +55,12 @@
        model = "Olimex A10s-Olinuxino Micro";
        compatible = "olimex,a10s-olinuxino-micro", "allwinner,sun5i-a10s";
+        aliases {
+                serial0 = &uart0;
+                serial1 = &uart2;
+                serial2 = &uart3;
+        };
        soc@01c00000 {
                emac: ethernet@01c0b000 {
                        pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/sun5i-a10s.dtsi b/arch/arm/boot/dts/sun5i-a10s.dtsi
index 1b76667f3182..2e7d8263799d 100644
--- a/arch/arm/boot/dts/sun5i-a10s.dtsi
+++ b/arch/arm/boot/dts/sun5i-a10s.dtsi
@@ -18,10 +18,6 @@
        aliases {
                ethernet0 = &emac;
-                serial0 = &uart0;
-                serial1 = &uart1;
-                serial2 = &uart2;
-                serial3 = &uart3;
        };
        chosen {
@@ -390,8 +386,8 @@
                        reg-names = "phy_ctrl", "pmu1";
                        clocks = <&usb_clk 8>;
                        clock-names = "usb_phy";
-                        resets = <&usb_clk 1>;
+                        resets = <&usb_clk 0>, <&usb_clk 1>;
-                        reset-names = "usb1_reset";
+                        reset-names = "usb0_reset", "usb1_reset";
                        status = "disabled";
                };
diff --git a/arch/arm/boot/dts/sun5i-a13-hsg-h702.dts b/arch/arm/boot/dts/sun5i-a13-hsg-h702.dts
index eeed1f236ee8..c7be3abd9fcc 100644
--- a/arch/arm/boot/dts/sun5i-a13-hsg-h702.dts
+++ b/arch/arm/boot/dts/sun5i-a13-hsg-h702.dts
@@ -53,6 +53,10 @@
        model = "HSG H702";
        compatible = "hsg,h702", "allwinner,sun5i-a13";
+        aliases {
+                serial0 = &uart1;
+        };
        soc@01c00000 {
                mmc0: mmc@01c0f000 {
                        pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/sun5i-a13-olinuxino-micro.dts b/arch/arm/boot/dts/sun5i-a13-olinuxino-micro.dts
index 916ee8bb826f..3decefb3c37a 100644
--- a/arch/arm/boot/dts/sun5i-a13-olinuxino-micro.dts
+++ b/arch/arm/boot/dts/sun5i-a13-olinuxino-micro.dts
@@ -54,6 +54,10 @@
        model = "Olimex A13-Olinuxino Micro";
        compatible = "olimex,a13-olinuxino-micro", "allwinner,sun5i-a13";
+        aliases {
+                serial0 = &uart1;
+        };
        soc@01c00000 {
                mmc0: mmc@01c0f000 {
                        pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/sun5i-a13-olinuxino.dts b/arch/arm/boot/dts/sun5i-a13-olinuxino.dts
index e31d291d14cb..b421f7fa197b 100644
--- a/arch/arm/boot/dts/sun5i-a13-olinuxino.dts
+++ b/arch/arm/boot/dts/sun5i-a13-olinuxino.dts
@@ -55,6 +55,10 @@
        model = "Olimex A13-Olinuxino";
        compatible = "olimex,a13-olinuxino", "allwinner,sun5i-a13";
+        aliases {
+                serial0 = &uart1;
+        };
        soc@01c00000 {
                mmc0: mmc@01c0f000 {
                        pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/sun5i-a13.dtsi b/arch/arm/boot/dts/sun5i-a13.dtsi
index c35217ea1f64..c556688f8b8b 100644
--- a/arch/arm/boot/dts/sun5i-a13.dtsi
+++ b/arch/arm/boot/dts/sun5i-a13.dtsi
@@ -16,11 +16,6 @@
 / {
        interrupt-parent = <&intc>;
-        aliases {
-                serial0 = &uart1;
-                serial1 = &uart3;
-        };
        cpus {
                #address-cells = <1>;
                #size-cells = <0>;
@@ -349,8 +344,8 @@
                        reg-names = "phy_ctrl", "pmu1";
                        clocks = <&usb_clk 8>;
                        clock-names = "usb_phy";
-                        resets = <&usb_clk 1>;
+                        resets = <&usb_clk 0>, <&usb_clk 1>;
-                        reset-names = "usb1_reset";
+                        reset-names = "usb0_reset", "usb1_reset";
                        status = "disabled";
                };
diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi
index f47156b6572b..1e7e7bcf8307 100644
--- a/arch/arm/boot/dts/sun6i-a31.dtsi
+++ b/arch/arm/boot/dts/sun6i-a31.dtsi
@@ -53,12 +53,6 @@
        interrupt-parent = <&gic>;
        aliases {
-                serial0 = &uart0;
-                serial1 = &uart1;
-                serial2 = &uart2;
-                serial3 = &uart3;
-                serial4 = &uart4;
-                serial5 = &uart5;
                ethernet0 = &gmac;
        };
diff --git a/arch/arm/boot/dts/sun7i-a20-bananapi.dts b/arch/arm/boot/dts/sun7i-a20-bananapi.dts
index 1cf1214cc068..bd7b15add697 100644
--- a/arch/arm/boot/dts/sun7i-a20-bananapi.dts
+++ b/arch/arm/boot/dts/sun7i-a20-bananapi.dts
@@ -55,6 +55,12 @@
        model = "LeMaker Banana Pi";
        compatible = "lemaker,bananapi", "allwinner,sun7i-a20";
+        aliases {
+                serial0 = &uart0;
+                serial1 = &uart3;
+                serial2 = &uart7;
+        };
        soc@01c00000 {
                spi0: spi@01c05000 {
                        pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/sun7i-a20-hummingbird.dts b/arch/arm/boot/dts/sun7i-a20-hummingbird.dts
index 0e4bfa3b2b85..0bcefcbbb756 100644
--- a/arch/arm/boot/dts/sun7i-a20-hummingbird.dts
+++ b/arch/arm/boot/dts/sun7i-a20-hummingbird.dts
@@ -19,6 +19,14 @@
        model = "Merrii A20 Hummingbird";
        compatible = "merrii,a20-hummingbird", "allwinner,sun7i-a20";
+        aliases {
+                serial0 = &uart0;
+                serial1 = &uart2;
+                serial2 = &uart3;
+                serial3 = &uart4;
+                serial4 = &uart5;
+        };
        soc@01c00000 {
                mmc0: mmc@01c0f000 {
                        pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
index 9d669cdf031d..66cc77707198 100644
--- a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
+++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
@@ -20,6 +20,9 @@
        compatible = "olimex,a20-olinuxino-micro", "allwinner,sun7i-a20";
        aliases {
+                serial0 = &uart0;
+                serial1 = &uart6;
+                serial2 = &uart7;
                spi0 = &spi1;
                spi1 = &spi2;
        };
diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index e21ce5992d56..89749ce34a84 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -54,14 +54,6 @@
        aliases {
                ethernet0 = &gmac;
-                serial0 = &uart0;
-                serial1 = &uart1;
-                serial2 = &uart2;
-                serial3 = &uart3;
-                serial4 = &uart4;
-                serial5 = &uart5;
-                serial6 = &uart6;
-                serial7 = &uart7;
        };
        chosen {
diff --git a/arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts b/arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts
index 7f2117ce6985..32ad80804dbb 100644
--- a/arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts
+++ b/arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts
@@ -55,6 +55,10 @@
        model = "Ippo Q8H Dual Core Tablet (v5)";
        compatible = "ippo,q8h-v5", "allwinner,sun8i-a23";
+        aliases {
+                serial0 = &r_uart;
+        };
        chosen {
                bootargs = "earlyprintk console=ttyS0,115200";
        };
diff --git a/arch/arm/boot/dts/sun8i-a23.dtsi b/arch/arm/boot/dts/sun8i-a23.dtsi
index 0746cd1024d7..86584fcf5e32 100644
--- a/arch/arm/boot/dts/sun8i-a23.dtsi
+++ b/arch/arm/boot/dts/sun8i-a23.dtsi
@@ -52,15 +52,6 @@
 / {
        interrupt-parent = <&gic>;
-        aliases {
-                serial0 = &uart0;
-                serial1 = &uart1;
-                serial2 = &uart2;
-                serial3 = &uart3;
-                serial4 = &uart4;
-                serial5 = &r_uart;
-        };
        cpus {
                #address-cells = <1>;
                #size-cells = <0>;
diff --git a/arch/arm/boot/dts/sun9i-a80-optimus.dts b/arch/arm/boot/dts/sun9i-a80-optimus.dts
index 506948f582ee..11ec71072e81 100644
--- a/arch/arm/boot/dts/sun9i-a80-optimus.dts
+++ b/arch/arm/boot/dts/sun9i-a80-optimus.dts
@@ -54,6 +54,11 @@
        model = "Merrii A80 Optimus Board";
        compatible = "merrii,a80-optimus", "allwinner,sun9i-a80";
+        aliases {
+                serial0 = &uart0;
+                serial1 = &uart4;
+        };
        chosen {
                bootargs = "earlyprintk console=ttyS0,115200";
        };
diff --git a/arch/arm/boot/dts/sun9i-a80.dtsi b/arch/arm/boot/dts/sun9i-a80.dtsi
index 494714f67b57..9ef4438206a9 100644
--- a/arch/arm/boot/dts/sun9i-a80.dtsi
+++ b/arch/arm/boot/dts/sun9i-a80.dtsi
@@ -52,16 +52,6 @@
 / {
        interrupt-parent = <&gic>;
-        aliases {
-                serial0 = &uart0;
-                serial1 = &uart1;
-                serial2 = &uart2;
-                serial3 = &uart3;
-                serial4 = &uart4;
-                serial5 = &uart5;
-                serial6 = &r_uart;
-        };
        cpus {
                #address-cells = <1>;
                #size-cells = <0>;
diff --git a/arch/arm/include/asm/kvm_emulate.h b/arch/arm/include/asm/kvm_emulate.h
index 66ce17655bb9..7b0152321b20 100644
--- a/arch/arm/include/asm/kvm_emulate.h
+++ b/arch/arm/include/asm/kvm_emulate.h
@@ -38,6 +38,16 @@ static inline void vcpu_reset_hcr(struct kvm_vcpu *vcpu)
        vcpu->arch.hcr = HCR_GUEST_MASK;
 }
+static inline unsigned long vcpu_get_hcr(struct kvm_vcpu *vcpu)
+{
+        return vcpu->arch.hcr;
+}
+static inline void vcpu_set_hcr(struct kvm_vcpu *vcpu, unsigned long hcr)
+{
+        vcpu->arch.hcr = hcr;
+}
 static inline bool vcpu_mode_is_32bit(struct kvm_vcpu *vcpu)
 {
        return 1;
diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h
index 254e0650e48b..04b4ea0b550a 100644
--- a/arch/arm/include/asm/kvm_host.h
+++ b/arch/arm/include/asm/kvm_host.h
@@ -125,9 +125,6 @@ struct kvm_vcpu_arch {
         * Anything that is not used directly from assembly code goes
         * here.
         */
-        /* dcache set/way operation pending */
-        int last_pcpu;
-        cpumask_t require_dcache_flush;
        /* Don't run the guest on this vcpu */
        bool pause;
diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h
index 63e0ecc04901..1bca8f8af442 100644
--- a/arch/arm/include/asm/kvm_mmu.h
+++ b/arch/arm/include/asm/kvm_mmu.h
@@ -44,6 +44,7 @@
 #ifndef __ASSEMBLY__
+#include <linux/highmem.h>
 #include <asm/cacheflush.h>
 #include <asm/pgalloc.h>
@@ -161,13 +162,10 @@ static inline bool vcpu_has_cache_enabled(struct kvm_vcpu *vcpu)
        return (vcpu->arch.cp15[c1_SCTLR] & 0b101) == 0b101;
 }
-static inline void coherent_cache_guest_page(struct kvm_vcpu *vcpu, hva_t hva,
+static inline void __coherent_cache_guest_page(struct kvm_vcpu *vcpu, pfn_t pfn,
-                                             unsigned long size,
+                                               unsigned long size,
-                                             bool ipa_uncached)
+                                               bool ipa_uncached)
 {
-        if (!vcpu_has_cache_enabled(vcpu) || ipa_uncached)
-                kvm_flush_dcache_to_poc((void *)hva, size);
-        
        /*
         * If we are going to insert an instruction page and the icache is
         * either VIPT or PIPT, there is a potential problem where the host
@@ -179,18 +177,77 @@ static inline void coherent_cache_guest_page(struct kvm_vcpu *vcpu, hva_t hva,
         *
         * VIVT caches are tagged using both the ASID and the VMID and doesn't
         * need any kind of flushing (DDI 0406C.b - Page B3-1392).
+         *
+         * We need to do this through a kernel mapping (using the
+         * user-space mapping has proved to be the wrong
+         * solution). For that, we need to kmap one page at a time,
+         * and iterate over the range.
         */
-        if (icache_is_pipt()) {
-                __cpuc_coherent_user_range(hva, hva + size);
+        bool need_flush = !vcpu_has_cache_enabled(vcpu) || ipa_uncached;
-        } else if (!icache_is_vivt_asid_tagged()) {
+        VM_BUG_ON(size & PAGE_MASK);
+        if (!need_flush && !icache_is_pipt())
+                goto vipt_cache;
+        while (size) {
+                void *va = kmap_atomic_pfn(pfn);
+                if (need_flush)
+                        kvm_flush_dcache_to_poc(va, PAGE_SIZE);
+                if (icache_is_pipt())
+                        __cpuc_coherent_user_range((unsigned long)va,
+                                                   (unsigned long)va + PAGE_SIZE);
+                size -= PAGE_SIZE;
+                pfn++;
+                kunmap_atomic(va);
+        }
+vipt_cache:
+        if (!icache_is_pipt() && !icache_is_vivt_asid_tagged()) {
                /* any kind of VIPT cache */
                __flush_icache_all();
        }
 }
+static inline void __kvm_flush_dcache_pte(pte_t pte)
+{
+        void *va = kmap_atomic(pte_page(pte));
+        kvm_flush_dcache_to_poc(va, PAGE_SIZE);
+        kunmap_atomic(va);
+}
+static inline void __kvm_flush_dcache_pmd(pmd_t pmd)
+{
+        unsigned long size = PMD_SIZE;
+        pfn_t pfn = pmd_pfn(pmd);
+        while (size) {
+                void *va = kmap_atomic_pfn(pfn);
+                kvm_flush_dcache_to_poc(va, PAGE_SIZE);
+                pfn++;
+                size -= PAGE_SIZE;
+                kunmap_atomic(va);
+        }
+}
+static inline void __kvm_flush_dcache_pud(pud_t pud)
+{
+}
 #define kvm_virt_to_phys(x)             virt_to_idmap((unsigned long)(x))
-void stage2_flush_vm(struct kvm *kvm);
+void kvm_set_way_flush(struct kvm_vcpu *vcpu);
+void kvm_toggle_cache(struct kvm_vcpu *vcpu, bool was_enabled);
 #endif  /* !__ASSEMBLY__ */
diff --git a/arch/arm/kernel/entry-v7m.S b/arch/arm/kernel/entry-v7m.S
index 2260f1855820..8944f4991c3c 100644
--- a/arch/arm/kernel/entry-v7m.S
+++ b/arch/arm/kernel/entry-v7m.S
@@ -22,10 +22,12 @@
 __invalid_entry:
        v7m_exception_entry
+#ifdef CONFIG_PRINTK
        adr     r0, strerr
        mrs     r1, ipsr
        mov     r2, lr
        bl      printk
+#endif
        mov     r0, sp
        bl      show_regs
 1:      b       1b
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index 2d6d91001062..0b0d58a905c4 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -281,15 +281,6 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
        vcpu->cpu = cpu;
        vcpu->arch.host_cpu_context = this_cpu_ptr(kvm_host_cpu_state);
-        /*
-         * Check whether this vcpu requires the cache to be flushed on
-         * this physical CPU. This is a consequence of doing dcache
-         * operations by set/way on this vcpu. We do it here to be in
-         * a non-preemptible section.
-         */
-        if (cpumask_test_and_clear_cpu(cpu, &vcpu->arch.require_dcache_flush))
-                flush_cache_all(); /* We'd really want v7_flush_dcache_all() */
        kvm_arm_set_running_vcpu(vcpu);
 }
@@ -541,7 +532,6 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
                ret = kvm_call_hyp(__kvm_vcpu_run, vcpu);
                vcpu->mode = OUTSIDE_GUEST_MODE;
-                vcpu->arch.last_pcpu = smp_processor_id();
                kvm_guest_exit();
                trace_kvm_exit(*vcpu_pc(vcpu));
                /*
diff --git a/arch/arm/kvm/coproc.c b/arch/arm/kvm/coproc.c
index 7928dbdf2102..f3d88dc388bc 100644
--- a/arch/arm/kvm/coproc.c
+++ b/arch/arm/kvm/coproc.c
@@ -189,82 +189,40 @@ static bool access_l2ectlr(struct kvm_vcpu *vcpu,
        return true;
 }
-/* See note at ARM ARM B1.14.4 */
+/*
+ * See note at ARMv7 ARM B1.14.4 (TL;DR: S/W ops are not easily virtualized).
+ */
 static bool access_dcsw(struct kvm_vcpu *vcpu,
                        const struct coproc_params *p,
                        const struct coproc_reg *r)
 {
-        unsigned long val;
-        int cpu;
        if (!p->is_write)
                return read_from_write_only(vcpu, p);
-        cpu = get_cpu();
+        kvm_set_way_flush(vcpu);
-        cpumask_setall(&vcpu->arch.require_dcache_flush);
-        cpumask_clear_cpu(cpu, &vcpu->arch.require_dcache_flush);
-        /* If we were already preempted, take the long way around */
-        if (cpu != vcpu->arch.last_pcpu) {
-                flush_cache_all();
-                goto done;
-        }
-        val = *vcpu_reg(vcpu, p->Rt1);
-        switch (p->CRm) {
-        case 6:                 /* Upgrade DCISW to DCCISW, as per HCR.SWIO */
-        case 14:                /* DCCISW */
-                asm volatile("mcr p15, 0, %0, c7, c14, 2" : : "r" (val));
-                break;
-        case 10:                /* DCCSW */
-                asm volatile("mcr p15, 0, %0, c7, c10, 2" : : "r" (val));
-                break;
-        }
-done:
-        put_cpu();
        return true;
 }
 /*
 * Generic accessor for VM registers. Only called as long as HCR_TVM
- * is set.
+ * is set.  If the guest enables the MMU, we stop trapping the VM
+ * sys_regs and leave it in complete control of the caches.
+ *
+ * Used by the cpu-specific code.
 */
-static bool access_vm_reg(struct kvm_vcpu *vcpu,
+bool access_vm_reg(struct kvm_vcpu *vcpu,
-                          const struct coproc_params *p,
+                   const struct coproc_params *p,
-                          const struct coproc_reg *r)
+                   const struct coproc_reg *r)
 {
+        bool was_enabled = vcpu_has_cache_enabled(vcpu);
        BUG_ON(!p->is_write);
        vcpu->arch.cp15[r->reg] = *vcpu_reg(vcpu, p->Rt1);
        if (p->is_64bit)
                vcpu->arch.cp15[r->reg + 1] = *vcpu_reg(vcpu, p->Rt2);
-        return true;
+        kvm_toggle_cache(vcpu, was_enabled);
-}
-/*
- * SCTLR accessor. Only called as long as HCR_TVM is set.  If the
- * guest enables the MMU, we stop trapping the VM sys_regs and leave
- * it in complete control of the caches.
- *
- * Used by the cpu-specific code.
- */
-bool access_sctlr(struct kvm_vcpu *vcpu,
-                  const struct coproc_params *p,
-                  const struct coproc_reg *r)
-{
-        access_vm_reg(vcpu, p, r);
-        if (vcpu_has_cache_enabled(vcpu)) {     /* MMU+Caches enabled? */
-                vcpu->arch.hcr &= ~HCR_TVM;
-                stage2_flush_vm(vcpu->kvm);
-        }
        return true;
 }
diff --git a/arch/arm/kvm/coproc.h b/arch/arm/kvm/coproc.h
index 1a44bbe39643..88d24a3a9778 100644
--- a/arch/arm/kvm/coproc.h
+++ b/arch/arm/kvm/coproc.h
@@ -153,8 +153,8 @@ static inline int cmp_reg(const struct coproc_reg *i1,
 #define is64            .is_64 = true
 #define is32            .is_64 = false
-bool access_sctlr(struct kvm_vcpu *vcpu,
+bool access_vm_reg(struct kvm_vcpu *vcpu,
-                  const struct coproc_params *p,
+                   const struct coproc_params *p,
-                  const struct coproc_reg *r);
+                   const struct coproc_reg *r);
 #endif /* __ARM_KVM_COPROC_LOCAL_H__ */
diff --git a/arch/arm/kvm/coproc_a15.c b/arch/arm/kvm/coproc_a15.c
index e6f4ae48bda9..a7136757d373 100644
--- a/arch/arm/kvm/coproc_a15.c
+++ b/arch/arm/kvm/coproc_a15.c
@@ -34,7 +34,7 @@
 static const struct coproc_reg a15_regs[] = {
        /* SCTLR: swapped by interrupt.S. */
        { CRn( 1), CRm( 0), Op1( 0), Op2( 0), is32,
-                        access_sctlr, reset_val, c1_SCTLR, 0x00C50078 },
+                        access_vm_reg, reset_val, c1_SCTLR, 0x00C50078 },
 };
 static struct kvm_coproc_target_table a15_target_table = {
diff --git a/arch/arm/kvm/coproc_a7.c b/arch/arm/kvm/coproc_a7.c
index 17fc7cd479d3..b19e46d1b2c0 100644
--- a/arch/arm/kvm/coproc_a7.c
+++ b/arch/arm/kvm/coproc_a7.c
@@ -37,7 +37,7 @@
 static const struct coproc_reg a7_regs[] = {
        /* SCTLR: swapped by interrupt.S. */
        { CRn( 1), CRm( 0), Op1( 0), Op2( 0), is32,
-                        access_sctlr, reset_val, c1_SCTLR, 0x00C50878 },
+                        access_vm_reg, reset_val, c1_SCTLR, 0x00C50878 },
 };
 static struct kvm_coproc_target_table a7_target_table = {
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 1dc9778a00af..136662547ca6 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -58,6 +58,26 @@ static void kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa)
                kvm_call_hyp(__kvm_tlb_flush_vmid_ipa, kvm, ipa);
 }
+/*
+ * D-Cache management functions. They take the page table entries by
+ * value, as they are flushing the cache using the kernel mapping (or
+ * kmap on 32bit).
+ */
+static void kvm_flush_dcache_pte(pte_t pte)
+{
+        __kvm_flush_dcache_pte(pte);
+}
+static void kvm_flush_dcache_pmd(pmd_t pmd)
+{
+        __kvm_flush_dcache_pmd(pmd);
+}
+static void kvm_flush_dcache_pud(pud_t pud)
+{
+        __kvm_flush_dcache_pud(pud);
+}
 static int mmu_topup_memory_cache(struct kvm_mmu_memory_cache *cache,
                                  int min, int max)
 {
@@ -119,6 +139,26 @@ static void clear_pmd_entry(struct kvm *kvm, pmd_t *pmd, phys_addr_t addr)
        put_page(virt_to_page(pmd));
 }
+/*
+ * Unmapping vs dcache management:
+ *
+ * If a guest maps certain memory pages as uncached, all writes will
+ * bypass the data cache and go directly to RAM.  However, the CPUs
+ * can still speculate reads (not writes) and fill cache lines with
+ * data.
+ *
+ * Those cache lines will be *clean* cache lines though, so a
+ * clean+invalidate operation is equivalent to an invalidate
+ * operation, because no cache lines are marked dirty.
+ *
+ * Those clean cache lines could be filled prior to an uncached write
+ * by the guest, and the cache coherent IO subsystem would therefore
+ * end up writing old data to disk.
+ *
+ * This is why right after unmapping a page/section and invalidating
+ * the corresponding TLBs, we call kvm_flush_dcache_p*() to make sure
+ * the IO subsystem will never hit in the cache.
+ */
 static void unmap_ptes(struct kvm *kvm, pmd_t *pmd,
                       phys_addr_t addr, phys_addr_t end)
 {
@@ -128,9 +168,16 @@ static void unmap_ptes(struct kvm *kvm, pmd_t *pmd,
        start_pte = pte = pte_offset_kernel(pmd, addr);
        do {
                if (!pte_none(*pte)) {
+                        pte_t old_pte = *pte;
                        kvm_set_pte(pte, __pte(0));
-                        put_page(virt_to_page(pte));
                        kvm_tlb_flush_vmid_ipa(kvm, addr);
+                        /* No need to invalidate the cache for device mappings */
+                        if ((pte_val(old_pte) & PAGE_S2_DEVICE) != PAGE_S2_DEVICE)
+                                kvm_flush_dcache_pte(old_pte);
+                        put_page(virt_to_page(pte));
                }
        } while (pte++, addr += PAGE_SIZE, addr != end);
@@ -149,8 +196,13 @@ static void unmap_pmds(struct kvm *kvm, pud_t *pud,
                next = kvm_pmd_addr_end(addr, end);
                if (!pmd_none(*pmd)) {
                        if (kvm_pmd_huge(*pmd)) {
+                                pmd_t old_pmd = *pmd;
                                pmd_clear(pmd);
                                kvm_tlb_flush_vmid_ipa(kvm, addr);
+                                kvm_flush_dcache_pmd(old_pmd);
                                put_page(virt_to_page(pmd));
                        } else {
                                unmap_ptes(kvm, pmd, addr, next);
@@ -173,8 +225,13 @@ static void unmap_puds(struct kvm *kvm, pgd_t *pgd,
                next = kvm_pud_addr_end(addr, end);
                if (!pud_none(*pud)) {
                        if (pud_huge(*pud)) {
+                                pud_t old_pud = *pud;
                                pud_clear(pud);
                                kvm_tlb_flush_vmid_ipa(kvm, addr);
+                                kvm_flush_dcache_pud(old_pud);
                                put_page(virt_to_page(pud));
                        } else {
                                unmap_pmds(kvm, pud, addr, next);
@@ -209,10 +266,9 @@ static void stage2_flush_ptes(struct kvm *kvm, pmd_t *pmd,
        pte = pte_offset_kernel(pmd, addr);
        do {
-                if (!pte_none(*pte)) {
+                if (!pte_none(*pte) &&
-                        hva_t hva = gfn_to_hva(kvm, addr >> PAGE_SHIFT);
+                    (pte_val(*pte) & PAGE_S2_DEVICE) != PAGE_S2_DEVICE)
-                        kvm_flush_dcache_to_poc((void*)hva, PAGE_SIZE);
+                        kvm_flush_dcache_pte(*pte);
-                }
        } while (pte++, addr += PAGE_SIZE, addr != end);
 }
@@ -226,12 +282,10 @@ static void stage2_flush_pmds(struct kvm *kvm, pud_t *pud,
        do {
                next = kvm_pmd_addr_end(addr, end);
                if (!pmd_none(*pmd)) {
-                        if (kvm_pmd_huge(*pmd)) {
+                        if (kvm_pmd_huge(*pmd))
-                                hva_t hva = gfn_to_hva(kvm, addr >> PAGE_SHIFT);
+                                kvm_flush_dcache_pmd(*pmd);
-                                kvm_flush_dcache_to_poc((void*)hva, PMD_SIZE);
+                        else
-                        } else {
                                stage2_flush_ptes(kvm, pmd, addr, next);
-                        }
                }
        } while (pmd++, addr = next, addr != end);
 }
@@ -246,12 +300,10 @@ static void stage2_flush_puds(struct kvm *kvm, pgd_t *pgd,
        do {
                next = kvm_pud_addr_end(addr, end);
                if (!pud_none(*pud)) {
-                        if (pud_huge(*pud)) {
+                        if (pud_huge(*pud))
-                                hva_t hva = gfn_to_hva(kvm, addr >> PAGE_SHIFT);
+                                kvm_flush_dcache_pud(*pud);
-                                kvm_flush_dcache_to_poc((void*)hva, PUD_SIZE);
+                        else
-                        } else {
                                stage2_flush_pmds(kvm, pud, addr, next);
-                        }
                }
        } while (pud++, addr = next, addr != end);
 }
@@ -278,7 +330,7 @@ static void stage2_flush_memslot(struct kvm *kvm,
 * Go through the stage 2 page tables and invalidate any cache lines
 * backing memory already mapped to the VM.
 */
-void stage2_flush_vm(struct kvm *kvm)
+static void stage2_flush_vm(struct kvm *kvm)
 {
        struct kvm_memslots *slots;
        struct kvm_memory_slot *memslot;
@@ -905,6 +957,12 @@ static bool kvm_is_device_pfn(unsigned long pfn)
        return !pfn_valid(pfn);
 }
+static void coherent_cache_guest_page(struct kvm_vcpu *vcpu, pfn_t pfn,
+                                      unsigned long size, bool uncached)
+{
+        __coherent_cache_guest_page(vcpu, pfn, size, uncached);
+}
 static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
                          struct kvm_memory_slot *memslot, unsigned long hva,
                          unsigned long fault_status)
@@ -994,8 +1052,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
                        kvm_set_s2pmd_writable(&new_pmd);
                        kvm_set_pfn_dirty(pfn);
                }
-                coherent_cache_guest_page(vcpu, hva & PMD_MASK, PMD_SIZE,
+                coherent_cache_guest_page(vcpu, pfn, PMD_SIZE, fault_ipa_uncached);
-                                          fault_ipa_uncached);
                ret = stage2_set_pmd_huge(kvm, memcache, fault_ipa, &new_pmd);
        } else {
                pte_t new_pte = pfn_pte(pfn, mem_type);
@@ -1003,8 +1060,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
                        kvm_set_s2pte_writable(&new_pte);
                        kvm_set_pfn_dirty(pfn);
                }
-                coherent_cache_guest_page(vcpu, hva, PAGE_SIZE,
+                coherent_cache_guest_page(vcpu, pfn, PAGE_SIZE, fault_ipa_uncached);
-                                          fault_ipa_uncached);
                ret = stage2_set_pte(kvm, memcache, fault_ipa, &new_pte,
                        pgprot_val(mem_type) == pgprot_val(PAGE_S2_DEVICE));
        }
@@ -1411,3 +1467,71 @@ void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
        unmap_stage2_range(kvm, gpa, size);
        spin_unlock(&kvm->mmu_lock);
 }
+/*
+ * See note at ARMv7 ARM B1.14.4 (TL;DR: S/W ops are not easily virtualized).
+ *
+ * Main problems:
+ * - S/W ops are local to a CPU (not broadcast)
+ * - We have line migration behind our back (speculation)
+ * - System caches don't support S/W at all (damn!)
+ *
+ * In the face of the above, the best we can do is to try and convert
+ * S/W ops to VA ops. Because the guest is not allowed to infer the
+ * S/W to PA mapping, it can only use S/W to nuke the whole cache,
+ * which is a rather good thing for us.
+ *
+ * Also, it is only used when turning caches on/off ("The expected
+ * usage of the cache maintenance instructions that operate by set/way
+ * is associated with the cache maintenance instructions associated
+ * with the powerdown and powerup of caches, if this is required by
+ * the implementation.").
+ *
+ * We use the following policy:
+ *
+ * - If we trap a S/W operation, we enable VM trapping to detect
+ *   caches being turned on/off, and do a full clean.
+ *
+ * - We flush the caches on both caches being turned on and off.
+ *
+ * - Once the caches are enabled, we stop trapping VM ops.
+ */
+void kvm_set_way_flush(struct kvm_vcpu *vcpu)
+{
+        unsigned long hcr = vcpu_get_hcr(vcpu);
+        /*
+         * If this is the first time we do a S/W operation
+         * (i.e. HCR_TVM not set) flush the whole memory, and set the
+         * VM trapping.
+         *
+         * Otherwise, rely on the VM trapping to wait for the MMU +
+         * Caches to be turned off. At that point, we'll be able to
+         * clean the caches again.
+         */
+        if (!(hcr & HCR_TVM)) {
+                trace_kvm_set_way_flush(*vcpu_pc(vcpu),
+                                        vcpu_has_cache_enabled(vcpu));
+                stage2_flush_vm(vcpu->kvm);
+                vcpu_set_hcr(vcpu, hcr | HCR_TVM);
+        }
+}
+void kvm_toggle_cache(struct kvm_vcpu *vcpu, bool was_enabled)
+{
+        bool now_enabled = vcpu_has_cache_enabled(vcpu);
+        /*
+         * If switching the MMU+caches on, need to invalidate the caches.
+         * If switching it off, need to clean the caches.
+         * Clean + invalidate does the trick always.
+         */
+        if (now_enabled != was_enabled)
+                stage2_flush_vm(vcpu->kvm);
+        /* Caches are now on, stop trapping VM ops (until a S/W op) */
+        if (now_enabled)
+                vcpu_set_hcr(vcpu, vcpu_get_hcr(vcpu) & ~HCR_TVM);
+        trace_kvm_toggle_cache(*vcpu_pc(vcpu), was_enabled, now_enabled);
+}
diff --git a/arch/arm/kvm/trace.h b/arch/arm/kvm/trace.h
index b1d640f78623..b6a6e7102201 100644
--- a/arch/arm/kvm/trace.h
+++ b/arch/arm/kvm/trace.h
@@ -223,6 +223,45 @@ TRACE_EVENT(kvm_hvc,
                  __entry->vcpu_pc, __entry->r0, __entry->imm)
 );
+TRACE_EVENT(kvm_set_way_flush,
+            TP_PROTO(unsigned long vcpu_pc, bool cache),
+            TP_ARGS(vcpu_pc, cache),
+            TP_STRUCT__entry(
+                    __field(    unsigned long,  vcpu_pc         )
+                    __field(    bool,           cache           )
+            ),
+            TP_fast_assign(
+                    __entry->vcpu_pc            = vcpu_pc;
+                    __entry->cache              = cache;
+            ),
+            TP_printk("S/W flush at 0x%016lx (cache %s)",
+                      __entry->vcpu_pc, __entry->cache ? "on" : "off")
+);
+TRACE_EVENT(kvm_toggle_cache,
+            TP_PROTO(unsigned long vcpu_pc, bool was, bool now),
+            TP_ARGS(vcpu_pc, was, now),
+            TP_STRUCT__entry(
+                    __field(    unsigned long,  vcpu_pc         )
+                    __field(    bool,           was             )
+                    __field(    bool,           now             )
+            ),
+            TP_fast_assign(
+                    __entry->vcpu_pc            = vcpu_pc;
+                    __entry->was                = was;
+                    __entry->now                = now;
+            ),
+            TP_printk("VM op at 0x%016lx (cache was %s, now %s)",
+                      __entry->vcpu_pc, __entry->was ? "on" : "off",
+                      __entry->now ? "on" : "off")
+);
 #endif /* _TRACE_KVM_H */
 #undef TRACE_INCLUDE_PATH
diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c
index caa21e9b8cd9..ccef8806bb58 100644
--- a/arch/arm/mach-mvebu/coherency.c
+++ b/arch/arm/mach-mvebu/coherency.c
@@ -190,6 +190,13 @@ static void __init armada_375_380_coherency_init(struct device_node *np)
        arch_ioremap_caller = armada_pcie_wa_ioremap_caller;
        /*
+         * We should switch the PL310 to I/O coherency mode only if
+         * I/O coherency is actually enabled.
+         */
+        if (!coherency_available())
+                return;
+        /*
         * Add the PL310 property "arm,io-coherent". This makes sure the
         * outer sync operation is not used, which allows to
         * workaround the system erratum that causes deadlocks when
diff --git a/arch/arm/mach-shmobile/board-ape6evm.c b/arch/arm/mach-shmobile/board-ape6evm.c
index 66f67816a844..444f22d370f0 100644
--- a/arch/arm/mach-shmobile/board-ape6evm.c
+++ b/arch/arm/mach-shmobile/board-ape6evm.c
@@ -18,6 +18,8 @@
 #include <linux/gpio_keys.h>
 #include <linux/input.h>
 #include <linux/interrupt.h>
+#include <linux/irqchip.h>
+#include <linux/irqchip/arm-gic.h>
 #include <linux/kernel.h>
 #include <linux/mfd/tmio.h>
 #include <linux/mmc/host.h>
@@ -273,6 +275,22 @@ static void __init ape6evm_add_standard_devices(void)
                                      sizeof(ape6evm_leds_pdata));
 }
+static void __init ape6evm_legacy_init_time(void)
+{
+        /* Do not invoke DT-based timers via clocksource_of_init() */
+}
+static void __init ape6evm_legacy_init_irq(void)
+{
+        void __iomem *gic_dist_base = ioremap_nocache(0xf1001000, 0x1000);
+        void __iomem *gic_cpu_base = ioremap_nocache(0xf1002000, 0x1000);
+        gic_init(0, 29, gic_dist_base, gic_cpu_base);
+        /* Do not invoke DT-based interrupt code via irqchip_init() */
+}
 static const char *ape6evm_boards_compat_dt[] __initdata = {
        "renesas,ape6evm",
        NULL,
@@ -280,7 +298,9 @@ static const char *ape6evm_boards_compat_dt[] __initdata = {
 DT_MACHINE_START(APE6EVM_DT, "ape6evm")
        .init_early     = shmobile_init_delay,
+        .init_irq       = ape6evm_legacy_init_irq,
        .init_machine   = ape6evm_add_standard_devices,
        .init_late      = shmobile_init_late,
        .dt_compat      = ape6evm_boards_compat_dt,
+        .init_time      = ape6evm_legacy_init_time,
 MACHINE_END
diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c
index f8197eb6e566..65b128dd4072 100644
--- a/arch/arm/mach-shmobile/board-lager.c
+++ b/arch/arm/mach-shmobile/board-lager.c
@@ -21,6 +21,8 @@
 #include <linux/input.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
+#include <linux/irqchip.h>
+#include <linux/irqchip/arm-gic.h>
 #include <linux/kernel.h>
 #include <linux/leds.h>
 #include <linux/mfd/tmio.h>
@@ -811,6 +813,16 @@ static void __init lager_init(void)
                                          lager_ksz8041_fixup);
 }
+static void __init lager_legacy_init_irq(void)
+{
+        void __iomem *gic_dist_base = ioremap_nocache(0xf1001000, 0x1000);
+        void __iomem *gic_cpu_base = ioremap_nocache(0xf1002000, 0x1000);
+        gic_init(0, 29, gic_dist_base, gic_cpu_base);
+        /* Do not invoke DT-based interrupt code via irqchip_init() */
+}
 static const char * const lager_boards_compat_dt[] __initconst = {
        "renesas,lager",
        NULL,
@@ -819,6 +831,7 @@ static const char * const lager_boards_compat_dt[] __initconst = {
 DT_MACHINE_START(LAGER_DT, "lager")
        .smp            = smp_ops(r8a7790_smp_ops),
        .init_early     = shmobile_init_delay,
+        .init_irq       = lager_legacy_init_irq,
        .init_time      = rcar_gen2_timer_init,
        .init_machine   = lager_init,
        .init_late      = shmobile_init_late,
diff --git a/arch/arm/mach-shmobile/setup-rcar-gen2.c b/arch/arm/mach-shmobile/setup-rcar-gen2.c
index 3dd6edd9bd1d..cc9470dfb1ce 100644
--- a/arch/arm/mach-shmobile/setup-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/setup-rcar-gen2.c
@@ -133,7 +133,9 @@ void __init rcar_gen2_timer_init(void)
 #ifdef CONFIG_COMMON_CLK
        rcar_gen2_clocks_init(mode);
 #endif
+#ifdef CONFIG_ARCH_SHMOBILE_MULTI
        clocksource_of_init();
+#endif
 }
 struct memory_reserve_config {
diff --git a/arch/arm/mach-shmobile/timer.c b/arch/arm/mach-shmobile/timer.c
index f1d027aa7a81..0edf2a6d2bbe 100644
--- a/arch/arm/mach-shmobile/timer.c
+++ b/arch/arm/mach-shmobile/timer.c
@@ -70,6 +70,18 @@ void __init shmobile_init_delay(void)
        if (!max_freq)
                return;
+#ifdef CONFIG_ARCH_SHMOBILE_LEGACY
+        /* Non-multiplatform r8a73a4 SoC cannot use arch timer due
+         * to GIC being initialized from C and arch timer via DT */
+        if (of_machine_is_compatible("renesas,r8a73a4"))
+                has_arch_timer = false;
+        /* Non-multiplatform r8a7790 SoC cannot use arch timer due
+         * to GIC being initialized from C and arch timer via DT */
+        if (of_machine_is_compatible("renesas,r8a7790"))
+                has_arch_timer = false;
+#endif
        if (!has_arch_timer || !IS_ENABLED(CONFIG_ARM_ARCH_TIMER)) {
                if (is_a7_a8_a9)
                        shmobile_setup_delay_hz(max_freq, 1, 3);
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 03823e784f63..c43c71455566 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -1012,6 +1012,7 @@ config ARCH_SUPPORTS_BIG_ENDIAN
 config ARM_KERNMEM_PERMS
        bool "Restrict kernel memory permissions"
+        depends on MMU
        help
          If this is set, kernel memory other than kernel text (and rodata)
          will be made non-executable. The tradeoff is that each region is
diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c
index 91892569710f..845769e41332 100644
--- a/arch/arm/mm/context.c
+++ b/arch/arm/mm/context.c
@@ -144,21 +144,17 @@ static void flush_context(unsigned int cpu)
        /* Update the list of reserved ASIDs and the ASID bitmap. */
        bitmap_clear(asid_map, 0, NUM_USER_ASIDS);
        for_each_possible_cpu(i) {
-                if (i == cpu) {
+                asid = atomic64_xchg(&per_cpu(active_asids, i), 0);
-                        asid = 0;
+                /*
-                } else {
+                 * If this CPU has already been through a
-                        asid = atomic64_xchg(&per_cpu(active_asids, i), 0);
+                 * rollover, but hasn't run another task in
-                        /*
+                 * the meantime, we must preserve its reserved
-                         * If this CPU has already been through a
+                 * ASID, as this is the only trace we have of
-                         * rollover, but hasn't run another task in
+                 * the process it is still running.
-                         * the meantime, we must preserve its reserved
+                 */
-                         * ASID, as this is the only trace we have of
+                if (asid == 0)
-                         * the process it is still running.
+                        asid = per_cpu(reserved_asids, i);
-                         */
+                __set_bit(asid & ~ASID_MASK, asid_map);
-                        if (asid == 0)
-                                asid = per_cpu(reserved_asids, i);
-                        __set_bit(asid & ~ASID_MASK, asid_map);
-                }
                per_cpu(reserved_asids, i) = asid;
        }
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 7864797609b3..903dba064a03 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1940,13 +1940,32 @@ void arm_iommu_release_mapping(struct dma_iommu_mapping *mapping)
 }
 EXPORT_SYMBOL_GPL(arm_iommu_release_mapping);
+static int __arm_iommu_attach_device(struct device *dev,
+                                     struct dma_iommu_mapping *mapping)
+{
+        int err;
+        err = iommu_attach_device(mapping->domain, dev);
+        if (err)
+                return err;
+        kref_get(&mapping->kref);
+        dev->archdata.mapping = mapping;
+        pr_debug("Attached IOMMU controller to %s device.\n", dev_name(dev));
+        return 0;
+}
 /**
 * arm_iommu_attach_device
 * @dev: valid struct device pointer
 * @mapping: io address space mapping structure (returned from
 *      arm_iommu_create_mapping)
 *
- * Attaches specified io address space mapping to the provided device,
+ * Attaches specified io address space mapping to the provided device.
+ * This replaces the dma operations (dma_map_ops pointer) with the
+ * IOMMU aware version.
+ *
 * More than one client might be attached to the same io address space
 * mapping.
 */
@@ -1955,25 +1974,16 @@ int arm_iommu_attach_device(struct device *dev,
 {
        int err;
-        err = iommu_attach_device(mapping->domain, dev);
+        err = __arm_iommu_attach_device(dev, mapping);
        if (err)
                return err;
-        kref_get(&mapping->kref);
+        set_dma_ops(dev, &iommu_ops);
-        dev->archdata.mapping = mapping;
-        pr_debug("Attached IOMMU controller to %s device.\n", dev_name(dev));
        return 0;
 }
 EXPORT_SYMBOL_GPL(arm_iommu_attach_device);
-/**
+static void __arm_iommu_detach_device(struct device *dev)
- * arm_iommu_detach_device
- * @dev: valid struct device pointer
- *
- * Detaches the provided device from a previously attached map.
- */
-void arm_iommu_detach_device(struct device *dev)
 {
        struct dma_iommu_mapping *mapping;
@@ -1989,6 +1999,19 @@ void arm_iommu_detach_device(struct device *dev)
        pr_debug("Detached IOMMU controller from %s device.\n", dev_name(dev));
 }
+/**
+ * arm_iommu_detach_device
+ * @dev: valid struct device pointer
+ *
+ * Detaches the provided device from a previously attached map.
+ * This voids the dma operations (dma_map_ops pointer)
+ */
+void arm_iommu_detach_device(struct device *dev)
+{
+        __arm_iommu_detach_device(dev);
+        set_dma_ops(dev, NULL);
+}
 EXPORT_SYMBOL_GPL(arm_iommu_detach_device);
 static struct dma_map_ops *arm_get_iommu_dma_map_ops(bool coherent)
@@ -2011,7 +2034,7 @@ static bool arm_setup_iommu_dma_ops(struct device *dev, u64 dma_base, u64 size,
                return false;
        }
-        if (arm_iommu_attach_device(dev, mapping)) {
+        if (__arm_iommu_attach_device(dev, mapping)) {
                pr_warn("Failed to attached device %s to IOMMU_mapping\n",
                                dev_name(dev));
                arm_iommu_release_mapping(mapping);
@@ -2025,7 +2048,10 @@ static void arm_teardown_iommu_dma_ops(struct device *dev)
 {
        struct dma_iommu_mapping *mapping = dev->archdata.mapping;
-        arm_iommu_detach_device(dev);
+        if (!mapping)
+                return;
+        __arm_iommu_detach_device(dev);
        arm_iommu_release_mapping(mapping);
 }
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h
index 865a7e28ea2d..3cb4c856b10d 100644
--- a/arch/arm64/include/asm/kvm_emulate.h
+++ b/arch/arm64/include/asm/kvm_emulate.h
@@ -45,6 +45,16 @@ static inline void vcpu_reset_hcr(struct kvm_vcpu *vcpu)
                vcpu->arch.hcr_el2 &= ~HCR_RW;
 }
+static inline unsigned long vcpu_get_hcr(struct kvm_vcpu *vcpu)
+{
+        return vcpu->arch.hcr_el2;
+}
+static inline void vcpu_set_hcr(struct kvm_vcpu *vcpu, unsigned long hcr)
+{
+        vcpu->arch.hcr_el2 = hcr;
+}
 static inline unsigned long *vcpu_pc(const struct kvm_vcpu *vcpu)
 {
        return (unsigned long *)&vcpu_gp_regs(vcpu)->regs.pc;
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 0b7dfdb931df..acd101a9014d 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -116,9 +116,6 @@ struct kvm_vcpu_arch {
         * Anything that is not used directly from assembly code goes
         * here.
         */
-        /* dcache set/way operation pending */
-        int last_pcpu;
-        cpumask_t require_dcache_flush;
        /* Don't run the guest */
        bool pause;
diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h
index 14a74f136272..adcf49547301 100644
--- a/arch/arm64/include/asm/kvm_mmu.h
+++ b/arch/arm64/include/asm/kvm_mmu.h
@@ -243,24 +243,46 @@ static inline bool vcpu_has_cache_enabled(struct kvm_vcpu *vcpu)
        return (vcpu_sys_reg(vcpu, SCTLR_EL1) & 0b101) == 0b101;
 }
-static inline void coherent_cache_guest_page(struct kvm_vcpu *vcpu, hva_t hva,
+static inline void __coherent_cache_guest_page(struct kvm_vcpu *vcpu, pfn_t pfn,
-                                             unsigned long size,
+                                               unsigned long size,
-                                             bool ipa_uncached)
+                                               bool ipa_uncached)
 {
+        void *va = page_address(pfn_to_page(pfn));
        if (!vcpu_has_cache_enabled(vcpu) || ipa_uncached)
-                kvm_flush_dcache_to_poc((void *)hva, size);
+                kvm_flush_dcache_to_poc(va, size);
        if (!icache_is_aliasing()) {            /* PIPT */
-                flush_icache_range(hva, hva + size);
+                flush_icache_range((unsigned long)va,
+                                   (unsigned long)va + size);
        } else if (!icache_is_aivivt()) {       /* non ASID-tagged VIVT */
                /* any kind of VIPT cache */
                __flush_icache_all();
        }
 }
+static inline void __kvm_flush_dcache_pte(pte_t pte)
+{
+        struct page *page = pte_page(pte);
+        kvm_flush_dcache_to_poc(page_address(page), PAGE_SIZE);
+}
+static inline void __kvm_flush_dcache_pmd(pmd_t pmd)
+{
+        struct page *page = pmd_page(pmd);
+        kvm_flush_dcache_to_poc(page_address(page), PMD_SIZE);
+}
+static inline void __kvm_flush_dcache_pud(pud_t pud)
+{
+        struct page *page = pud_page(pud);
+        kvm_flush_dcache_to_poc(page_address(page), PUD_SIZE);
+}
 #define kvm_virt_to_phys(x)             __virt_to_phys((unsigned long)(x))
-void stage2_flush_vm(struct kvm *kvm);
+void kvm_set_way_flush(struct kvm_vcpu *vcpu);
+void kvm_toggle_cache(struct kvm_vcpu *vcpu, bool was_enabled);
 #endif /* __ASSEMBLY__ */
 #endif /* __ARM64_KVM_MMU_H__ */
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 3d7c2df89946..f31e8bb2bc5b 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -69,68 +69,31 @@ static u32 get_ccsidr(u32 csselr)
        return ccsidr;
 }
-static void do_dc_cisw(u32 val)
+/*
-{
+ * See note at ARMv7 ARM B1.14.4 (TL;DR: S/W ops are not easily virtualized).
-        asm volatile("dc cisw, %x0" : : "r" (val));
+ */
-        dsb(ish);
-}
-static void do_dc_csw(u32 val)
-{
-        asm volatile("dc csw, %x0" : : "r" (val));
-        dsb(ish);
-}
-/* See note at ARM ARM B1.14.4 */
 static bool access_dcsw(struct kvm_vcpu *vcpu,
                        const struct sys_reg_params *p,
                        const struct sys_reg_desc *r)
 {
-        unsigned long val;
-        int cpu;
        if (!p->is_write)
                return read_from_write_only(vcpu, p);
-        cpu = get_cpu();
+        kvm_set_way_flush(vcpu);
-        cpumask_setall(&vcpu->arch.require_dcache_flush);
-        cpumask_clear_cpu(cpu, &vcpu->arch.require_dcache_flush);
-        /* If we were already preempted, take the long way around */
-        if (cpu != vcpu->arch.last_pcpu) {
-                flush_cache_all();
-                goto done;
-        }
-        val = *vcpu_reg(vcpu, p->Rt);
-        switch (p->CRm) {
-        case 6:                 /* Upgrade DCISW to DCCISW, as per HCR.SWIO */
-        case 14:                /* DCCISW */
-                do_dc_cisw(val);
-                break;
-        case 10:                /* DCCSW */
-                do_dc_csw(val);
-                break;
-        }
-done:
-        put_cpu();
        return true;
 }
 /*
 * Generic accessor for VM registers. Only called as long as HCR_TVM
- * is set.
+ * is set. If the guest enables the MMU, we stop trapping the VM
+ * sys_regs and leave it in complete control of the caches.
 */
 static bool access_vm_reg(struct kvm_vcpu *vcpu,
                          const struct sys_reg_params *p,
                          const struct sys_reg_desc *r)
 {
        unsigned long val;
+        bool was_enabled = vcpu_has_cache_enabled(vcpu);
        BUG_ON(!p->is_write);
@@ -143,25 +106,7 @@ static bool access_vm_reg(struct kvm_vcpu *vcpu,
                vcpu_cp15_64_low(vcpu, r->reg) = val & 0xffffffffUL;
        }
-        return true;
+        kvm_toggle_cache(vcpu, was_enabled);
-}
-/*
- * SCTLR_EL1 accessor. Only called as long as HCR_TVM is set.  If the
- * guest enables the MMU, we stop trapping the VM sys_regs and leave
- * it in complete control of the caches.
- */
-static bool access_sctlr(struct kvm_vcpu *vcpu,
-                         const struct sys_reg_params *p,
-                         const struct sys_reg_desc *r)
-{
-        access_vm_reg(vcpu, p, r);
-        if (vcpu_has_cache_enabled(vcpu)) {     /* MMU+Caches enabled? */
-                vcpu->arch.hcr_el2 &= ~HCR_TVM;
-                stage2_flush_vm(vcpu->kvm);
-        }
        return true;
 }
@@ -377,7 +322,7 @@ static const struct sys_reg_desc sys_reg_descs[] = {
          NULL, reset_mpidr, MPIDR_EL1 },
        /* SCTLR_EL1 */
        { Op0(0b11), Op1(0b000), CRn(0b0001), CRm(0b0000), Op2(0b000),
-          access_sctlr, reset_val, SCTLR_EL1, 0x00C50078 },
+          access_vm_reg, reset_val, SCTLR_EL1, 0x00C50078 },
        /* CPACR_EL1 */
        { Op0(0b11), Op1(0b000), CRn(0b0001), CRm(0b0000), Op2(0b010),
          NULL, reset_val, CPACR_EL1, 0 },
@@ -657,7 +602,7 @@ static const struct sys_reg_desc cp14_64_regs[] = {
 * register).
