Merge branch 'irq/urgent' into irq/core

Merge urgent fixes so pending patches for 4.9 can be applied.
author: Thomas Gleixner <tglx@linutronix.de> 2016-09-20 17:20:32 -0400
committer: Thomas Gleixner <tglx@linutronix.de> 2016-09-20 17:20:32 -0400
commit: 464b5847e61085f81bb99ce48eb427a0dc7617dc (patch)
tree: 805c97855a9a13c06910687bbbbe3eb7bc371902
parent: 0a30d69195604f136a4e3bfaf453f742e583ce95 (diff)
parent: e875bd66dfb68f4e898e9a43ef42858c504a7f23 (diff)
262 files changed, 2537 insertions, 1632 deletions
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-st.txt b/Documentation/devicetree/bindings/mmc/sdhci-st.txt
index 88faa91125bf..3cd4c43a3260 100644
--- a/Documentation/devicetree/bindings/mmc/sdhci-st.txt
+++ b/Documentation/devicetree/bindings/mmc/sdhci-st.txt
@@ -10,7 +10,7 @@ Required properties:
                        subsystem (mmcss) inside the FlashSS (available in STiH407 SoC
                        family).
- clock-names:          Should be "mmc".
+- clock-names:          Should be "mmc" and "icn".  (NB: The latter is not compulsory)
                        See: Documentation/devicetree/bindings/resource-names.txt
 - clocks:               Phandle to the clock.
                        See: Documentation/devicetree/bindings/clock/clock-bindings.txt
diff --git a/MAINTAINERS b/MAINTAINERS
index 6781a3febd59..644ff65d336d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1625,6 +1625,7 @@ N:	rockchip
 ARM/SAMSUNG EXYNOS ARM ARCHITECTURES
 M:      Kukjin Kim <kgene@kernel.org>
 M:      Krzysztof Kozlowski <krzk@kernel.org>
+R:      Javier Martinez Canillas <javier@osg.samsung.com>
 L:      linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 L:      linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
 S:      Maintained
@@ -2485,7 +2486,7 @@ F:	include/net/bluetooth/
 BONDING DRIVER
 M:      Jay Vosburgh <j.vosburgh@gmail.com>
 M:      Veaceslav Falico <vfalico@gmail.com>
-M:      Andy Gospodarek <gospo@cumulusnetworks.com>
+M:      Andy Gospodarek <andy@greyhouse.net>
 L:      netdev@vger.kernel.org
 W:      http://sourceforge.net/projects/bonding/
 S:      Supported
@@ -3269,7 +3270,7 @@ S:	Maintained
 F:      drivers/net/wan/cosa*
 CPMAC ETHERNET DRIVER
-M:      Florian Fainelli <florian@openwrt.org>
+M:      Florian Fainelli <f.fainelli@gmail.com>
 L:      netdev@vger.kernel.org
 S:      Maintained
 F:      drivers/net/ethernet/ti/cpmac.c
diff --git a/Makefile b/Makefile
index 1a8c8ddcb22f..74e22c2f408b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 4
 PATCHLEVEL = 8
 SUBLEVEL = 0
-EXTRAVERSION = -rc6
+EXTRAVERSION = -rc7
 NAME = Psychotic Stoned Sheep
 # *DOCUMENTATION*
diff --git a/arch/alpha/include/asm/uaccess.h b/arch/alpha/include/asm/uaccess.h
index c419b43c461d..466e42e96bfa 100644
--- a/arch/alpha/include/asm/uaccess.h
+++ b/arch/alpha/include/asm/uaccess.h
@@ -371,14 +371,6 @@ __copy_tofrom_user_nocheck(void *to, const void *from, long len)
        return __cu_len;
 }
-extern inline long
-__copy_tofrom_user(void *to, const void *from, long len, const void __user *validate)
-{
-        if (__access_ok((unsigned long)validate, len, get_fs()))
-                len = __copy_tofrom_user_nocheck(to, from, len);
-        return len;
-}
 #define __copy_to_user(to, from, n)                                     \
 ({                                                                      \
        __chk_user_ptr(to);                                             \
@@ -393,17 +385,22 @@ __copy_tofrom_user(void *to, const void *from, long len, const void __user *vali
 #define __copy_to_user_inatomic __copy_to_user
 #define __copy_from_user_inatomic __copy_from_user
 extern inline long
 copy_to_user(void __user *to, const void *from, long n)
 {
-        return __copy_tofrom_user((__force void *)to, from, n, to);
+        if (likely(__access_ok((unsigned long)to, n, get_fs())))
+                n = __copy_tofrom_user_nocheck((__force void *)to, from, n);
+        return n;
 }
 extern inline long
 copy_from_user(void *to, const void __user *from, long n)
 {
-        return __copy_tofrom_user(to, (__force void *)from, n, from);
+        if (likely(__access_ok((unsigned long)from, n, get_fs())))
+                n = __copy_tofrom_user_nocheck(to, (__force void *)from, n);
+        else
+                memset(to, 0, n);
+        return n;
 }
 extern void __do_clear_user(void);
diff --git a/arch/arc/include/asm/uaccess.h b/arch/arc/include/asm/uaccess.h
index a78d5670884f..41faf17cd28d 100644
--- a/arch/arc/include/asm/uaccess.h
+++ b/arch/arc/include/asm/uaccess.h
@@ -83,7 +83,10 @@
        "2:     ;nop\n"                         \
        "       .section .fixup, \"ax\"\n"      \
        "       .align 4\n"                     \
-        "3:     mov %0, %3\n"                   \
+        "3:     # return -EFAULT\n"             \
+        "       mov %0, %3\n"                   \
+        "       # zero out dst ptr\n"           \
+        "       mov %1,  0\n"                   \
        "       j   2b\n"                       \
        "       .previous\n"                    \
        "       .section __ex_table, \"a\"\n"   \
@@ -101,7 +104,11 @@
        "2:     ;nop\n"                         \
        "       .section .fixup, \"ax\"\n"      \
        "       .align 4\n"                     \
-        "3:     mov %0, %3\n"                   \
+        "3:     # return -EFAULT\n"             \
+        "       mov %0, %3\n"                   \
+        "       # zero out dst ptr\n"           \
+        "       mov %1,  0\n"                   \
+        "       mov %R1, 0\n"                   \
        "       j   2b\n"                       \
        "       .previous\n"                    \
        "       .section __ex_table, \"a\"\n"   \
diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi
index caf2707680c1..e9b47b2bbc33 100644
--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
+++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
@@ -2,6 +2,7 @@
 / {
        memory {
+                device_type = "memory";
                reg = <0 0x10000000>;
        };
diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi
index b98252232d20..445624a1a1de 100644
--- a/arch/arm/boot/dts/bcm283x.dtsi
+++ b/arch/arm/boot/dts/bcm283x.dtsi
@@ -2,7 +2,6 @@
 #include <dt-bindings/clock/bcm2835.h>
 #include <dt-bindings/clock/bcm2835-aux.h>
 #include <dt-bindings/gpio/gpio.h>
-#include "skeleton.dtsi"
 /* This include file covers the common peripherals and configuration between
 * bcm2835 and bcm2836 implementations, leaving the CPU configuration to
@@ -13,6 +12,8 @@
        compatible = "brcm,bcm2835";
        model = "BCM2835";
        interrupt-parent = <&intc>;
+        #address-cells = <1>;
+        #size-cells = <1>;
        chosen {
                bootargs = "earlyprintk console=ttyAMA0";
diff --git a/arch/arm/boot/dts/stih407-family.dtsi b/arch/arm/boot/dts/stih407-family.dtsi
index d294e82447a2..8b063ab10c19 100644
--- a/arch/arm/boot/dts/stih407-family.dtsi
+++ b/arch/arm/boot/dts/stih407-family.dtsi
@@ -550,8 +550,9 @@
                        interrupt-names = "mmcirq";
                        pinctrl-names = "default";
                        pinctrl-0 = <&pinctrl_mmc0>;
-                        clock-names = "mmc";
+                        clock-names = "mmc", "icn";
-                        clocks = <&clk_s_c0_flexgen CLK_MMC_0>;
+                        clocks = <&clk_s_c0_flexgen CLK_MMC_0>,
+                                 <&clk_s_c0_flexgen CLK_RX_ICN_HVA>;
                        bus-width = <8>;
                        non-removable;
                };
@@ -565,8 +566,9 @@
                        interrupt-names = "mmcirq";
                        pinctrl-names = "default";
                        pinctrl-0 = <&pinctrl_sd1>;
-                        clock-names = "mmc";
+                        clock-names = "mmc", "icn";
-                        clocks = <&clk_s_c0_flexgen CLK_MMC_1>;
+                        clocks = <&clk_s_c0_flexgen CLK_MMC_1>,
+                                 <&clk_s_c0_flexgen CLK_RX_ICN_HVA>;
                        resets = <&softreset STIH407_MMC1_SOFTRESET>;
                        bus-width = <4>;
                };
diff --git a/arch/arm/boot/dts/stih410.dtsi b/arch/arm/boot/dts/stih410.dtsi
index 18ed1ad10d32..40318869c733 100644
--- a/arch/arm/boot/dts/stih410.dtsi
+++ b/arch/arm/boot/dts/stih410.dtsi
@@ -41,7 +41,8 @@
                        compatible = "st,st-ohci-300x";
                        reg = <0x9a03c00 0x100>;
                        interrupts = <GIC_SPI 180 IRQ_TYPE_NONE>;
-                        clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>;
+                        clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>,
+                                 <&clk_s_c0_flexgen CLK_RX_ICN_DISP_0>;
                        resets = <&powerdown STIH407_USB2_PORT0_POWERDOWN>,
                                 <&softreset STIH407_USB2_PORT0_SOFTRESET>;
                        reset-names = "power", "softreset";
@@ -57,7 +58,8 @@
                        interrupts = <GIC_SPI 151 IRQ_TYPE_NONE>;
                        pinctrl-names = "default";
                        pinctrl-0 = <&pinctrl_usb0>;
-                        clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>;
+                        clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>,
+                                 <&clk_s_c0_flexgen CLK_RX_ICN_DISP_0>;
                        resets = <&powerdown STIH407_USB2_PORT0_POWERDOWN>,
                                 <&softreset STIH407_USB2_PORT0_SOFTRESET>;
                        reset-names = "power", "softreset";
@@ -71,7 +73,8 @@
                        compatible = "st,st-ohci-300x";
                        reg = <0x9a83c00 0x100>;
                        interrupts = <GIC_SPI 181 IRQ_TYPE_NONE>;
-                        clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>;
+                        clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>,
+                                 <&clk_s_c0_flexgen CLK_RX_ICN_DISP_0>;
                        resets = <&powerdown STIH407_USB2_PORT1_POWERDOWN>,
                                 <&softreset STIH407_USB2_PORT1_SOFTRESET>;
                        reset-names = "power", "softreset";
@@ -87,7 +90,8 @@
                        interrupts = <GIC_SPI 153 IRQ_TYPE_NONE>;
                        pinctrl-names = "default";
                        pinctrl-0 = <&pinctrl_usb1>;
-                        clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>;
+                        clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>,
+                                 <&clk_s_c0_flexgen CLK_RX_ICN_DISP_0>;
                        resets = <&powerdown STIH407_USB2_PORT1_POWERDOWN>,
                                 <&softreset STIH407_USB2_PORT1_SOFTRESET>;
                        reset-names = "power", "softreset";
diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
index 0e97b4b871f9..6c7b06854fce 100644
--- a/arch/arm/common/locomo.c
+++ b/arch/arm/common/locomo.c
@@ -140,7 +140,7 @@ static struct locomo_dev_info locomo_devices[] = {
 static void locomo_handler(struct irq_desc *desc)
 {
-        struct locomo *lchip = irq_desc_get_chip_data(desc);
+        struct locomo *lchip = irq_desc_get_handler_data(desc);
        int req, i;
        /* Acknowledge the parent IRQ */
@@ -200,8 +200,7 @@ static void locomo_setup_irq(struct locomo *lchip)
         * Install handler for IRQ_LOCOMO_HW.
         */
        irq_set_irq_type(lchip->irq, IRQ_TYPE_EDGE_FALLING);
-        irq_set_chip_data(lchip->irq, lchip);
+        irq_set_chained_handler_and_data(lchip->irq, locomo_handler, lchip);
-        irq_set_chained_handler(lchip->irq, locomo_handler);
        /* Install handlers for IRQ_LOCOMO_* */
        for ( ; irq <= lchip->irq_base + 3; irq++) {
diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index fb0a0a4dfea4..2e076c492005 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -472,8 +472,8 @@ static int sa1111_setup_irq(struct sa1111 *sachip, unsigned irq_base)
         * specifies that S0ReadyInt and S1ReadyInt should be '1'.
         */
        sa1111_writel(0, irqbase + SA1111_INTPOL0);
-        sa1111_writel(SA1111_IRQMASK_HI(IRQ_S0_READY_NINT) |
+        sa1111_writel(BIT(IRQ_S0_READY_NINT & 31) |
-                      SA1111_IRQMASK_HI(IRQ_S1_READY_NINT),
+                      BIT(IRQ_S1_READY_NINT & 31),
                      irqbase + SA1111_INTPOL1);
        /* clear all IRQs */
@@ -754,7 +754,7 @@ static int __sa1111_probe(struct device *me, struct resource *mem, int irq)
        if (sachip->irq != NO_IRQ) {
                ret = sa1111_setup_irq(sachip, pd->irq_base);
                if (ret)
-                        goto err_unmap;
+                        goto err_clk;
        }
 #ifdef CONFIG_ARCH_SA1100
@@ -799,6 +799,8 @@ static int __sa1111_probe(struct device *me, struct resource *mem, int irq)
        return 0;
+ err_clk:
+        clk_disable(sachip->clk);
 err_unmap:
        iounmap(sachip->base);
 err_clk_unprep:
@@ -869,9 +871,9 @@ struct sa1111_save_data {
 #ifdef CONFIG_PM
-static int sa1111_suspend(struct platform_device *dev, pm_message_t state)
+static int sa1111_suspend_noirq(struct device *dev)
 {
-        struct sa1111 *sachip = platform_get_drvdata(dev);
+        struct sa1111 *sachip = dev_get_drvdata(dev);
        struct sa1111_save_data *save;
        unsigned long flags;
        unsigned int val;
@@ -934,9 +936,9 @@ static int sa1111_suspend(struct platform_device *dev, pm_message_t state)
 *      restored by their respective drivers, and must be called
 *      via LDM after this function.
 */
-static int sa1111_resume(struct platform_device *dev)
+static int sa1111_resume_noirq(struct device *dev)
 {
-        struct sa1111 *sachip = platform_get_drvdata(dev);
+        struct sa1111 *sachip = dev_get_drvdata(dev);
        struct sa1111_save_data *save;
        unsigned long flags, id;
        void __iomem *base;
@@ -952,7 +954,7 @@ static int sa1111_resume(struct platform_device *dev)
        id = sa1111_readl(sachip->base + SA1111_SKID);
        if ((id & SKID_ID_MASK) != SKID_SA1111_ID) {
                __sa1111_remove(sachip);
-                platform_set_drvdata(dev, NULL);
+                dev_set_drvdata(dev, NULL);
                kfree(save);
                return 0;
        }
@@ -1003,8 +1005,8 @@ static int sa1111_resume(struct platform_device *dev)
 }
 #else
-#define sa1111_suspend NULL
+#define sa1111_suspend_noirq NULL
-#define sa1111_resume  NULL
+#define sa1111_resume_noirq  NULL
 #endif
 static int sa1111_probe(struct platform_device *pdev)
@@ -1017,7 +1019,7 @@ static int sa1111_probe(struct platform_device *pdev)
                return -EINVAL;
        irq = platform_get_irq(pdev, 0);
        if (irq < 0)
-                return -ENXIO;
+                return irq;
        return __sa1111_probe(&pdev->dev, mem, irq);
 }
@@ -1038,6 +1040,11 @@ static int sa1111_remove(struct platform_device *pdev)
        return 0;
 }
+static struct dev_pm_ops sa1111_pm_ops = {
+        .suspend_noirq = sa1111_suspend_noirq,
+        .resume_noirq = sa1111_resume_noirq,
+};
 /*
 *      Not sure if this should be on the system bus or not yet.
 *      We really want some way to register a system device at
@@ -1050,10 +1057,9 @@ static int sa1111_remove(struct platform_device *pdev)
 static struct platform_driver sa1111_device_driver = {
        .probe          = sa1111_probe,
        .remove         = sa1111_remove,
-        .suspend        = sa1111_suspend,
-        .resume         = sa1111_resume,
        .driver         = {
                .name   = "sa1111",
+                .pm     = &sa1111_pm_ops,
        },
 };
diff --git a/arch/arm/configs/keystone_defconfig b/arch/arm/configs/keystone_defconfig
index 71b42e66488a..78cd2f197e01 100644
--- a/arch/arm/configs/keystone_defconfig
+++ b/arch/arm/configs/keystone_defconfig
@@ -161,6 +161,7 @@ CONFIG_USB_MON=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_STORAGE=y
 CONFIG_USB_DWC3=y
+CONFIG_NOP_USB_XCEIV=y
 CONFIG_KEYSTONE_USB_PHY=y
 CONFIG_NEW_LEDS=y
 CONFIG_LEDS_CLASS=y
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 2c8665cd9dc5..ea3566fb92e2 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -781,7 +781,7 @@ CONFIG_MXS_DMA=y
 CONFIG_DMA_BCM2835=y
 CONFIG_DMA_OMAP=y
 CONFIG_QCOM_BAM_DMA=y
-CONFIG_XILINX_VDMA=y
+CONFIG_XILINX_DMA=y
 CONFIG_DMA_SUN6I=y
 CONFIG_STAGING=y
 CONFIG_SENSORS_ISL29018=y
diff --git a/arch/arm/include/asm/pgtable-2level-hwdef.h b/arch/arm/include/asm/pgtable-2level-hwdef.h
index d0131ee6f6af..3f82e9da7cec 100644
--- a/arch/arm/include/asm/pgtable-2level-hwdef.h
+++ b/arch/arm/include/asm/pgtable-2level-hwdef.h
@@ -47,6 +47,7 @@
 #define PMD_SECT_WB             (PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE)
 #define PMD_SECT_MINICACHE      (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE)
 #define PMD_SECT_WBWA           (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE)
+#define PMD_SECT_CACHE_MASK     (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE)
 #define PMD_SECT_NONSHARED_DEV  (PMD_SECT_TEX(2))
 /*
diff --git a/arch/arm/include/asm/pgtable-3level-hwdef.h b/arch/arm/include/asm/pgtable-3level-hwdef.h
index f8f1cff62065..4cd664abfcd3 100644
--- a/arch/arm/include/asm/pgtable-3level-hwdef.h
+++ b/arch/arm/include/asm/pgtable-3level-hwdef.h
@@ -62,6 +62,7 @@
 #define PMD_SECT_WT             (_AT(pmdval_t, 2) << 2) /* normal inner write-through */
 #define PMD_SECT_WB             (_AT(pmdval_t, 3) << 2) /* normal inner write-back */
 #define PMD_SECT_WBWA           (_AT(pmdval_t, 7) << 2) /* normal inner write-alloc */
+#define PMD_SECT_CACHE_MASK     (_AT(pmdval_t, 7) << 2)
 /*
 * + Level 3 descriptor (PTE)
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index 75f130ef6504..c94b90d43772 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -158,8 +158,6 @@ void kvm_arch_destroy_vm(struct kvm *kvm)
 {
        int i;
-        kvm_free_stage2_pgd(kvm);
        for (i = 0; i < KVM_MAX_VCPUS; ++i) {
                if (kvm->vcpus[i]) {
                        kvm_arch_vcpu_free(kvm->vcpus[i]);
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 29d0b23af2a9..e9a5c0e0c115 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -1714,7 +1714,8 @@ int kvm_mmu_init(void)
                 kern_hyp_va(PAGE_OFFSET), kern_hyp_va(~0UL));
        if (hyp_idmap_start >= kern_hyp_va(PAGE_OFFSET) &&
-            hyp_idmap_start <  kern_hyp_va(~0UL)) {
+            hyp_idmap_start <  kern_hyp_va(~0UL) &&
+            hyp_idmap_start != (unsigned long)__hyp_idmap_text_start) {
                /*
                 * The idmap page is intersecting with the VA space,
                 * it is not safe to continue further.
@@ -1893,6 +1894,7 @@ void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots)
 void kvm_arch_flush_shadow_all(struct kvm *kvm)
 {
+        kvm_free_stage2_pgd(kvm);
 }
 void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c
index 3750575c73c5..06332f626565 100644
--- a/arch/arm/mach-exynos/suspend.c
+++ b/arch/arm/mach-exynos/suspend.c
@@ -255,6 +255,12 @@ static int __init exynos_pmu_irq_init(struct device_node *node,
                return -ENOMEM;
        }
+        /*
+         * Clear the OF_POPULATED flag set in of_irq_init so that
+         * later the Exynos PMU platform device won't be skipped.