 */
 static const struct sys_reg_desc cp15_regs[] = {
-        { Op1( 0), CRn( 1), CRm( 0), Op2( 0), access_sctlr, NULL, c1_SCTLR },
+        { Op1( 0), CRn( 1), CRm( 0), Op2( 0), access_vm_reg, NULL, c1_SCTLR },
        { Op1( 0), CRn( 2), CRm( 0), Op2( 0), access_vm_reg, NULL, c2_TTBR0 },
        { Op1( 0), CRn( 2), CRm( 0), Op2( 1), access_vm_reg, NULL, c2_TTBR1 },
        { Op1( 0), CRn( 2), CRm( 0), Op2( 2), access_vm_reg, NULL, c2_TTBCR },
diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c
index 0eca93327195..d223a8b57c1e 100644
--- a/arch/avr32/mm/fault.c
+++ b/arch/avr32/mm/fault.c
@@ -142,6 +142,8 @@ good_area:
        if (unlikely(fault & VM_FAULT_ERROR)) {
                if (fault & VM_FAULT_OOM)
                        goto out_of_memory;
+                else if (fault & VM_FAULT_SIGSEGV)
+                        goto bad_area;
                else if (fault & VM_FAULT_SIGBUS)
                        goto do_sigbus;
                BUG();
diff --git a/arch/cris/mm/fault.c b/arch/cris/mm/fault.c
index 1790f22e71a2..2686a7aa8ec8 100644
--- a/arch/cris/mm/fault.c
+++ b/arch/cris/mm/fault.c
@@ -176,6 +176,8 @@ retry:
        if (unlikely(fault & VM_FAULT_ERROR)) {
                if (fault & VM_FAULT_OOM)
                        goto out_of_memory;
+                else if (fault & VM_FAULT_SIGSEGV)
+                        goto bad_area;
                else if (fault & VM_FAULT_SIGBUS)
                        goto do_sigbus;
                BUG();
diff --git a/arch/frv/mm/fault.c b/arch/frv/mm/fault.c
index 9a66372fc7c7..ec4917ddf678 100644
--- a/arch/frv/mm/fault.c
+++ b/arch/frv/mm/fault.c
@@ -168,6 +168,8 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear
        if (unlikely(fault & VM_FAULT_ERROR)) {
                if (fault & VM_FAULT_OOM)
                        goto out_of_memory;
+                else if (fault & VM_FAULT_SIGSEGV)
+                        goto bad_area;
                else if (fault & VM_FAULT_SIGBUS)
                        goto do_sigbus;
                BUG();
diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
index 7225dad87094..ba5ba7accd0d 100644
--- a/arch/ia64/mm/fault.c
+++ b/arch/ia64/mm/fault.c
@@ -172,6 +172,8 @@ retry:
                 */
                if (fault & VM_FAULT_OOM) {
                        goto out_of_memory;
+                } else if (fault & VM_FAULT_SIGSEGV) {
+                        goto bad_area;
                } else if (fault & VM_FAULT_SIGBUS) {
                        signal = SIGBUS;
                        goto bad_area;
diff --git a/arch/m32r/mm/fault.c b/arch/m32r/mm/fault.c
index e9c6a8014bd6..e3d4d4890104 100644
--- a/arch/m32r/mm/fault.c
+++ b/arch/m32r/mm/fault.c
@@ -200,6 +200,8 @@ good_area:
        if (unlikely(fault & VM_FAULT_ERROR)) {
                if (fault & VM_FAULT_OOM)
                        goto out_of_memory;
+                else if (fault & VM_FAULT_SIGSEGV)
+                        goto bad_area;
                else if (fault & VM_FAULT_SIGBUS)
                        goto do_sigbus;
                BUG();
diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c
index 2bd7487440c4..b2f04aee46ec 100644
--- a/arch/m68k/mm/fault.c
+++ b/arch/m68k/mm/fault.c
@@ -145,6 +145,8 @@ good_area:
        if (unlikely(fault & VM_FAULT_ERROR)) {
                if (fault & VM_FAULT_OOM)
                        goto out_of_memory;
+                else if (fault & VM_FAULT_SIGSEGV)
+                        goto map_err;
                else if (fault & VM_FAULT_SIGBUS)
                        goto bus_err;
                BUG();
diff --git a/arch/metag/mm/fault.c b/arch/metag/mm/fault.c
index 332680e5ebf2..2de5dc695a87 100644
--- a/arch/metag/mm/fault.c
+++ b/arch/metag/mm/fault.c
@@ -141,6 +141,8 @@ good_area:
        if (unlikely(fault & VM_FAULT_ERROR)) {
                if (fault & VM_FAULT_OOM)
                        goto out_of_memory;
+                else if (fault & VM_FAULT_SIGSEGV)
+                        goto bad_area;
                else if (fault & VM_FAULT_SIGBUS)
                        goto do_sigbus;
                BUG();
diff --git a/arch/microblaze/mm/fault.c b/arch/microblaze/mm/fault.c
index fa4cf52aa7a6..d46a5ebb7570 100644
--- a/arch/microblaze/mm/fault.c
+++ b/arch/microblaze/mm/fault.c
@@ -224,6 +224,8 @@ good_area:
        if (unlikely(fault & VM_FAULT_ERROR)) {
                if (fault & VM_FAULT_OOM)
                        goto out_of_memory;
+                else if (fault & VM_FAULT_SIGSEGV)
+                        goto bad_area;
                else if (fault & VM_FAULT_SIGBUS)
                        goto do_sigbus;
                BUG();
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index becc42bb1849..70ab5d664332 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -158,6 +158,8 @@ good_area:
        if (unlikely(fault & VM_FAULT_ERROR)) {
                if (fault & VM_FAULT_OOM)
                        goto out_of_memory;
+                else if (fault & VM_FAULT_SIGSEGV)
+                        goto bad_area;
                else if (fault & VM_FAULT_SIGBUS)
                        goto do_sigbus;
                BUG();
diff --git a/arch/mn10300/mm/fault.c b/arch/mn10300/mm/fault.c
index 3516cbdf1ee9..0c2cc5d39c8e 100644
--- a/arch/mn10300/mm/fault.c
+++ b/arch/mn10300/mm/fault.c
@@ -262,6 +262,8 @@ good_area:
        if (unlikely(fault & VM_FAULT_ERROR)) {
                if (fault & VM_FAULT_OOM)
                        goto out_of_memory;
+                else if (fault & VM_FAULT_SIGSEGV)
+                        goto bad_area;
                else if (fault & VM_FAULT_SIGBUS)
                        goto do_sigbus;
                BUG();
diff --git a/arch/nios2/mm/fault.c b/arch/nios2/mm/fault.c
index 15a0bb5fc06d..34429d5a0ccd 100644
--- a/arch/nios2/mm/fault.c
+++ b/arch/nios2/mm/fault.c
@@ -135,6 +135,8 @@ survive:
        if (unlikely(fault & VM_FAULT_ERROR)) {
                if (fault & VM_FAULT_OOM)
                        goto out_of_memory;
+                else if (fault & VM_FAULT_SIGSEGV)
+                        goto bad_area;
                else if (fault & VM_FAULT_SIGBUS)
                        goto do_sigbus;
                BUG();
diff --git a/arch/openrisc/mm/fault.c b/arch/openrisc/mm/fault.c
index 0703acf7d327..230ac20ae794 100644
--- a/arch/openrisc/mm/fault.c
+++ b/arch/openrisc/mm/fault.c
@@ -171,6 +171,8 @@ good_area:
        if (unlikely(fault & VM_FAULT_ERROR)) {
                if (fault & VM_FAULT_OOM)
                        goto out_of_memory;
+                else if (fault & VM_FAULT_SIGSEGV)
+                        goto bad_area;
                else if (fault & VM_FAULT_SIGBUS)
                        goto do_sigbus;
                BUG();
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index 3ca9c1131cfe..e5120e653240 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -256,6 +256,8 @@ good_area:
                 */
                if (fault & VM_FAULT_OOM)
                        goto out_of_memory;
+                else if (fault & VM_FAULT_SIGSEGV)
+                        goto bad_area;
                else if (fault & VM_FAULT_SIGBUS)
                        goto bad_area;
                BUG();
diff --git a/arch/powerpc/mm/copro_fault.c b/arch/powerpc/mm/copro_fault.c
index 5a236f082c78..1b5305d4bdab 100644
--- a/arch/powerpc/mm/copro_fault.c
+++ b/arch/powerpc/mm/copro_fault.c
@@ -76,7 +76,7 @@ int copro_handle_mm_fault(struct mm_struct *mm, unsigned long ea,
                if (*flt & VM_FAULT_OOM) {
                        ret = -ENOMEM;
                        goto out_unlock;
-                } else if (*flt & VM_FAULT_SIGBUS) {
+                } else if (*flt & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV)) {
                        ret = -EFAULT;
                        goto out_unlock;
                }
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index eb79907f34fa..6154b0a2b063 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -437,6 +437,8 @@ good_area:
         */
        fault = handle_mm_fault(mm, vma, address, flags);
        if (unlikely(fault & (VM_FAULT_RETRY|VM_FAULT_ERROR))) {
+                if (fault & VM_FAULT_SIGSEGV)
+                        goto bad_area;
                rc = mm_fault_error(regs, address, fault);
                if (rc >= MM_FAULT_RETURN)
                        goto bail;
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 811937bb90be..9065d5aa3932 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -374,6 +374,12 @@ static noinline void do_fault_error(struct pt_regs *regs, int fault)
                                do_no_context(regs);
                        else
                                pagefault_out_of_memory();
+                } else if (fault & VM_FAULT_SIGSEGV) {
+                        /* Kernel mode? Handle exceptions or die */
+                        if (!user_mode(regs))
+                                do_no_context(regs);
+                        else
+                                do_sigsegv(regs, SEGV_MAPERR);
                } else if (fault & VM_FAULT_SIGBUS) {
                        /* Kernel mode? Handle exceptions or die */
                        if (!user_mode(regs))
diff --git a/arch/score/mm/fault.c b/arch/score/mm/fault.c
index 52238983527d..6860beb2a280 100644
--- a/arch/score/mm/fault.c
+++ b/arch/score/mm/fault.c
@@ -114,6 +114,8 @@ good_area:
        if (unlikely(fault & VM_FAULT_ERROR)) {
                if (fault & VM_FAULT_OOM)
                        goto out_of_memory;
+                else if (fault & VM_FAULT_SIGSEGV)
+                        goto bad_area;
                else if (fault & VM_FAULT_SIGBUS)
                        goto do_sigbus;
                BUG();
diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c
index 541dc6101508..a58fec9b55e0 100644
--- a/arch/sh/mm/fault.c
+++ b/arch/sh/mm/fault.c
@@ -353,6 +353,8 @@ mm_fault_error(struct pt_regs *regs, unsigned long error_code,
        } else {
                if (fault & VM_FAULT_SIGBUS)
                        do_sigbus(regs, error_code, address);
+                else if (fault & VM_FAULT_SIGSEGV)
+                        bad_area(regs, error_code, address);
                else
                        BUG();
        }
diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c
index 908e8c17c902..70d817154fe8 100644
--- a/arch/sparc/mm/fault_32.c
+++ b/arch/sparc/mm/fault_32.c
@@ -249,6 +249,8 @@ good_area:
        if (unlikely(fault & VM_FAULT_ERROR)) {
                if (fault & VM_FAULT_OOM)
                        goto out_of_memory;
+                else if (fault & VM_FAULT_SIGSEGV)
+                        goto bad_area;
                else if (fault & VM_FAULT_SIGBUS)
                        goto do_sigbus;
                BUG();
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
index 18fcd7167095..479823249429 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -446,6 +446,8 @@ good_area:
        if (unlikely(fault & VM_FAULT_ERROR)) {
                if (fault & VM_FAULT_OOM)
                        goto out_of_memory;
+                else if (fault & VM_FAULT_SIGSEGV)
+                        goto bad_area;
                else if (fault & VM_FAULT_SIGBUS)
                        goto do_sigbus;
                BUG();
diff --git a/arch/tile/mm/fault.c b/arch/tile/mm/fault.c
index 565e25a98334..0f61a73534e6 100644
--- a/arch/tile/mm/fault.c
+++ b/arch/tile/mm/fault.c
@@ -442,6 +442,8 @@ good_area:
        if (unlikely(fault & VM_FAULT_ERROR)) {
                if (fault & VM_FAULT_OOM)
                        goto out_of_memory;
+                else if (fault & VM_FAULT_SIGSEGV)
+                        goto bad_area;
                else if (fault & VM_FAULT_SIGBUS)
                        goto do_sigbus;
                BUG();
diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c
index 5678c3571e7c..209617302df8 100644
--- a/arch/um/kernel/trap.c
+++ b/arch/um/kernel/trap.c
@@ -80,6 +80,8 @@ good_area:
                if (unlikely(fault & VM_FAULT_ERROR)) {
                        if (fault & VM_FAULT_OOM) {
                                goto out_of_memory;
+                        } else if (fault & VM_FAULT_SIGSEGV) {
+                                goto out;
                        } else if (fault & VM_FAULT_SIGBUS) {
                                err = -EACCES;
                                goto out;
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 944bf019b74f..498b6d967138 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -2431,6 +2431,7 @@ __init int intel_pmu_init(void)
                break;
        case 55: /* 22nm Atom "Silvermont"                */
+        case 76: /* 14nm Atom "Airmont"                   */
        case 77: /* 22nm Atom "Silvermont Avoton/Rangely" */
                memcpy(hw_cache_event_ids, slm_hw_cache_event_ids,
                        sizeof(hw_cache_event_ids));
diff --git a/arch/x86/kernel/cpu/perf_event_intel_rapl.c b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
index 6e434f8e5fc8..c4bb8b8e5017 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_rapl.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
@@ -142,7 +142,7 @@ static inline u64 rapl_scale(u64 v)
         * or use ldexp(count, -32).
         * Watts = Joules/Time delta
         */
-        return v << (32 - __this_cpu_read(rapl_pmu->hw_unit));
+        return v << (32 - __this_cpu_read(rapl_pmu)->hw_unit);
 }
 static u64 rapl_event_update(struct perf_event *event)
diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index 10b8d3eaaf15..c635b8b49e93 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -840,7 +840,6 @@ static int uncore_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id
        box->phys_id = phys_id;
        box->pci_dev = pdev;
        box->pmu = pmu;
-        uncore_box_init(box);
        pci_set_drvdata(pdev, box);
        raw_spin_lock(&uncore_box_lock);
@@ -1004,10 +1003,8 @@ static int uncore_cpu_starting(int cpu)
                        pmu = &type->pmus[j];
                        box = *per_cpu_ptr(pmu->box, cpu);
                        /* called by uncore_cpu_init? */
-                        if (box && box->phys_id >= 0) {
+                        if (box && box->phys_id >= 0)
-                                uncore_box_init(box);
                                continue;
-                        }
                        for_each_online_cpu(k) {
                                exist = *per_cpu_ptr(pmu->box, k);
@@ -1023,10 +1020,8 @@ static int uncore_cpu_starting(int cpu)
                                }
                        }
-                        if (box) {
+                        if (box)
                                box->phys_id = phys_id;
-                                uncore_box_init(box);
-                        }
                }
        }
        return 0;
diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.h b/arch/x86/kernel/cpu/perf_event_intel_uncore.h
index 863d9b02563e..6c8c1e7e69d8 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.h
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.h
@@ -257,6 +257,14 @@ static inline int uncore_num_counters(struct intel_uncore_box *box)
        return box->pmu->type->num_counters;
 }
+static inline void uncore_box_init(struct intel_uncore_box *box)
+{
+        if (!test_and_set_bit(UNCORE_BOX_FLAG_INITIATED, &box->flags)) {
+                if (box->pmu->type->ops->init_box)
+                        box->pmu->type->ops->init_box(box);
+        }
+}
 static inline void uncore_disable_box(struct intel_uncore_box *box)
 {
        if (box->pmu->type->ops->disable_box)
@@ -265,6 +273,8 @@ static inline void uncore_disable_box(struct intel_uncore_box *box)
 static inline void uncore_enable_box(struct intel_uncore_box *box)
 {
+        uncore_box_init(box);
        if (box->pmu->type->ops->enable_box)
                box->pmu->type->ops->enable_box(box);
 }
@@ -287,14 +297,6 @@ static inline u64 uncore_read_counter(struct intel_uncore_box *box,
        return box->pmu->type->ops->read_counter(box, event);
 }
-static inline void uncore_box_init(struct intel_uncore_box *box)
-{
-        if (!test_and_set_bit(UNCORE_BOX_FLAG_INITIATED, &box->flags)) {
-                if (box->pmu->type->ops->init_box)
-                        box->pmu->type->ops->init_box(box);
-        }
-}
 static inline bool uncore_box_is_fake(struct intel_uncore_box *box)
 {
        return (box->phys_id < 0);
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 4f0c0b954686..d52dcf0776ea 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -192,6 +192,9 @@ static void recalculate_apic_map(struct kvm *kvm)
                u16 cid, lid;
                u32 ldr, aid;
+                if (!kvm_apic_present(vcpu))
+                        continue;
                aid = kvm_apic_id(apic);
                ldr = kvm_apic_get_reg(apic, APIC_LDR);
                cid = apic_cluster_id(new, ldr);
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 38dcec403b46..e3ff27a5b634 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -898,6 +898,8 @@ mm_fault_error(struct pt_regs *regs, unsigned long error_code,
                if (fault & (VM_FAULT_SIGBUS|VM_FAULT_HWPOISON|
                             VM_FAULT_HWPOISON_LARGE))
                        do_sigbus(regs, error_code, address, fault);
+                else if (fault & VM_FAULT_SIGSEGV)
+                        bad_area_nosemaphore(regs, error_code, address);
                else
                        BUG();
        }
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 7b20bccf3648..2fb384724ebb 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -448,6 +448,22 @@ static const struct dmi_system_id pciprobe_dmi_table[] __initconst = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "ftServer"),
                },
        },
+        {
+                .callback = set_scan_all,
+                .ident = "Stratus/NEC ftServer",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "NEC"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Express5800/R32"),
+                },
+        },
+        {
+                .callback = set_scan_all,
+                .ident = "Stratus/NEC ftServer",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "NEC"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Express5800/R31"),
+                },
+        },
        {}
 };
diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c
index b57c4f91f487..9e3571a6535c 100644
--- a/arch/xtensa/mm/fault.c
+++ b/arch/xtensa/mm/fault.c
@@ -117,6 +117,8 @@ good_area:
        if (unlikely(fault & VM_FAULT_ERROR)) {
                if (fault & VM_FAULT_OOM)
                        goto out_of_memory;
+                else if (fault & VM_FAULT_SIGSEGV)
+                        goto bad_area;
                else if (fault & VM_FAULT_SIGBUS)
                        goto do_sigbus;
                BUG();
diff --git a/block/blk-mq-sysfs.c b/block/blk-mq-sysfs.c
index 6774a0e69867..1630a20d5dcf 100644
--- a/block/blk-mq-sysfs.c
+++ b/block/blk-mq-sysfs.c
@@ -15,26 +15,6 @@
 static void blk_mq_sysfs_release(struct kobject *kobj)
 {
-        struct request_queue *q;
-        q = container_of(kobj, struct request_queue, mq_kobj);
-        free_percpu(q->queue_ctx);
-}
-static void blk_mq_ctx_release(struct kobject *kobj)
-{
-        struct blk_mq_ctx *ctx;
-        ctx = container_of(kobj, struct blk_mq_ctx, kobj);
-        kobject_put(&ctx->queue->mq_kobj);
-}
-static void blk_mq_hctx_release(struct kobject *kobj)
-{
-        struct blk_mq_hw_ctx *hctx;
-        hctx = container_of(kobj, struct blk_mq_hw_ctx, kobj);
-        kfree(hctx);
 }
 struct blk_mq_ctx_sysfs_entry {
@@ -338,13 +318,13 @@ static struct kobj_type blk_mq_ktype = {
 static struct kobj_type blk_mq_ctx_ktype = {
        .sysfs_ops      = &blk_mq_sysfs_ops,
        .default_attrs  = default_ctx_attrs,
-        .release        = blk_mq_ctx_release,
+        .release        = blk_mq_sysfs_release,
 };
 static struct kobj_type blk_mq_hw_ktype = {
        .sysfs_ops      = &blk_mq_hw_sysfs_ops,
        .default_attrs  = default_hw_ctx_attrs,
-        .release        = blk_mq_hctx_release,
+        .release        = blk_mq_sysfs_release,
 };
 static void blk_mq_unregister_hctx(struct blk_mq_hw_ctx *hctx)
@@ -375,7 +355,6 @@ static int blk_mq_register_hctx(struct blk_mq_hw_ctx *hctx)
                return ret;
        hctx_for_each_ctx(hctx, ctx, i) {
-                kobject_get(&q->mq_kobj);
                ret = kobject_add(&ctx->kobj, &hctx->kobj, "cpu%u", ctx->cpu);
                if (ret)
                        break;
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 9ee3b87c4498..2390c5541e71 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1867,6 +1867,27 @@ static void blk_mq_add_queue_tag_set(struct blk_mq_tag_set *set,
        mutex_unlock(&set->tag_list_lock);
 }
+/*
+ * It is the actual release handler for mq, but we do it from
+ * request queue's release handler for avoiding use-after-free
+ * and headache because q->mq_kobj shouldn't have been introduced,
+ * but we can't group ctx/kctx kobj without it.
+ */
+void blk_mq_release(struct request_queue *q)
+{
+        struct blk_mq_hw_ctx *hctx;
+        unsigned int i;
+        /* hctx kobj stays in hctx */
+        queue_for_each_hw_ctx(q, hctx, i)
+                kfree(hctx);
+        kfree(q->queue_hw_ctx);
+        /* ctx kobj stays in queue_ctx */
+        free_percpu(q->queue_ctx);
+}
 struct request_queue *blk_mq_init_queue(struct blk_mq_tag_set *set)
 {
        struct blk_mq_hw_ctx **hctxs;
@@ -2000,10 +2021,8 @@ void blk_mq_free_queue(struct request_queue *q)
        percpu_ref_exit(&q->mq_usage_counter);
-        kfree(q->queue_hw_ctx);
        kfree(q->mq_map);
-        q->queue_hw_ctx = NULL;
        q->mq_map = NULL;
        mutex_lock(&all_q_mutex);
diff --git a/block/blk-mq.h b/block/blk-mq.h
index 4f4f943c22c3..6a48c4c0d8a2 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -62,6 +62,8 @@ extern void blk_mq_sysfs_unregister(struct request_queue *q);
 extern void blk_mq_rq_timed_out(struct request *req, bool reserved);
+void blk_mq_release(struct request_queue *q);
 /*
 * Basic implementation of sparser bitmap, allowing the user to spread
 * the bits over more cachelines.
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 935ea2aa0730..faaf36ade7eb 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -517,6 +517,8 @@ static void blk_release_queue(struct kobject *kobj)
        if (!q->mq_ops)
                blk_free_flush_queue(q->fq);
+        else
+                blk_mq_release(q);
        blk_trace_shutdown(q);
diff --git a/drivers/Kconfig b/drivers/Kconfig
index 694d5a70d6ce..c70d6e45dc10 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -134,8 +134,6 @@ source "drivers/staging/Kconfig"
 source "drivers/platform/Kconfig"
-source "drivers/soc/Kconfig"
 source "drivers/clk/Kconfig"
 source "drivers/hwspinlock/Kconfig"
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index 4f3febf8a589..e75737fd7eef 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -1,7 +1,7 @@
 /*
 * ACPI support for Intel Lynxpoint LPSS.
 *
- * Copyright (C) 2013, 2014, Intel Corporation
+ * Copyright (C) 2013, Intel Corporation
 * Authors: Mika Westerberg <mika.westerberg@linux.intel.com>
 *          Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 *
@@ -60,8 +60,6 @@ ACPI_MODULE_NAME("acpi_lpss");
 #define LPSS_CLK_DIVIDER                BIT(2)
 #define LPSS_LTR                        BIT(3)
 #define LPSS_SAVE_CTX                   BIT(4)
-#define LPSS_DEV_PROXY                  BIT(5)
-#define LPSS_PROXY_REQ                  BIT(6)
 struct lpss_private_data;
@@ -72,10 +70,8 @@ struct lpss_device_desc {
        void (*setup)(struct lpss_private_data *pdata);
 };
-static struct device *proxy_device;
 static struct lpss_device_desc lpss_dma_desc = {
-        .flags = LPSS_CLK | LPSS_PROXY_REQ,
+        .flags = LPSS_CLK,
 };
 struct lpss_private_data {
@@ -150,24 +146,22 @@ static struct lpss_device_desc byt_pwm_dev_desc = {
 };
 static struct lpss_device_desc byt_uart_dev_desc = {
-        .flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_SAVE_CTX |
+        .flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_SAVE_CTX,
-                 LPSS_DEV_PROXY,
        .prv_offset = 0x800,
        .setup = lpss_uart_setup,
 };
 static struct lpss_device_desc byt_spi_dev_desc = {
-        .flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_SAVE_CTX |
+        .flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_SAVE_CTX,
-                 LPSS_DEV_PROXY,
        .prv_offset = 0x400,
 };
 static struct lpss_device_desc byt_sdio_dev_desc = {
-        .flags = LPSS_CLK | LPSS_DEV_PROXY,
+        .flags = LPSS_CLK,
 };
 static struct lpss_device_desc byt_i2c_dev_desc = {
-        .flags = LPSS_CLK | LPSS_SAVE_CTX | LPSS_DEV_PROXY,
+        .flags = LPSS_CLK | LPSS_SAVE_CTX,
        .prv_offset = 0x800,
        .setup = byt_i2c_setup,
 };
@@ -374,8 +368,6 @@ static int acpi_lpss_create_device(struct acpi_device *adev,
        adev->driver_data = pdata;
        pdev = acpi_create_platform_device(adev);
        if (!IS_ERR_OR_NULL(pdev)) {
-                if (!proxy_device && dev_desc->flags & LPSS_DEV_PROXY)
-                        proxy_device = &pdev->dev;
                return 1;
        }
@@ -600,14 +592,7 @@ static int acpi_lpss_runtime_suspend(struct device *dev)
        if (pdata->dev_desc->flags & LPSS_SAVE_CTX)
                acpi_lpss_save_ctx(dev, pdata);
-        ret = acpi_dev_runtime_suspend(dev);
+        return acpi_dev_runtime_suspend(dev);
-        if (ret)
-                return ret;
-        if (pdata->dev_desc->flags & LPSS_PROXY_REQ && proxy_device)
-                return pm_runtime_put_sync_suspend(proxy_device);
-        return 0;
 }
 static int acpi_lpss_runtime_resume(struct device *dev)
@@ -615,12 +600,6 @@ static int acpi_lpss_runtime_resume(struct device *dev)
        struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev));
        int ret;
-        if (pdata->dev_desc->flags & LPSS_PROXY_REQ && proxy_device) {
-                ret = pm_runtime_get_sync(proxy_device);
-                if (ret)
-                        return ret;
-        }
        ret = acpi_dev_runtime_resume(dev);
        if (ret)
                return ret;
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 3ec85dfce124..8a86b62466f7 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -2098,32 +2098,26 @@ static void rbd_dev_parent_put(struct rbd_device *rbd_dev)
 * If an image has a non-zero parent overlap, get a reference to its
 * parent.
 *
- * We must get the reference before checking for the overlap to
- * coordinate properly with zeroing the parent overlap in
- * rbd_dev_v2_parent_info() when an image gets flattened.  We
- * drop it again if there is no overlap.
- *
 * Returns true if the rbd device has a parent with a non-zero
 * overlap and a reference for it was successfully taken, or
 * false otherwise.
 */
 static bool rbd_dev_parent_get(struct rbd_device *rbd_dev)
 {
-        int counter;
+        int counter = 0;
        if (!rbd_dev->parent_spec)
                return false;
-        counter = atomic_inc_return_safe(&rbd_dev->parent_ref);
+        down_read(&rbd_dev->header_rwsem);
-        if (counter > 0 && rbd_dev->parent_overlap)
+        if (rbd_dev->parent_overlap)
-                return true;
+                counter = atomic_inc_return_safe(&rbd_dev->parent_ref);
+        up_read(&rbd_dev->header_rwsem);
-        /* Image was flattened, but parent is not yet torn down */
        if (counter < 0)
                rbd_warn(rbd_dev, "parent reference overflow");
-        return false;
+        return counter > 0;
 }
 /*
@@ -4239,7 +4233,6 @@ static int rbd_dev_v2_parent_info(struct rbd_device *rbd_dev)
                 */
                if (rbd_dev->parent_overlap) {
                        rbd_dev->parent_overlap = 0;
-                        smp_mb();
                        rbd_dev_parent_put(rbd_dev);
                        pr_info("%s: clone image has been flattened\n",
                                rbd_dev->disk->disk_name);
@@ -4285,7 +4278,6 @@ static int rbd_dev_v2_parent_info(struct rbd_device *rbd_dev)
         * treat it specially.
         */
        rbd_dev->parent_overlap = overlap;
-        smp_mb();
        if (!overlap) {
                /* A null parent_spec indicates it's the initial probe */
@@ -5114,10 +5106,7 @@ static void rbd_dev_unprobe(struct rbd_device *rbd_dev)
 {
        struct rbd_image_header *header;
-        /* Drop parent reference unless it's already been done (or none) */
+        rbd_dev_parent_put(rbd_dev);
-        if (rbd_dev->parent_overlap)
-                rbd_dev_parent_put(rbd_dev);
        /* Free dynamic fields from the header, then zero it out */
diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c
index da9c316059bc..eea5d7e578c9 100644
--- a/drivers/gpio/gpio-mcp23s08.c
+++ b/drivers/gpio/gpio-mcp23s08.c
@@ -801,9 +801,11 @@ static int mcp230xx_probe(struct i2c_client *client,
                client->irq = irq_of_parse_and_map(client->dev.of_node, 0);
        } else {
                pdata = dev_get_platdata(&client->dev);
-                if (!pdata || !gpio_is_valid(pdata->base)) {
+                if (!pdata) {
-                        dev_dbg(&client->dev, "invalid platform data\n");
+                        pdata = devm_kzalloc(&client->dev,
-                        return -EINVAL;
+                                        sizeof(struct mcp23s08_platform_data),
+                                        GFP_KERNEL);
+                        pdata->base = -1;
                }
        }
@@ -924,10 +926,11 @@ static int mcp23s08_probe(struct spi_device *spi)
        } else {
                type = spi_get_device_id(spi)->driver_data;
                pdata = dev_get_platdata(&spi->dev);
-                if (!pdata || !gpio_is_valid(pdata->base)) {
+                if (!pdata) {
-                        dev_dbg(&spi->dev,
+                        pdata = devm_kzalloc(&spi->dev,
-                                        "invalid or missing platform data\n");
+                                        sizeof(struct mcp23s08_platform_data),
-                        return -EINVAL;
+                                        GFP_KERNEL);
+                        pdata->base = -1;
                }
                for (addr = 0; addr < ARRAY_SIZE(pdata->chip); addr++) {
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 30646cfe0efa..f476ae2eb0b3 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -88,6 +88,8 @@ struct gpio_bank {
 #define BANK_USED(bank) (bank->mod_usage || bank->irq_usage)
 #define LINE_USED(line, offset) (line & (BIT(offset)))
+static void omap_gpio_unmask_irq(struct irq_data *d);
 static int omap_irq_to_gpio(struct gpio_bank *bank, unsigned int gpio_irq)
 {
        return bank->chip.base + gpio_irq;
@@ -477,6 +479,16 @@ static int omap_gpio_is_input(struct gpio_bank *bank, int mask)
        return readl_relaxed(reg) & mask;
 }
+static void omap_gpio_init_irq(struct gpio_bank *bank, unsigned gpio,
+                               unsigned offset)
+{
+        if (!LINE_USED(bank->mod_usage, offset)) {
+                omap_enable_gpio_module(bank, offset);
+                omap_set_gpio_direction(bank, offset, 1);
+        }
+        bank->irq_usage |= BIT(GPIO_INDEX(bank, gpio));
+}
 static int omap_gpio_irq_type(struct irq_data *d, unsigned type)
 {
        struct gpio_bank *bank = omap_irq_data_get_bank(d);
@@ -506,15 +518,11 @@ static int omap_gpio_irq_type(struct irq_data *d, unsigned type)
        spin_lock_irqsave(&bank->lock, flags);
        offset = GPIO_INDEX(bank, gpio);
        retval = omap_set_gpio_triggering(bank, offset, type);
-        if (!LINE_USED(bank->mod_usage, offset)) {
+        omap_gpio_init_irq(bank, gpio, offset);
-                omap_enable_gpio_module(bank, offset);
+        if (!omap_gpio_is_input(bank, BIT(offset))) {
-                omap_set_gpio_direction(bank, offset, 1);
-        } else if (!omap_gpio_is_input(bank, BIT(offset))) {
                spin_unlock_irqrestore(&bank->lock, flags);
                return -EINVAL;
        }
-        bank->irq_usage |= BIT(GPIO_INDEX(bank, gpio));
        spin_unlock_irqrestore(&bank->lock, flags);
        if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))
@@ -792,6 +800,24 @@ exit:
        pm_runtime_put(bank->dev);
 }
+static unsigned int omap_gpio_irq_startup(struct irq_data *d)
+{
+        struct gpio_bank *bank = omap_irq_data_get_bank(d);
+        unsigned int gpio = omap_irq_to_gpio(bank, d->hwirq);
+        unsigned long flags;
+        unsigned offset = GPIO_INDEX(bank, gpio);
+        if (!BANK_USED(bank))
+                pm_runtime_get_sync(bank->dev);
+        spin_lock_irqsave(&bank->lock, flags);
+        omap_gpio_init_irq(bank, gpio, offset);
+        spin_unlock_irqrestore(&bank->lock, flags);
+        omap_gpio_unmask_irq(d);
+        return 0;
+}
 static void omap_gpio_irq_shutdown(struct irq_data *d)
 {
        struct gpio_bank *bank = omap_irq_data_get_bank(d);
@@ -1181,6 +1207,7 @@ static int omap_gpio_probe(struct platform_device *pdev)
        if (!irqc)
                return -ENOMEM;
+        irqc->irq_startup = omap_gpio_irq_startup,
        irqc->irq_shutdown = omap_gpio_irq_shutdown,
        irqc->irq_ack = omap_gpio_ack_irq,
        irqc->irq_mask = omap_gpio_mask_irq,
diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c
index f62aa115d79a..7722ed53bd65 100644
--- a/drivers/gpio/gpiolib-sysfs.c
+++ b/drivers/gpio/gpiolib-sysfs.c
@@ -648,6 +648,7 @@ int gpiod_export_link(struct device *dev, const char *name,
                if (tdev != NULL) {
                        status = sysfs_create_link(&dev->kobj, &tdev->kobj,
                                                name);
+                        put_device(tdev);
                } else {
                        status = -ENODEV;
                }
@@ -695,7 +696,7 @@ int gpiod_sysfs_set_active_low(struct gpio_desc *desc, int value)
        }
        status = sysfs_set_active_low(desc, dev, value);
+        put_device(dev);
 unlock:
        mutex_unlock(&sysfs_lock);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index 633532a2e7ec..25bc47f3c1cf 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -26,6 +26,7 @@
 #include <linux/slab.h>
 #include "kfd_priv.h"
 #include "kfd_device_queue_manager.h"
+#include "kfd_pm4_headers.h"
 #define MQD_SIZE_ALIGNED 768
@@ -169,9 +170,8 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd,
        kfd->shared_resources = *gpu_resources;
        /* calculate max size of mqds needed for queues */
-        size = max_num_of_processes *
+        size = max_num_of_queues_per_device *
-                max_num_of_queues_per_process *
+                        kfd->device_info->mqd_size_aligned;
-                kfd->device_info->mqd_size_aligned;
        /* add another 512KB for all other allocations on gart */
        size += 512 * 1024;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index 30c8fda9622e..0fd592799d58 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -183,6 +183,13 @@ static int create_queue_nocpsch(struct device_queue_manager *dqm,
        mutex_lock(&dqm->lock);
+        if (dqm->total_queue_count >= max_num_of_queues_per_device) {
+                pr_warn("amdkfd: Can't create new usermode queue because %d queues were already created\n",
+                                dqm->total_queue_count);
+                mutex_unlock(&dqm->lock);
+                return -EPERM;
+        }
        if (list_empty(&qpd->queues_list)) {
                retval = allocate_vmid(dqm, qpd, q);
                if (retval != 0) {
@@ -207,6 +214,14 @@ static int create_queue_nocpsch(struct device_queue_manager *dqm,
        list_add(&q->list, &qpd->queues_list);
        dqm->queue_count++;
+        /*
+         * Unconditionally increment this counter, regardless of the queue's
+         * type or whether the queue is active.
+         */
+        dqm->total_queue_count++;
+        pr_debug("Total of %d queues are accountable so far\n",
+                        dqm->total_queue_count);
        mutex_unlock(&dqm->lock);
        return 0;
 }
@@ -326,6 +341,15 @@ static int destroy_queue_nocpsch(struct device_queue_manager *dqm,
        if (list_empty(&qpd->queues_list))
                deallocate_vmid(dqm, qpd, q);
        dqm->queue_count--;
+        /*
+         * Unconditionally decrement this counter, regardless of the queue's
+         * type
+         */
+        dqm->total_queue_count--;
+        pr_debug("Total of %d queues are accountable so far\n",
+                        dqm->total_queue_count);
 out:
        mutex_unlock(&dqm->lock);
        return retval;
@@ -541,10 +565,14 @@ static int init_pipelines(struct device_queue_manager *dqm,
        for (i = 0; i < pipes_num; i++) {
                inx = i + first_pipe;
+                /*
+                 * HPD buffer on GTT is allocated by amdkfd, no need to waste
+                 * space in GTT for pipelines we don't initialize
+                 */
                pipe_hpd_addr = dqm->pipelines_addr + i * CIK_HPD_EOP_BYTES;
                pr_debug("kfd: pipeline address %llX\n", pipe_hpd_addr);
                /* = log2(bytes/4)-1 */
-                kfd2kgd->init_pipeline(dqm->dev->kgd, i,
+                kfd2kgd->init_pipeline(dqm->dev->kgd, inx,
                                CIK_HPD_EOP_BYTES_LOG2 - 3, pipe_hpd_addr);
        }
@@ -560,7 +588,7 @@ static int init_scheduler(struct device_queue_manager *dqm)
        pr_debug("kfd: In %s\n", __func__);
-        retval = init_pipelines(dqm, get_pipes_num(dqm), KFD_DQM_FIRST_PIPE);
+        retval = init_pipelines(dqm, get_pipes_num(dqm), get_first_pipe(dqm));
        if (retval != 0)
                return retval;
@@ -752,6 +780,21 @@ static int create_kernel_queue_cpsch(struct device_queue_manager *dqm,
        pr_debug("kfd: In func %s\n", __func__);
        mutex_lock(&dqm->lock);
+        if (dqm->total_queue_count >= max_num_of_queues_per_device) {
+                pr_warn("amdkfd: Can't create new kernel queue because %d queues were already created\n",
+                                dqm->total_queue_count);
+                mutex_unlock(&dqm->lock);
+                return -EPERM;
+        }
+        /*
+         * Unconditionally increment this counter, regardless of the queue's
+         * type or whether the queue is active.
+         */
+        dqm->total_queue_count++;
+        pr_debug("Total of %d queues are accountable so far\n",
+                        dqm->total_queue_count);
        list_add(&kq->list, &qpd->priv_queue_list);
        dqm->queue_count++;
        qpd->is_debug = true;
@@ -775,6 +818,13 @@ static void destroy_kernel_queue_cpsch(struct device_queue_manager *dqm,
        dqm->queue_count--;
        qpd->is_debug = false;
        execute_queues_cpsch(dqm, false);
+        /*
+         * Unconditionally decrement this counter, regardless of the queue's
+         * type.
+         */
+        dqm->total_queue_count--;
+        pr_debug("Total of %d queues are accountable so far\n",
+                        dqm->total_queue_count);
        mutex_unlock(&dqm->lock);
 }
@@ -793,6 +843,13 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q,
        mutex_lock(&dqm->lock);
+        if (dqm->total_queue_count >= max_num_of_queues_per_device) {
+                pr_warn("amdkfd: Can't create new usermode queue because %d queues were already created\n",
+                                dqm->total_queue_count);
+                retval = -EPERM;
+                goto out;
+        }
        mqd = dqm->get_mqd_manager(dqm, KFD_MQD_TYPE_CIK_CP);
        if (mqd == NULL) {
                mutex_unlock(&dqm->lock);
@@ -810,6 +867,15 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q,
                retval = execute_queues_cpsch(dqm, false);
        }
+        /*
+         * Unconditionally increment this counter, regardless of the queue's
+         * type or whether the queue is active.
+         */
+        dqm->total_queue_count++;
+        pr_debug("Total of %d queues are accountable so far\n",
+                        dqm->total_queue_count);
 out:
        mutex_unlock(&dqm->lock);
        return retval;
@@ -930,6 +996,14 @@ static int destroy_queue_cpsch(struct device_queue_manager *dqm,
        mqd->uninit_mqd(mqd, q->mqd, q->mqd_mem_obj);
+        /*
+         * Unconditionally decrement this counter, regardless of the queue's
+         * type
+         */
+        dqm->total_queue_count--;
+        pr_debug("Total of %d queues are accountable so far\n",
+                        dqm->total_queue_count);
        mutex_unlock(&dqm->lock);
        return 0;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
index c3f189e8ae35..52035bf0c1cb 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
@@ -130,6 +130,7 @@ struct device_queue_manager {
        struct list_head        queues;
        unsigned int            processes_count;
        unsigned int            queue_count;
+        unsigned int            total_queue_count;
        unsigned int            next_pipe_to_allocate;
        unsigned int            *allocated_queues;
        unsigned int            vmid_bitmap;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_module.c b/drivers/gpu/drm/amd/amdkfd/kfd_module.c
index 95d5af138e6e..1c385c23dd0b 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_module.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_module.c
@@ -50,15 +50,10 @@ module_param(sched_policy, int, 0444);
 MODULE_PARM_DESC(sched_policy,
        "Kernel cmdline parameter that defines the amdkfd scheduling policy");
-int max_num_of_processes = KFD_MAX_NUM_OF_PROCESSES_DEFAULT;
+int max_num_of_queues_per_device = KFD_MAX_NUM_OF_QUEUES_PER_DEVICE_DEFAULT;
-module_param(max_num_of_processes, int, 0444);
+module_param(max_num_of_queues_per_device, int, 0444);
-MODULE_PARM_DESC(max_num_of_processes,
+MODULE_PARM_DESC(max_num_of_queues_per_device,
-        "Kernel cmdline parameter that defines the amdkfd maximum number of supported processes");
+        "Maximum number of supported queues per device (1 = Minimum, 4096 = default)");
-int max_num_of_queues_per_process = KFD_MAX_NUM_OF_QUEUES_PER_PROCESS_DEFAULT;
-module_param(max_num_of_queues_per_process, int, 0444);
-MODULE_PARM_DESC(max_num_of_queues_per_process,
-        "Kernel cmdline parameter that defines the amdkfd maximum number of supported queues per process");
 bool kgd2kfd_init(unsigned interface_version,
                  const struct kfd2kgd_calls *f2g,
@@ -100,16 +95,10 @@ static int __init kfd_module_init(void)
        }
        /* Verify module parameters */
-        if ((max_num_of_processes < 0) ||
+        if ((max_num_of_queues_per_device < 1) ||
-                (max_num_of_processes > KFD_MAX_NUM_OF_PROCESSES)) {
+                (max_num_of_queues_per_device >
-                pr_err("kfd: max_num_of_processes must be between 0 to KFD_MAX_NUM_OF_PROCESSES\n");
+                        KFD_MAX_NUM_OF_QUEUES_PER_DEVICE)) {
-                return -1;
+                pr_err("kfd: max_num_of_queues_per_device must be between 1 to KFD_MAX_NUM_OF_QUEUES_PER_DEVICE\n");
-        }
-        if ((max_num_of_queues_per_process < 0) ||
-                (max_num_of_queues_per_process >
-                        KFD_MAX_NUM_OF_QUEUES_PER_PROCESS)) {
-                pr_err("kfd: max_num_of_queues_per_process must be between 0 to KFD_MAX_NUM_OF_QUEUES_PER_PROCESS\n");
                return -1;
        }
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c b/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
index 4c25ef504f79..6cfe7f1f18cf 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
@@ -30,7 +30,7 @@ static DEFINE_MUTEX(pasid_mutex);
 int kfd_pasid_init(void)
 {
-        pasid_limit = max_num_of_processes;
+        pasid_limit = KFD_MAX_NUM_OF_PROCESSES;
        pasid_bitmap = kcalloc(BITS_TO_LONGS(pasid_limit), sizeof(long), GFP_KERNEL);
        if (!pasid_bitmap)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index b3dc13c83169..96dc10e8904a 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -52,20 +52,19 @@
 #define kfd_alloc_struct(ptr_to_struct) \
        ((typeof(ptr_to_struct)) kzalloc(sizeof(*ptr_to_struct), GFP_KERNEL))
-/* Kernel module parameter to specify maximum number of supported processes */
-extern int max_num_of_processes;
-#define KFD_MAX_NUM_OF_PROCESSES_DEFAULT 32
 #define KFD_MAX_NUM_OF_PROCESSES 512
+#define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS 1024
 /*
- * Kernel module parameter to specify maximum number of supported queues
+ * Kernel module parameter to specify maximum number of supported queues per
- * per process
+ * device
 */
-extern int max_num_of_queues_per_process;
+extern int max_num_of_queues_per_device;
-#define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS_DEFAULT 128
+#define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE_DEFAULT 4096
-#define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS 1024
+#define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE                \
+        (KFD_MAX_NUM_OF_PROCESSES *                     \
+                        KFD_MAX_NUM_OF_QUEUES_PER_PROCESS)
 #define KFD_KERNEL_QUEUE_SIZE 2048
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
index 47526780d736..2fda1927bff7 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
@@ -54,11 +54,11 @@ static int find_available_queue_slot(struct process_queue_manager *pqm,
        pr_debug("kfd: in %s\n", __func__);
        found = find_first_zero_bit(pqm->queue_slot_bitmap,
-                        max_num_of_queues_per_process);
+                        KFD_MAX_NUM_OF_QUEUES_PER_PROCESS);
        pr_debug("kfd: the new slot id %lu\n", found);
-        if (found >= max_num_of_queues_per_process) {
+        if (found >= KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) {
                pr_info("amdkfd: Can not open more queues for process with pasid %d\n",
                                pqm->process->pasid);
                return -ENOMEM;
@@ -76,7 +76,7 @@ int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p)
        INIT_LIST_HEAD(&pqm->queues);
        pqm->queue_slot_bitmap =
-                        kzalloc(DIV_ROUND_UP(max_num_of_queues_per_process,
+                        kzalloc(DIV_ROUND_UP(KFD_MAX_NUM_OF_QUEUES_PER_PROCESS,
                                        BITS_PER_BYTE), GFP_KERNEL);
        if (pqm->queue_slot_bitmap == NULL)
                return -ENOMEM;
@@ -203,6 +203,7 @@ int pqm_create_queue(struct process_queue_manager *pqm,
                pqn->kq = NULL;
                retval = dev->dqm->create_queue(dev->dqm, q, &pdd->qpd,
                                                &q->properties.vmid);
+                pr_debug("DQM returned %d for create_queue\n", retval);
                print_queue(q);
                break;
        case KFD_QUEUE_TYPE_DIQ:
@@ -222,7 +223,7 @@ int pqm_create_queue(struct process_queue_manager *pqm,
        }
        if (retval != 0) {
-                pr_err("kfd: error dqm create queue\n");
+                pr_debug("Error dqm create queue\n");
                goto err_create_queue;
        }
@@ -241,7 +242,10 @@ int pqm_create_queue(struct process_queue_manager *pqm,
 err_create_queue:
        kfree(pqn);
 err_allocate_pqn:
+        /* check if queues list is empty unregister process from device */
        clear_bit(*qid, pqm->queue_slot_bitmap);
+        if (list_empty(&pqm->queues))
+                dev->dqm->unregister_process(dev->dqm, &pdd->qpd);
        return retval;
 }
@@ -311,7 +315,11 @@ int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid,
        BUG_ON(!pqm);
        pqn = get_queue_by_qid(pqm, qid);
-        BUG_ON(!pqn);
+        if (!pqn) {
+                pr_debug("amdkfd: No queue %d exists for update operation\n",
+                                qid);
+                return -EFAULT;
+        }
        pqn->q->properties.queue_address = p->queue_address;
        pqn->q->properties.queue_size = p->queue_size;
diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.c b/drivers/gpu/drm/cirrus/cirrus_drv.c
index c2a1cba1e984..b9140032962d 100644
--- a/drivers/gpu/drm/cirrus/cirrus_drv.c
+++ b/drivers/gpu/drm/cirrus/cirrus_drv.c
@@ -16,9 +16,12 @@
 #include "cirrus_drv.h"
 int cirrus_modeset = -1;
+int cirrus_bpp = 24;
 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
 module_param_named(modeset, cirrus_modeset, int, 0400);
+MODULE_PARM_DESC(bpp, "Max bits-per-pixel (default:24)");
+module_param_named(bpp, cirrus_bpp, int, 0400);
 /*
 * This is the generic driver code. This binds the driver to the drm core,
diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.h b/drivers/gpu/drm/cirrus/cirrus_drv.h
index 693a4565c4ff..705061537a27 100644
--- a/drivers/gpu/drm/cirrus/cirrus_drv.h
+++ b/drivers/gpu/drm/cirrus/cirrus_drv.h
@@ -262,4 +262,7 @@ static inline void cirrus_bo_unreserve(struct cirrus_bo *bo)
 int cirrus_bo_push_sysram(struct cirrus_bo *bo);
 int cirrus_bo_pin(struct cirrus_bo *bo, u32 pl_flag, u64 *gpu_addr);
+extern int cirrus_bpp;
 #endif                          /* __CIRRUS_DRV_H__ */
diff --git a/drivers/gpu/drm/cirrus/cirrus_main.c b/drivers/gpu/drm/cirrus/cirrus_main.c
index 4c2d68e9102d..e4b976658087 100644
--- a/drivers/gpu/drm/cirrus/cirrus_main.c
+++ b/drivers/gpu/drm/cirrus/cirrus_main.c
@@ -320,6 +320,8 @@ bool cirrus_check_framebuffer(struct cirrus_device *cdev, int width, int height,
        const int max_pitch = 0x1FF << 3; /* (4096 - 1) & ~111b bytes */
        const int max_size = cdev->mc.vram_size;
+        if (bpp > cirrus_bpp)
+                return false;
        if (bpp > 32)
                return false;
diff --git a/drivers/gpu/drm/cirrus/cirrus_mode.c b/drivers/gpu/drm/cirrus/cirrus_mode.c
index 99d4a74ffeaf..61385f2298bf 100644
--- a/drivers/gpu/drm/cirrus/cirrus_mode.c
+++ b/drivers/gpu/drm/cirrus/cirrus_mode.c
@@ -501,8 +501,13 @@ static int cirrus_vga_get_modes(struct drm_connector *connector)
        int count;
        /* Just add a static list of modes */
-        count = drm_add_modes_noedid(connector, 1280, 1024);
+        if (cirrus_bpp <= 24) {
-        drm_set_preferred_mode(connector, 1024, 768);
+                count = drm_add_modes_noedid(connector, 1280, 1024);
+                drm_set_preferred_mode(connector, 1024, 768);
+        } else {
+                count = drm_add_modes_noedid(connector, 800, 600);
+                drm_set_preferred_mode(connector, 800, 600);
+        }
        return count;
 }
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index cf775a4449c1..dc386ebe5193 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -145,6 +145,31 @@ int drm_fb_helper_add_one_connector(struct drm_fb_helper *fb_helper, struct drm_
 }
 EXPORT_SYMBOL(drm_fb_helper_add_one_connector);
+static void remove_from_modeset(struct drm_mode_set *set,
+                struct drm_connector *connector)
+{
+        int i, j;
+        for (i = 0; i < set->num_connectors; i++) {
+                if (set->connectors[i] == connector)
+                        break;
+        }
+        if (i == set->num_connectors)
+                return;
+        for (j = i + 1; j < set->num_connectors; j++) {
+                set->connectors[j - 1] = set->connectors[j];
+        }
+        set->num_connectors--;
+        /* because i915 is pissy about this..
+         * TODO maybe need to makes sure we set it back to !=NULL somewhere?
+         */
+        if (set->num_connectors == 0)
+                set->fb = NULL;
+}
 int drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper,
                                       struct drm_connector *connector)
 {
@@ -167,6 +192,11 @@ int drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper,
        }
        fb_helper->connector_count--;
        kfree(fb_helper_connector);
+        /* also cleanup dangling references to the connector: */
+        for (i = 0; i < fb_helper->crtc_count; i++)
+                remove_from_modeset(&fb_helper->crtc_info[i].mode_set, connector);
        return 0;
 }
 EXPORT_SYMBOL(drm_fb_helper_remove_one_connector);
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index d4762799351d..a9041d1a8ff0 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -32,6 +32,8 @@
 struct tda998x_priv {
        struct i2c_client *cec;
        struct i2c_client *hdmi;
+        struct mutex mutex;
+        struct delayed_work dwork;
        uint16_t rev;
        uint8_t current_page;
        int dpms;
@@ -402,9 +404,10 @@ reg_read_range(struct tda998x_priv *priv, uint16_t reg, char *buf, int cnt)
        uint8_t addr = REG2ADDR(reg);
        int ret;
+        mutex_lock(&priv->mutex);
        ret = set_page(priv, reg);
        if (ret < 0)
-                return ret;
+                goto out;
        ret = i2c_master_send(client, &addr, sizeof(addr));
        if (ret < 0)
@@ -414,10 +417,12 @@ reg_read_range(struct tda998x_priv *priv, uint16_t reg, char *buf, int cnt)
        if (ret < 0)
                goto fail;
-        return ret;
+        goto out;
 fail:
        dev_err(&client->dev, "Error %d reading from 0x%x\n", ret, reg);
+out:
+        mutex_unlock(&priv->mutex);
        return ret;
 }
@@ -431,13 +436,16 @@ reg_write_range(struct tda998x_priv *priv, uint16_t reg, uint8_t *p, int cnt)
        buf[0] = REG2ADDR(reg);
        memcpy(&buf[1], p, cnt);
+        mutex_lock(&priv->mutex);
        ret = set_page(priv, reg);
        if (ret < 0)
-                return;
+                goto out;
        ret = i2c_master_send(client, buf, cnt + 1);
        if (ret < 0)
                dev_err(&client->dev, "Error %d writing to 0x%x\n", ret, reg);
+out:
+        mutex_unlock(&priv->mutex);
 }
 static int
@@ -459,13 +467,16 @@ reg_write(struct tda998x_priv *priv, uint16_t reg, uint8_t val)
        uint8_t buf[] = {REG2ADDR(reg), val};
        int ret;
+        mutex_lock(&priv->mutex);
        ret = set_page(priv, reg);
        if (ret < 0)
-                return;
+                goto out;
        ret = i2c_master_send(client, buf, sizeof(buf));
        if (ret < 0)
                dev_err(&client->dev, "Error %d writing to 0x%x\n", ret, reg);
+out:
+        mutex_unlock(&priv->mutex);
 }
 static void
@@ -475,13 +486,16 @@ reg_write16(struct tda998x_priv *priv, uint16_t reg, uint16_t val)
        uint8_t buf[] = {REG2ADDR(reg), val >> 8, val};
        int ret;
+        mutex_lock(&priv->mutex);
        ret = set_page(priv, reg);
        if (ret < 0)
-                return;
+                goto out;
        ret = i2c_master_send(client, buf, sizeof(buf));
        if (ret < 0)
                dev_err(&client->dev, "Error %d writing to 0x%x\n", ret, reg);
+out:
+        mutex_unlock(&priv->mutex);
 }
 static void
@@ -536,6 +550,17 @@ tda998x_reset(struct tda998x_priv *priv)
        reg_write(priv, REG_MUX_VP_VIP_OUT, 0x24);
 }
+/* handle HDMI connect/disconnect */
+static void tda998x_hpd(struct work_struct *work)
+{
+        struct delayed_work *dwork = to_delayed_work(work);
+        struct tda998x_priv *priv =
+                        container_of(dwork, struct tda998x_priv, dwork);
+        if (priv->encoder && priv->encoder->dev)
+                drm_kms_helper_hotplug_event(priv->encoder->dev);
+}
 /*
 * only 2 interrupts may occur: screen plug/unplug and EDID read
 */
@@ -559,8 +584,7 @@ static irqreturn_t tda998x_irq_thread(int irq, void *data)
                priv->wq_edid_wait = 0;
                wake_up(&priv->wq_edid);
        } else if (cec != 0) {                  /* HPD change */
-                if (priv->encoder && priv->encoder->dev)
+                schedule_delayed_work(&priv->dwork, HZ/10);
-                        drm_helper_hpd_irq_event(priv->encoder->dev);
        }
        return IRQ_HANDLED;
 }
@@ -1170,8 +1194,10 @@ static void tda998x_destroy(struct tda998x_priv *priv)
        /* disable all IRQs and free the IRQ handler */
        cec_write(priv, REG_CEC_RXSHPDINTENA, 0);
        reg_clear(priv, REG_INT_FLAGS_2, INT_FLAGS_2_EDID_BLK_RD);
-        if (priv->hdmi->irq)
+        if (priv->hdmi->irq) {
                free_irq(priv->hdmi->irq, priv);
+                cancel_delayed_work_sync(&priv->dwork);
+        }
        i2c_unregister_device(priv->cec);
 }
@@ -1255,6 +1281,7 @@ static int tda998x_create(struct i2c_client *client, struct tda998x_priv *priv)
        struct device_node *np = client->dev.of_node;
        u32 video;
        int rev_lo, rev_hi, ret;
+        unsigned short cec_addr;
        priv->vip_cntrl_0 = VIP_CNTRL_0_SWAP_A(2) | VIP_CNTRL_0_SWAP_B(3);
        priv->vip_cntrl_1 = VIP_CNTRL_1_SWAP_C(0) | VIP_CNTRL_1_SWAP_D(1);
@@ -1262,12 +1289,16 @@ static int tda998x_create(struct i2c_client *client, struct tda998x_priv *priv)
        priv->current_page = 0xff;
        priv->hdmi = client;
-        priv->cec = i2c_new_dummy(client->adapter, 0x34);
+        /* CEC I2C address bound to TDA998x I2C addr by configuration pins */
+        cec_addr = 0x34 + (client->addr & 0x03);
+        priv->cec = i2c_new_dummy(client->adapter, cec_addr);
        if (!priv->cec)
                return -ENODEV;
        priv->dpms = DRM_MODE_DPMS_OFF;
+        mutex_init(&priv->mutex);       /* protect the page access */
        /* wake up the device: */
        cec_write(priv, REG_CEC_ENAMODS,
                        CEC_ENAMODS_EN_RXSENS | CEC_ENAMODS_EN_HDMI);
@@ -1323,8 +1354,9 @@ static int tda998x_create(struct i2c_client *client, struct tda998x_priv *priv)
        if (client->irq) {
                int irqf_trigger;
-                /* init read EDID waitqueue */
+                /* init read EDID waitqueue and HDP work */
                init_waitqueue_head(&priv->wq_edid);
+                INIT_DELAYED_WORK(&priv->dwork, tda998x_hpd);
                /* clear pending interrupts */
                reg_read(priv, REG_INT_FLAGS_0);
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 574057cd1d09..7643300828c3 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -462,19 +462,13 @@ void intel_detect_pch(struct drm_device *dev)
                        } else if (id == INTEL_PCH_LPT_DEVICE_ID_TYPE) {
                                dev_priv->pch_type = PCH_LPT;
                                DRM_DEBUG_KMS("Found LynxPoint PCH\n");
-                                WARN_ON(!IS_HASWELL(dev));
+                                WARN_ON(!IS_HASWELL(dev) && !IS_BROADWELL(dev));
-                                WARN_ON(IS_HSW_ULT(dev));
+                                WARN_ON(IS_HSW_ULT(dev) || IS_BDW_ULT(dev));
-                        } else if (IS_BROADWELL(dev)) {
-                                dev_priv->pch_type = PCH_LPT;
-                                dev_priv->pch_id =
-                                        INTEL_PCH_LPT_LP_DEVICE_ID_TYPE;
-                                DRM_DEBUG_KMS("This is Broadwell, assuming "
-                                              "LynxPoint LP PCH\n");
                        } else if (id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) {
                                dev_priv->pch_type = PCH_LPT;
                                DRM_DEBUG_KMS("Found LynxPoint LP PCH\n");
-                                WARN_ON(!IS_HASWELL(dev));
+                                WARN_ON(!IS_HASWELL(dev) && !IS_BROADWELL(dev));
-                                WARN_ON(!IS_HSW_ULT(dev));
+                                WARN_ON(!IS_HSW_ULT(dev) && !IS_BDW_ULT(dev));
                        } else if (id == INTEL_PCH_SPT_DEVICE_ID_TYPE) {
                                dev_priv->pch_type = PCH_SPT;
                                DRM_DEBUG_KMS("Found SunrisePoint PCH\n");
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index e9f891c432f8..9d7a7155bf02 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2159,8 +2159,7 @@ struct drm_i915_cmd_table {
 #define IS_HSW_EARLY_SDV(dev)   (IS_HASWELL(dev) && \
                                 (INTEL_DEVID(dev) & 0xFF00) == 0x0C00)
 #define IS_BDW_ULT(dev)         (IS_BROADWELL(dev) && \
-                                 ((INTEL_DEVID(dev) & 0xf) == 0x2  || \
+                                 ((INTEL_DEVID(dev) & 0xf) == 0x6 ||    \
-                                 (INTEL_DEVID(dev) & 0xf) == 0x6 || \
                                 (INTEL_DEVID(dev) & 0xf) == 0xe))
 #define IS_BDW_GT3(dev)         (IS_BROADWELL(dev) && \
                                 (INTEL_DEVID(dev) & 0x00F0) == 0x0020)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 76354d3ba925..5f614828d365 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3148,6 +3148,13 @@ static void i965_write_fence_reg(struct drm_device *dev, int reg,
                u32 size = i915_gem_obj_ggtt_size(obj);
                uint64_t val;
+                /* Adjust fence size to match tiled area */
+                if (obj->tiling_mode != I915_TILING_NONE) {
+                        uint32_t row_size = obj->stride *
+                                (obj->tiling_mode == I915_TILING_Y ? 32 : 8);
+                        size = (size / row_size) * row_size;
+                }
                val = (uint64_t)((i915_gem_obj_ggtt_offset(obj) + size - 4096) &
                                 0xfffff000) << 32;
                val |= i915_gem_obj_ggtt_offset(obj) & 0xfffff000;
@@ -4884,25 +4891,18 @@ i915_gem_init_hw(struct drm_device *dev)
        for (i = 0; i < NUM_L3_SLICES(dev); i++)
                i915_gem_l3_remap(&dev_priv->ring[RCS], i);
-        /*
+        ret = i915_ppgtt_init_hw(dev);
-         * XXX: Contexts should only be initialized once. Doing a switch to the
-         * default context switch however is something we'd like to do after
-         * reset or thaw (the latter may not actually be necessary for HW, but
-         * goes with our code better). Context switching requires rings (for
-         * the do_switch), but before enabling PPGTT. So don't move this.