+         */
+        of_node_clear_flag(node, OF_POPULATED);
        return 0;
 }
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index 7245f3359564..d6159f8ef0c2 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -137,6 +137,18 @@ static struct pxa2xx_udc_mach_info udc_info __initdata = {
        // no D+ pullup; lubbock can't connect/disconnect in software
 };
+static void lubbock_init_pcmcia(void)
+{
+        struct clk *clk;
+        /* Add an alias for the SA1111 PCMCIA clock */
+        clk = clk_get_sys("pxa2xx-pcmcia", NULL);
+        if (!IS_ERR(clk)) {
+                clkdev_create(clk, NULL, "1800");
+                clk_put(clk);
+        }
+}
 static struct resource sa1111_resources[] = {
        [0] = {
                .start  = 0x10000000,
@@ -467,6 +479,8 @@ static void __init lubbock_init(void)
        pxa_set_btuart_info(NULL);
        pxa_set_stuart_info(NULL);
+        lubbock_init_pcmcia();
        clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL);
        pxa_set_udc_info(&udc_info);
        pxa_set_fb_info(NULL, &sharp_lm8v31);
diff --git a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
index 62437b57813e..73e3adbc1330 100644
--- a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
@@ -41,39 +41,26 @@
 #define REGULATOR_IRQ_MASK      BIT(2)  /* IRQ2, active low */
-static void __iomem *irqc;
+/* start of DA9210 System Control and Event Registers */
-static const u8 da9063_mask_regs[] = {
-        DA9063_REG_IRQ_MASK_A,
-        DA9063_REG_IRQ_MASK_B,
-        DA9063_REG_IRQ_MASK_C,
-        DA9063_REG_IRQ_MASK_D,
-};
-/* DA9210 System Control and Event Registers */
 #define DA9210_REG_MASK_A               0x54
-#define DA9210_REG_MASK_B               0x55
-static const u8 da9210_mask_regs[] = {
-        DA9210_REG_MASK_A,
-        DA9210_REG_MASK_B,
-};
-static void da9xxx_mask_irqs(struct i2c_client *client, const u8 regs[],
-                             unsigned int nregs)
-{
-        unsigned int i;
-        dev_info(&client->dev, "Masking %s interrupt sources\n", client->name);
+static void __iomem *irqc;
-        for (i = 0; i < nregs; i++) {
+/* first byte sets the memory pointer, following are consecutive reg values */
-                int error = i2c_smbus_write_byte_data(client, regs[i], ~0);
+static u8 da9063_irq_clr[] = { DA9063_REG_IRQ_MASK_A, 0xff, 0xff, 0xff, 0xff };
-                if (error) {
+static u8 da9210_irq_clr[] = { DA9210_REG_MASK_A, 0xff, 0xff };
-                        dev_err(&client->dev, "i2c error %d\n", error);
-                        return;
+static struct i2c_msg da9xxx_msgs[2] = {
-                }
+        {
-        }
+                .addr = 0x58,
-}
+                .len = ARRAY_SIZE(da9063_irq_clr),
+                .buf = da9063_irq_clr,
+        }, {
+                .addr = 0x68,
+                .len = ARRAY_SIZE(da9210_irq_clr),
+                .buf = da9210_irq_clr,
+        },
+};
 static int regulator_quirk_notify(struct notifier_block *nb,
                                  unsigned long action, void *data)
@@ -93,12 +80,15 @@ static int regulator_quirk_notify(struct notifier_block *nb,
        client = to_i2c_client(dev);
        dev_dbg(dev, "Detected %s\n", client->name);
-        if ((client->addr == 0x58 && !strcmp(client->name, "da9063")))
+        if ((client->addr == 0x58 && !strcmp(client->name, "da9063")) ||
-                da9xxx_mask_irqs(client, da9063_mask_regs,
+            (client->addr == 0x68 && !strcmp(client->name, "da9210"))) {
-                                 ARRAY_SIZE(da9063_mask_regs));
+                int ret;
-        else if (client->addr == 0x68 && !strcmp(client->name, "da9210"))
-                da9xxx_mask_irqs(client, da9210_mask_regs,
+                dev_info(&client->dev, "clearing da9063/da9210 interrupts\n");
-                                 ARRAY_SIZE(da9210_mask_regs));
+                ret = i2c_transfer(client->adapter, da9xxx_msgs, ARRAY_SIZE(da9xxx_msgs));
+                if (ret != ARRAY_SIZE(da9xxx_msgs))
+                        dev_err(&client->dev, "i2c error %d\n", ret);
+        }
        mon = ioread32(irqc + IRQC_MONITOR);
        if (mon & REGULATOR_IRQ_MASK)
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 6344913f0804..30fe03f95c85 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -137,7 +137,7 @@ void __init init_default_cache_policy(unsigned long pmd)
        initial_pmd_value = pmd;
-        pmd &= PMD_SECT_TEX(1) | PMD_SECT_BUFFERABLE | PMD_SECT_CACHEABLE;
+        pmd &= PMD_SECT_CACHE_MASK;
        for (i = 0; i < ARRAY_SIZE(cache_policies); i++)
                if (cache_policies[i].pmd == pmd) {
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 3d2cef6488ea..f193414d0f6f 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -170,9 +170,6 @@ static int xen_starting_cpu(unsigned int cpu)
        pr_info("Xen: initializing cpu%d\n", cpu);
        vcpup = per_cpu_ptr(xen_vcpu_info, cpu);
-        /* Direct vCPU id mapping for ARM guests. */
-        per_cpu(xen_vcpu_id, cpu) = cpu;
        info.mfn = virt_to_gfn(vcpup);
        info.offset = xen_offset_in_page(vcpup);
@@ -330,6 +327,7 @@ static int __init xen_guest_init(void)
 {
        struct xen_add_to_physmap xatp;
        struct shared_info *shared_info_page = NULL;
+        int cpu;
        if (!xen_domain())
                return 0;
@@ -380,7 +378,8 @@ static int __init xen_guest_init(void)
                return -ENOMEM;
        /* Direct vCPU id mapping for ARM guests. */
-        per_cpu(xen_vcpu_id, 0) = 0;
+        for_each_possible_cpu(cpu)
+                per_cpu(xen_vcpu_id, cpu) = cpu;
        xen_auto_xlat_grant_frames.count = gnttab_max_grant_frames();
        if (xen_xlate_map_ballooned_pages(&xen_auto_xlat_grant_frames.pfn,
diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
index 445aa678f914..c2b9bcb0ef61 100644
--- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
+++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
@@ -255,10 +255,10 @@
                /* Local timer */
                timer {
                        compatible = "arm,armv8-timer";
-                        interrupts = <1 13 0xf01>,
+                        interrupts = <1 13 0xf08>,
-                                     <1 14 0xf01>,
+                                     <1 14 0xf08>,
-                                     <1 11 0xf01>,
+                                     <1 11 0xf08>,
-                                     <1 10 0xf01>;
+                                     <1 10 0xf08>;
                };
                timer0: timer0@ffc03000 {
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
index e502c24b0ac7..bf6c8d051002 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
@@ -102,13 +102,13 @@
        timer {
                compatible = "arm,armv8-timer";
                interrupts = <GIC_PPI 13
-                        (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_EDGE_RISING)>,
+                        (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
                             <GIC_PPI 14
-                        (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_EDGE_RISING)>,
+                        (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
                             <GIC_PPI 11
-                        (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_EDGE_RISING)>,
+                        (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
                             <GIC_PPI 10
-                        (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_EDGE_RISING)>;
+                        (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>;
        };
        xtal: xtal-clk {
diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi
index f1c2c713f9b0..c29dab9d1834 100644
--- a/arch/arm64/boot/dts/apm/apm-storm.dtsi
+++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi
@@ -110,10 +110,10 @@
        timer {
                compatible = "arm,armv8-timer";
-                interrupts = <1 0 0xff01>,      /* Secure Phys IRQ */
+                interrupts = <1 0 0xff08>,      /* Secure Phys IRQ */
-                             <1 13 0xff01>,     /* Non-secure Phys IRQ */
+                             <1 13 0xff08>,     /* Non-secure Phys IRQ */
-                             <1 14 0xff01>,     /* Virt IRQ */
+                             <1 14 0xff08>,     /* Virt IRQ */
-                             <1 15 0xff01>;     /* Hyp IRQ */
+                             <1 15 0xff08>;     /* Hyp IRQ */
                clock-frequency = <50000000>;
        };
diff --git a/arch/arm64/boot/dts/broadcom/bcm2835-rpi.dtsi b/arch/arm64/boot/dts/broadcom/bcm2835-rpi.dtsi
new file mode 120000
index 000000000000..3937b77cb310
--- /dev/null
+++ b/arch/arm64/boot/dts/broadcom/bcm2835-rpi.dtsi
@@ -0,0 +1 @@
+../../../../arm/boot/dts/bcm2835-rpi.dtsi
+\ No newline at end of file
diff --git a/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts
index 6f47dd2bb1db..7841b724e340 100644
--- a/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts
+++ b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts
@@ -1,7 +1,7 @@
 /dts-v1/;
 #include "bcm2837.dtsi"
-#include "../../../../arm/boot/dts/bcm2835-rpi.dtsi"
+#include "bcm2835-rpi.dtsi"
-#include "../../../../arm/boot/dts/bcm283x-rpi-smsc9514.dtsi"
+#include "bcm283x-rpi-smsc9514.dtsi"
 / {
        compatible = "raspberrypi,3-model-b", "brcm,bcm2837";
diff --git a/arch/arm64/boot/dts/broadcom/bcm2837.dtsi b/arch/arm64/boot/dts/broadcom/bcm2837.dtsi
index f2a31d06845d..8216bbb29fe0 100644
--- a/arch/arm64/boot/dts/broadcom/bcm2837.dtsi
+++ b/arch/arm64/boot/dts/broadcom/bcm2837.dtsi
@@ -1,4 +1,4 @@
-#include "../../../../arm/boot/dts/bcm283x.dtsi"
+#include "bcm283x.dtsi"
 / {
        compatible = "brcm,bcm2836";
diff --git a/arch/arm64/boot/dts/broadcom/bcm283x-rpi-smsc9514.dtsi b/arch/arm64/boot/dts/broadcom/bcm283x-rpi-smsc9514.dtsi
new file mode 120000
index 000000000000..dca7c057d5a5
--- /dev/null
+++ b/arch/arm64/boot/dts/broadcom/bcm283x-rpi-smsc9514.dtsi
@@ -0,0 +1 @@
+../../../../arm/boot/dts/bcm283x-rpi-smsc9514.dtsi
+\ No newline at end of file
diff --git a/arch/arm64/boot/dts/broadcom/bcm283x.dtsi b/arch/arm64/boot/dts/broadcom/bcm283x.dtsi
new file mode 120000
index 000000000000..5f54e4cab99b
--- /dev/null
+++ b/arch/arm64/boot/dts/broadcom/bcm283x.dtsi
@@ -0,0 +1 @@
+../../../../arm/boot/dts/bcm283x.dtsi
+\ No newline at end of file
diff --git a/arch/arm64/boot/dts/broadcom/ns2.dtsi b/arch/arm64/boot/dts/broadcom/ns2.dtsi
index f53b0955bfd3..d4a12fad8afd 100644
--- a/arch/arm64/boot/dts/broadcom/ns2.dtsi
+++ b/arch/arm64/boot/dts/broadcom/ns2.dtsi
@@ -88,13 +88,13 @@
        timer {
                compatible = "arm,armv8-timer";
                interrupts = <GIC_PPI 13 (GIC_CPU_MASK_RAW(0xff) |
-                              IRQ_TYPE_EDGE_RISING)>,
+                              IRQ_TYPE_LEVEL_LOW)>,
                             <GIC_PPI 14 (GIC_CPU_MASK_RAW(0xff) |
-                              IRQ_TYPE_EDGE_RISING)>,
+                              IRQ_TYPE_LEVEL_LOW)>,
                             <GIC_PPI 11 (GIC_CPU_MASK_RAW(0xff) |
-                              IRQ_TYPE_EDGE_RISING)>,
+                              IRQ_TYPE_LEVEL_LOW)>,
                             <GIC_PPI 10 (GIC_CPU_MASK_RAW(0xff) |
-                              IRQ_TYPE_EDGE_RISING)>;
+                              IRQ_TYPE_LEVEL_LOW)>;
        };
        pmu {
diff --git a/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi b/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi
index 2eb9b225f0bc..04dc8a8d1539 100644
--- a/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi
+++ b/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi
@@ -354,10 +354,10 @@
        timer {
                compatible = "arm,armv8-timer";
-                interrupts = <1 13 0xff01>,
+                interrupts = <1 13 4>,
-                             <1 14 0xff01>,
+                             <1 14 4>,
-                             <1 11 0xff01>,
+                             <1 11 4>,
-                             <1 10 0xff01>;
+                             <1 10 4>;
        };
        pmu {
diff --git a/arch/arm64/boot/dts/exynos/exynos7.dtsi b/arch/arm64/boot/dts/exynos/exynos7.dtsi
index ca663dfe5189..162831546e18 100644
--- a/arch/arm64/boot/dts/exynos/exynos7.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos7.dtsi
@@ -473,10 +473,10 @@
                timer {
                        compatible = "arm,armv8-timer";
-                        interrupts = <1 13 0xff01>,
+                        interrupts = <1 13 0xff08>,
-                                     <1 14 0xff01>,
+                                     <1 14 0xff08>,
-                                     <1 11 0xff01>,
+                                     <1 11 0xff08>,
-                                     <1 10 0xff01>;
+                                     <1 10 0xff08>;
                };
                pmu_system_controller: system-controller@105c0000 {
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
index e669fbd7f9c3..a67e210e2019 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
@@ -119,10 +119,10 @@
        timer {
                compatible = "arm,armv8-timer";
-                interrupts = <1 13 0x1>, /* Physical Secure PPI */
+                interrupts = <1 13 0xf08>, /* Physical Secure PPI */
-                             <1 14 0x1>, /* Physical Non-Secure PPI */
+                             <1 14 0xf08>, /* Physical Non-Secure PPI */
-                             <1 11 0x1>, /* Virtual PPI */
+                             <1 11 0xf08>, /* Virtual PPI */
-                             <1 10 0x1>; /* Hypervisor PPI */
+                             <1 10 0xf08>; /* Hypervisor PPI */
        };
        pmu {
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
index 21023a388c29..e3b6034ea5d9 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
@@ -191,10 +191,10 @@
        timer {
                compatible = "arm,armv8-timer";
-                interrupts = <1 13 0x8>, /* Physical Secure PPI, active-low */
+                interrupts = <1 13 4>, /* Physical Secure PPI, active-low */
-                             <1 14 0x8>, /* Physical Non-Secure PPI, active-low */
+                             <1 14 4>, /* Physical Non-Secure PPI, active-low */
-                             <1 11 0x8>, /* Virtual PPI, active-low */
+                             <1 11 4>, /* Virtual PPI, active-low */
-                             <1 10 0x8>; /* Hypervisor PPI, active-low */
+                             <1 10 4>; /* Hypervisor PPI, active-low */
        };
        pmu {
diff --git a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
index eab1a42fb934..c2a6745f168c 100644
--- a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
@@ -122,10 +122,10 @@
                        timer {
                                compatible = "arm,armv8-timer";
-                                interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>,
+                                interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
-                                             <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>,
+                                             <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
-                                             <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>,
+                                             <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
-                                             <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>;
+                                             <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
                        };
                        odmi: odmi@300000 {
diff --git a/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi
index c223915f0907..d73bdc8c9115 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi
@@ -129,10 +129,10 @@
        timer {
                compatible = "arm,armv8-timer";
-                interrupts = <1 13 0xf01>,
+                interrupts = <1 13 4>,
-                             <1 14 0xf01>,
+                             <1 14 4>,
-                             <1 11 0xf01>,
+                             <1 11 4>,
-                             <1 10 0xf01>;
+                             <1 10 4>;
        };
        soc {
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index e595f22e7e4b..3e2e51fbd2bc 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -65,10 +65,10 @@
        timer {
                compatible = "arm,armv8-timer";
                interrupt-parent = <&gic>;
-                interrupts = <1 13 0xf01>,
+                interrupts = <1 13 0xf08>,
-                             <1 14 0xf01>,
+                             <1 14 0xf08>,
-                             <1 11 0xf01>,
+                             <1 11 0xf08>,
-                             <1 10 0xf01>;
+                             <1 10 0xf08>;
        };
        amba_apu {
diff --git a/arch/avr32/include/asm/uaccess.h b/arch/avr32/include/asm/uaccess.h
index 68cf638faf48..b1ec1fa06463 100644
--- a/arch/avr32/include/asm/uaccess.h
+++ b/arch/avr32/include/asm/uaccess.h
@@ -74,7 +74,7 @@ extern __kernel_size_t __copy_user(void *to, const void *from,
 extern __kernel_size_t copy_to_user(void __user *to, const void *from,
                                    __kernel_size_t n);
-extern __kernel_size_t copy_from_user(void *to, const void __user *from,
+extern __kernel_size_t ___copy_from_user(void *to, const void __user *from,
                                      __kernel_size_t n);
 static inline __kernel_size_t __copy_to_user(void __user *to, const void *from,
@@ -88,6 +88,15 @@ static inline __kernel_size_t __copy_from_user(void *to,
 {
        return __copy_user(to, (const void __force *)from, n);
 }
+static inline __kernel_size_t copy_from_user(void *to,
+                                               const void __user *from,
+                                               __kernel_size_t n)
+{
+        size_t res = ___copy_from_user(to, from, n);
+        if (unlikely(res))
+                memset(to + (n - res), 0, res);
+        return res;
+}
 #define __copy_to_user_inatomic __copy_to_user
 #define __copy_from_user_inatomic __copy_from_user
diff --git a/arch/avr32/kernel/avr32_ksyms.c b/arch/avr32/kernel/avr32_ksyms.c
index d93ead02daed..7c6cf14f0985 100644
--- a/arch/avr32/kernel/avr32_ksyms.c
+++ b/arch/avr32/kernel/avr32_ksyms.c
@@ -36,7 +36,7 @@ EXPORT_SYMBOL(copy_page);
 /*
 * Userspace access stuff.
 */
-EXPORT_SYMBOL(copy_from_user);
+EXPORT_SYMBOL(___copy_from_user);
 EXPORT_SYMBOL(copy_to_user);
 EXPORT_SYMBOL(__copy_user);
 EXPORT_SYMBOL(strncpy_from_user);
diff --git a/arch/avr32/lib/copy_user.S b/arch/avr32/lib/copy_user.S
index ea59c04b07de..075373471da1 100644
--- a/arch/avr32/lib/copy_user.S
+++ b/arch/avr32/lib/copy_user.S
@@ -23,13 +23,13 @@
         */
        .text
        .align  1
-        .global copy_from_user
+        .global ___copy_from_user
-        .type   copy_from_user, @function
+        .type   ___copy_from_user, @function
-copy_from_user:
+___copy_from_user:
        branch_if_kernel r8, __copy_user
        ret_if_privileged r8, r11, r10, r10
        rjmp    __copy_user
-        .size   copy_from_user, . - copy_from_user
+        .size   ___copy_from_user, . - ___copy_from_user
        .global copy_to_user
        .type   copy_to_user, @function
diff --git a/arch/blackfin/include/asm/uaccess.h b/arch/blackfin/include/asm/uaccess.h
index 12f5d6851bbc..0a2a70096d8b 100644
--- a/arch/blackfin/include/asm/uaccess.h
+++ b/arch/blackfin/include/asm/uaccess.h
@@ -171,11 +171,12 @@ static inline int bad_user_access_length(void)
 static inline unsigned long __must_check
 copy_from_user(void *to, const void __user *from, unsigned long n)
 {
-        if (access_ok(VERIFY_READ, from, n))
+        if (likely(access_ok(VERIFY_READ, from, n))) {
                memcpy(to, (const void __force *)from, n);
-        else
+                return 0;
-                return n;
+        }
-        return 0;
+        memset(to, 0, n);
+        return n;
 }
 static inline unsigned long __must_check
diff --git a/arch/cris/include/asm/uaccess.h b/arch/cris/include/asm/uaccess.h
index e3530d0f13ee..56c7d5750abd 100644
--- a/arch/cris/include/asm/uaccess.h
+++ b/arch/cris/include/asm/uaccess.h
@@ -194,30 +194,6 @@ extern unsigned long __copy_user(void __user *to, const void *from, unsigned lon
 extern unsigned long __copy_user_zeroing(void *to, const void __user *from, unsigned long n);
 extern unsigned long __do_clear_user(void __user *to, unsigned long n);
-static inline unsigned long
-__generic_copy_to_user(void __user *to, const void *from, unsigned long n)
-{
-        if (access_ok(VERIFY_WRITE, to, n))
-                return __copy_user(to, from, n);
-        return n;
-}
-static inline unsigned long
-__generic_copy_from_user(void *to, const void __user *from, unsigned long n)
-{
-        if (access_ok(VERIFY_READ, from, n))
-                return __copy_user_zeroing(to, from, n);
-        return n;
-}
-static inline unsigned long
-__generic_clear_user(void __user *to, unsigned long n)
-{
-        if (access_ok(VERIFY_WRITE, to, n))
-                return __do_clear_user(to, n);
-        return n;
-}
 static inline long
 __strncpy_from_user(char *dst, const char __user *src, long count)
 {
@@ -282,7 +258,7 @@ __constant_copy_from_user(void *to, const void __user *from, unsigned long n)
        else if (n == 24)
                __asm_copy_from_user_24(to, from, ret);
        else
-                ret = __generic_copy_from_user(to, from, n);
+                ret = __copy_user_zeroing(to, from, n);
        return ret;
 }
@@ -333,7 +309,7 @@ __constant_copy_to_user(void __user *to, const void *from, unsigned long n)
        else if (n == 24)
                __asm_copy_to_user_24(to, from, ret);
        else
-                ret = __generic_copy_to_user(to, from, n);
+                ret = __copy_user(to, from, n);
        return ret;
 }
@@ -366,26 +342,43 @@ __constant_clear_user(void __user *to, unsigned long n)
        else if (n == 24)
                __asm_clear_24(to, ret);
        else
-                ret = __generic_clear_user(to, n);
+                ret = __do_clear_user(to, n);
        return ret;
 }
-#define clear_user(to, n)                               \
+static inline size_t clear_user(void __user *to, size_t n)
-        (__builtin_constant_p(n) ?                      \
+{
-         __constant_clear_user(to, n) :                 \
+        if (unlikely(!access_ok(VERIFY_WRITE, to, n)))
-         __generic_clear_user(to, n))
+                return n;
+        if (__builtin_constant_p(n))
+                return __constant_clear_user(to, n);
+        else
+                return __do_clear_user(to, n);
+}
-#define copy_from_user(to, from, n)                     \
+static inline size_t copy_from_user(void *to, const void __user *from, size_t n)
-        (__builtin_constant_p(n) ?                      \
+{
-         __constant_copy_from_user(to, from, n) :       \
+        if (unlikely(!access_ok(VERIFY_READ, from, n))) {
-         __generic_copy_from_user(to, from, n))
+                memset(to, 0, n);
+                return n;
+        }
+        if (__builtin_constant_p(n))
+                return __constant_copy_from_user(to, from, n);
+        else
+                return __copy_user_zeroing(to, from, n);
+}
-#define copy_to_user(to, from, n)                       \
+static inline size_t copy_to_user(void __user *to, const void *from, size_t n)
-        (__builtin_constant_p(n) ?                      \
+{
-         __constant_copy_to_user(to, from, n) :         \
+        if (unlikely(!access_ok(VERIFY_WRITE, to, n)))
-         __generic_copy_to_user(to, from, n))
+                return n;
+        if (__builtin_constant_p(n))
+                return __constant_copy_to_user(to, from, n);
+        else
+                return __copy_user(to, from, n);
+}
 /* We let the __ versions of copy_from/to_user inline, because they're often
 * used in fast paths and have only a small space overhead.
diff --git a/arch/frv/include/asm/uaccess.h b/arch/frv/include/asm/uaccess.h
index 3ac9a59d65d4..87d9e34c5df8 100644
--- a/arch/frv/include/asm/uaccess.h
+++ b/arch/frv/include/asm/uaccess.h
@@ -263,19 +263,25 @@ do {							\
 extern long __memset_user(void *dst, unsigned long count);
 extern long __memcpy_user(void *dst, const void *src, unsigned long count);
-#define clear_user(dst,count)                   __memset_user(____force(dst), (count))
+#define __clear_user(dst,count)                 __memset_user(____force(dst), (count))
 #define __copy_from_user_inatomic(to, from, n)  __memcpy_user((to), ____force(from), (n))
 #define __copy_to_user_inatomic(to, from, n)    __memcpy_user(____force(to), (from), (n))
 #else
-#define clear_user(dst,count)                   (memset(____force(dst), 0, (count)), 0)
+#define __clear_user(dst,count)                 (memset(____force(dst), 0, (count)), 0)
 #define __copy_from_user_inatomic(to, from, n)  (memcpy((to), ____force(from), (n)), 0)
 #define __copy_to_user_inatomic(to, from, n)    (memcpy(____force(to), (from), (n)), 0)
 #endif
-#define __clear_user clear_user
+static inline unsigned long __must_check
+clear_user(void __user *to, unsigned long n)
+{
+        if (likely(__access_ok(to, n)))
+                n = __clear_user(to, n);
+        return n;
+}
 static inline unsigned long __must_check
 __copy_to_user(void __user *to, const void *from, unsigned long n)
diff --git a/arch/hexagon/include/asm/uaccess.h b/arch/hexagon/include/asm/uaccess.h
index f000a382bc7f..f61cfb28e9f2 100644
--- a/arch/hexagon/include/asm/uaccess.h
+++ b/arch/hexagon/include/asm/uaccess.h
@@ -103,7 +103,8 @@ static inline long hexagon_strncpy_from_user(char *dst, const char __user *src,
 {
        long res = __strnlen_user(src, n);
-        /* return from strnlen can't be zero -- that would be rubbish. */
+        if (unlikely(!res))
+                return -EFAULT;
        if (res > n) {
                copy_from_user(dst, src, n);
diff --git a/arch/ia64/include/asm/uaccess.h b/arch/ia64/include/asm/uaccess.h
index 0472927ebb9b..bfe13196f770 100644
--- a/arch/ia64/include/asm/uaccess.h
+++ b/arch/ia64/include/asm/uaccess.h
@@ -269,19 +269,16 @@ __copy_from_user (void *to, const void __user *from, unsigned long count)
        __cu_len;                                                                       \
 })
-#define copy_from_user(to, from, n)                                                     \
+static inline unsigned long
-({                                                                                      \
+copy_from_user(void *to, const void __user *from, unsigned long n)
-        void *__cu_to = (to);                                                           \
+{
-        const void __user *__cu_from = (from);                                          \
+        check_object_size(to, n, false);
-        long __cu_len = (n);                                                            \
+        if (likely(__access_ok(from, n, get_fs())))
-                                                                                        \
+                n = __copy_user((__force void __user *) to, from, n);
-        __chk_user_ptr(__cu_from);                                                      \
+        else
-        if (__access_ok(__cu_from, __cu_len, get_fs())) {                               \
+                memset(to, 0, n);
-                check_object_size(__cu_to, __cu_len, false);                    \
+        return n;
-                __cu_len = __copy_user((__force void __user *) __cu_to, __cu_from, __cu_len);   \
+}
-        }                                                                               \
-        __cu_len;                                                                       \
-})
 #define __copy_in_user(to, from, size)  __copy_user((to), (from), (size))
diff --git a/arch/m32r/include/asm/uaccess.h b/arch/m32r/include/asm/uaccess.h
index cac7014daef3..6f8982157a75 100644
--- a/arch/m32r/include/asm/uaccess.h
+++ b/arch/m32r/include/asm/uaccess.h
@@ -219,7 +219,7 @@ extern int fixup_exception(struct pt_regs *regs);
 #define __get_user_nocheck(x, ptr, size)                                \
 ({                                                                      \
        long __gu_err = 0;                                              \
-        unsigned long __gu_val;                                         \
+        unsigned long __gu_val = 0;                                     \
        might_fault();                                                  \
        __get_user_size(__gu_val, (ptr), (size), __gu_err);             \
        (x) = (__force __typeof__(*(ptr)))__gu_val;                     \
diff --git a/arch/metag/include/asm/uaccess.h b/arch/metag/include/asm/uaccess.h
index 8282cbce7e39..273e61225c27 100644
--- a/arch/metag/include/asm/uaccess.h
+++ b/arch/metag/include/asm/uaccess.h
@@ -204,8 +204,9 @@ extern unsigned long __must_check __copy_user_zeroing(void *to,
 static inline unsigned long
 copy_from_user(void *to, const void __user *from, unsigned long n)
 {
-        if (access_ok(VERIFY_READ, from, n))
+        if (likely(access_ok(VERIFY_READ, from, n)))
                return __copy_user_zeroing(to, from, n);
+        memset(to, 0, n);
        return n;
 }
diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h
index 331b0d35f89c..826676778094 100644
--- a/arch/microblaze/include/asm/uaccess.h
+++ b/arch/microblaze/include/asm/uaccess.h
@@ -227,7 +227,7 @@ extern long __user_bad(void);
 #define __get_user(x, ptr)                                              \
 ({                                                                      \
-        unsigned long __gu_val;                                         \
+        unsigned long __gu_val = 0;                                     \
        /*unsigned long __gu_ptr = (unsigned long)(ptr);*/              \
        long __gu_err;                                                  \
        switch (sizeof(*(ptr))) {                                       \
@@ -373,10 +373,13 @@ extern long __user_bad(void);
 static inline long copy_from_user(void *to,
                const void __user *from, unsigned long n)
 {
+        unsigned long res = n;
        might_fault();
-        if (access_ok(VERIFY_READ, from, n))
+        if (likely(access_ok(VERIFY_READ, from, n)))
-                return __copy_from_user(to, from, n);
+                res = __copy_from_user(to, from, n);
-        return n;
+        if (unlikely(res))
+                memset(to + (n - res), 0, res);
+        return res;
 }
 #define __copy_to_user(to, from, n)     \
diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h
index 11b965f98d95..21a2aaba20d5 100644
--- a/arch/mips/include/asm/uaccess.h
+++ b/arch/mips/include/asm/uaccess.h
@@ -14,6 +14,7 @@
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/thread_info.h>
+#include <linux/string.h>
 #include <asm/asm-eva.h>
 /*
@@ -1170,6 +1171,8 @@ extern size_t __copy_in_user_eva(void *__to, const void *__from, size_t __n);
                        __cu_len = __invoke_copy_from_user(__cu_to,     \
                                                           __cu_from,   \
                                                           __cu_len);   \
+                } else {                                                \
+                        memset(__cu_to, 0, __cu_len);                   \
                }                                                       \
        }                                                               \
        __cu_len;                                                       \
diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h
index 20f7bf6de384..d012e877a95a 100644
--- a/arch/mn10300/include/asm/uaccess.h
+++ b/arch/mn10300/include/asm/uaccess.h
@@ -166,6 +166,7 @@ struct __large_struct { unsigned long buf[100]; };
                "2:\n"                                          \
                "       .section        .fixup,\"ax\"\n"        \
                "3:\n\t"                                        \
+                "       mov             0,%1\n"                 \
                "       mov             %3,%0\n"                \
                "       jmp             2b\n"                   \
                "       .previous\n"                            \
diff --git a/arch/mn10300/lib/usercopy.c b/arch/mn10300/lib/usercopy.c
index 7826e6c364e7..ce8899e5e171 100644
--- a/arch/mn10300/lib/usercopy.c
+++ b/arch/mn10300/lib/usercopy.c
@@ -9,7 +9,7 @@
 * as published by the Free Software Foundation; either version
 * 2 of the Licence, or (at your option) any later version.