-         */
-        ret = i915_gem_context_enable(dev_priv);
        if (ret && ret != -EIO) {
-                DRM_ERROR("Context enable failed %d\n", ret);
+                DRM_ERROR("PPGTT enable failed %d\n", ret);
                i915_gem_cleanup_ringbuffer(dev);
-                return ret;
        }
-        ret = i915_ppgtt_init_hw(dev);
+        ret = i915_gem_context_enable(dev_priv);
        if (ret && ret != -EIO) {
-                DRM_ERROR("PPGTT enable failed %d\n", ret);
+                DRM_ERROR("Context enable failed %d\n", ret);
                i915_gem_cleanup_ringbuffer(dev);
+                return ret;
        }
        return ret;
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 4d63839bd9b4..dfb783a8f2c3 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -962,7 +962,7 @@ void intel_panel_enable_backlight(struct intel_connector *connector)
        WARN_ON(panel->backlight.max == 0);
-        if (panel->backlight.level == 0) {
+        if (panel->backlight.level <= panel->backlight.min) {
                panel->backlight.level = panel->backlight.max;
                if (panel->backlight.device)
                        panel->backlight.device->props.brightness =
diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c
index a0133c74f4cf..42cd0cffe210 100644
--- a/drivers/gpu/drm/radeon/cik_sdma.c
+++ b/drivers/gpu/drm/radeon/cik_sdma.c
@@ -816,7 +816,6 @@ void cik_sdma_vm_write_pages(struct radeon_device *rdev,
                for (; ndw > 0; ndw -= 2, --count, pe += 8) {
                        if (flags & R600_PTE_SYSTEM) {
                                value = radeon_vm_map_gart(rdev, addr);
-                                value &= 0xFFFFFFFFFFFFF000ULL;
                        } else if (flags & R600_PTE_VALID) {
                                value = addr;
                        } else {
diff --git a/drivers/gpu/drm/radeon/ni_dma.c b/drivers/gpu/drm/radeon/ni_dma.c
index 4be2bb7cbef3..ce787a9f12c0 100644
--- a/drivers/gpu/drm/radeon/ni_dma.c
+++ b/drivers/gpu/drm/radeon/ni_dma.c
@@ -372,7 +372,6 @@ void cayman_dma_vm_write_pages(struct radeon_device *rdev,
                for (; ndw > 0; ndw -= 2, --count, pe += 8) {
                        if (flags & R600_PTE_SYSTEM) {
                                value = radeon_vm_map_gart(rdev, addr);
-                                value &= 0xFFFFFFFFFFFFF000ULL;
                        } else if (flags & R600_PTE_VALID) {
                                value = addr;
                        } else {
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 74f06d540591..279801ca5110 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -644,6 +644,7 @@ int r100_pci_gart_init(struct radeon_device *rdev)
                return r;
        rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
        rdev->asic->gart.tlb_flush = &r100_pci_gart_tlb_flush;
+        rdev->asic->gart.get_page_entry = &r100_pci_gart_get_page_entry;
        rdev->asic->gart.set_page = &r100_pci_gart_set_page;
        return radeon_gart_table_ram_alloc(rdev);
 }
@@ -681,11 +682,16 @@ void r100_pci_gart_disable(struct radeon_device *rdev)
        WREG32(RADEON_AIC_HI_ADDR, 0);
 }
+uint64_t r100_pci_gart_get_page_entry(uint64_t addr, uint32_t flags)
+{
+        return addr;
+}
 void r100_pci_gart_set_page(struct radeon_device *rdev, unsigned i,
-                            uint64_t addr, uint32_t flags)
+                            uint64_t entry)
 {
        u32 *gtt = rdev->gart.ptr;
-        gtt[i] = cpu_to_le32(lower_32_bits(addr));
+        gtt[i] = cpu_to_le32(lower_32_bits(entry));
 }
 void r100_pci_gart_fini(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 064ad5569cca..08d68f3e13e9 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -73,11 +73,8 @@ void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
 #define R300_PTE_WRITEABLE (1 << 2)
 #define R300_PTE_READABLE  (1 << 3)
-void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i,
+uint64_t rv370_pcie_gart_get_page_entry(uint64_t addr, uint32_t flags)
-                              uint64_t addr, uint32_t flags)
 {
-        void __iomem *ptr = rdev->gart.ptr;
        addr = (lower_32_bits(addr) >> 8) |
                ((upper_32_bits(addr) & 0xff) << 24);
        if (flags & RADEON_GART_PAGE_READ)
@@ -86,10 +83,18 @@ void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i,
                addr |= R300_PTE_WRITEABLE;
        if (!(flags & RADEON_GART_PAGE_SNOOP))
                addr |= R300_PTE_UNSNOOPED;
+        return addr;
+}
+void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i,
+                              uint64_t entry)
+{
+        void __iomem *ptr = rdev->gart.ptr;
        /* on x86 we want this to be CPU endian, on powerpc
         * on powerpc without HW swappers, it'll get swapped on way
         * into VRAM - so no need for cpu_to_le32 on VRAM tables */
-        writel(addr, ((void __iomem *)ptr) + (i * 4));
+        writel(entry, ((void __iomem *)ptr) + (i * 4));
 }
 int rv370_pcie_gart_init(struct radeon_device *rdev)
@@ -109,6 +114,7 @@ int rv370_pcie_gart_init(struct radeon_device *rdev)
                DRM_ERROR("Failed to register debugfs file for PCIE gart !\n");
        rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
        rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush;
+        rdev->asic->gart.get_page_entry = &rv370_pcie_gart_get_page_entry;
        rdev->asic->gart.set_page = &rv370_pcie_gart_set_page;
        return radeon_gart_table_vram_alloc(rdev);
 }
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 54529b837afa..3f2a8d3febca 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -242,6 +242,7 @@ bool radeon_get_bios(struct radeon_device *rdev);
 * Dummy page
 */
 struct radeon_dummy_page {
+        uint64_t        entry;
        struct page     *page;
        dma_addr_t      addr;
 };
@@ -645,7 +646,7 @@ struct radeon_gart {
        unsigned                        num_cpu_pages;
        unsigned                        table_size;
        struct page                     **pages;
-        dma_addr_t                      *pages_addr;
+        uint64_t                        *pages_entry;
        bool                            ready;
 };
@@ -1847,8 +1848,9 @@ struct radeon_asic {
        /* gart */
        struct {
                void (*tlb_flush)(struct radeon_device *rdev);
+                uint64_t (*get_page_entry)(uint64_t addr, uint32_t flags);
                void (*set_page)(struct radeon_device *rdev, unsigned i,
-                                 uint64_t addr, uint32_t flags);
+                                 uint64_t entry);
        } gart;
        struct {
                int (*init)(struct radeon_device *rdev);
@@ -2852,7 +2854,8 @@ static inline void radeon_ring_write(struct radeon_ring *ring, uint32_t v)
 #define radeon_vga_set_state(rdev, state) (rdev)->asic->vga_set_state((rdev), (state))
 #define radeon_asic_reset(rdev) (rdev)->asic->asic_reset((rdev))
 #define radeon_gart_tlb_flush(rdev) (rdev)->asic->gart.tlb_flush((rdev))
-#define radeon_gart_set_page(rdev, i, p, f) (rdev)->asic->gart.set_page((rdev), (i), (p), (f))
+#define radeon_gart_get_page_entry(a, f) (rdev)->asic->gart.get_page_entry((a), (f))
+#define radeon_gart_set_page(rdev, i, e) (rdev)->asic->gart.set_page((rdev), (i), (e))
 #define radeon_asic_vm_init(rdev) (rdev)->asic->vm.init((rdev))
 #define radeon_asic_vm_fini(rdev) (rdev)->asic->vm.fini((rdev))
 #define radeon_asic_vm_copy_pages(rdev, ib, pe, src, count) ((rdev)->asic->vm.copy_pages((rdev), (ib), (pe), (src), (count)))
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 121aff6a3b41..ed0e10eee2dc 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -159,11 +159,13 @@ void radeon_agp_disable(struct radeon_device *rdev)
                DRM_INFO("Forcing AGP to PCIE mode\n");
                rdev->flags |= RADEON_IS_PCIE;
                rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush;
+                rdev->asic->gart.get_page_entry = &rv370_pcie_gart_get_page_entry;
                rdev->asic->gart.set_page = &rv370_pcie_gart_set_page;
        } else {
                DRM_INFO("Forcing AGP to PCI mode\n");
                rdev->flags |= RADEON_IS_PCI;
                rdev->asic->gart.tlb_flush = &r100_pci_gart_tlb_flush;
+                rdev->asic->gart.get_page_entry = &r100_pci_gart_get_page_entry;
                rdev->asic->gart.set_page = &r100_pci_gart_set_page;
        }
        rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
@@ -199,6 +201,7 @@ static struct radeon_asic r100_asic = {
        .mc_wait_for_idle = &r100_mc_wait_for_idle,
        .gart = {
                .tlb_flush = &r100_pci_gart_tlb_flush,
+                .get_page_entry = &r100_pci_gart_get_page_entry,
                .set_page = &r100_pci_gart_set_page,
        },
        .ring = {
@@ -265,6 +268,7 @@ static struct radeon_asic r200_asic = {
        .mc_wait_for_idle = &r100_mc_wait_for_idle,
        .gart = {
                .tlb_flush = &r100_pci_gart_tlb_flush,
+                .get_page_entry = &r100_pci_gart_get_page_entry,
                .set_page = &r100_pci_gart_set_page,
        },
        .ring = {
@@ -359,6 +363,7 @@ static struct radeon_asic r300_asic = {
        .mc_wait_for_idle = &r300_mc_wait_for_idle,
        .gart = {
                .tlb_flush = &r100_pci_gart_tlb_flush,
+                .get_page_entry = &r100_pci_gart_get_page_entry,
                .set_page = &r100_pci_gart_set_page,
        },
        .ring = {
@@ -425,6 +430,7 @@ static struct radeon_asic r300_asic_pcie = {
        .mc_wait_for_idle = &r300_mc_wait_for_idle,
        .gart = {
                .tlb_flush = &rv370_pcie_gart_tlb_flush,
+                .get_page_entry = &rv370_pcie_gart_get_page_entry,
                .set_page = &rv370_pcie_gart_set_page,
        },
        .ring = {
@@ -491,6 +497,7 @@ static struct radeon_asic r420_asic = {
        .mc_wait_for_idle = &r300_mc_wait_for_idle,
        .gart = {
                .tlb_flush = &rv370_pcie_gart_tlb_flush,
+                .get_page_entry = &rv370_pcie_gart_get_page_entry,
                .set_page = &rv370_pcie_gart_set_page,
        },
        .ring = {
@@ -557,6 +564,7 @@ static struct radeon_asic rs400_asic = {
        .mc_wait_for_idle = &rs400_mc_wait_for_idle,
        .gart = {
                .tlb_flush = &rs400_gart_tlb_flush,
+                .get_page_entry = &rs400_gart_get_page_entry,
                .set_page = &rs400_gart_set_page,
        },
        .ring = {
@@ -623,6 +631,7 @@ static struct radeon_asic rs600_asic = {
        .mc_wait_for_idle = &rs600_mc_wait_for_idle,
        .gart = {
                .tlb_flush = &rs600_gart_tlb_flush,
+                .get_page_entry = &rs600_gart_get_page_entry,
                .set_page = &rs600_gart_set_page,
        },
        .ring = {
@@ -691,6 +700,7 @@ static struct radeon_asic rs690_asic = {
        .mc_wait_for_idle = &rs690_mc_wait_for_idle,
        .gart = {
                .tlb_flush = &rs400_gart_tlb_flush,
+                .get_page_entry = &rs400_gart_get_page_entry,
                .set_page = &rs400_gart_set_page,
        },
        .ring = {
@@ -759,6 +769,7 @@ static struct radeon_asic rv515_asic = {
        .mc_wait_for_idle = &rv515_mc_wait_for_idle,
        .gart = {
                .tlb_flush = &rv370_pcie_gart_tlb_flush,
+                .get_page_entry = &rv370_pcie_gart_get_page_entry,
                .set_page = &rv370_pcie_gart_set_page,
        },
        .ring = {
@@ -825,6 +836,7 @@ static struct radeon_asic r520_asic = {
        .mc_wait_for_idle = &r520_mc_wait_for_idle,
        .gart = {
                .tlb_flush = &rv370_pcie_gart_tlb_flush,
+                .get_page_entry = &rv370_pcie_gart_get_page_entry,
                .set_page = &rv370_pcie_gart_set_page,
        },
        .ring = {
@@ -919,6 +931,7 @@ static struct radeon_asic r600_asic = {
        .get_gpu_clock_counter = &r600_get_gpu_clock_counter,
        .gart = {
                .tlb_flush = &r600_pcie_gart_tlb_flush,
+                .get_page_entry = &rs600_gart_get_page_entry,
                .set_page = &rs600_gart_set_page,
        },
        .ring = {
@@ -1004,6 +1017,7 @@ static struct radeon_asic rv6xx_asic = {
        .get_gpu_clock_counter = &r600_get_gpu_clock_counter,
        .gart = {
                .tlb_flush = &r600_pcie_gart_tlb_flush,
+                .get_page_entry = &rs600_gart_get_page_entry,
                .set_page = &rs600_gart_set_page,
        },
        .ring = {
@@ -1095,6 +1109,7 @@ static struct radeon_asic rs780_asic = {
        .get_gpu_clock_counter = &r600_get_gpu_clock_counter,
        .gart = {
                .tlb_flush = &r600_pcie_gart_tlb_flush,
+                .get_page_entry = &rs600_gart_get_page_entry,
                .set_page = &rs600_gart_set_page,
        },
        .ring = {
@@ -1199,6 +1214,7 @@ static struct radeon_asic rv770_asic = {
        .get_gpu_clock_counter = &r600_get_gpu_clock_counter,
        .gart = {
                .tlb_flush = &r600_pcie_gart_tlb_flush,
+                .get_page_entry = &rs600_gart_get_page_entry,
                .set_page = &rs600_gart_set_page,
        },
        .ring = {
@@ -1317,6 +1333,7 @@ static struct radeon_asic evergreen_asic = {
        .get_gpu_clock_counter = &r600_get_gpu_clock_counter,
        .gart = {
                .tlb_flush = &evergreen_pcie_gart_tlb_flush,
+                .get_page_entry = &rs600_gart_get_page_entry,
                .set_page = &rs600_gart_set_page,
        },
        .ring = {
@@ -1409,6 +1426,7 @@ static struct radeon_asic sumo_asic = {
        .get_gpu_clock_counter = &r600_get_gpu_clock_counter,
        .gart = {
                .tlb_flush = &evergreen_pcie_gart_tlb_flush,
+                .get_page_entry = &rs600_gart_get_page_entry,
                .set_page = &rs600_gart_set_page,
        },
        .ring = {
@@ -1500,6 +1518,7 @@ static struct radeon_asic btc_asic = {
        .get_gpu_clock_counter = &r600_get_gpu_clock_counter,
        .gart = {
                .tlb_flush = &evergreen_pcie_gart_tlb_flush,
+                .get_page_entry = &rs600_gart_get_page_entry,
                .set_page = &rs600_gart_set_page,
        },
        .ring = {
@@ -1635,6 +1654,7 @@ static struct radeon_asic cayman_asic = {
        .get_gpu_clock_counter = &r600_get_gpu_clock_counter,
        .gart = {
                .tlb_flush = &cayman_pcie_gart_tlb_flush,
+                .get_page_entry = &rs600_gart_get_page_entry,
                .set_page = &rs600_gart_set_page,
        },
        .vm = {
@@ -1738,6 +1758,7 @@ static struct radeon_asic trinity_asic = {
        .get_gpu_clock_counter = &r600_get_gpu_clock_counter,
        .gart = {
                .tlb_flush = &cayman_pcie_gart_tlb_flush,
+                .get_page_entry = &rs600_gart_get_page_entry,
                .set_page = &rs600_gart_set_page,
        },
        .vm = {
@@ -1871,6 +1892,7 @@ static struct radeon_asic si_asic = {
        .get_gpu_clock_counter = &si_get_gpu_clock_counter,
        .gart = {
                .tlb_flush = &si_pcie_gart_tlb_flush,
+                .get_page_entry = &rs600_gart_get_page_entry,
                .set_page = &rs600_gart_set_page,
        },
        .vm = {
@@ -2032,6 +2054,7 @@ static struct radeon_asic ci_asic = {
        .get_gpu_clock_counter = &cik_get_gpu_clock_counter,
        .gart = {
                .tlb_flush = &cik_pcie_gart_tlb_flush,
+                .get_page_entry = &rs600_gart_get_page_entry,
                .set_page = &rs600_gart_set_page,
        },
        .vm = {
@@ -2139,6 +2162,7 @@ static struct radeon_asic kv_asic = {
        .get_gpu_clock_counter = &cik_get_gpu_clock_counter,
        .gart = {
                .tlb_flush = &cik_pcie_gart_tlb_flush,
+                .get_page_entry = &rs600_gart_get_page_entry,
                .set_page = &rs600_gart_set_page,
        },
        .vm = {
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 2a45d548d5ec..8d787d115653 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -67,8 +67,9 @@ bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *cp);
 int r100_asic_reset(struct radeon_device *rdev);
 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc);
 void r100_pci_gart_tlb_flush(struct radeon_device *rdev);
+uint64_t r100_pci_gart_get_page_entry(uint64_t addr, uint32_t flags);
 void r100_pci_gart_set_page(struct radeon_device *rdev, unsigned i,
-                            uint64_t addr, uint32_t flags);
+                            uint64_t entry);
 void r100_ring_start(struct radeon_device *rdev, struct radeon_ring *ring);
 int r100_irq_set(struct radeon_device *rdev);
 int r100_irq_process(struct radeon_device *rdev);
@@ -172,8 +173,9 @@ extern void r300_fence_ring_emit(struct radeon_device *rdev,
                                struct radeon_fence *fence);
 extern int r300_cs_parse(struct radeon_cs_parser *p);
 extern void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev);
+extern uint64_t rv370_pcie_gart_get_page_entry(uint64_t addr, uint32_t flags);
 extern void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i,
-                                     uint64_t addr, uint32_t flags);
+                                     uint64_t entry);
 extern void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes);
 extern int rv370_get_pcie_lanes(struct radeon_device *rdev);
 extern void r300_set_reg_safe(struct radeon_device *rdev);
@@ -208,8 +210,9 @@ extern void rs400_fini(struct radeon_device *rdev);
 extern int rs400_suspend(struct radeon_device *rdev);
 extern int rs400_resume(struct radeon_device *rdev);
 void rs400_gart_tlb_flush(struct radeon_device *rdev);
+uint64_t rs400_gart_get_page_entry(uint64_t addr, uint32_t flags);
 void rs400_gart_set_page(struct radeon_device *rdev, unsigned i,
-                         uint64_t addr, uint32_t flags);
+                         uint64_t entry);
 uint32_t rs400_mc_rreg(struct radeon_device *rdev, uint32_t reg);
 void rs400_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
 int rs400_gart_init(struct radeon_device *rdev);
@@ -232,8 +235,9 @@ int rs600_irq_process(struct radeon_device *rdev);
 void rs600_irq_disable(struct radeon_device *rdev);
 u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc);
 void rs600_gart_tlb_flush(struct radeon_device *rdev);
+uint64_t rs600_gart_get_page_entry(uint64_t addr, uint32_t flags);
 void rs600_gart_set_page(struct radeon_device *rdev, unsigned i,
-                         uint64_t addr, uint32_t flags);
+                         uint64_t entry);
 uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg);
 void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
 void rs600_bandwidth_update(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_benchmark.c b/drivers/gpu/drm/radeon/radeon_benchmark.c
index 9e7f23dd14bd..87d5fb21cb61 100644
--- a/drivers/gpu/drm/radeon/radeon_benchmark.c
+++ b/drivers/gpu/drm/radeon/radeon_benchmark.c
@@ -34,7 +34,8 @@
 static int radeon_benchmark_do_move(struct radeon_device *rdev, unsigned size,
                                    uint64_t saddr, uint64_t daddr,
-                                    int flag, int n)
+                                    int flag, int n,
+                                    struct reservation_object *resv)
 {
        unsigned long start_jiffies;
        unsigned long end_jiffies;
@@ -47,12 +48,12 @@ static int radeon_benchmark_do_move(struct radeon_device *rdev, unsigned size,
                case RADEON_BENCHMARK_COPY_DMA:
                        fence = radeon_copy_dma(rdev, saddr, daddr,
                                                size / RADEON_GPU_PAGE_SIZE,
-                                                NULL);
+                                                resv);
                        break;
                case RADEON_BENCHMARK_COPY_BLIT:
                        fence = radeon_copy_blit(rdev, saddr, daddr,
                                                 size / RADEON_GPU_PAGE_SIZE,
-                                                 NULL);
+                                                 resv);
                        break;
                default:
                        DRM_ERROR("Unknown copy method\n");
@@ -120,7 +121,8 @@ static void radeon_benchmark_move(struct radeon_device *rdev, unsigned size,
        if (rdev->asic->copy.dma) {
                time = radeon_benchmark_do_move(rdev, size, saddr, daddr,
-                                                RADEON_BENCHMARK_COPY_DMA, n);
+                                                RADEON_BENCHMARK_COPY_DMA, n,
+                                                dobj->tbo.resv);
                if (time < 0)
                        goto out_cleanup;
                if (time > 0)
@@ -130,7 +132,8 @@ static void radeon_benchmark_move(struct radeon_device *rdev, unsigned size,
        if (rdev->asic->copy.blit) {
                time = radeon_benchmark_do_move(rdev, size, saddr, daddr,
-                                                RADEON_BENCHMARK_COPY_BLIT, n);
+                                                RADEON_BENCHMARK_COPY_BLIT, n,
+                                                dobj->tbo.resv);
                if (time < 0)
                        goto out_cleanup;
                if (time > 0)
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 0ec65168f331..bd7519fdd3f4 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -774,6 +774,8 @@ int radeon_dummy_page_init(struct radeon_device *rdev)
                rdev->dummy_page.page = NULL;
                return -ENOMEM;
        }
+        rdev->dummy_page.entry = radeon_gart_get_page_entry(rdev->dummy_page.addr,
+                                                            RADEON_GART_PAGE_DUMMY);
        return 0;
 }
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 102116902a07..913fafa597ad 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -960,6 +960,9 @@ void radeon_compute_pll_avivo(struct radeon_pll *pll,
        if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV &&
            pll->flags & RADEON_PLL_USE_REF_DIV)
                ref_div_max = pll->reference_div;
+        else if (pll->flags & RADEON_PLL_PREFER_MINM_OVER_MAXP)
+                /* fix for problems on RS880 */
+                ref_div_max = min(pll->max_ref_div, 7u);
        else
                ref_div_max = pll->max_ref_div;
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
index 84146d5901aa..5450fa95a47e 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -165,6 +165,19 @@ int radeon_gart_table_vram_pin(struct radeon_device *rdev)
                radeon_bo_unpin(rdev->gart.robj);
        radeon_bo_unreserve(rdev->gart.robj);
        rdev->gart.table_addr = gpu_addr;
+        if (!r) {
+                int i;
+                /* We might have dropped some GART table updates while it wasn't
+                 * mapped, restore all entries
+                 */
+                for (i = 0; i < rdev->gart.num_gpu_pages; i++)
+                        radeon_gart_set_page(rdev, i, rdev->gart.pages_entry[i]);
+                mb();
+                radeon_gart_tlb_flush(rdev);
+        }
        return r;
 }
@@ -228,7 +241,6 @@ void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
        unsigned t;
        unsigned p;
        int i, j;
-        u64 page_base;
        if (!rdev->gart.ready) {
                WARN(1, "trying to unbind memory from uninitialized GART !\n");
@@ -239,14 +251,12 @@ void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
        for (i = 0; i < pages; i++, p++) {
                if (rdev->gart.pages[p]) {
                        rdev->gart.pages[p] = NULL;
-                        rdev->gart.pages_addr[p] = rdev->dummy_page.addr;
-                        page_base = rdev->gart.pages_addr[p];
                        for (j = 0; j < (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); j++, t++) {
+                                rdev->gart.pages_entry[t] = rdev->dummy_page.entry;
                                if (rdev->gart.ptr) {
-                                        radeon_gart_set_page(rdev, t, page_base,
+                                        radeon_gart_set_page(rdev, t,
-                                                             RADEON_GART_PAGE_DUMMY);
+                                                             rdev->dummy_page.entry);
                                }
-                                page_base += RADEON_GPU_PAGE_SIZE;
                        }
                }
        }
@@ -274,7 +284,7 @@ int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
 {
        unsigned t;
        unsigned p;
-        uint64_t page_base;
+        uint64_t page_base, page_entry;
        int i, j;
        if (!rdev->gart.ready) {
@@ -285,14 +295,15 @@ int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
        p = t / (PAGE_SIZE / RADEON_GPU_PAGE_SIZE);
        for (i = 0; i < pages; i++, p++) {
-                rdev->gart.pages_addr[p] = dma_addr[i];
                rdev->gart.pages[p] = pagelist[i];
-                if (rdev->gart.ptr) {
+                page_base = dma_addr[i];
-                        page_base = rdev->gart.pages_addr[p];
+                for (j = 0; j < (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); j++, t++) {
-                        for (j = 0; j < (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); j++, t++) {
+                        page_entry = radeon_gart_get_page_entry(page_base, flags);
-                                radeon_gart_set_page(rdev, t, page_base, flags);
+                        rdev->gart.pages_entry[t] = page_entry;
-                                page_base += RADEON_GPU_PAGE_SIZE;
+                        if (rdev->gart.ptr) {
+                                radeon_gart_set_page(rdev, t, page_entry);
                        }
+                        page_base += RADEON_GPU_PAGE_SIZE;
                }
        }
        mb();
@@ -334,16 +345,15 @@ int radeon_gart_init(struct radeon_device *rdev)
                radeon_gart_fini(rdev);
                return -ENOMEM;
        }
-        rdev->gart.pages_addr = vzalloc(sizeof(dma_addr_t) *
+        rdev->gart.pages_entry = vmalloc(sizeof(uint64_t) *
-                                        rdev->gart.num_cpu_pages);
+                                         rdev->gart.num_gpu_pages);
-        if (rdev->gart.pages_addr == NULL) {
+        if (rdev->gart.pages_entry == NULL) {
                radeon_gart_fini(rdev);
                return -ENOMEM;
        }
        /* set GART entry to point to the dummy page by default */
-        for (i = 0; i < rdev->gart.num_cpu_pages; i++) {
+        for (i = 0; i < rdev->gart.num_gpu_pages; i++)
-                rdev->gart.pages_addr[i] = rdev->dummy_page.addr;
+                rdev->gart.pages_entry[i] = rdev->dummy_page.entry;
-        }
        return 0;
 }
@@ -356,15 +366,15 @@ int radeon_gart_init(struct radeon_device *rdev)
 */
 void radeon_gart_fini(struct radeon_device *rdev)
 {
-        if (rdev->gart.pages && rdev->gart.pages_addr && rdev->gart.ready) {
+        if (rdev->gart.ready) {
                /* unbind pages */
                radeon_gart_unbind(rdev, 0, rdev->gart.num_cpu_pages);
        }
        rdev->gart.ready = false;
        vfree(rdev->gart.pages);
-        vfree(rdev->gart.pages_addr);
+        vfree(rdev->gart.pages_entry);
        rdev->gart.pages = NULL;
-        rdev->gart.pages_addr = NULL;
+        rdev->gart.pages_entry = NULL;
        radeon_dummy_page_fini(rdev);
 }
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index d0b4f7d1140d..ac3c1310b953 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -146,7 +146,8 @@ int radeon_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_pri
        struct radeon_bo_va *bo_va;
        int r;
-        if (rdev->family < CHIP_CAYMAN) {
+        if ((rdev->family < CHIP_CAYMAN) ||
+            (!rdev->accel_working)) {
                return 0;
        }
@@ -176,7 +177,8 @@ void radeon_gem_object_close(struct drm_gem_object *obj,
        struct radeon_bo_va *bo_va;
        int r;
-        if (rdev->family < CHIP_CAYMAN) {
+        if ((rdev->family < CHIP_CAYMAN) ||
+            (!rdev->accel_working)) {
                return;
        }
diff --git a/drivers/gpu/drm/radeon/radeon_kfd.c b/drivers/gpu/drm/radeon/radeon_kfd.c
index 8bf87f1203cc..bef9a0953284 100644
--- a/drivers/gpu/drm/radeon/radeon_kfd.c
+++ b/drivers/gpu/drm/radeon/radeon_kfd.c
@@ -436,7 +436,7 @@ static int kgd_init_memory(struct kgd_dev *kgd)
 static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id,
                                uint32_t hpd_size, uint64_t hpd_gpu_addr)
 {
-        uint32_t mec = (++pipe_id / CIK_PIPE_PER_MEC) + 1;
+        uint32_t mec = (pipe_id / CIK_PIPE_PER_MEC) + 1;
        uint32_t pipe = (pipe_id % CIK_PIPE_PER_MEC);
        lock_srbm(kgd, mec, pipe, 0, 0);
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 3cf9c1fa6475..686411e4e4f6 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -605,14 +605,14 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
                        return -ENOMEM;
                }
-                vm = &fpriv->vm;
-                r = radeon_vm_init(rdev, vm);
-                if (r) {
-                        kfree(fpriv);
-                        return r;
-                }
                if (rdev->accel_working) {
+                        vm = &fpriv->vm;
+                        r = radeon_vm_init(rdev, vm);
+                        if (r) {
+                                kfree(fpriv);
+                                return r;
+                        }
                        r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
                        if (r) {
                                radeon_vm_fini(rdev, vm);
@@ -668,9 +668,9 @@ void radeon_driver_postclose_kms(struct drm_device *dev,
                                        radeon_vm_bo_rmv(rdev, vm->ib_bo_va);
                                radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
                        }
+                        radeon_vm_fini(rdev, vm);
                }
-                radeon_vm_fini(rdev, vm);
                kfree(fpriv);
                file_priv->driver_priv = NULL;
        }
diff --git a/drivers/gpu/drm/radeon/radeon_test.c b/drivers/gpu/drm/radeon/radeon_test.c
index 07b506b41008..791818165c76 100644
--- a/drivers/gpu/drm/radeon/radeon_test.c
+++ b/drivers/gpu/drm/radeon/radeon_test.c
@@ -119,11 +119,11 @@ static void radeon_do_test_moves(struct radeon_device *rdev, int flag)
                if (ring == R600_RING_TYPE_DMA_INDEX)
                        fence = radeon_copy_dma(rdev, gtt_addr, vram_addr,
                                                size / RADEON_GPU_PAGE_SIZE,
-                                                NULL);
+                                                vram_obj->tbo.resv);
                else
                        fence = radeon_copy_blit(rdev, gtt_addr, vram_addr,
                                                 size / RADEON_GPU_PAGE_SIZE,
-                                                 NULL);
+                                                 vram_obj->tbo.resv);
                if (IS_ERR(fence)) {
                        DRM_ERROR("Failed GTT->VRAM copy %d\n", i);
                        r = PTR_ERR(fence);
@@ -170,11 +170,11 @@ static void radeon_do_test_moves(struct radeon_device *rdev, int flag)
                if (ring == R600_RING_TYPE_DMA_INDEX)
                        fence = radeon_copy_dma(rdev, vram_addr, gtt_addr,
                                                size / RADEON_GPU_PAGE_SIZE,
-                                                NULL);
+                                                vram_obj->tbo.resv);
                else
                        fence = radeon_copy_blit(rdev, vram_addr, gtt_addr,
                                                 size / RADEON_GPU_PAGE_SIZE,
-                                                 NULL);
+                                                 vram_obj->tbo.resv);
                if (IS_ERR(fence)) {
                        DRM_ERROR("Failed VRAM->GTT copy %d\n", i);
                        r = PTR_ERR(fence);
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
index cde48c42b30a..2a5a4a9e772d 100644
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -587,10 +587,8 @@ uint64_t radeon_vm_map_gart(struct radeon_device *rdev, uint64_t addr)
        uint64_t result;
        /* page table offset */
-        result = rdev->gart.pages_addr[addr >> PAGE_SHIFT];
+        result = rdev->gart.pages_entry[addr >> RADEON_GPU_PAGE_SHIFT];
+        result &= ~RADEON_GPU_PAGE_MASK;
-        /* in case cpu page size != gpu page size*/
-        result |= addr & (~PAGE_MASK);
        return result;
 }
@@ -745,9 +743,11 @@ static void radeon_vm_frag_ptes(struct radeon_device *rdev,
         */
        /* NI is optimized for 256KB fragments, SI and newer for 64KB */
-        uint64_t frag_flags = rdev->family == CHIP_CAYMAN ?
+        uint64_t frag_flags = ((rdev->family == CHIP_CAYMAN) ||
+                               (rdev->family == CHIP_ARUBA)) ?
                        R600_PTE_FRAG_256KB : R600_PTE_FRAG_64KB;
-        uint64_t frag_align = rdev->family == CHIP_CAYMAN ? 0x200 : 0x80;
+        uint64_t frag_align = ((rdev->family == CHIP_CAYMAN) ||
+                               (rdev->family == CHIP_ARUBA)) ? 0x200 : 0x80;
        uint64_t frag_start = ALIGN(pe_start, frag_align);
        uint64_t frag_end = pe_end & ~(frag_align - 1);
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index c5799f16aa4b..34e3235f41d2 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -212,11 +212,9 @@ void rs400_gart_fini(struct radeon_device *rdev)
 #define RS400_PTE_WRITEABLE (1 << 2)
 #define RS400_PTE_READABLE  (1 << 3)
-void rs400_gart_set_page(struct radeon_device *rdev, unsigned i,
+uint64_t rs400_gart_get_page_entry(uint64_t addr, uint32_t flags)
-                         uint64_t addr, uint32_t flags)
 {
        uint32_t entry;
-        u32 *gtt = rdev->gart.ptr;
        entry = (lower_32_bits(addr) & PAGE_MASK) |
                ((upper_32_bits(addr) & 0xff) << 4);
@@ -226,8 +224,14 @@ void rs400_gart_set_page(struct radeon_device *rdev, unsigned i,
                entry |= RS400_PTE_WRITEABLE;
        if (!(flags & RADEON_GART_PAGE_SNOOP))
                entry |= RS400_PTE_UNSNOOPED;
-        entry = cpu_to_le32(entry);
+        return entry;
-        gtt[i] = entry;
+}
+void rs400_gart_set_page(struct radeon_device *rdev, unsigned i,
+                         uint64_t entry)
+{
+        u32 *gtt = rdev->gart.ptr;
+        gtt[i] = cpu_to_le32(lower_32_bits(entry));
 }
 int rs400_mc_wait_for_idle(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 9acb1c3c005b..74bce91aecc1 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -625,11 +625,8 @@ static void rs600_gart_fini(struct radeon_device *rdev)
        radeon_gart_table_vram_free(rdev);
 }
-void rs600_gart_set_page(struct radeon_device *rdev, unsigned i,
+uint64_t rs600_gart_get_page_entry(uint64_t addr, uint32_t flags)
-                         uint64_t addr, uint32_t flags)
 {
-        void __iomem *ptr = (void *)rdev->gart.ptr;
        addr = addr & 0xFFFFFFFFFFFFF000ULL;
        addr |= R600_PTE_SYSTEM;
        if (flags & RADEON_GART_PAGE_VALID)
@@ -640,7 +637,14 @@ void rs600_gart_set_page(struct radeon_device *rdev, unsigned i,
                addr |= R600_PTE_WRITEABLE;
        if (flags & RADEON_GART_PAGE_SNOOP)
                addr |= R600_PTE_SNOOPED;
-        writeq(addr, ptr + (i * 8));
+        return addr;
+}
+void rs600_gart_set_page(struct radeon_device *rdev, unsigned i,
+                         uint64_t entry)
+{
+        void __iomem *ptr = (void *)rdev->gart.ptr;
+        writeq(entry, ptr + (i * 8));
 }
 int rs600_irq_set(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/si_dma.c b/drivers/gpu/drm/radeon/si_dma.c
index aa7b872b2c43..83207929fc62 100644
--- a/drivers/gpu/drm/radeon/si_dma.c
+++ b/drivers/gpu/drm/radeon/si_dma.c
@@ -123,7 +123,6 @@ void si_dma_vm_write_pages(struct radeon_device *rdev,
                for (; ndw > 0; ndw -= 2, --count, pe += 8) {
                        if (flags & R600_PTE_SYSTEM) {
                                value = radeon_vm_map_gart(rdev, addr);
-                                value &= 0xFFFFFFFFFFFFF000ULL;
                        } else if (flags & R600_PTE_VALID) {
                                value = addr;
                        } else {
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 7b5d22110f25..6c6b655defcf 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -406,11 +406,9 @@ int vmw_3d_resource_inc(struct vmw_private *dev_priv,
                if (unlikely(ret != 0))
                        --dev_priv->num_3d_resources;
        } else if (unhide_svga) {
-                mutex_lock(&dev_priv->hw_mutex);
                vmw_write(dev_priv, SVGA_REG_ENABLE,
                          vmw_read(dev_priv, SVGA_REG_ENABLE) &
                          ~SVGA_REG_ENABLE_HIDE);
-                mutex_unlock(&dev_priv->hw_mutex);
        }
        mutex_unlock(&dev_priv->release_mutex);
@@ -433,13 +431,10 @@ void vmw_3d_resource_dec(struct vmw_private *dev_priv,
        mutex_lock(&dev_priv->release_mutex);
        if (unlikely(--dev_priv->num_3d_resources == 0))
                vmw_release_device(dev_priv);
-        else if (hide_svga) {
+        else if (hide_svga)
-                mutex_lock(&dev_priv->hw_mutex);
                vmw_write(dev_priv, SVGA_REG_ENABLE,
                          vmw_read(dev_priv, SVGA_REG_ENABLE) |
                          SVGA_REG_ENABLE_HIDE);
-                mutex_unlock(&dev_priv->hw_mutex);
-        }
        n3d = (int32_t) dev_priv->num_3d_resources;
        mutex_unlock(&dev_priv->release_mutex);
@@ -600,12 +595,14 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
        dev_priv->dev = dev;
        dev_priv->vmw_chipset = chipset;
        dev_priv->last_read_seqno = (uint32_t) -100;
-        mutex_init(&dev_priv->hw_mutex);
        mutex_init(&dev_priv->cmdbuf_mutex);
        mutex_init(&dev_priv->release_mutex);
        mutex_init(&dev_priv->binding_mutex);
        rwlock_init(&dev_priv->resource_lock);
        ttm_lock_init(&dev_priv->reservation_sem);
+        spin_lock_init(&dev_priv->hw_lock);
+        spin_lock_init(&dev_priv->waiter_lock);
+        spin_lock_init(&dev_priv->cap_lock);
        for (i = vmw_res_context; i < vmw_res_max; ++i) {
                idr_init(&dev_priv->res_idr[i]);
@@ -626,14 +623,11 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
        dev_priv->enable_fb = enable_fbdev;
-        mutex_lock(&dev_priv->hw_mutex);
        vmw_write(dev_priv, SVGA_REG_ID, SVGA_ID_2);
        svga_id = vmw_read(dev_priv, SVGA_REG_ID);
        if (svga_id != SVGA_ID_2) {
                ret = -ENOSYS;
                DRM_ERROR("Unsupported SVGA ID 0x%x\n", svga_id);
-                mutex_unlock(&dev_priv->hw_mutex);
                goto out_err0;
        }
@@ -683,10 +677,8 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
                dev_priv->prim_bb_mem = dev_priv->vram_size;
        ret = vmw_dma_masks(dev_priv);
-        if (unlikely(ret != 0)) {
+        if (unlikely(ret != 0))
-                mutex_unlock(&dev_priv->hw_mutex);
                goto out_err0;
-        }
        /*
         * Limit back buffer size to VRAM size.  Remove this once
@@ -695,8 +687,6 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
        if (dev_priv->prim_bb_mem > dev_priv->vram_size)
                dev_priv->prim_bb_mem = dev_priv->vram_size;
-        mutex_unlock(&dev_priv->hw_mutex);
        vmw_print_capabilities(dev_priv->capabilities);
        if (dev_priv->capabilities & SVGA_CAP_GMR2) {
@@ -1160,9 +1150,7 @@ static int vmw_master_set(struct drm_device *dev,
                if (unlikely(ret != 0))
                        return ret;
                vmw_kms_save_vga(dev_priv);
-                mutex_lock(&dev_priv->hw_mutex);
                vmw_write(dev_priv, SVGA_REG_TRACES, 0);
-                mutex_unlock(&dev_priv->hw_mutex);
        }
        if (active) {
@@ -1196,9 +1184,7 @@ out_no_active_lock:
        if (!dev_priv->enable_fb) {
                vmw_kms_restore_vga(dev_priv);
                vmw_3d_resource_dec(dev_priv, true);
-                mutex_lock(&dev_priv->hw_mutex);
                vmw_write(dev_priv, SVGA_REG_TRACES, 1);
-                mutex_unlock(&dev_priv->hw_mutex);
        }
        return ret;
 }
@@ -1233,9 +1219,7 @@ static void vmw_master_drop(struct drm_device *dev,
                        DRM_ERROR("Unable to clean VRAM on master drop.\n");
                vmw_kms_restore_vga(dev_priv);
                vmw_3d_resource_dec(dev_priv, true);
-                mutex_lock(&dev_priv->hw_mutex);
                vmw_write(dev_priv, SVGA_REG_TRACES, 1);
-                mutex_unlock(&dev_priv->hw_mutex);
        }
        dev_priv->active_master = &dev_priv->fbdev_master;
@@ -1367,10 +1351,8 @@ static void vmw_pm_complete(struct device *kdev)
        struct drm_device *dev = pci_get_drvdata(pdev);
        struct vmw_private *dev_priv = vmw_priv(dev);
-        mutex_lock(&dev_priv->hw_mutex);
        vmw_write(dev_priv, SVGA_REG_ID, SVGA_ID_2);
        (void) vmw_read(dev_priv, SVGA_REG_ID);
-        mutex_unlock(&dev_priv->hw_mutex);
        /**
         * Reclaim 3d reference held by fbdev and potentially
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 4ee799b43d5d..d26a6daa9719 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -399,7 +399,8 @@ struct vmw_private {
        uint32_t memory_size;
        bool has_gmr;
        bool has_mob;
-        struct mutex hw_mutex;
+        spinlock_t hw_lock;
+        spinlock_t cap_lock;
        /*
         * VGA registers.
@@ -449,8 +450,9 @@ struct vmw_private {
        atomic_t marker_seq;
        wait_queue_head_t fence_queue;
        wait_queue_head_t fifo_queue;
-        int fence_queue_waiters; /* Protected by hw_mutex */
+        spinlock_t waiter_lock;
-        int goal_queue_waiters; /* Protected by hw_mutex */
+        int fence_queue_waiters; /* Protected by waiter_lock */
+        int goal_queue_waiters; /* Protected by waiter_lock */
        atomic_t fifo_queue_waiters;
        uint32_t last_read_seqno;
        spinlock_t irq_lock;
@@ -553,20 +555,35 @@ static inline struct vmw_master *vmw_master(struct drm_master *master)
        return (struct vmw_master *) master->driver_priv;
 }
+/*
+ * The locking here is fine-grained, so that it is performed once
+ * for every read- and write operation. This is of course costly, but we
+ * don't perform much register access in the timing critical paths anyway.
+ * Instead we have the extra benefit of being sure that we don't forget
+ * the hw lock around register accesses.
+ */
 static inline void vmw_write(struct vmw_private *dev_priv,
                             unsigned int offset, uint32_t value)
 {
+        unsigned long irq_flags;
+        spin_lock_irqsave(&dev_priv->hw_lock, irq_flags);
        outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
        outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
+        spin_unlock_irqrestore(&dev_priv->hw_lock, irq_flags);
 }
 static inline uint32_t vmw_read(struct vmw_private *dev_priv,
                                unsigned int offset)
 {
-        uint32_t val;
+        unsigned long irq_flags;
+        u32 val;
+        spin_lock_irqsave(&dev_priv->hw_lock, irq_flags);
        outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
        val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
+        spin_unlock_irqrestore(&dev_priv->hw_lock, irq_flags);
        return val;
 }
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
index b7594cb758af..945f1e0dad92 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
@@ -35,7 +35,7 @@ struct vmw_fence_manager {
        struct vmw_private *dev_priv;
        spinlock_t lock;
        struct list_head fence_list;
-        struct work_struct work, ping_work;
+        struct work_struct work;
        u32 user_fence_size;
        u32 fence_size;
        u32 event_fence_action_size;
@@ -134,14 +134,6 @@ static const char *vmw_fence_get_timeline_name(struct fence *f)
        return "svga";
 }
-static void vmw_fence_ping_func(struct work_struct *work)
-{
-        struct vmw_fence_manager *fman =
-                container_of(work, struct vmw_fence_manager, ping_work);
-        vmw_fifo_ping_host(fman->dev_priv, SVGA_SYNC_GENERIC);
-}
 static bool vmw_fence_enable_signaling(struct fence *f)
 {
        struct vmw_fence_obj *fence =
@@ -155,11 +147,7 @@ static bool vmw_fence_enable_signaling(struct fence *f)
        if (seqno - fence->base.seqno < VMW_FENCE_WRAP)
                return false;
-        if (mutex_trylock(&dev_priv->hw_mutex)) {
+        vmw_fifo_ping_host(dev_priv, SVGA_SYNC_GENERIC);
-                vmw_fifo_ping_host_locked(dev_priv, SVGA_SYNC_GENERIC);
-                mutex_unlock(&dev_priv->hw_mutex);
-        } else
-                schedule_work(&fman->ping_work);
        return true;
 }
@@ -305,7 +293,6 @@ struct vmw_fence_manager *vmw_fence_manager_init(struct vmw_private *dev_priv)
        INIT_LIST_HEAD(&fman->fence_list);
        INIT_LIST_HEAD(&fman->cleanup_list);
        INIT_WORK(&fman->work, &vmw_fence_work_func);
-        INIT_WORK(&fman->ping_work, &vmw_fence_ping_func);
        fman->fifo_down = true;
        fman->user_fence_size = ttm_round_pot(sizeof(struct vmw_user_fence));
        fman->fence_size = ttm_round_pot(sizeof(struct vmw_fence_obj));
@@ -323,7 +310,6 @@ void vmw_fence_manager_takedown(struct vmw_fence_manager *fman)
        bool lists_empty;
        (void) cancel_work_sync(&fman->work);
-        (void) cancel_work_sync(&fman->ping_work);
        spin_lock_irqsave(&fman->lock, irq_flags);
        lists_empty = list_empty(&fman->fence_list) &&
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
index 09e10aefcd8e..39f2b03888e7 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
@@ -44,10 +44,10 @@ bool vmw_fifo_have_3d(struct vmw_private *dev_priv)
                if (!dev_priv->has_mob)
                        return false;
-                mutex_lock(&dev_priv->hw_mutex);
+                spin_lock(&dev_priv->cap_lock);
                vmw_write(dev_priv, SVGA_REG_DEV_CAP, SVGA3D_DEVCAP_3D);
                result = vmw_read(dev_priv, SVGA_REG_DEV_CAP);
-                mutex_unlock(&dev_priv->hw_mutex);
+                spin_unlock(&dev_priv->cap_lock);
                return (result != 0);
        }
@@ -120,7 +120,6 @@ int vmw_fifo_init(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo)
        DRM_INFO("height %d\n", vmw_read(dev_priv, SVGA_REG_HEIGHT));
        DRM_INFO("bpp %d\n", vmw_read(dev_priv, SVGA_REG_BITS_PER_PIXEL));
-        mutex_lock(&dev_priv->hw_mutex);
        dev_priv->enable_state = vmw_read(dev_priv, SVGA_REG_ENABLE);
        dev_priv->config_done_state = vmw_read(dev_priv, SVGA_REG_CONFIG_DONE);
        dev_priv->traces_state = vmw_read(dev_priv, SVGA_REG_TRACES);
@@ -143,7 +142,6 @@ int vmw_fifo_init(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo)
        mb();
        vmw_write(dev_priv, SVGA_REG_CONFIG_DONE, 1);
-        mutex_unlock(&dev_priv->hw_mutex);
        max = ioread32(fifo_mem + SVGA_FIFO_MAX);
        min = ioread32(fifo_mem  + SVGA_FIFO_MIN);
@@ -160,31 +158,28 @@ int vmw_fifo_init(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo)
        return vmw_fifo_send_fence(dev_priv, &dummy);
 }
-void vmw_fifo_ping_host_locked(struct vmw_private *dev_priv, uint32_t reason)
+void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason)
 {
        __le32 __iomem *fifo_mem = dev_priv->mmio_virt;
+        static DEFINE_SPINLOCK(ping_lock);
+        unsigned long irq_flags;
+        /*
+         * The ping_lock is needed because we don't have an atomic
+         * test-and-set of the SVGA_FIFO_BUSY register.