 */
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 unsigned long
 __generic_copy_to_user(void *to, const void *from, unsigned long n)
@@ -24,6 +24,8 @@ __generic_copy_from_user(void *to, const void *from, unsigned long n)
 {
        if (access_ok(VERIFY_READ, from, n))
                __copy_user_zeroing(to, from, n);
+        else
+                memset(to, 0, n);
        return n;
 }
diff --git a/arch/nios2/include/asm/uaccess.h b/arch/nios2/include/asm/uaccess.h
index caa51ff85a3c..0ab82324c817 100644
--- a/arch/nios2/include/asm/uaccess.h
+++ b/arch/nios2/include/asm/uaccess.h
@@ -102,9 +102,12 @@ extern long __copy_to_user(void __user *to, const void *from, unsigned long n);
 static inline long copy_from_user(void *to, const void __user *from,
                                unsigned long n)
 {
-        if (!access_ok(VERIFY_READ, from, n))
+        unsigned long res = n;
-                return n;
+        if (access_ok(VERIFY_READ, from, n))
-        return __copy_from_user(to, from, n);
+                res = __copy_from_user(to, from, n);
+        if (unlikely(res))
+                memset(to + (n - res), 0, res);
+        return res;
 }
 static inline long copy_to_user(void __user *to, const void *from,
@@ -139,7 +142,7 @@ extern long strnlen_user(const char __user *s, long n);
 #define __get_user_unknown(val, size, ptr, err) do {                    \
        err = 0;                                                        \
-        if (copy_from_user(&(val), ptr, size)) {                        \
+        if (__copy_from_user(&(val), ptr, size)) {                      \
                err = -EFAULT;                                          \
        }                                                               \
        } while (0)
@@ -166,7 +169,7 @@ do {									\
        ({                                                              \
        long __gu_err = -EFAULT;                                        \
        const __typeof__(*(ptr)) __user *__gu_ptr = (ptr);              \
-        unsigned long __gu_val;                                         \
+        unsigned long __gu_val = 0;                                     \
        __get_user_common(__gu_val, sizeof(*(ptr)), __gu_ptr, __gu_err);\
        (x) = (__force __typeof__(x))__gu_val;                          \
        __gu_err;                                                       \
diff --git a/arch/openrisc/include/asm/uaccess.h b/arch/openrisc/include/asm/uaccess.h
index a6bd07ca3d6c..5cc6b4f1b795 100644
--- a/arch/openrisc/include/asm/uaccess.h
+++ b/arch/openrisc/include/asm/uaccess.h
@@ -273,28 +273,20 @@ __copy_tofrom_user(void *to, const void *from, unsigned long size);
 static inline unsigned long
 copy_from_user(void *to, const void *from, unsigned long n)
 {
-        unsigned long over;
+        unsigned long res = n;
-        if (access_ok(VERIFY_READ, from, n))
+        if (likely(access_ok(VERIFY_READ, from, n)))
-                return __copy_tofrom_user(to, from, n);
+                res = __copy_tofrom_user(to, from, n);
-        if ((unsigned long)from < TASK_SIZE) {
+        if (unlikely(res))
-                over = (unsigned long)from + n - TASK_SIZE;
+                memset(to + (n - res), 0, res);
-                return __copy_tofrom_user(to, from, n - over) + over;
+        return res;
-        }
-        return n;
 }
 static inline unsigned long
 copy_to_user(void *to, const void *from, unsigned long n)
 {
-        unsigned long over;
+        if (likely(access_ok(VERIFY_WRITE, to, n)))
+                n = __copy_tofrom_user(to, from, n);
-        if (access_ok(VERIFY_WRITE, to, n))
-                return __copy_tofrom_user(to, from, n);
-        if ((unsigned long)to < TASK_SIZE) {
-                over = (unsigned long)to + n - TASK_SIZE;
-                return __copy_tofrom_user(to, from, n - over) + over;
-        }
        return n;
 }
@@ -303,13 +295,8 @@ extern unsigned long __clear_user(void *addr, unsigned long size);
 static inline __must_check unsigned long
 clear_user(void *addr, unsigned long size)
 {
+        if (likely(access_ok(VERIFY_WRITE, addr, size)))
-        if (access_ok(VERIFY_WRITE, addr, size))
+                size = __clear_user(addr, size);
-                return __clear_user(addr, size);
-        if ((unsigned long)addr < TASK_SIZE) {
-                unsigned long over = (unsigned long)addr + size - TASK_SIZE;
-                return __clear_user(addr, size - over) + over;
-        }
        return size;
 }
diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
index e9150487e20d..482847865dac 100644
--- a/arch/parisc/include/asm/uaccess.h
+++ b/arch/parisc/include/asm/uaccess.h
@@ -10,6 +10,7 @@
 #include <asm-generic/uaccess-unaligned.h>
 #include <linux/bug.h>
+#include <linux/string.h>
 #define VERIFY_READ 0
 #define VERIFY_WRITE 1
@@ -221,7 +222,7 @@ static inline unsigned long __must_check copy_from_user(void *to,
                                          unsigned long n)
 {
        int sz = __compiletime_object_size(to);
-        int ret = -EFAULT;
+        unsigned long ret = n;
        if (likely(sz == -1 || sz >= n))
                ret = __copy_from_user(to, from, n);
@@ -230,6 +231,8 @@ static inline unsigned long __must_check copy_from_user(void *to,
        else
                __bad_copy_user();
+        if (unlikely(ret))
+                memset(to + (n - ret), 0, ret);
        return ret;
 }
diff --git a/arch/powerpc/include/asm/cpu_has_feature.h b/arch/powerpc/include/asm/cpu_has_feature.h
index 2ef55f8968a2..b312b152461b 100644
--- a/arch/powerpc/include/asm/cpu_has_feature.h
+++ b/arch/powerpc/include/asm/cpu_has_feature.h
@@ -15,7 +15,7 @@ static inline bool early_cpu_has_feature(unsigned long feature)
 #ifdef CONFIG_JUMP_LABEL_FEATURE_CHECKS
 #include <linux/jump_label.h>
-#define NUM_CPU_FTR_KEYS        64
+#define NUM_CPU_FTR_KEYS        BITS_PER_LONG
 extern struct static_key_true cpu_feature_keys[NUM_CPU_FTR_KEYS];
diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
index f1e382498bbb..c266227fdd5b 100644
--- a/arch/powerpc/include/asm/uaccess.h
+++ b/arch/powerpc/include/asm/uaccess.h
@@ -308,36 +308,21 @@ extern unsigned long __copy_tofrom_user(void __user *to,
 static inline unsigned long copy_from_user(void *to,
                const void __user *from, unsigned long n)
 {
-        unsigned long over;
+        if (likely(access_ok(VERIFY_READ, from, n))) {
-        if (access_ok(VERIFY_READ, from, n)) {
                check_object_size(to, n, false);
                return __copy_tofrom_user((__force void __user *)to, from, n);
        }
-        if ((unsigned long)from < TASK_SIZE) {
+        memset(to, 0, n);
-                over = (unsigned long)from + n - TASK_SIZE;
-                check_object_size(to, n - over, false);
-                return __copy_tofrom_user((__force void __user *)to, from,
-                                n - over) + over;
-        }
        return n;
 }
 static inline unsigned long copy_to_user(void __user *to,
                const void *from, unsigned long n)
 {
-        unsigned long over;
        if (access_ok(VERIFY_WRITE, to, n)) {
                check_object_size(from, n, true);
                return __copy_tofrom_user(to, (__force void __user *)from, n);
        }
-        if ((unsigned long)to < TASK_SIZE) {
-                over = (unsigned long)to + n - TASK_SIZE;
-                check_object_size(from, n - over, true);
-                return __copy_tofrom_user(to, (__force void __user *)from,
-                                n - over) + over;
-        }
        return n;
 }
@@ -434,10 +419,6 @@ static inline unsigned long clear_user(void __user *addr, unsigned long size)
        might_fault();
        if (likely(access_ok(VERIFY_WRITE, addr, size)))
                return __clear_user(addr, size);
-        if ((unsigned long)addr < TASK_SIZE) {
-                unsigned long over = (unsigned long)addr + size - TASK_SIZE;
-                return __clear_user(addr, size - over) + over;
-        }
        return size;
 }
diff --git a/arch/powerpc/kernel/idle_book3s.S b/arch/powerpc/kernel/idle_book3s.S
index 2265c6398a17..bd739fed26e3 100644
--- a/arch/powerpc/kernel/idle_book3s.S
+++ b/arch/powerpc/kernel/idle_book3s.S
@@ -411,7 +411,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
 *
 * r13 - PACA
 * cr3 - gt if waking up with partial/complete hypervisor state loss
- * cr4 - eq if waking up from complete hypervisor state loss.
+ * cr4 - gt or eq if waking up from complete hypervisor state loss.
 */
 _GLOBAL(pnv_wakeup_tb_loss)
        ld      r1,PACAR1(r13)
@@ -453,7 +453,7 @@ lwarx_loop2:
         * At this stage
         * cr2 - eq if first thread to wakeup in core
         * cr3-  gt if waking up with partial/complete hypervisor state loss
-         * cr4 - eq if waking up from complete hypervisor state loss.
+         * cr4 - gt or eq if waking up from complete hypervisor state loss.
         */
        ori     r15,r15,PNV_CORE_IDLE_LOCK_BIT
@@ -481,7 +481,7 @@ first_thread_in_subcore:
         * If waking up from sleep, subcore state is not lost. Hence
         * skip subcore state restore
         */
-        bne     cr4,subcore_state_restored
+        blt     cr4,subcore_state_restored
        /* Restore per-subcore state */
        ld      r4,_SDR1(r1)
@@ -526,7 +526,7 @@ timebase_resync:
         * If waking up from sleep, per core state is not lost, skip to
         * clear_lock.
         */
-        bne     cr4,clear_lock
+        blt     cr4,clear_lock
        /*
         * First thread in the core to wake up and its waking up with
@@ -557,7 +557,7 @@ common_exit:
         * If waking up from sleep, hypervisor state is not lost. Hence
         * skip hypervisor state restore.
         */
-        bne     cr4,hypervisor_state_restored
+        blt     cr4,hypervisor_state_restored
        /* Waking up from winkle */
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index c16d790808f1..bc0c91e84ca0 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -2217,7 +2217,7 @@ static long pnv_pci_ioda2_set_window(struct iommu_table_group *table_group,
        pnv_pci_link_table_and_group(phb->hose->node, num,
                        tbl, &pe->table_group);
-        pnv_pci_phb3_tce_invalidate_pe(pe);
+        pnv_pci_ioda2_tce_invalidate_pe(pe);
        return 0;
 }
@@ -2355,7 +2355,7 @@ static long pnv_pci_ioda2_unset_window(struct iommu_table_group *table_group,
        if (ret)
                pe_warn(pe, "Unmapping failed, ret = %ld\n", ret);
        else
-                pnv_pci_phb3_tce_invalidate_pe(pe);
+                pnv_pci_ioda2_tce_invalidate_pe(pe);
        pnv_pci_unlink_table_and_group(table_group->tables[num], table_group);
@@ -3426,7 +3426,17 @@ static void pnv_ioda_release_pe(struct pnv_ioda_pe *pe)
                }
        }
-        pnv_ioda_free_pe(pe);
+        /*
+         * The PE for root bus can be removed because of hotplug in EEH
+         * recovery for fenced PHB error. We need to mark the PE dead so
+         * that it can be populated again in PCI hot add path. The PE
+         * shouldn't be destroyed as it's the global reserved resource.
+         */
+        if (phb->ioda.root_pe_populated &&
+            phb->ioda.root_pe_idx == pe->pe_number)
+                phb->ioda.root_pe_populated = false;
+        else
+                pnv_ioda_free_pe(pe);
 }
 static void pnv_pci_release_device(struct pci_dev *pdev)
@@ -3442,7 +3452,17 @@ static void pnv_pci_release_device(struct pci_dev *pdev)
        if (!pdn || pdn->pe_number == IODA_INVALID_PE)
                return;
+        /*
+         * PCI hotplug can happen as part of EEH error recovery. The @pdn
+         * isn't removed and added afterwards in this scenario. We should
+         * set the PE number in @pdn to an invalid one. Otherwise, the PE's
+         * device count is decreased on removing devices while failing to
+         * be increased on adding devices. It leads to unbalanced PE's device
+         * count and eventually make normal PCI hotplug path broken.
+         */
        pe = &phb->ioda.pe_array[pdn->pe_number];
+        pdn->pe_number = IODA_INVALID_PE;
        WARN_ON(--pe->device_count < 0);
        if (pe->device_count == 0)
                pnv_ioda_release_pe(pe);
diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h
index 95aefdba4be2..52d7c8709279 100644
--- a/arch/s390/include/asm/uaccess.h
+++ b/arch/s390/include/asm/uaccess.h
@@ -266,28 +266,28 @@ int __put_user_bad(void) __attribute__((noreturn));
        __chk_user_ptr(ptr);                                    \
        switch (sizeof(*(ptr))) {                               \
        case 1: {                                               \
-                unsigned char __x;                              \
+                unsigned char __x = 0;                          \
                __gu_err = __get_user_fn(&__x, ptr,             \
                                         sizeof(*(ptr)));       \
                (x) = *(__force __typeof__(*(ptr)) *) &__x;     \
                break;                                          \
        };                                                      \
        case 2: {                                               \
-                unsigned short __x;                             \
+                unsigned short __x = 0;                         \
                __gu_err = __get_user_fn(&__x, ptr,             \
                                         sizeof(*(ptr)));       \
                (x) = *(__force __typeof__(*(ptr)) *) &__x;     \
                break;                                          \
        };                                                      \
        case 4: {                                               \
-                unsigned int __x;                               \
+                unsigned int __x = 0;                           \
                __gu_err = __get_user_fn(&__x, ptr,             \
                                         sizeof(*(ptr)));       \
                (x) = *(__force __typeof__(*(ptr)) *) &__x;     \
                break;                                          \
        };                                                      \
        case 8: {                                               \
-                unsigned long long __x;                         \
+                unsigned long long __x = 0;                     \
                __gu_err = __get_user_fn(&__x, ptr,             \
                                         sizeof(*(ptr)));       \
                (x) = *(__force __typeof__(*(ptr)) *) &__x;     \
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index f142215ed30d..607ec91966c7 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -2231,9 +2231,10 @@ int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
                return -EINVAL;
        current->thread.fpu.fpc = fpu->fpc;
        if (MACHINE_HAS_VX)
-                convert_fp_to_vx(current->thread.fpu.vxrs, (freg_t *)fpu->fprs);
+                convert_fp_to_vx((__vector128 *) vcpu->run->s.regs.vrs,
+                                 (freg_t *) fpu->fprs);
        else
-                memcpy(current->thread.fpu.fprs, &fpu->fprs, sizeof(fpu->fprs));
+                memcpy(vcpu->run->s.regs.fprs, &fpu->fprs, sizeof(fpu->fprs));
        return 0;
 }
@@ -2242,9 +2243,10 @@ int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
        /* make sure we have the latest values */
        save_fpu_regs();
        if (MACHINE_HAS_VX)
-                convert_vx_to_fp((freg_t *)fpu->fprs, current->thread.fpu.vxrs);
+                convert_vx_to_fp((freg_t *) fpu->fprs,
+                                 (__vector128 *) vcpu->run->s.regs.vrs);
        else
-                memcpy(fpu->fprs, current->thread.fpu.fprs, sizeof(fpu->fprs));
+                memcpy(fpu->fprs, vcpu->run->s.regs.fprs, sizeof(fpu->fprs));
        fpu->fpc = current->thread.fpu.fpc;
        return 0;
 }
diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c
index c106488b4137..d8673e243f13 100644
--- a/arch/s390/kvm/vsie.c
+++ b/arch/s390/kvm/vsie.c
@@ -584,7 +584,7 @@ static int pin_blocks(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page)
                /* Validity 0x0044 will be checked by SIE */
                if (rc)
                        goto unpin;
-                scb_s->gvrd = hpa;
+                scb_s->riccbd = hpa;
        }
        return 0;
 unpin:
diff --git a/arch/score/include/asm/uaccess.h b/arch/score/include/asm/uaccess.h
index 20a3591225cc..01aec8ccde83 100644
--- a/arch/score/include/asm/uaccess.h
+++ b/arch/score/include/asm/uaccess.h
@@ -163,7 +163,7 @@ do {									\
                __get_user_asm(val, "lw", ptr);                         \
                 break;                                                 \
        case 8:                                                         \
-                if ((copy_from_user((void *)&val, ptr, 8)) == 0)        \
+                if (__copy_from_user((void *)&val, ptr, 8) == 0)        \
                        __gu_err = 0;                                   \
                else                                                    \
                        __gu_err = -EFAULT;                             \
@@ -188,6 +188,8 @@ do {									\
                                                                        \
        if (likely(access_ok(VERIFY_READ, __gu_ptr, size)))             \
                __get_user_common((x), size, __gu_ptr);                 \
+        else                                                            \
+                (x) = 0;                                                \
                                                                        \
        __gu_err;                                                       \
 })
@@ -201,6 +203,7 @@ do {									\
                "2:\n"                                                  \
                ".section .fixup,\"ax\"\n"                              \
                "3:li   %0, %4\n"                                       \
+                "li     %1, 0\n"                                        \
                "j      2b\n"                                           \
                ".previous\n"                                           \
                ".section __ex_table,\"a\"\n"                           \
@@ -298,35 +301,34 @@ extern int __copy_tofrom_user(void *to, const void *from, unsigned long len);
 static inline unsigned long
 copy_from_user(void *to, const void *from, unsigned long len)
 {
-        unsigned long over;
+        unsigned long res = len;
-        if (access_ok(VERIFY_READ, from, len))
+        if (likely(access_ok(VERIFY_READ, from, len)))
-                return __copy_tofrom_user(to, from, len);
+                res = __copy_tofrom_user(to, from, len);
-        if ((unsigned long)from < TASK_SIZE) {
+        if (unlikely(res))
-                over = (unsigned long)from + len - TASK_SIZE;
+                memset(to + (len - res), 0, res);
-                return __copy_tofrom_user(to, from, len - over) + over;
-        }
+        return res;
-        return len;
 }
 static inline unsigned long
 copy_to_user(void *to, const void *from, unsigned long len)
 {
-        unsigned long over;
+        if (likely(access_ok(VERIFY_WRITE, to, len)))
+                len = __copy_tofrom_user(to, from, len);
-        if (access_ok(VERIFY_WRITE, to, len))
-                return __copy_tofrom_user(to, from, len);
-        if ((unsigned long)to < TASK_SIZE) {
-                over = (unsigned long)to + len - TASK_SIZE;
-                return __copy_tofrom_user(to, from, len - over) + over;
-        }
        return len;
 }
-#define __copy_from_user(to, from, len) \
+static inline unsigned long
-                __copy_tofrom_user((to), (from), (len))
+__copy_from_user(void *to, const void *from, unsigned long len)
+{
+        unsigned long left = __copy_tofrom_user(to, from, len);
+        if (unlikely(left))
+                memset(to + (len - left), 0, left);
+        return left;
+}
 #define __copy_to_user(to, from, len)           \
                __copy_tofrom_user((to), (from), (len))
@@ -340,17 +342,17 @@ __copy_to_user_inatomic(void *to, const void *from, unsigned long len)
 static inline unsigned long
 __copy_from_user_inatomic(void *to, const void *from, unsigned long len)
 {
-        return __copy_from_user(to, from, len);
+        return __copy_tofrom_user(to, from, len);
 }
-#define __copy_in_user(to, from, len)   __copy_from_user(to, from, len)
+#define __copy_in_user(to, from, len)   __copy_tofrom_user(to, from, len)
 static inline unsigned long
 copy_in_user(void *to, const void *from, unsigned long len)
 {
        if (access_ok(VERIFY_READ, from, len) &&
                      access_ok(VERFITY_WRITE, to, len))
-                return copy_from_user(to, from, len);
+                return __copy_tofrom_user(to, from, len);
 }
 /*
diff --git a/arch/sh/include/asm/uaccess.h b/arch/sh/include/asm/uaccess.h
index a49635c51266..92ade79ac427 100644
--- a/arch/sh/include/asm/uaccess.h
+++ b/arch/sh/include/asm/uaccess.h
@@ -151,7 +151,10 @@ copy_from_user(void *to, const void __user *from, unsigned long n)
        __kernel_size_t __copy_size = (__kernel_size_t) n;
        if (__copy_size && __access_ok(__copy_from, __copy_size))
-                return __copy_user(to, from, __copy_size);
+                __copy_size = __copy_user(to, from, __copy_size);
+        if (unlikely(__copy_size))
+                memset(to + (n - __copy_size), 0, __copy_size);
        return __copy_size;
 }
diff --git a/arch/sh/include/asm/uaccess_64.h b/arch/sh/include/asm/uaccess_64.h
index c01376c76b86..ca5073dd4596 100644
--- a/arch/sh/include/asm/uaccess_64.h
+++ b/arch/sh/include/asm/uaccess_64.h
@@ -24,6 +24,7 @@
 #define __get_user_size(x,ptr,size,retval)                      \
 do {                                                            \
        retval = 0;                                             \
+        x = 0;                                                  \
        switch (size) {                                         \
        case 1:                                                 \
                retval = __get_user_asm_b((void *)&x,           \
diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h
index e722c510bb1b..ea55f86d7ccd 100644
--- a/arch/sparc/include/asm/uaccess_32.h
+++ b/arch/sparc/include/asm/uaccess_32.h
@@ -266,8 +266,10 @@ static inline unsigned long copy_from_user(void *to, const void __user *from, un
        if (n && __access_ok((unsigned long) from, n)) {
                check_object_size(to, n, false);
                return __copy_user((__force void __user *) to, from, n);
-        } else
+        } else {
+                memset(to, 0, n);
                return n;
+        }
 }
 static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n)
diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index ff574dad95cc..94dd4a31f5b3 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -1004,79 +1004,87 @@ static efi_status_t alloc_e820ext(u32 nr_desc, struct setup_data **e820ext,
        return status;
 }
-static efi_status_t exit_boot(struct boot_params *boot_params,
+struct exit_boot_struct {
-                              void *handle, bool is64)
+        struct boot_params *boot_params;
-{
+        struct efi_info *efi;
-        struct efi_info *efi = &boot_params->efi_info;
-        unsigned long map_sz, key, desc_size;
-        efi_memory_desc_t *mem_map;
        struct setup_data *e820ext;
-        const char *signature;
        __u32 e820ext_size;
-        __u32 nr_desc, prev_nr_desc;
+        bool is64;
-        efi_status_t status;
+};
-        __u32 desc_version;
-        bool called_exit = false;
-        u8 nr_entries;
-        int i;
-        nr_desc = 0;
-        e820ext = NULL;
-        e820ext_size = 0;
-get_map:
-        status = efi_get_memory_map(sys_table, &mem_map, &map_sz, &desc_size,
-                                    &desc_version, &key);
-        if (status != EFI_SUCCESS)
-                return status;
-        prev_nr_desc = nr_desc;
-        nr_desc = map_sz / desc_size;
-        if (nr_desc > prev_nr_desc &&
-            nr_desc > ARRAY_SIZE(boot_params->e820_map)) {
-                u32 nr_e820ext = nr_desc - ARRAY_SIZE(boot_params->e820_map);
-                status = alloc_e820ext(nr_e820ext, &e820ext, &e820ext_size);
-                if (status != EFI_SUCCESS)
-                        goto free_mem_map;
-                efi_call_early(free_pool, mem_map);
+static efi_status_t exit_boot_func(efi_system_table_t *sys_table_arg,
-                goto get_map; /* Allocated memory, get map again */
+                                   struct efi_boot_memmap *map,
+                                   void *priv)
+{
+        static bool first = true;
+        const char *signature;
+        __u32 nr_desc;
+        efi_status_t status;
+        struct exit_boot_struct *p = priv;
+        if (first) {
+                nr_desc = *map->buff_size / *map->desc_size;
+                if (nr_desc > ARRAY_SIZE(p->boot_params->e820_map)) {
+                        u32 nr_e820ext = nr_desc -
+                                        ARRAY_SIZE(p->boot_params->e820_map);
+                        status = alloc_e820ext(nr_e820ext, &p->e820ext,
+                                               &p->e820ext_size);
+                        if (status != EFI_SUCCESS)
+                                return status;
+                }
+                first = false;
        }
-        signature = is64 ? EFI64_LOADER_SIGNATURE : EFI32_LOADER_SIGNATURE;
+        signature = p->is64 ? EFI64_LOADER_SIGNATURE : EFI32_LOADER_SIGNATURE;
-        memcpy(&efi->efi_loader_signature, signature, sizeof(__u32));
+        memcpy(&p->efi->efi_loader_signature, signature, sizeof(__u32));
-        efi->efi_systab = (unsigned long)sys_table;
+        p->efi->efi_systab = (unsigned long)sys_table_arg;
-        efi->efi_memdesc_size = desc_size;
+        p->efi->efi_memdesc_size = *map->desc_size;
-        efi->efi_memdesc_version = desc_version;
+        p->efi->efi_memdesc_version = *map->desc_ver;
-        efi->efi_memmap = (unsigned long)mem_map;
+        p->efi->efi_memmap = (unsigned long)*map->map;
-        efi->efi_memmap_size = map_sz;
+        p->efi->efi_memmap_size = *map->map_size;
 #ifdef CONFIG_X86_64
-        efi->efi_systab_hi = (unsigned long)sys_table >> 32;
+        p->efi->efi_systab_hi = (unsigned long)sys_table_arg >> 32;
-        efi->efi_memmap_hi = (unsigned long)mem_map >> 32;
+        p->efi->efi_memmap_hi = (unsigned long)*map->map >> 32;
 #endif
+        return EFI_SUCCESS;
+}
+static efi_status_t exit_boot(struct boot_params *boot_params,
+                              void *handle, bool is64)
+{
+        unsigned long map_sz, key, desc_size, buff_size;
+        efi_memory_desc_t *mem_map;
+        struct setup_data *e820ext;
+        __u32 e820ext_size;
+        efi_status_t status;
+        __u32 desc_version;
+        struct efi_boot_memmap map;
+        struct exit_boot_struct priv;
+        map.map =               &mem_map;
+        map.map_size =          &map_sz;
+        map.desc_size =         &desc_size;
+        map.desc_ver =          &desc_version;
+        map.key_ptr =           &key;
+        map.buff_size =         &buff_size;
+        priv.boot_params =      boot_params;
+        priv.efi =              &boot_params->efi_info;
+        priv.e820ext =          NULL;
+        priv.e820ext_size =     0;
+        priv.is64 =             is64;
        /* Might as well exit boot services now */
-        status = efi_call_early(exit_boot_services, handle, key);
+        status = efi_exit_boot_services(sys_table, handle, &map, &priv,
-        if (status != EFI_SUCCESS) {
+                                        exit_boot_func);
-                /*
+        if (status != EFI_SUCCESS)
-                 * ExitBootServices() will fail if any of the event
+                return status;
-                 * handlers change the memory map. In which case, we
-                 * must be prepared to retry, but only once so that
-                 * we're guaranteed to exit on repeated failures instead
-                 * of spinning forever.
-                 */
-                if (called_exit)
-                        goto free_mem_map;
-                called_exit = true;
-                efi_call_early(free_pool, mem_map);
-                goto get_map;
-        }
+        e820ext = priv.e820ext;
+        e820ext_size = priv.e820ext_size;
        /* Historic? */
        boot_params->alt_mem_k = 32 * 1024;
@@ -1085,10 +1093,6 @@ get_map:
                return status;
        return EFI_SUCCESS;
-free_mem_map:
-        efi_call_early(free_pool, mem_map);
-        return status;
 }
 /*
diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c
index e07a22bb9308..f5f4b3fbbbc2 100644
--- a/arch/x86/events/amd/core.c
+++ b/arch/x86/events/amd/core.c
@@ -119,8 +119,8 @@ static const u64 amd_perfmon_event_map[PERF_COUNT_HW_MAX] =
 {
  [PERF_COUNT_HW_CPU_CYCLES]                    = 0x0076,
  [PERF_COUNT_HW_INSTRUCTIONS]                  = 0x00c0,
-  [PERF_COUNT_HW_CACHE_REFERENCES]              = 0x0080,
+  [PERF_COUNT_HW_CACHE_REFERENCES]              = 0x077d,
-  [PERF_COUNT_HW_CACHE_MISSES]                  = 0x0081,
+  [PERF_COUNT_HW_CACHE_MISSES]                  = 0x077e,
  [PERF_COUNT_HW_BRANCH_INSTRUCTIONS]           = 0x00c2,
  [PERF_COUNT_HW_BRANCH_MISSES]                 = 0x00c3,
  [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND]       = 0x00d0, /* "Decoder empty" event */
diff --git a/arch/x86/events/amd/uncore.c b/arch/x86/events/amd/uncore.c
index e6131d4454e6..65577f081d07 100644
--- a/arch/x86/events/amd/uncore.c
+++ b/arch/x86/events/amd/uncore.c
@@ -29,6 +29,8 @@
 #define COUNTER_SHIFT           16
+static HLIST_HEAD(uncore_unused_list);
 struct amd_uncore {
        int id;
        int refcnt;
@@ -39,7 +41,7 @@ struct amd_uncore {
        cpumask_t *active_mask;
        struct pmu *pmu;
        struct perf_event *events[MAX_COUNTERS];
-        struct amd_uncore *free_when_cpu_online;
+        struct hlist_node node;
 };
 static struct amd_uncore * __percpu *amd_uncore_nb;
@@ -306,6 +308,7 @@ static int amd_uncore_cpu_up_prepare(unsigned int cpu)
                uncore_nb->msr_base = MSR_F15H_NB_PERF_CTL;
                uncore_nb->active_mask = &amd_nb_active_mask;
                uncore_nb->pmu = &amd_nb_pmu;
+                uncore_nb->id = -1;
                *per_cpu_ptr(amd_uncore_nb, cpu) = uncore_nb;
        }
@@ -319,6 +322,7 @@ static int amd_uncore_cpu_up_prepare(unsigned int cpu)
                uncore_l2->msr_base = MSR_F16H_L2I_PERF_CTL;
                uncore_l2->active_mask = &amd_l2_active_mask;
                uncore_l2->pmu = &amd_l2_pmu;
+                uncore_l2->id = -1;
                *per_cpu_ptr(amd_uncore_l2, cpu) = uncore_l2;
        }
@@ -348,7 +352,7 @@ amd_uncore_find_online_sibling(struct amd_uncore *this,
                        continue;
                if (this->id == that->id) {
-                        that->free_when_cpu_online = this;
+                        hlist_add_head(&this->node, &uncore_unused_list);
                        this = that;
                        break;
                }
@@ -388,13 +392,23 @@ static int amd_uncore_cpu_starting(unsigned int cpu)
        return 0;
 }
+static void uncore_clean_online(void)
+{
+        struct amd_uncore *uncore;
+        struct hlist_node *n;
+        hlist_for_each_entry_safe(uncore, n, &uncore_unused_list, node) {
+                hlist_del(&uncore->node);
+                kfree(uncore);
+        }
+}
 static void uncore_online(unsigned int cpu,
                          struct amd_uncore * __percpu *uncores)
 {
        struct amd_uncore *uncore = *per_cpu_ptr(uncores, cpu);
-        kfree(uncore->free_when_cpu_online);
+        uncore_clean_online();
-        uncore->free_when_cpu_online = NULL;
        if (cpu == uncore->cpu)
                cpumask_set_cpu(cpu, uncore->active_mask);
diff --git a/arch/x86/events/intel/bts.c b/arch/x86/events/intel/bts.c
index 0a6e393a2e62..bdcd6510992c 100644
--- a/arch/x86/events/intel/bts.c
+++ b/arch/x86/events/intel/bts.c
@@ -31,7 +31,17 @@
 struct bts_ctx {
        struct perf_output_handle       handle;
        struct debug_store              ds_back;
-        int                             started;
+        int                             state;
+};
+/* BTS context states: */
+enum {
+        /* no ongoing AUX transactions */
+        BTS_STATE_STOPPED = 0,
+        /* AUX transaction is on, BTS tracing is disabled */
+        BTS_STATE_INACTIVE,
+        /* AUX transaction is on, BTS tracing is running */
+        BTS_STATE_ACTIVE,
 };
 static DEFINE_PER_CPU(struct bts_ctx, bts_ctx);
@@ -204,6 +214,15 @@ static void bts_update(struct bts_ctx *bts)
 static int
 bts_buffer_reset(struct bts_buffer *buf, struct perf_output_handle *handle);
+/*
+ * Ordering PMU callbacks wrt themselves and the PMI is done by means
+ * of bts::state, which:
+ *  - is set when bts::handle::event is valid, that is, between
+ *    perf_aux_output_begin() and perf_aux_output_end();
+ *  - is zero otherwise;
+ *  - is ordered against bts::handle::event with a compiler barrier.
+ */
 static void __bts_event_start(struct perf_event *event)
 {
        struct bts_ctx *bts = this_cpu_ptr(&bts_ctx);
@@ -221,10 +240,13 @@ static void __bts_event_start(struct perf_event *event)
        /*
         * local barrier to make sure that ds configuration made it
-         * before we enable BTS
+         * before we enable BTS and bts::state goes ACTIVE
         */
        wmb();
+        /* INACTIVE/STOPPED -> ACTIVE */
+        WRITE_ONCE(bts->state, BTS_STATE_ACTIVE);
        intel_pmu_enable_bts(config);
 }
@@ -251,9 +273,6 @@ static void bts_event_start(struct perf_event *event, int flags)
        __bts_event_start(event);
-        /* PMI handler: this counter is running and likely generating PMIs */
-        ACCESS_ONCE(bts->started) = 1;
        return;
 fail_end_stop:
@@ -263,30 +282,34 @@ fail_stop:
        event->hw.state = PERF_HES_STOPPED;
 }
-static void __bts_event_stop(struct perf_event *event)
+static void __bts_event_stop(struct perf_event *event, int state)
 {
+        struct bts_ctx *bts = this_cpu_ptr(&bts_ctx);
+        /* ACTIVE -> INACTIVE(PMI)/STOPPED(->stop()) */
+        WRITE_ONCE(bts->state, state);
        /*
         * No extra synchronization is mandated by the documentation to have
         * BTS data stores globally visible.
         */
        intel_pmu_disable_bts();
-        if (event->hw.state & PERF_HES_STOPPED)
-                return;
-        ACCESS_ONCE(event->hw.state) |= PERF_HES_STOPPED;
 }
 static void bts_event_stop(struct perf_event *event, int flags)
 {
        struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
        struct bts_ctx *bts = this_cpu_ptr(&bts_ctx);
-        struct bts_buffer *buf = perf_get_aux(&bts->handle);
+        struct bts_buffer *buf = NULL;
+        int state = READ_ONCE(bts->state);
-        /* PMI handler: don't restart this counter */
+        if (state == BTS_STATE_ACTIVE)
-        ACCESS_ONCE(bts->started) = 0;
+                __bts_event_stop(event, BTS_STATE_STOPPED);
-        __bts_event_stop(event);
+        if (state != BTS_STATE_STOPPED)
+                buf = perf_get_aux(&bts->handle);
+        event->hw.state |= PERF_HES_STOPPED;
        if (flags & PERF_EF_UPDATE) {
                bts_update(bts);
@@ -296,6 +319,7 @@ static void bts_event_stop(struct perf_event *event, int flags)
                                bts->handle.head =
                                        local_xchg(&buf->data_size,
                                                   buf->nr_pages << PAGE_SHIFT);
                        perf_aux_output_end(&bts->handle, local_xchg(&buf->data_size, 0),
                                            !!local_xchg(&buf->lost, 0));
                }
@@ -310,8 +334,20 @@ static void bts_event_stop(struct perf_event *event, int flags)
 void intel_bts_enable_local(void)
 {
        struct bts_ctx *bts = this_cpu_ptr(&bts_ctx);
+        int state = READ_ONCE(bts->state);
+        /*
+         * Here we transition from INACTIVE to ACTIVE;
+         * if we instead are STOPPED from the interrupt handler,
+         * stay that way. Can't be ACTIVE here though.
+         */
+        if (WARN_ON_ONCE(state == BTS_STATE_ACTIVE))
+                return;
+        if (state == BTS_STATE_STOPPED)
+                return;
-        if (bts->handle.event && bts->started)
+        if (bts->handle.event)
                __bts_event_start(bts->handle.event);
 }
@@ -319,8 +355,15 @@ void intel_bts_disable_local(void)
 {
        struct bts_ctx *bts = this_cpu_ptr(&bts_ctx);
+        /*
+         * Here we transition from ACTIVE to INACTIVE;
+         * do nothing for STOPPED or INACTIVE.
+         */
+        if (READ_ONCE(bts->state) != BTS_STATE_ACTIVE)
+                return;
        if (bts->handle.event)
-                __bts_event_stop(bts->handle.event);
+                __bts_event_stop(bts->handle.event, BTS_STATE_INACTIVE);
 }
 static int
@@ -335,8 +378,6 @@ bts_buffer_reset(struct bts_buffer *buf, struct perf_output_handle *handle)
                return 0;
        head = handle->head & ((buf->nr_pages << PAGE_SHIFT) - 1);
-        if (WARN_ON_ONCE(head != local_read(&buf->head)))
-                return -EINVAL;
        phys = &buf->buf[buf->cur_buf];
        space = phys->offset + phys->displacement + phys->size - head;
@@ -403,22 +444,37 @@ bts_buffer_reset(struct bts_buffer *buf, struct perf_output_handle *handle)
 int intel_bts_interrupt(void)
 {
+        struct debug_store *ds = this_cpu_ptr(&cpu_hw_events)->ds;
        struct bts_ctx *bts = this_cpu_ptr(&bts_ctx);
        struct perf_event *event = bts->handle.event;
        struct bts_buffer *buf;
        s64 old_head;
-        int err;
+        int err = -ENOSPC, handled = 0;
-        if (!event || !bts->started)
+        /*
-                return 0;
+         * The only surefire way of knowing if this NMI is ours is by checking
+         * the write ptr against the PMI threshold.
+         */
+        if (ds->bts_index >= ds->bts_interrupt_threshold)
+                handled = 1;
+        /*
+         * this is wrapped in intel_bts_enable_local/intel_bts_disable_local,
+         * so we can only be INACTIVE or STOPPED
+         */
+        if (READ_ONCE(bts->state) == BTS_STATE_STOPPED)
+                return handled;
        buf = perf_get_aux(&bts->handle);
+        if (!buf)
+                return handled;
        /*
         * Skip snapshot counters: they don't use the interrupt, but
         * there's no other way of telling, because the pointer will
         * keep moving
         */
-        if (!buf || buf->snapshot)
+        if (buf->snapshot)
                return 0;
        old_head = local_read(&buf->head);
@@ -426,18 +482,27 @@ int intel_bts_interrupt(void)
        /* no new data */
        if (old_head == local_read(&buf->head))
-                return 0;
+                return handled;
        perf_aux_output_end(&bts->handle, local_xchg(&buf->data_size, 0),
                            !!local_xchg(&buf->lost, 0));
        buf = perf_aux_output_begin(&bts->handle, event);
-        if (!buf)
+        if (buf)
-                return 1;
+                err = bts_buffer_reset(buf, &bts->handle);
+        if (err) {
+                WRITE_ONCE(bts->state, BTS_STATE_STOPPED);
-        err = bts_buffer_reset(buf, &bts->handle);
+                if (buf) {
-        if (err)
+                        /*
-                perf_aux_output_end(&bts->handle, 0, false);
+                         * BTS_STATE_STOPPED should be visible before
+                         * cleared handle::event
+                         */
+                        barrier();
+                        perf_aux_output_end(&bts->handle, 0, false);
+                }
+        }
        return 1;
 }
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 2cbde2f449aa..4c9a79b9cd69 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -1730,9 +1730,11 @@ static __initconst const u64 knl_hw_cache_extra_regs
 * disabled state if called consecutively.
 *
 * During consecutive calls, the same disable value will be written to related
- * registers, so the PMU state remains unchanged. hw.state in
+ * registers, so the PMU state remains unchanged.
- * intel_bts_disable_local will remain PERF_HES_STOPPED too in consecutive
+ *
- * calls.
+ * intel_bts events don't coexist with intel PMU's BTS events because of
+ * x86_add_exclusive(x86_lbr_exclusive_lbr); there's no need to keep them
+ * disabled around intel PMU's event batching etc, only inside the PMI handler.
 */
 static void __intel_pmu_disable_all(void)
 {
@@ -1742,8 +1744,6 @@ static void __intel_pmu_disable_all(void)
        if (test_bit(INTEL_PMC_IDX_FIXED_BTS, cpuc->active_mask))
                intel_pmu_disable_bts();
-        else
-                intel_bts_disable_local();
        intel_pmu_pebs_disable_all();
 }
@@ -1771,8 +1771,7 @@ static void __intel_pmu_enable_all(int added, bool pmi)
                        return;
                intel_pmu_enable_bts(event->hw.config);
-        } else
+        }
-                intel_bts_enable_local();
 }
 static void intel_pmu_enable_all(int added)
@@ -2073,6 +2072,7 @@ static int intel_pmu_handle_irq(struct pt_regs *regs)
         */
        if (!x86_pmu.late_ack)
                apic_write(APIC_LVTPC, APIC_DM_NMI);
+        intel_bts_disable_local();
        __intel_pmu_disable_all();
        handled = intel_pmu_drain_bts_buffer();
        handled += intel_bts_interrupt();
@@ -2172,6 +2172,7 @@ done:
        /* Only restore PMU state when it's active. See x86_pmu_disable(). */
        if (cpuc->enabled)
                __intel_pmu_enable_all(0, true);
+        intel_bts_enable_local();
        /*
         * Only unmask the NMI after the overflow counters
diff --git a/arch/x86/events/intel/cqm.c b/arch/x86/events/intel/cqm.c
index 783c49ddef29..8f82b02934fa 100644
--- a/arch/x86/events/intel/cqm.c
+++ b/arch/x86/events/intel/cqm.c
@@ -458,6 +458,11 @@ static void __intel_cqm_event_count(void *info);
 static void init_mbm_sample(u32 rmid, u32 evt_type);
 static void __intel_mbm_event_count(void *info);
+static bool is_cqm_event(int e)
+{
+        return (e == QOS_L3_OCCUP_EVENT_ID);
+}
 static bool is_mbm_event(int e)
 {
        return (e >= QOS_MBM_TOTAL_EVENT_ID && e <= QOS_MBM_LOCAL_EVENT_ID);
@@ -1366,6 +1371,10 @@ static int intel_cqm_event_init(struct perf_event *event)
             (event->attr.config > QOS_MBM_LOCAL_EVENT_ID))
                return -EINVAL;
+        if ((is_cqm_event(event->attr.config) && !cqm_enabled) ||
+            (is_mbm_event(event->attr.config) && !mbm_enabled))
+                return -EINVAL;
        /* unsupported modes and filters */
        if (event->attr.exclude_user   ||
            event->attr.exclude_kernel ||
diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index 7ce9f3f669e6..9b983a474253 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -1274,18 +1274,18 @@ static void intel_pmu_drain_pebs_nhm(struct pt_regs *iregs)
                struct pebs_record_nhm *p = at;
                u64 pebs_status;
-                /* PEBS v3 has accurate status bits */
+                pebs_status = p->status & cpuc->pebs_enabled;
+                pebs_status &= (1ULL << x86_pmu.max_pebs_events) - 1;
+                /* PEBS v3 has more accurate status bits */
                if (x86_pmu.intel_cap.pebs_format >= 3) {
-                        for_each_set_bit(bit, (unsigned long *)&p->status,
+                        for_each_set_bit(bit, (unsigned long *)&pebs_status,
-                                         MAX_PEBS_EVENTS)
+                                         x86_pmu.max_pebs_events)
                                counts[bit]++;
                        continue;
                }
-                pebs_status = p->status & cpuc->pebs_enabled;
-                pebs_status &= (1ULL << x86_pmu.max_pebs_events) - 1;
                /*
                 * On some CPUs the PEBS status can be zero when PEBS is
                 * racing with clearing of GLOBAL_STATUS.
@@ -1333,8 +1333,11 @@ static void intel_pmu_drain_pebs_nhm(struct pt_regs *iregs)
                        continue;
                event = cpuc->events[bit];
-                WARN_ON_ONCE(!event);
+                if (WARN_ON_ONCE(!event))
-                WARN_ON_ONCE(!event->attr.precise_ip);
+                        continue;
+                if (WARN_ON_ONCE(!event->attr.precise_ip))
+                        continue;
                /* log dropped samples number */
                if (error[bit])
diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c
index 04bb5fb5a8d7..861a7d9cb60f 100644
--- a/arch/x86/events/intel/pt.c
+++ b/arch/x86/events/intel/pt.c
@@ -1074,6 +1074,11 @@ static void pt_addr_filters_fini(struct perf_event *event)
        event->hw.addr_filters = NULL;
 }
+static inline bool valid_kernel_ip(unsigned long ip)
+{
+        return virt_addr_valid(ip) && kernel_ip(ip);
+}
 static int pt_event_addr_filters_validate(struct list_head *filters)
 {
        struct perf_addr_filter *filter;
@@ -1081,11 +1086,16 @@ static int pt_event_addr_filters_validate(struct list_head *filters)
        list_for_each_entry(filter, filters, entry) {
                /* PT doesn't support single address triggers */
-                if (!filter->range)
+                if (!filter->range || !filter->size)
                        return -EOPNOTSUPP;
-                if (!filter->inode && !kernel_ip(filter->offset))
+                if (!filter->inode) {
-                        return -EINVAL;
+                        if (!valid_kernel_ip(filter->offset))
+                                return -EINVAL;
+                        if (!valid_kernel_ip(filter->offset + filter->size))
+                                return -EINVAL;
+                }
                if (++range > pt_cap_get(PT_CAP_num_address_ranges))
                        return -EOPNOTSUPP;
@@ -1111,7 +1121,7 @@ static void pt_event_addr_filters_sync(struct perf_event *event)
                } else {
                        /* apply the offset */
                        msr_a = filter->offset + offs[range];
-                        msr_b = filter->size + msr_a;
+                        msr_b = filter->size + msr_a - 1;
                }
                filters->filter[range].msr_a  = msr_a;
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
index e3af86f58eaf..2131c4ce7d8a 100644
--- a/arch/x86/include/asm/uaccess.h
+++ b/arch/x86/include/asm/uaccess.h
@@ -433,7 +433,11 @@ do {									\
 #define __get_user_asm_ex(x, addr, itype, rtype, ltype)                 \
        asm volatile("1:        mov"itype" %1,%"rtype"0\n"              \
                     "2:\n"                                             \
-                     _ASM_EXTABLE_EX(1b, 2b)                            \
+                     ".section .fixup,\"ax\"\n"                         \
+                     "3:xor"itype" %"rtype"0,%"rtype"0\n"               \
+                     "  jmp 2b\n"                                       \
+                     ".previous\n"                                      \
+                     _ASM_EXTABLE_EX(1b, 3b)                            \
                     : ltype(x) : "m" (__m(addr)))
 #define __put_user_nocheck(x, ptr, size)                        \
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 50c95af0f017..f3e9b2df4b16 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -2093,7 +2093,6 @@ int generic_processor_info(int apicid, int version)
                return -EINVAL;
        }
-        num_processors++;
        if (apicid == boot_cpu_physical_apicid) {
                /*
                 * x86_bios_cpu_apicid is required to have processors listed
@@ -2116,10 +2115,13 @@ int generic_processor_info(int apicid, int version)
                pr_warning("APIC: Package limit reached. Processor %d/0x%x ignored.\n",
                           thiscpu, apicid);
                disabled_cpus++;
                return -ENOSPC;
        }
+        num_processors++;
        /*
         * Validate version
         */
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index b816971f5da4..620ab06bcf45 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -54,6 +54,7 @@ static LIST_HEAD(pcache);
 */
 static u8 *container;
 static size_t container_size;
+static bool ucode_builtin;
 static u32 ucode_new_rev;
 static u8 amd_ucode_patch[PATCH_MAX_SIZE];
@@ -281,18 +282,22 @@ static bool __init load_builtin_amd_microcode(struct cpio_data *cp,
 void __init load_ucode_amd_bsp(unsigned int family)
 {
        struct cpio_data cp;
+        bool *builtin;
        void **data;
        size_t *size;
 #ifdef CONFIG_X86_32
        data =  (void **)__pa_nodebug(&ucode_cpio.data);
        size = (size_t *)__pa_nodebug(&ucode_cpio.size);
+        builtin = (bool *)__pa_nodebug(&ucode_builtin);
 #else
        data = &ucode_cpio.data;
        size = &ucode_cpio.size;
+        builtin = &ucode_builtin;
 #endif
-        if (!load_builtin_amd_microcode(&cp, family))
+        *builtin = load_builtin_amd_microcode(&cp, family);
+        if (!*builtin)
                cp = find_ucode_in_initrd();
        if (!(cp.data && cp.size))
@@ -373,7 +378,8 @@ void load_ucode_amd_ap(void)
                return;
        /* Add CONFIG_RANDOMIZE_MEMORY offset. */
-        cont += PAGE_OFFSET - __PAGE_OFFSET_BASE;
+        if (!ucode_builtin)
+                cont += PAGE_OFFSET - __PAGE_OFFSET_BASE;
        eax = cpuid_eax(0x00000001);
        eq  = (struct equiv_cpu_entry *)(cont + CONTAINER_HDR_SZ);
@@ -439,7 +445,8 @@ int __init save_microcode_in_initrd_amd(void)
                container = cont_va;
        /* Add CONFIG_RANDOMIZE_MEMORY offset. */
-        container += PAGE_OFFSET - __PAGE_OFFSET_BASE;
+        if (!ucode_builtin)
+                container += PAGE_OFFSET - __PAGE_OFFSET_BASE;
        eax   = cpuid_eax(0x00000001);
        eax   = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff);
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index 1d39bfbd26bb..3692249a70f1 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -289,6 +289,7 @@ void __init kvmclock_init(void)
        put_cpu();
        x86_platform.calibrate_tsc = kvm_get_tsc_khz;
+        x86_platform.calibrate_cpu = kvm_get_tsc_khz;
        x86_platform.get_wallclock = kvm_get_wallclock;
        x86_platform.set_wallclock = kvm_set_wallclock;
 #ifdef CONFIG_X86_LOCAL_APIC
diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c
index 5f42d038fcb4..c7220ba94aa7 100644
--- a/arch/x86/kvm/ioapic.c
+++ b/arch/x86/kvm/ioapic.c
@@ -109,6 +109,7 @@ static void __rtc_irq_eoi_tracking_restore_one(struct kvm_vcpu *vcpu)
 {
        bool new_val, old_val;
        struct kvm_ioapic *ioapic = vcpu->kvm->arch.vioapic;
+        struct dest_map *dest_map = &ioapic->rtc_status.dest_map;
        union kvm_ioapic_redirect_entry *e;
        e = &ioapic->redirtbl[RTC_GSI];
@@ -117,16 +118,17 @@ static void __rtc_irq_eoi_tracking_restore_one(struct kvm_vcpu *vcpu)
                return;
        new_val = kvm_apic_pending_eoi(vcpu, e->fields.vector);
-        old_val = test_bit(vcpu->vcpu_id, ioapic->rtc_status.dest_map.map);
+        old_val = test_bit(vcpu->vcpu_id, dest_map->map);
        if (new_val == old_val)
                return;
        if (new_val) {
-                __set_bit(vcpu->vcpu_id, ioapic->rtc_status.dest_map.map);
+                __set_bit(vcpu->vcpu_id, dest_map->map);
+                dest_map->vectors[vcpu->vcpu_id] = e->fields.vector;
                ioapic->rtc_status.pending_eoi++;
        } else {
-                __clear_bit(vcpu->vcpu_id, ioapic->rtc_status.dest_map.map);
+                __clear_bit(vcpu->vcpu_id, dest_map->map);
                ioapic->rtc_status.pending_eoi--;
                rtc_status_pending_eoi_check_valid(ioapic);
        }
diff --git a/arch/x86/kvm/pmu_amd.c b/arch/x86/kvm/pmu_amd.c
index 39b91127ef07..cd944435dfbd 100644
--- a/arch/x86/kvm/pmu_amd.c
+++ b/arch/x86/kvm/pmu_amd.c
@@ -23,8 +23,8 @@
 static struct kvm_event_hw_type_mapping amd_event_mapping[] = {
        [0] = { 0x76, 0x00, PERF_COUNT_HW_CPU_CYCLES },
        [1] = { 0xc0, 0x00, PERF_COUNT_HW_INSTRUCTIONS },
-        [2] = { 0x80, 0x00, PERF_COUNT_HW_CACHE_REFERENCES },
+        [2] = { 0x7d, 0x07, PERF_COUNT_HW_CACHE_REFERENCES },
-        [3] = { 0x81, 0x00, PERF_COUNT_HW_CACHE_MISSES },
+        [3] = { 0x7e, 0x07, PERF_COUNT_HW_CACHE_MISSES },
        [4] = { 0xc2, 0x00, PERF_COUNT_HW_BRANCH_INSTRUCTIONS },
        [5] = { 0xc3, 0x00, PERF_COUNT_HW_BRANCH_MISSES },
        [6] = { 0xd0, 0x00, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND },
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 19f9f9e05c2a..699f8726539a 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2743,16 +2743,16 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
                if (tsc_delta < 0)
                        mark_tsc_unstable("KVM discovered backwards TSC");
-                if (kvm_lapic_hv_timer_in_use(vcpu) &&
-                                kvm_x86_ops->set_hv_timer(vcpu,
-                                        kvm_get_lapic_tscdeadline_msr(vcpu)))
-                        kvm_lapic_switch_to_sw_timer(vcpu);
                if (check_tsc_unstable()) {
                        u64 offset = kvm_compute_tsc_offset(vcpu,
                                                vcpu->arch.last_guest_tsc);
                        kvm_x86_ops->write_tsc_offset(vcpu, offset);
                        vcpu->arch.tsc_catchup = 1;
                }
+                if (kvm_lapic_hv_timer_in_use(vcpu) &&
+                                kvm_x86_ops->set_hv_timer(vcpu,
+                                        kvm_get_lapic_tscdeadline_msr(vcpu)))
+                        kvm_lapic_switch_to_sw_timer(vcpu);
                /*
                 * On a host with synchronized TSC, there is no need to update
                 * kvmclock on vcpu->cpu migration
diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c
index 837ea36a837d..6d52b94f4bb9 100644
--- a/arch/x86/pci/fixup.c
+++ b/arch/x86/pci/fixup.c
@@ -553,15 +553,21 @@ static void twinhead_reserve_killing_zone(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x27B9, twinhead_reserve_killing_zone);
 /*
- * Broadwell EP Home Agent BARs erroneously return non-zero values when read.