+         */
+        spin_lock_irqsave(&ping_lock, irq_flags);
        if (unlikely(ioread32(fifo_mem + SVGA_FIFO_BUSY) == 0)) {
                iowrite32(1, fifo_mem + SVGA_FIFO_BUSY);
                vmw_write(dev_priv, SVGA_REG_SYNC, reason);
        }
-}
+        spin_unlock_irqrestore(&ping_lock, irq_flags);
-void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason)
-{
-        mutex_lock(&dev_priv->hw_mutex);
-        vmw_fifo_ping_host_locked(dev_priv, reason);
-        mutex_unlock(&dev_priv->hw_mutex);
 }
 void vmw_fifo_release(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo)
 {
        __le32 __iomem *fifo_mem = dev_priv->mmio_virt;
-        mutex_lock(&dev_priv->hw_mutex);
        vmw_write(dev_priv, SVGA_REG_SYNC, SVGA_SYNC_GENERIC);
        while (vmw_read(dev_priv, SVGA_REG_BUSY) != 0)
                ;
@@ -198,7 +193,6 @@ void vmw_fifo_release(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo)
        vmw_write(dev_priv, SVGA_REG_TRACES,
                  dev_priv->traces_state);
-        mutex_unlock(&dev_priv->hw_mutex);
        vmw_marker_queue_takedown(&fifo->marker_queue);
        if (likely(fifo->static_buffer != NULL)) {
@@ -271,7 +265,7 @@ static int vmw_fifo_wait(struct vmw_private *dev_priv,
                return vmw_fifo_wait_noirq(dev_priv, bytes,
                                           interruptible, timeout);
-        mutex_lock(&dev_priv->hw_mutex);
+        spin_lock(&dev_priv->waiter_lock);
        if (atomic_add_return(1, &dev_priv->fifo_queue_waiters) > 0) {
                spin_lock_irqsave(&dev_priv->irq_lock, irq_flags);
                outl(SVGA_IRQFLAG_FIFO_PROGRESS,
@@ -280,7 +274,7 @@ static int vmw_fifo_wait(struct vmw_private *dev_priv,
                vmw_write(dev_priv, SVGA_REG_IRQMASK, dev_priv->irq_mask);
                spin_unlock_irqrestore(&dev_priv->irq_lock, irq_flags);
        }
-        mutex_unlock(&dev_priv->hw_mutex);
+        spin_unlock(&dev_priv->waiter_lock);
        if (interruptible)
                ret = wait_event_interruptible_timeout
@@ -296,14 +290,14 @@ static int vmw_fifo_wait(struct vmw_private *dev_priv,
        else if (likely(ret > 0))
                ret = 0;
-        mutex_lock(&dev_priv->hw_mutex);
+        spin_lock(&dev_priv->waiter_lock);
        if (atomic_dec_and_test(&dev_priv->fifo_queue_waiters)) {
                spin_lock_irqsave(&dev_priv->irq_lock, irq_flags);
                dev_priv->irq_mask &= ~SVGA_IRQFLAG_FIFO_PROGRESS;
                vmw_write(dev_priv, SVGA_REG_IRQMASK, dev_priv->irq_mask);
                spin_unlock_irqrestore(&dev_priv->irq_lock, irq_flags);
        }
-        mutex_unlock(&dev_priv->hw_mutex);
+        spin_unlock(&dev_priv->waiter_lock);
        return ret;
 }
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
index 37881ecf5d7a..69c8ce23123c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
@@ -135,13 +135,13 @@ static int vmw_fill_compat_cap(struct vmw_private *dev_priv, void *bounce,
                (pair_offset + max_size * sizeof(SVGA3dCapPair)) / sizeof(u32);
        compat_cap->header.type = SVGA3DCAPS_RECORD_DEVCAPS;
-        mutex_lock(&dev_priv->hw_mutex);
+        spin_lock(&dev_priv->cap_lock);
        for (i = 0; i < max_size; ++i) {
                vmw_write(dev_priv, SVGA_REG_DEV_CAP, i);
                compat_cap->pairs[i][0] = i;
                compat_cap->pairs[i][1] = vmw_read(dev_priv, SVGA_REG_DEV_CAP);
        }
-        mutex_unlock(&dev_priv->hw_mutex);
+        spin_unlock(&dev_priv->cap_lock);
        return 0;
 }
@@ -191,12 +191,12 @@ int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
                if (num > SVGA3D_DEVCAP_MAX)
                        num = SVGA3D_DEVCAP_MAX;
-                mutex_lock(&dev_priv->hw_mutex);
+                spin_lock(&dev_priv->cap_lock);
                for (i = 0; i < num; ++i) {
                        vmw_write(dev_priv, SVGA_REG_DEV_CAP, i);
                        *bounce32++ = vmw_read(dev_priv, SVGA_REG_DEV_CAP);
                }
-                mutex_unlock(&dev_priv->hw_mutex);
+                spin_unlock(&dev_priv->cap_lock);
        } else if (gb_objects) {
                ret = vmw_fill_compat_cap(dev_priv, bounce, size);
                if (unlikely(ret != 0))
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
index 0c423766c441..9fe9827ee499 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
@@ -62,13 +62,8 @@ irqreturn_t vmw_irq_handler(int irq, void *arg)
 static bool vmw_fifo_idle(struct vmw_private *dev_priv, uint32_t seqno)
 {
-        uint32_t busy;
-        mutex_lock(&dev_priv->hw_mutex);
+        return (vmw_read(dev_priv, SVGA_REG_BUSY) == 0);
-        busy = vmw_read(dev_priv, SVGA_REG_BUSY);
-        mutex_unlock(&dev_priv->hw_mutex);
-        return (busy == 0);
 }
 void vmw_update_seqno(struct vmw_private *dev_priv,
@@ -184,7 +179,7 @@ int vmw_fallback_wait(struct vmw_private *dev_priv,
 void vmw_seqno_waiter_add(struct vmw_private *dev_priv)
 {
-        mutex_lock(&dev_priv->hw_mutex);
+        spin_lock(&dev_priv->waiter_lock);
        if (dev_priv->fence_queue_waiters++ == 0) {
                unsigned long irq_flags;
@@ -195,12 +190,12 @@ void vmw_seqno_waiter_add(struct vmw_private *dev_priv)
                vmw_write(dev_priv, SVGA_REG_IRQMASK, dev_priv->irq_mask);
                spin_unlock_irqrestore(&dev_priv->irq_lock, irq_flags);
        }
-        mutex_unlock(&dev_priv->hw_mutex);
+        spin_unlock(&dev_priv->waiter_lock);
 }
 void vmw_seqno_waiter_remove(struct vmw_private *dev_priv)
 {
-        mutex_lock(&dev_priv->hw_mutex);
+        spin_lock(&dev_priv->waiter_lock);
        if (--dev_priv->fence_queue_waiters == 0) {
                unsigned long irq_flags;
@@ -209,13 +204,13 @@ void vmw_seqno_waiter_remove(struct vmw_private *dev_priv)
                vmw_write(dev_priv, SVGA_REG_IRQMASK, dev_priv->irq_mask);
                spin_unlock_irqrestore(&dev_priv->irq_lock, irq_flags);
        }
-        mutex_unlock(&dev_priv->hw_mutex);
+        spin_unlock(&dev_priv->waiter_lock);
 }
 void vmw_goal_waiter_add(struct vmw_private *dev_priv)
 {
-        mutex_lock(&dev_priv->hw_mutex);
+        spin_lock(&dev_priv->waiter_lock);
        if (dev_priv->goal_queue_waiters++ == 0) {
                unsigned long irq_flags;
@@ -226,12 +221,12 @@ void vmw_goal_waiter_add(struct vmw_private *dev_priv)
                vmw_write(dev_priv, SVGA_REG_IRQMASK, dev_priv->irq_mask);
                spin_unlock_irqrestore(&dev_priv->irq_lock, irq_flags);
        }
-        mutex_unlock(&dev_priv->hw_mutex);
+        spin_unlock(&dev_priv->waiter_lock);
 }
 void vmw_goal_waiter_remove(struct vmw_private *dev_priv)
 {
-        mutex_lock(&dev_priv->hw_mutex);
+        spin_lock(&dev_priv->waiter_lock);
        if (--dev_priv->goal_queue_waiters == 0) {
                unsigned long irq_flags;
@@ -240,7 +235,7 @@ void vmw_goal_waiter_remove(struct vmw_private *dev_priv)
                vmw_write(dev_priv, SVGA_REG_IRQMASK, dev_priv->irq_mask);
                spin_unlock_irqrestore(&dev_priv->irq_lock, irq_flags);
        }
-        mutex_unlock(&dev_priv->hw_mutex);
+        spin_unlock(&dev_priv->waiter_lock);
 }
 int vmw_wait_seqno(struct vmw_private *dev_priv,
@@ -315,9 +310,7 @@ void vmw_irq_uninstall(struct drm_device *dev)
        if (!(dev_priv->capabilities & SVGA_CAP_IRQMASK))
                return;
-        mutex_lock(&dev_priv->hw_mutex);
        vmw_write(dev_priv, SVGA_REG_IRQMASK, 0);
-        mutex_unlock(&dev_priv->hw_mutex);
        status = inl(dev_priv->io_start + VMWGFX_IRQSTATUS_PORT);
        outl(status, dev_priv->io_start + VMWGFX_IRQSTATUS_PORT);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 3725b521d931..8725b79e7847 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1828,9 +1828,7 @@ vmw_du_connector_detect(struct drm_connector *connector, bool force)
        struct vmw_private *dev_priv = vmw_priv(dev);
        struct vmw_display_unit *du = vmw_connector_to_du(connector);
-        mutex_lock(&dev_priv->hw_mutex);
        num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS);
-        mutex_unlock(&dev_priv->hw_mutex);
        return ((vmw_connector_to_du(connector)->unit < num_displays &&
                 du->pref_active) ?
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 31e8308ba899..ab838d9e28b6 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -881,6 +881,7 @@ config I2C_XLR
 config I2C_RCAR
        tristate "Renesas R-Car I2C Controller"
        depends on ARCH_SHMOBILE || COMPILE_TEST
+        select I2C_SLAVE
        help
          If you say yes to this option, support will be included for the
          R-Car I2C controller.
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index bff20a589621..958c8db4ec30 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -785,14 +785,16 @@ static int s3c24xx_i2c_xfer(struct i2c_adapter *adap,
        int ret;
        pm_runtime_get_sync(&adap->dev);
-        clk_prepare_enable(i2c->clk);
+        ret = clk_enable(i2c->clk);
+        if (ret)
+                return ret;
        for (retry = 0; retry < adap->retries; retry++) {
                ret = s3c24xx_i2c_doxfer(i2c, msgs, num);
                if (ret != -EAGAIN) {
-                        clk_disable_unprepare(i2c->clk);
+                        clk_disable(i2c->clk);
                        pm_runtime_put(&adap->dev);
                        return ret;
                }
@@ -802,7 +804,7 @@ static int s3c24xx_i2c_xfer(struct i2c_adapter *adap,
                udelay(100);
        }
-        clk_disable_unprepare(i2c->clk);
+        clk_disable(i2c->clk);
        pm_runtime_put(&adap->dev);
        return -EREMOTEIO;
 }
@@ -1197,7 +1199,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
        clk_prepare_enable(i2c->clk);
        ret = s3c24xx_i2c_init(i2c);
-        clk_disable_unprepare(i2c->clk);
+        clk_disable(i2c->clk);
        if (ret != 0) {
                dev_err(&pdev->dev, "I2C controller init failed\n");
                return ret;
@@ -1210,6 +1212,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
                i2c->irq = ret = platform_get_irq(pdev, 0);
                if (ret <= 0) {
                        dev_err(&pdev->dev, "cannot find IRQ\n");
+                        clk_unprepare(i2c->clk);
                        return ret;
                }
@@ -1218,6 +1221,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
                if (ret != 0) {
                        dev_err(&pdev->dev, "cannot claim IRQ %d\n", i2c->irq);
+                        clk_unprepare(i2c->clk);
                        return ret;
                }
        }
@@ -1225,6 +1229,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
        ret = s3c24xx_i2c_register_cpufreq(i2c);
        if (ret < 0) {
                dev_err(&pdev->dev, "failed to register cpufreq notifier\n");
+                clk_unprepare(i2c->clk);
                return ret;
        }
@@ -1241,6 +1246,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
        if (ret < 0) {
                dev_err(&pdev->dev, "failed to add bus to i2c core\n");
                s3c24xx_i2c_deregister_cpufreq(i2c);
+                clk_unprepare(i2c->clk);
                return ret;
        }
@@ -1262,6 +1268,8 @@ static int s3c24xx_i2c_remove(struct platform_device *pdev)
 {
        struct s3c24xx_i2c *i2c = platform_get_drvdata(pdev);
+        clk_unprepare(i2c->clk);
        pm_runtime_disable(&i2c->adap.dev);
        pm_runtime_disable(&pdev->dev);
@@ -1293,13 +1301,16 @@ static int s3c24xx_i2c_resume_noirq(struct device *dev)
 {
        struct platform_device *pdev = to_platform_device(dev);
        struct s3c24xx_i2c *i2c = platform_get_drvdata(pdev);
+        int ret;
        if (!IS_ERR(i2c->sysreg))
                regmap_write(i2c->sysreg, EXYNOS5_SYS_I2C_CFG, i2c->sys_i2c_cfg);
-        clk_prepare_enable(i2c->clk);
+        ret = clk_enable(i2c->clk);
+        if (ret)
+                return ret;
        s3c24xx_i2c_init(i2c);
-        clk_disable_unprepare(i2c->clk);
+        clk_disable(i2c->clk);
        i2c->suspended = 0;
        return 0;
diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c
index 440d5dbc8b5f..007818b3e174 100644
--- a/drivers/i2c/busses/i2c-sh_mobile.c
+++ b/drivers/i2c/busses/i2c-sh_mobile.c
@@ -139,6 +139,7 @@ struct sh_mobile_i2c_data {
        int pos;
        int sr;
        bool send_stop;
+        bool stop_after_dma;
        struct resource *res;
        struct dma_chan *dma_tx;
@@ -407,7 +408,7 @@ static int sh_mobile_i2c_isr_tx(struct sh_mobile_i2c_data *pd)
        if (pd->pos == pd->msg->len) {
                /* Send stop if we haven't yet (DMA case) */
-                if (pd->send_stop && (iic_rd(pd, ICCR) & ICCR_BBSY))
+                if (pd->send_stop && pd->stop_after_dma)
                        i2c_op(pd, OP_TX_STOP, 0);
                return 1;
        }
@@ -449,6 +450,13 @@ static int sh_mobile_i2c_isr_rx(struct sh_mobile_i2c_data *pd)
                real_pos = pd->pos - 2;
                if (pd->pos == pd->msg->len) {
+                        if (pd->stop_after_dma) {
+                                /* Simulate PIO end condition after DMA transfer */
+                                i2c_op(pd, OP_RX_STOP, 0);
+                                pd->pos++;
+                                break;
+                        }
                        if (real_pos < 0) {
                                i2c_op(pd, OP_RX_STOP, 0);
                                break;
@@ -536,6 +544,7 @@ static void sh_mobile_i2c_dma_callback(void *data)
        sh_mobile_i2c_dma_unmap(pd);
        pd->pos = pd->msg->len;
+        pd->stop_after_dma = true;
        iic_set_clr(pd, ICIC, 0, ICIC_TDMAE | ICIC_RDMAE);
 }
@@ -726,6 +735,7 @@ static int sh_mobile_i2c_xfer(struct i2c_adapter *adapter,
                bool do_start = pd->send_stop || !i;
                msg = &msgs[i];
                pd->send_stop = i == num - 1 || msg->flags & I2C_M_STOP;
+                pd->stop_after_dma = false;
                err = start_ch(pd, msg, do_start);
                if (err)
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 39d25a8cb1ad..e9eae57a2b50 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -2972,6 +2972,7 @@ trace:
 }
 EXPORT_SYMBOL(i2c_smbus_xfer);
+#if IS_ENABLED(CONFIG_I2C_SLAVE)
 int i2c_slave_register(struct i2c_client *client, i2c_slave_cb_t slave_cb)
 {
        int ret;
@@ -3019,6 +3020,7 @@ int i2c_slave_unregister(struct i2c_client *client)
        return ret;
 }
 EXPORT_SYMBOL_GPL(i2c_slave_unregister);
+#endif
 MODULE_AUTHOR("Simon G. Vogl <simon@tk.uni-linz.ac.at>");
 MODULE_DESCRIPTION("I2C-Bus main module");
diff --git a/drivers/i2c/i2c-slave-eeprom.c b/drivers/i2c/i2c-slave-eeprom.c
index 6631400b5f02..cf9b09db092f 100644
--- a/drivers/i2c/i2c-slave-eeprom.c
+++ b/drivers/i2c/i2c-slave-eeprom.c
@@ -74,7 +74,7 @@ static ssize_t i2c_slave_eeprom_bin_read(struct file *filp, struct kobject *kobj
        struct eeprom_data *eeprom;
        unsigned long flags;
-        if (off + count >= attr->size)
+        if (off + count > attr->size)
                return -EFBIG;
        eeprom = dev_get_drvdata(container_of(kobj, struct device, kobj));
@@ -92,7 +92,7 @@ static ssize_t i2c_slave_eeprom_bin_write(struct file *filp, struct kobject *kob
        struct eeprom_data *eeprom;
        unsigned long flags;
-        if (off + count >= attr->size)
+        if (off + count > attr->size)
                return -EFBIG;
        eeprom = dev_get_drvdata(container_of(kobj, struct device, kobj));
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index e6c23b9eab33..5db1a8cc388d 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -123,7 +123,6 @@ static int (*uverbs_ex_cmd_table[])(struct ib_uverbs_file *file,
                                    struct ib_udata *uhw) = {
        [IB_USER_VERBS_EX_CMD_CREATE_FLOW]      = ib_uverbs_ex_create_flow,
        [IB_USER_VERBS_EX_CMD_DESTROY_FLOW]     = ib_uverbs_ex_destroy_flow,
-        [IB_USER_VERBS_EX_CMD_QUERY_DEVICE]     = ib_uverbs_ex_query_device
 };
 static void ib_uverbs_add_one(struct ib_device *device);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index 8ba80a6d3a46..d7562beb5423 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -98,15 +98,9 @@ enum {
        IPOIB_MCAST_FLAG_FOUND    = 0,  /* used in set_multicast_list */
        IPOIB_MCAST_FLAG_SENDONLY = 1,
-        /*
+        IPOIB_MCAST_FLAG_BUSY     = 2,  /* joining or already joined */
-         * For IPOIB_MCAST_FLAG_BUSY
-         * When set, in flight join and mcast->mc is unreliable
-         * When clear and mcast->mc IS_ERR_OR_NULL, need to restart or
-         *   haven't started yet
-         * When clear and mcast->mc is valid pointer, join was successful
-         */
-        IPOIB_MCAST_FLAG_BUSY     = 2,
        IPOIB_MCAST_FLAG_ATTACHED = 3,
+        IPOIB_MCAST_JOIN_STARTED  = 4,
        MAX_SEND_CQE              = 16,
        IPOIB_CM_COPYBREAK        = 256,
@@ -323,7 +317,6 @@ struct ipoib_dev_priv {
        struct list_head multicast_list;
        struct rb_root multicast_tree;
-        struct workqueue_struct *wq;
        struct delayed_work mcast_task;
        struct work_struct carrier_on_task;
        struct work_struct flush_light;
@@ -484,10 +477,10 @@ void ipoib_ib_dev_flush_heavy(struct work_struct *work);
 void ipoib_pkey_event(struct work_struct *work);
 void ipoib_ib_dev_cleanup(struct net_device *dev);
-int ipoib_ib_dev_open(struct net_device *dev);
+int ipoib_ib_dev_open(struct net_device *dev, int flush);
 int ipoib_ib_dev_up(struct net_device *dev);
-int ipoib_ib_dev_down(struct net_device *dev);
+int ipoib_ib_dev_down(struct net_device *dev, int flush);
-int ipoib_ib_dev_stop(struct net_device *dev);
+int ipoib_ib_dev_stop(struct net_device *dev, int flush);
 void ipoib_pkey_dev_check_presence(struct net_device *dev);
 int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port);
@@ -499,7 +492,7 @@ void ipoib_mcast_send(struct net_device *dev, u8 *daddr, struct sk_buff *skb);
 void ipoib_mcast_restart_task(struct work_struct *work);
 int ipoib_mcast_start_thread(struct net_device *dev);
-int ipoib_mcast_stop_thread(struct net_device *dev);
+int ipoib_mcast_stop_thread(struct net_device *dev, int flush);
 void ipoib_mcast_dev_down(struct net_device *dev);
 void ipoib_mcast_dev_flush(struct net_device *dev);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 56959adb6c7d..933efcea0d03 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -474,7 +474,7 @@ static int ipoib_cm_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *even
        }
        spin_lock_irq(&priv->lock);
-        queue_delayed_work(priv->wq,
+        queue_delayed_work(ipoib_workqueue,
                           &priv->cm.stale_task, IPOIB_CM_RX_DELAY);
        /* Add this entry to passive ids list head, but do not re-add it
         * if IB_EVENT_QP_LAST_WQE_REACHED has moved it to flush list. */
@@ -576,7 +576,7 @@ void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
                        spin_lock_irqsave(&priv->lock, flags);
                        list_splice_init(&priv->cm.rx_drain_list, &priv->cm.rx_reap_list);
                        ipoib_cm_start_rx_drain(priv);
-                        queue_work(priv->wq, &priv->cm.rx_reap_task);
+                        queue_work(ipoib_workqueue, &priv->cm.rx_reap_task);
                        spin_unlock_irqrestore(&priv->lock, flags);
                } else
                        ipoib_warn(priv, "cm recv completion event with wrid %d (> %d)\n",
@@ -603,7 +603,7 @@ void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
                                spin_lock_irqsave(&priv->lock, flags);
                                list_move(&p->list, &priv->cm.rx_reap_list);
                                spin_unlock_irqrestore(&priv->lock, flags);
-                                queue_work(priv->wq, &priv->cm.rx_reap_task);
+                                queue_work(ipoib_workqueue, &priv->cm.rx_reap_task);
                        }
                        return;
                }
@@ -827,7 +827,7 @@ void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc)
                if (test_and_clear_bit(IPOIB_FLAG_INITIALIZED, &tx->flags)) {
                        list_move(&tx->list, &priv->cm.reap_list);
-                        queue_work(priv->wq, &priv->cm.reap_task);
+                        queue_work(ipoib_workqueue, &priv->cm.reap_task);
                }
                clear_bit(IPOIB_FLAG_OPER_UP, &tx->flags);
@@ -1255,7 +1255,7 @@ static int ipoib_cm_tx_handler(struct ib_cm_id *cm_id,
                if (test_and_clear_bit(IPOIB_FLAG_INITIALIZED, &tx->flags)) {
                        list_move(&tx->list, &priv->cm.reap_list);
-                        queue_work(priv->wq, &priv->cm.reap_task);
+                        queue_work(ipoib_workqueue, &priv->cm.reap_task);
                }
                spin_unlock_irqrestore(&priv->lock, flags);
@@ -1284,7 +1284,7 @@ struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path
        tx->dev = dev;
        list_add(&tx->list, &priv->cm.start_list);
        set_bit(IPOIB_FLAG_INITIALIZED, &tx->flags);
-        queue_work(priv->wq, &priv->cm.start_task);
+        queue_work(ipoib_workqueue, &priv->cm.start_task);
        return tx;
 }
@@ -1295,7 +1295,7 @@ void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx)
        if (test_and_clear_bit(IPOIB_FLAG_INITIALIZED, &tx->flags)) {
                spin_lock_irqsave(&priv->lock, flags);
                list_move(&tx->list, &priv->cm.reap_list);
-                queue_work(priv->wq, &priv->cm.reap_task);
+                queue_work(ipoib_workqueue, &priv->cm.reap_task);
                ipoib_dbg(priv, "Reap connection for gid %pI6\n",
                          tx->neigh->daddr + 4);
                tx->neigh = NULL;
@@ -1417,7 +1417,7 @@ void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb,
        skb_queue_tail(&priv->cm.skb_queue, skb);
        if (e)
-                queue_work(priv->wq, &priv->cm.skb_task);
+                queue_work(ipoib_workqueue, &priv->cm.skb_task);
 }
 static void ipoib_cm_rx_reap(struct work_struct *work)
@@ -1450,7 +1450,7 @@ static void ipoib_cm_stale_task(struct work_struct *work)
        }
        if (!list_empty(&priv->cm.passive_ids))
-                queue_delayed_work(priv->wq,
+                queue_delayed_work(ipoib_workqueue,
                                   &priv->cm.stale_task, IPOIB_CM_RX_DELAY);
        spin_unlock_irq(&priv->lock);
 }
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index fe65abb5150c..72626c348174 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -655,7 +655,7 @@ void ipoib_reap_ah(struct work_struct *work)
        __ipoib_reap_ah(dev);
        if (!test_bit(IPOIB_STOP_REAPER, &priv->flags))
-                queue_delayed_work(priv->wq, &priv->ah_reap_task,
+                queue_delayed_work(ipoib_workqueue, &priv->ah_reap_task,
                                   round_jiffies_relative(HZ));
 }
@@ -664,7 +664,7 @@ static void ipoib_ib_tx_timer_func(unsigned long ctx)
        drain_tx_cq((struct net_device *)ctx);
 }
-int ipoib_ib_dev_open(struct net_device *dev)
+int ipoib_ib_dev_open(struct net_device *dev, int flush)
 {
        struct ipoib_dev_priv *priv = netdev_priv(dev);
        int ret;
@@ -696,7 +696,7 @@ int ipoib_ib_dev_open(struct net_device *dev)
        }
        clear_bit(IPOIB_STOP_REAPER, &priv->flags);
-        queue_delayed_work(priv->wq, &priv->ah_reap_task,
+        queue_delayed_work(ipoib_workqueue, &priv->ah_reap_task,
                           round_jiffies_relative(HZ));
        if (!test_and_set_bit(IPOIB_FLAG_INITIALIZED, &priv->flags))
@@ -706,7 +706,7 @@ int ipoib_ib_dev_open(struct net_device *dev)
 dev_stop:
        if (!test_and_set_bit(IPOIB_FLAG_INITIALIZED, &priv->flags))
                napi_enable(&priv->napi);
-        ipoib_ib_dev_stop(dev);
+        ipoib_ib_dev_stop(dev, flush);
        return -1;
 }
@@ -738,7 +738,7 @@ int ipoib_ib_dev_up(struct net_device *dev)
        return ipoib_mcast_start_thread(dev);
 }
-int ipoib_ib_dev_down(struct net_device *dev)
+int ipoib_ib_dev_down(struct net_device *dev, int flush)
 {
        struct ipoib_dev_priv *priv = netdev_priv(dev);
@@ -747,7 +747,7 @@ int ipoib_ib_dev_down(struct net_device *dev)
        clear_bit(IPOIB_FLAG_OPER_UP, &priv->flags);
        netif_carrier_off(dev);
-        ipoib_mcast_stop_thread(dev);
+        ipoib_mcast_stop_thread(dev, flush);
        ipoib_mcast_dev_flush(dev);
        ipoib_flush_paths(dev);
@@ -807,7 +807,7 @@ void ipoib_drain_cq(struct net_device *dev)
        local_bh_enable();
 }
-int ipoib_ib_dev_stop(struct net_device *dev)
+int ipoib_ib_dev_stop(struct net_device *dev, int flush)
 {
        struct ipoib_dev_priv *priv = netdev_priv(dev);
        struct ib_qp_attr qp_attr;
@@ -880,7 +880,8 @@ timeout:
        /* Wait for all AHs to be reaped */
        set_bit(IPOIB_STOP_REAPER, &priv->flags);
        cancel_delayed_work(&priv->ah_reap_task);
-        flush_workqueue(priv->wq);
+        if (flush)
+                flush_workqueue(ipoib_workqueue);
        begin = jiffies;
@@ -917,7 +918,7 @@ int ipoib_ib_dev_init(struct net_device *dev, struct ib_device *ca, int port)
                    (unsigned long) dev);
        if (dev->flags & IFF_UP) {
-                if (ipoib_ib_dev_open(dev)) {
+                if (ipoib_ib_dev_open(dev, 1)) {
                        ipoib_transport_dev_cleanup(dev);
                        return -ENODEV;
                }
@@ -1039,12 +1040,12 @@ static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv,
        }
        if (level >= IPOIB_FLUSH_NORMAL)
-                ipoib_ib_dev_down(dev);
+                ipoib_ib_dev_down(dev, 0);
        if (level == IPOIB_FLUSH_HEAVY) {
                if (test_bit(IPOIB_FLAG_INITIALIZED, &priv->flags))
-                        ipoib_ib_dev_stop(dev);
+                        ipoib_ib_dev_stop(dev, 0);
-                if (ipoib_ib_dev_open(dev) != 0)
+                if (ipoib_ib_dev_open(dev, 0) != 0)
                        return;
                if (netif_queue_stopped(dev))
                        netif_start_queue(dev);
@@ -1096,7 +1097,7 @@ void ipoib_ib_dev_cleanup(struct net_device *dev)
         */
        ipoib_flush_paths(dev);
-        ipoib_mcast_stop_thread(dev);
+        ipoib_mcast_stop_thread(dev, 1);
        ipoib_mcast_dev_flush(dev);
        ipoib_transport_dev_cleanup(dev);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 6bad17d4d588..58b5aa3b6f2d 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -108,7 +108,7 @@ int ipoib_open(struct net_device *dev)
        set_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags);
-        if (ipoib_ib_dev_open(dev)) {
+        if (ipoib_ib_dev_open(dev, 1)) {
                if (!test_bit(IPOIB_PKEY_ASSIGNED, &priv->flags))
                        return 0;
                goto err_disable;
@@ -139,7 +139,7 @@ int ipoib_open(struct net_device *dev)
        return 0;
 err_stop:
-        ipoib_ib_dev_stop(dev);
+        ipoib_ib_dev_stop(dev, 1);
 err_disable:
        clear_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags);
@@ -157,8 +157,8 @@ static int ipoib_stop(struct net_device *dev)
        netif_stop_queue(dev);
-        ipoib_ib_dev_down(dev);
+        ipoib_ib_dev_down(dev, 1);
-        ipoib_ib_dev_stop(dev);
+        ipoib_ib_dev_stop(dev, 0);
        if (!test_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags)) {
                struct ipoib_dev_priv *cpriv;
@@ -839,7 +839,7 @@ static void ipoib_set_mcast_list(struct net_device *dev)
                return;
        }
-        queue_work(priv->wq, &priv->restart_task);
+        queue_work(ipoib_workqueue, &priv->restart_task);
 }
 static u32 ipoib_addr_hash(struct ipoib_neigh_hash *htbl, u8 *daddr)
@@ -954,7 +954,7 @@ static void ipoib_reap_neigh(struct work_struct *work)
        __ipoib_reap_neigh(priv);
        if (!test_bit(IPOIB_STOP_NEIGH_GC, &priv->flags))
-                queue_delayed_work(priv->wq, &priv->neigh_reap_task,
+                queue_delayed_work(ipoib_workqueue, &priv->neigh_reap_task,
                                   arp_tbl.gc_interval);
 }
@@ -1133,7 +1133,7 @@ static int ipoib_neigh_hash_init(struct ipoib_dev_priv *priv)
        /* start garbage collection */
        clear_bit(IPOIB_STOP_NEIGH_GC, &priv->flags);
-        queue_delayed_work(priv->wq, &priv->neigh_reap_task,
+        queue_delayed_work(ipoib_workqueue, &priv->neigh_reap_task,
                           arp_tbl.gc_interval);
        return 0;
@@ -1262,13 +1262,15 @@ int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port)
 {
        struct ipoib_dev_priv *priv = netdev_priv(dev);
+        if (ipoib_neigh_hash_init(priv) < 0)
+                goto out;
        /* Allocate RX/TX "rings" to hold queued skbs */
        priv->rx_ring = kzalloc(ipoib_recvq_size * sizeof *priv->rx_ring,
                                GFP_KERNEL);
        if (!priv->rx_ring) {
                printk(KERN_WARNING "%s: failed to allocate RX ring (%d entries)\n",
                       ca->name, ipoib_recvq_size);
-                goto out;
+                goto out_neigh_hash_cleanup;
        }
        priv->tx_ring = vzalloc(ipoib_sendq_size * sizeof *priv->tx_ring);
@@ -1283,24 +1285,16 @@ int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port)
        if (ipoib_ib_dev_init(dev, ca, port))
                goto out_tx_ring_cleanup;
-        /*
-         * Must be after ipoib_ib_dev_init so we can allocate a per
-         * device wq there and use it here
-         */
-        if (ipoib_neigh_hash_init(priv) < 0)
-                goto out_dev_uninit;
        return 0;
-out_dev_uninit:
-        ipoib_ib_dev_cleanup(dev);
 out_tx_ring_cleanup:
        vfree(priv->tx_ring);
 out_rx_ring_cleanup:
        kfree(priv->rx_ring);
+out_neigh_hash_cleanup:
+        ipoib_neigh_hash_uninit(dev);
 out:
        return -ENOMEM;
 }
@@ -1323,12 +1317,6 @@ void ipoib_dev_cleanup(struct net_device *dev)
        }
        unregister_netdevice_many(&head);
-        /*
-         * Must be before ipoib_ib_dev_cleanup or we delete an in use
-         * work queue
-         */
-        ipoib_neigh_hash_uninit(dev);
        ipoib_ib_dev_cleanup(dev);
        kfree(priv->rx_ring);
@@ -1336,6 +1324,8 @@ void ipoib_dev_cleanup(struct net_device *dev)
        priv->rx_ring = NULL;
        priv->tx_ring = NULL;
+        ipoib_neigh_hash_uninit(dev);
 }
 static const struct header_ops ipoib_header_ops = {
@@ -1646,7 +1636,7 @@ register_failed:
        /* Stop GC if started before flush */
        set_bit(IPOIB_STOP_NEIGH_GC, &priv->flags);
        cancel_delayed_work(&priv->neigh_reap_task);
-        flush_workqueue(priv->wq);
+        flush_workqueue(ipoib_workqueue);
 event_failed:
        ipoib_dev_cleanup(priv->dev);
@@ -1717,7 +1707,7 @@ static void ipoib_remove_one(struct ib_device *device)
                /* Stop GC */
                set_bit(IPOIB_STOP_NEIGH_GC, &priv->flags);
                cancel_delayed_work(&priv->neigh_reap_task);
-                flush_workqueue(priv->wq);
+                flush_workqueue(ipoib_workqueue);
                unregister_netdev(priv->dev);
                free_netdev(priv->dev);
@@ -1758,13 +1748,8 @@ static int __init ipoib_init_module(void)
         * unregister_netdev() and linkwatch_event take the rtnl lock,
         * so flush_scheduled_work() can deadlock during device
         * removal.
-         *
-         * In addition, bringing one device up and another down at the
-         * same time can deadlock a single workqueue, so we have this
-         * global fallback workqueue, but we also attempt to open a
-         * per device workqueue each time we bring an interface up
         */
-        ipoib_workqueue = create_singlethread_workqueue("ipoib_flush");
+        ipoib_workqueue = create_singlethread_workqueue("ipoib");
        if (!ipoib_workqueue) {
                ret = -ENOMEM;
                goto err_fs;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index bc50dd0d0e4d..ffb83b5f7e80 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -190,6 +190,12 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
                spin_unlock_irq(&priv->lock);
                priv->tx_wr.wr.ud.remote_qkey = priv->qkey;
                set_qkey = 1;
+                if (!ipoib_cm_admin_enabled(dev)) {
+                        rtnl_lock();
+                        dev_set_mtu(dev, min(priv->mcast_mtu, priv->admin_mtu));
+                        rtnl_unlock();
+                }
        }
        if (!test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags)) {
@@ -271,27 +277,16 @@ ipoib_mcast_sendonly_join_complete(int status,
        struct ipoib_mcast *mcast = multicast->context;
        struct net_device *dev = mcast->dev;
-        /*
-         * We have to take the mutex to force mcast_sendonly_join to
-         * return from ib_sa_multicast_join and set mcast->mc to a
-         * valid value.  Otherwise we were racing with ourselves in
-         * that we might fail here, but get a valid return from
-         * ib_sa_multicast_join after we had cleared mcast->mc here,
-         * resulting in mis-matched joins and leaves and a deadlock
-         */
-        mutex_lock(&mcast_mutex);
        /* We trap for port events ourselves. */
        if (status == -ENETRESET)
-                goto out;
+                return 0;
        if (!status)
                status = ipoib_mcast_join_finish(mcast, &multicast->rec);
        if (status) {
                if (mcast->logcount++ < 20)
-                        ipoib_dbg_mcast(netdev_priv(dev), "sendonly multicast "
+                        ipoib_dbg_mcast(netdev_priv(dev), "multicast join failed for %pI6, status %d\n",
-                                        "join failed for %pI6, status %d\n",
                                        mcast->mcmember.mgid.raw, status);
                /* Flush out any queued packets */
@@ -301,15 +296,11 @@ ipoib_mcast_sendonly_join_complete(int status,
                        dev_kfree_skb_any(skb_dequeue(&mcast->pkt_queue));
                }
                netif_tx_unlock_bh(dev);
+                /* Clear the busy flag so we try again */
+                status = test_and_clear_bit(IPOIB_MCAST_FLAG_BUSY,
+                                            &mcast->flags);
        }
-out:
-        clear_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags);
-        if (status)
-                mcast->mc = NULL;
-        complete(&mcast->done);
-        if (status == -ENETRESET)
-                status = 0;
-        mutex_unlock(&mcast_mutex);
        return status;
 }
@@ -327,14 +318,12 @@ static int ipoib_mcast_sendonly_join(struct ipoib_mcast *mcast)
        int ret = 0;
        if (!test_bit(IPOIB_FLAG_OPER_UP, &priv->flags)) {
-                ipoib_dbg_mcast(priv, "device shutting down, no sendonly "
+                ipoib_dbg_mcast(priv, "device shutting down, no multicast joins\n");
-                                "multicast joins\n");
                return -ENODEV;
        }
-        if (test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags)) {
+        if (test_and_set_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags)) {
-                ipoib_dbg_mcast(priv, "multicast entry busy, skipping "
+                ipoib_dbg_mcast(priv, "multicast entry busy, skipping\n");
-                                "sendonly join\n");
                return -EBUSY;
        }
@@ -342,9 +331,6 @@ static int ipoib_mcast_sendonly_join(struct ipoib_mcast *mcast)
        rec.port_gid = priv->local_gid;
        rec.pkey     = cpu_to_be16(priv->pkey);
-        mutex_lock(&mcast_mutex);
-        init_completion(&mcast->done);
-        set_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags);
        mcast->mc = ib_sa_join_multicast(&ipoib_sa_client, priv->ca,
                                         priv->port, &rec,
                                         IB_SA_MCMEMBER_REC_MGID        |
@@ -357,14 +343,12 @@ static int ipoib_mcast_sendonly_join(struct ipoib_mcast *mcast)
        if (IS_ERR(mcast->mc)) {
                ret = PTR_ERR(mcast->mc);
                clear_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags);
-                complete(&mcast->done);
+                ipoib_warn(priv, "ib_sa_join_multicast failed (ret = %d)\n",
-                ipoib_warn(priv, "ib_sa_join_multicast for sendonly join "
+                           ret);
-                           "failed (ret = %d)\n", ret);
        } else {
-                ipoib_dbg_mcast(priv, "no multicast record for %pI6, starting "
+                ipoib_dbg_mcast(priv, "no multicast record for %pI6, starting join\n",
-                                "sendonly join\n", mcast->mcmember.mgid.raw);
+                                mcast->mcmember.mgid.raw);
        }
-        mutex_unlock(&mcast_mutex);
        return ret;
 }
@@ -375,29 +359,18 @@ void ipoib_mcast_carrier_on_task(struct work_struct *work)
                                                   carrier_on_task);
        struct ib_port_attr attr;
+        /*
+         * Take rtnl_lock to avoid racing with ipoib_stop() and
+         * turning the carrier back on while a device is being
+         * removed.
+         */
        if (ib_query_port(priv->ca, priv->port, &attr) ||
            attr.state != IB_PORT_ACTIVE) {
                ipoib_dbg(priv, "Keeping carrier off until IB port is active\n");
                return;
        }
-        /*
+        rtnl_lock();
-         * Take rtnl_lock to avoid racing with ipoib_stop() and
-         * turning the carrier back on while a device is being
-         * removed.  However, ipoib_stop() will attempt to flush
-         * the workqueue while holding the rtnl lock, so loop
-         * on trylock until either we get the lock or we see
-         * FLAG_ADMIN_UP go away as that signals that we are bailing
-         * and can safely ignore the carrier on work.
-         */
-        while (!rtnl_trylock()) {
-                if (!test_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags))
-                        return;
-                else
-                        msleep(20);
-        }
-        if (!ipoib_cm_admin_enabled(priv->dev))
-                dev_set_mtu(priv->dev, min(priv->mcast_mtu, priv->admin_mtu));
        netif_carrier_on(priv->dev);
        rtnl_unlock();
 }
@@ -412,63 +385,60 @@ static int ipoib_mcast_join_complete(int status,
        ipoib_dbg_mcast(priv, "join completion for %pI6 (status %d)\n",
                        mcast->mcmember.mgid.raw, status);
-        /*
-         * We have to take the mutex to force mcast_join to
-         * return from ib_sa_multicast_join and set mcast->mc to a
-         * valid value.  Otherwise we were racing with ourselves in
-         * that we might fail here, but get a valid return from
-         * ib_sa_multicast_join after we had cleared mcast->mc here,
-         * resulting in mis-matched joins and leaves and a deadlock
-         */
-        mutex_lock(&mcast_mutex);
        /* We trap for port events ourselves. */
-        if (status == -ENETRESET)
+        if (status == -ENETRESET) {
+                status = 0;
                goto out;
+        }
        if (!status)
                status = ipoib_mcast_join_finish(mcast, &multicast->rec);
        if (!status) {
                mcast->backoff = 1;
+                mutex_lock(&mcast_mutex);
                if (test_bit(IPOIB_MCAST_RUN, &priv->flags))
-                        queue_delayed_work(priv->wq, &priv->mcast_task, 0);
+                        queue_delayed_work(ipoib_workqueue,
+                                           &priv->mcast_task, 0);
+                mutex_unlock(&mcast_mutex);
                /*
-                 * Defer carrier on work to priv->wq to avoid a
+                 * Defer carrier on work to ipoib_workqueue to avoid a
                 * deadlock on rtnl_lock here.
                 */
                if (mcast == priv->broadcast)
-                        queue_work(priv->wq, &priv->carrier_on_task);
+                        queue_work(ipoib_workqueue, &priv->carrier_on_task);
-        } else {
-                if (mcast->logcount++ < 20) {
-                        if (status == -ETIMEDOUT || status == -EAGAIN) {
-                                ipoib_dbg_mcast(priv, "multicast join failed for %pI6, status %d\n",
-                                                mcast->mcmember.mgid.raw, status);
-                        } else {
-                                ipoib_warn(priv, "multicast join failed for %pI6, status %d\n",
-                                           mcast->mcmember.mgid.raw, status);
-                        }
-                }
-                mcast->backoff *= 2;
+                status = 0;
-                if (mcast->backoff > IPOIB_MAX_BACKOFF_SECONDS)
+                goto out;
-                        mcast->backoff = IPOIB_MAX_BACKOFF_SECONDS;
        }
-out:
+        if (mcast->logcount++ < 20) {
+                if (status == -ETIMEDOUT || status == -EAGAIN) {
+                        ipoib_dbg_mcast(priv, "multicast join failed for %pI6, status %d\n",
+                                        mcast->mcmember.mgid.raw, status);
+                } else {
+                        ipoib_warn(priv, "multicast join failed for %pI6, status %d\n",
+                                   mcast->mcmember.mgid.raw, status);
+                }
+        }
+        mcast->backoff *= 2;
+        if (mcast->backoff > IPOIB_MAX_BACKOFF_SECONDS)
+                mcast->backoff = IPOIB_MAX_BACKOFF_SECONDS;
+        /* Clear the busy flag so we try again */
+        status = test_and_clear_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags);
+        mutex_lock(&mcast_mutex);
        spin_lock_irq(&priv->lock);
-        clear_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags);
+        if (test_bit(IPOIB_MCAST_RUN, &priv->flags))
-        if (status)
+                queue_delayed_work(ipoib_workqueue, &priv->mcast_task,
-                mcast->mc = NULL;
-        complete(&mcast->done);
-        if (status == -ENETRESET)
-                status = 0;
-        if (status && test_bit(IPOIB_MCAST_RUN, &priv->flags))
-                queue_delayed_work(priv->wq, &priv->mcast_task,
                                   mcast->backoff * HZ);
        spin_unlock_irq(&priv->lock);
        mutex_unlock(&mcast_mutex);
+out:
+        complete(&mcast->done);
        return status;
 }
@@ -517,9 +487,10 @@ static void ipoib_mcast_join(struct net_device *dev, struct ipoib_mcast *mcast,
                rec.hop_limit     = priv->broadcast->mcmember.hop_limit;
        }
-        mutex_lock(&mcast_mutex);
-        init_completion(&mcast->done);
        set_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags);
+        init_completion(&mcast->done);
+        set_bit(IPOIB_MCAST_JOIN_STARTED, &mcast->flags);
        mcast->mc = ib_sa_join_multicast(&ipoib_sa_client, priv->ca, priv->port,
                                         &rec, comp_mask, GFP_KERNEL,
                                         ipoib_mcast_join_complete, mcast);
@@ -533,11 +504,13 @@ static void ipoib_mcast_join(struct net_device *dev, struct ipoib_mcast *mcast,
                if (mcast->backoff > IPOIB_MAX_BACKOFF_SECONDS)
                        mcast->backoff = IPOIB_MAX_BACKOFF_SECONDS;
+                mutex_lock(&mcast_mutex);
                if (test_bit(IPOIB_MCAST_RUN, &priv->flags))
-                        queue_delayed_work(priv->wq, &priv->mcast_task,
+                        queue_delayed_work(ipoib_workqueue,
+                                           &priv->mcast_task,
                                           mcast->backoff * HZ);
+                mutex_unlock(&mcast_mutex);
        }
-        mutex_unlock(&mcast_mutex);
 }
 void ipoib_mcast_join_task(struct work_struct *work)
@@ -574,8 +547,8 @@ void ipoib_mcast_join_task(struct work_struct *work)
                        ipoib_warn(priv, "failed to allocate broadcast group\n");
                        mutex_lock(&mcast_mutex);
                        if (test_bit(IPOIB_MCAST_RUN, &priv->flags))
-                                queue_delayed_work(priv->wq, &priv->mcast_task,
+                                queue_delayed_work(ipoib_workqueue,
-                                                   HZ);
+                                                   &priv->mcast_task, HZ);
                        mutex_unlock(&mcast_mutex);
                        return;
                }
@@ -590,8 +563,7 @@ void ipoib_mcast_join_task(struct work_struct *work)
        }
        if (!test_bit(IPOIB_MCAST_FLAG_ATTACHED, &priv->broadcast->flags)) {
-                if (IS_ERR_OR_NULL(priv->broadcast->mc) &&
+                if (!test_bit(IPOIB_MCAST_FLAG_BUSY, &priv->broadcast->flags))
-                    !test_bit(IPOIB_MCAST_FLAG_BUSY, &priv->broadcast->flags))
                        ipoib_mcast_join(dev, priv->broadcast, 0);
                return;
        }
@@ -599,33 +571,23 @@ void ipoib_mcast_join_task(struct work_struct *work)
        while (1) {
                struct ipoib_mcast *mcast = NULL;
-                /*
-                 * Need the mutex so our flags are consistent, need the
-                 * priv->lock so we don't race with list removals in either
-                 * mcast_dev_flush or mcast_restart_task
-                 */
-                mutex_lock(&mcast_mutex);
                spin_lock_irq(&priv->lock);
                list_for_each_entry(mcast, &priv->multicast_list, list) {
-                        if (IS_ERR_OR_NULL(mcast->mc) &&
+                        if (!test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags)
-                            !test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags) &&
+                            && !test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags)
-                            !test_bit(IPOIB_MCAST_FLAG_ATTACHED, &mcast->flags)) {
+                            && !test_bit(IPOIB_MCAST_FLAG_ATTACHED, &mcast->flags)) {
                                /* Found the next unjoined group */
                                break;
                        }
                }
                spin_unlock_irq(&priv->lock);
-                mutex_unlock(&mcast_mutex);
                if (&mcast->list == &priv->multicast_list) {
                        /* All done */
                        break;
                }
-                if (test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags))
+                ipoib_mcast_join(dev, mcast, 1);
-                        ipoib_mcast_sendonly_join(mcast);
-                else
-                        ipoib_mcast_join(dev, mcast, 1);
                return;
        }
@@ -642,13 +604,13 @@ int ipoib_mcast_start_thread(struct net_device *dev)
        mutex_lock(&mcast_mutex);
        if (!test_and_set_bit(IPOIB_MCAST_RUN, &priv->flags))
-                queue_delayed_work(priv->wq, &priv->mcast_task, 0);
+                queue_delayed_work(ipoib_workqueue, &priv->mcast_task, 0);
        mutex_unlock(&mcast_mutex);
        return 0;
 }
-int ipoib_mcast_stop_thread(struct net_device *dev)
+int ipoib_mcast_stop_thread(struct net_device *dev, int flush)
 {
        struct ipoib_dev_priv *priv = netdev_priv(dev);
@@ -659,7 +621,8 @@ int ipoib_mcast_stop_thread(struct net_device *dev)
        cancel_delayed_work(&priv->mcast_task);
        mutex_unlock(&mcast_mutex);
-        flush_workqueue(priv->wq);
+        if (flush)
+                flush_workqueue(ipoib_workqueue);
        return 0;
 }
@@ -670,9 +633,6 @@ static int ipoib_mcast_leave(struct net_device *dev, struct ipoib_mcast *mcast)
        int ret = 0;
        if (test_and_clear_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags))
-                ipoib_warn(priv, "ipoib_mcast_leave on an in-flight join\n");
-        if (!IS_ERR_OR_NULL(mcast->mc))
                ib_sa_free_multicast(mcast->mc);
        if (test_and_clear_bit(IPOIB_MCAST_FLAG_ATTACHED, &mcast->flags)) {
@@ -725,8 +685,6 @@ void ipoib_mcast_send(struct net_device *dev, u8 *daddr, struct sk_buff *skb)
                memcpy(mcast->mcmember.mgid.raw, mgid, sizeof (union ib_gid));
                __ipoib_mcast_add(dev, mcast);
                list_add_tail(&mcast->list, &priv->multicast_list);
-                if (!test_and_set_bit(IPOIB_MCAST_RUN, &priv->flags))
-                        queue_delayed_work(priv->wq, &priv->mcast_task, 0);
        }
        if (!mcast->ah) {
@@ -740,6 +698,8 @@ void ipoib_mcast_send(struct net_device *dev, u8 *daddr, struct sk_buff *skb)
                if (test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags))
                        ipoib_dbg_mcast(priv, "no address vector, "
                                        "but multicast join already started\n");
+                else if (test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags))
+                        ipoib_mcast_sendonly_join(mcast);
                /*
                 * If lookup completes between here and out:, don't
@@ -799,12 +759,9 @@ void ipoib_mcast_dev_flush(struct net_device *dev)
        spin_unlock_irqrestore(&priv->lock, flags);
-        /*
+        /* seperate between the wait to the leave*/
-         * make sure the in-flight joins have finished before we attempt
-         * to leave
-         */
        list_for_each_entry_safe(mcast, tmcast, &remove_list, list)
-                if (test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags))
+                if (test_bit(IPOIB_MCAST_JOIN_STARTED, &mcast->flags))
                        wait_for_completion(&mcast->done);
        list_for_each_entry_safe(mcast, tmcast, &remove_list, list) {
@@ -837,6 +794,8 @@ void ipoib_mcast_restart_task(struct work_struct *work)
        ipoib_dbg_mcast(priv, "restarting multicast task\n");
+        ipoib_mcast_stop_thread(dev, 0);
        local_irq_save(flags);
        netif_addr_lock(dev);
        spin_lock(&priv->lock);
@@ -921,38 +880,14 @@ void ipoib_mcast_restart_task(struct work_struct *work)
        netif_addr_unlock(dev);
        local_irq_restore(flags);
-        /*
+        /* We have to cancel outside of the spinlock */
-         * make sure the in-flight joins have finished before we attempt
-         * to leave
-         */
-        list_for_each_entry_safe(mcast, tmcast, &remove_list, list)
-                if (test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags))
-                        wait_for_completion(&mcast->done);
-        /*
-         * We have to cancel outside of the spinlock, but we have to
-         * take the rtnl lock or else we race with the removal of
-         * entries from the remove list in mcast_dev_flush as part
-         * of ipoib_stop().  We detect the drop of the ADMIN_UP flag
-         * to signal that we have hit this particular race, and we
-         * return since we know we don't need to do anything else
-         * anyway.
-         */
-        while (!rtnl_trylock()) {
-                if (!test_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags))
-                        return;
-                else
-                        msleep(20);
-        }
        list_for_each_entry_safe(mcast, tmcast, &remove_list, list) {
                ipoib_mcast_leave(mcast->dev, mcast);
                ipoib_mcast_free(mcast);
        }
-        /*
-         * Restart our join task if needed
+        if (test_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags))
-         */
+                ipoib_mcast_start_thread(dev);
-        ipoib_mcast_start_thread(dev);
-        rtnl_unlock();
 }
 #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
index b72a753eb41d..c56d5d44c53b 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
@@ -145,20 +145,10 @@ int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca)
        int ret, size;
        int i;
-        /*
-         * the various IPoIB tasks assume they will never race against
-         * themselves, so always use a single thread workqueue
-         */
-        priv->wq = create_singlethread_workqueue("ipoib_wq");
-        if (!priv->wq) {
-                printk(KERN_WARNING "ipoib: failed to allocate device WQ\n");
-                return -ENODEV;
-        }
        priv->pd = ib_alloc_pd(priv->ca);
        if (IS_ERR(priv->pd)) {
                printk(KERN_WARNING "%s: failed to allocate PD\n", ca->name);
-                goto out_free_wq;
+                return -ENODEV;
        }
        priv->mr = ib_get_dma_mr(priv->pd, IB_ACCESS_LOCAL_WRITE);
@@ -252,10 +242,6 @@ out_free_mr:
 out_free_pd:
        ib_dealloc_pd(priv->pd);
-out_free_wq:
-        destroy_workqueue(priv->wq);
-        priv->wq = NULL;
        return -ENODEV;
 }
@@ -284,12 +270,6 @@ void ipoib_transport_dev_cleanup(struct net_device *dev)
        if (ib_dealloc_pd(priv->pd))
                ipoib_warn(priv, "ib_dealloc_pd failed\n");
-        if (priv->wq) {
-                flush_workqueue(priv->wq);
-                destroy_workqueue(priv->wq);
-                priv->wq = NULL;
-        }
 }
 void ipoib_event(struct ib_event_handler *handler,
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 77ecf6d32237..6e22682c8255 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1097,6 +1097,8 @@ static int elantech_get_resolution_v4(struct psmouse *psmouse,
 * Asus UX31               0x361f00        20, 15, 0e      clickpad
 * Asus UX32VD             0x361f02        00, 15, 0e      clickpad
 * Avatar AVIU-145A2       0x361f00        ?               clickpad
+ * Fujitsu LIFEBOOK E544   0x470f00        d0, 12, 09      2 hw buttons
+ * Fujitsu LIFEBOOK E554   0x570f01        40, 14, 0c      2 hw buttons
 * Fujitsu H730            0x570f00        c0, 14, 0c      3 hw buttons (**)
 * Gigabyte U2442          0x450f01        58, 17, 0c      2 hw buttons
 * Lenovo L430             0x350f02        b9, 15, 0c      2 hw buttons (*)
@@ -1475,6 +1477,20 @@ static const struct dmi_system_id elantech_dmi_force_crc_enabled[] = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "CELSIUS H730"),
                },
        },
+        {
+                /* Fujitsu LIFEBOOK E554  does not work with crc_enabled == 0 */
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E554"),
+                },
+        },
+        {
+                /* Fujitsu LIFEBOOK E544  does not work with crc_enabled == 0 */
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E544"),
+                },
+        },
 #endif
        { }
 };
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index f9472920d986..23e26e0768b5 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -135,8 +135,9 @@ static const struct min_max_quirk min_max_pnpid_table[] = {
                1232, 5710, 1156, 4696
        },
        {
-                (const char * const []){"LEN0034", "LEN0036", "LEN0039",
+                (const char * const []){"LEN0034", "LEN0036", "LEN0037",
-                                        "LEN2002", "LEN2004", NULL},
+                                        "LEN0039", "LEN2002", "LEN2004",
+                                        NULL},
                1024, 5112, 2024, 4832
        },
        {
@@ -165,7 +166,7 @@ static const char * const topbuttonpad_pnp_ids[] = {
        "LEN0034", /* T431s, L440, L540, T540, W540, X1 Carbon 2nd */
        "LEN0035", /* X240 */
        "LEN0036", /* T440 */
-        "LEN0037",
+        "LEN0037", /* X1 Carbon 2nd */
        "LEN0038",
        "LEN0039", /* T440s */
        "LEN0041",
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 764857b4e268..c11556563ef0 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -152,6 +152,14 @@ static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = {
                },
        },
        {
+                /* Medion Akoya E7225 */
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Akoya E7225"),
+                        DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
+                },
+        },
+        {
                /* Blue FB5601 */
                .matches = {
                        DMI_MATCH(DMI_SYS_VENDOR, "blue"),
diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c
index f722a0c466cf..c48da057dbb1 100644
--- a/drivers/iommu/tegra-gart.c
+++ b/drivers/iommu/tegra-gart.c
@@ -315,6 +315,7 @@ static const struct iommu_ops gart_iommu_ops = {
        .attach_dev     = gart_iommu_attach_dev,
        .detach_dev     = gart_iommu_detach_dev,
        .map            = gart_iommu_map,
+        .map_sg         = default_iommu_map_sg,
        .unmap          = gart_iommu_unmap,
        .iova_to_phys   = gart_iommu_iova_to_phys,
        .pgsize_bitmap  = GART_IOMMU_PGSIZES,
@@ -395,7 +396,7 @@ static int tegra_gart_probe(struct platform_device *pdev)
        do_gart_setup(gart, NULL);
        gart_handle = gart;
-        bus_set_iommu(&platform_bus_type, &gart_iommu_ops);
        return 0;
 }
diff --git a/drivers/isdn/hardware/eicon/message.c b/drivers/isdn/hardware/eicon/message.c
index 0b380603a578..d7c286656a25 100644
--- a/drivers/isdn/hardware/eicon/message.c
+++ b/drivers/isdn/hardware/eicon/message.c
@@ -1474,7 +1474,7 @@ static byte connect_res(dword Id, word Number, DIVA_CAPI_ADAPTER *a,
                                        add_ai(plci, &parms[5]);
                                        sig_req(plci, REJECT, 0);
                                }
-                                else if (Reject == 1 || Reject > 9)
+                                else if (Reject == 1 || Reject >= 9)
                                {
                                        add_ai(plci, &parms[5]);
                                        sig_req(plci, HANGUP, 0);
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index da3604e73e8a..1695ee5f3ffc 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -72,6 +72,19 @@ __acquires(bitmap->lock)
        /* this page has not been allocated yet */
        spin_unlock_irq(&bitmap->lock);
+        /* It is possible that this is being called inside a
+         * prepare_to_wait/finish_wait loop from raid5c:make_request().