+ * Device [8086:2fc0]
+ * Erratum HSE43
+ * CONFIG_TDP_NOMINAL CSR Implemented at Incorrect Offset
+ * http://www.intel.com/content/www/us/en/processors/xeon/xeon-e5-v3-spec-update.html
 *
- * See http://www.intel.com/content/www/us/en/processors/xeon/xeon-e5-v4-spec-update.html
+ * Devices [8086:6f60,6fa0,6fc0]
- * entry BDF2.
+ * Erratum BDF2
+ * PCI BARs in the Home Agent Will Return Non-Zero Values During Enumeration
+ * http://www.intel.com/content/www/us/en/processors/xeon/xeon-e5-v4-spec-update.html
 */
-static void pci_bdwep_bar(struct pci_dev *dev)
+static void pci_invalid_bar(struct pci_dev *dev)
 {
        dev->non_compliant_bars = 1;
 }
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6f60, pci_bdwep_bar);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x2fc0, pci_invalid_bar);
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fa0, pci_bdwep_bar);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6f60, pci_invalid_bar);
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fc0, pci_bdwep_bar);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fa0, pci_invalid_bar);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fc0, pci_invalid_bar);
diff --git a/crypto/cryptd.c b/crypto/cryptd.c
index 77207b41940c..0c654e59f215 100644
--- a/crypto/cryptd.c
+++ b/crypto/cryptd.c
@@ -631,9 +631,14 @@ static int cryptd_hash_export(struct ahash_request *req, void *out)
 static int cryptd_hash_import(struct ahash_request *req, const void *in)
 {
-        struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req);
+        struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+        struct cryptd_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+        struct shash_desc *desc = cryptd_shash_desc(req);
+        desc->tfm = ctx->child;
+        desc->flags = req->base.flags;
-        return crypto_shash_import(&rctx->desc, in);
+        return crypto_shash_import(desc, in);
 }
 static int cryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb,
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 17995fadebd7..82a081ea4317 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -419,7 +419,7 @@ static int rpm_suspend(struct device *dev, int rpmflags)
        struct device *parent = NULL;
        int retval;
-        trace_rpm_suspend(dev, rpmflags);
+        trace_rpm_suspend_rcuidle(dev, rpmflags);
 repeat:
        retval = rpm_check_suspend_allowed(dev);
@@ -549,7 +549,7 @@ static int rpm_suspend(struct device *dev, int rpmflags)
        }
 out:
-        trace_rpm_return_int(dev, _THIS_IP_, retval);
+        trace_rpm_return_int_rcuidle(dev, _THIS_IP_, retval);
        return retval;
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
index 9af359544110..267f99523fbe 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
@@ -783,14 +783,14 @@ static struct ccu_reset_map sun8i_h3_ccu_resets[] = {
        [RST_BUS_I2S1]          =  { 0x2d0, BIT(13) },
        [RST_BUS_I2S2]          =  { 0x2d0, BIT(14) },
-        [RST_BUS_I2C0]          =  { 0x2d4, BIT(0) },
+        [RST_BUS_I2C0]          =  { 0x2d8, BIT(0) },
-        [RST_BUS_I2C1]          =  { 0x2d4, BIT(1) },
+        [RST_BUS_I2C1]          =  { 0x2d8, BIT(1) },
-        [RST_BUS_I2C2]          =  { 0x2d4, BIT(2) },
+        [RST_BUS_I2C2]          =  { 0x2d8, BIT(2) },
-        [RST_BUS_UART0]         =  { 0x2d4, BIT(16) },
+        [RST_BUS_UART0]         =  { 0x2d8, BIT(16) },
-        [RST_BUS_UART1]         =  { 0x2d4, BIT(17) },
+        [RST_BUS_UART1]         =  { 0x2d8, BIT(17) },
-        [RST_BUS_UART2]         =  { 0x2d4, BIT(18) },
+        [RST_BUS_UART2]         =  { 0x2d8, BIT(18) },
-        [RST_BUS_UART3]         =  { 0x2d4, BIT(19) },
+        [RST_BUS_UART3]         =  { 0x2d8, BIT(19) },
-        [RST_BUS_SCR]           =  { 0x2d4, BIT(20) },
+        [RST_BUS_SCR]           =  { 0x2d8, BIT(20) },
 };
 static const struct sunxi_ccu_desc sun8i_h3_ccu_desc = {
diff --git a/drivers/clk/sunxi-ng/ccu_nk.c b/drivers/clk/sunxi-ng/ccu_nk.c
index 4470ffc8cf0d..d6fafb397489 100644
--- a/drivers/clk/sunxi-ng/ccu_nk.c
+++ b/drivers/clk/sunxi-ng/ccu_nk.c
@@ -14,9 +14,9 @@
 #include "ccu_gate.h"
 #include "ccu_nk.h"
-void ccu_nk_find_best(unsigned long parent, unsigned long rate,
+static void ccu_nk_find_best(unsigned long parent, unsigned long rate,
-                      unsigned int max_n, unsigned int max_k,
+                             unsigned int max_n, unsigned int max_k,
-                      unsigned int *n, unsigned int *k)
+                             unsigned int *n, unsigned int *k)
 {
        unsigned long best_rate = 0;
        unsigned int best_k = 0, best_n = 0;
diff --git a/drivers/clk/sunxi/clk-a10-pll2.c b/drivers/clk/sunxi/clk-a10-pll2.c
index 0ee1f363e4be..d8eab90ae661 100644
--- a/drivers/clk/sunxi/clk-a10-pll2.c
+++ b/drivers/clk/sunxi/clk-a10-pll2.c
@@ -73,7 +73,7 @@ static void __init sun4i_pll2_setup(struct device_node *node,
                                          SUN4I_PLL2_PRE_DIV_WIDTH,
                                          CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
                                          &sun4i_a10_pll2_lock);
-        if (!prediv_clk) {
+        if (IS_ERR(prediv_clk)) {
                pr_err("Couldn't register the prediv clock\n");
                goto err_free_array;
        }
@@ -106,7 +106,7 @@ static void __init sun4i_pll2_setup(struct device_node *node,
                                          &mult->hw, &clk_multiplier_ops,
                                          &gate->hw, &clk_gate_ops,
                                          CLK_SET_RATE_PARENT);
-        if (!base_clk) {
+        if (IS_ERR(base_clk)) {
                pr_err("Couldn't register the base multiplier clock\n");
                goto err_free_multiplier;
        }
diff --git a/drivers/clk/sunxi/clk-sun8i-mbus.c b/drivers/clk/sunxi/clk-sun8i-mbus.c
index 411d3033a96e..b200ebf159ee 100644
--- a/drivers/clk/sunxi/clk-sun8i-mbus.c
+++ b/drivers/clk/sunxi/clk-sun8i-mbus.c
@@ -48,7 +48,7 @@ static void __init sun8i_a23_mbus_setup(struct device_node *node)
                return;
        reg = of_io_request_and_map(node, 0, of_node_full_name(node));
-        if (!reg) {
+        if (IS_ERR(reg)) {
                pr_err("Could not get registers for sun8i-mbus-clk\n");
                goto err_free_parents;
        }
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 5a2631af7410..7dd2e2d37231 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -657,9 +657,12 @@ static int __init fdt_find_uefi_params(unsigned long node, const char *uname,
                }
                if (subnode) {
-                        node = of_get_flat_dt_subnode_by_name(node, subnode);
+                        int err = of_get_flat_dt_subnode_by_name(node, subnode);
-                        if (node < 0)
+                        if (err < 0)
                                return 0;
+                        node = err;
                }
                return __find_uefi_params(node, info, dt_params[i].params);
diff --git a/drivers/firmware/efi/libstub/efi-stub-helper.c b/drivers/firmware/efi/libstub/efi-stub-helper.c
index 3bd127f95315..aded10662020 100644
--- a/drivers/firmware/efi/libstub/efi-stub-helper.c
+++ b/drivers/firmware/efi/libstub/efi-stub-helper.c
@@ -41,6 +41,8 @@ static unsigned long __chunk_size = EFI_READ_CHUNK_SIZE;
 #define EFI_ALLOC_ALIGN         EFI_PAGE_SIZE
 #endif
+#define EFI_MMAP_NR_SLACK_SLOTS 8
 struct file_info {
        efi_file_handle_t *handle;
        u64 size;
@@ -63,49 +65,62 @@ void efi_printk(efi_system_table_t *sys_table_arg, char *str)
        }
 }
+static inline bool mmap_has_headroom(unsigned long buff_size,
+                                     unsigned long map_size,
+                                     unsigned long desc_size)
+{
+        unsigned long slack = buff_size - map_size;
+        return slack / desc_size >= EFI_MMAP_NR_SLACK_SLOTS;
+}
 efi_status_t efi_get_memory_map(efi_system_table_t *sys_table_arg,
-                                efi_memory_desc_t **map,
+                                struct efi_boot_memmap *map)
-                                unsigned long *map_size,
-                                unsigned long *desc_size,
-                                u32 *desc_ver,
-                                unsigned long *key_ptr)
 {
        efi_memory_desc_t *m = NULL;
        efi_status_t status;
        unsigned long key;
        u32 desc_version;
-        *map_size = sizeof(*m) * 32;
+        *map->desc_size =       sizeof(*m);
+        *map->map_size =        *map->desc_size * 32;
+        *map->buff_size =       *map->map_size;
 again:
-        /*
-         * Add an additional efi_memory_desc_t because we're doing an
-         * allocation which may be in a new descriptor region.
-         */
-        *map_size += sizeof(*m);
        status = efi_call_early(allocate_pool, EFI_LOADER_DATA,
-                                *map_size, (void **)&m);
+                                *map->map_size, (void **)&m);
        if (status != EFI_SUCCESS)
                goto fail;
-        *desc_size = 0;
+        *map->desc_size = 0;
        key = 0;
-        status = efi_call_early(get_memory_map, map_size, m,
+        status = efi_call_early(get_memory_map, map->map_size, m,
-                                &key, desc_size, &desc_version);
+                                &key, map->desc_size, &desc_version);
-        if (status == EFI_BUFFER_TOO_SMALL) {
+        if (status == EFI_BUFFER_TOO_SMALL ||
+            !mmap_has_headroom(*map->buff_size, *map->map_size,
+                               *map->desc_size)) {
                efi_call_early(free_pool, m);
+                /*
+                 * Make sure there is some entries of headroom so that the
+                 * buffer can be reused for a new map after allocations are
+                 * no longer permitted.  Its unlikely that the map will grow to
+                 * exceed this headroom once we are ready to trigger
+                 * ExitBootServices()
+                 */
+                *map->map_size += *map->desc_size * EFI_MMAP_NR_SLACK_SLOTS;
+                *map->buff_size = *map->map_size;
                goto again;
        }
        if (status != EFI_SUCCESS)
                efi_call_early(free_pool, m);
-        if (key_ptr && status == EFI_SUCCESS)
+        if (map->key_ptr && status == EFI_SUCCESS)
-                *key_ptr = key;
+                *map->key_ptr = key;
-        if (desc_ver && status == EFI_SUCCESS)
+        if (map->desc_ver && status == EFI_SUCCESS)
-                *desc_ver = desc_version;
+                *map->desc_ver = desc_version;
 fail:
-        *map = m;
+        *map->map = m;
        return status;
 }
@@ -113,13 +128,20 @@ fail:
 unsigned long get_dram_base(efi_system_table_t *sys_table_arg)
 {
        efi_status_t status;
-        unsigned long map_size;
+        unsigned long map_size, buff_size;
        unsigned long membase  = EFI_ERROR;
        struct efi_memory_map map;
        efi_memory_desc_t *md;
+        struct efi_boot_memmap boot_map;
-        status = efi_get_memory_map(sys_table_arg, (efi_memory_desc_t **)&map.map,
+        boot_map.map =          (efi_memory_desc_t **)&map.map;
-                                    &map_size, &map.desc_size, NULL, NULL);
+        boot_map.map_size =     &map_size;
+        boot_map.desc_size =    &map.desc_size;
+        boot_map.desc_ver =     NULL;
+        boot_map.key_ptr =      NULL;
+        boot_map.buff_size =    &buff_size;
+        status = efi_get_memory_map(sys_table_arg, &boot_map);
        if (status != EFI_SUCCESS)
                return membase;
@@ -144,15 +166,22 @@ efi_status_t efi_high_alloc(efi_system_table_t *sys_table_arg,
                            unsigned long size, unsigned long align,
                            unsigned long *addr, unsigned long max)
 {
-        unsigned long map_size, desc_size;
+        unsigned long map_size, desc_size, buff_size;
        efi_memory_desc_t *map;
        efi_status_t status;
        unsigned long nr_pages;
        u64 max_addr = 0;
        int i;
+        struct efi_boot_memmap boot_map;
+        boot_map.map =          &map;
+        boot_map.map_size =     &map_size;
+        boot_map.desc_size =    &desc_size;
+        boot_map.desc_ver =     NULL;
+        boot_map.key_ptr =      NULL;
+        boot_map.buff_size =    &buff_size;
-        status = efi_get_memory_map(sys_table_arg, &map, &map_size, &desc_size,
+        status = efi_get_memory_map(sys_table_arg, &boot_map);
-                                    NULL, NULL);
        if (status != EFI_SUCCESS)
                goto fail;
@@ -230,14 +259,21 @@ efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg,
                           unsigned long size, unsigned long align,
                           unsigned long *addr)
 {
-        unsigned long map_size, desc_size;
+        unsigned long map_size, desc_size, buff_size;
        efi_memory_desc_t *map;
        efi_status_t status;
        unsigned long nr_pages;
        int i;
+        struct efi_boot_memmap boot_map;
-        status = efi_get_memory_map(sys_table_arg, &map, &map_size, &desc_size,
+        boot_map.map =          &map;
-                                    NULL, NULL);
+        boot_map.map_size =     &map_size;
+        boot_map.desc_size =    &desc_size;
+        boot_map.desc_ver =     NULL;
+        boot_map.key_ptr =      NULL;
+        boot_map.buff_size =    &buff_size;
+        status = efi_get_memory_map(sys_table_arg, &boot_map);
        if (status != EFI_SUCCESS)
                goto fail;
@@ -704,3 +740,76 @@ char *efi_convert_cmdline(efi_system_table_t *sys_table_arg,
        *cmd_line_len = options_bytes;
        return (char *)cmdline_addr;
 }
+/*
+ * Handle calling ExitBootServices according to the requirements set out by the
+ * spec.  Obtains the current memory map, and returns that info after calling
+ * ExitBootServices.  The client must specify a function to perform any
+ * processing of the memory map data prior to ExitBootServices.  A client
+ * specific structure may be passed to the function via priv.  The client
+ * function may be called multiple times.
+ */
+efi_status_t efi_exit_boot_services(efi_system_table_t *sys_table_arg,
+                                    void *handle,
+                                    struct efi_boot_memmap *map,
+                                    void *priv,
+                                    efi_exit_boot_map_processing priv_func)
+{
+        efi_status_t status;
+        status = efi_get_memory_map(sys_table_arg, map);
+        if (status != EFI_SUCCESS)
+                goto fail;
+        status = priv_func(sys_table_arg, map, priv);
+        if (status != EFI_SUCCESS)
+                goto free_map;
+        status = efi_call_early(exit_boot_services, handle, *map->key_ptr);
+        if (status == EFI_INVALID_PARAMETER) {
+                /*
+                 * The memory map changed between efi_get_memory_map() and
+                 * exit_boot_services().  Per the UEFI Spec v2.6, Section 6.4:
+                 * EFI_BOOT_SERVICES.ExitBootServices we need to get the
+                 * updated map, and try again.  The spec implies one retry
+                 * should be sufficent, which is confirmed against the EDK2
+                 * implementation.  Per the spec, we can only invoke
+                 * get_memory_map() and exit_boot_services() - we cannot alloc
+                 * so efi_get_memory_map() cannot be used, and we must reuse
+                 * the buffer.  For all practical purposes, the headroom in the
+                 * buffer should account for any changes in the map so the call
+                 * to get_memory_map() is expected to succeed here.
+                 */
+                *map->map_size = *map->buff_size;
+                status = efi_call_early(get_memory_map,
+                                        map->map_size,
+                                        *map->map,
+                                        map->key_ptr,
+                                        map->desc_size,
+                                        map->desc_ver);
+                /* exit_boot_services() was called, thus cannot free */
+                if (status != EFI_SUCCESS)
+                        goto fail;
+                status = priv_func(sys_table_arg, map, priv);
+                /* exit_boot_services() was called, thus cannot free */
+                if (status != EFI_SUCCESS)
+                        goto fail;
+                status = efi_call_early(exit_boot_services, handle, *map->key_ptr);
+        }
+        /* exit_boot_services() was called, thus cannot free */
+        if (status != EFI_SUCCESS)
+                goto fail;
+        return EFI_SUCCESS;
+free_map:
+        efi_call_early(free_pool, *map->map);
+fail:
+        return status;
+}
diff --git a/drivers/firmware/efi/libstub/fdt.c b/drivers/firmware/efi/libstub/fdt.c
index e58abfa953cc..a6a93116a8f0 100644
--- a/drivers/firmware/efi/libstub/fdt.c
+++ b/drivers/firmware/efi/libstub/fdt.c
@@ -152,6 +152,27 @@ fdt_set_fail:
 #define EFI_FDT_ALIGN EFI_PAGE_SIZE
 #endif
+struct exit_boot_struct {
+        efi_memory_desc_t *runtime_map;
+        int *runtime_entry_count;
+};
+static efi_status_t exit_boot_func(efi_system_table_t *sys_table_arg,
+                                   struct efi_boot_memmap *map,
+                                   void *priv)
+{
+        struct exit_boot_struct *p = priv;
+        /*
+         * Update the memory map with virtual addresses. The function will also
+         * populate @runtime_map with copies of just the EFI_MEMORY_RUNTIME
+         * entries so that we can pass it straight to SetVirtualAddressMap()
+         */
+        efi_get_virtmap(*map->map, *map->map_size, *map->desc_size,
+                        p->runtime_map, p->runtime_entry_count);
+        return EFI_SUCCESS;
+}
 /*
 * Allocate memory for a new FDT, then add EFI, commandline, and
 * initrd related fields to the FDT.  This routine increases the
@@ -175,13 +196,22 @@ efi_status_t allocate_new_fdt_and_exit_boot(efi_system_table_t *sys_table,
                                            unsigned long fdt_addr,
                                            unsigned long fdt_size)
 {
-        unsigned long map_size, desc_size;
+        unsigned long map_size, desc_size, buff_size;
        u32 desc_ver;
        unsigned long mmap_key;
        efi_memory_desc_t *memory_map, *runtime_map;
        unsigned long new_fdt_size;
        efi_status_t status;
        int runtime_entry_count = 0;
+        struct efi_boot_memmap map;
+        struct exit_boot_struct priv;
+        map.map =       &runtime_map;
+        map.map_size =  &map_size;
+        map.desc_size = &desc_size;
+        map.desc_ver =  &desc_ver;
+        map.key_ptr =   &mmap_key;
+        map.buff_size = &buff_size;
        /*
         * Get a copy of the current memory map that we will use to prepare
@@ -189,8 +219,7 @@ efi_status_t allocate_new_fdt_and_exit_boot(efi_system_table_t *sys_table,
         * subsequent allocations adding entries, since they could not affect
         * the number of EFI_MEMORY_RUNTIME regions.
         */
-        status = efi_get_memory_map(sys_table, &runtime_map, &map_size,
+        status = efi_get_memory_map(sys_table, &map);
-                                    &desc_size, &desc_ver, &mmap_key);
        if (status != EFI_SUCCESS) {
                pr_efi_err(sys_table, "Unable to retrieve UEFI memory map.\n");
                return status;
@@ -199,6 +228,7 @@ efi_status_t allocate_new_fdt_and_exit_boot(efi_system_table_t *sys_table,
        pr_efi(sys_table,
               "Exiting boot services and installing virtual address map...\n");
+        map.map = &memory_map;
        /*
         * Estimate size of new FDT, and allocate memory for it. We
         * will allocate a bigger buffer if this ends up being too
@@ -218,8 +248,7 @@ efi_status_t allocate_new_fdt_and_exit_boot(efi_system_table_t *sys_table,
                 * we can get the memory map key  needed for
                 * exit_boot_services().