+         * In general it is not permitted to sleep in that context as it
+         * can cause the loop to spin freely.
+         * That doesn't apply here as we can only reach this point
+         * once with any loop.
+         * When this function completes, either bp[page].map or
+         * bp[page].hijacked.  In either case, this function will
+         * abort before getting to this point again.  So there is
+         * no risk of a free-spin, and so it is safe to assert
+         * that sleeping here is allowed.
+         */
+        sched_annotate_sleep();
        mappage = kzalloc(PAGE_SIZE, GFP_NOIO);
        spin_lock_irq(&bitmap->lock);
diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c
index 21b156242e42..c1c010498a21 100644
--- a/drivers/md/dm-cache-metadata.c
+++ b/drivers/md/dm-cache-metadata.c
@@ -683,7 +683,7 @@ static struct dm_cache_metadata *metadata_open(struct block_device *bdev,
        cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
        if (!cmd) {
                DMERR("could not allocate metadata struct");
-                return NULL;
+                return ERR_PTR(-ENOMEM);
        }
        atomic_set(&cmd->ref_count, 1);
@@ -745,7 +745,7 @@ static struct dm_cache_metadata *lookup_or_open(struct block_device *bdev,
                return cmd;
        cmd = metadata_open(bdev, data_block_size, may_format_device, policy_hint_size);
-        if (cmd) {
+        if (!IS_ERR(cmd)) {
                mutex_lock(&table_lock);
                cmd2 = lookup(bdev);
                if (cmd2) {
@@ -780,9 +780,10 @@ struct dm_cache_metadata *dm_cache_metadata_open(struct block_device *bdev,
 {
        struct dm_cache_metadata *cmd = lookup_or_open(bdev, data_block_size,
                                                       may_format_device, policy_hint_size);
-        if (cmd && !same_params(cmd, data_block_size)) {
+        if (!IS_ERR(cmd) && !same_params(cmd, data_block_size)) {
                dm_cache_metadata_close(cmd);
-                return NULL;
+                return ERR_PTR(-EINVAL);
        }
        return cmd;
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 493478989dbd..07705ee181e3 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -3385,6 +3385,12 @@ static int pool_message(struct dm_target *ti, unsigned argc, char **argv)
        struct pool_c *pt = ti->private;
        struct pool *pool = pt->pool;
+        if (get_pool_mode(pool) >= PM_READ_ONLY) {
+                DMERR("%s: unable to service pool target messages in READ_ONLY or FAIL mode",
+                      dm_device_name(pool->pool_md));
+                return -EINVAL;
+        }
        if (!strcasecmp(argv[0], "create_thin"))
                r = process_create_thin_mesg(argc, argv, pool);
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index c1b0d52bfcb0..b98765f6f77f 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3195,6 +3195,11 @@ static void handle_stripe_dirtying(struct r5conf *conf,
                                          (unsigned long long)sh->sector,
                                          rcw, qread, test_bit(STRIPE_DELAYED, &sh->state));
        }
+        if (rcw > disks && rmw > disks &&
+            !test_bit(STRIPE_PREREAD_ACTIVE, &sh->state))
+                set_bit(STRIPE_DELAYED, &sh->state);
        /* now if nothing is locked, and if we have enough data,
         * we can start a write request
         */
diff --git a/drivers/net/caif/caif_hsi.c b/drivers/net/caif/caif_hsi.c
index 5e40a8b68cbe..b3b922adc0e4 100644
--- a/drivers/net/caif/caif_hsi.c
+++ b/drivers/net/caif/caif_hsi.c
@@ -1415,7 +1415,6 @@ static int caif_hsi_newlink(struct net *src_net, struct net_device *dev,
        cfhsi = netdev_priv(dev);
        cfhsi_netlink_parms(data, cfhsi);
-        dev_net_set(cfhsi->ndev, src_net);
        get_ops = symbol_get(cfhsi_get_ops);
        if (!get_ops) {
diff --git a/drivers/net/ethernet/amd/Kconfig b/drivers/net/ethernet/amd/Kconfig
index 5d3b5202327c..c638c85f3954 100644
--- a/drivers/net/ethernet/amd/Kconfig
+++ b/drivers/net/ethernet/amd/Kconfig
@@ -45,7 +45,7 @@ config AMD8111_ETH
 config LANCE
        tristate "AMD LANCE and PCnet (AT1500 and NE2100) support"
-        depends on ISA && ISA_DMA_API
+        depends on ISA && ISA_DMA_API && !ARM
        ---help---
          If you have a network (Ethernet) card of this type, say Y and read
          the Ethernet-HOWTO, available from
@@ -142,7 +142,7 @@ config PCMCIA_NMCLAN
 config NI65
        tristate "NI6510 support"
-        depends on ISA && ISA_DMA_API
+        depends on ISA && ISA_DMA_API && !ARM
        ---help---
          If you have a network (Ethernet) card of this type, say Y and read
          the Ethernet-HOWTO, available from
diff --git a/drivers/net/ethernet/amd/nmclan_cs.c b/drivers/net/ethernet/amd/nmclan_cs.c
index 5b22764ba88d..27245efe9f50 100644
--- a/drivers/net/ethernet/amd/nmclan_cs.c
+++ b/drivers/net/ethernet/amd/nmclan_cs.c
@@ -952,6 +952,8 @@ static irqreturn_t mace_interrupt(int irq, void *dev_id)
  do {
    /* WARNING: MACE_IR is a READ/CLEAR port! */
    status = inb(ioaddr + AM2150_MACE_BASE + MACE_IR);
+    if (!(status & ~MACE_IMR_DEFAULT) && IntrCnt == MACE_MAX_IR_ITERATIONS)
+      return IRQ_NONE;
    pr_debug("mace_interrupt: irq 0x%X status 0x%X.\n", irq, status);
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
index c036a0e61bba..d41f9f468688 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
@@ -522,6 +522,7 @@ void xgbe_get_all_hw_features(struct xgbe_prv_data *pdata)
        hw_feat->sph           = XGMAC_GET_BITS(mac_hfr1, MAC_HWF1R, SPHEN);
        hw_feat->tso           = XGMAC_GET_BITS(mac_hfr1, MAC_HWF1R, TSOEN);
        hw_feat->dma_debug     = XGMAC_GET_BITS(mac_hfr1, MAC_HWF1R, DBGMEMA);
+        hw_feat->rss           = XGMAC_GET_BITS(mac_hfr1, MAC_HWF1R, RSSEN);
        hw_feat->tc_cnt        = XGMAC_GET_BITS(mac_hfr1, MAC_HWF1R, NUMTC);
        hw_feat->hash_table_size = XGMAC_GET_BITS(mac_hfr1, MAC_HWF1R,
                                                  HASHTBLSZ);
@@ -551,13 +552,14 @@ void xgbe_get_all_hw_features(struct xgbe_prv_data *pdata)
                break;
        }
-        /* The Queue and Channel counts are zero based so increment them
+        /* The Queue, Channel and TC counts are zero based so increment them
         * to get the actual number
         */
        hw_feat->rx_q_cnt++;
        hw_feat->tx_q_cnt++;
        hw_feat->rx_ch_cnt++;
        hw_feat->tx_ch_cnt++;
+        hw_feat->tc_cnt++;
        DBGPR("<--xgbe_get_all_hw_features\n");
 }
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index 02add385a33d..44b15373d6b3 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -373,6 +373,8 @@ static int xgene_enet_process_ring(struct xgene_enet_desc_ring *ring,
                if (unlikely(xgene_enet_is_desc_slot_empty(raw_desc)))
                        break;
+                /* read fpqnum field after dataaddr field */
+                dma_rmb();
                if (is_rx_desc(raw_desc))
                        ret = xgene_enet_rx_frame(ring, raw_desc);
                else
diff --git a/drivers/net/ethernet/cirrus/Kconfig b/drivers/net/ethernet/cirrus/Kconfig
index 7403dff8f14a..905ac5f5d9a6 100644
--- a/drivers/net/ethernet/cirrus/Kconfig
+++ b/drivers/net/ethernet/cirrus/Kconfig
@@ -32,7 +32,8 @@ config CS89x0
          will be called cs89x0.
 config CS89x0_PLATFORM
-        bool "CS89x0 platform driver support"
+        bool "CS89x0 platform driver support" if HAS_IOPORT_MAP
+        default !HAS_IOPORT_MAP
        depends on CS89x0
        help
          Say Y to compile the cs89x0 driver as a platform driver. This
diff --git a/drivers/net/ethernet/freescale/gianfar_ethtool.c b/drivers/net/ethernet/freescale/gianfar_ethtool.c
index 3e1a9c1a67a9..fda12fb32ec7 100644
--- a/drivers/net/ethernet/freescale/gianfar_ethtool.c
+++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c
@@ -1586,7 +1586,7 @@ static int gfar_write_filer_table(struct gfar_private *priv,
                return -EBUSY;
        /* Fill regular entries */
-        for (; i < MAX_FILER_IDX - 1 && (tab->fe[i].ctrl | tab->fe[i].ctrl);
+        for (; i < MAX_FILER_IDX - 1 && (tab->fe[i].ctrl | tab->fe[i].prop);
             i++)
                gfar_write_filer(priv, i, tab->fe[i].ctrl, tab->fe[i].prop);
        /* Fill the rest with fall-troughs */
diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c
index ad2b4897b392..ebf9d4a42fdd 100644
--- a/drivers/net/ethernet/intel/igbvf/netdev.c
+++ b/drivers/net/ethernet/intel/igbvf/netdev.c
@@ -1907,7 +1907,8 @@ static void igbvf_watchdog_task(struct work_struct *work)
 static int igbvf_tso(struct igbvf_adapter *adapter,
                     struct igbvf_ring *tx_ring,
-                     struct sk_buff *skb, u32 tx_flags, u8 *hdr_len)
+                     struct sk_buff *skb, u32 tx_flags, u8 *hdr_len,
+                     __be16 protocol)
 {
        struct e1000_adv_tx_context_desc *context_desc;
        struct igbvf_buffer *buffer_info;
@@ -1927,7 +1928,7 @@ static int igbvf_tso(struct igbvf_adapter *adapter,
        l4len = tcp_hdrlen(skb);
        *hdr_len += l4len;
-        if (skb->protocol == htons(ETH_P_IP)) {
+        if (protocol == htons(ETH_P_IP)) {
                struct iphdr *iph = ip_hdr(skb);
                iph->tot_len = 0;
                iph->check = 0;
@@ -1958,7 +1959,7 @@ static int igbvf_tso(struct igbvf_adapter *adapter,
        /* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */
        tu_cmd |= (E1000_TXD_CMD_DEXT | E1000_ADVTXD_DTYP_CTXT);
-        if (skb->protocol == htons(ETH_P_IP))
+        if (protocol == htons(ETH_P_IP))
                tu_cmd |= E1000_ADVTXD_TUCMD_IPV4;
        tu_cmd |= E1000_ADVTXD_TUCMD_L4T_TCP;
@@ -1984,7 +1985,8 @@ static int igbvf_tso(struct igbvf_adapter *adapter,
 static inline bool igbvf_tx_csum(struct igbvf_adapter *adapter,
                                 struct igbvf_ring *tx_ring,
-                                 struct sk_buff *skb, u32 tx_flags)
+                                 struct sk_buff *skb, u32 tx_flags,
+                                 __be16 protocol)
 {
        struct e1000_adv_tx_context_desc *context_desc;
        unsigned int i;
@@ -2011,7 +2013,7 @@ static inline bool igbvf_tx_csum(struct igbvf_adapter *adapter,
                tu_cmd |= (E1000_TXD_CMD_DEXT | E1000_ADVTXD_DTYP_CTXT);
                if (skb->ip_summed == CHECKSUM_PARTIAL) {
-                        switch (skb->protocol) {
+                        switch (protocol) {
                        case htons(ETH_P_IP):
                                tu_cmd |= E1000_ADVTXD_TUCMD_IPV4;
                                if (ip_hdr(skb)->protocol == IPPROTO_TCP)
@@ -2211,6 +2213,7 @@ static netdev_tx_t igbvf_xmit_frame_ring_adv(struct sk_buff *skb,
        u8 hdr_len = 0;
        int count = 0;
        int tso = 0;
+        __be16 protocol = vlan_get_protocol(skb);
        if (test_bit(__IGBVF_DOWN, &adapter->state)) {
                dev_kfree_skb_any(skb);
@@ -2240,13 +2243,13 @@ static netdev_tx_t igbvf_xmit_frame_ring_adv(struct sk_buff *skb,
                             IGBVF_TX_FLAGS_VLAN_SHIFT);
        }
-        if (skb->protocol == htons(ETH_P_IP))
+        if (protocol == htons(ETH_P_IP))
                tx_flags |= IGBVF_TX_FLAGS_IPV4;
        first = tx_ring->next_to_use;
        tso = skb_is_gso(skb) ?
-                igbvf_tso(adapter, tx_ring, skb, tx_flags, &hdr_len) : 0;
+                igbvf_tso(adapter, tx_ring, skb, tx_flags, &hdr_len, protocol) : 0;
        if (unlikely(tso < 0)) {
                dev_kfree_skb_any(skb);
                return NETDEV_TX_OK;
@@ -2254,7 +2257,7 @@ static netdev_tx_t igbvf_xmit_frame_ring_adv(struct sk_buff *skb,
        if (tso)
                tx_flags |= IGBVF_TX_FLAGS_TSO;
-        else if (igbvf_tx_csum(adapter, tx_ring, skb, tx_flags) &&
+        else if (igbvf_tx_csum(adapter, tx_ring, skb, tx_flags, protocol) &&
                 (skb->ip_summed == CHECKSUM_PARTIAL))
                tx_flags |= IGBVF_TX_FLAGS_CSUM;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index e4086fea4be2..e9e3a1eb9a97 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -7227,11 +7227,11 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
                if (!vhdr)
                        goto out_drop;
-                protocol = vhdr->h_vlan_encapsulated_proto;
                tx_flags |= ntohs(vhdr->h_vlan_TCI) <<
                                  IXGBE_TX_FLAGS_VLAN_SHIFT;
                tx_flags |= IXGBE_TX_FLAGS_SW_VLAN;
        }
+        protocol = vlan_get_protocol(skb);
        if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) &&
            adapter->ptp_clock &&
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index c9b49bfb51bb..fe2e10f40df8 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -3099,7 +3099,7 @@ static int ixgbevf_tso(struct ixgbevf_ring *tx_ring,
        /* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */
        type_tucmd = IXGBE_ADVTXD_TUCMD_L4T_TCP;
-        if (skb->protocol == htons(ETH_P_IP)) {
+        if (first->protocol == htons(ETH_P_IP)) {
                struct iphdr *iph = ip_hdr(skb);
                iph->tot_len = 0;
                iph->check = 0;
@@ -3156,7 +3156,7 @@ static void ixgbevf_tx_csum(struct ixgbevf_ring *tx_ring,
        if (skb->ip_summed == CHECKSUM_PARTIAL) {
                u8 l4_hdr = 0;
-                switch (skb->protocol) {
+                switch (first->protocol) {
                case htons(ETH_P_IP):
                        vlan_macip_lens |= skb_network_header_len(skb);
                        type_tucmd |= IXGBE_ADVTXD_TUCMD_IPV4;
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
index 803f17653da7..1409d0cd6143 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
@@ -244,7 +244,8 @@ extern int mlx4_log_num_mgm_entry_size;
 extern int log_mtts_per_seg;
 extern int mlx4_internal_err_reset;
-#define MLX4_MAX_NUM_SLAVES     (MLX4_MAX_NUM_PF + MLX4_MAX_NUM_VF)
+#define MLX4_MAX_NUM_SLAVES     (min(MLX4_MAX_NUM_PF + MLX4_MAX_NUM_VF, \
+                                     MLX4_MFUNC_MAX))
 #define ALL_SLAVES 0xff
 struct mlx4_bitmap {
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
index 4d2496f28b85..d4b5085a21fa 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
@@ -968,7 +968,12 @@ static int qlcnic_poll(struct napi_struct *napi, int budget)
        tx_complete = qlcnic_process_cmd_ring(adapter, tx_ring,
                                              budget);
        work_done = qlcnic_process_rcv_ring(sds_ring, budget);
-        if ((work_done < budget) && tx_complete) {
+        /* Check if we need a repoll */
+        if (!tx_complete)
+                work_done = budget;
+        if (work_done < budget) {
                napi_complete(&sds_ring->napi);
                if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
                        qlcnic_enable_sds_intr(adapter, sds_ring);
@@ -993,6 +998,9 @@ static int qlcnic_tx_poll(struct napi_struct *napi, int budget)
                napi_complete(&tx_ring->napi);
                if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
                        qlcnic_enable_tx_intr(adapter, tx_ring);
+        } else {
+                /* As qlcnic_process_cmd_ring() returned 0, we need a repoll*/
+                work_done = budget;
        }
        return work_done;
@@ -1951,7 +1959,12 @@ static int qlcnic_83xx_msix_sriov_vf_poll(struct napi_struct *napi, int budget)
        tx_complete = qlcnic_process_cmd_ring(adapter, tx_ring, budget);
        work_done = qlcnic_83xx_process_rcv_ring(sds_ring, budget);
-        if ((work_done < budget) && tx_complete) {
+        /* Check if we need a repoll */
+        if (!tx_complete)
+                work_done = budget;
+        if (work_done < budget) {
                napi_complete(&sds_ring->napi);
                qlcnic_enable_sds_intr(adapter, sds_ring);
        }
@@ -1974,7 +1987,12 @@ static int qlcnic_83xx_poll(struct napi_struct *napi, int budget)
        tx_complete = qlcnic_process_cmd_ring(adapter, tx_ring, budget);
        work_done = qlcnic_83xx_process_rcv_ring(sds_ring, budget);
-        if ((work_done < budget) && tx_complete) {
+        /* Check if we need a repoll */
+        if (!tx_complete)
+                work_done = budget;
+        if (work_done < budget) {
                napi_complete(&sds_ring->napi);
                qlcnic_enable_sds_intr(adapter, sds_ring);
        }
@@ -1996,6 +2014,9 @@ static int qlcnic_83xx_msix_tx_poll(struct napi_struct *napi, int budget)
                napi_complete(&tx_ring->napi);
                if (test_bit(__QLCNIC_DEV_UP , &adapter->state))
                        qlcnic_enable_tx_intr(adapter, tx_ring);
+        } else {
+                /* need a repoll */
+                work_done = budget;
        }
        return work_done;
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
index dc0058f90370..8011ef3e7707 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
@@ -2351,23 +2351,29 @@ static int qlge_update_hw_vlan_features(struct net_device *ndev,
 {
        struct ql_adapter *qdev = netdev_priv(ndev);
        int status = 0;
+        bool need_restart = netif_running(ndev);
-        status = ql_adapter_down(qdev);
+        if (need_restart) {
-        if (status) {
+                status = ql_adapter_down(qdev);
-                netif_err(qdev, link, qdev->ndev,
+                if (status) {
-                          "Failed to bring down the adapter\n");
+                        netif_err(qdev, link, qdev->ndev,
-                return status;
+                                  "Failed to bring down the adapter\n");
+                        return status;
+                }
        }
        /* update the features with resent change */
        ndev->features = features;
-        status = ql_adapter_up(qdev);
+        if (need_restart) {
-        if (status) {
+                status = ql_adapter_up(qdev);
-                netif_err(qdev, link, qdev->ndev,
+                if (status) {
-                          "Failed to bring up the adapter\n");
+                        netif_err(qdev, link, qdev->ndev,
-                return status;
+                                  "Failed to bring up the adapter\n");
+                        return status;
+                }
        }
        return status;
 }
diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c
index 2b719ccd6e7c..2b10b85d8a08 100644
--- a/drivers/net/ethernet/sun/sunvnet.c
+++ b/drivers/net/ethernet/sun/sunvnet.c
@@ -1123,6 +1123,7 @@ static inline struct sk_buff *vnet_skb_shape(struct sk_buff *skb, int ncookies)
                        skb_shinfo(nskb)->gso_size = skb_shinfo(skb)->gso_size;
                        skb_shinfo(nskb)->gso_type = skb_shinfo(skb)->gso_type;
                }
+                nskb->queue_mapping = skb->queue_mapping;
                dev_kfree_skb(skb);
                skb = nskb;
        }
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index d2af032ff225..58bb4102afac 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -717,7 +717,7 @@ int netvsc_send(struct hv_device *device,
        u64 req_id;
        unsigned int section_index = NETVSC_INVALID_INDEX;
        u32 msg_size = 0;
-        struct sk_buff *skb;
+        struct sk_buff *skb = NULL;
        u16 q_idx = packet->q_idx;
@@ -744,8 +744,6 @@ int netvsc_send(struct hv_device *device,
                                                           packet);
                        skb = (struct sk_buff *)
                              (unsigned long)packet->send_completion_tid;
-                        if (skb)
-                                dev_kfree_skb_any(skb);
                        packet->page_buf_cnt = 0;
                }
        }
@@ -811,6 +809,13 @@ int netvsc_send(struct hv_device *device,
                           packet, ret);
        }
+        if (ret != 0) {
+                if (section_index != NETVSC_INVALID_INDEX)
+                        netvsc_free_send_slot(net_device, section_index);
+        } else if (skb) {
+                dev_kfree_skb_any(skb);
+        }
        return ret;
 }
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index d0ed5694dd7d..e40fdfccc9c1 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -17,7 +17,6 @@
 #include <linux/fs.h>
 #include <linux/uio.h>
-#include <net/ipv6.h>
 #include <net/net_namespace.h>
 #include <net/rtnetlink.h>
 #include <net/sock.h>
@@ -81,7 +80,7 @@ static struct cdev macvtap_cdev;
 static const struct proto_ops macvtap_socket_ops;
 #define TUN_OFFLOADS (NETIF_F_HW_CSUM | NETIF_F_TSO_ECN | NETIF_F_TSO | \
-                      NETIF_F_TSO6)
+                      NETIF_F_TSO6 | NETIF_F_UFO)
 #define RX_OFFLOADS (NETIF_F_GRO | NETIF_F_LRO)
 #define TAP_FEATURES (NETIF_F_GSO | NETIF_F_SG)
@@ -586,11 +585,7 @@ static int macvtap_skb_from_vnet_hdr(struct macvtap_queue *q,
                        gso_type = SKB_GSO_TCPV6;
                        break;
                case VIRTIO_NET_HDR_GSO_UDP:
-                        pr_warn_once("macvtap: %s: using disabled UFO feature; please fix this program\n",
-                                     current->comm);
                        gso_type = SKB_GSO_UDP;
-                        if (skb->protocol == htons(ETH_P_IPV6))
-                                ipv6_proxy_select_ident(skb);
                        break;
                default:
                        return -EINVAL;
@@ -636,6 +631,8 @@ static void macvtap_skb_to_vnet_hdr(struct macvtap_queue *q,
                        vnet_hdr->gso_type = VIRTIO_NET_HDR_GSO_TCPV4;
                else if (sinfo->gso_type & SKB_GSO_TCPV6)
                        vnet_hdr->gso_type = VIRTIO_NET_HDR_GSO_TCPV6;
+                else if (sinfo->gso_type & SKB_GSO_UDP)
+                        vnet_hdr->gso_type = VIRTIO_NET_HDR_GSO_UDP;
                else
                        BUG();
                if (sinfo->gso_type & SKB_GSO_TCP_ECN)
@@ -965,6 +962,9 @@ static int set_offload(struct macvtap_queue *q, unsigned long arg)
                        if (arg & TUN_F_TSO6)
                                feature_mask |= NETIF_F_TSO6;
                }
+                if (arg & TUN_F_UFO)
+                        feature_mask |= NETIF_F_UFO;
        }
        /* tun/tap driver inverts the usage for TSO offloads, where
@@ -975,7 +975,7 @@ static int set_offload(struct macvtap_queue *q, unsigned long arg)
         * When user space turns off TSO, we turn off GSO/LRO so that
         * user-space will not receive TSO frames.
         */
-        if (feature_mask & (NETIF_F_TSO | NETIF_F_TSO6))
+        if (feature_mask & (NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_UFO))
                features |= RX_OFFLOADS;
        else
                features &= ~RX_OFFLOADS;
@@ -1090,7 +1090,7 @@ static long macvtap_ioctl(struct file *file, unsigned int cmd,
        case TUNSETOFFLOAD:
                /* let the user check for future flags */
                if (arg & ~(TUN_F_CSUM | TUN_F_TSO4 | TUN_F_TSO6 |
-                            TUN_F_TSO_ECN))
+                            TUN_F_TSO_ECN | TUN_F_UFO))
                        return -EINVAL;
                rtnl_lock();
diff --git a/drivers/net/ppp/ppp_deflate.c b/drivers/net/ppp/ppp_deflate.c
index 602c625d95d5..b5edc7f96a39 100644
--- a/drivers/net/ppp/ppp_deflate.c
+++ b/drivers/net/ppp/ppp_deflate.c
@@ -246,7 +246,7 @@ static int z_compress(void *arg, unsigned char *rptr, unsigned char *obuf,
        /*
         * See if we managed to reduce the size of the packet.
         */
-        if (olen < isize) {
+        if (olen < isize && olen <= osize) {
                state->stats.comp_bytes += olen;
                state->stats.comp_packets++;
        } else {
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 3ff8cd7bf74d..ad7d3d5f3ee5 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -65,7 +65,6 @@
 #include <linux/nsproxy.h>
 #include <linux/virtio_net.h>
 #include <linux/rcupdate.h>
-#include <net/ipv6.h>
 #include <net/net_namespace.h>
 #include <net/netns/generic.h>
 #include <net/rtnetlink.h>
@@ -186,7 +185,7 @@ struct tun_struct {
        struct net_device       *dev;
        netdev_features_t       set_features;
 #define TUN_USER_FEATURES (NETIF_F_HW_CSUM|NETIF_F_TSO_ECN|NETIF_F_TSO| \
-                          NETIF_F_TSO6)
+                          NETIF_F_TSO6|NETIF_F_UFO)
        int                     vnet_hdr_sz;
        int                     sndbuf;
@@ -1166,8 +1165,6 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile,
                break;
        }
-        skb_reset_network_header(skb);
        if (gso.gso_type != VIRTIO_NET_HDR_GSO_NONE) {
                pr_debug("GSO!\n");
                switch (gso.gso_type & ~VIRTIO_NET_HDR_GSO_ECN) {
@@ -1178,20 +1175,8 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile,
                        skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6;
                        break;
                case VIRTIO_NET_HDR_GSO_UDP:
-                {
-                        static bool warned;
-                        if (!warned) {
-                                warned = true;
-                                netdev_warn(tun->dev,
-                                            "%s: using disabled UFO feature; please fix this program\n",
-                                            current->comm);
-                        }
                        skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
-                        if (skb->protocol == htons(ETH_P_IPV6))
-                                ipv6_proxy_select_ident(skb);
                        break;
-                }
                default:
                        tun->dev->stats.rx_frame_errors++;
                        kfree_skb(skb);
@@ -1220,6 +1205,7 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile,
                skb_shinfo(skb)->tx_flags |= SKBTX_SHARED_FRAG;
        }
+        skb_reset_network_header(skb);
        skb_probe_transport_header(skb, 0);
        rxhash = skb_get_hash(skb);
@@ -1297,6 +1283,8 @@ static ssize_t tun_put_user(struct tun_struct *tun,
                                gso.gso_type = VIRTIO_NET_HDR_GSO_TCPV4;
                        else if (sinfo->gso_type & SKB_GSO_TCPV6)
                                gso.gso_type = VIRTIO_NET_HDR_GSO_TCPV6;
+                        else if (sinfo->gso_type & SKB_GSO_UDP)
+                                gso.gso_type = VIRTIO_NET_HDR_GSO_UDP;
                        else {
                                pr_err("unexpected GSO type: "
                                       "0x%x, gso_size %d, hdr_len %d\n",
@@ -1752,6 +1740,11 @@ static int set_offload(struct tun_struct *tun, unsigned long arg)
                                features |= NETIF_F_TSO6;
                        arg &= ~(TUN_F_TSO4|TUN_F_TSO6);
                }
+                if (arg & TUN_F_UFO) {
+                        features |= NETIF_F_UFO;
+                        arg &= ~TUN_F_UFO;
+                }
        }
        /* This gives the user a way to test for new features in future by
diff --git a/drivers/net/usb/sr9700.c b/drivers/net/usb/sr9700.c
index 99b69af14274..4a1e9c489f1f 100644
--- a/drivers/net/usb/sr9700.c
+++ b/drivers/net/usb/sr9700.c
@@ -77,7 +77,7 @@ static int wait_phy_eeprom_ready(struct usbnet *dev, int phy)
                int ret;
                udelay(1);
-                ret = sr_read_reg(dev, EPCR, &tmp);
+                ret = sr_read_reg(dev, SR_EPCR, &tmp);
                if (ret < 0)
                        return ret;
@@ -98,15 +98,15 @@ static int sr_share_read_word(struct usbnet *dev, int phy, u8 reg,
        mutex_lock(&dev->phy_mutex);
-        sr_write_reg(dev, EPAR, phy ? (reg | EPAR_PHY_ADR) : reg);
+        sr_write_reg(dev, SR_EPAR, phy ? (reg | EPAR_PHY_ADR) : reg);
-        sr_write_reg(dev, EPCR, phy ? (EPCR_EPOS | EPCR_ERPRR) : EPCR_ERPRR);
+        sr_write_reg(dev, SR_EPCR, phy ? (EPCR_EPOS | EPCR_ERPRR) : EPCR_ERPRR);
        ret = wait_phy_eeprom_ready(dev, phy);
        if (ret < 0)
                goto out_unlock;
-        sr_write_reg(dev, EPCR, 0x0);
+        sr_write_reg(dev, SR_EPCR, 0x0);
-        ret = sr_read(dev, EPDR, 2, value);
+        ret = sr_read(dev, SR_EPDR, 2, value);
        netdev_dbg(dev->net, "read shared %d 0x%02x returned 0x%04x, %d\n",
                   phy, reg, *value, ret);
@@ -123,19 +123,19 @@ static int sr_share_write_word(struct usbnet *dev, int phy, u8 reg,
        mutex_lock(&dev->phy_mutex);
-        ret = sr_write(dev, EPDR, 2, &value);
+        ret = sr_write(dev, SR_EPDR, 2, &value);
        if (ret < 0)
                goto out_unlock;
-        sr_write_reg(dev, EPAR, phy ? (reg | EPAR_PHY_ADR) : reg);
+        sr_write_reg(dev, SR_EPAR, phy ? (reg | EPAR_PHY_ADR) : reg);
-        sr_write_reg(dev, EPCR, phy ? (EPCR_WEP | EPCR_EPOS | EPCR_ERPRW) :
+        sr_write_reg(dev, SR_EPCR, phy ? (EPCR_WEP | EPCR_EPOS | EPCR_ERPRW) :
                    (EPCR_WEP | EPCR_ERPRW));
        ret = wait_phy_eeprom_ready(dev, phy);
        if (ret < 0)
                goto out_unlock;
-        sr_write_reg(dev, EPCR, 0x0);
+        sr_write_reg(dev, SR_EPCR, 0x0);
 out_unlock:
        mutex_unlock(&dev->phy_mutex);
@@ -188,7 +188,7 @@ static int sr_mdio_read(struct net_device *netdev, int phy_id, int loc)
        if (loc == MII_BMSR) {
                u8 value;
-                sr_read_reg(dev, NSR, &value);
+                sr_read_reg(dev, SR_NSR, &value);
                if (value & NSR_LINKST)
                        rc = 1;
        }
@@ -228,7 +228,7 @@ static u32 sr9700_get_link(struct net_device *netdev)
        int rc = 0;
        /* Get the Link Status directly */
-        sr_read_reg(dev, NSR, &value);
+        sr_read_reg(dev, SR_NSR, &value);
        if (value & NSR_LINKST)
                rc = 1;
@@ -281,8 +281,8 @@ static void sr9700_set_multicast(struct net_device *netdev)
                }
        }
-        sr_write_async(dev, MAR, SR_MCAST_SIZE, hashes);
+        sr_write_async(dev, SR_MAR, SR_MCAST_SIZE, hashes);
-        sr_write_reg_async(dev, RCR, rx_ctl);
+        sr_write_reg_async(dev, SR_RCR, rx_ctl);
 }
 static int sr9700_set_mac_address(struct net_device *netdev, void *p)
@@ -297,7 +297,7 @@ static int sr9700_set_mac_address(struct net_device *netdev, void *p)
        }
        memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
-        sr_write_async(dev, PAR, 6, netdev->dev_addr);
+        sr_write_async(dev, SR_PAR, 6, netdev->dev_addr);
        return 0;
 }
@@ -340,7 +340,7 @@ static int sr9700_bind(struct usbnet *dev, struct usb_interface *intf)
        mii->phy_id_mask = 0x1f;
        mii->reg_num_mask = 0x1f;
-        sr_write_reg(dev, NCR, NCR_RST);
+        sr_write_reg(dev, SR_NCR, NCR_RST);
        udelay(20);
        /* read MAC
@@ -348,17 +348,17 @@ static int sr9700_bind(struct usbnet *dev, struct usb_interface *intf)
         * EEPROM automatically to PAR. In case there is no EEPROM externally,
         * a default MAC address is stored in PAR for making chip work properly.
         */
-        if (sr_read(dev, PAR, ETH_ALEN, netdev->dev_addr) < 0) {
+        if (sr_read(dev, SR_PAR, ETH_ALEN, netdev->dev_addr) < 0) {
                netdev_err(netdev, "Error reading MAC address\n");
                ret = -ENODEV;
                goto out;
        }
        /* power up and reset phy */
-        sr_write_reg(dev, PRR, PRR_PHY_RST);
+        sr_write_reg(dev, SR_PRR, PRR_PHY_RST);
        /* at least 10ms, here 20ms for safe */
        mdelay(20);
-        sr_write_reg(dev, PRR, 0);
+        sr_write_reg(dev, SR_PRR, 0);
        /* at least 1ms, here 2ms for reading right register */
        udelay(2 * 1000);
diff --git a/drivers/net/usb/sr9700.h b/drivers/net/usb/sr9700.h
index fd687c575e74..258b030277e7 100644
--- a/drivers/net/usb/sr9700.h
+++ b/drivers/net/usb/sr9700.h
@@ -14,13 +14,13 @@
 /* sr9700 spec. register table on Linux platform */
 /* Network Control Reg */
-#define NCR                     0x00
+#define SR_NCR                  0x00
 #define         NCR_RST                 (1 << 0)
 #define         NCR_LBK                 (3 << 1)
 #define         NCR_FDX                 (1 << 3)
 #define         NCR_WAKEEN              (1 << 6)
 /* Network Status Reg */
-#define NSR                     0x01
+#define SR_NSR                  0x01
 #define         NSR_RXRDY               (1 << 0)
 #define         NSR_RXOV                (1 << 1)
 #define         NSR_TX1END              (1 << 2)
@@ -30,7 +30,7 @@
 #define         NSR_LINKST              (1 << 6)
 #define         NSR_SPEED               (1 << 7)
 /* Tx Control Reg */
-#define TCR                     0x02
+#define SR_TCR                  0x02
 #define         TCR_CRC_DIS             (1 << 1)
 #define         TCR_PAD_DIS             (1 << 2)
 #define         TCR_LC_CARE             (1 << 3)
@@ -38,7 +38,7 @@
 #define         TCR_EXCECM              (1 << 5)
 #define         TCR_LF_EN               (1 << 6)
 /* Tx Status Reg for Packet Index 1 */
-#define TSR1            0x03
+#define SR_TSR1         0x03
 #define         TSR1_EC                 (1 << 2)
 #define         TSR1_COL                (1 << 3)
 #define         TSR1_LC                 (1 << 4)
@@ -46,7 +46,7 @@
 #define         TSR1_LOC                (1 << 6)
 #define         TSR1_TLF                (1 << 7)
 /* Tx Status Reg for Packet Index 2 */
-#define TSR2            0x04
+#define SR_TSR2         0x04
 #define         TSR2_EC                 (1 << 2)
 #define         TSR2_COL                (1 << 3)
 #define         TSR2_LC                 (1 << 4)
@@ -54,7 +54,7 @@
 #define         TSR2_LOC                (1 << 6)
 #define         TSR2_TLF                (1 << 7)
 /* Rx Control Reg*/
-#define RCR                     0x05
+#define SR_RCR                  0x05
 #define         RCR_RXEN                (1 << 0)
 #define         RCR_PRMSC               (1 << 1)
 #define         RCR_RUNT                (1 << 2)
@@ -62,87 +62,87 @@
 #define         RCR_DIS_CRC             (1 << 4)
 #define         RCR_DIS_LONG    (1 << 5)
 /* Rx Status Reg */
-#define RSR                     0x06
+#define SR_RSR                  0x06
 #define         RSR_AE                  (1 << 2)
 #define         RSR_MF                  (1 << 6)
 #define         RSR_RF                  (1 << 7)
 /* Rx Overflow Counter Reg */
-#define ROCR            0x07
+#define SR_ROCR         0x07
 #define         ROCR_ROC                (0x7F << 0)
 #define         ROCR_RXFU               (1 << 7)
 /* Back Pressure Threshold Reg */
-#define BPTR            0x08
+#define SR_BPTR         0x08
 #define         BPTR_JPT                (0x0F << 0)
 #define         BPTR_BPHW               (0x0F << 4)
 /* Flow Control Threshold Reg */
-#define FCTR            0x09
+#define SR_FCTR         0x09
 #define         FCTR_LWOT               (0x0F << 0)
 #define         FCTR_HWOT               (0x0F << 4)
 /* rx/tx Flow Control Reg */
-#define FCR                     0x0A
+#define SR_FCR                  0x0A
 #define         FCR_FLCE                (1 << 0)
 #define         FCR_BKPA                (1 << 4)
 #define         FCR_TXPEN               (1 << 5)
 #define         FCR_TXPF                (1 << 6)
 #define         FCR_TXP0                (1 << 7)
 /* Eeprom & Phy Control Reg */
-#define EPCR            0x0B
+#define SR_EPCR         0x0B
 #define         EPCR_ERRE               (1 << 0)
 #define         EPCR_ERPRW              (1 << 1)
 #define         EPCR_ERPRR              (1 << 2)
 #define         EPCR_EPOS               (1 << 3)
 #define         EPCR_WEP                (1 << 4)
 /* Eeprom & Phy Address Reg */
-#define EPAR            0x0C
+#define SR_EPAR         0x0C
 #define         EPAR_EROA               (0x3F << 0)
 #define         EPAR_PHY_ADR_MASK       (0x03 << 6)
 #define         EPAR_PHY_ADR            (0x01 << 6)
 /* Eeprom &     Phy Data Reg */
-#define EPDR            0x0D    /* 0x0D ~ 0x0E for Data Reg Low & High */
+#define SR_EPDR         0x0D    /* 0x0D ~ 0x0E for Data Reg Low & High */
 /* Wakeup Control Reg */
-#define WCR                     0x0F
+#define SR_WCR                  0x0F
 #define         WCR_MAGICST             (1 << 0)
 #define         WCR_LINKST              (1 << 2)
 #define         WCR_MAGICEN             (1 << 3)
 #define         WCR_LINKEN              (1 << 5)
 /* Physical Address Reg */
-#define PAR                     0x10    /* 0x10 ~ 0x15 6 bytes for PAR */
+#define SR_PAR                  0x10    /* 0x10 ~ 0x15 6 bytes for PAR */
 /* Multicast Address Reg */
-#define MAR                     0x16    /* 0x16 ~ 0x1D 8 bytes for MAR */
+#define SR_MAR                  0x16    /* 0x16 ~ 0x1D 8 bytes for MAR */
 /* 0x1e unused */
 /* Phy Reset Reg */
-#define PRR                     0x1F
+#define SR_PRR                  0x1F
 #define         PRR_PHY_RST             (1 << 0)
 /* Tx sdram Write Pointer Address Low */
-#define TWPAL           0x20
+#define SR_TWPAL                0x20
 /* Tx sdram Write Pointer Address High */
-#define TWPAH           0x21
+#define SR_TWPAH                0x21
 /* Tx sdram Read Pointer Address Low */
-#define TRPAL           0x22
+#define SR_TRPAL                0x22
 /* Tx sdram Read Pointer Address High */
-#define TRPAH           0x23
+#define SR_TRPAH                0x23
 /* Rx sdram Write Pointer Address Low */
-#define RWPAL           0x24
+#define SR_RWPAL                0x24
 /* Rx sdram Write Pointer Address High */
-#define RWPAH           0x25
+#define SR_RWPAH                0x25
 /* Rx sdram Read Pointer Address Low */
-#define RRPAL           0x26
+#define SR_RRPAL                0x26
 /* Rx sdram Read Pointer Address High */
-#define RRPAH           0x27
+#define SR_RRPAH                0x27
 /* Vendor ID register */
-#define VID                     0x28    /* 0x28 ~ 0x29 2 bytes for VID */
+#define SR_VID                  0x28    /* 0x28 ~ 0x29 2 bytes for VID */
 /* Product ID register */
-#define PID                     0x2A    /* 0x2A ~ 0x2B 2 bytes for PID */
+#define SR_PID                  0x2A    /* 0x2A ~ 0x2B 2 bytes for PID */
 /* CHIP Revision register */
-#define CHIPR           0x2C
+#define SR_CHIPR                0x2C
 /* 0x2D --> 0xEF unused */
 /* USB Device Address */
-#define USBDA           0xF0
+#define SR_USBDA                0xF0
 #define         USBDA_USBFA             (0x7F << 0)
 /* RX packet Counter Reg */
-#define RXC                     0xF1
+#define SR_RXC                  0xF1
 /* Tx packet Counter & USB Status Reg */
-#define TXC_USBS        0xF2
+#define SR_TXC_USBS             0xF2
 #define         TXC_USBS_TXC0           (1 << 0)
 #define         TXC_USBS_TXC1           (1 << 1)
 #define         TXC_USBS_TXC2           (1 << 2)
@@ -150,7 +150,7 @@
 #define         TXC_USBS_SUSFLAG        (1 << 6)
 #define         TXC_USBS_RXFAULT        (1 << 7)
 /* USB Control register */
-#define USBC            0xF4
+#define SR_USBC                 0xF4
 #define         USBC_EP3NAK             (1 << 4)
 #define         USBC_EP3ACK             (1 << 5)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 9bd71d53c5e0..110a2cf67244 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -490,17 +490,8 @@ static void receive_buf(struct virtnet_info *vi, struct receive_queue *rq,
                        skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4;
                        break;
                case VIRTIO_NET_HDR_GSO_UDP:
-                {
-                        static bool warned;
-                        if (!warned) {
-                                warned = true;
-                                netdev_warn(dev,
-                                            "host using disabled UFO feature; please fix it\n");
-                        }
                        skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
                        break;
-                }
                case VIRTIO_NET_HDR_GSO_TCPV6:
                        skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6;
                        break;
@@ -888,6 +879,8 @@ static int xmit_skb(struct send_queue *sq, struct sk_buff *skb)
                        hdr->hdr.gso_type = VIRTIO_NET_HDR_GSO_TCPV4;
                else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
                        hdr->hdr.gso_type = VIRTIO_NET_HDR_GSO_TCPV6;
+                else if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP)
+                        hdr->hdr.gso_type = VIRTIO_NET_HDR_GSO_UDP;
                else
                        BUG();
                if (skb_shinfo(skb)->gso_type & SKB_GSO_TCP_ECN)
@@ -1752,7 +1745,7 @@ static int virtnet_probe(struct virtio_device *vdev)
                        dev->features |= NETIF_F_HW_CSUM|NETIF_F_SG|NETIF_F_FRAGLIST;
                if (virtio_has_feature(vdev, VIRTIO_NET_F_GSO)) {
-                        dev->hw_features |= NETIF_F_TSO
+                        dev->hw_features |= NETIF_F_TSO | NETIF_F_UFO
                                | NETIF_F_TSO_ECN | NETIF_F_TSO6;
                }
                /* Individual feature bits: what can host handle? */
@@ -1762,11 +1755,13 @@ static int virtnet_probe(struct virtio_device *vdev)
                        dev->hw_features |= NETIF_F_TSO6;
                if (virtio_has_feature(vdev, VIRTIO_NET_F_HOST_ECN))
                        dev->hw_features |= NETIF_F_TSO_ECN;
+                if (virtio_has_feature(vdev, VIRTIO_NET_F_HOST_UFO))
+                        dev->hw_features |= NETIF_F_UFO;
                dev->features |= NETIF_F_GSO_ROBUST;
                if (gso)
-                        dev->features |= dev->hw_features & NETIF_F_ALL_TSO;
+                        dev->features |= dev->hw_features & (NETIF_F_ALL_TSO|NETIF_F_UFO);
                /* (!csum && gso) case will be fixed by register_netdev() */
        }
        if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_CSUM))
@@ -1804,7 +1799,8 @@ static int virtnet_probe(struct virtio_device *vdev)
        /* If we can receive ANY GSO packets, we must allocate large ones. */
        if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO4) ||
            virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO6) ||
-            virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN))
+            virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN) ||
+            virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_UFO))
                vi->big_packets = true;
        if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF))
@@ -2000,9 +1996,9 @@ static struct virtio_device_id id_table[] = {
 static unsigned int features[] = {
        VIRTIO_NET_F_CSUM, VIRTIO_NET_F_GUEST_CSUM,
        VIRTIO_NET_F_GSO, VIRTIO_NET_F_MAC,
-        VIRTIO_NET_F_HOST_TSO4, VIRTIO_NET_F_HOST_TSO6,
+        VIRTIO_NET_F_HOST_TSO4, VIRTIO_NET_F_HOST_UFO, VIRTIO_NET_F_HOST_TSO6,
        VIRTIO_NET_F_HOST_ECN, VIRTIO_NET_F_GUEST_TSO4, VIRTIO_NET_F_GUEST_TSO6,
-        VIRTIO_NET_F_GUEST_ECN,
+        VIRTIO_NET_F_GUEST_ECN, VIRTIO_NET_F_GUEST_UFO,
        VIRTIO_NET_F_MRG_RXBUF, VIRTIO_NET_F_STATUS, VIRTIO_NET_F_CTRL_VQ,
        VIRTIO_NET_F_CTRL_RX, VIRTIO_NET_F_CTRL_VLAN,
        VIRTIO_NET_F_GUEST_ANNOUNCE, VIRTIO_NET_F_MQ,
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index d08072c10aa9..e6ed3e66964d 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -2625,10 +2625,10 @@ static void vxlan_sock_work(struct work_struct *work)
        dev_put(vxlan->dev);
 }
-static int vxlan_newlink(struct net *net, struct net_device *dev,
+static int vxlan_newlink(struct net *src_net, struct net_device *dev,
                         struct nlattr *tb[], struct nlattr *data[])
 {
-        struct vxlan_net *vn = net_generic(net, vxlan_net_id);
+        struct vxlan_net *vn = net_generic(src_net, vxlan_net_id);
        struct vxlan_dev *vxlan = netdev_priv(dev);
        struct vxlan_rdst *dst = &vxlan->default_dst;
        __u32 vni;
@@ -2638,7 +2638,7 @@ static int vxlan_newlink(struct net *net, struct net_device *dev,
        if (!data[IFLA_VXLAN_ID])
                return -EINVAL;
-        vxlan->net = dev_net(dev);
+        vxlan->net = src_net;
        vni = nla_get_u32(data[IFLA_VXLAN_ID]);
        dst->remote_vni = vni;
@@ -2674,7 +2674,7 @@ static int vxlan_newlink(struct net *net, struct net_device *dev,
        if (data[IFLA_VXLAN_LINK] &&
            (dst->remote_ifindex = nla_get_u32(data[IFLA_VXLAN_LINK]))) {
                struct net_device *lowerdev
-                         = __dev_get_by_index(net, dst->remote_ifindex);
+                         = __dev_get_by_index(src_net, dst->remote_ifindex);
                if (!lowerdev) {
                        pr_info("ifindex %d does not exist\n", dst->remote_ifindex);
@@ -2761,7 +2761,7 @@ static int vxlan_newlink(struct net *net, struct net_device *dev,
        if (data[IFLA_VXLAN_GBP])
                vxlan->flags |= VXLAN_F_GBP;
-        if (vxlan_find_vni(net, vni, use_ipv6 ? AF_INET6 : AF_INET,
+        if (vxlan_find_vni(src_net, vni, use_ipv6 ? AF_INET6 : AF_INET,
                           vxlan->dst_port, vxlan->flags)) {
                pr_info("duplicate VNI %u\n", vni);
                return -EEXIST;
diff --git a/drivers/net/wan/Kconfig b/drivers/net/wan/Kconfig
index 94e234975c61..a2fdd15f285a 100644
--- a/drivers/net/wan/Kconfig
+++ b/drivers/net/wan/Kconfig
@@ -25,7 +25,7 @@ if WAN
 # There is no way to detect a comtrol sv11 - force it modular for now.
 config HOSTESS_SV11
        tristate "Comtrol Hostess SV-11 support"
-        depends on ISA && m && ISA_DMA_API && INET && HDLC
+        depends on ISA && m && ISA_DMA_API && INET && HDLC && VIRT_TO_BUS
        help
          Driver for Comtrol Hostess SV-11 network card which
          operates on low speed synchronous serial links at up to
@@ -37,7 +37,7 @@ config HOSTESS_SV11
 # The COSA/SRP driver has not been tested as non-modular yet.
 config COSA
        tristate "COSA/SRP sync serial boards support"
-        depends on ISA && m && ISA_DMA_API && HDLC
+        depends on ISA && m && ISA_DMA_API && HDLC && VIRT_TO_BUS
        ---help---
          Driver for COSA and SRP synchronous serial boards.
@@ -87,7 +87,7 @@ config LANMEDIA
 # There is no way to detect a Sealevel board. Force it modular
 config SEALEVEL_4021
        tristate "Sealevel Systems 4021 support"
-        depends on ISA && m && ISA_DMA_API && INET && HDLC
+        depends on ISA && m && ISA_DMA_API && INET && HDLC && VIRT_TO_BUS
        help
          This is a driver for the Sealevel Systems ACB 56 serial I/O adapter.
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index 9259a732e8a4..037f74f0fcf6 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -578,6 +578,7 @@ int xenvif_connect(struct xenvif_queue *queue, unsigned long tx_ring_ref,
                goto err_rx_unbind;
        }
        queue->task = task;
+        get_task_struct(task);
        task = kthread_create(xenvif_dealloc_kthread,
                              (void *)queue, "%s-dealloc", queue->name);
@@ -634,6 +635,7 @@ void xenvif_disconnect(struct xenvif *vif)
                if (queue->task) {
                        kthread_stop(queue->task);
+                        put_task_struct(queue->task);
                        queue->task = NULL;
                }
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 49322b6c32df..13899d5099e5 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -2008,8 +2008,7 @@ int xenvif_kthread_guest_rx(void *data)
                 */
                if (unlikely(vif->disabled && queue->id == 0)) {
                        xenvif_carrier_off(vif);
-                        xenvif_rx_queue_purge(queue);
+                        break;
-                        continue;
                }
                if (!skb_queue_empty(&queue->rx_queue))
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index df781cdf13c1..17ca98657a28 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -283,6 +283,9 @@ static int dw_msi_setup_irq(struct msi_controller *chip, struct pci_dev *pdev,
        struct msi_msg msg;
        struct pcie_port *pp = sys_to_pcie(pdev->bus->sysdata);
+        if (desc->msi_attrib.is_msix)
+                return -EINVAL;
        irq = assign_irq(1, desc, &pos);
        if (irq < 0)
                return irq;
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index e52356aa09b8..903d5078b5ed 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -324,18 +324,52 @@ static void quirk_s3_64M(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_S3,      PCI_DEVICE_ID_S3_868,           quirk_s3_64M);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_S3,      PCI_DEVICE_ID_S3_968,           quirk_s3_64M);
+static void quirk_io(struct pci_dev *dev, int pos, unsigned size,
+                     const char *name)
+{
+        u32 region;
+        struct pci_bus_region bus_region;
+        struct resource *res = dev->resource + pos;
+        pci_read_config_dword(dev, PCI_BASE_ADDRESS_0 + (pos << 2), &region);
+        if (!region)
+                return;
+        res->name = pci_name(dev);
+        res->flags = region & ~PCI_BASE_ADDRESS_IO_MASK;
+        res->flags |=
+                (IORESOURCE_IO | IORESOURCE_PCI_FIXED | IORESOURCE_SIZEALIGN);
+        region &= ~(size - 1);
+        /* Convert from PCI bus to resource space */
+        bus_region.start = region;
+        bus_region.end = region + size - 1;
+        pcibios_bus_to_resource(dev->bus, res, &bus_region);
+        dev_info(&dev->dev, FW_BUG "%s quirk: reg 0x%x: %pR\n",
+                 name, PCI_BASE_ADDRESS_0 + (pos << 2), res);
+}
 /*
 * Some CS5536 BIOSes (for example, the Soekris NET5501 board w/ comBIOS
 * ver. 1.33  20070103) don't set the correct ISA PCI region header info.
 * BAR0 should be 8 bytes; instead, it may be set to something like 8k
 * (which conflicts w/ BAR1's memory range).
+ *
+ * CS553x's ISA PCI BARs may also be read-only (ref:
+ * https://bugzilla.kernel.org/show_bug.cgi?id=85991 - Comment #4 forward).