                 */
-                status = efi_get_memory_map(sys_table, &memory_map, &map_size,
+                status = efi_get_memory_map(sys_table, &map);
-                                            &desc_size, &desc_ver, &mmap_key);
                if (status != EFI_SUCCESS)
                        goto fail_free_new_fdt;
@@ -250,16 +279,11 @@ efi_status_t allocate_new_fdt_and_exit_boot(efi_system_table_t *sys_table,
                }
        }
-        /*
+        sys_table->boottime->free_pool(memory_map);
-         * Update the memory map with virtual addresses. The function will also
+        priv.runtime_map = runtime_map;
-         * populate @runtime_map with copies of just the EFI_MEMORY_RUNTIME
+        priv.runtime_entry_count = &runtime_entry_count;
-         * entries so that we can pass it straight into SetVirtualAddressMap()
+        status = efi_exit_boot_services(sys_table, handle, &map, &priv,
-         */
+                                        exit_boot_func);
-        efi_get_virtmap(memory_map, map_size, desc_size, runtime_map,
-                        &runtime_entry_count);
-        /* Now we are ready to exit_boot_services.*/
-        status = sys_table->boottime->exit_boot_services(handle, mmap_key);
        if (status == EFI_SUCCESS) {
                efi_set_virtual_address_map_t *svam;
diff --git a/drivers/firmware/efi/libstub/random.c b/drivers/firmware/efi/libstub/random.c
index 53f6d3fe6d86..0c9f58c5ba50 100644
--- a/drivers/firmware/efi/libstub/random.c
+++ b/drivers/firmware/efi/libstub/random.c
@@ -73,12 +73,20 @@ efi_status_t efi_random_alloc(efi_system_table_t *sys_table_arg,
                              unsigned long random_seed)
 {
        unsigned long map_size, desc_size, total_slots = 0, target_slot;
+        unsigned long buff_size;
        efi_status_t status;
        efi_memory_desc_t *memory_map;
        int map_offset;
+        struct efi_boot_memmap map;
-        status = efi_get_memory_map(sys_table_arg, &memory_map, &map_size,
+        map.map =       &memory_map;
-                                    &desc_size, NULL, NULL);
+        map.map_size =  &map_size;
+        map.desc_size = &desc_size;
+        map.desc_ver =  NULL;
+        map.key_ptr =   NULL;
+        map.buff_size = &buff_size;
+        status = efi_get_memory_map(sys_table_arg, &map);
        if (status != EFI_SUCCESS)
                return status;
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
index a978381ef95b..9b17a66cf0e1 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
@@ -387,7 +387,7 @@ void atmel_hlcdc_crtc_irq(struct drm_crtc *c)
        atmel_hlcdc_crtc_finish_page_flip(drm_crtc_to_atmel_hlcdc_crtc(c));
 }
-void atmel_hlcdc_crtc_reset(struct drm_crtc *crtc)
+static void atmel_hlcdc_crtc_reset(struct drm_crtc *crtc)
 {
        struct atmel_hlcdc_crtc_state *state;
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
index 016c191221f3..52c527f6642a 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
@@ -320,19 +320,19 @@ atmel_hlcdc_plane_update_pos_and_size(struct atmel_hlcdc_plane *plane,
                        u32 *coeff_tab = heo_upscaling_ycoef;
                        u32 max_memsize;
-                        if (state->crtc_w < state->src_w)
+                        if (state->crtc_h < state->src_h)
                                coeff_tab = heo_downscaling_ycoef;
                        for (i = 0; i < ARRAY_SIZE(heo_upscaling_ycoef); i++)
                                atmel_hlcdc_layer_update_cfg(&plane->layer,
                                                             33 + i,
                                                             0xffffffff,
                                                             coeff_tab[i]);
-                        factor = ((8 * 256 * state->src_w) - (256 * 4)) /
+                        factor = ((8 * 256 * state->src_h) - (256 * 4)) /
-                                 state->crtc_w;
+                                 state->crtc_h;
                        factor++;
-                        max_memsize = ((factor * state->crtc_w) + (256 * 4)) /
+                        max_memsize = ((factor * state->crtc_h) + (256 * 4)) /
                                      2048;
-                        if (max_memsize > state->src_w)
+                        if (max_memsize > state->src_h)
                                factor--;
                        factor_reg |= (factor << 16) | 0x80000000;
                }
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 95ddd56b89f0..5de36d8dcc68 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1281,6 +1281,11 @@ int i915_driver_load(struct pci_dev *pdev, const struct pci_device_id *ent)
        intel_runtime_pm_enable(dev_priv);
+        /* Everything is in place, we can now relax! */
+        DRM_INFO("Initialized %s %d.%d.%d %s for %s on minor %d\n",
+                 driver.name, driver.major, driver.minor, driver.patchlevel,
+                 driver.date, pci_name(pdev), dev_priv->drm.primary->index);
        intel_runtime_pm_put(dev_priv);
        return 0;
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 7a30af79d799..f38ceffd82c3 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -122,8 +122,11 @@ int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv,
        has_full_48bit_ppgtt =
                IS_BROADWELL(dev_priv) || INTEL_GEN(dev_priv) >= 9;
-        if (intel_vgpu_active(dev_priv))
+        if (intel_vgpu_active(dev_priv)) {
-                has_full_ppgtt = false; /* emulation is too hard */
+                /* emulation is too hard */
+                has_full_ppgtt = false;
+                has_full_48bit_ppgtt = false;
+        }
        if (!has_aliasing_ppgtt)
                return 0;
@@ -158,7 +161,7 @@ int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv,
                return 0;
        }
-        if (INTEL_GEN(dev_priv) >= 8 && i915.enable_execlists)
+        if (INTEL_GEN(dev_priv) >= 8 && i915.enable_execlists && has_full_ppgtt)
                return has_full_48bit_ppgtt ? 3 : 2;
        else
                return has_aliasing_ppgtt ? 1 : 0;
diff --git a/drivers/gpu/drm/i915/i915_vgpu.c b/drivers/gpu/drm/i915/i915_vgpu.c
index f6acb5a0e701..b81cfb3b22ec 100644
--- a/drivers/gpu/drm/i915/i915_vgpu.c
+++ b/drivers/gpu/drm/i915/i915_vgpu.c
@@ -65,9 +65,6 @@ void i915_check_vgpu(struct drm_i915_private *dev_priv)
        BUILD_BUG_ON(sizeof(struct vgt_if) != VGT_PVINFO_SIZE);
-        if (!IS_HASWELL(dev_priv))
-                return;
        magic = __raw_i915_read64(dev_priv, vgtif_reg(magic));
        if (magic != VGT_MAGIC)
                return;
diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
index 47bdf9dad0d3..b9e5a63a7c9e 100644
--- a/drivers/gpu/drm/i915/intel_dvo.c
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -554,7 +554,6 @@ void intel_dvo_init(struct drm_device *dev)
                return;
        }
-        drm_encoder_cleanup(&intel_encoder->base);
        kfree(intel_dvo);
        kfree(intel_connector);
 }
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
index adca262d591a..7acbbbf97833 100644
--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -1047,6 +1047,23 @@ err_out:
        return err;
 }
+static int intel_use_opregion_panel_type_callback(const struct dmi_system_id *id)
+{
+        DRM_INFO("Using panel type from OpRegion on %s\n", id->ident);
+        return 1;
+}
+static const struct dmi_system_id intel_use_opregion_panel_type[] = {
+        {
+                .callback = intel_use_opregion_panel_type_callback,
+                .ident = "Conrac GmbH IX45GM2",
+                .matches = {DMI_MATCH(DMI_SYS_VENDOR, "Conrac GmbH"),
+                            DMI_MATCH(DMI_PRODUCT_NAME, "IX45GM2"),
+                },
+        },
+        { }
+};
 int
 intel_opregion_get_panel_type(struct drm_i915_private *dev_priv)
 {
@@ -1073,6 +1090,16 @@ intel_opregion_get_panel_type(struct drm_i915_private *dev_priv)
        }
        /*
+         * So far we know that some machined must use it, others must not use it.
+         * There doesn't seem to be any way to determine which way to go, except
+         * via a quirk list :(
+         */
+        if (!dmi_check_system(intel_use_opregion_panel_type)) {
+                DRM_DEBUG_KMS("Ignoring OpRegion panel type (%d)\n", ret - 1);
+                return -ENODEV;
+        }
+        /*
         * FIXME On Dell XPS 13 9350 the OpRegion panel type (0) gives us
         * low vswing for eDP, whereas the VBT panel type (2) gives us normal
         * vswing instead. Low vswing results in some display flickers, so
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 53e13c10e4ea..2d2481392824 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -7859,6 +7859,7 @@ static inline int gen6_check_mailbox_status(struct drm_i915_private *dev_priv)
        case GEN6_PCODE_ILLEGAL_CMD:
                return -ENXIO;
        case GEN6_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE:
+        case GEN7_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE:
                return -EOVERFLOW;
        case GEN6_PCODE_TIMEOUT:
                return -ETIMEDOUT;
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index 2b0d1baf15b3..cf171b4b8c67 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -255,14 +255,14 @@ static void hsw_psr_enable_source(struct intel_dp *intel_dp)
        struct drm_i915_private *dev_priv = to_i915(dev);
        uint32_t max_sleep_time = 0x1f;
-        /* Lately it was identified that depending on panel idle frame count
+        /*
-         * calculated at HW can be off by 1. So let's use what came
+         * Let's respect VBT in case VBT asks a higher idle_frame value.
-         * from VBT + 1.
+         * Let's use 6 as the minimum to cover all known cases including
-         * There are also other cases where panel demands at least 4
+         * the off-by-one issue that HW has in some cases. Also there are
-         * but VBT is not being set. To cover these 2 cases lets use
+         * cases where sink should be able to train
-         * at least 5 when VBT isn't set to be on the safest side.
+         * with the 5 or 6 idle patterns.
         */
-        uint32_t idle_frames = dev_priv->vbt.psr.idle_frames + 1;
+        uint32_t idle_frames = max(6, dev_priv->vbt.psr.idle_frames);
        uint32_t val = EDP_PSR_ENABLE;
        val |= max_sleep_time << EDP_PSR_MAX_SLEEP_TIME_SHIFT;
diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c
index 59adcf8532dd..3f6704cf6608 100644
--- a/drivers/gpu/drm/vc4/vc4_bo.c
+++ b/drivers/gpu/drm/vc4/vc4_bo.c
@@ -144,7 +144,7 @@ static struct list_head *vc4_get_cache_list_for_size(struct drm_device *dev,
        return &vc4->bo_cache.size_list[page_index];
 }
-void vc4_bo_cache_purge(struct drm_device *dev)
+static void vc4_bo_cache_purge(struct drm_device *dev)
 {
        struct vc4_dev *vc4 = to_vc4_dev(dev);
diff --git a/drivers/gpu/drm/vc4/vc4_validate_shaders.c b/drivers/gpu/drm/vc4/vc4_validate_shaders.c
index 46527e989ce3..2543cf5b8b51 100644
--- a/drivers/gpu/drm/vc4/vc4_validate_shaders.c
+++ b/drivers/gpu/drm/vc4/vc4_validate_shaders.c
@@ -309,8 +309,14 @@ validate_uniform_address_write(struct vc4_validated_shader_info *validated_shade
         * of uniforms on each side.  However, this scheme is easy to
         * validate so it's all we allow for now.
         */
+        switch (QPU_GET_FIELD(inst, QPU_SIG)) {
-        if (QPU_GET_FIELD(inst, QPU_SIG) != QPU_SIG_NONE) {
+        case QPU_SIG_NONE:
+        case QPU_SIG_SCOREBOARD_UNLOCK:
+        case QPU_SIG_COLOR_LOAD:
+        case QPU_SIG_LOAD_TMU0:
+        case QPU_SIG_LOAD_TMU1:
+                break;
+        default:
                DRM_ERROR("uniforms address change must be "
                          "normal math\n");
                return false;
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index b6a953aed7e8..80f988984f44 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -333,6 +333,8 @@ static void remove_ep_tid(struct c4iw_ep *ep)
        spin_lock_irqsave(&ep->com.dev->lock, flags);
        _remove_handle(ep->com.dev, &ep->com.dev->hwtid_idr, ep->hwtid, 0);
+        if (idr_is_empty(&ep->com.dev->hwtid_idr))
+                wake_up(&ep->com.dev->wait);
        spin_unlock_irqrestore(&ep->com.dev->lock, flags);
 }
@@ -2117,8 +2119,10 @@ static int import_ep(struct c4iw_ep *ep, int iptype, __u8 *peer_ip,
                }
                ep->l2t = cxgb4_l2t_get(cdev->rdev.lldi.l2t,
                                        n, pdev, rt_tos2priority(tos));
-                if (!ep->l2t)
+                if (!ep->l2t) {
+                        dev_put(pdev);
                        goto out;
+                }
                ep->mtu = pdev->mtu;
                ep->tx_chan = cxgb4_port_chan(pdev);
                ep->smac_idx = cxgb4_tp_smt_idx(adapter_type,
diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c
index 071d7332ec06..3c4b2126e0d1 100644
--- a/drivers/infiniband/hw/cxgb4/device.c
+++ b/drivers/infiniband/hw/cxgb4/device.c
@@ -872,9 +872,13 @@ static void c4iw_rdev_close(struct c4iw_rdev *rdev)
 static void c4iw_dealloc(struct uld_ctx *ctx)
 {
        c4iw_rdev_close(&ctx->dev->rdev);
+        WARN_ON_ONCE(!idr_is_empty(&ctx->dev->cqidr));
        idr_destroy(&ctx->dev->cqidr);
+        WARN_ON_ONCE(!idr_is_empty(&ctx->dev->qpidr));
        idr_destroy(&ctx->dev->qpidr);
+        WARN_ON_ONCE(!idr_is_empty(&ctx->dev->mmidr));
        idr_destroy(&ctx->dev->mmidr);
+        wait_event(ctx->dev->wait, idr_is_empty(&ctx->dev->hwtid_idr));
        idr_destroy(&ctx->dev->hwtid_idr);
        idr_destroy(&ctx->dev->stid_idr);
        idr_destroy(&ctx->dev->atid_idr);
@@ -992,6 +996,7 @@ static struct c4iw_dev *c4iw_alloc(const struct cxgb4_lld_info *infop)
        mutex_init(&devp->rdev.stats.lock);
        mutex_init(&devp->db_mutex);
        INIT_LIST_HEAD(&devp->db_fc_list);
+        init_waitqueue_head(&devp->wait);
        devp->avail_ird = devp->rdev.lldi.max_ird_adapter;
        if (c4iw_debugfs_root) {
diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
index aa47e0ae80bc..4b83b84f7ddf 100644
--- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
+++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
@@ -263,6 +263,7 @@ struct c4iw_dev {
        struct idr stid_idr;
        struct list_head db_fc_list;
        u32 avail_ird;
+        wait_queue_head_t wait;
 };
 static inline struct c4iw_dev *to_c4iw_dev(struct ib_device *ibdev)
diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index 9c2e53d28f98..0f21c3a25552 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -1128,6 +1128,27 @@ void handle_port_mgmt_change_event(struct work_struct *work)
                /* Generate GUID changed event */
                if (changed_attr & MLX4_EQ_PORT_INFO_GID_PFX_CHANGE_MASK) {
+                        if (mlx4_is_master(dev->dev)) {
+                                union ib_gid gid;
+                                int err = 0;
+                                if (!eqe->event.port_mgmt_change.params.port_info.gid_prefix)
+                                        err = __mlx4_ib_query_gid(&dev->ib_dev, port, 0, &gid, 1);
+                                else
+                                        gid.global.subnet_prefix =
+                                                eqe->event.port_mgmt_change.params.port_info.gid_prefix;
+                                if (err) {
+                                        pr_warn("Could not change QP1 subnet prefix for port %d: query_gid error (%d)\n",
+                                                port, err);
+                                } else {
+                                        pr_debug("Changing QP1 subnet prefix for port %d. old=0x%llx. new=0x%llx\n",
+                                                 port,
+                                                 (u64)atomic64_read(&dev->sriov.demux[port - 1].subnet_prefix),
+                                                 be64_to_cpu(gid.global.subnet_prefix));
+                                        atomic64_set(&dev->sriov.demux[port - 1].subnet_prefix,
+                                                     be64_to_cpu(gid.global.subnet_prefix));
+                                }
+                        }
                        mlx4_ib_dispatch_event(dev, port, IB_EVENT_GID_CHANGE);
                        /*if master, notify all slaves*/
                        if (mlx4_is_master(dev->dev))
@@ -2202,6 +2223,8 @@ int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev)
                if (err)
                        goto demux_err;
                dev->sriov.demux[i].guid_cache[0] = gid.global.interface_id;
+                atomic64_set(&dev->sriov.demux[i].subnet_prefix,
+                             be64_to_cpu(gid.global.subnet_prefix));
                err = alloc_pv_object(dev, mlx4_master_func_num(dev->dev), i + 1,
                                      &dev->sriov.sqps[i]);
                if (err)
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 2af44c2de262..87ba9bca4181 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -2202,6 +2202,9 @@ static int mlx4_ib_alloc_diag_counters(struct mlx4_ib_dev *ibdev)
        bool per_port = !!(ibdev->dev->caps.flags2 &
                MLX4_DEV_CAP_FLAG2_DIAG_PER_PORT);
+        if (mlx4_is_slave(ibdev->dev))
+                return 0;
        for (i = 0; i < MLX4_DIAG_COUNTERS_TYPES; i++) {
                /* i == 1 means we are building port counters */
                if (i && !per_port)
diff --git a/drivers/infiniband/hw/mlx4/mcg.c b/drivers/infiniband/hw/mlx4/mcg.c
index 8f7ad07915b0..097bfcc4ee99 100644
--- a/drivers/infiniband/hw/mlx4/mcg.c
+++ b/drivers/infiniband/hw/mlx4/mcg.c
@@ -489,7 +489,7 @@ static u8 get_leave_state(struct mcast_group *group)
                if (!group->members[i])
                        leave_state |= (1 << i);
-        return leave_state & (group->rec.scope_join_state & 7);
+        return leave_state & (group->rec.scope_join_state & 0xf);
 }
 static int join_group(struct mcast_group *group, int slave, u8 join_mask)
@@ -564,8 +564,8 @@ static void mlx4_ib_mcg_timeout_handler(struct work_struct *work)
                } else
                        mcg_warn_group(group, "DRIVER BUG\n");
        } else if (group->state == MCAST_LEAVE_SENT) {
-                if (group->rec.scope_join_state & 7)
+                if (group->rec.scope_join_state & 0xf)
-                        group->rec.scope_join_state &= 0xf8;
+                        group->rec.scope_join_state &= 0xf0;
                group->state = MCAST_IDLE;
                mutex_unlock(&group->lock);
                if (release_group(group, 1))
@@ -605,7 +605,7 @@ static int handle_leave_req(struct mcast_group *group, u8 leave_mask,
 static int handle_join_req(struct mcast_group *group, u8 join_mask,
                           struct mcast_req *req)
 {
-        u8 group_join_state = group->rec.scope_join_state & 7;
+        u8 group_join_state = group->rec.scope_join_state & 0xf;
        int ref = 0;
        u16 status;
        struct ib_sa_mcmember_data *sa_data = (struct ib_sa_mcmember_data *)req->sa_mad.data;
@@ -690,8 +690,8 @@ static void mlx4_ib_mcg_work_handler(struct work_struct *work)
                        u8 cur_join_state;
                        resp_join_state = ((struct ib_sa_mcmember_data *)
-                                                group->response_sa_mad.data)->scope_join_state & 7;
+                                                group->response_sa_mad.data)->scope_join_state & 0xf;
-                        cur_join_state = group->rec.scope_join_state & 7;
+                        cur_join_state = group->rec.scope_join_state & 0xf;
                        if (method == IB_MGMT_METHOD_GET_RESP) {
                                /* successfull join */
@@ -710,7 +710,7 @@ process_requests:
                req = list_first_entry(&group->pending_list, struct mcast_req,
                                       group_list);
                sa_data = (struct ib_sa_mcmember_data *)req->sa_mad.data;
-                req_join_state = sa_data->scope_join_state & 0x7;
+                req_join_state = sa_data->scope_join_state & 0xf;
                /* For a leave request, we will immediately answer the VF, and
                 * update our internal counters. The actual leave will be sent
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h
index 7c5832ede4bd..686ab48ff644 100644
--- a/drivers/infiniband/hw/mlx4/mlx4_ib.h
+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h
@@ -448,7 +448,7 @@ struct mlx4_ib_demux_ctx {
        struct workqueue_struct *wq;
        struct workqueue_struct *ud_wq;
        spinlock_t ud_lock;
-        __be64 subnet_prefix;
+        atomic64_t subnet_prefix;
        __be64 guid_cache[128];
        struct mlx4_ib_dev *dev;
        /* the following lock protects both mcg_table and mcg_mgid0_list */
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 768085f59566..7fb9629bd12b 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -2493,24 +2493,27 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_ud_wr *wr,
                sqp->ud_header.grh.flow_label    =
                        ah->av.ib.sl_tclass_flowlabel & cpu_to_be32(0xfffff);
                sqp->ud_header.grh.hop_limit     = ah->av.ib.hop_limit;
-                if (is_eth)
+                if (is_eth) {
                        memcpy(sqp->ud_header.grh.source_gid.raw, sgid.raw, 16);
-                else {
+                } else {
-                if (mlx4_is_mfunc(to_mdev(ib_dev)->dev)) {
+                        if (mlx4_is_mfunc(to_mdev(ib_dev)->dev)) {
-                        /* When multi-function is enabled, the ib_core gid
+                                /* When multi-function is enabled, the ib_core gid
-                         * indexes don't necessarily match the hw ones, so
+                                 * indexes don't necessarily match the hw ones, so
-                         * we must use our own cache */
+                                 * we must use our own cache
-                        sqp->ud_header.grh.source_gid.global.subnet_prefix =
+                                 */
-                                to_mdev(ib_dev)->sriov.demux[sqp->qp.port - 1].
+                                sqp->ud_header.grh.source_gid.global.subnet_prefix =
-                                                       subnet_prefix;
+                                        cpu_to_be64(atomic64_read(&(to_mdev(ib_dev)->sriov.
-                        sqp->ud_header.grh.source_gid.global.interface_id =
+                                                                    demux[sqp->qp.port - 1].
-                                to_mdev(ib_dev)->sriov.demux[sqp->qp.port - 1].
+                                                                    subnet_prefix)));
-                                               guid_cache[ah->av.ib.gid_index];
+                                sqp->ud_header.grh.source_gid.global.interface_id =
-                } else
+                                        to_mdev(ib_dev)->sriov.demux[sqp->qp.port - 1].
-                        ib_get_cached_gid(ib_dev,
+                                                       guid_cache[ah->av.ib.gid_index];
-                                          be32_to_cpu(ah->av.ib.port_pd) >> 24,
+                        } else {
-                                          ah->av.ib.gid_index,
+                                ib_get_cached_gid(ib_dev,
-                                          &sqp->ud_header.grh.source_gid, NULL);
+                                                  be32_to_cpu(ah->av.ib.port_pd) >> 24,
+                                                  ah->av.ib.gid_index,
+                                                  &sqp->ud_header.grh.source_gid, NULL);
+                        }
                }
                memcpy(sqp->ud_header.grh.destination_gid.raw,
                       ah->av.ib.dgid, 16);
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 8150ea372c53..e19537cf44ab 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -288,7 +288,9 @@ __be16 mlx5_get_roce_udp_sport(struct mlx5_ib_dev *dev, u8 port_num,
 static int mlx5_use_mad_ifc(struct mlx5_ib_dev *dev)
 {
-        return !MLX5_CAP_GEN(dev->mdev, ib_virt);
+        if (MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_IB)
+                return !MLX5_CAP_GEN(dev->mdev, ib_virt);
+        return 0;
 }
 enum {
@@ -1428,6 +1430,13 @@ static int parse_flow_attr(u32 *match_c, u32 *match_v,
                                             dmac_47_16),
                                ib_spec->eth.val.dst_mac);
+                ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c,
+                                             smac_47_16),
+                                ib_spec->eth.mask.src_mac);
+                ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v,
+                                             smac_47_16),
+                                ib_spec->eth.val.src_mac);
                if (ib_spec->eth.mask.vlan_tag) {
                        MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c,
                                 vlan_tag, 1);
diff --git a/drivers/infiniband/sw/rdmavt/mr.c b/drivers/infiniband/sw/rdmavt/mr.c
index 80c4b6b401b8..46b64970058e 100644
--- a/drivers/infiniband/sw/rdmavt/mr.c
+++ b/drivers/infiniband/sw/rdmavt/mr.c
@@ -294,7 +294,7 @@ static void __rvt_free_mr(struct rvt_mr *mr)
 {
        rvt_deinit_mregion(&mr->mr);
        rvt_free_lkey(&mr->mr);
-        vfree(mr);
+        kfree(mr);
 }
 /**
diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c
index 55f0e8f0ca79..ddd59270ff6d 100644
--- a/drivers/infiniband/sw/rxe/rxe.c
+++ b/drivers/infiniband/sw/rxe/rxe.c
@@ -362,15 +362,34 @@ static int __init rxe_module_init(void)
                return err;
        }
-        err = rxe_net_init();
+        err = rxe_net_ipv4_init();
        if (err) {
-                pr_err("rxe: unable to init\n");
+                pr_err("rxe: unable to init ipv4 tunnel\n");
                rxe_cache_exit();
-                return err;
+                goto exit;
+        }
+        err = rxe_net_ipv6_init();
+        if (err) {
+                pr_err("rxe: unable to init ipv6 tunnel\n");
+                rxe_cache_exit();
+                goto exit;
        }
+        err = register_netdevice_notifier(&rxe_net_notifier);
+        if (err) {
+                pr_err("rxe: Failed to rigister netdev notifier\n");
+                goto exit;
+        }
        pr_info("rxe: loaded\n");
        return 0;
+exit:
+        rxe_release_udp_tunnel(recv_sockets.sk4);
+        rxe_release_udp_tunnel(recv_sockets.sk6);
+        return err;
 }
 static void __exit rxe_module_exit(void)
diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c
index 36f67de44095..1c59ef2c67aa 100644
--- a/drivers/infiniband/sw/rxe/rxe_comp.c
+++ b/drivers/infiniband/sw/rxe/rxe_comp.c
@@ -689,7 +689,14 @@ int rxe_completer(void *arg)
                                        qp->req.need_retry = 1;
                                        rxe_run_task(&qp->req.task, 1);
                                }
+                                if (pkt) {
+                                        rxe_drop_ref(pkt->qp);
+                                        kfree_skb(skb);
+                                }
                                goto exit;
                        } else {
                                wqe->status = IB_WC_RETRY_EXC_ERR;
                                state = COMPST_ERROR;
@@ -716,6 +723,12 @@ int rxe_completer(void *arg)
                case COMPST_ERROR:
                        do_complete(qp, wqe);
                        rxe_qp_error(qp);
+                        if (pkt) {
+                                rxe_drop_ref(pkt->qp);
+                                kfree_skb(skb);
+                        }
                        goto exit;
                }
        }
diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c
index 0b8d2ea8b41d..eedf2f1cafdf 100644
--- a/drivers/infiniband/sw/rxe/rxe_net.c
+++ b/drivers/infiniband/sw/rxe/rxe_net.c
@@ -275,9 +275,10 @@ static struct socket *rxe_setup_udp_tunnel(struct net *net, __be16 port,
        return sock;
 }
-static void rxe_release_udp_tunnel(struct socket *sk)
+void rxe_release_udp_tunnel(struct socket *sk)
 {
-        udp_tunnel_sock_release(sk);
+        if (sk)
+                udp_tunnel_sock_release(sk);
 }
 static void prepare_udp_hdr(struct sk_buff *skb, __be16 src_port,
@@ -658,51 +659,45 @@ out:
        return NOTIFY_OK;
 }
-static struct notifier_block rxe_net_notifier = {
+struct notifier_block rxe_net_notifier = {
        .notifier_call = rxe_notify,
 };
-int rxe_net_init(void)
+int rxe_net_ipv4_init(void)
 {
-        int err;
        spin_lock_init(&dev_list_lock);
-        recv_sockets.sk6 = rxe_setup_udp_tunnel(&init_net,
-                        htons(ROCE_V2_UDP_DPORT), true);
-        if (IS_ERR(recv_sockets.sk6)) {
-                recv_sockets.sk6 = NULL;
-                pr_err("rxe: Failed to create IPv6 UDP tunnel\n");
-                return -1;
-        }
        recv_sockets.sk4 = rxe_setup_udp_tunnel(&init_net,
-                        htons(ROCE_V2_UDP_DPORT), false);
+                                htons(ROCE_V2_UDP_DPORT), false);
        if (IS_ERR(recv_sockets.sk4)) {
-                rxe_release_udp_tunnel(recv_sockets.sk6);
                recv_sockets.sk4 = NULL;
-                recv_sockets.sk6 = NULL;
                pr_err("rxe: Failed to create IPv4 UDP tunnel\n");
                return -1;
        }
-        err = register_netdevice_notifier(&rxe_net_notifier);
+        return 0;
-        if (err) {
-                rxe_release_udp_tunnel(recv_sockets.sk6);
-                rxe_release_udp_tunnel(recv_sockets.sk4);
-                pr_err("rxe: Failed to rigister netdev notifier\n");
-        }
-        return err;
 }
-void rxe_net_exit(void)
+int rxe_net_ipv6_init(void)
 {
-        if (recv_sockets.sk6)
+#if IS_ENABLED(CONFIG_IPV6)
-                rxe_release_udp_tunnel(recv_sockets.sk6);
-        if (recv_sockets.sk4)
+        spin_lock_init(&dev_list_lock);
-                rxe_release_udp_tunnel(recv_sockets.sk4);
+        recv_sockets.sk6 = rxe_setup_udp_tunnel(&init_net,
+                                                htons(ROCE_V2_UDP_DPORT), true);
+        if (IS_ERR(recv_sockets.sk6)) {
+                recv_sockets.sk6 = NULL;
+                pr_err("rxe: Failed to create IPv6 UDP tunnel\n");
+                return -1;
+        }
+#endif
+        return 0;
+}
+void rxe_net_exit(void)
+{
+        rxe_release_udp_tunnel(recv_sockets.sk6);
+        rxe_release_udp_tunnel(recv_sockets.sk4);
        unregister_netdevice_notifier(&rxe_net_notifier);
 }
diff --git a/drivers/infiniband/sw/rxe/rxe_net.h b/drivers/infiniband/sw/rxe/rxe_net.h
index 7b06f76d16cc..0daf7f09e5b5 100644
--- a/drivers/infiniband/sw/rxe/rxe_net.h
+++ b/drivers/infiniband/sw/rxe/rxe_net.h
@@ -44,10 +44,13 @@ struct rxe_recv_sockets {
 };
 extern struct rxe_recv_sockets recv_sockets;
+extern struct notifier_block rxe_net_notifier;
+void rxe_release_udp_tunnel(struct socket *sk);
 struct rxe_dev *rxe_net_add(struct net_device *ndev);
-int rxe_net_init(void);
+int rxe_net_ipv4_init(void);
+int rxe_net_ipv6_init(void);
 void rxe_net_exit(void);
 #endif /* RXE_NET_H */
diff --git a/drivers/infiniband/sw/rxe/rxe_recv.c b/drivers/infiniband/sw/rxe/rxe_recv.c
index 3d464c23e08b..144d2f129fcd 100644
--- a/drivers/infiniband/sw/rxe/rxe_recv.c
+++ b/drivers/infiniband/sw/rxe/rxe_recv.c
@@ -312,7 +312,7 @@ static void rxe_rcv_mcast_pkt(struct rxe_dev *rxe, struct sk_buff *skb)
                 * make a copy of the skb to post to the next qp
                 */
                skb_copy = (mce->qp_list.next != &mcg->qp_list) ?
-                                skb_clone(skb, GFP_KERNEL) : NULL;
+                                skb_clone(skb, GFP_ATOMIC) : NULL;
                pkt->qp = qp;
                rxe_add_ref(qp);
diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c
index 33b2d9d77021..13a848a518e8 100644
--- a/drivers/infiniband/sw/rxe/rxe_req.c
+++ b/drivers/infiniband/sw/rxe/rxe_req.c
@@ -511,24 +511,21 @@ static int fill_packet(struct rxe_qp *qp, struct rxe_send_wqe *wqe,
 }
 static void update_wqe_state(struct rxe_qp *qp,
-                             struct rxe_send_wqe *wqe,
+                struct rxe_send_wqe *wqe,
-                             struct rxe_pkt_info *pkt,
+                struct rxe_pkt_info *pkt)
-                             enum wqe_state *prev_state)
 {
-        enum wqe_state prev_state_ = wqe->state;
        if (pkt->mask & RXE_END_MASK) {
                if (qp_type(qp) == IB_QPT_RC)
                        wqe->state = wqe_state_pending;
        } else {
                wqe->state = wqe_state_processing;
        }
-        *prev_state = prev_state_;
 }
-static void update_state(struct rxe_qp *qp, struct rxe_send_wqe *wqe,
+static void update_wqe_psn(struct rxe_qp *qp,
-                         struct rxe_pkt_info *pkt, int payload)
+                           struct rxe_send_wqe *wqe,
+                           struct rxe_pkt_info *pkt,
+                           int payload)
 {
        /* number of packets left to send including current one */
        int num_pkt = (wqe->dma.resid + payload + qp->mtu - 1) / qp->mtu;
@@ -546,9 +543,34 @@ static void update_state(struct rxe_qp *qp, struct rxe_send_wqe *wqe,
                qp->req.psn = (wqe->first_psn + num_pkt) & BTH_PSN_MASK;
        else
                qp->req.psn = (qp->req.psn + 1) & BTH_PSN_MASK;
+}
-        qp->req.opcode = pkt->opcode;
+static void save_state(struct rxe_send_wqe *wqe,
+                       struct rxe_qp *qp,
+                       struct rxe_send_wqe *rollback_wqe,
+                       struct rxe_qp *rollback_qp)
+{
+        rollback_wqe->state     = wqe->state;
+        rollback_wqe->first_psn = wqe->first_psn;
+        rollback_wqe->last_psn  = wqe->last_psn;
+        rollback_qp->req.psn    = qp->req.psn;
+}
+static void rollback_state(struct rxe_send_wqe *wqe,
+                           struct rxe_qp *qp,
+                           struct rxe_send_wqe *rollback_wqe,
+                           struct rxe_qp *rollback_qp)
+{
+        wqe->state     = rollback_wqe->state;
+        wqe->first_psn = rollback_wqe->first_psn;
+        wqe->last_psn  = rollback_wqe->last_psn;
+        qp->req.psn    = rollback_qp->req.psn;
+}
+static void update_state(struct rxe_qp *qp, struct rxe_send_wqe *wqe,
+                         struct rxe_pkt_info *pkt, int payload)
+{
+        qp->req.opcode = pkt->opcode;
        if (pkt->mask & RXE_END_MASK)
                qp->req.wqe_index = next_index(qp->sq.queue, qp->req.wqe_index);
@@ -571,7 +593,8 @@ int rxe_requester(void *arg)
        int mtu;
        int opcode;
        int ret;
-        enum wqe_state prev_state;
+        struct rxe_qp rollback_qp;
+        struct rxe_send_wqe rollback_wqe;
 next_wqe:
        if (unlikely(!qp->valid || qp->req.state == QP_STATE_ERROR))
@@ -688,13 +711,21 @@ next_wqe:
                goto err;
        }
-        update_wqe_state(qp, wqe, &pkt, &prev_state);
+        /*
+         * To prevent a race on wqe access between requester and completer,
+         * wqe members state and psn need to be set before calling
+         * rxe_xmit_packet().
+         * Otherwise, completer might initiate an unjustified retry flow.
+         */
+        save_state(wqe, qp, &rollback_wqe, &rollback_qp);
+        update_wqe_state(qp, wqe, &pkt);
+        update_wqe_psn(qp, wqe, &pkt, payload);
        ret = rxe_xmit_packet(to_rdev(qp->ibqp.device), qp, &pkt, skb);
        if (ret) {
                qp->need_req_skb = 1;
                kfree_skb(skb);
-                wqe->state = prev_state;
+                rollback_state(wqe, qp, &rollback_wqe, &rollback_qp);
                if (ret == -EAGAIN) {
                        rxe_run_task(&qp->req.task, 1);
diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index ebb03b46e2ad..3e0f0f2baace 100644
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -972,11 +972,13 @@ static int send_atomic_ack(struct rxe_qp *qp, struct rxe_pkt_info *pkt,
        free_rd_atomic_resource(qp, res);
        rxe_advance_resp_resource(qp);
+        memcpy(SKB_TO_PKT(skb), &ack_pkt, sizeof(skb->cb));
        res->type = RXE_ATOMIC_MASK;
        res->atomic.skb = skb;
-        res->first_psn = qp->resp.psn;
+        res->first_psn = ack_pkt.psn;
-        res->last_psn = qp->resp.psn;
+        res->last_psn  = ack_pkt.psn;
-        res->cur_psn = qp->resp.psn;
+        res->cur_psn   = ack_pkt.psn;
        rc = rxe_xmit_packet(rxe, qp, &ack_pkt, skb_copy);
        if (rc) {
@@ -1116,8 +1118,7 @@ static enum resp_states duplicate_request(struct rxe_qp *qp,
                                rc = RESPST_CLEANUP;
                                goto out;
                        }
-                        bth_set_psn(SKB_TO_PKT(skb_copy),
-                                    qp->resp.psn - 1);
                        /* Resend the result. */
                        rc = rxe_xmit_packet(to_rdev(qp->ibqp.device), qp,
                                             pkt, skb_copy);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index dc6d241b9406..be11d5d5b8c1 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -1161,8 +1161,17 @@ static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv,
        }
        if (level == IPOIB_FLUSH_LIGHT) {
+                int oper_up;
                ipoib_mark_paths_invalid(dev);
+                /* Set IPoIB operation as down to prevent races between:
+                 * the flush flow which leaves MCG and on the fly joins
+                 * which can happen during that time. mcast restart task
+                 * should deal with join requests we missed.
+                 */
+                oper_up = test_and_clear_bit(IPOIB_FLAG_OPER_UP, &priv->flags);
                ipoib_mcast_dev_flush(dev);
+                if (oper_up)
+                        set_bit(IPOIB_FLAG_OPER_UP, &priv->flags);
                ipoib_flush_ah(dev);
        }
diff --git a/drivers/irqchip/irq-atmel-aic.c b/drivers/irqchip/irq-atmel-aic.c
index 112e17c2768b..37f952dd9fc9 100644
--- a/drivers/irqchip/irq-atmel-aic.c
+++ b/drivers/irqchip/irq-atmel-aic.c
@@ -176,6 +176,7 @@ static int aic_irq_domain_xlate(struct irq_domain *d,
 {
        struct irq_domain_chip_generic *dgc = d->gc;
        struct irq_chip_generic *gc;
+        unsigned long flags;
        unsigned smr;
        int idx;
        int ret;
@@ -194,11 +195,11 @@ static int aic_irq_domain_xlate(struct irq_domain *d,
        gc = dgc->gc[idx];
-        irq_gc_lock(gc);
+        irq_gc_lock_irqsave(gc, flags);
        smr = irq_reg_readl(gc, AT91_AIC_SMR(*out_hwirq));
        aic_common_set_priority(intspec[2], &smr);
        irq_reg_writel(gc, smr, AT91_AIC_SMR(*out_hwirq));
-        irq_gc_unlock(gc);
+        irq_gc_unlock_irqrestore(gc, flags);
        return ret;
 }
diff --git a/drivers/irqchip/irq-atmel-aic5.c b/drivers/irqchip/irq-atmel-aic5.c
index 4f0d068e1abe..2a624d87a035 100644
--- a/drivers/irqchip/irq-atmel-aic5.c
+++ b/drivers/irqchip/irq-atmel-aic5.c
@@ -258,6 +258,7 @@ static int aic5_irq_domain_xlate(struct irq_domain *d,
                                 unsigned int *out_type)
 {
        struct irq_chip_generic *bgc = irq_get_domain_generic_chip(d, 0);
+        unsigned long flags;
        unsigned smr;
        int ret;
@@ -269,12 +270,12 @@ static int aic5_irq_domain_xlate(struct irq_domain *d,
        if (ret)
                return ret;
-        irq_gc_lock(bgc);
+        irq_gc_lock_irqsave(bgc, flags);
        irq_reg_writel(bgc, *out_hwirq, AT91_AIC5_SSR);
        smr = irq_reg_readl(bgc, AT91_AIC5_SMR);
        aic_common_set_priority(intspec[2], &smr);
        irq_reg_writel(bgc, smr, AT91_AIC5_SMR);
-        irq_gc_unlock(bgc);
+        irq_gc_unlock_irqrestore(bgc, flags);
        return ret;
 }
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index 850f9c422f24..9b81bd8b929c 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -556,7 +556,7 @@ static int gic_starting_cpu(unsigned int cpu)
 static u16 gic_compute_target_list(int *base_cpu, const struct cpumask *mask,
                                   unsigned long cluster_id)
 {
-        int cpu = *base_cpu;
+        int next_cpu, cpu = *base_cpu;
        unsigned long mpidr = cpu_logical_map(cpu);
        u16 tlist = 0;
@@ -570,9 +570,10 @@ static u16 gic_compute_target_list(int *base_cpu, const struct cpumask *mask,
                tlist |= 1 << (mpidr & 0xf);
-                cpu = cpumask_next(cpu, mask);
+                next_cpu = cpumask_next(cpu, mask);
-                if (cpu >= nr_cpu_ids)
+                if (next_cpu >= nr_cpu_ids)
                        goto out;
+                cpu = next_cpu;
                mpidr = cpu_logical_map(cpu);
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index 83f498393a7f..6185696405d5 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -638,27 +638,6 @@ static int gic_local_irq_domain_map(struct irq_domain *d, unsigned int virq,
        if (!gic_local_irq_is_routable(intr))
                return -EPERM;
-        /*
-         * HACK: These are all really percpu interrupts, but the rest
-         * of the MIPS kernel code does not use the percpu IRQ API for
-         * the CP0 timer and performance counter interrupts.
-         */
-        switch (intr) {
-        case GIC_LOCAL_INT_TIMER:
-        case GIC_LOCAL_INT_PERFCTR:
-        case GIC_LOCAL_INT_FDC:
-                irq_set_chip_and_handler(virq,
-                                         &gic_all_vpes_local_irq_controller,
-                                         handle_percpu_irq);
-                break;
-        default:
-                irq_set_chip_and_handler(virq,
-                                         &gic_local_irq_controller,
-                                         handle_percpu_devid_irq);
-                irq_set_percpu_devid(virq);
-                break;
-        }
        spin_lock_irqsave(&gic_lock, flags);
        for (i = 0; i < gic_vpes; i++) {
                u32 val = GIC_MAP_TO_PIN_MSK | gic_cpu_pin;
@@ -724,16 +703,42 @@ static int gic_shared_irq_domain_map(struct irq_domain *d, unsigned int virq,
        return 0;
 }
-static int gic_irq_domain_map(struct irq_domain *d, unsigned int virq,
+static int gic_setup_dev_chip(struct irq_domain *d, unsigned int virq,
-                              irq_hw_number_t hw)
+                              unsigned int hwirq)
 {
-        if (GIC_HWIRQ_TO_LOCAL(hw) < GIC_NUM_LOCAL_INTRS)
+        struct irq_chip *chip;
-                return gic_local_irq_domain_map(d, virq, hw);
+        int err;
+        if (hwirq >= GIC_SHARED_HWIRQ_BASE) {
+                err = irq_domain_set_hwirq_and_chip(d, virq, hwirq,
+                                                    &gic_level_irq_controller,
+                                                    NULL);
+        } else {
+                switch (GIC_HWIRQ_TO_LOCAL(hwirq)) {
+                case GIC_LOCAL_INT_TIMER:
+                case GIC_LOCAL_INT_PERFCTR:
+                case GIC_LOCAL_INT_FDC:
+                        /*
+                         * HACK: These are all really percpu interrupts, but
+                         * the rest of the MIPS kernel code does not use the
+                         * percpu IRQ API for them.
+                         */
+                        chip = &gic_all_vpes_local_irq_controller;
+                        irq_set_handler(virq, handle_percpu_irq);
+                        break;
+                default:
+                        chip = &gic_local_irq_controller;
+                        irq_set_handler(virq, handle_percpu_devid_irq);
+                        irq_set_percpu_devid(virq);
+                        break;
+                }
-        irq_set_chip_and_handler(virq, &gic_level_irq_controller,
+                err = irq_domain_set_hwirq_and_chip(d, virq, hwirq,
-                                 handle_level_irq);
+                                                    chip, NULL);
+        }
-        return gic_shared_irq_domain_map(d, virq, hw, 0);
+        return err;
 }
 static int gic_irq_domain_alloc(struct irq_domain *d, unsigned int virq,
@@ -744,15 +749,12 @@ static int gic_irq_domain_alloc(struct irq_domain *d, unsigned int virq,
        int cpu, ret, i;
        if (spec->type == GIC_DEVICE) {
-                /* verify that it doesn't conflict with an IPI irq */
+                /* verify that shared irqs don't conflict with an IPI irq */
-                if (test_bit(spec->hwirq, ipi_resrv))
+                if ((spec->hwirq >= GIC_SHARED_HWIRQ_BASE) &&
+                    test_bit(GIC_HWIRQ_TO_SHARED(spec->hwirq), ipi_resrv))
                        return -EBUSY;
-                hwirq = GIC_SHARED_TO_HWIRQ(spec->hwirq);
+                return gic_setup_dev_chip(d, virq, spec->hwirq);
-                return irq_domain_set_hwirq_and_chip(d, virq, hwirq,
-                                                     &gic_level_irq_controller,
-                                                     NULL);
        } else {
                base_hwirq = find_first_bit(ipi_resrv, gic_shared_intrs);
                if (base_hwirq == gic_shared_intrs) {
@@ -821,7 +823,6 @@ int gic_irq_domain_match(struct irq_domain *d, struct device_node *node,
 }
 static const struct irq_domain_ops gic_irq_domain_ops = {
-        .map = gic_irq_domain_map,
        .alloc = gic_irq_domain_alloc,
        .free = gic_irq_domain_free,
        .match = gic_irq_domain_match,
@@ -852,29 +853,20 @@ static int gic_dev_domain_alloc(struct irq_domain *d, unsigned int virq,
        struct irq_fwspec *fwspec = arg;
        struct gic_irq_spec spec = {
                .type = GIC_DEVICE,
-                .hwirq = fwspec->param[1],
        };
        int i, ret;
-        bool is_shared = fwspec->param[0] == GIC_SHARED;
-        if (is_shared) {
+        if (fwspec->param[0] == GIC_SHARED)
-                ret = irq_domain_alloc_irqs_parent(d, virq, nr_irqs, &spec);
+                spec.hwirq = GIC_SHARED_TO_HWIRQ(fwspec->param[1]);
-                if (ret)
+        else
-                        return ret;
+                spec.hwirq = GIC_LOCAL_TO_HWIRQ(fwspec->param[1]);
-        }
-        for (i = 0; i < nr_irqs; i++) {
-                irq_hw_number_t hwirq;
-                if (is_shared)
+        ret = irq_domain_alloc_irqs_parent(d, virq, nr_irqs, &spec);
-                        hwirq = GIC_SHARED_TO_HWIRQ(spec.hwirq + i);
+        if (ret)
-                else
+                return ret;
-                        hwirq = GIC_LOCAL_TO_HWIRQ(spec.hwirq + i);
-                ret = irq_domain_set_hwirq_and_chip(d, virq + i,
+        for (i = 0; i < nr_irqs; i++) {
-                                                    hwirq,
+                ret = gic_setup_dev_chip(d, virq + i, spec.hwirq + i);
-                                                    &gic_level_irq_controller,
-                                                    NULL);
                if (ret)
                        goto error;
        }
@@ -896,7 +888,10 @@ void gic_dev_domain_free(struct irq_domain *d, unsigned int virq,
 static void gic_dev_domain_activate(struct irq_domain *domain,
                                    struct irq_data *d)
 {
-        gic_shared_irq_domain_map(domain, d->irq, d->hwirq, 0);
+        if (GIC_HWIRQ_TO_LOCAL(d->hwirq) < GIC_NUM_LOCAL_INTRS)
+                gic_local_irq_domain_map(domain, d->irq, d->hwirq);
+        else
+                gic_shared_irq_domain_map(domain, d->irq, d->hwirq, 0);
 }
 static struct irq_domain_ops gic_dev_domain_ops = {
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 67642bacd597..915e84d631a2 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7610,16 +7610,12 @@ EXPORT_SYMBOL(unregister_md_cluster_operations);
 int md_setup_cluster(struct mddev *mddev, int nodes)
 {
-        int err;
+        if (!md_cluster_ops)
+                request_module("md-cluster");
-        err = request_module("md-cluster");
-        if (err) {
-                pr_err("md-cluster module not found.\n");
-                return -ENOENT;
-        }
        spin_lock(&pers_lock);
+        /* ensure module won't be unloaded */
        if (!md_cluster_ops || !try_module_get(md_cluster_mod)) {
+                pr_err("can't find md-cluster module or get it's reference.\n");
                spin_unlock(&pers_lock);
                return -ENOENT;
        }
diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c
index 51f76ddbe265..1b1ab4a1d132 100644
--- a/drivers/md/raid5-cache.c
+++ b/drivers/md/raid5-cache.c
@@ -96,7 +96,6 @@ struct r5l_log {
        spinlock_t no_space_stripes_lock;
        bool need_cache_flush;
-        bool in_teardown;
 };
 /*
@@ -704,31 +703,22 @@ static void r5l_write_super_and_discard_space(struct r5l_log *log,
        mddev = log->rdev->mddev;
        /*
-         * This is to avoid a deadlock. r5l_quiesce holds reconfig_mutex and
+         * Discard could zero data, so before discard we must make sure
-         * wait for this thread to finish. This thread waits for
+         * superblock is updated to new log tail. Updating superblock (either
-         * MD_CHANGE_PENDING clear, which is supposed to be done in
+         * directly call md_update_sb() or depend on md thread) must hold
-         * md_check_recovery(). md_check_recovery() tries to get
+         * reconfig mutex. On the other hand, raid5_quiesce is called with
-         * reconfig_mutex. Since r5l_quiesce already holds the mutex,
+         * reconfig_mutex hold. The first step of raid5_quiesce() is waitting
-         * md_check_recovery() fails, so the PENDING never get cleared. The
+         * for all IO finish, hence waitting for reclaim thread, while reclaim
-         * in_teardown check workaround this issue.
+         * thread is calling this function and waitting for reconfig mutex. So
+         * there is a deadlock. We workaround this issue with a trylock.
+         * FIXME: we could miss discard if we can't take reconfig mutex
         */
-        if (!log->in_teardown) {
+        set_mask_bits(&mddev->flags, 0,
-                set_mask_bits(&mddev->flags, 0,
+                BIT(MD_CHANGE_DEVS) | BIT(MD_CHANGE_PENDING));
-                              BIT(MD_CHANGE_DEVS) | BIT(MD_CHANGE_PENDING));
+        if (!mddev_trylock(mddev))
-                md_wakeup_thread(mddev->thread);
+                return;
-                wait_event(mddev->sb_wait,
+        md_update_sb(mddev, 1);
-                        !test_bit(MD_CHANGE_PENDING, &mddev->flags) ||
+        mddev_unlock(mddev);
-                        log->in_teardown);
-                /*
-                 * r5l_quiesce could run after in_teardown check and hold
-                 * mutex first. Superblock might get updated twice.