 */
 static void quirk_cs5536_vsa(struct pci_dev *dev)
 {
+        static char *name = "CS5536 ISA bridge";
        if (pci_resource_len(dev, 0) != 8) {
-                struct resource *res = &dev->resource[0];
+                quirk_io(dev, 0,   8, name);    /* SMB */
-                res->end = res->start + 8 - 1;
+                quirk_io(dev, 1, 256, name);    /* GPIO */
-                dev_info(&dev->dev, "CS5536 ISA bridge bug detected (incorrect header); workaround applied\n");
+                quirk_io(dev, 2,  64, name);    /* MFGPT */
+                dev_info(&dev->dev, "%s bug detected (incorrect header); workaround applied\n",
+                         name);
        }
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA, quirk_cs5536_vsa);
diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index dfd021e8268f..f4cd0b9b2438 100644
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -177,7 +177,7 @@ struct at91_pinctrl {
        struct device           *dev;
        struct pinctrl_dev      *pctl;
-        int                     nbanks;
+        int                     nactive_banks;
        uint32_t                *mux_mask;
        int                     nmux;
@@ -653,12 +653,18 @@ static int pin_check_config(struct at91_pinctrl *info, const char *name,
        int mux;
        /* check if it's a valid config */
-        if (pin->bank >= info->nbanks) {
+        if (pin->bank >= gpio_banks) {
                dev_err(info->dev, "%s: pin conf %d bank_id %d >= nbanks %d\n",
-                        name, index, pin->bank, info->nbanks);
+                        name, index, pin->bank, gpio_banks);
                return -EINVAL;
        }
+        if (!gpio_chips[pin->bank]) {
+                dev_err(info->dev, "%s: pin conf %d bank_id %d not enabled\n",
+                        name, index, pin->bank);
+                return -ENXIO;
+        }
        if (pin->pin >= MAX_NB_GPIO_PER_BANK) {
                dev_err(info->dev, "%s: pin conf %d pin_bank_id %d >= %d\n",
                        name, index, pin->pin, MAX_NB_GPIO_PER_BANK);
@@ -981,7 +987,8 @@ static void at91_pinctrl_child_count(struct at91_pinctrl *info,
        for_each_child_of_node(np, child) {
                if (of_device_is_compatible(child, gpio_compat)) {
-                        info->nbanks++;
+                        if (of_device_is_available(child))
+                                info->nactive_banks++;
                } else {
                        info->nfunctions++;
                        info->ngroups += of_get_child_count(child);
@@ -1003,11 +1010,11 @@ static int at91_pinctrl_mux_mask(struct at91_pinctrl *info,
        }
        size /= sizeof(*list);
-        if (!size || size % info->nbanks) {
+        if (!size || size % gpio_banks) {
-                dev_err(info->dev, "wrong mux mask array should be by %d\n", info->nbanks);
+                dev_err(info->dev, "wrong mux mask array should be by %d\n", gpio_banks);
                return -EINVAL;
        }
-        info->nmux = size / info->nbanks;
+        info->nmux = size / gpio_banks;
        info->mux_mask = devm_kzalloc(info->dev, sizeof(u32) * size, GFP_KERNEL);
        if (!info->mux_mask) {
@@ -1131,7 +1138,7 @@ static int at91_pinctrl_probe_dt(struct platform_device *pdev,
                of_match_device(at91_pinctrl_of_match, &pdev->dev)->data;
        at91_pinctrl_child_count(info, np);
-        if (info->nbanks < 1) {
+        if (gpio_banks < 1) {
                dev_err(&pdev->dev, "you need to specify at least one gpio-controller\n");
                return -EINVAL;
        }
@@ -1144,7 +1151,7 @@ static int at91_pinctrl_probe_dt(struct platform_device *pdev,
        dev_dbg(&pdev->dev, "mux-mask\n");
        tmp = info->mux_mask;
-        for (i = 0; i < info->nbanks; i++) {
+        for (i = 0; i < gpio_banks; i++) {
                for (j = 0; j < info->nmux; j++, tmp++) {
                        dev_dbg(&pdev->dev, "%d:%d\t0x%x\n", i, j, tmp[0]);
                }
@@ -1162,7 +1169,7 @@ static int at91_pinctrl_probe_dt(struct platform_device *pdev,
        if (!info->groups)
                return -ENOMEM;
-        dev_dbg(&pdev->dev, "nbanks = %d\n", info->nbanks);
+        dev_dbg(&pdev->dev, "nbanks = %d\n", gpio_banks);
        dev_dbg(&pdev->dev, "nfunctions = %d\n", info->nfunctions);
        dev_dbg(&pdev->dev, "ngroups = %d\n", info->ngroups);
@@ -1185,7 +1192,7 @@ static int at91_pinctrl_probe(struct platform_device *pdev)
 {
        struct at91_pinctrl *info;
        struct pinctrl_pin_desc *pdesc;
-        int ret, i, j, k;
+        int ret, i, j, k, ngpio_chips_enabled = 0;
        info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
        if (!info)
@@ -1200,23 +1207,27 @@ static int at91_pinctrl_probe(struct platform_device *pdev)
         * to obtain references to the struct gpio_chip * for them, and we
         * need this to proceed.
         */
-        for (i = 0; i < info->nbanks; i++) {
+        for (i = 0; i < gpio_banks; i++)
-                if (!gpio_chips[i]) {
+                if (gpio_chips[i])
-                        dev_warn(&pdev->dev, "GPIO chip %d not registered yet\n", i);
+                        ngpio_chips_enabled++;
-                        devm_kfree(&pdev->dev, info);
-                        return -EPROBE_DEFER;
+        if (ngpio_chips_enabled < info->nactive_banks) {
-                }
+                dev_warn(&pdev->dev,
+                         "All GPIO chips are not registered yet (%d/%d)\n",
+                         ngpio_chips_enabled, info->nactive_banks);
+                devm_kfree(&pdev->dev, info);
+                return -EPROBE_DEFER;
        }
        at91_pinctrl_desc.name = dev_name(&pdev->dev);
-        at91_pinctrl_desc.npins = info->nbanks * MAX_NB_GPIO_PER_BANK;
+        at91_pinctrl_desc.npins = gpio_banks * MAX_NB_GPIO_PER_BANK;
        at91_pinctrl_desc.pins = pdesc =
                devm_kzalloc(&pdev->dev, sizeof(*pdesc) * at91_pinctrl_desc.npins, GFP_KERNEL);
        if (!at91_pinctrl_desc.pins)
                return -ENOMEM;
-        for (i = 0 , k = 0; i < info->nbanks; i++) {
+        for (i = 0, k = 0; i < gpio_banks; i++) {
                for (j = 0; j < MAX_NB_GPIO_PER_BANK; j++, k++) {
                        pdesc->number = k;
                        pdesc->name = kasprintf(GFP_KERNEL, "pio%c%d", i + 'A', j);
@@ -1234,8 +1245,9 @@ static int at91_pinctrl_probe(struct platform_device *pdev)
        }
        /* We will handle a range of GPIO pins */
-        for (i = 0; i < info->nbanks; i++)
+        for (i = 0; i < gpio_banks; i++)
-                pinctrl_add_gpio_range(info->pctl, &gpio_chips[i]->range);
+                if (gpio_chips[i])
+                        pinctrl_add_gpio_range(info->pctl, &gpio_chips[i]->range);
        dev_info(&pdev->dev, "initialized AT91 pinctrl driver\n");
@@ -1613,9 +1625,10 @@ static void gpio_irq_handler(unsigned irq, struct irq_desc *desc)
 static int at91_gpio_of_irq_setup(struct platform_device *pdev,
                                  struct at91_gpio_chip *at91_gpio)
 {
+        struct gpio_chip        *gpiochip_prev = NULL;
        struct at91_gpio_chip   *prev = NULL;
        struct irq_data         *d = irq_get_irq_data(at91_gpio->pioc_virq);
-        int ret;
+        int ret, i;
        at91_gpio->pioc_hwirq = irqd_to_hwirq(d);
@@ -1641,24 +1654,33 @@ static int at91_gpio_of_irq_setup(struct platform_device *pdev,
                return ret;
        }
-        /* Setup chained handler */
-        if (at91_gpio->pioc_idx)
-                prev = gpio_chips[at91_gpio->pioc_idx - 1];
        /* The top level handler handles one bank of GPIOs, except
         * on some SoC it can handle up to three...
         * We only set up the handler for the first of the list.
         */
-        if (prev && prev->next == at91_gpio)
+        gpiochip_prev = irq_get_handler_data(at91_gpio->pioc_virq);
+        if (!gpiochip_prev) {
+                /* Then register the chain on the parent IRQ */
+                gpiochip_set_chained_irqchip(&at91_gpio->chip,
+                                             &gpio_irqchip,
+                                             at91_gpio->pioc_virq,
+                                             gpio_irq_handler);
                return 0;
+        }
-        /* Then register the chain on the parent IRQ */
+        prev = container_of(gpiochip_prev, struct at91_gpio_chip, chip);
-        gpiochip_set_chained_irqchip(&at91_gpio->chip,
-                                     &gpio_irqchip,
-                                     at91_gpio->pioc_virq,
-                                     gpio_irq_handler);
-        return 0;
+        /* we can only have 2 banks before */
+        for (i = 0; i < 2; i++) {
+                if (prev->next) {
+                        prev = prev->next;
+                } else {
+                        prev->next = at91_gpio;
+                        return 0;
+                }
+        }
+        return -EINVAL;
 }
 /* This structure is replicated for each GPIO block allocated at probe time */
@@ -1675,24 +1697,6 @@ static struct gpio_chip at91_gpio_template = {
        .ngpio                  = MAX_NB_GPIO_PER_BANK,
 };
-static void at91_gpio_probe_fixup(void)
-{
-        unsigned i;
-        struct at91_gpio_chip *at91_gpio, *last = NULL;
-        for (i = 0; i < gpio_banks; i++) {
-                at91_gpio = gpio_chips[i];
-                /*
-                 * GPIO controller are grouped on some SoC:
-                 * PIOC, PIOD and PIOE can share the same IRQ line
-                 */
-                if (last && last->pioc_virq == at91_gpio->pioc_virq)
-                        last->next = at91_gpio;
-                last = at91_gpio;
-        }
-}
 static struct of_device_id at91_gpio_of_match[] = {
        { .compatible = "atmel,at91sam9x5-gpio", .data = &at91sam9x5_ops, },
        { .compatible = "atmel,at91rm9200-gpio", .data = &at91rm9200_ops },
@@ -1805,8 +1809,6 @@ static int at91_gpio_probe(struct platform_device *pdev)
        gpio_chips[alias_idx] = at91_chip;
        gpio_banks = max(gpio_banks, alias_idx + 1);
-        at91_gpio_probe_fixup();
        ret = at91_gpio_of_irq_setup(pdev, at91_chip);
        if (ret)
                goto irq_setup_err;
diff --git a/drivers/scsi/device_handler/scsi_dh.c b/drivers/scsi/device_handler/scsi_dh.c
index 1dba62c5cf6a..1efebc9eedfb 100644
--- a/drivers/scsi/device_handler/scsi_dh.c
+++ b/drivers/scsi/device_handler/scsi_dh.c
@@ -136,11 +136,12 @@ static void __detach_handler (struct kref *kref)
        struct scsi_device_handler *scsi_dh = scsi_dh_data->scsi_dh;
        struct scsi_device *sdev = scsi_dh_data->sdev;
+        scsi_dh->detach(sdev);
        spin_lock_irq(sdev->request_queue->queue_lock);
        sdev->scsi_dh_data = NULL;
        spin_unlock_irq(sdev->request_queue->queue_lock);
-        scsi_dh->detach(sdev);
        sdev_printk(KERN_NOTICE, sdev, "%s: Detached\n", scsi_dh->name);
        module_put(scsi_dh->module);
 }
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 399516925d80..05ea0d49a3a3 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2800,9 +2800,11 @@ static int sd_revalidate_disk(struct gendisk *disk)
         */
        sd_set_flush_flag(sdkp);
-        max_xfer = min_not_zero(queue_max_hw_sectors(sdkp->disk->queue),
+        max_xfer = sdkp->max_xfer_blocks;
-                                sdkp->max_xfer_blocks);
        max_xfer <<= ilog2(sdp->sector_size) - 9;
+        max_xfer = min_not_zero(queue_max_hw_sectors(sdkp->disk->queue),
+                                max_xfer);
        blk_queue_max_hw_sectors(sdkp->disk->queue, max_xfer);
        set_capacity(disk, sdkp->capacity);
        sd_config_write_same(sdkp);
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index 4cda994d3f40..9b80d54d4ddb 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -342,8 +342,7 @@ static int dspi_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
        /* Only alloc on first setup */
        chip = spi_get_ctldata(spi);
        if (chip == NULL) {
-                chip = devm_kzalloc(&spi->dev, sizeof(struct chip_data),
+                chip = kzalloc(sizeof(struct chip_data), GFP_KERNEL);
-                                    GFP_KERNEL);
                if (!chip)
                        return -ENOMEM;
        }
@@ -382,6 +381,16 @@ static int dspi_setup(struct spi_device *spi)
        return dspi_setup_transfer(spi, NULL);
 }
+static void dspi_cleanup(struct spi_device *spi)
+{
+        struct chip_data *chip = spi_get_ctldata((struct spi_device *)spi);
+        dev_dbg(&spi->dev, "spi_device %u.%u cleanup\n",
+                        spi->master->bus_num, spi->chip_select);
+        kfree(chip);
+}
 static irqreturn_t dspi_interrupt(int irq, void *dev_id)
 {
        struct fsl_dspi *dspi = (struct fsl_dspi *)dev_id;
@@ -467,6 +476,7 @@ static int dspi_probe(struct platform_device *pdev)
        dspi->bitbang.master->setup = dspi_setup;
        dspi->bitbang.master->dev.of_node = pdev->dev.of_node;
+        master->cleanup = dspi_cleanup;
        master->mode_bits = SPI_CPOL | SPI_CPHA;
        master->bits_per_word_mask = SPI_BPW_MASK(4) | SPI_BPW_MASK(8) |
                                        SPI_BPW_MASK(16);
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index 961b97d43b43..fe1b7699fab6 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -823,6 +823,10 @@ static int spi_imx_sdma_init(struct device *dev, struct spi_imx_data *spi_imx,
        struct dma_slave_config slave_config = {};
        int ret;
+        /* use pio mode for i.mx6dl chip TKT238285 */
+        if (of_machine_is_compatible("fsl,imx6dl"))
+                return 0;
        /* Prepare for TX DMA: */
        master->dma_tx = dma_request_slave_channel(dev, "tx");
        if (!master->dma_tx) {
diff --git a/drivers/staging/lustre/lustre/llite/vvp_io.c b/drivers/staging/lustre/lustre/llite/vvp_io.c
index 930f6010203e..65d610abe06e 100644
--- a/drivers/staging/lustre/lustre/llite/vvp_io.c
+++ b/drivers/staging/lustre/lustre/llite/vvp_io.c
@@ -632,7 +632,7 @@ static int vvp_io_kernel_fault(struct vvp_fault_io *cfio)
                return 0;
        }
-        if (cfio->fault.ft_flags & VM_FAULT_SIGBUS) {
+        if (cfio->fault.ft_flags & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV)) {
                CDEBUG(D_PAGE, "got addr %p - SIGBUS\n", vmf->virtual_address);
                return -EFAULT;
        }
diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c
index 093535c6217b..120b70d72d79 100644
--- a/drivers/staging/nvec/nvec.c
+++ b/drivers/staging/nvec/nvec.c
@@ -85,23 +85,20 @@ static struct nvec_chip *nvec_power_handle;
 static const struct mfd_cell nvec_devices[] = {
        {
                .name = "nvec-kbd",
-                .id = 1,
        },
        {
                .name = "nvec-mouse",
-                .id = 1,
        },
        {
                .name = "nvec-power",
-                .id = 1,
+                .id = 0,
        },
        {
                .name = "nvec-power",
-                .id = 2,
+                .id = 1,
        },
        {
                .name = "nvec-paz00",
-                .id = 1,
        },
 };
@@ -891,7 +888,7 @@ static int tegra_nvec_probe(struct platform_device *pdev)
                nvec_msg_free(nvec, msg);
        }
-        ret = mfd_add_devices(nvec->dev, -1, nvec_devices,
+        ret = mfd_add_devices(nvec->dev, 0, nvec_devices,
                              ARRAY_SIZE(nvec_devices), NULL, 0, NULL);
        if (ret)
                dev_err(nvec->dev, "error adding subdevices\n");
diff --git a/drivers/usb/core/otg_whitelist.h b/drivers/usb/core/otg_whitelist.h
index de0c9c9d7091..a6315abe7b7c 100644
--- a/drivers/usb/core/otg_whitelist.h
+++ b/drivers/usb/core/otg_whitelist.h
@@ -55,6 +55,11 @@ static int is_targeted(struct usb_device *dev)
             le16_to_cpu(dev->descriptor.idProduct) == 0xbadd))
                return 0;
+        /* OTG PET device is always targeted (see OTG 2.0 ECN 6.4.2) */
+        if ((le16_to_cpu(dev->descriptor.idVendor) == 0x1a0a &&
+             le16_to_cpu(dev->descriptor.idProduct) == 0x0200))
+                return 1;
        /* NOTE: can't use usb_match_id() since interface caches
         * aren't set up yet. this is cut/paste from that code.
         */
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 0ffb4ed0a945..41e510ae8c83 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -179,6 +179,10 @@ static const struct usb_device_id usb_quirk_list[] = {
        { USB_DEVICE(0x0b05, 0x17e0), .driver_info =
                        USB_QUIRK_IGNORE_REMOTE_WAKEUP },
+        /* Protocol and OTG Electrical Test Device */
+        { USB_DEVICE(0x1a0a, 0x0200), .driver_info =
+                        USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
        { }  /* terminating entry must be last */
 };
diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c
index ad43c5bc1ef1..02e3e2d4ea56 100644
--- a/drivers/usb/dwc2/core_intr.c
+++ b/drivers/usb/dwc2/core_intr.c
@@ -476,13 +476,13 @@ irqreturn_t dwc2_handle_common_intr(int irq, void *dev)
        u32 gintsts;
        irqreturn_t retval = IRQ_NONE;
+        spin_lock(&hsotg->lock);
        if (!dwc2_is_controller_alive(hsotg)) {
                dev_warn(hsotg->dev, "Controller is dead\n");
                goto out;
        }
-        spin_lock(&hsotg->lock);
        gintsts = dwc2_read_common_intr(hsotg);
        if (gintsts & ~GINTSTS_PRTINT)
                retval = IRQ_HANDLED;
@@ -515,8 +515,8 @@ irqreturn_t dwc2_handle_common_intr(int irq, void *dev)
                }
        }
-        spin_unlock(&hsotg->lock);
 out:
+        spin_unlock(&hsotg->lock);
        return retval;
 }
 EXPORT_SYMBOL_GPL(dwc2_handle_common_intr);
diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c
index ccfdfb24b240..2f9735b35338 100644
--- a/drivers/usb/phy/phy.c
+++ b/drivers/usb/phy/phy.c
@@ -34,7 +34,7 @@ static struct usb_phy *__usb_find_phy(struct list_head *list,
                return phy;
        }
-        return ERR_PTR(-EPROBE_DEFER);
+        return ERR_PTR(-ENODEV);
 }
 static struct usb_phy *__usb_find_phy_dev(struct device *dev,
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 11c7a9676441..d684b4b8108f 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -507,7 +507,7 @@ UNUSUAL_DEV(  0x04e6, 0x000c, 0x0100, 0x0100,
 UNUSUAL_DEV(  0x04e6, 0x000f, 0x0000, 0x9999,
                "SCM Microsystems",
                "eUSB SCSI Adapter (Bus Powered)",
-                USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_euscsi_init,
+                USB_SC_SCSI, USB_PR_BULK, usb_stor_euscsi_init,
                US_FL_SCM_MULT_TARG ),
 UNUSUAL_DEV(  0x04e6, 0x0101, 0x0200, 0x0200,
@@ -1995,6 +1995,13 @@ UNUSUAL_DEV(  0x152d, 0x2329, 0x0100, 0x0100,
                USB_SC_DEVICE, USB_PR_DEVICE, NULL,
                US_FL_IGNORE_RESIDUE | US_FL_SANE_SENSE ),
+/* Reported by Dmitry Nezhevenko <dion@dion.org.ua> */
+UNUSUAL_DEV(  0x152d, 0x2566, 0x0114, 0x0114,
+                "JMicron",
+                "USB to ATA/ATAPI Bridge",
+                USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+                US_FL_BROKEN_FUA ),
 /* Entrega Technologies U1-SC25 (later Xircom PortGear PGSCSI)
 * and Mac USB Dock USB-SCSI */
 UNUSUAL_DEV(  0x1645, 0x0007, 0x0100, 0x0133,
diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
index 6df4357d9ee3..dbc00e56c7f5 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -140,3 +140,10 @@ UNUSUAL_DEV(0x4971, 0x1012, 0x0000, 0x9999,
                "External HDD",
                USB_SC_DEVICE, USB_PR_DEVICE, NULL,
                US_FL_IGNORE_UAS),
+/* Reported-by: Richard Henderson <rth@redhat.com> */
+UNUSUAL_DEV(0x4971, 0x8017, 0x0000, 0x9999,
+                "SimpleTech",
+                "External HDD",
+                USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+                US_FL_NO_REPORT_OPCODES),
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index e022cc40303d..8dccca9013ed 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -528,9 +528,9 @@ static void handle_rx(struct vhost_net *net)
                .msg_controllen = 0,
                .msg_flags = MSG_DONTWAIT,
        };
-        struct virtio_net_hdr hdr = {
+        struct virtio_net_hdr_mrg_rxbuf hdr = {
-                .flags = 0,
+                .hdr.flags = 0,
-                .gso_type = VIRTIO_NET_HDR_GSO_NONE
+                .hdr.gso_type = VIRTIO_NET_HDR_GSO_NONE
        };
        size_t total_len = 0;
        int err, mergeable;
@@ -614,11 +614,11 @@ static void handle_rx(struct vhost_net *net)
                               vq->iov->iov_base);
                        break;
                }
-                /* Supply (or replace) ->num_buffers if VIRTIO_NET_F_MRG_RXBUF
+                /* TODO: Should check and handle checksum. */
-                 * TODO: Should check and handle checksum.
-                 */
+                hdr.num_buffers = cpu_to_vhost16(vq, headcount);
                if (likely(mergeable) &&
-                    copy_to_iter(&headcount, 2, &fixup) != 2) {
+                    copy_to_iter(&hdr.num_buffers, 2, &fixup) != 2) {
                        vq_err(vq, "Failed num_buffers write");
                        vhost_discard_vq_desc(vq, headcount);
                        break;
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 2f0fbc374e87..e427cb7ee12c 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -3065,6 +3065,8 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
        path->search_commit_root = 1;
        path->skip_locking = 1;
+        ppath->search_commit_root = 1;
+        ppath->skip_locking = 1;
        /*
         * trigger the readahead for extent tree csum tree and wait for
         * completion. During readahead, the scrub is officially paused
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index 9c56ef776407..7febcf2475c5 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -606,9 +606,11 @@ cifs_security_flags_handle_must_flags(unsigned int *flags)
                *flags = CIFSSEC_MUST_NTLMV2;
        else if ((*flags & CIFSSEC_MUST_NTLM) == CIFSSEC_MUST_NTLM)
                *flags = CIFSSEC_MUST_NTLM;
-        else if ((*flags & CIFSSEC_MUST_LANMAN) == CIFSSEC_MUST_LANMAN)
+        else if (CIFSSEC_MUST_LANMAN &&
+                 (*flags & CIFSSEC_MUST_LANMAN) == CIFSSEC_MUST_LANMAN)
                *flags = CIFSSEC_MUST_LANMAN;
-        else if ((*flags & CIFSSEC_MUST_PLNTXT) == CIFSSEC_MUST_PLNTXT)
+        else if (CIFSSEC_MUST_PLNTXT &&
+                 (*flags & CIFSSEC_MUST_PLNTXT) == CIFSSEC_MUST_PLNTXT)
                *flags = CIFSSEC_MUST_PLNTXT;
        *flags |= signflags;
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 96b7e9b7706d..74f12877493a 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -366,6 +366,7 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
        struct cifsLockInfo *li, *tmp;
        struct cifs_fid fid;
        struct cifs_pending_open open;
+        bool oplock_break_cancelled;
        spin_lock(&cifs_file_list_lock);
        if (--cifs_file->count > 0) {
@@ -397,7 +398,7 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
        }
        spin_unlock(&cifs_file_list_lock);
-        cancel_work_sync(&cifs_file->oplock_break);
+        oplock_break_cancelled = cancel_work_sync(&cifs_file->oplock_break);
        if (!tcon->need_reconnect && !cifs_file->invalidHandle) {
                struct TCP_Server_Info *server = tcon->ses->server;
@@ -409,6 +410,9 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
                _free_xid(xid);
        }
+        if (oplock_break_cancelled)
+                cifs_done_oplock_break(cifsi);
        cifs_del_pending_open(&open);
        /*
diff --git a/fs/cifs/smbencrypt.c b/fs/cifs/smbencrypt.c
index 6c1566366a66..a4232ec4f2ba 100644
--- a/fs/cifs/smbencrypt.c
+++ b/fs/cifs/smbencrypt.c
@@ -221,7 +221,7 @@ E_md4hash(const unsigned char *passwd, unsigned char *p16,
        }
        rc = mdfour(p16, (unsigned char *) wpwd, len * sizeof(__le16));
-        memset(wpwd, 0, 129 * sizeof(__le16));
+        memzero_explicit(wpwd, sizeof(wpwd));
        return rc;
 }
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index c8b148bbdc8b..3e193cb36996 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -667,7 +667,7 @@ static void do_qc(struct gfs2_quota_data *qd, s64 change)
 static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc,
                             s64 change, struct gfs2_quota_data *qd,
-                             struct fs_disk_quota *fdq)
+                             struct qc_dqblk *fdq)
 {
        struct inode *inode = &ip->i_inode;
        struct gfs2_sbd *sdp = GFS2_SB(inode);
@@ -697,16 +697,16 @@ static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc,
        be64_add_cpu(&q.qu_value, change);
        qd->qd_qb.qb_value = q.qu_value;
        if (fdq) {
-                if (fdq->d_fieldmask & FS_DQ_BSOFT) {
+                if (fdq->d_fieldmask & QC_SPC_SOFT) {
-                        q.qu_warn = cpu_to_be64(fdq->d_blk_softlimit >> sdp->sd_fsb2bb_shift);
+                        q.qu_warn = cpu_to_be64(fdq->d_spc_softlimit >> sdp->sd_sb.sb_bsize_shift);
                        qd->qd_qb.qb_warn = q.qu_warn;
                }
-                if (fdq->d_fieldmask & FS_DQ_BHARD) {
+                if (fdq->d_fieldmask & QC_SPC_HARD) {
-                        q.qu_limit = cpu_to_be64(fdq->d_blk_hardlimit >> sdp->sd_fsb2bb_shift);
+                        q.qu_limit = cpu_to_be64(fdq->d_spc_hardlimit >> sdp->sd_sb.sb_bsize_shift);
                        qd->qd_qb.qb_limit = q.qu_limit;
                }
-                if (fdq->d_fieldmask & FS_DQ_BCOUNT) {
+                if (fdq->d_fieldmask & QC_SPACE) {
-                        q.qu_value = cpu_to_be64(fdq->d_bcount >> sdp->sd_fsb2bb_shift);
+                        q.qu_value = cpu_to_be64(fdq->d_space >> sdp->sd_sb.sb_bsize_shift);
                        qd->qd_qb.qb_value = q.qu_value;
                }
        }
@@ -1497,7 +1497,7 @@ static int gfs2_quota_get_xstate(struct super_block *sb,
 }
 static int gfs2_get_dqblk(struct super_block *sb, struct kqid qid,
-                          struct fs_disk_quota *fdq)
+                          struct qc_dqblk *fdq)
 {
        struct gfs2_sbd *sdp = sb->s_fs_info;
        struct gfs2_quota_lvb *qlvb;
@@ -1505,7 +1505,7 @@ static int gfs2_get_dqblk(struct super_block *sb, struct kqid qid,
        struct gfs2_holder q_gh;
        int error;
-        memset(fdq, 0, sizeof(struct fs_disk_quota));
+        memset(fdq, 0, sizeof(*fdq));
        if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF)
                return -ESRCH; /* Crazy XFS error code */
@@ -1522,12 +1522,9 @@ static int gfs2_get_dqblk(struct super_block *sb, struct kqid qid,
                goto out;
        qlvb = (struct gfs2_quota_lvb *)qd->qd_gl->gl_lksb.sb_lvbptr;
-        fdq->d_version = FS_DQUOT_VERSION;
+        fdq->d_spc_hardlimit = be64_to_cpu(qlvb->qb_limit) << sdp->sd_sb.sb_bsize_shift;
-        fdq->d_flags = (qid.type == USRQUOTA) ? FS_USER_QUOTA : FS_GROUP_QUOTA;
+        fdq->d_spc_softlimit = be64_to_cpu(qlvb->qb_warn) << sdp->sd_sb.sb_bsize_shift;
-        fdq->d_id = from_kqid_munged(current_user_ns(), qid);
+        fdq->d_space = be64_to_cpu(qlvb->qb_value) << sdp->sd_sb.sb_bsize_shift;
-        fdq->d_blk_hardlimit = be64_to_cpu(qlvb->qb_limit) << sdp->sd_fsb2bb_shift;
-        fdq->d_blk_softlimit = be64_to_cpu(qlvb->qb_warn) << sdp->sd_fsb2bb_shift;
-        fdq->d_bcount = be64_to_cpu(qlvb->qb_value) << sdp->sd_fsb2bb_shift;
        gfs2_glock_dq_uninit(&q_gh);
 out:
@@ -1536,10 +1533,10 @@ out:
 }
 /* GFS2 only supports a subset of the XFS fields */
-#define GFS2_FIELDMASK (FS_DQ_BSOFT|FS_DQ_BHARD|FS_DQ_BCOUNT)
+#define GFS2_FIELDMASK (QC_SPC_SOFT|QC_SPC_HARD|QC_SPACE)
 static int gfs2_set_dqblk(struct super_block *sb, struct kqid qid,
-                          struct fs_disk_quota *fdq)
+                          struct qc_dqblk *fdq)
 {
        struct gfs2_sbd *sdp = sb->s_fs_info;
        struct gfs2_inode *ip = GFS2_I(sdp->sd_quota_inode);
@@ -1583,17 +1580,17 @@ static int gfs2_set_dqblk(struct super_block *sb, struct kqid qid,
                goto out_i;
        /* If nothing has changed, this is a no-op */
-        if ((fdq->d_fieldmask & FS_DQ_BSOFT) &&
+        if ((fdq->d_fieldmask & QC_SPC_SOFT) &&
-            ((fdq->d_blk_softlimit >> sdp->sd_fsb2bb_shift) == be64_to_cpu(qd->qd_qb.qb_warn)))
+            ((fdq->d_spc_softlimit >> sdp->sd_sb.sb_bsize_shift) == be64_to_cpu(qd->qd_qb.qb_warn)))
-                fdq->d_fieldmask ^= FS_DQ_BSOFT;
+                fdq->d_fieldmask ^= QC_SPC_SOFT;
-        if ((fdq->d_fieldmask & FS_DQ_BHARD) &&
+        if ((fdq->d_fieldmask & QC_SPC_HARD) &&
-            ((fdq->d_blk_hardlimit >> sdp->sd_fsb2bb_shift) == be64_to_cpu(qd->qd_qb.qb_limit)))
+            ((fdq->d_spc_hardlimit >> sdp->sd_sb.sb_bsize_shift) == be64_to_cpu(qd->qd_qb.qb_limit)))
-                fdq->d_fieldmask ^= FS_DQ_BHARD;
+                fdq->d_fieldmask ^= QC_SPC_HARD;
-        if ((fdq->d_fieldmask & FS_DQ_BCOUNT) &&
+        if ((fdq->d_fieldmask & QC_SPACE) &&
-            ((fdq->d_bcount >> sdp->sd_fsb2bb_shift) == be64_to_cpu(qd->qd_qb.qb_value)))
+            ((fdq->d_space >> sdp->sd_sb.sb_bsize_shift) == be64_to_cpu(qd->qd_qb.qb_value)))
-                fdq->d_fieldmask ^= FS_DQ_BCOUNT;
+                fdq->d_fieldmask ^= QC_SPACE;
        if (fdq->d_fieldmask == 0)
                goto out_i;
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 10bf07280f4a..294692ff83b1 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -212,6 +212,12 @@ static int nfs_direct_cmp_commit_data_verf(struct nfs_direct_req *dreq,
 */
 ssize_t nfs_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter, loff_t pos)
 {
+        struct inode *inode = iocb->ki_filp->f_mapping->host;
+        /* we only support swap file calling nfs_direct_IO */
+        if (!IS_SWAPFILE(inode))
+                return 0;
 #ifndef CONFIG_NFS_SWAP
        dprintk("NFS: nfs_direct_IO (%pD) off/no(%Ld/%lu) EINVAL\n",
                        iocb->ki_filp, (long long) pos, iter->nr_segs);
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 4bffe637ea32..2211f6ba8736 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -352,8 +352,9 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr, st
        nfs_attr_check_mountpoint(sb, fattr);
-        if (((fattr->valid & NFS_ATTR_FATTR_FILEID) == 0) &&
+        if (nfs_attr_use_mounted_on_fileid(fattr))
-            !nfs_attr_use_mounted_on_fileid(fattr))
+                fattr->fileid = fattr->mounted_on_fileid;
+        else if ((fattr->valid & NFS_ATTR_FATTR_FILEID) == 0)
                goto out_no_inode;
        if ((fattr->valid & NFS_ATTR_FATTR_TYPE) == 0)
                goto out_no_inode;
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index efaa31c70fbe..b6f34bfa6fe8 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -31,8 +31,6 @@ static inline int nfs_attr_use_mounted_on_fileid(struct nfs_fattr *fattr)
            (((fattr->valid & NFS_ATTR_FATTR_MOUNTPOINT) == 0) &&
             ((fattr->valid & NFS_ATTR_FATTR_V4_REFERRAL) == 0)))
                return 0;
-        fattr->fileid = fattr->mounted_on_fileid;
        return 1;
 }
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 953daa44a282..706ad10b8186 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -639,7 +639,7 @@ int nfs41_walk_client_list(struct nfs_client *new,
                        prev = pos;
                        status = nfs_wait_client_init_complete(pos);
-                        if (status == 0) {
+                        if (pos->cl_cons_state == NFS_CS_SESSION_INITING) {
                                nfs4_schedule_lease_recovery(pos);
                                status = nfs4_wait_clnt_recover(pos);
                        }
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 8f0acef3d184..69df5b239844 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -2396,30 +2396,25 @@ static inline qsize_t stoqb(qsize_t space)
 }
 /* Generic routine for getting common part of quota structure */
-static void do_get_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
+static void do_get_dqblk(struct dquot *dquot, struct qc_dqblk *di)
 {
        struct mem_dqblk *dm = &dquot->dq_dqb;
        memset(di, 0, sizeof(*di));
-        di->d_version = FS_DQUOT_VERSION;
-        di->d_flags = dquot->dq_id.type == USRQUOTA ?
-                        FS_USER_QUOTA : FS_GROUP_QUOTA;
-        di->d_id = from_kqid_munged(current_user_ns(), dquot->dq_id);
        spin_lock(&dq_data_lock);
-        di->d_blk_hardlimit = stoqb(dm->dqb_bhardlimit);
+        di->d_spc_hardlimit = dm->dqb_bhardlimit;
-        di->d_blk_softlimit = stoqb(dm->dqb_bsoftlimit);
+        di->d_spc_softlimit = dm->dqb_bsoftlimit;
        di->d_ino_hardlimit = dm->dqb_ihardlimit;
        di->d_ino_softlimit = dm->dqb_isoftlimit;
-        di->d_bcount = dm->dqb_curspace + dm->dqb_rsvspace;
+        di->d_space = dm->dqb_curspace + dm->dqb_rsvspace;
-        di->d_icount = dm->dqb_curinodes;
+        di->d_ino_count = dm->dqb_curinodes;
-        di->d_btimer = dm->dqb_btime;
+        di->d_spc_timer = dm->dqb_btime;
-        di->d_itimer = dm->dqb_itime;
+        di->d_ino_timer = dm->dqb_itime;
        spin_unlock(&dq_data_lock);
 }
 int dquot_get_dqblk(struct super_block *sb, struct kqid qid,
-                    struct fs_disk_quota *di)
+                    struct qc_dqblk *di)
 {
        struct dquot *dquot;
@@ -2433,70 +2428,70 @@ int dquot_get_dqblk(struct super_block *sb, struct kqid qid,
 }
 EXPORT_SYMBOL(dquot_get_dqblk);
-#define VFS_FS_DQ_MASK \
+#define VFS_QC_MASK \
-        (FS_DQ_BCOUNT | FS_DQ_BSOFT | FS_DQ_BHARD | \
+        (QC_SPACE | QC_SPC_SOFT | QC_SPC_HARD | \
-         FS_DQ_ICOUNT | FS_DQ_ISOFT | FS_DQ_IHARD | \
+         QC_INO_COUNT | QC_INO_SOFT | QC_INO_HARD | \
-         FS_DQ_BTIMER | FS_DQ_ITIMER)
+         QC_SPC_TIMER | QC_INO_TIMER)
 /* Generic routine for setting common part of quota structure */
-static int do_set_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
+static int do_set_dqblk(struct dquot *dquot, struct qc_dqblk *di)
 {
        struct mem_dqblk *dm = &dquot->dq_dqb;
        int check_blim = 0, check_ilim = 0;
        struct mem_dqinfo *dqi = &sb_dqopt(dquot->dq_sb)->info[dquot->dq_id.type];
-        if (di->d_fieldmask & ~VFS_FS_DQ_MASK)
+        if (di->d_fieldmask & ~VFS_QC_MASK)
                return -EINVAL;
-        if (((di->d_fieldmask & FS_DQ_BSOFT) &&
+        if (((di->d_fieldmask & QC_SPC_SOFT) &&
-             (di->d_blk_softlimit > dqi->dqi_maxblimit)) ||
+             stoqb(di->d_spc_softlimit) > dqi->dqi_maxblimit) ||
-            ((di->d_fieldmask & FS_DQ_BHARD) &&
+            ((di->d_fieldmask & QC_SPC_HARD) &&
-             (di->d_blk_hardlimit > dqi->dqi_maxblimit)) ||
+             stoqb(di->d_spc_hardlimit) > dqi->dqi_maxblimit) ||
-            ((di->d_fieldmask & FS_DQ_ISOFT) &&
+            ((di->d_fieldmask & QC_INO_SOFT) &&
             (di->d_ino_softlimit > dqi->dqi_maxilimit)) ||
-            ((di->d_fieldmask & FS_DQ_IHARD) &&
+            ((di->d_fieldmask & QC_INO_HARD) &&
             (di->d_ino_hardlimit > dqi->dqi_maxilimit)))
                return -ERANGE;
        spin_lock(&dq_data_lock);
-        if (di->d_fieldmask & FS_DQ_BCOUNT) {
+        if (di->d_fieldmask & QC_SPACE) {
-                dm->dqb_curspace = di->d_bcount - dm->dqb_rsvspace;
+                dm->dqb_curspace = di->d_space - dm->dqb_rsvspace;
                check_blim = 1;
                set_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags);
        }
-        if (di->d_fieldmask & FS_DQ_BSOFT)
+        if (di->d_fieldmask & QC_SPC_SOFT)
-                dm->dqb_bsoftlimit = qbtos(di->d_blk_softlimit);
+                dm->dqb_bsoftlimit = di->d_spc_softlimit;
-        if (di->d_fieldmask & FS_DQ_BHARD)
+        if (di->d_fieldmask & QC_SPC_HARD)
-                dm->dqb_bhardlimit = qbtos(di->d_blk_hardlimit);
+                dm->dqb_bhardlimit = di->d_spc_hardlimit;
-        if (di->d_fieldmask & (FS_DQ_BSOFT | FS_DQ_BHARD)) {
+        if (di->d_fieldmask & (QC_SPC_SOFT | QC_SPC_HARD)) {
                check_blim = 1;
                set_bit(DQ_LASTSET_B + QIF_BLIMITS_B, &dquot->dq_flags);
        }
-        if (di->d_fieldmask & FS_DQ_ICOUNT) {
+        if (di->d_fieldmask & QC_INO_COUNT) {
-                dm->dqb_curinodes = di->d_icount;
+                dm->dqb_curinodes = di->d_ino_count;
                check_ilim = 1;
                set_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags);
        }
-        if (di->d_fieldmask & FS_DQ_ISOFT)
+        if (di->d_fieldmask & QC_INO_SOFT)
                dm->dqb_isoftlimit = di->d_ino_softlimit;
-        if (di->d_fieldmask & FS_DQ_IHARD)
+        if (di->d_fieldmask & QC_INO_HARD)
                dm->dqb_ihardlimit = di->d_ino_hardlimit;
-        if (di->d_fieldmask & (FS_DQ_ISOFT | FS_DQ_IHARD)) {
+        if (di->d_fieldmask & (QC_INO_SOFT | QC_INO_HARD)) {
                check_ilim = 1;
                set_bit(DQ_LASTSET_B + QIF_ILIMITS_B, &dquot->dq_flags);
        }
-        if (di->d_fieldmask & FS_DQ_BTIMER) {
+        if (di->d_fieldmask & QC_SPC_TIMER) {
-                dm->dqb_btime = di->d_btimer;
+                dm->dqb_btime = di->d_spc_timer;
                check_blim = 1;
                set_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags);
        }
-        if (di->d_fieldmask & FS_DQ_ITIMER) {
+        if (di->d_fieldmask & QC_INO_TIMER) {
-                dm->dqb_itime = di->d_itimer;
+                dm->dqb_itime = di->d_ino_timer;
                check_ilim = 1;
                set_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags);
        }
@@ -2506,7 +2501,7 @@ static int do_set_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
                    dm->dqb_curspace < dm->dqb_bsoftlimit) {
                        dm->dqb_btime = 0;
                        clear_bit(DQ_BLKS_B, &dquot->dq_flags);
-                } else if (!(di->d_fieldmask & FS_DQ_BTIMER))
+                } else if (!(di->d_fieldmask & QC_SPC_TIMER))
                        /* Set grace only if user hasn't provided his own... */
                        dm->dqb_btime = get_seconds() + dqi->dqi_bgrace;
        }
@@ -2515,7 +2510,7 @@ static int do_set_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
                    dm->dqb_curinodes < dm->dqb_isoftlimit) {
                        dm->dqb_itime = 0;
                        clear_bit(DQ_INODES_B, &dquot->dq_flags);
-                } else if (!(di->d_fieldmask & FS_DQ_ITIMER))
+                } else if (!(di->d_fieldmask & QC_INO_TIMER))
                        /* Set grace only if user hasn't provided his own... */
                        dm->dqb_itime = get_seconds() + dqi->dqi_igrace;
        }
@@ -2531,7 +2526,7 @@ static int do_set_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
 }
 int dquot_set_dqblk(struct super_block *sb, struct kqid qid,
-                  struct fs_disk_quota *di)
+                  struct qc_dqblk *di)
 {
        struct dquot *dquot;
        int rc;
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index 2aa4151f99d2..6f3856328eea 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -118,17 +118,27 @@ static int quota_setinfo(struct super_block *sb, int type, void __user *addr)
        return sb->s_qcop->set_info(sb, type, &info);
 }
-static void copy_to_if_dqblk(struct if_dqblk *dst, struct fs_disk_quota *src)
+static inline qsize_t qbtos(qsize_t blocks)
+{
+        return blocks << QIF_DQBLKSIZE_BITS;
+}
+static inline qsize_t stoqb(qsize_t space)
+{
+        return (space + QIF_DQBLKSIZE - 1) >> QIF_DQBLKSIZE_BITS;
+}
+static void copy_to_if_dqblk(struct if_dqblk *dst, struct qc_dqblk *src)
 {
        memset(dst, 0, sizeof(*dst));
-        dst->dqb_bhardlimit = src->d_blk_hardlimit;
+        dst->dqb_bhardlimit = stoqb(src->d_spc_hardlimit);
-        dst->dqb_bsoftlimit = src->d_blk_softlimit;
+        dst->dqb_bsoftlimit = stoqb(src->d_spc_softlimit);
-        dst->dqb_curspace = src->d_bcount;
+        dst->dqb_curspace = src->d_space;
        dst->dqb_ihardlimit = src->d_ino_hardlimit;
        dst->dqb_isoftlimit = src->d_ino_softlimit;
-        dst->dqb_curinodes = src->d_icount;
+        dst->dqb_curinodes = src->d_ino_count;
-        dst->dqb_btime = src->d_btimer;
+        dst->dqb_btime = src->d_spc_timer;
-        dst->dqb_itime = src->d_itimer;
+        dst->dqb_itime = src->d_ino_timer;
        dst->dqb_valid = QIF_ALL;
 }
@@ -136,7 +146,7 @@ static int quota_getquota(struct super_block *sb, int type, qid_t id,
                          void __user *addr)
 {
        struct kqid qid;
-        struct fs_disk_quota fdq;
+        struct qc_dqblk fdq;
        struct if_dqblk idq;
        int ret;
@@ -154,36 +164,36 @@ static int quota_getquota(struct super_block *sb, int type, qid_t id,
        return 0;
 }
-static void copy_from_if_dqblk(struct fs_disk_quota *dst, struct if_dqblk *src)
+static void copy_from_if_dqblk(struct qc_dqblk *dst, struct if_dqblk *src)
 {
-        dst->d_blk_hardlimit = src->dqb_bhardlimit;
+        dst->d_spc_hardlimit = qbtos(src->dqb_bhardlimit);
-        dst->d_blk_softlimit  = src->dqb_bsoftlimit;
+        dst->d_spc_softlimit = qbtos(src->dqb_bsoftlimit);
-        dst->d_bcount = src->dqb_curspace;
+        dst->d_space = src->dqb_curspace;
        dst->d_ino_hardlimit = src->dqb_ihardlimit;
        dst->d_ino_softlimit = src->dqb_isoftlimit;
-        dst->d_icount = src->dqb_curinodes;
+        dst->d_ino_count = src->dqb_curinodes;
-        dst->d_btimer = src->dqb_btime;
+        dst->d_spc_timer = src->dqb_btime;
-        dst->d_itimer = src->dqb_itime;
+        dst->d_ino_timer = src->dqb_itime;
        dst->d_fieldmask = 0;
        if (src->dqb_valid & QIF_BLIMITS)
-                dst->d_fieldmask |= FS_DQ_BSOFT | FS_DQ_BHARD;
+                dst->d_fieldmask |= QC_SPC_SOFT | QC_SPC_HARD;
        if (src->dqb_valid & QIF_SPACE)
-                dst->d_fieldmask |= FS_DQ_BCOUNT;
+                dst->d_fieldmask |= QC_SPACE;
        if (src->dqb_valid & QIF_ILIMITS)
-                dst->d_fieldmask |= FS_DQ_ISOFT | FS_DQ_IHARD;
+                dst->d_fieldmask |= QC_INO_SOFT | QC_INO_HARD;
        if (src->dqb_valid & QIF_INODES)
-                dst->d_fieldmask |= FS_DQ_ICOUNT;
+                dst->d_fieldmask |= QC_INO_COUNT;
        if (src->dqb_valid & QIF_BTIME)
-                dst->d_fieldmask |= FS_DQ_BTIMER;
+                dst->d_fieldmask |= QC_SPC_TIMER;
        if (src->dqb_valid & QIF_ITIME)
-                dst->d_fieldmask |= FS_DQ_ITIMER;
+                dst->d_fieldmask |= QC_INO_TIMER;
 }
 static int quota_setquota(struct super_block *sb, int type, qid_t id,
                          void __user *addr)
 {
-        struct fs_disk_quota fdq;
+        struct qc_dqblk fdq;
        struct if_dqblk idq;
        struct kqid qid;
@@ -247,10 +257,78 @@ static int quota_getxstatev(struct super_block *sb, void __user *addr)
        return ret;
 }
+/*
+ * XFS defines BBTOB and BTOBB macros inside fs/xfs/ and we cannot move them
+ * out of there as xfsprogs rely on definitions being in that header file. So
+ * just define same functions here for quota purposes.
+ */
+#define XFS_BB_SHIFT 9
+static inline u64 quota_bbtob(u64 blocks)
+{
+        return blocks << XFS_BB_SHIFT;
+}
+static inline u64 quota_btobb(u64 bytes)
+{
+        return (bytes + (1 << XFS_BB_SHIFT) - 1) >> XFS_BB_SHIFT;
+}
+static void copy_from_xfs_dqblk(struct qc_dqblk *dst, struct fs_disk_quota *src)
+{
+        dst->d_spc_hardlimit = quota_bbtob(src->d_blk_hardlimit);
+        dst->d_spc_softlimit = quota_bbtob(src->d_blk_softlimit);
+        dst->d_ino_hardlimit = src->d_ino_hardlimit;
+        dst->d_ino_softlimit = src->d_ino_softlimit;
+        dst->d_space = quota_bbtob(src->d_bcount);
+        dst->d_ino_count = src->d_icount;
+        dst->d_ino_timer = src->d_itimer;
+        dst->d_spc_timer = src->d_btimer;
+        dst->d_ino_warns = src->d_iwarns;
+        dst->d_spc_warns = src->d_bwarns;
+        dst->d_rt_spc_hardlimit = quota_bbtob(src->d_rtb_hardlimit);
+        dst->d_rt_spc_softlimit = quota_bbtob(src->d_rtb_softlimit);
+        dst->d_rt_space = quota_bbtob(src->d_rtbcount);
+        dst->d_rt_spc_timer = src->d_rtbtimer;
+        dst->d_rt_spc_warns = src->d_rtbwarns;
+        dst->d_fieldmask = 0;
+        if (src->d_fieldmask & FS_DQ_ISOFT)
+                dst->d_fieldmask |= QC_INO_SOFT;
+        if (src->d_fieldmask & FS_DQ_IHARD)
+                dst->d_fieldmask |= QC_INO_HARD;
+        if (src->d_fieldmask & FS_DQ_BSOFT)
+                dst->d_fieldmask |= QC_SPC_SOFT;
+        if (src->d_fieldmask & FS_DQ_BHARD)
+                dst->d_fieldmask |= QC_SPC_HARD;
+        if (src->d_fieldmask & FS_DQ_RTBSOFT)
+                dst->d_fieldmask |= QC_RT_SPC_SOFT;
+        if (src->d_fieldmask & FS_DQ_RTBHARD)
+                dst->d_fieldmask |= QC_RT_SPC_HARD;
+        if (src->d_fieldmask & FS_DQ_BTIMER)
+                dst->d_fieldmask |= QC_SPC_TIMER;
+        if (src->d_fieldmask & FS_DQ_ITIMER)
+                dst->d_fieldmask |= QC_INO_TIMER;
+        if (src->d_fieldmask & FS_DQ_RTBTIMER)
+                dst->d_fieldmask |= QC_RT_SPC_TIMER;
+        if (src->d_fieldmask & FS_DQ_BWARNS)
+                dst->d_fieldmask |= QC_SPC_WARNS;
+        if (src->d_fieldmask & FS_DQ_IWARNS)
+                dst->d_fieldmask |= QC_INO_WARNS;
+        if (src->d_fieldmask & FS_DQ_RTBWARNS)
+                dst->d_fieldmask |= QC_RT_SPC_WARNS;
+        if (src->d_fieldmask & FS_DQ_BCOUNT)
+                dst->d_fieldmask |= QC_SPACE;
+        if (src->d_fieldmask & FS_DQ_ICOUNT)
+                dst->d_fieldmask |= QC_INO_COUNT;
+        if (src->d_fieldmask & FS_DQ_RTBCOUNT)
+                dst->d_fieldmask |= QC_RT_SPACE;
+}
 static int quota_setxquota(struct super_block *sb, int type, qid_t id,
                           void __user *addr)
 {
        struct fs_disk_quota fdq;
+        struct qc_dqblk qdq;
        struct kqid qid;
        if (copy_from_user(&fdq, addr, sizeof(fdq)))
@@ -260,13 +338,44 @@ static int quota_setxquota(struct super_block *sb, int type, qid_t id,
        qid = make_kqid(current_user_ns(), type, id);
        if (!qid_valid(qid))
                return -EINVAL;
-        return sb->s_qcop->set_dqblk(sb, qid, &fdq);
+        copy_from_xfs_dqblk(&qdq, &fdq);
+        return sb->s_qcop->set_dqblk(sb, qid, &qdq);
+}
+static void copy_to_xfs_dqblk(struct fs_disk_quota *dst, struct qc_dqblk *src,
+                              int type, qid_t id)
+{
+        memset(dst, 0, sizeof(*dst));
+        dst->d_version = FS_DQUOT_VERSION;
+        dst->d_id = id;
+        if (type == USRQUOTA)
+                dst->d_flags = FS_USER_QUOTA;
+        else if (type == PRJQUOTA)
+                dst->d_flags = FS_PROJ_QUOTA;
+        else
+                dst->d_flags = FS_GROUP_QUOTA;
+        dst->d_blk_hardlimit = quota_btobb(src->d_spc_hardlimit);
+        dst->d_blk_softlimit = quota_btobb(src->d_spc_softlimit);
+        dst->d_ino_hardlimit = src->d_ino_hardlimit;
+        dst->d_ino_softlimit = src->d_ino_softlimit;
+        dst->d_bcount = quota_btobb(src->d_space);
+        dst->d_icount = src->d_ino_count;
+        dst->d_itimer = src->d_ino_timer;
+        dst->d_btimer = src->d_spc_timer;
+        dst->d_iwarns = src->d_ino_warns;
+        dst->d_bwarns = src->d_spc_warns;
+        dst->d_rtb_hardlimit = quota_btobb(src->d_rt_spc_hardlimit);
+        dst->d_rtb_softlimit = quota_btobb(src->d_rt_spc_softlimit);
+        dst->d_rtbcount = quota_btobb(src->d_rt_space);
+        dst->d_rtbtimer = src->d_rt_spc_timer;
+        dst->d_rtbwarns = src->d_rt_spc_warns;
 }
 static int quota_getxquota(struct super_block *sb, int type, qid_t id,
                           void __user *addr)
 {
        struct fs_disk_quota fdq;
+        struct qc_dqblk qdq;
        struct kqid qid;
        int ret;
@@ -275,8 +384,11 @@ static int quota_getxquota(struct super_block *sb, int type, qid_t id,
        qid = make_kqid(current_user_ns(), type, id);
        if (!qid_valid(qid))
                return -EINVAL;
-        ret = sb->s_qcop->get_dqblk(sb, qid, &fdq);
+        ret = sb->s_qcop->get_dqblk(sb, qid, &qdq);
-        if (!ret && copy_to_user(addr, &fdq, sizeof(fdq)))
+        if (ret)
+                return ret;
+        copy_to_xfs_dqblk(&fdq, &qdq, type, id);
+        if (copy_to_user(addr, &fdq, sizeof(fdq)))
                return -EFAULT;
        return ret;
 }
diff --git a/fs/udf/file.c b/fs/udf/file.c
index bb15771b92ae..08f3555fbeac 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -224,7 +224,7 @@ out:
 static int udf_release_file(struct inode *inode, struct file *filp)
 {
        if (filp->f_mode & FMODE_WRITE &&
-            atomic_read(&inode->i_writecount) > 1) {
+            atomic_read(&inode->i_writecount) == 1) {
                /*
                 * Grab i_mutex to avoid races with writes changing i_size
                 * while we are running.
diff --git a/fs/xfs/xfs_qm.h b/fs/xfs/xfs_qm.h
index 3a07a937e232..41f6c0b9d51c 100644
--- a/fs/xfs/xfs_qm.h
+++ b/fs/xfs/xfs_qm.h
@@ -166,9 +166,9 @@ extern void		xfs_qm_dqrele_all_inodes(struct xfs_mount *, uint);
 /* quota ops */
 extern int              xfs_qm_scall_trunc_qfiles(struct xfs_mount *, uint);
 extern int              xfs_qm_scall_getquota(struct xfs_mount *, xfs_dqid_t,
-                                        uint, struct fs_disk_quota *);
+                                        uint, struct qc_dqblk *);
 extern int              xfs_qm_scall_setqlim(struct xfs_mount *, xfs_dqid_t, uint,
-                                        struct fs_disk_quota *);
+                                        struct qc_dqblk *);
 extern int              xfs_qm_scall_getqstat(struct xfs_mount *,
                                        struct fs_quota_stat *);
 extern int              xfs_qm_scall_getqstatv(struct xfs_mount *,
diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index 74fca68e43b6..cb6168ec92c9 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -39,7 +39,6 @@ STATIC int	xfs_qm_log_quotaoff(xfs_mount_t *, xfs_qoff_logitem_t **, uint);
 STATIC int      xfs_qm_log_quotaoff_end(xfs_mount_t *, xfs_qoff_logitem_t *,
                                        uint);
 STATIC uint     xfs_qm_export_flags(uint);
-STATIC uint     xfs_qm_export_qtype_flags(uint);
 /*
 * Turn off quota accounting and/or enforcement for all udquots and/or
@@ -573,8 +572,8 @@ xfs_qm_scall_getqstatv(
        return 0;
 }
-#define XFS_DQ_MASK \
+#define XFS_QC_MASK \
-        (FS_DQ_LIMIT_MASK | FS_DQ_TIMER_MASK | FS_DQ_WARNS_MASK)
+        (QC_LIMIT_MASK | QC_TIMER_MASK | QC_WARNS_MASK)
 /*
 * Adjust quota limits, and start/stop timers accordingly.
@@ -584,7 +583,7 @@ xfs_qm_scall_setqlim(
        struct xfs_mount        *mp,
        xfs_dqid_t              id,
        uint                    type,
-        fs_disk_quota_t         *newlim)
+        struct qc_dqblk         *newlim)
 {
        struct xfs_quotainfo    *q = mp->m_quotainfo;
        struct xfs_disk_dquot   *ddq;
@@ -593,9 +592,9 @@ xfs_qm_scall_setqlim(
        int                     error;
        xfs_qcnt_t              hard, soft;
-        if (newlim->d_fieldmask & ~XFS_DQ_MASK)
+        if (newlim->d_fieldmask & ~XFS_QC_MASK)
                return -EINVAL;
-        if ((newlim->d_fieldmask & XFS_DQ_MASK) == 0)
+        if ((newlim->d_fieldmask & XFS_QC_MASK) == 0)
                return 0;
        /*
@@ -633,11 +632,11 @@ xfs_qm_scall_setqlim(
        /*
         * Make sure that hardlimits are >= soft limits before changing.
         */
-        hard = (newlim->d_fieldmask & FS_DQ_BHARD) ?
+        hard = (newlim->d_fieldmask & QC_SPC_HARD) ?
-                (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_hardlimit) :
+                (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_spc_hardlimit) :
                        be64_to_cpu(ddq->d_blk_hardlimit);
-        soft = (newlim->d_fieldmask & FS_DQ_BSOFT) ?
+        soft = (newlim->d_fieldmask & QC_SPC_SOFT) ?
-                (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_softlimit) :
+                (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_spc_softlimit) :
                        be64_to_cpu(ddq->d_blk_softlimit);
        if (hard == 0 || hard >= soft) {
                ddq->d_blk_hardlimit = cpu_to_be64(hard);
@@ -650,11 +649,11 @@ xfs_qm_scall_setqlim(
        } else {
                xfs_debug(mp, "blkhard %Ld < blksoft %Ld", hard, soft);
        }
-        hard = (newlim->d_fieldmask & FS_DQ_RTBHARD) ?
+        hard = (newlim->d_fieldmask & QC_RT_SPC_HARD) ?
-                (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_hardlimit) :
+                (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_rt_spc_hardlimit) :
                        be64_to_cpu(ddq->d_rtb_hardlimit);
-        soft = (newlim->d_fieldmask & FS_DQ_RTBSOFT) ?
+        soft = (newlim->d_fieldmask & QC_RT_SPC_SOFT) ?
-                (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_softlimit) :
+                (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_rt_spc_softlimit) :
                        be64_to_cpu(ddq->d_rtb_softlimit);
        if (hard == 0 || hard >= soft) {
                ddq->d_rtb_hardlimit = cpu_to_be64(hard);
@@ -667,10 +666,10 @@ xfs_qm_scall_setqlim(
                xfs_debug(mp, "rtbhard %Ld < rtbsoft %Ld", hard, soft);
        }
-        hard = (newlim->d_fieldmask & FS_DQ_IHARD) ?
+        hard = (newlim->d_fieldmask & QC_INO_HARD) ?
                (xfs_qcnt_t) newlim->d_ino_hardlimit :
                        be64_to_cpu(ddq->d_ino_hardlimit);
-        soft = (newlim->d_fieldmask & FS_DQ_ISOFT) ?
+        soft = (newlim->d_fieldmask & QC_INO_SOFT) ?
                (xfs_qcnt_t) newlim->d_ino_softlimit :
                        be64_to_cpu(ddq->d_ino_softlimit);
        if (hard == 0 || hard >= soft) {
@@ -687,12 +686,12 @@ xfs_qm_scall_setqlim(
        /*
         * Update warnings counter(s) if requested
         */
-        if (newlim->d_fieldmask & FS_DQ_BWARNS)
+        if (newlim->d_fieldmask & QC_SPC_WARNS)
-                ddq->d_bwarns = cpu_to_be16(newlim->d_bwarns);
+                ddq->d_bwarns = cpu_to_be16(newlim->d_spc_warns);
-        if (newlim->d_fieldmask & FS_DQ_IWARNS)
+        if (newlim->d_fieldmask & QC_INO_WARNS)
-                ddq->d_iwarns = cpu_to_be16(newlim->d_iwarns);
+                ddq->d_iwarns = cpu_to_be16(newlim->d_ino_warns);
-        if (newlim->d_fieldmask & FS_DQ_RTBWARNS)
+        if (newlim->d_fieldmask & QC_RT_SPC_WARNS)
-                ddq->d_rtbwarns = cpu_to_be16(newlim->d_rtbwarns);
+                ddq->d_rtbwarns = cpu_to_be16(newlim->d_rt_spc_warns);
        if (id == 0) {
                /*
@@ -702,24 +701,24 @@ xfs_qm_scall_setqlim(
                 * soft and hard limit values (already done, above), and
                 * for warnings.
                 */
-                if (newlim->d_fieldmask & FS_DQ_BTIMER) {
+                if (newlim->d_fieldmask & QC_SPC_TIMER) {
-                        q->qi_btimelimit = newlim->d_btimer;
+                        q->qi_btimelimit = newlim->d_spc_timer;
-                        ddq->d_btimer = cpu_to_be32(newlim->d_btimer);
+                        ddq->d_btimer = cpu_to_be32(newlim->d_spc_timer);
                }
-                if (newlim->d_fieldmask & FS_DQ_ITIMER) {
+                if (newlim->d_fieldmask & QC_INO_TIMER) {
-                        q->qi_itimelimit = newlim->d_itimer;
+                        q->qi_itimelimit = newlim->d_ino_timer;
-                        ddq->d_itimer = cpu_to_be32(newlim->d_itimer);
+                        ddq->d_itimer = cpu_to_be32(newlim->d_ino_timer);
                }
-                if (newlim->d_fieldmask & FS_DQ_RTBTIMER) {
+                if (newlim->d_fieldmask & QC_RT_SPC_TIMER) {
-                        q->qi_rtbtimelimit = newlim->d_rtbtimer;
+                        q->qi_rtbtimelimit = newlim->d_rt_spc_timer;
-                        ddq->d_rtbtimer = cpu_to_be32(newlim->d_rtbtimer);
+                        ddq->d_rtbtimer = cpu_to_be32(newlim->d_rt_spc_timer);
                }
-                if (newlim->d_fieldmask & FS_DQ_BWARNS)
+                if (newlim->d_fieldmask & QC_SPC_WARNS)
-                        q->qi_bwarnlimit = newlim->d_bwarns;
+                        q->qi_bwarnlimit = newlim->d_spc_warns;
-                if (newlim->d_fieldmask & FS_DQ_IWARNS)
+                if (newlim->d_fieldmask & QC_INO_WARNS)
-                        q->qi_iwarnlimit = newlim->d_iwarns;
+                        q->qi_iwarnlimit = newlim->d_ino_warns;
-                if (newlim->d_fieldmask & FS_DQ_RTBWARNS)
+                if (newlim->d_fieldmask & QC_RT_SPC_WARNS)
-                        q->qi_rtbwarnlimit = newlim->d_rtbwarns;
+                        q->qi_rtbwarnlimit = newlim->d_rt_spc_warns;
        } else {
                /*
                 * If the user is now over quota, start the timelimit.
@@ -824,7 +823,7 @@ xfs_qm_scall_getquota(
        struct xfs_mount        *mp,
        xfs_dqid_t              id,
        uint                    type,
-        struct fs_disk_quota    *dst)
+        struct qc_dqblk         *dst)
 {
        struct xfs_dquot        *dqp;
        int                     error;
@@ -848,28 +847,25 @@ xfs_qm_scall_getquota(
        }
        memset(dst, 0, sizeof(*dst));
-        dst->d_version = FS_DQUOT_VERSION;
+        dst->d_spc_hardlimit =
-        dst->d_flags = xfs_qm_export_qtype_flags(dqp->q_core.d_flags);
+                XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_blk_hardlimit));
-        dst->d_id = be32_to_cpu(dqp->q_core.d_id);
+        dst->d_spc_softlimit =
-        dst->d_blk_hardlimit =
+                XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_blk_softlimit));
-                XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_hardlimit));
-        dst->d_blk_softlimit =
-                XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_softlimit));
        dst->d_ino_hardlimit = be64_to_cpu(dqp->q_core.d_ino_hardlimit);
        dst->d_ino_softlimit = be64_to_cpu(dqp->q_core.d_ino_softlimit);
-        dst->d_bcount = XFS_FSB_TO_BB(mp, dqp->q_res_bcount);
+        dst->d_space = XFS_FSB_TO_B(mp, dqp->q_res_bcount);
-        dst->d_icount = dqp->q_res_icount;
+        dst->d_ino_count = dqp->q_res_icount;
-        dst->d_btimer = be32_to_cpu(dqp->q_core.d_btimer);
+        dst->d_spc_timer = be32_to_cpu(dqp->q_core.d_btimer);
-        dst->d_itimer = be32_to_cpu(dqp->q_core.d_itimer);
+        dst->d_ino_timer = be32_to_cpu(dqp->q_core.d_itimer);
-        dst->d_iwarns = be16_to_cpu(dqp->q_core.d_iwarns);
+        dst->d_ino_warns = be16_to_cpu(dqp->q_core.d_iwarns);
-        dst->d_bwarns = be16_to_cpu(dqp->q_core.d_bwarns);
+        dst->d_spc_warns = be16_to_cpu(dqp->q_core.d_bwarns);
-        dst->d_rtb_hardlimit =
+        dst->d_rt_spc_hardlimit =
-                XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_hardlimit));
+                XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_rtb_hardlimit));
-        dst->d_rtb_softlimit =
+        dst->d_rt_spc_softlimit =
-                XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_softlimit));
+                XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_rtb_softlimit));
-        dst->d_rtbcount = XFS_FSB_TO_BB(mp, dqp->q_res_rtbcount);
+        dst->d_rt_space = XFS_FSB_TO_B(mp, dqp->q_res_rtbcount);
-        dst->d_rtbtimer = be32_to_cpu(dqp->q_core.d_rtbtimer);
+        dst->d_rt_spc_timer = be32_to_cpu(dqp->q_core.d_rtbtimer);
-        dst->d_rtbwarns = be16_to_cpu(dqp->q_core.d_rtbwarns);
+        dst->d_rt_spc_warns = be16_to_cpu(dqp->q_core.d_rtbwarns);
        /*
         * Internally, we don't reset all the timers when quota enforcement
@@ -882,23 +878,23 @@ xfs_qm_scall_getquota(
             dqp->q_core.d_flags == XFS_DQ_GROUP) ||
            (!XFS_IS_PQUOTA_ENFORCED(mp) &&
             dqp->q_core.d_flags == XFS_DQ_PROJ)) {
-                dst->d_btimer = 0;
+                dst->d_spc_timer = 0;
-                dst->d_itimer = 0;
+                dst->d_ino_timer = 0;
-                dst->d_rtbtimer = 0;
+                dst->d_rt_spc_timer = 0;
        }
 #ifdef DEBUG
-        if (((XFS_IS_UQUOTA_ENFORCED(mp) && dst->d_flags == FS_USER_QUOTA) ||
+        if (((XFS_IS_UQUOTA_ENFORCED(mp) && type == XFS_DQ_USER) ||
-             (XFS_IS_GQUOTA_ENFORCED(mp) && dst->d_flags == FS_GROUP_QUOTA) ||
+             (XFS_IS_GQUOTA_ENFORCED(mp) && type == XFS_DQ_GROUP) ||
-             (XFS_IS_PQUOTA_ENFORCED(mp) && dst->d_flags == FS_PROJ_QUOTA)) &&
+             (XFS_IS_PQUOTA_ENFORCED(mp) && type == XFS_DQ_PROJ)) &&
-            dst->d_id != 0) {
+            id != 0) {
-                if ((dst->d_bcount > dst->d_blk_softlimit) &&
+                if ((dst->d_space > dst->d_spc_softlimit) &&
-                    (dst->d_blk_softlimit > 0)) {
+                    (dst->d_spc_softlimit > 0)) {
-                        ASSERT(dst->d_btimer != 0);
+                        ASSERT(dst->d_spc_timer != 0);
                }
-                if ((dst->d_icount > dst->d_ino_softlimit) &&
+                if ((dst->d_ino_count > dst->d_ino_softlimit) &&
                    (dst->d_ino_softlimit > 0)) {
-                        ASSERT(dst->d_itimer != 0);
+                        ASSERT(dst->d_ino_timer != 0);
                }
        }
 #endif
@@ -908,26 +904,6 @@ out_put:
 }
 STATIC uint
-xfs_qm_export_qtype_flags(
-        uint flags)
-{
-        /*
-         * Can't be more than one, or none.
-         */
-        ASSERT((flags & (FS_PROJ_QUOTA | FS_USER_QUOTA)) !=
-                (FS_PROJ_QUOTA | FS_USER_QUOTA));
-        ASSERT((flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)) !=
-                (FS_PROJ_QUOTA | FS_GROUP_QUOTA));
-        ASSERT((flags & (FS_USER_QUOTA | FS_GROUP_QUOTA)) !=
-                (FS_USER_QUOTA | FS_GROUP_QUOTA));
-        ASSERT((flags & (FS_PROJ_QUOTA|FS_USER_QUOTA|FS_GROUP_QUOTA)) != 0);
-        return (flags & XFS_DQ_USER) ?
-                FS_USER_QUOTA : (flags & XFS_DQ_PROJ) ?
-                        FS_PROJ_QUOTA : FS_GROUP_QUOTA;
-}
-STATIC uint
 xfs_qm_export_flags(
        uint flags)
 {
diff --git a/fs/xfs/xfs_quotaops.c b/fs/xfs/xfs_quotaops.c
index 7542bbeca6a1..801a84c1cdc3 100644
--- a/fs/xfs/xfs_quotaops.c
+++ b/fs/xfs/xfs_quotaops.c
@@ -131,7 +131,7 @@ STATIC int
 xfs_fs_get_dqblk(
        struct super_block      *sb,
        struct kqid             qid,
-        struct fs_disk_quota    *fdq)
+        struct qc_dqblk         *qdq)
 {
        struct xfs_mount        *mp = XFS_M(sb);
@@ -141,14 +141,14 @@ xfs_fs_get_dqblk(
                return -ESRCH;
        return xfs_qm_scall_getquota(mp, from_kqid(&init_user_ns, qid),
-                                      xfs_quota_type(qid.type), fdq);
+                                      xfs_quota_type(qid.type), qdq);
 }
 STATIC int
 xfs_fs_set_dqblk(
        struct super_block      *sb,
        struct kqid             qid,
-        struct fs_disk_quota    *fdq)
+        struct qc_dqblk         *qdq)
 {
        struct xfs_mount        *mp = XFS_M(sb);
@@ -160,7 +160,7 @@ xfs_fs_set_dqblk(
                return -ESRCH;
        return xfs_qm_scall_setqlim(mp, from_kqid(&init_user_ns, qid),
-                                     xfs_quota_type(qid.type), fdq);
+                                     xfs_quota_type(qid.type), qdq);
 }
 const struct quotactl_ops xfs_quotactl_operations = {
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index e3a1721c8354..7c7695940ddd 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -228,7 +228,9 @@ struct i2c_client {
        struct device dev;              /* the device structure         */
        int irq;                        /* irq issued by device         */
        struct list_head detected;
+#if IS_ENABLED(CONFIG_I2C_SLAVE)
        i2c_slave_cb_t slave_cb;        /* callback for slave mode      */
+#endif
 };
 #define to_i2c_client(d) container_of(d, struct i2c_client, dev)
@@ -253,6 +255,7 @@ static inline void i2c_set_clientdata(struct i2c_client *dev, void *data)
 /* I2C slave support */
+#if IS_ENABLED(CONFIG_I2C_SLAVE)
 enum i2c_slave_event {
        I2C_SLAVE_REQ_READ_START,
        I2C_SLAVE_REQ_READ_END,
@@ -269,6 +272,7 @@ static inline int i2c_slave_event(struct i2c_client *client,
 {
        return client->slave_cb(client, event, val);
 }
+#endif
 /**
 * struct i2c_board_info - template for device creation
@@ -404,8 +408,10 @@ struct i2c_algorithm {
        /* To determine what the adapter supports */
        u32 (*functionality) (struct i2c_adapter *);
+#if IS_ENABLED(CONFIG_I2C_SLAVE)
        int (*reg_slave)(struct i2c_client *client);
        int (*unreg_slave)(struct i2c_client *client);
+#endif
 };
 /**
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index bea465f24ebb..b11b28a30b9e 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -472,27 +472,59 @@ static inline int vlan_get_tag(const struct sk_buff *skb, u16 *vlan_tci)
 /**
 * vlan_get_protocol - get protocol EtherType.
 * @skb: skbuff to query
+ * @type: first vlan protocol
+ * @depth: buffer to store length of eth and vlan tags in bytes
 *
 * Returns the EtherType of the packet, regardless of whether it is
 * vlan encapsulated (normal or hardware accelerated) or not.
 */
-static inline __be16 vlan_get_protocol(const struct sk_buff *skb)
+static inline __be16 __vlan_get_protocol(struct sk_buff *skb, __be16 type,
+                                         int *depth)
 {
-        __be16 protocol = 0;
+        unsigned int vlan_depth = skb->mac_len;
-        if (skb_vlan_tag_present(skb) ||
+        /* if type is 802.1Q/AD then the header should already be
-             skb->protocol != cpu_to_be16(ETH_P_8021Q))
+         * present at mac_len - VLAN_HLEN (if mac_len > 0), or at
-                protocol = skb->protocol;
+         * ETH_HLEN otherwise
-        else {
+         */
-                __be16 proto, *protop;
+        if (type == htons(ETH_P_8021Q) || type == htons(ETH_P_8021AD)) {
-                protop = skb_header_pointer(skb, offsetof(struct vlan_ethhdr,
+                if (vlan_depth) {
-                                                h_vlan_encapsulated_proto),
+                        if (WARN_ON(vlan_depth < VLAN_HLEN))
-                                                sizeof(proto), &proto);
+                                return 0;
-                if (likely(protop))
+                        vlan_depth -= VLAN_HLEN;
-                        protocol = *protop;
+                } else {
+                        vlan_depth = ETH_HLEN;
+                }
+                do {
+                        struct vlan_hdr *vh;
+                        if (unlikely(!pskb_may_pull(skb,
+                                                    vlan_depth + VLAN_HLEN)))
+                                return 0;
+                        vh = (struct vlan_hdr *)(skb->data + vlan_depth);
+                        type = vh->h_vlan_encapsulated_proto;
+                        vlan_depth += VLAN_HLEN;
+                } while (type == htons(ETH_P_8021Q) ||
+                         type == htons(ETH_P_8021AD));
        }
-        return protocol;
+        if (depth)
+                *depth = vlan_depth;
+        return type;
+}
+/**
+ * vlan_get_protocol - get protocol EtherType.
+ * @skb: skbuff to query
+ *
+ * Returns the EtherType of the packet, regardless of whether it is
+ * vlan encapsulated (normal or hardware accelerated) or not.
+ */
+static inline __be16 vlan_get_protocol(struct sk_buff *skb)
+{
+        return __vlan_get_protocol(skb, skb->protocol, NULL);
 }
 static inline void vlan_set_encap_proto(struct sk_buff *skb,
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 5449d2f4a1ef..64ce58bee6f5 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -176,7 +176,7 @@ extern int _cond_resched(void);
 */
 # define might_sleep() \
        do { __might_sleep(__FILE__, __LINE__, 0); might_resched(); } while (0)
-# define sched_annotate_sleep() __set_current_state(TASK_RUNNING)
+# define sched_annotate_sleep() (current->task_state_change = 0)
 #else
  static inline void ___might_sleep(const char *file, int line,
                                   int preempt_offset) { }
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 977b0b164431..c116cb02475c 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -98,7 +98,7 @@ enum {
        MLX4_MAX_NUM_PF         = 16,
        MLX4_MAX_NUM_VF         = 126,
        MLX4_MAX_NUM_VF_P_PORT  = 64,
-        MLX4_MFUNC_MAX          = 80,
+        MLX4_MFUNC_MAX          = 128,
        MLX4_MAX_EQ_NUM         = 1024,
        MLX4_MFUNC_EQ_NUM       = 4,
        MLX4_MFUNC_MAX_EQES     = 8,
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 80fc92a49649..dd5ea3016fc4 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1070,6 +1070,7 @@ static inline int page_mapped(struct page *page)
 #define VM_FAULT_WRITE  0x0008  /* Special case for get_user_pages */
 #define VM_FAULT_HWPOISON 0x0010        /* Hit poisoned small page */
 #define VM_FAULT_HWPOISON_LARGE 0x0020  /* Hit poisoned large page. Index encoded in upper bits */
+#define VM_FAULT_SIGSEGV 0x0040
 #define VM_FAULT_NOPAGE 0x0100  /* ->fault installed the pte, not return page */
 #define VM_FAULT_LOCKED 0x0200  /* ->fault locked the returned page */
@@ -1078,8 +1079,9 @@ static inline int page_mapped(struct page *page)
 #define VM_FAULT_HWPOISON_LARGE_MASK 0xf000 /* encodes hpage index for large hwpoison */
-#define VM_FAULT_ERROR  (VM_FAULT_OOM | VM_FAULT_SIGBUS | VM_FAULT_HWPOISON | \
+#define VM_FAULT_ERROR  (VM_FAULT_OOM | VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV | \
-                         VM_FAULT_FALLBACK | VM_FAULT_HWPOISON_LARGE)
+                         VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE | \
+                         VM_FAULT_FALLBACK)
 /* Encode hstate index for a hwpoisoned large page */
 #define VM_FAULT_SET_HINDEX(x) ((x) << 12)
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 4f7a61ca4b39..664de5a4ec46 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -450,11 +450,6 @@ struct perf_event {
 #endif /* CONFIG_PERF_EVENTS */
 };
-enum perf_event_context_type {
-        task_context,
-        cpu_context,
-};
 /**
 * struct perf_event_context - event context structure
 *
@@ -462,7 +457,6 @@ enum perf_event_context_type {
 */
 struct perf_event_context {
        struct pmu                      *pmu;
-        enum perf_event_context_type    type;
        /*
         * Protect the states of the events in the list,
         * nr_active, and the list:
diff --git a/include/linux/quota.h b/include/linux/quota.h
index 50978b781a19..097d7eb2441e 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -321,6 +321,49 @@ struct dquot_operations {
 struct path;
+/* Structure for communicating via ->get_dqblk() & ->set_dqblk() */
+struct qc_dqblk {
+        int d_fieldmask;        /* mask of fields to change in ->set_dqblk() */
+        u64 d_spc_hardlimit;    /* absolute limit on used space */
+        u64 d_spc_softlimit;    /* preferred limit on used space */
+        u64 d_ino_hardlimit;    /* maximum # allocated inodes */
+        u64 d_ino_softlimit;    /* preferred inode limit */
+        u64 d_space;            /* Space owned by the user */
+        u64 d_ino_count;        /* # inodes owned by the user */
+        s64 d_ino_timer;        /* zero if within inode limits */
+                                /* if not, we refuse service */
+        s64 d_spc_timer;        /* similar to above; for space */
+        int d_ino_warns;        /* # warnings issued wrt num inodes */
+        int d_spc_warns;        /* # warnings issued wrt used space */
+        u64 d_rt_spc_hardlimit; /* absolute limit on realtime space */
+        u64 d_rt_spc_softlimit; /* preferred limit on RT space */
+        u64 d_rt_space;         /* realtime space owned */
+        s64 d_rt_spc_timer;     /* similar to above; for RT space */
+        int d_rt_spc_warns;     /* # warnings issued wrt RT space */
+};
+/* Field specifiers for ->set_dqblk() in struct qc_dqblk */
+#define QC_INO_SOFT     (1<<0)
+#define QC_INO_HARD     (1<<1)
+#define QC_SPC_SOFT     (1<<2)
+#define QC_SPC_HARD     (1<<3)
+#define QC_RT_SPC_SOFT  (1<<4)
+#define QC_RT_SPC_HARD  (1<<5)
+#define QC_LIMIT_MASK (QC_INO_SOFT | QC_INO_HARD | QC_SPC_SOFT | QC_SPC_HARD | \
+                       QC_RT_SPC_SOFT | QC_RT_SPC_HARD)
+#define QC_SPC_TIMER    (1<<6)
+#define QC_INO_TIMER    (1<<7)
+#define QC_RT_SPC_TIMER (1<<8)
+#define QC_TIMER_MASK (QC_SPC_TIMER | QC_INO_TIMER | QC_RT_SPC_TIMER)
+#define QC_SPC_WARNS    (1<<9)
+#define QC_INO_WARNS    (1<<10)
+#define QC_RT_SPC_WARNS (1<<11)
+#define QC_WARNS_MASK (QC_SPC_WARNS | QC_INO_WARNS | QC_RT_SPC_WARNS)
+#define QC_SPACE        (1<<12)
+#define QC_INO_COUNT    (1<<13)
+#define QC_RT_SPACE     (1<<14)
+#define QC_ACCT_MASK (QC_SPACE | QC_INO_COUNT | QC_RT_SPACE)
 /* Operations handling requests from userspace */
 struct quotactl_ops {
        int (*quota_on)(struct super_block *, int, int, struct path *);
@@ -329,8 +372,8 @@ struct quotactl_ops {
        int (*quota_sync)(struct super_block *, int);
        int (*get_info)(struct super_block *, int, struct if_dqinfo *);
        int (*set_info)(struct super_block *, int, struct if_dqinfo *);
-        int (*get_dqblk)(struct super_block *, struct kqid, struct fs_disk_quota *);
+        int (*get_dqblk)(struct super_block *, struct kqid, struct qc_dqblk *);
-        int (*set_dqblk)(struct super_block *, struct kqid, struct fs_disk_quota *);
+        int (*set_dqblk)(struct super_block *, struct kqid, struct qc_dqblk *);
        int (*get_xstate)(struct super_block *, struct fs_quota_stat *);
        int (*set_xstate)(struct super_block *, unsigned int, int);
        int (*get_xstatev)(struct super_block *, struct fs_quota_statv *);
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index f23538a6e411..29e3455f7d41 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -98,9 +98,9 @@ int dquot_quota_sync(struct super_block *sb, int type);
 int dquot_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
 int dquot_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
 int dquot_get_dqblk(struct super_block *sb, struct kqid id,
-                struct fs_disk_quota *di);
+                struct qc_dqblk *di);
 int dquot_set_dqblk(struct super_block *sb, struct kqid id,
-                struct fs_disk_quota *di);
+                struct qc_dqblk *di);
 int __dquot_transfer(struct inode *inode, struct dquot **transfer_to);
 int dquot_transfer(struct inode *inode, struct iattr *iattr);
diff --git a/include/net/flow_keys.h b/include/net/flow_keys.h
index 7ee2df083542..dc8fd81412bf 100644
--- a/include/net/flow_keys.h
+++ b/include/net/flow_keys.h
@@ -22,9 +22,9 @@ struct flow_keys {
                __be32 ports;
                __be16 port16[2];
        };
-        u16 thoff;
+        u16     thoff;
-        u16 n_proto;
+        __be16  n_proto;
-        u8 ip_proto;
+        u8      ip_proto;
 };
 bool __skb_flow_dissect(const struct sk_buff *skb, struct flow_keys *flow,
diff --git a/include/net/ip.h b/include/net/ip.h
index 14211eaff17f..025c61c0dffb 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -181,7 +181,7 @@ static inline __u8 ip_reply_arg_flowi_flags(const struct ip_reply_arg *arg)
        return (arg->flags & IP_REPLY_ARG_NOSRCCHECK) ? FLOWI_FLAG_ANYSRC : 0;
 }
-void ip_send_unicast_reply(struct net *net, struct sk_buff *skb,
+void ip_send_unicast_reply(struct sock *sk, struct sk_buff *skb,
                           const struct ip_options *sopt,
                           __be32 daddr, __be32 saddr,
                           const struct ip_reply_arg *arg,
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 8027ca53e31f..8ae7c9edbd3c 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -671,6 +671,9 @@ static inline int ipv6_addr_diff(const struct in6_addr *a1, const struct in6_add
        return __ipv6_addr_diff(a1, a2, sizeof(struct in6_addr));
 }
+u32 __ipv6_select_ident(u32 hashrnd, struct in6_addr *dst,
+                        struct in6_addr *src);
+void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt);
 void ipv6_proxy_select_ident(struct sk_buff *skb);
 int ip6_dst_hoplimit(struct dst_entry *dst);
@@ -708,7 +711,7 @@ static inline __be32 ip6_make_flowlabel(struct net *net, struct sk_buff *skb,
                                        __be32 flowlabel, bool autolabel)
 {
        if (!flowlabel && (autolabel || net->ipv6.sysctl.auto_flowlabels)) {
-                __be32 hash;
+                u32 hash;
                hash = skb_get_hash(skb);
@@ -718,7 +721,7 @@ static inline __be32 ip6_make_flowlabel(struct net *net, struct sk_buff *skb,
                 */
                hash ^= hash >> 12;
-                flowlabel = hash & IPV6_FLOWLABEL_MASK;
+                flowlabel = (__force __be32)hash & IPV6_FLOWLABEL_MASK;
        }
        return flowlabel;
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 3ae969e3acf0..9eaaa7884586 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -530,6 +530,8 @@ enum nft_chain_type {
 int nft_chain_validate_dependency(const struct nft_chain *chain,
                                  enum nft_chain_type type);
+int nft_chain_validate_hooks(const struct nft_chain *chain,
+                             unsigned int hook_flags);
 struct nft_stats {
        u64                     bytes;
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 7283f4d39ae2..e0bdcb147326 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -53,6 +53,7 @@ struct netns_ipv4 {
        struct inet_peer_base   *peers;
        struct tcpm_hash_bucket *tcp_metrics_hash;
        unsigned int            tcp_metrics_hash_log;
+        struct sock  * __percpu *tcp_sk;
        struct netns_frags      frags;
 #ifdef CONFIG_NETFILTER
        struct xt_table         *iptable_filter;
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 3d282cbb66bf..c605d305c577 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -79,6 +79,9 @@ struct Qdisc {
        struct netdev_queue     *dev_queue;
        struct gnet_stats_rate_est64    rate_est;
+        struct gnet_stats_basic_cpu __percpu *cpu_bstats;
+        struct gnet_stats_queue __percpu *cpu_qstats;
        struct Qdisc            *next_sched;
        struct sk_buff          *gso_skb;
        /*
@@ -86,15 +89,9 @@ struct Qdisc {
         */
        unsigned long           state;
        struct sk_buff_head     q;
-        union {
+        struct gnet_stats_basic_packed bstats;
-                struct gnet_stats_basic_packed bstats;
-                struct gnet_stats_basic_cpu __percpu *cpu_bstats;
-        } __packed;
        unsigned int            __state;
-        union {
+        struct gnet_stats_queue qstats;
-                struct gnet_stats_queue qstats;
-                struct gnet_stats_queue __percpu *cpu_qstats;
-        } __packed;
        struct rcu_head         rcu_head;
        int                     padded;
        atomic_t                refcnt;
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 637ee490ec81..28e9bd3abceb 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -843,8 +843,8 @@ void tcp_get_available_congestion_control(char *buf, size_t len);
 void tcp_get_allowed_congestion_control(char *buf, size_t len);
 int tcp_set_allowed_congestion_control(char *allowed);
 int tcp_set_congestion_control(struct sock *sk, const char *name);
-void tcp_slow_start(struct tcp_sock *tp, u32 acked);
+u32 tcp_slow_start(struct tcp_sock *tp, u32 acked);
-void tcp_cong_avoid_ai(struct tcp_sock *tp, u32 w);
+void tcp_cong_avoid_ai(struct tcp_sock *tp, u32 w, u32 acked);
 u32 tcp_reno_ssthresh(struct sock *sk);
 void tcp_reno_cong_avoid(struct sock *sk, u32 ack, u32 acked);
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 882f835a0d85..19efcf13375a 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -6776,7 +6776,6 @@ skip_type:
                __perf_event_init_context(&cpuctx->ctx);
                lockdep_set_class(&cpuctx->ctx.mutex, &cpuctx_mutex);
                lockdep_set_class(&cpuctx->ctx.lock, &cpuctx_lock);
-                cpuctx->ctx.type = cpu_context;
                cpuctx->ctx.pmu = pmu;
                __perf_cpu_hrtimer_init(cpuctx, cpu);
@@ -7420,7 +7419,19 @@ SYSCALL_DEFINE5(perf_event_open,
                 * task or CPU context:
                 */
                if (move_group) {
-                        if (group_leader->ctx->type != ctx->type)
+                        /*
+                         * Make sure we're both on the same task, or both
+                         * per-cpu events.
+                         */
+                        if (group_leader->ctx->task != ctx->task)
+                                goto err_context;
+                        /*
+                         * Make sure we're both events for the same CPU;
+                         * grouping events for different CPUs is broken; since
+                         * you can never concurrently schedule them anyhow.
+                         */
+                        if (group_leader->cpu != event->cpu)
                                goto err_context;
                } else {
                        if (group_leader->ctx != ctx)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index c0accc00566e..e628cb11b560 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -7292,13 +7292,12 @@ void __might_sleep(const char *file, int line, int preempt_offset)
         * since we will exit with TASK_RUNNING make sure we enter with it,
         * otherwise we will destroy state.
         */
-        if (WARN_ONCE(current->state != TASK_RUNNING,
+        WARN_ONCE(current->state != TASK_RUNNING && current->task_state_change,
                        "do not call blocking ops when !TASK_RUNNING; "
                        "state=%lx set at [<%p>] %pS\n",
                        current->state,
                        (void *)current->task_state_change,
-                        (void *)current->task_state_change))
+                        (void *)current->task_state_change);
-                __set_current_state(TASK_RUNNING);
        ___might_sleep(file, line, preempt_offset);
 }
diff --git a/lib/checksum.c b/lib/checksum.c
index 129775eb6de6..8b39e86dbab5 100644
--- a/lib/checksum.c
+++ b/lib/checksum.c
@@ -181,6 +181,15 @@ csum_partial_copy(const void *src, void *dst, int len, __wsum sum)
 EXPORT_SYMBOL(csum_partial_copy);
 #ifndef csum_tcpudp_nofold
+static inline u32 from64to32(u64 x)
+{
+        /* add up 32-bit and 32-bit for 32+c bit */
+        x = (x & 0xffffffff) + (x >> 32);
+        /* add up carry.. */
+        x = (x & 0xffffffff) + (x >> 32);
+        return (u32)x;
+}
 __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
                        unsigned short len,
                        unsigned short proto,
@@ -195,8 +204,7 @@ __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
 #else
        s += (proto + len) << 8;
 #endif
-        s += (s >> 32);
+        return (__force __wsum)from64to32(s);
-        return (__force __wsum)s;
 }
 EXPORT_SYMBOL(csum_tcpudp_nofold);
 #endif
diff --git a/mm/gup.c b/mm/gup.c
index a900759cc807..8dd50ce6326f 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -296,7 +296,7 @@ static int faultin_page(struct task_struct *tsk, struct vm_area_struct *vma,
                        return -ENOMEM;
                if (ret & (VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE))
                        return *flags & FOLL_HWPOISON ? -EHWPOISON : -EFAULT;
-                if (ret & VM_FAULT_SIGBUS)
+                if (ret & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV))
                        return -EFAULT;
                BUG();
        }
@@ -571,7 +571,7 @@ int fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm,
                        return -ENOMEM;
                if (ret & (VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE))
                        return -EHWPOISON;
-                if (ret & VM_FAULT_SIGBUS)
+                if (ret & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV))
                        return -EFAULT;
                BUG();
        }
diff --git a/mm/ksm.c b/mm/ksm.c
index d247efab5073..15647fb0394f 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -376,7 +376,7 @@ static int break_ksm(struct vm_area_struct *vma, unsigned long addr)
                else
                        ret = VM_FAULT_WRITE;
                put_page(page);
-        } while (!(ret & (VM_FAULT_WRITE | VM_FAULT_SIGBUS | VM_FAULT_OOM)));
+        } while (!(ret & (VM_FAULT_WRITE | VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV | VM_FAULT_OOM)));
        /*
         * We must loop because handle_mm_fault() may back out if there's
         * any difficulty e.g. if pte accessed bit gets updated concurrently.
diff --git a/mm/memory.c b/mm/memory.c
index 54f3a9b00956..2c3536cc6c63 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2632,7 +2632,7 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
        /* Check if we need to add a guard page to the stack */
        if (check_stack_guard_page(vma, address) < 0)
-                return VM_FAULT_SIGBUS;
+                return VM_FAULT_SIGSEGV;
        /* Use the zero-page for reads */
        if (!(flags & FAULT_FLAG_WRITE) && !mm_forbids_zeropage(mm)) {
diff --git a/net/bridge/netfilter/nft_reject_bridge.c b/net/bridge/netfilter/nft_reject_bridge.c
index b0330aecbf97..3244aead0926 100644
--- a/net/bridge/netfilter/nft_reject_bridge.c
+++ b/net/bridge/netfilter/nft_reject_bridge.c
@@ -265,22 +265,12 @@ out:
        data[NFT_REG_VERDICT].verdict = NF_DROP;
 }
-static int nft_reject_bridge_validate_hooks(const struct nft_chain *chain)
+static int nft_reject_bridge_validate(const struct nft_ctx *ctx,
+                                      const struct nft_expr *expr,
+                                      const struct nft_data **data)
 {
-        struct nft_base_chain *basechain;
+        return nft_chain_validate_hooks(ctx->chain, (1 << NF_BR_PRE_ROUTING) |
+                                                    (1 << NF_BR_LOCAL_IN));
-        if (chain->flags & NFT_BASE_CHAIN) {
-                basechain = nft_base_chain(chain);
-                switch (basechain->ops[0].hooknum) {
-                case NF_BR_PRE_ROUTING:
-                case NF_BR_LOCAL_IN:
-                        break;
-                default:
-                        return -EOPNOTSUPP;
-                }
-        }
-        return 0;
 }
 static int nft_reject_bridge_init(const struct nft_ctx *ctx,
@@ -290,7 +280,7 @@ static int nft_reject_bridge_init(const struct nft_ctx *ctx,
        struct nft_reject *priv = nft_expr_priv(expr);
        int icmp_code, err;
-        err = nft_reject_bridge_validate_hooks(ctx->chain);
+        err = nft_reject_bridge_validate(ctx, expr, NULL);
        if (err < 0)
                return err;
@@ -341,13 +331,6 @@ nla_put_failure:
        return -1;
 }
-static int nft_reject_bridge_validate(const struct nft_ctx *ctx,
-                                      const struct nft_expr *expr,
-                                      const struct nft_data **data)
-{
-        return nft_reject_bridge_validate_hooks(ctx->chain);
-}
 static struct nft_expr_type nft_reject_bridge_type;
 static const struct nft_expr_ops nft_reject_bridge_ops = {
        .type           = &nft_reject_bridge_type,
diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c
index 4589ff67bfa9..67a4a36febd1 100644
--- a/net/caif/chnl_net.c
+++ b/net/caif/chnl_net.c
@@ -470,7 +470,6 @@ static int ipcaif_newlink(struct net *src_net, struct net_device *dev,
        ASSERT_RTNL();
        caifdev = netdev_priv(dev);
        caif_netlink_parms(data, &caifdev->conn_req);
-        dev_net_set(caifdev->netdev, src_net);
        ret = register_netdevice(dev);
        if (ret)
diff --git a/net/core/dev.c b/net/core/dev.c
index ede0b161b115..a3a96ffc67f4 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2379,7 +2379,6 @@ EXPORT_SYMBOL(skb_checksum_help);
 __be16 skb_network_protocol(struct sk_buff *skb, int *depth)
 {
-        unsigned int vlan_depth = skb->mac_len;
        __be16 type = skb->protocol;
        /* Tunnel gso handlers can set protocol to ethernet. */
@@ -2393,35 +2392,7 @@ __be16 skb_network_protocol(struct sk_buff *skb, int *depth)
                type = eth->h_proto;
        }
-        /* if skb->protocol is 802.1Q/AD then the header should already be
+        return __vlan_get_protocol(skb, type, depth);
-         * present at mac_len - VLAN_HLEN (if mac_len > 0), or at
-         * ETH_HLEN otherwise
-         */
-        if (type == htons(ETH_P_8021Q) || type == htons(ETH_P_8021AD)) {
-                if (vlan_depth) {
-                        if (WARN_ON(vlan_depth < VLAN_HLEN))
-                                return 0;
-                        vlan_depth -= VLAN_HLEN;
-                } else {
-                        vlan_depth = ETH_HLEN;
-                }
-                do {
-                        struct vlan_hdr *vh;
-                        if (unlikely(!pskb_may_pull(skb,
-                                                    vlan_depth + VLAN_HLEN)))
-                                return 0;
-                        vh = (struct vlan_hdr *)(skb->data + vlan_depth);
-                        type = vh->h_vlan_encapsulated_proto;
-                        vlan_depth += VLAN_HLEN;
-                } while (type == htons(ETH_P_8021Q) ||
-                         type == htons(ETH_P_8021AD));
-        }
-        *depth = vlan_depth;
-        return type;
 }
 /**
@@ -5375,7 +5346,7 @@ void netdev_bonding_info_change(struct net_device *dev,
 }
 EXPORT_SYMBOL(netdev_bonding_info_change);
-void netdev_adjacent_add_links(struct net_device *dev)
+static void netdev_adjacent_add_links(struct net_device *dev)
 {
        struct netdev_adjacent *iter;
@@ -5400,7 +5371,7 @@ void netdev_adjacent_add_links(struct net_device *dev)
        }
 }
-void netdev_adjacent_del_links(struct net_device *dev)
+static void netdev_adjacent_del_links(struct net_device *dev)
 {
        struct netdev_adjacent *iter;
@@ -6713,7 +6684,7 @@ struct netdev_queue *dev_ingress_queue_create(struct net_device *dev)
        if (!queue)
                return NULL;
        netdev_init_one_queue(dev, queue, NULL);
-        queue->qdisc = &noop_qdisc;
+        RCU_INIT_POINTER(queue->qdisc, &noop_qdisc);
        queue->qdisc_sleeping = &noop_qdisc;
        rcu_assign_pointer(dev->ingress_queue, queue);
 #endif
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 4cd5e350d129..5dad4f782f03 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2937,12 +2937,16 @@ static int rtnl_bridge_notify(struct net_device *dev)
        if (err < 0)
                goto errout;
+        if (!skb->len)
+                goto errout;
        rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
        return 0;
 errout:
        WARN_ON(err == -EMSGSIZE);
        kfree_skb(skb);
-        rtnl_set_sk_err(net, RTNLGRP_LINK, err);
+        if (err)
+                rtnl_set_sk_err(net, RTNLGRP_LINK, err);
        return err;
 }
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index f998bc87ae38..d68199d9b2b0 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1504,23 +1504,8 @@ static int ip_reply_glue_bits(void *dptr, char *to, int offset,
 /*
 *      Generic function to send a packet as reply to another packet.
 *      Used to send some TCP resets/acks so far.
- *
- *      Use a fake percpu inet socket to avoid false sharing and contention.
 */
-static DEFINE_PER_CPU(struct inet_sock, unicast_sock) = {
+void ip_send_unicast_reply(struct sock *sk, struct sk_buff *skb,
-        .sk = {
-                .__sk_common = {
-                        .skc_refcnt = ATOMIC_INIT(1),
-                },
-                .sk_wmem_alloc  = ATOMIC_INIT(1),
-                .sk_allocation  = GFP_ATOMIC,
-                .sk_flags       = (1UL << SOCK_USE_WRITE_QUEUE),
-        },
-        .pmtudisc       = IP_PMTUDISC_WANT,
-        .uc_ttl         = -1,
-};
-void ip_send_unicast_reply(struct net *net, struct sk_buff *skb,
                           const struct ip_options *sopt,
                           __be32 daddr, __be32 saddr,
                           const struct ip_reply_arg *arg,
@@ -1530,9 +1515,8 @@ void ip_send_unicast_reply(struct net *net, struct sk_buff *skb,
        struct ipcm_cookie ipc;
        struct flowi4 fl4;
        struct rtable *rt = skb_rtable(skb);
+        struct net *net = sock_net(sk);
        struct sk_buff *nskb;
-        struct sock *sk;
-        struct inet_sock *inet;
        int err;
        if (__ip_options_echo(&replyopts.opt.opt, skb, sopt))
@@ -1563,15 +1547,11 @@ void ip_send_unicast_reply(struct net *net, struct sk_buff *skb,
        if (IS_ERR(rt))
                return;
-        inet = &get_cpu_var(unicast_sock);
+        inet_sk(sk)->tos = arg->tos;
-        inet->tos = arg->tos;
-        sk = &inet->sk;
        sk->sk_priority = skb->priority;
        sk->sk_protocol = ip_hdr(skb)->protocol;
        sk->sk_bound_dev_if = arg->bound_dev_if;
-        sock_net_set(sk, net);
-        __skb_queue_head_init(&sk->sk_write_queue);
        sk->sk_sndbuf = sysctl_wmem_default;
        err = ip_append_data(sk, &fl4, ip_reply_glue_bits, arg->iov->iov_base,
                             len, 0, &ipc, &rt, MSG_DONTWAIT);
@@ -1587,13 +1567,10 @@ void ip_send_unicast_reply(struct net *net, struct sk_buff *skb,
                          arg->csumoffset) = csum_fold(csum_add(nskb->csum,
                                                                arg->csum));
                nskb->ip_summed = CHECKSUM_NONE;
-                skb_orphan(nskb);
                skb_set_queue_mapping(nskb, skb_get_queue_mapping(skb));
                ip_push_pending_frames(sk, &fl4);
        }
 out:
-        put_cpu_var(unicast_sock);
        ip_rt_put(rt);
 }
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 0c63b2abd873..ad5064362c5c 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -966,6 +966,9 @@ static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu)
        if (dst->dev->mtu < mtu)
                return;
+        if (rt->rt_pmtu && rt->rt_pmtu < mtu)
+                return;
        if (mtu < ip_rt_min_pmtu)
                mtu = ip_rt_min_pmtu;
diff --git a/net/ipv4/tcp_bic.c b/net/ipv4/tcp_bic.c
index bb395d46a389..c037644eafb7 100644
--- a/net/ipv4/tcp_bic.c
+++ b/net/ipv4/tcp_bic.c
@@ -150,7 +150,7 @@ static void bictcp_cong_avoid(struct sock *sk, u32 ack, u32 acked)
                tcp_slow_start(tp, acked);
        else {
                bictcp_update(ca, tp->snd_cwnd);
-                tcp_cong_avoid_ai(tp, ca->cnt);
+                tcp_cong_avoid_ai(tp, ca->cnt, 1);
        }
 }
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index 63c29dba68a8..d694088214cd 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -360,26 +360,32 @@ int tcp_set_congestion_control(struct sock *sk, const char *name)
 * ABC caps N to 2. Slow start exits when cwnd grows over ssthresh and
 * returns the leftover acks to adjust cwnd in congestion avoidance mode.
 */
-void tcp_slow_start(struct tcp_sock *tp, u32 acked)
+u32 tcp_slow_start(struct tcp_sock *tp, u32 acked)
 {
        u32 cwnd = tp->snd_cwnd + acked;
        if (cwnd > tp->snd_ssthresh)
                cwnd = tp->snd_ssthresh + 1;
+        acked -= cwnd - tp->snd_cwnd;
        tp->snd_cwnd = min(cwnd, tp->snd_cwnd_clamp);
+        return acked;
 }
 EXPORT_SYMBOL_GPL(tcp_slow_start);
-/* In theory this is tp->snd_cwnd += 1 / tp->snd_cwnd (or alternative w) */
+/* In theory this is tp->snd_cwnd += 1 / tp->snd_cwnd (or alternative w),
-void tcp_cong_avoid_ai(struct tcp_sock *tp, u32 w)
+ * for every packet that was ACKed.
+ */
+void tcp_cong_avoid_ai(struct tcp_sock *tp, u32 w, u32 acked)
 {
+        tp->snd_cwnd_cnt += acked;
        if (tp->snd_cwnd_cnt >= w) {
-                if (tp->snd_cwnd < tp->snd_cwnd_clamp)
+                u32 delta = tp->snd_cwnd_cnt / w;
-                        tp->snd_cwnd++;
-                tp->snd_cwnd_cnt = 0;
+                tp->snd_cwnd_cnt -= delta * w;
-        } else {
+                tp->snd_cwnd += delta;
-                tp->snd_cwnd_cnt++;
        }
+        tp->snd_cwnd = min(tp->snd_cwnd, tp->snd_cwnd_clamp);
 }
 EXPORT_SYMBOL_GPL(tcp_cong_avoid_ai);
@@ -398,11 +404,13 @@ void tcp_reno_cong_avoid(struct sock *sk, u32 ack, u32 acked)
                return;
        /* In "safe" area, increase. */
-        if (tp->snd_cwnd <= tp->snd_ssthresh)
+        if (tp->snd_cwnd <= tp->snd_ssthresh) {
-                tcp_slow_start(tp, acked);
+                acked = tcp_slow_start(tp, acked);
+                if (!acked)
+                        return;
+        }
        /* In dangerous area, increase slowly. */
-        else
+        tcp_cong_avoid_ai(tp, tp->snd_cwnd, acked);
-                tcp_cong_avoid_ai(tp, tp->snd_cwnd);
 }
 EXPORT_SYMBOL_GPL(tcp_reno_cong_avoid);
diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c
index 6b6002416a73..4b276d1ed980 100644
--- a/net/ipv4/tcp_cubic.c
+++ b/net/ipv4/tcp_cubic.c
@@ -93,9 +93,7 @@ struct bictcp {
        u32     epoch_start;    /* beginning of an epoch */
        u32     ack_cnt;        /* number of acks */
        u32     tcp_cwnd;       /* estimated tcp cwnd */
-#define ACK_RATIO_SHIFT 4
+        u16     unused;
-#define ACK_RATIO_LIMIT (32u << ACK_RATIO_SHIFT)
-        u16     delayed_ack;    /* estimate the ratio of Packets/ACKs << 4 */
        u8      sample_cnt;     /* number of samples to decide curr_rtt */
        u8      found;          /* the exit point is found? */
        u32     round_start;    /* beginning of each round */
@@ -114,7 +112,6 @@ static inline void bictcp_reset(struct bictcp *ca)
        ca->bic_K = 0;
        ca->delay_min = 0;
        ca->epoch_start = 0;
-        ca->delayed_ack = 2 << ACK_RATIO_SHIFT;
        ca->ack_cnt = 0;
        ca->tcp_cwnd = 0;
        ca->found = 0;
@@ -205,23 +202,30 @@ static u32 cubic_root(u64 a)
 /*
 * Compute congestion window to use.
 */
-static inline void bictcp_update(struct bictcp *ca, u32 cwnd)
+static inline void bictcp_update(struct bictcp *ca, u32 cwnd, u32 acked)
 {
        u32 delta, bic_target, max_cnt;
        u64 offs, t;
-        ca->ack_cnt++;  /* count the number of ACKs */
+        ca->ack_cnt += acked;   /* count the number of ACKed packets */
        if (ca->last_cwnd == cwnd &&
            (s32)(tcp_time_stamp - ca->last_time) <= HZ / 32)
                return;
+        /* The CUBIC function can update ca->cnt at most once per jiffy.
+         * On all cwnd reduction events, ca->epoch_start is set to 0,
+         * which will force a recalculation of ca->cnt.
+         */
+        if (ca->epoch_start && tcp_time_stamp == ca->last_time)
+                goto tcp_friendliness;
        ca->last_cwnd = cwnd;
        ca->last_time = tcp_time_stamp;
        if (ca->epoch_start == 0) {
                ca->epoch_start = tcp_time_stamp;       /* record beginning */
-                ca->ack_cnt = 1;                        /* start counting */
+                ca->ack_cnt = acked;                    /* start counting */
                ca->tcp_cwnd = cwnd;                    /* syn with cubic */
                if (ca->last_max_cwnd <= cwnd) {
@@ -283,6 +287,7 @@ static inline void bictcp_update(struct bictcp *ca, u32 cwnd)
        if (ca->last_max_cwnd == 0 && ca->cnt > 20)
                ca->cnt = 20;   /* increase cwnd 5% per RTT */
+tcp_friendliness:
        /* TCP Friendly */
        if (tcp_friendliness) {
                u32 scale = beta_scale;
@@ -301,7 +306,6 @@ static inline void bictcp_update(struct bictcp *ca, u32 cwnd)
                }
        }
-        ca->cnt = (ca->cnt << ACK_RATIO_SHIFT) / ca->delayed_ack;
        if (ca->cnt == 0)                       /* cannot be zero */
                ca->cnt = 1;
 }
@@ -317,11 +321,12 @@ static void bictcp_cong_avoid(struct sock *sk, u32 ack, u32 acked)
        if (tp->snd_cwnd <= tp->snd_ssthresh) {
                if (hystart && after(ack, ca->end_seq))
                        bictcp_hystart_reset(sk);
-                tcp_slow_start(tp, acked);
+                acked = tcp_slow_start(tp, acked);
-        } else {
+                if (!acked)
-                bictcp_update(ca, tp->snd_cwnd);
+                        return;
-                tcp_cong_avoid_ai(tp, ca->cnt);
        }
+        bictcp_update(ca, tp->snd_cwnd, acked);
+        tcp_cong_avoid_ai(tp, ca->cnt, acked);
 }
 static u32 bictcp_recalc_ssthresh(struct sock *sk)
@@ -411,20 +416,10 @@ static void hystart_update(struct sock *sk, u32 delay)
 */
 static void bictcp_acked(struct sock *sk, u32 cnt, s32 rtt_us)
 {
-        const struct inet_connection_sock *icsk = inet_csk(sk);
        const struct tcp_sock *tp = tcp_sk(sk);
        struct bictcp *ca = inet_csk_ca(sk);
        u32 delay;
-        if (icsk->icsk_ca_state == TCP_CA_Open) {
-                u32 ratio = ca->delayed_ack;
-                ratio -= ca->delayed_ack >> ACK_RATIO_SHIFT;
-                ratio += cnt;
-                ca->delayed_ack = clamp(ratio, 1U, ACK_RATIO_LIMIT);
-        }
        /* Some calls are for duplicates without timetamps */
        if (rtt_us < 0)
                return;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index ad3e65bdd368..67bc95fb5d9e 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -683,7 +683,8 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
                arg.bound_dev_if = sk->sk_bound_dev_if;
        arg.tos = ip_hdr(skb)->tos;
-        ip_send_unicast_reply(net, skb, &TCP_SKB_CB(skb)->header.h4.opt,
+        ip_send_unicast_reply(*this_cpu_ptr(net->ipv4.tcp_sk),
+                              skb, &TCP_SKB_CB(skb)->header.h4.opt,
                              ip_hdr(skb)->saddr, ip_hdr(skb)->daddr,
                              &arg, arg.iov[0].iov_len);
@@ -767,7 +768,8 @@ static void tcp_v4_send_ack(struct sk_buff *skb, u32 seq, u32 ack,
        if (oif)
                arg.bound_dev_if = oif;
        arg.tos = tos;
-        ip_send_unicast_reply(net, skb, &TCP_SKB_CB(skb)->header.h4.opt,
+        ip_send_unicast_reply(*this_cpu_ptr(net->ipv4.tcp_sk),
+                              skb, &TCP_SKB_CB(skb)->header.h4.opt,
                              ip_hdr(skb)->saddr, ip_hdr(skb)->daddr,
                              &arg, arg.iov[0].iov_len);
@@ -2430,14 +2432,39 @@ struct proto tcp_prot = {
 };
 EXPORT_SYMBOL(tcp_prot);
+static void __net_exit tcp_sk_exit(struct net *net)
+{
+        int cpu;
+        for_each_possible_cpu(cpu)
+                inet_ctl_sock_destroy(*per_cpu_ptr(net->ipv4.tcp_sk, cpu));
+        free_percpu(net->ipv4.tcp_sk);
+}
 static int __net_init tcp_sk_init(struct net *net)
 {
+        int res, cpu;
+        net->ipv4.tcp_sk = alloc_percpu(struct sock *);
+        if (!net->ipv4.tcp_sk)
+                return -ENOMEM;
+        for_each_possible_cpu(cpu) {
+                struct sock *sk;
+                res = inet_ctl_sock_create(&sk, PF_INET, SOCK_RAW,
+                                           IPPROTO_TCP, net);
+                if (res)
+                        goto fail;
+                *per_cpu_ptr(net->ipv4.tcp_sk, cpu) = sk;
+        }
        net->ipv4.sysctl_tcp_ecn = 2;
        return 0;
-}
-static void __net_exit tcp_sk_exit(struct net *net)
+fail:
-{
+        tcp_sk_exit(net);
+        return res;
 }
 static void __net_exit tcp_sk_exit_batch(struct list_head *net_exit_list)
diff --git a/net/ipv4/tcp_scalable.c b/net/ipv4/tcp_scalable.c
index 6824afb65d93..333bcb2415ff 100644
--- a/net/ipv4/tcp_scalable.c
+++ b/net/ipv4/tcp_scalable.c
@@ -25,7 +25,8 @@ static void tcp_scalable_cong_avoid(struct sock *sk, u32 ack, u32 acked)
        if (tp->snd_cwnd <= tp->snd_ssthresh)
                tcp_slow_start(tp, acked);
        else
-                tcp_cong_avoid_ai(tp, min(tp->snd_cwnd, TCP_SCALABLE_AI_CNT));
+                tcp_cong_avoid_ai(tp, min(tp->snd_cwnd, TCP_SCALABLE_AI_CNT),
+                                  1);
 }
 static u32 tcp_scalable_ssthresh(struct sock *sk)
diff --git a/net/ipv4/tcp_veno.c b/net/ipv4/tcp_veno.c
index a4d2d2d88dca..112151eeee45 100644
--- a/net/ipv4/tcp_veno.c
+++ b/net/ipv4/tcp_veno.c
@@ -159,7 +159,7 @@ static void tcp_veno_cong_avoid(struct sock *sk, u32 ack, u32 acked)
                                /* In the "non-congestive state", increase cwnd
                                 *  every rtt.
                                 */
-                                tcp_cong_avoid_ai(tp, tp->snd_cwnd);
+                                tcp_cong_avoid_ai(tp, tp->snd_cwnd, 1);
                        } else {
                                /* In the "congestive state", increase cwnd
                                 * every other rtt.
diff --git a/net/ipv4/tcp_yeah.c b/net/ipv4/tcp_yeah.c
index cd7273218598..17d35662930d 100644
--- a/net/ipv4/tcp_yeah.c
+++ b/net/ipv4/tcp_yeah.c
@@ -92,7 +92,7 @@ static void tcp_yeah_cong_avoid(struct sock *sk, u32 ack, u32 acked)
        } else {
                /* Reno */
-                tcp_cong_avoid_ai(tp, tp->snd_cwnd);
+                tcp_cong_avoid_ai(tp, tp->snd_cwnd, 1);
        }
        /* The key players are v_vegas.beg_snd_una and v_beg_snd_nxt.
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 6dee2a8ca0a9..bc28b7d42a6d 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -417,7 +417,7 @@ static void ip6gre_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
                if (code == ICMPV6_HDR_FIELD)
                        teli = ip6_tnl_parse_tlv_enc_lim(skb, skb->data);
-                if (teli && teli == info - 2) {
+                if (teli && teli == be32_to_cpu(info) - 2) {
                        tel = (struct ipv6_tlv_tnl_enc_lim *) &skb->data[teli];
                        if (tel->encap_limit == 0) {
                                net_warn_ratelimited("%s: Too small encapsulation limit or routing loop in tunnel!\n",
@@ -429,7 +429,7 @@ static void ip6gre_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
                }
                break;
        case ICMPV6_PKT_TOOBIG:
-                mtu = info - offset;
+                mtu = be32_to_cpu(info) - offset;
                if (mtu < IPV6_MIN_MTU)
                        mtu = IPV6_MIN_MTU;
                t->dev->mtu = mtu;
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 1a036f35d833..d33df4cbd872 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -537,20 +537,6 @@ static void ip6_copy_metadata(struct sk_buff *to, struct sk_buff *from)
        skb_copy_secmark(to, from);
 }
-static void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt)
-{
-        static u32 ip6_idents_hashrnd __read_mostly;
-        u32 hash, id;
-        net_get_random_once(&ip6_idents_hashrnd, sizeof(ip6_idents_hashrnd));
-        hash = __ipv6_addr_jhash(&rt->rt6i_dst.addr, ip6_idents_hashrnd);
-        hash = __ipv6_addr_jhash(&rt->rt6i_src.addr, hash);
-        id = ip_idents_reserve(hash, 1);
-        fhdr->identification = htonl(id);
-}
 int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 {
        struct sk_buff *frag;
diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c
index 97f41a3e68d9..54520a0bd5e3 100644
--- a/net/ipv6/output_core.c
+++ b/net/ipv6/output_core.c
@@ -9,6 +9,24 @@
 #include <net/addrconf.h>
 #include <net/secure_seq.h>
+u32 __ipv6_select_ident(u32 hashrnd, struct in6_addr *dst, struct in6_addr *src)
+{
+        u32 hash, id;
+        hash = __ipv6_addr_jhash(dst, hashrnd);
+        hash = __ipv6_addr_jhash(src, hash);
+        /* Treat id of 0 as unset and if we get 0 back from ip_idents_reserve,
+         * set the hight order instead thus minimizing possible future
+         * collisions.
+         */
+        id = ip_idents_reserve(hash, 1);
+        if (unlikely(!id))
+                id = 1 << 31;
+        return id;
+}
 /* This function exists only for tap drivers that must support broken
 * clients requesting UFO without specifying an IPv6 fragment ID.
 *
@@ -22,7 +40,7 @@ void ipv6_proxy_select_ident(struct sk_buff *skb)
        static u32 ip6_proxy_idents_hashrnd __read_mostly;
        struct in6_addr buf[2];
        struct in6_addr *addrs;
-        u32 hash, id;
+        u32 id;
        addrs = skb_header_pointer(skb,
                                   skb_network_offset(skb) +
@@ -34,14 +52,25 @@ void ipv6_proxy_select_ident(struct sk_buff *skb)
        net_get_random_once(&ip6_proxy_idents_hashrnd,
                            sizeof(ip6_proxy_idents_hashrnd));
-        hash = __ipv6_addr_jhash(&addrs[1], ip6_proxy_idents_hashrnd);
+        id = __ipv6_select_ident(ip6_proxy_idents_hashrnd,
-        hash = __ipv6_addr_jhash(&addrs[0], hash);
+                                 &addrs[1], &addrs[0]);
+        skb_shinfo(skb)->ip6_frag_id = id;
-        id = ip_idents_reserve(hash, 1);
-        skb_shinfo(skb)->ip6_frag_id = htonl(id);
 }
 EXPORT_SYMBOL_GPL(ipv6_proxy_select_ident);
+void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt)
+{
+        static u32 ip6_idents_hashrnd __read_mostly;
+        u32 id;
+        net_get_random_once(&ip6_idents_hashrnd, sizeof(ip6_idents_hashrnd));
+        id = __ipv6_select_ident(ip6_idents_hashrnd, &rt->rt6i_dst.addr,
+                                 &rt->rt6i_src.addr);
+        fhdr->identification = htonl(id);
+}
+EXPORT_SYMBOL(ipv6_select_ident);
 int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr)
 {
        u16 offset = sizeof(struct ipv6hdr);
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 3cc197c72b59..e4cbd5798eba 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1506,12 +1506,12 @@ static bool ipip6_netlink_encap_parms(struct nlattr *data[],
        if (data[IFLA_IPTUN_ENCAP_SPORT]) {
                ret = true;
-                ipencap->sport = nla_get_u16(data[IFLA_IPTUN_ENCAP_SPORT]);
+                ipencap->sport = nla_get_be16(data[IFLA_IPTUN_ENCAP_SPORT]);
        }
        if (data[IFLA_IPTUN_ENCAP_DPORT]) {
                ret = true;
-                ipencap->dport = nla_get_u16(data[IFLA_IPTUN_ENCAP_DPORT]);
+                ipencap->dport = nla_get_be16(data[IFLA_IPTUN_ENCAP_DPORT]);
        }
        return ret;
@@ -1707,9 +1707,9 @@ static int ipip6_fill_info(struct sk_buff *skb, const struct net_device *dev)
        if (nla_put_u16(skb, IFLA_IPTUN_ENCAP_TYPE,
                        tunnel->encap.type) ||
-            nla_put_u16(skb, IFLA_IPTUN_ENCAP_SPORT,
+            nla_put_be16(skb, IFLA_IPTUN_ENCAP_SPORT,
                        tunnel->encap.sport) ||
-            nla_put_u16(skb, IFLA_IPTUN_ENCAP_DPORT,
+            nla_put_be16(skb, IFLA_IPTUN_ENCAP_DPORT,
                        tunnel->encap.dport) ||
            nla_put_u16(skb, IFLA_IPTUN_ENCAP_FLAGS,
                        tunnel->encap.flags))
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c
index b6aa8ed18257..a56276996b72 100644
--- a/net/ipv6/udp_offload.c
+++ b/net/ipv6/udp_offload.c
@@ -52,6 +52,10 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb,
                skb_shinfo(skb)->gso_segs = DIV_ROUND_UP(skb->len, mss);
+                /* Set the IPv6 fragment id if not set yet */
+                if (!skb_shinfo(skb)->ip6_frag_id)
+                        ipv6_proxy_select_ident(skb);
                segs = NULL;
                goto out;
        }
@@ -108,7 +112,11 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb,
                fptr = (struct frag_hdr *)(skb_network_header(skb) + unfrag_ip6hlen);
                fptr->nexthdr = nexthdr;
                fptr->reserved = 0;
-                fptr->identification = skb_shinfo(skb)->ip6_frag_id;
+                if (skb_shinfo(skb)->ip6_frag_id)
+                        fptr->identification = skb_shinfo(skb)->ip6_frag_id;
+                else
+                        ipv6_select_ident(fptr,
+                                          (struct rt6_info *)skb_dst(skb));
                /* Fragment the skb. ipv6 header and the remaining fields of the
                 * fragment header are updated in ipv6_gso_segment()
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 990decba1fe4..b87ca32efa0b 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -659,16 +659,24 @@ static inline int ip_vs_gather_frags(struct sk_buff *skb, u_int32_t user)
        return err;
 }
-static int ip_vs_route_me_harder(int af, struct sk_buff *skb)
+static int ip_vs_route_me_harder(int af, struct sk_buff *skb,
+                                 unsigned int hooknum)
 {
+        if (!sysctl_snat_reroute(skb))
+                return 0;
+        /* Reroute replies only to remote clients (FORWARD and LOCAL_OUT) */
+        if (NF_INET_LOCAL_IN == hooknum)
+                return 0;
 #ifdef CONFIG_IP_VS_IPV6
        if (af == AF_INET6) {
-                if (sysctl_snat_reroute(skb) && ip6_route_me_harder(skb) != 0)
+                struct dst_entry *dst = skb_dst(skb);
+                if (dst->dev && !(dst->dev->flags & IFF_LOOPBACK) &&
+                    ip6_route_me_harder(skb) != 0)
                        return 1;
        } else
 #endif
-                if ((sysctl_snat_reroute(skb) ||
+                if (!(skb_rtable(skb)->rt_flags & RTCF_LOCAL) &&
-                     skb_rtable(skb)->rt_flags & RTCF_LOCAL) &&
                    ip_route_me_harder(skb, RTN_LOCAL) != 0)
                        return 1;
@@ -791,7 +799,8 @@ static int handle_response_icmp(int af, struct sk_buff *skb,
                                union nf_inet_addr *snet,
                                __u8 protocol, struct ip_vs_conn *cp,
                                struct ip_vs_protocol *pp,
-                                unsigned int offset, unsigned int ihl)
+                                unsigned int offset, unsigned int ihl,
+                                unsigned int hooknum)
 {
        unsigned int verdict = NF_DROP;
@@ -821,7 +830,7 @@ static int handle_response_icmp(int af, struct sk_buff *skb,
 #endif
                ip_vs_nat_icmp(skb, pp, cp, 1);
-        if (ip_vs_route_me_harder(af, skb))
+        if (ip_vs_route_me_harder(af, skb, hooknum))
                goto out;
        /* do the statistics and put it back */
@@ -916,7 +925,7 @@ static int ip_vs_out_icmp(struct sk_buff *skb, int *related,
        snet.ip = iph->saddr;
        return handle_response_icmp(AF_INET, skb, &snet, cih->protocol, cp,
-                                    pp, ciph.len, ihl);
+                                    pp, ciph.len, ihl, hooknum);
 }
 #ifdef CONFIG_IP_VS_IPV6
@@ -981,7 +990,8 @@ static int ip_vs_out_icmp_v6(struct sk_buff *skb, int *related,
        snet.in6 = ciph.saddr.in6;
        writable = ciph.len;
        return handle_response_icmp(AF_INET6, skb, &snet, ciph.protocol, cp,
-                                    pp, writable, sizeof(struct ipv6hdr));
+                                    pp, writable, sizeof(struct ipv6hdr),
+                                    hooknum);
 }
 #endif
@@ -1040,7 +1050,8 @@ static inline bool is_new_conn(const struct sk_buff *skb,
 */
 static unsigned int
 handle_response(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
-                struct ip_vs_conn *cp, struct ip_vs_iphdr *iph)
+                struct ip_vs_conn *cp, struct ip_vs_iphdr *iph,
+                unsigned int hooknum)
 {
        struct ip_vs_protocol *pp = pd->pp;
@@ -1078,7 +1089,7 @@ handle_response(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
         * if it came from this machine itself.  So re-compute
         * the routing information.
         */
-        if (ip_vs_route_me_harder(af, skb))
+        if (ip_vs_route_me_harder(af, skb, hooknum))
                goto drop;
        IP_VS_DBG_PKT(10, af, pp, skb, 0, "After SNAT");
@@ -1181,7 +1192,7 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb, int af)
        cp = pp->conn_out_get(af, skb, &iph, 0);
        if (likely(cp))
-                return handle_response(af, skb, pd, cp, &iph);
+                return handle_response(af, skb, pd, cp, &iph, hooknum);
        if (sysctl_nat_icmp_send(net) &&
            (pp->protocol == IPPROTO_TCP ||
             pp->protocol == IPPROTO_UDP ||
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 70f697827b9b..199fd0f27b0e 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -1136,9 +1136,11 @@ static struct nft_stats __percpu *nft_stats_alloc(const struct nlattr *attr)
        /* Restore old counters on this cpu, no problem. Per-cpu statistics
         * are not exposed to userspace.
         */
+        preempt_disable();
        stats = this_cpu_ptr(newstats);
        stats->bytes = be64_to_cpu(nla_get_be64(tb[NFTA_COUNTER_BYTES]));
        stats->pkts = be64_to_cpu(nla_get_be64(tb[NFTA_COUNTER_PACKETS]));
+        preempt_enable();
        return newstats;
 }
@@ -1264,8 +1266,10 @@ static int nf_tables_newchain(struct sock *nlsk, struct sk_buff *skb,
                nft_ctx_init(&ctx, skb, nlh, afi, table, chain, nla);
                trans = nft_trans_alloc(&ctx, NFT_MSG_NEWCHAIN,
                                        sizeof(struct nft_trans_chain));
-                if (trans == NULL)
+                if (trans == NULL) {
+                        free_percpu(stats);
                        return -ENOMEM;
+                }
                nft_trans_chain_stats(trans) = stats;
                nft_trans_chain_update(trans) = true;
@@ -1321,8 +1325,10 @@ static int nf_tables_newchain(struct sock *nlsk, struct sk_buff *skb,
                hookfn = type->hooks[hooknum];
                basechain = kzalloc(sizeof(*basechain), GFP_KERNEL);
-                if (basechain == NULL)
+                if (basechain == NULL) {
+                        module_put(type->owner);
                        return -ENOMEM;
+                }
                if (nla[NFTA_CHAIN_COUNTERS]) {
                        stats = nft_stats_alloc(nla[NFTA_CHAIN_COUNTERS]);
@@ -3759,6 +3765,24 @@ int nft_chain_validate_dependency(const struct nft_chain *chain,
 }
 EXPORT_SYMBOL_GPL(nft_chain_validate_dependency);
+int nft_chain_validate_hooks(const struct nft_chain *chain,
+                             unsigned int hook_flags)
+{
+        struct nft_base_chain *basechain;
+        if (chain->flags & NFT_BASE_CHAIN) {
+                basechain = nft_base_chain(chain);
+                if ((1 << basechain->ops[0].hooknum) & hook_flags)
+                        return 0;
+                return -EOPNOTSUPP;
+        }
+        return 0;
+}
+EXPORT_SYMBOL_GPL(nft_chain_validate_hooks);
 /*
 * Loop detection - walk through the ruleset beginning at the destination chain
 * of a new jump until either the source chain is reached (loop) or all
diff --git a/net/netfilter/nft_masq.c b/net/netfilter/nft_masq.c
index d1ffd5eb3a9b..9aea747b43ea 100644
--- a/net/netfilter/nft_masq.c
+++ b/net/netfilter/nft_masq.c
@@ -21,6 +21,21 @@ const struct nla_policy nft_masq_policy[NFTA_MASQ_MAX + 1] = {
 };
 EXPORT_SYMBOL_GPL(nft_masq_policy);
+int nft_masq_validate(const struct nft_ctx *ctx,
+                      const struct nft_expr *expr,
+                      const struct nft_data **data)
+{
+        int err;
+        err = nft_chain_validate_dependency(ctx->chain, NFT_CHAIN_T_NAT);
+        if (err < 0)
+                return err;
+        return nft_chain_validate_hooks(ctx->chain,
+                                        (1 << NF_INET_POST_ROUTING));
+}
+EXPORT_SYMBOL_GPL(nft_masq_validate);
 int nft_masq_init(const struct nft_ctx *ctx,
                  const struct nft_expr *expr,
                  const struct nlattr * const tb[])
@@ -28,8 +43,8 @@ int nft_masq_init(const struct nft_ctx *ctx,
        struct nft_masq *priv = nft_expr_priv(expr);
        int err;
-        err = nft_chain_validate_dependency(ctx->chain, NFT_CHAIN_T_NAT);
+        err = nft_masq_validate(ctx, expr, NULL);
-        if (err < 0)
+        if (err)
                return err;
        if (tb[NFTA_MASQ_FLAGS] == NULL)
@@ -60,12 +75,5 @@ nla_put_failure:
 }
 EXPORT_SYMBOL_GPL(nft_masq_dump);
-int nft_masq_validate(const struct nft_ctx *ctx, const struct nft_expr *expr,
-                      const struct nft_data **data)
-{
-        return nft_chain_validate_dependency(ctx->chain, NFT_CHAIN_T_NAT);
-}
-EXPORT_SYMBOL_GPL(nft_masq_validate);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>");
diff --git a/net/netfilter/nft_nat.c b/net/netfilter/nft_nat.c
index aff54fb1c8a0..a0837c6c9283 100644
--- a/net/netfilter/nft_nat.c
+++ b/net/netfilter/nft_nat.c
@@ -88,17 +88,40 @@ static const struct nla_policy nft_nat_policy[NFTA_NAT_MAX + 1] = {
        [NFTA_NAT_FLAGS]         = { .type = NLA_U32 },
 };
-static int nft_nat_init(const struct nft_ctx *ctx, const struct nft_expr *expr,
+static int nft_nat_validate(const struct nft_ctx *ctx,
-                        const struct nlattr * const tb[])
+                            const struct nft_expr *expr,
+                            const struct nft_data **data)
 {
        struct nft_nat *priv = nft_expr_priv(expr);
-        u32 family;
        int err;
        err = nft_chain_validate_dependency(ctx->chain, NFT_CHAIN_T_NAT);
        if (err < 0)
                return err;
+        switch (priv->type) {
+        case NFT_NAT_SNAT:
+                err = nft_chain_validate_hooks(ctx->chain,
+                                               (1 << NF_INET_POST_ROUTING) |
+                                               (1 << NF_INET_LOCAL_IN));
+                break;
+        case NFT_NAT_DNAT:
+                err = nft_chain_validate_hooks(ctx->chain,
+                                               (1 << NF_INET_PRE_ROUTING) |
+                                               (1 << NF_INET_LOCAL_OUT));
+                break;
+        }
+        return err;
+}
+static int nft_nat_init(const struct nft_ctx *ctx, const struct nft_expr *expr,
+                        const struct nlattr * const tb[])
+{
+        struct nft_nat *priv = nft_expr_priv(expr);
+        u32 family;
+        int err;
        if (tb[NFTA_NAT_TYPE] == NULL ||
            (tb[NFTA_NAT_REG_ADDR_MIN] == NULL &&
             tb[NFTA_NAT_REG_PROTO_MIN] == NULL))
@@ -115,6 +138,10 @@ static int nft_nat_init(const struct nft_ctx *ctx, const struct nft_expr *expr,
                return -EINVAL;
        }
+        err = nft_nat_validate(ctx, expr, NULL);
+        if (err < 0)
+                return err;
        if (tb[NFTA_NAT_FAMILY] == NULL)
                return -EINVAL;
@@ -219,13 +246,6 @@ nla_put_failure:
        return -1;
 }
-static int nft_nat_validate(const struct nft_ctx *ctx,
-                            const struct nft_expr *expr,
-                            const struct nft_data **data)
-{
-        return nft_chain_validate_dependency(ctx->chain, NFT_CHAIN_T_NAT);
-}
 static struct nft_expr_type nft_nat_type;
 static const struct nft_expr_ops nft_nat_ops = {
        .type           = &nft_nat_type,
diff --git a/net/netfilter/nft_redir.c b/net/netfilter/nft_redir.c
index 9e8093f28311..d7e9e93a4e90 100644
--- a/net/netfilter/nft_redir.c
+++ b/net/netfilter/nft_redir.c
@@ -23,6 +23,22 @@ const struct nla_policy nft_redir_policy[NFTA_REDIR_MAX + 1] = {
 };
 EXPORT_SYMBOL_GPL(nft_redir_policy);
+int nft_redir_validate(const struct nft_ctx *ctx,
+                       const struct nft_expr *expr,
+                       const struct nft_data **data)
+{
+        int err;
+        err = nft_chain_validate_dependency(ctx->chain, NFT_CHAIN_T_NAT);
+        if (err < 0)
+                return err;
+        return nft_chain_validate_hooks(ctx->chain,
+                                        (1 << NF_INET_PRE_ROUTING) |
+                                        (1 << NF_INET_LOCAL_OUT));
+}
+EXPORT_SYMBOL_GPL(nft_redir_validate);
 int nft_redir_init(const struct nft_ctx *ctx,
                   const struct nft_expr *expr,
                   const struct nlattr * const tb[])
@@ -30,7 +46,7 @@ int nft_redir_init(const struct nft_ctx *ctx,
        struct nft_redir *priv = nft_expr_priv(expr);
        int err;
-        err = nft_chain_validate_dependency(ctx->chain, NFT_CHAIN_T_NAT);
+        err = nft_redir_validate(ctx, expr, NULL);
        if (err < 0)
                return err;
@@ -88,12 +104,5 @@ nla_put_failure:
 }
 EXPORT_SYMBOL_GPL(nft_redir_dump);
-int nft_redir_validate(const struct nft_ctx *ctx, const struct nft_expr *expr,
-                       const struct nft_data **data)
-{
-        return nft_chain_validate_dependency(ctx->chain, NFT_CHAIN_T_NAT);
-}
-EXPORT_SYMBOL_GPL(nft_redir_validate);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>");
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 6feb16d5e1b8..2702673f0f23 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1438,7 +1438,7 @@ static void netlink_undo_bind(int group, long unsigned int groups,
        for (undo = 0; undo < group; undo++)
                if (test_bit(undo, &groups))
-                        nlk->netlink_unbind(sock_net(sk), undo);
+                        nlk->netlink_unbind(sock_net(sk), undo + 1);
 }
 static int netlink_bind(struct socket *sock, struct sockaddr *addr,
@@ -1476,7 +1476,7 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr,
                for (group = 0; group < nlk->ngroups; group++) {
                        if (!test_bit(group, &groups))
                                continue;
-                        err = nlk->netlink_bind(net, group);
+                        err = nlk->netlink_bind(net, group + 1);
                        if (!err)
                                continue;
                        netlink_undo_bind(group, groups, sk);
diff --git a/net/rds/sysctl.c b/net/rds/sysctl.c
index c3b0cd43eb56..c173f69e1479 100644
--- a/net/rds/sysctl.c
+++ b/net/rds/sysctl.c
@@ -71,14 +71,14 @@ static struct ctl_table rds_sysctl_rds_table[] = {
        {
                .procname       = "max_unacked_packets",
                .data           = &rds_sysctl_max_unacked_packets,
-                .maxlen         = sizeof(unsigned long),
+                .maxlen         = sizeof(int),
                .mode           = 0644,
                .proc_handler   = proc_dointvec,
        },
        {
                .procname       = "max_unacked_bytes",
                .data           = &rds_sysctl_max_unacked_bytes,
-                .maxlen         = sizeof(unsigned long),
+                .maxlen         = sizeof(int),
                .mode           = 0644,
                .proc_handler   = proc_dointvec,
        },
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index aad6a679fb13..baef987fe2c0 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -556,8 +556,9 @@ void tcf_exts_change(struct tcf_proto *tp, struct tcf_exts *dst,
 }
 EXPORT_SYMBOL(tcf_exts_change);
-#define tcf_exts_first_act(ext) \
+#define tcf_exts_first_act(ext)                                 \
-                list_first_entry(&(exts)->actions, struct tc_action, list)
+        list_first_entry_or_null(&(exts)->actions,              \
+                                 struct tc_action, list)
 int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts)
 {
@@ -603,7 +604,7 @@ int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts)
 {
 #ifdef CONFIG_NET_CLS_ACT
        struct tc_action *a = tcf_exts_first_act(exts);
-        if (tcf_action_copy_stats(skb, a, 1) < 0)
+        if (a != NULL && tcf_action_copy_stats(skb, a, 1) < 0)
                return -1;
 #endif
        return 0;
diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c
index a00c43043001..dfcea20e3171 100644
--- a/net/sched/sch_fq.c
+++ b/net/sched/sch_fq.c
@@ -686,8 +686,14 @@ static int fq_change(struct Qdisc *sch, struct nlattr *opt)
        if (tb[TCA_FQ_FLOW_PLIMIT])
                q->flow_plimit = nla_get_u32(tb[TCA_FQ_FLOW_PLIMIT]);
-        if (tb[TCA_FQ_QUANTUM])
+        if (tb[TCA_FQ_QUANTUM]) {
-                q->quantum = nla_get_u32(tb[TCA_FQ_QUANTUM]);
+                u32 quantum = nla_get_u32(tb[TCA_FQ_QUANTUM]);
+                if (quantum > 0)
+                        q->quantum = quantum;
+                else
+                        err = -EINVAL;
+        }
        if (tb[TCA_FQ_INITIAL_QUANTUM])
                q->initial_quantum = nla_get_u32(tb[TCA_FQ_INITIAL_QUANTUM]);
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index e49e231cef52..06320c8c1c86 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -2608,7 +2608,7 @@ do_addr_param:
                addr_param = param.v + sizeof(sctp_addip_param_t);
-                af = sctp_get_af_specific(param_type2af(param.p->type));
+                af = sctp_get_af_specific(param_type2af(addr_param->p.type));
                if (af == NULL)
                        break;
diff --git a/sound/core/seq/seq_dummy.c b/sound/core/seq/seq_dummy.c
index ec667f158f19..5d905d90d504 100644
--- a/sound/core/seq/seq_dummy.c
+++ b/sound/core/seq/seq_dummy.c
@@ -82,36 +82,6 @@ struct snd_seq_dummy_port {
 static int my_client = -1;
 /*
- * unuse callback - send ALL_SOUNDS_OFF and RESET_CONTROLLERS events
- * to subscribers.
- * Note: this callback is called only after all subscribers are removed.
- */
-static int
-dummy_unuse(void *private_data, struct snd_seq_port_subscribe *info)
-{
-        struct snd_seq_dummy_port *p;
-        int i;
-        struct snd_seq_event ev;
-        p = private_data;
-        memset(&ev, 0, sizeof(ev));
-        if (p->duplex)
-                ev.source.port = p->connect;
-        else
-                ev.source.port = p->port;
-        ev.dest.client = SNDRV_SEQ_ADDRESS_SUBSCRIBERS;
-        ev.type = SNDRV_SEQ_EVENT_CONTROLLER;
-        for (i = 0; i < 16; i++) {
-                ev.data.control.channel = i;
-                ev.data.control.param = MIDI_CTL_ALL_SOUNDS_OFF;
-                snd_seq_kernel_client_dispatch(p->client, &ev, 0, 0);
-                ev.data.control.param = MIDI_CTL_RESET_CONTROLLERS;
-                snd_seq_kernel_client_dispatch(p->client, &ev, 0, 0);
-        }
-        return 0;
-}
-/*
 * event input callback - just redirect events to subscribers
 */
 static int
@@ -175,7 +145,6 @@ create_port(int idx, int type)
                | SNDRV_SEQ_PORT_TYPE_PORT;
        memset(&pcb, 0, sizeof(pcb));
        pcb.owner = THIS_MODULE;
-        pcb.unuse = dummy_unuse;
        pcb.event_input = dummy_input;
        pcb.private_free = dummy_free;
        pcb.private_data = rec;
diff --git a/sound/soc/adi/axi-i2s.c b/sound/soc/adi/axi-i2s.c
index 7752860f7230..4c23381727a1 100644
--- a/sound/soc/adi/axi-i2s.c
+++ b/sound/soc/adi/axi-i2s.c
@@ -240,6 +240,8 @@ static int axi_i2s_probe(struct platform_device *pdev)
        if (ret)
                goto err_clk_disable;
+        return 0;
 err_clk_disable:
        clk_disable_unprepare(i2s->clk);
        return ret;
diff --git a/sound/soc/codecs/pcm512x.c b/sound/soc/codecs/pcm512x.c
index e5f2fb884bf3..30c673cdc12e 100644
--- a/sound/soc/codecs/pcm512x.c
+++ b/sound/soc/codecs/pcm512x.c
@@ -188,8 +188,8 @@ static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 80, 0);
 static const char * const pcm512x_dsp_program_texts[] = {
        "FIR interpolation with de-emphasis",
        "Low latency IIR with de-emphasis",
-        "Fixed process flow",
        "High attenuation with de-emphasis",
+        "Fixed process flow",
        "Ringing-less low latency FIR",
 };
diff --git a/sound/soc/codecs/rt286.c b/sound/soc/codecs/rt286.c
index 2cd4fe463102..1d1c7f8a9af2 100644
--- a/sound/soc/codecs/rt286.c
+++ b/sound/soc/codecs/rt286.c
@@ -861,10 +861,8 @@ static int rt286_hw_params(struct snd_pcm_substream *substream,
                RT286_I2S_CTRL1, 0x0018, d_len_code << 3);
        dev_dbg(codec->dev, "format val = 0x%x\n", val);
-        if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+        snd_soc_update_bits(codec, RT286_DAC_FORMAT, 0x407f, val);
-                snd_soc_update_bits(codec, RT286_DAC_FORMAT, 0x407f, val);
+        snd_soc_update_bits(codec, RT286_ADC_FORMAT, 0x407f, val);
-        else
-                snd_soc_update_bits(codec, RT286_ADC_FORMAT, 0x407f, val);
        return 0;
 }
diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
index c0fbe1881439..918ada9738b0 100644
--- a/sound/soc/codecs/rt5677.c
+++ b/sound/soc/codecs/rt5677.c
@@ -2083,10 +2083,14 @@ static int rt5677_set_pll1_event(struct snd_soc_dapm_widget *w,
        struct rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec);
        switch (event) {
-        case SND_SOC_DAPM_POST_PMU:
+        case SND_SOC_DAPM_PRE_PMU:
                regmap_update_bits(rt5677->regmap, RT5677_PLL1_CTRL2, 0x2, 0x2);
+                break;
+        case SND_SOC_DAPM_POST_PMU:
                regmap_update_bits(rt5677->regmap, RT5677_PLL1_CTRL2, 0x2, 0x0);
                break;
        default:
                return 0;
        }
@@ -2101,10 +2105,14 @@ static int rt5677_set_pll2_event(struct snd_soc_dapm_widget *w,
        struct rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec);
        switch (event) {
-        case SND_SOC_DAPM_POST_PMU:
+        case SND_SOC_DAPM_PRE_PMU:
                regmap_update_bits(rt5677->regmap, RT5677_PLL2_CTRL2, 0x2, 0x2);
+                break;
+        case SND_SOC_DAPM_POST_PMU:
                regmap_update_bits(rt5677->regmap, RT5677_PLL2_CTRL2, 0x2, 0x0);
                break;
        default:
                return 0;
        }
@@ -2212,9 +2220,11 @@ static int rt5677_vref_event(struct snd_soc_dapm_widget *w,
 static const struct snd_soc_dapm_widget rt5677_dapm_widgets[] = {
        SND_SOC_DAPM_SUPPLY("PLL1", RT5677_PWR_ANLG2, RT5677_PWR_PLL1_BIT,
-                0, rt5677_set_pll1_event, SND_SOC_DAPM_POST_PMU),
+                0, rt5677_set_pll1_event, SND_SOC_DAPM_PRE_PMU |
+                SND_SOC_DAPM_POST_PMU),
        SND_SOC_DAPM_SUPPLY("PLL2", RT5677_PWR_ANLG2, RT5677_PWR_PLL2_BIT,
-                0, rt5677_set_pll2_event, SND_SOC_DAPM_POST_PMU),
+                0, rt5677_set_pll2_event, SND_SOC_DAPM_PRE_PMU |
+                SND_SOC_DAPM_POST_PMU),
        /* Input Side */
        /* micbias */
diff --git a/sound/soc/codecs/ts3a227e.c b/sound/soc/codecs/ts3a227e.c
index 1d1205702d23..9f2dced046de 100644
--- a/sound/soc/codecs/ts3a227e.c
+++ b/sound/soc/codecs/ts3a227e.c
@@ -254,6 +254,7 @@ static int ts3a227e_i2c_probe(struct i2c_client *i2c,
        struct ts3a227e *ts3a227e;
        struct device *dev = &i2c->dev;
        int ret;
+        unsigned int acc_reg;
        ts3a227e = devm_kzalloc(&i2c->dev, sizeof(*ts3a227e), GFP_KERNEL);
        if (ts3a227e == NULL)
@@ -283,6 +284,11 @@ static int ts3a227e_i2c_probe(struct i2c_client *i2c,
                           INTB_DISABLE | ADC_COMPLETE_INT_DISABLE,
                           ADC_COMPLETE_INT_DISABLE);
+        /* Read jack status because chip might not trigger interrupt at boot. */
+        regmap_read(ts3a227e->regmap, TS3A227E_REG_ACCESSORY_STATUS, &acc_reg);
+        ts3a227e_new_jack_state(ts3a227e, acc_reg);
+        ts3a227e_jack_report(ts3a227e);
        return 0;
 }
diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c
index 4d2d2b1380d5..75b87c5c0f04 100644
--- a/sound/soc/codecs/wm8904.c
+++ b/sound/soc/codecs/wm8904.c
@@ -1076,10 +1076,13 @@ static const struct snd_soc_dapm_route adc_intercon[] = {
        { "Right Capture PGA", NULL, "Right Capture Mux" },
        { "Right Capture PGA", NULL, "Right Capture Inverting Mux" },
-        { "AIFOUTL", "Left",  "ADCL" },
+        { "AIFOUTL Mux", "Left", "ADCL" },
-        { "AIFOUTL", "Right", "ADCR" },
+        { "AIFOUTL Mux", "Right", "ADCR" },
-        { "AIFOUTR", "Left",  "ADCL" },
+        { "AIFOUTR Mux", "Left", "ADCL" },
-        { "AIFOUTR", "Right", "ADCR" },
+        { "AIFOUTR Mux", "Right", "ADCR" },
+        { "AIFOUTL", NULL, "AIFOUTL Mux" },
+        { "AIFOUTR", NULL, "AIFOUTR Mux" },
        { "ADCL", NULL, "CLK_DSP" },
        { "ADCL", NULL, "Left Capture PGA" },
@@ -1089,12 +1092,16 @@ static const struct snd_soc_dapm_route adc_intercon[] = {
 };
 static const struct snd_soc_dapm_route dac_intercon[] = {
-        { "DACL", "Right", "AIFINR" },
+        { "DACL Mux", "Left", "AIFINL" },
-        { "DACL", "Left",  "AIFINL" },
+        { "DACL Mux", "Right", "AIFINR" },
+        { "DACR Mux", "Left", "AIFINL" },
+        { "DACR Mux", "Right", "AIFINR" },
+        { "DACL", NULL, "DACL Mux" },
        { "DACL", NULL, "CLK_DSP" },
-        { "DACR", "Right", "AIFINR" },
+        { "DACR", NULL, "DACR Mux" },
-        { "DACR", "Left",  "AIFINL" },
        { "DACR", NULL, "CLK_DSP" },
        { "Charge pump", NULL, "SYSCLK" },
diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c
index 031a1ae71d94..a96eb497a379 100644
--- a/sound/soc/codecs/wm8960.c
+++ b/sound/soc/codecs/wm8960.c
@@ -556,7 +556,7 @@ static struct {
        { 22050, 2 },
        { 24000, 2 },
        { 16000, 3 },
-        { 11250, 4 },
+        { 11025, 4 },
        { 12000, 4 },
        {  8000, 5 },
 };
diff --git a/sound/soc/fsl/fsl_esai.h b/sound/soc/fsl/fsl_esai.h
index 91a550f4a10d..5e793bbb6b02 100644
--- a/sound/soc/fsl/fsl_esai.h
+++ b/sound/soc/fsl/fsl_esai.h
@@ -302,7 +302,7 @@
 #define ESAI_xCCR_xFP_MASK      (((1 << ESAI_xCCR_xFP_WIDTH) - 1) << ESAI_xCCR_xFP_SHIFT)
 #define ESAI_xCCR_xFP(v)        ((((v) - 1) << ESAI_xCCR_xFP_SHIFT) & ESAI_xCCR_xFP_MASK)
 #define ESAI_xCCR_xDC_SHIFT     9
-#define ESAI_xCCR_xDC_WIDTH     4
+#define ESAI_xCCR_xDC_WIDTH     5
 #define ESAI_xCCR_xDC_MASK      (((1 << ESAI_xCCR_xDC_WIDTH) - 1) << ESAI_xCCR_xDC_SHIFT)
 #define ESAI_xCCR_xDC(v)        ((((v) - 1) << ESAI_xCCR_xDC_SHIFT) & ESAI_xCCR_xDC_MASK)
 #define ESAI_xCCR_xPSR_SHIFT    8
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index a65f17d57ffb..059496ed9ad7 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -1362,9 +1362,9 @@ static int fsl_ssi_probe(struct platform_device *pdev)
        }
        ssi_private->irq = platform_get_irq(pdev, 0);
-        if (!ssi_private->irq) {
+        if (ssi_private->irq < 0) {
                dev_err(&pdev->dev, "no irq for node %s\n", np->full_name);
-                return -ENXIO;
+                return ssi_private->irq;
        }
        /* Are the RX and the TX clocks locked? */
diff --git a/sound/soc/fsl/imx-wm8962.c b/sound/soc/fsl/imx-wm8962.c
index 4caacb05a623..cd146d4fa805 100644
--- a/sound/soc/fsl/imx-wm8962.c
+++ b/sound/soc/fsl/imx-wm8962.c
@@ -257,6 +257,7 @@ static int imx_wm8962_probe(struct platform_device *pdev)
        if (ret)
                goto clk_fail;
        data->card.num_links = 1;
+        data->card.owner = THIS_MODULE;
        data->card.dai_link = &data->dai;
        data->card.dapm_widgets = imx_wm8962_dapm_widgets;
        data->card.num_dapm_widgets = ARRAY_SIZE(imx_wm8962_dapm_widgets);
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index fb9240fdc9b7..7fe3009b1c43 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -452,9 +452,8 @@ static int asoc_simple_card_parse_of(struct device_node *node,
 }
 /* Decrease the reference count of the device nodes */
-static int asoc_simple_card_unref(struct platform_device *pdev)
+static int asoc_simple_card_unref(struct snd_soc_card *card)
 {
-        struct snd_soc_card *card = platform_get_drvdata(pdev);
        struct snd_soc_dai_link *dai_link;
        int num_links;
@@ -556,7 +555,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
                return ret;
 err:
-        asoc_simple_card_unref(pdev);
+        asoc_simple_card_unref(&priv->snd_card);
        return ret;
 }
@@ -572,7 +571,7 @@ static int asoc_simple_card_remove(struct platform_device *pdev)
                snd_soc_jack_free_gpios(&simple_card_mic_jack, 1,
                                        &simple_card_mic_jack_gpio);
-        return asoc_simple_card_unref(pdev);
+        return asoc_simple_card_unref(card);
 }
 static const struct of_device_id asoc_simple_of_match[] = {
diff --git a/sound/soc/intel/sst-firmware.c b/sound/soc/intel/sst-firmware.c
index ef2e8b5766a1..b3f9489794a6 100644
--- a/sound/soc/intel/sst-firmware.c
+++ b/sound/soc/intel/sst-firmware.c
@@ -706,6 +706,7 @@ static int block_alloc_fixed(struct sst_dsp *dsp, struct sst_block_allocator *ba
        struct list_head *block_list)
 {
        struct sst_mem_block *block, *tmp;
+        struct sst_block_allocator ba_tmp = *ba;
        u32 end = ba->offset + ba->size, block_end;
        int err;
@@ -730,9 +731,9 @@ static int block_alloc_fixed(struct sst_dsp *dsp, struct sst_block_allocator *ba
                if (ba->offset >= block->offset && ba->offset < block_end) {
                        /* align ba to block boundary */
-                        ba->size -= block_end - ba->offset;
+                        ba_tmp.size -= block_end - ba->offset;
-                        ba->offset = block_end;
+                        ba_tmp.offset = block_end;
-                        err = block_alloc_contiguous(dsp, ba, block_list);
+                        err = block_alloc_contiguous(dsp, &ba_tmp, block_list);
                        if (err < 0)
                                return -ENOMEM;
@@ -767,10 +768,10 @@ static int block_alloc_fixed(struct sst_dsp *dsp, struct sst_block_allocator *ba
                        list_move(&block->list, &dsp->used_block_list);
                        list_add(&block->module_list, block_list);
                        /* align ba to block boundary */
-                        ba->size -= block_end - ba->offset;
+                        ba_tmp.size -= block_end - ba->offset;
-                        ba->offset = block_end;
+                        ba_tmp.offset = block_end;
-                        err = block_alloc_contiguous(dsp, ba, block_list);
+                        err = block_alloc_contiguous(dsp, &ba_tmp, block_list);
                        if (err < 0)
                                return -ENOMEM;
diff --git a/sound/soc/intel/sst-haswell-ipc.c b/sound/soc/intel/sst-haswell-ipc.c
index 3f8c48231364..5bf14040c24a 100644
--- a/sound/soc/intel/sst-haswell-ipc.c
+++ b/sound/soc/intel/sst-haswell-ipc.c
@@ -1228,6 +1228,11 @@ int sst_hsw_stream_free(struct sst_hsw *hsw, struct sst_hsw_stream *stream)
        struct sst_dsp *sst = hsw->dsp;
        unsigned long flags;
+        if (!stream) {
+                dev_warn(hsw->dev, "warning: stream is NULL, no stream to free, ignore it.\n");
+                return 0;
+        }
        /* dont free DSP streams that are not commited */
        if (!stream->commited)
                goto out;
@@ -1415,6 +1420,16 @@ int sst_hsw_stream_commit(struct sst_hsw *hsw, struct sst_hsw_stream *stream)
        u32 header;
        int ret;
+        if (!stream) {
+                dev_warn(hsw->dev, "warning: stream is NULL, no stream to commit, ignore it.\n");
+                return 0;
+        }
+        if (stream->commited) {
+                dev_warn(hsw->dev, "warning: stream is already committed, ignore it.\n");
+                return 0;
+        }
        trace_ipc_request("stream alloc", stream->host_id);
        header = IPC_GLB_TYPE(IPC_GLB_ALLOCATE_STREAM);
@@ -1519,6 +1534,11 @@ int sst_hsw_stream_pause(struct sst_hsw *hsw, struct sst_hsw_stream *stream,
 {
        int ret;
+        if (!stream) {
+                dev_warn(hsw->dev, "warning: stream is NULL, no stream to pause, ignore it.\n");
+                return 0;
+        }
        trace_ipc_request("stream pause", stream->reply.stream_hw_id);
        ret = sst_hsw_stream_operations(hsw, IPC_STR_PAUSE,
@@ -1535,6 +1555,11 @@ int sst_hsw_stream_resume(struct sst_hsw *hsw, struct sst_hsw_stream *stream,
 {
        int ret;
+        if (!stream) {
+                dev_warn(hsw->dev, "warning: stream is NULL, no stream to resume, ignore it.\n");
+                return 0;
+        }
        trace_ipc_request("stream resume", stream->reply.stream_hw_id);
        ret = sst_hsw_stream_operations(hsw, IPC_STR_RESUME,
@@ -1550,6 +1575,11 @@ int sst_hsw_stream_reset(struct sst_hsw *hsw, struct sst_hsw_stream *stream)
 {
        int ret, tries = 10;
+        if (!stream) {
+                dev_warn(hsw->dev, "warning: stream is NULL, no stream to reset, ignore it.\n");
+                return 0;
+        }
        /* dont reset streams that are not commited */
        if (!stream->commited)
                return 0;
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c
index 8b79cafab1e2..c7eb9dd67f60 100644
--- a/sound/soc/omap/omap-mcbsp.c
+++ b/sound/soc/omap/omap-mcbsp.c
@@ -434,7 +434,7 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai,
        case SND_SOC_DAIFMT_CBM_CFS:
                /* McBSP slave. FS clock as output */
                regs->srgr2     |= FSGM;
-                regs->pcr0      |= FSXM;
+                regs->pcr0      |= FSXM | FSRM;
                break;
        case SND_SOC_DAIFMT_CBM_CFM:
                /* McBSP slave */
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index 13d8507333b8..dcc26eda0539 100644
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -335,6 +335,7 @@ static struct snd_soc_dai_driver rockchip_i2s_dai = {
                            SNDRV_PCM_FMTBIT_S24_LE),
        },
        .ops = &rockchip_i2s_dai_ops,
+        .symmetric_rates = 1,
 };
 static const struct snd_soc_component_driver rockchip_i2s_component = {
diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c
index 590a82f01d0b..025c38fbe3c0 100644
--- a/sound/soc/soc-compress.c
+++ b/sound/soc/soc-compress.c
@@ -659,7 +659,8 @@ int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
                        rtd->dai_link->stream_name);
                ret = snd_pcm_new_internal(rtd->card->snd_card, new_name, num,
-                                1, 0, &be_pcm);
+                                rtd->dai_link->dpcm_playback,
+                                rtd->dai_link->dpcm_capture, &be_pcm);
                if (ret < 0) {
                        dev_err(rtd->card->dev, "ASoC: can't create compressed for %s\n",
                                rtd->dai_link->name);
@@ -668,8 +669,10 @@ int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
                rtd->pcm = be_pcm;
                rtd->fe_compr = 1;
-                be_pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream->private_data = rtd;
+                if (rtd->dai_link->dpcm_playback)
-                be_pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream->private_data = rtd;
+                        be_pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream->private_data = rtd;
+                else if (rtd->dai_link->dpcm_capture)
+                        be_pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream->private_data = rtd;
                memcpy(compr->ops, &soc_compr_dyn_ops, sizeof(soc_compr_dyn_ops));
        } else
                memcpy(compr->ops, &soc_compr_ops, sizeof(soc_compr_ops));
diff --git a/tools/perf/scripts/perl/Perf-Trace-Util/Context.c b/tools/perf/scripts/perl/Perf-Trace-Util/Context.c
index 790ceba6ad3f..28431d1bbcf5 100644
--- a/tools/perf/scripts/perl/Perf-Trace-Util/Context.c
+++ b/tools/perf/scripts/perl/Perf-Trace-Util/Context.c
@@ -5,7 +5,10 @@
 *      ANY CHANGES MADE HERE WILL BE LOST! 
 *
 */
+#include <stdbool.h>
+#ifndef HAS_BOOL
+# define HAS_BOOL 1
+#endif
 #line 1 "Context.xs"
 /*
 * Context.xs.  XS interfaces for perf script.
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 79999ceaf2be..01bc4e23a2cf 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -177,14 +177,17 @@ static int lock__parse(struct ins_operands *ops)
                goto out_free_ops;
        ops->locked.ins = ins__find(name);
+        free(name);
        if (ops->locked.ins == NULL)
                goto out_free_ops;
        if (!ops->locked.ins->ops)
                return 0;
-        if (ops->locked.ins->ops->parse)
+        if (ops->locked.ins->ops->parse &&
-                ops->locked.ins->ops->parse(ops->locked.ops);
+            ops->locked.ins->ops->parse(ops->locked.ops) < 0)
+                goto out_free_ops;
        return 0;
@@ -208,6 +211,13 @@ static int lock__scnprintf(struct ins *ins, char *bf, size_t size,
 static void lock__delete(struct ins_operands *ops)
 {
+        struct ins *ins = ops->locked.ins;
+        if (ins && ins->ops->free)
+                ins->ops->free(ops->locked.ops);
+        else
+                ins__delete(ops->locked.ops);
        zfree(&ops->locked.ops);
        zfree(&ops->target.raw);
        zfree(&ops->target.name);
@@ -531,8 +541,8 @@ static void disasm_line__init_ins(struct disasm_line *dl)
        if (!dl->ins->ops)
                return;
-        if (dl->ins->ops->parse)
+        if (dl->ins->ops->parse && dl->ins->ops->parse(&dl->ops) < 0)
-                dl->ins->ops->parse(&dl->ops);
+                dl->ins = NULL;
 }
 static int disasm_line__parse(char *line, char **namep, char **rawp)
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index cbab1fb77b1d..2e507b5025a3 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1445,7 +1445,7 @@ int perf_evlist__strerror_tp(struct perf_evlist *evlist __maybe_unused,
        case ENOENT:
                scnprintf(buf, size, "%s",
                          "Error:\tUnable to find debugfs\n"
-                          "Hint:\tWas your kernel was compiled with debugfs support?\n"
+                          "Hint:\tWas your kernel compiled with debugfs support?\n"
                          "Hint:\tIs the debugfs filesystem mounted?\n"
                          "Hint:\tTry 'sudo mount -t debugfs nodev /sys/kernel/debug'");
                break;
diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h
index 6951a9d42339..0e42438b1e59 100644
--- a/tools/perf/util/map.h
+++ b/tools/perf/util/map.h
@@ -116,6 +116,22 @@ struct thread;
 #define map__for_each_symbol(map, pos, n)       \
        dso__for_each_symbol(map->dso, pos, n, map->type)
+/* map__for_each_symbol_with_name - iterate over the symbols in the given map
+ *                                  that have the given name
+ *
+ * @map: the 'struct map *' in which symbols itereated
+ * @sym_name: the symbol name
+ * @pos: the 'struct symbol *' to use as a loop cursor
+ * @filter: to use when loading the DSO
+ */
+#define __map__for_each_symbol_by_name(map, sym_name, pos, filter)      \
+        for (pos = map__find_symbol_by_name(map, sym_name, filter);     \
+             pos && strcmp(pos->name, sym_name) == 0;           \
+             pos = symbol__next_by_name(pos))
+#define map__for_each_symbol_by_name(map, sym_name, pos)                \
+        __map__for_each_symbol_by_name(map, sym_name, (pos), NULL)
 typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym);
 void map__init(struct map *map, enum map_type type,
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 94a717bf007d..919937eb0be2 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -446,7 +446,7 @@ static int post_process_probe_trace_events(struct probe_trace_event *tevs,
        }
        for (i = 0; i < ntevs; i++) {
-                if (tevs[i].point.address) {
+                if (tevs[i].point.address && !tevs[i].point.retprobe) {
                        tmp = strdup(reloc_sym->name);
                        if (!tmp)
                                return -ENOMEM;
@@ -2193,18 +2193,17 @@ static int __add_probe_trace_events(struct perf_probe_event *pev,
        return ret;
 }
-static char *looking_function_name;
+static int find_probe_functions(struct map *map, char *name)
-static int num_matched_functions;
-static int probe_function_filter(struct map *map __maybe_unused,
-                                      struct symbol *sym)
 {
-        if ((sym->binding == STB_GLOBAL || sym->binding == STB_LOCAL) &&
+        int found = 0;
-            strcmp(looking_function_name, sym->name) == 0) {
+        struct symbol *sym;
-                num_matched_functions++;
-                return 0;
+        map__for_each_symbol_by_name(map, name, sym) {
+                if (sym->binding == STB_GLOBAL || sym->binding == STB_LOCAL)
+                        found++;
        }
-        return 1;
+        return found;
 }
 #define strdup_or_goto(str, label)      \
@@ -2222,10 +2221,10 @@ static int find_probe_trace_events_from_map(struct perf_probe_event *pev,
        struct kmap *kmap = NULL;
        struct ref_reloc_sym *reloc_sym = NULL;
        struct symbol *sym;
-        struct rb_node *nd;
        struct probe_trace_event *tev;
        struct perf_probe_point *pp = &pev->point;
        struct probe_trace_point *tp;
+        int num_matched_functions;
        int ret, i;
        /* Init maps of given executable or kernel */
@@ -2242,10 +2241,8 @@ static int find_probe_trace_events_from_map(struct perf_probe_event *pev,
         * Load matched symbols: Since the different local symbols may have
         * same name but different addresses, this lists all the symbols.
         */
-        num_matched_functions = 0;
+        num_matched_functions = find_probe_functions(map, pp->function);
-        looking_function_name = pp->function;
+        if (num_matched_functions == 0) {
-        ret = map__load(map, probe_function_filter);
-        if (ret || num_matched_functions == 0) {
                pr_err("Failed to find symbol %s in %s\n", pp->function,
                        target ? : "kernel");
                ret = -ENOENT;
@@ -2257,7 +2254,7 @@ static int find_probe_trace_events_from_map(struct perf_probe_event *pev,
                goto out;
        }
-        if (!pev->uprobes) {
+        if (!pev->uprobes && !pp->retprobe) {
                kmap = map__kmap(map);
                reloc_sym = kmap->ref_reloc_sym;
                if (!reloc_sym) {
@@ -2275,7 +2272,8 @@ static int find_probe_trace_events_from_map(struct perf_probe_event *pev,
        }
        ret = 0;
-        map__for_each_symbol(map, sym, nd) {
+        map__for_each_symbol_by_name(map, pp->function, sym) {
                tev = (*tevs) + ret;
                tp = &tev->point;
                if (ret == num_matched_functions) {
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index c24c5b83156c..a194702a0a2f 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -396,6 +396,7 @@ static struct symbol *symbols__find_by_name(struct rb_root *symbols,
                                            const char *name)
 {
        struct rb_node *n;
+        struct symbol_name_rb_node *s;
        if (symbols == NULL)
                return NULL;
@@ -403,7 +404,6 @@ static struct symbol *symbols__find_by_name(struct rb_root *symbols,
        n = symbols->rb_node;
        while (n) {
-                struct symbol_name_rb_node *s;
                int cmp;
                s = rb_entry(n, struct symbol_name_rb_node, rb_node);
@@ -414,10 +414,24 @@ static struct symbol *symbols__find_by_name(struct rb_root *symbols,
                else if (cmp > 0)
                        n = n->rb_right;
                else
-                        return &s->sym;
+                        break;
        }
-        return NULL;
+        if (n == NULL)
+                return NULL;
+        /* return first symbol that has same name (if any) */
+        for (n = rb_prev(n); n; n = rb_prev(n)) {
+                struct symbol_name_rb_node *tmp;
+                tmp = rb_entry(n, struct symbol_name_rb_node, rb_node);
+                if (strcmp(tmp->sym.name, s->sym.name))
+                        break;
+                s = tmp;
+        }
+        return &s->sym;
 }
 struct symbol *dso__find_symbol(struct dso *dso,
@@ -436,6 +450,17 @@ struct symbol *dso__next_symbol(struct symbol *sym)
        return symbols__next(sym);
 }
+struct symbol *symbol__next_by_name(struct symbol *sym)
+{
+        struct symbol_name_rb_node *s = container_of(sym, struct symbol_name_rb_node, sym);
+        struct rb_node *n = rb_next(&s->rb_node);
+        return n ? &rb_entry(n, struct symbol_name_rb_node, rb_node)->sym : NULL;
+}
+ /*
+  * Teturns first symbol that matched with @name.
+  */
 struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
                                        const char *name)
 {
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 9d602e9c6f59..1650dcb3a67b 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -231,6 +231,7 @@ struct symbol *dso__find_symbol(struct dso *dso, enum map_type type,
                                u64 addr);
 struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
                                        const char *name);
+struct symbol *symbol__next_by_name(struct symbol *sym);
 struct symbol *dso__first_symbol(struct dso *dso, enum map_type type);
 struct symbol *dso__next_symbol(struct symbol *sym);