-                 */
-                if (log->in_teardown)
-                        md_update_sb(mddev, 1);
-        } else {
-                WARN_ON(!mddev_is_locked(mddev));
-                md_update_sb(mddev, 1);
-        }
        /* discard IO error really doesn't matter, ignore it */
        if (log->last_checkpoint < end) {
@@ -827,7 +817,6 @@ void r5l_quiesce(struct r5l_log *log, int state)
        if (!log || state == 2)
                return;
        if (state == 0) {
-                log->in_teardown = 0;
                /*
                 * This is a special case for hotadd. In suspend, the array has
                 * no journal. In resume, journal is initialized as well as the
@@ -838,11 +827,6 @@ void r5l_quiesce(struct r5l_log *log, int state)
                log->reclaim_thread = md_register_thread(r5l_reclaim_thread,
                                        log->rdev->mddev, "reclaim");
        } else if (state == 1) {
-                /*
-                 * at this point all stripes are finished, so io_unit is at
-                 * least in STRIPE_END state
-                 */
-                log->in_teardown = 1;
                /* make sure r5l_write_super_and_discard_space exits */
                mddev = log->rdev->mddev;
                wake_up(&mddev->sb_wait);
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index da583bb43c84..ee7fc3701700 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -2423,10 +2423,10 @@ static void raid5_end_read_request(struct bio * bi)
                }
        }
        rdev_dec_pending(rdev, conf->mddev);
+        bio_reset(bi);
        clear_bit(R5_LOCKED, &sh->dev[i].flags);
        set_bit(STRIPE_HANDLE, &sh->state);
        raid5_release_stripe(sh);
-        bio_reset(bi);
 }
 static void raid5_end_write_request(struct bio *bi)
@@ -2498,6 +2498,7 @@ static void raid5_end_write_request(struct bio *bi)
        if (sh->batch_head && bi->bi_error && !replacement)
                set_bit(STRIPE_BATCH_ERR, &sh->batch_head->state);
+        bio_reset(bi);
        if (!test_and_clear_bit(R5_DOUBLE_LOCKED, &sh->dev[i].flags))
                clear_bit(R5_LOCKED, &sh->dev[i].flags);
        set_bit(STRIPE_HANDLE, &sh->state);
@@ -2505,7 +2506,6 @@ static void raid5_end_write_request(struct bio *bi)
        if (sh->batch_head && sh != sh->batch_head)
                raid5_release_stripe(sh->batch_head);
-        bio_reset(bi);
 }
 static void raid5_build_block(struct stripe_head *sh, int i, int previous)
@@ -6639,6 +6639,16 @@ static struct r5conf *setup_conf(struct mddev *mddev)
        }
        conf->min_nr_stripes = NR_STRIPES;
+        if (mddev->reshape_position != MaxSector) {
+                int stripes = max_t(int,
+                        ((mddev->chunk_sectors << 9) / STRIPE_SIZE) * 4,
+                        ((mddev->new_chunk_sectors << 9) / STRIPE_SIZE) * 4);
+                conf->min_nr_stripes = max(NR_STRIPES, stripes);
+                if (conf->min_nr_stripes != NR_STRIPES)
+                        printk(KERN_INFO
+                                "md/raid:%s: force stripe size %d for reshape\n",
+                                mdname(mddev), conf->min_nr_stripes);
+        }
        memory = conf->min_nr_stripes * (sizeof(struct stripe_head) +
                 max_disks * ((sizeof(struct bio) + PAGE_SIZE))) / 1024;
        atomic_set(&conf->empty_inactive_list_nr, NR_STRIPE_HASH_LOCKS);
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index f23d65eb070d..be3c49fa7382 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -1016,14 +1016,16 @@ mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req)
                /* Only reconfigure if we have a different burst size */
                if (*bp != burst) {
-                        struct dma_slave_config cfg;
+                        struct dma_slave_config cfg = {
+                                .src_addr = host->phys_base +
-                        cfg.src_addr = host->phys_base + OMAP_MMC_REG(host, DATA);
+                                            OMAP_MMC_REG(host, DATA),
-                        cfg.dst_addr = host->phys_base + OMAP_MMC_REG(host, DATA);
+                                .dst_addr = host->phys_base +
-                        cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
+                                            OMAP_MMC_REG(host, DATA),
-                        cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
+                                .src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES,
-                        cfg.src_maxburst = burst;
+                                .dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES,
-                        cfg.dst_maxburst = burst;
+                                .src_maxburst = burst,
+                                .dst_maxburst = burst,
+                        };
                        if (dmaengine_slave_config(c, &cfg))
                                goto use_pio;
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 24ebc9a8de89..5f2f24a7360d 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1409,11 +1409,18 @@ static int omap_hsmmc_pre_dma_transfer(struct omap_hsmmc_host *host,
 static int omap_hsmmc_setup_dma_transfer(struct omap_hsmmc_host *host,
                                        struct mmc_request *req)
 {
-        struct dma_slave_config cfg;
        struct dma_async_tx_descriptor *tx;
        int ret = 0, i;
        struct mmc_data *data = req->data;
        struct dma_chan *chan;
+        struct dma_slave_config cfg = {
+                .src_addr = host->mapbase + OMAP_HSMMC_DATA,
+                .dst_addr = host->mapbase + OMAP_HSMMC_DATA,
+                .src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
+                .dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
+                .src_maxburst = data->blksz / 4,
+                .dst_maxburst = data->blksz / 4,
+        };
        /* Sanity check: all the SG entries must be aligned by block size. */
        for (i = 0; i < data->sg_len; i++) {
@@ -1433,13 +1440,6 @@ static int omap_hsmmc_setup_dma_transfer(struct omap_hsmmc_host *host,
        chan = omap_hsmmc_get_dma_chan(host, data);
-        cfg.src_addr = host->mapbase + OMAP_HSMMC_DATA;
-        cfg.dst_addr = host->mapbase + OMAP_HSMMC_DATA;
-        cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
-        cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
-        cfg.src_maxburst = data->blksz / 4;
-        cfg.dst_maxburst = data->blksz / 4;
        ret = dmaengine_slave_config(chan, &cfg);
        if (ret)
                return ret;
diff --git a/drivers/mmc/host/sdhci-st.c b/drivers/mmc/host/sdhci-st.c
index c95ba83366a0..ed92ce729dde 100644
--- a/drivers/mmc/host/sdhci-st.c
+++ b/drivers/mmc/host/sdhci-st.c
@@ -28,6 +28,7 @@
 struct st_mmc_platform_data {
        struct  reset_control *rstc;
+        struct  clk *icnclk;
        void __iomem *top_ioaddr;
 };
@@ -353,7 +354,7 @@ static int sdhci_st_probe(struct platform_device *pdev)
        struct sdhci_host *host;
        struct st_mmc_platform_data *pdata;
        struct sdhci_pltfm_host *pltfm_host;
-        struct clk *clk;
+        struct clk *clk, *icnclk;
        int ret = 0;
        u16 host_version;
        struct resource *res;
@@ -365,6 +366,11 @@ static int sdhci_st_probe(struct platform_device *pdev)
                return PTR_ERR(clk);
        }
+        /* ICN clock isn't compulsory, but use it if it's provided. */
+        icnclk = devm_clk_get(&pdev->dev, "icn");
+        if (IS_ERR(icnclk))
+                icnclk = NULL;
        rstc = devm_reset_control_get(&pdev->dev, NULL);
        if (IS_ERR(rstc))
                rstc = NULL;
@@ -389,6 +395,7 @@ static int sdhci_st_probe(struct platform_device *pdev)
        }
        clk_prepare_enable(clk);
+        clk_prepare_enable(icnclk);
        /* Configure the FlashSS Top registers for setting eMMC TX/RX delay */
        res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
@@ -400,6 +407,7 @@ static int sdhci_st_probe(struct platform_device *pdev)
        }
        pltfm_host->clk = clk;
+        pdata->icnclk = icnclk;
        /* Configure the Arasan HC inside the flashSS */
        st_mmcss_cconfig(np, host);
@@ -422,6 +430,7 @@ static int sdhci_st_probe(struct platform_device *pdev)
        return 0;
 err_out:
+        clk_disable_unprepare(icnclk);
        clk_disable_unprepare(clk);
 err_of:
        sdhci_pltfm_free(pdev);
@@ -442,6 +451,8 @@ static int sdhci_st_remove(struct platform_device *pdev)
        ret = sdhci_pltfm_unregister(pdev);
+        clk_disable_unprepare(pdata->icnclk);
        if (rstc)
                reset_control_assert(rstc);
@@ -462,6 +473,7 @@ static int sdhci_st_suspend(struct device *dev)
        if (pdata->rstc)
                reset_control_assert(pdata->rstc);
+        clk_disable_unprepare(pdata->icnclk);
        clk_disable_unprepare(pltfm_host->clk);
 out:
        return ret;
@@ -475,6 +487,7 @@ static int sdhci_st_resume(struct device *dev)
        struct device_node *np = dev->of_node;
        clk_prepare_enable(pltfm_host->clk);
+        clk_prepare_enable(pdata->icnclk);
        if (pdata->rstc)
                reset_control_deassert(pdata->rstc);
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 217e8da0628c..9599ed6f1213 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1341,9 +1341,10 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
                            slave_dev->name);
        }
-        /* already enslaved */
+        /* already in-use? */
-        if (slave_dev->flags & IFF_SLAVE) {
+        if (netdev_is_rx_handler_busy(slave_dev)) {
-                netdev_dbg(bond_dev, "Error: Device was already enslaved\n");
+                netdev_err(bond_dev,
+                           "Error: Device is in use and cannot be enslaved\n");
                return -EBUSY;
        }
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 97e892511666..fa3386bb14f7 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -772,6 +772,11 @@ void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl)
                (bp->common.bc_ver & 0xff00) >> 8,
                (bp->common.bc_ver & 0xff));
+        if (pci_channel_offline(bp->pdev)) {
+                BNX2X_ERR("Cannot dump MCP info while in PCI error\n");
+                return;
+        }
        val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER);
        if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER))
                BNX2X_ERR("%s" "MCP PC at 0x%x\n", lvl, val);
@@ -9415,10 +9420,16 @@ unload_error:
        /* Release IRQs */
        bnx2x_free_irq(bp);
-        /* Reset the chip */
+        /* Reset the chip, unless PCI function is offline. If we reach this
-        rc = bnx2x_reset_hw(bp, reset_code);
+         * point following a PCI error handling, it means device is really
-        if (rc)
+         * in a bad state and we're about to remove it, so reset the chip
-                BNX2X_ERR("HW_RESET failed\n");
+         * is not a good idea.
+         */
+        if (!pci_channel_offline(bp->pdev)) {
+                rc = bnx2x_reset_hw(bp, reset_code);
+                if (rc)
+                        BNX2X_ERR("HW_RESET failed\n");
+        }
        /* Report UNLOAD_DONE to MCP */
        bnx2x_send_unload_done(bp, keep_link);
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 2cf79100c9cb..228c964e709a 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -353,8 +353,8 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev)
                push_len = (length + sizeof(*tx_push) + 7) / 8;
                if (push_len > 16) {
                        __iowrite64_copy(txr->tx_doorbell, tx_push_buf, 16);
-                        __iowrite64_copy(txr->tx_doorbell + 4, tx_push_buf + 1,
+                        __iowrite32_copy(txr->tx_doorbell + 4, tx_push_buf + 1,
-                                         push_len - 16);
+                                         (push_len - 16) << 1);
                } else {
                        __iowrite64_copy(txr->tx_doorbell, tx_push_buf,
                                         push_len);
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 659261218d9f..a2551bcd1027 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -14012,6 +14012,7 @@ static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
        if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
            (!ec->rx_coalesce_usecs) ||
            (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
+            (!ec->tx_coalesce_usecs) ||
            (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
            (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
            (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
@@ -14022,16 +14023,6 @@ static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
            (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
                return -EINVAL;
-        /* No rx interrupts will be generated if both are zero */
-        if ((ec->rx_coalesce_usecs == 0) &&
-            (ec->rx_max_coalesced_frames == 0))
-                return -EINVAL;
-        /* No tx interrupts will be generated if both are zero */
-        if ((ec->tx_coalesce_usecs == 0) &&
-            (ec->tx_max_coalesced_frames == 0))
-                return -EINVAL;
        /* Only copy relevant parameters, ignore all others. */
        tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
        tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index 89c0cfa9719f..d954a97b0b0b 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -1323,6 +1323,24 @@ dma_error:
        return 0;
 }
+static inline int macb_clear_csum(struct sk_buff *skb)
+{
+        /* no change for packets without checksum offloading */
+        if (skb->ip_summed != CHECKSUM_PARTIAL)
+                return 0;
+        /* make sure we can modify the header */
+        if (unlikely(skb_cow_head(skb, 0)))
+                return -1;
+        /* initialize checksum field
+         * This is required - at least for Zynq, which otherwise calculates
+         * wrong UDP header checksums for UDP packets with UDP data len <=2
+         */
+        *(__sum16 *)(skb_checksum_start(skb) + skb->csum_offset) = 0;
+        return 0;
+}
 static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
        u16 queue_index = skb_get_queue_mapping(skb);
@@ -1362,6 +1380,11 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
                return NETDEV_TX_BUSY;
        }
+        if (macb_clear_csum(skb)) {
+                dev_kfree_skb_any(skb);
+                return NETDEV_TX_OK;
+        }
        /* Map socket buffer for DMA transfer */
        if (!macb_tx_map(bp, queue, skb)) {
                dev_kfree_skb_any(skb);
diff --git a/drivers/net/ethernet/cavium/thunder/nic.h b/drivers/net/ethernet/cavium/thunder/nic.h
index 83025bb4737c..e29815d9e6f4 100644
--- a/drivers/net/ethernet/cavium/thunder/nic.h
+++ b/drivers/net/ethernet/cavium/thunder/nic.h
@@ -279,6 +279,7 @@ struct nicvf {
        u8                      sqs_id;
        bool                    sqs_mode;
        bool                    hw_tso;
+        bool                    t88;
        /* Receive buffer alloc */
        u32                     rb_page_offset;
diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c
index 16ed20357c5c..85cc782b9060 100644
--- a/drivers/net/ethernet/cavium/thunder/nic_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nic_main.c
@@ -251,9 +251,14 @@ static void nic_set_tx_pkt_pad(struct nicpf *nic, int size)
        int lmac;
        u64 lmac_cfg;
-        /* Max value that can be set is 60 */
+        /* There is a issue in HW where-in while sending GSO sized
-        if (size > 60)
+         * pkts as part of TSO, if pkt len falls below this size
-                size = 60;
+         * NIC will zero PAD packet and also updates IP total length.
+         * Hence set this value to lessthan min pkt size of MAC+IP+TCP
+         * headers, BGX will do the padding to transmit 64 byte pkt.
+         */
+        if (size > 52)
+                size = 52;
        for (lmac = 0; lmac < (MAX_BGX_PER_CN88XX * MAX_LMAC_PER_BGX); lmac++) {
                lmac_cfg = nic_reg_read(nic, NIC_PF_LMAC_0_7_CFG | (lmac << 3));
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
index a19e73f11d73..3240349615bd 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
@@ -513,6 +513,7 @@ static void nicvf_snd_pkt_handler(struct net_device *netdev,
        struct nicvf *nic = netdev_priv(netdev);
        struct snd_queue *sq;
        struct sq_hdr_subdesc *hdr;
+        struct sq_hdr_subdesc *tso_sqe;
        sq = &nic->qs->sq[cqe_tx->sq_idx];
@@ -527,17 +528,21 @@ static void nicvf_snd_pkt_handler(struct net_device *netdev,
        nicvf_check_cqe_tx_errs(nic, cq, cqe_tx);
        skb = (struct sk_buff *)sq->skbuff[cqe_tx->sqe_ptr];
-        /* For TSO offloaded packets only one SQE will have a valid SKB */
        if (skb) {
+                /* Check for dummy descriptor used for HW TSO offload on 88xx */
+                if (hdr->dont_send) {
+                        /* Get actual TSO descriptors and free them */
+                        tso_sqe =
+                         (struct sq_hdr_subdesc *)GET_SQ_DESC(sq, hdr->rsvd2);
+                        nicvf_put_sq_desc(sq, tso_sqe->subdesc_cnt + 1);
+                }
                nicvf_put_sq_desc(sq, hdr->subdesc_cnt + 1);
                prefetch(skb);
                dev_consume_skb_any(skb);
                sq->skbuff[cqe_tx->sqe_ptr] = (u64)NULL;
        } else {
-                /* In case of HW TSO, HW sends a CQE for each segment of a TSO
+                /* In case of SW TSO on 88xx, only last segment will have
-                 * packet instead of a single CQE for the whole TSO packet
+                 * a SKB attached, so just free SQEs here.
-                 * transmitted. Each of this CQE points to the same SQE, so
-                 * avoid freeing same SQE multiple times.
                 */
                if (!nic->hw_tso)
                        nicvf_put_sq_desc(sq, hdr->subdesc_cnt + 1);
@@ -1502,6 +1507,7 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        struct net_device *netdev;
        struct nicvf *nic;
        int    err, qcount;
+        u16    sdevid;
        err = pci_enable_device(pdev);
        if (err) {
@@ -1575,6 +1581,10 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        if (!pass1_silicon(nic->pdev))
                nic->hw_tso = true;
+        pci_read_config_word(nic->pdev, PCI_SUBSYSTEM_ID, &sdevid);
+        if (sdevid == 0xA134)
+                nic->t88 = true;
        /* Check if this VF is in QS only mode */
        if (nic->sqs_mode)
                return 0;
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
index 0ff8e60deccb..dda3ea3f3bb6 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
@@ -938,6 +938,8 @@ static int nicvf_tso_count_subdescs(struct sk_buff *skb)
        return num_edescs + sh->gso_segs;
 }
+#define POST_CQE_DESC_COUNT 2
 /* Get the number of SQ descriptors needed to xmit this skb */
 static int nicvf_sq_subdesc_required(struct nicvf *nic, struct sk_buff *skb)
 {
@@ -948,6 +950,10 @@ static int nicvf_sq_subdesc_required(struct nicvf *nic, struct sk_buff *skb)
                return subdesc_cnt;
        }
+        /* Dummy descriptors to get TSO pkt completion notification */
+        if (nic->t88 && nic->hw_tso && skb_shinfo(skb)->gso_size)
+                subdesc_cnt += POST_CQE_DESC_COUNT;
        if (skb_shinfo(skb)->nr_frags)
                subdesc_cnt += skb_shinfo(skb)->nr_frags;
@@ -965,14 +971,21 @@ nicvf_sq_add_hdr_subdesc(struct nicvf *nic, struct snd_queue *sq, int qentry,
        struct sq_hdr_subdesc *hdr;
        hdr = (struct sq_hdr_subdesc *)GET_SQ_DESC(sq, qentry);
-        sq->skbuff[qentry] = (u64)skb;
        memset(hdr, 0, SND_QUEUE_DESC_SIZE);
        hdr->subdesc_type = SQ_DESC_TYPE_HEADER;
-        /* Enable notification via CQE after processing SQE */
-        hdr->post_cqe = 1;
+        if (nic->t88 && nic->hw_tso && skb_shinfo(skb)->gso_size) {
-        /* No of subdescriptors following this */
+                /* post_cqe = 0, to avoid HW posting a CQE for every TSO
-        hdr->subdesc_cnt = subdesc_cnt;
+                 * segment transmitted on 88xx.
+                 */
+                hdr->subdesc_cnt = subdesc_cnt - POST_CQE_DESC_COUNT;
+        } else {
+                sq->skbuff[qentry] = (u64)skb;
+                /* Enable notification via CQE after processing SQE */
+                hdr->post_cqe = 1;
+                /* No of subdescriptors following this */
+                hdr->subdesc_cnt = subdesc_cnt;
+        }
        hdr->tot_len = len;
        /* Offload checksum calculation to HW */
@@ -1023,6 +1036,37 @@ static inline void nicvf_sq_add_gather_subdesc(struct snd_queue *sq, int qentry,
        gather->addr = data;
 }
+/* Add HDR + IMMEDIATE subdescriptors right after descriptors of a TSO
+ * packet so that a CQE is posted as a notifation for transmission of
+ * TSO packet.
+ */
+static inline void nicvf_sq_add_cqe_subdesc(struct snd_queue *sq, int qentry,
+                                            int tso_sqe, struct sk_buff *skb)
+{
+        struct sq_imm_subdesc *imm;
+        struct sq_hdr_subdesc *hdr;
+        sq->skbuff[qentry] = (u64)skb;
+        hdr = (struct sq_hdr_subdesc *)GET_SQ_DESC(sq, qentry);
+        memset(hdr, 0, SND_QUEUE_DESC_SIZE);
+        hdr->subdesc_type = SQ_DESC_TYPE_HEADER;
+        /* Enable notification via CQE after processing SQE */
+        hdr->post_cqe = 1;
+        /* There is no packet to transmit here */
+        hdr->dont_send = 1;
+        hdr->subdesc_cnt = POST_CQE_DESC_COUNT - 1;
+        hdr->tot_len = 1;
+        /* Actual TSO header SQE index, needed for cleanup */
+        hdr->rsvd2 = tso_sqe;
+        qentry = nicvf_get_nxt_sqentry(sq, qentry);
+        imm = (struct sq_imm_subdesc *)GET_SQ_DESC(sq, qentry);
+        memset(imm, 0, SND_QUEUE_DESC_SIZE);
+        imm->subdesc_type = SQ_DESC_TYPE_IMMEDIATE;
+        imm->len = 1;
+}
 /* Segment a TSO packet into 'gso_size' segments and append
 * them to SQ for transfer
 */
@@ -1096,7 +1140,7 @@ static int nicvf_sq_append_tso(struct nicvf *nic, struct snd_queue *sq,
 int nicvf_sq_append_skb(struct nicvf *nic, struct sk_buff *skb)
 {
        int i, size;
-        int subdesc_cnt;
+        int subdesc_cnt, tso_sqe = 0;
        int sq_num, qentry;
        struct queue_set *qs;
        struct snd_queue *sq;
@@ -1131,6 +1175,7 @@ int nicvf_sq_append_skb(struct nicvf *nic, struct sk_buff *skb)
        /* Add SQ header subdesc */
        nicvf_sq_add_hdr_subdesc(nic, sq, qentry, subdesc_cnt - 1,
                                 skb, skb->len);
+        tso_sqe = qentry;
        /* Add SQ gather subdescs */
        qentry = nicvf_get_nxt_sqentry(sq, qentry);
@@ -1154,6 +1199,11 @@ int nicvf_sq_append_skb(struct nicvf *nic, struct sk_buff *skb)
        }
 doorbell:
+        if (nic->t88 && skb_shinfo(skb)->gso_size) {
+                qentry = nicvf_get_nxt_sqentry(sq, qentry);
+                nicvf_sq_add_cqe_subdesc(sq, qentry, tso_sqe, skb);
+        }
        /* make sure all memory stores are done before ringing doorbell */
        smp_wmb();
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 828ed28c3c14..d0b3a1bb82ca 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -5113,9 +5113,13 @@ static int i40e_init_pf_dcb(struct i40e_pf *pf)
                                       DCB_CAP_DCBX_VER_IEEE;
                        pf->flags |= I40E_FLAG_DCB_CAPABLE;
-                        /* Enable DCB tagging only when more than one TC */
+                        /* Enable DCB tagging only when more than one TC
+                         * or explicitly disable if only one TC
+                         */
                        if (i40e_dcb_get_num_tc(&hw->local_dcbx_config) > 1)
                                pf->flags |= I40E_FLAG_DCB_ENABLED;
+                        else
+                                pf->flags &= ~I40E_FLAG_DCB_ENABLED;
                        dev_dbg(&pf->pdev->dev,
                                "DCBX offload is supported for this PF.\n");
                }
@@ -5716,7 +5720,7 @@ static int i40e_handle_lldp_event(struct i40e_pf *pf,
        u8 type;
        /* Not DCB capable or capability disabled */
-        if (!(pf->flags & I40E_FLAG_DCB_CAPABLE))
+        if (!(pf->flags & I40E_FLAG_DCB_ENABLED))
                return ret;
        /* Ignore if event is not for Nearest Bridge */
@@ -7896,6 +7900,7 @@ static int i40e_init_interrupt_scheme(struct i40e_pf *pf)
 #endif
                                       I40E_FLAG_RSS_ENABLED    |
                                       I40E_FLAG_DCB_CAPABLE    |
+                                       I40E_FLAG_DCB_ENABLED    |
                                       I40E_FLAG_SRIOV_ENABLED  |
                                       I40E_FLAG_FD_SB_ENABLED  |
                                       I40E_FLAG_FD_ATR_ENABLED |
@@ -10502,6 +10507,7 @@ static void i40e_determine_queue_usage(struct i40e_pf *pf)
                               I40E_FLAG_FD_SB_ENABLED  |
                               I40E_FLAG_FD_ATR_ENABLED |
                               I40E_FLAG_DCB_CAPABLE    |
+                               I40E_FLAG_DCB_ENABLED    |
                               I40E_FLAG_SRIOV_ENABLED  |
                               I40E_FLAG_VMDQ_ENABLED);
        } else if (!(pf->flags & (I40E_FLAG_RSS_ENABLED |
@@ -10525,7 +10531,8 @@ static void i40e_determine_queue_usage(struct i40e_pf *pf)
                /* Not enough queues for all TCs */
                if ((pf->flags & I40E_FLAG_DCB_CAPABLE) &&
                    (queues_left < I40E_MAX_TRAFFIC_CLASS)) {
-                        pf->flags &= ~I40E_FLAG_DCB_CAPABLE;
+                        pf->flags &= ~(I40E_FLAG_DCB_CAPABLE |
+                                        I40E_FLAG_DCB_ENABLED);
                        dev_info(&pf->pdev->dev, "not enough queues for DCB. DCB is disabled.\n");
                }
                pf->num_lan_qps = max_t(int, pf->rss_size_max,
@@ -10922,7 +10929,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        err = i40e_init_pf_dcb(pf);
        if (err) {
                dev_info(&pdev->dev, "DCB init failed %d, disabled\n", err);
-                pf->flags &= ~I40E_FLAG_DCB_CAPABLE;
+                pf->flags &= ~(I40E_FLAG_DCB_CAPABLE & I40E_FLAG_DCB_ENABLED);
                /* Continue without DCB enabled */
        }
 #endif /* CONFIG_I40E_DCB */
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index f1609542adf1..d9199151a83e 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -50,6 +50,10 @@ static const struct mtk_ethtool_stats {
        MTK_ETHTOOL_STAT(rx_flow_control_packets),
 };
+static const char * const mtk_clks_source_name[] = {
+        "ethif", "esw", "gp1", "gp2"
+};
 void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg)
 {
        __raw_writel(val, eth->base + reg);
@@ -291,7 +295,7 @@ err_phy:
 static int mtk_mdio_init(struct mtk_eth *eth)
 {
        struct device_node *mii_np;
-        int err;
+        int ret;
        mii_np = of_get_child_by_name(eth->dev->of_node, "mdio-bus");
        if (!mii_np) {
@@ -300,13 +304,13 @@ static int mtk_mdio_init(struct mtk_eth *eth)
        }
        if (!of_device_is_available(mii_np)) {
-                err = 0;
+                ret = -ENODEV;
                goto err_put_node;
        }
-        eth->mii_bus = mdiobus_alloc();
+        eth->mii_bus = devm_mdiobus_alloc(eth->dev);
        if (!eth->mii_bus) {
-                err = -ENOMEM;
+                ret = -ENOMEM;
                goto err_put_node;
        }
@@ -317,19 +321,11 @@ static int mtk_mdio_init(struct mtk_eth *eth)
        eth->mii_bus->parent = eth->dev;
        snprintf(eth->mii_bus->id, MII_BUS_ID_SIZE, "%s", mii_np->name);
-        err = of_mdiobus_register(eth->mii_bus, mii_np);
+        ret = of_mdiobus_register(eth->mii_bus, mii_np);
-        if (err)
-                goto err_free_bus;
-        return 0;
-err_free_bus:
-        mdiobus_free(eth->mii_bus);
 err_put_node:
        of_node_put(mii_np);
-        eth->mii_bus = NULL;
+        return ret;
-        return err;
 }
 static void mtk_mdio_cleanup(struct mtk_eth *eth)
@@ -338,8 +334,6 @@ static void mtk_mdio_cleanup(struct mtk_eth *eth)
                return;
        mdiobus_unregister(eth->mii_bus);
-        of_node_put(eth->mii_bus->dev.of_node);
-        mdiobus_free(eth->mii_bus);
 }
 static inline void mtk_irq_disable(struct mtk_eth *eth, u32 mask)
@@ -588,14 +582,15 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev,
        dma_addr_t mapped_addr;
        unsigned int nr_frags;
        int i, n_desc = 1;
-        u32 txd4 = 0;
+        u32 txd4 = 0, fport;
        itxd = ring->next_free;
        if (itxd == ring->last_free)
                return -ENOMEM;
        /* set the forward port */
-        txd4 |= (mac->id + 1) << TX_DMA_FPORT_SHIFT;
+        fport = (mac->id + 1) << TX_DMA_FPORT_SHIFT;
+        txd4 |= fport;
        tx_buf = mtk_desc_to_tx_buf(ring, itxd);
        memset(tx_buf, 0, sizeof(*tx_buf));
@@ -653,7 +648,7 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev,
                        WRITE_ONCE(txd->txd3, (TX_DMA_SWC |
                                               TX_DMA_PLEN0(frag_map_size) |
                                               last_frag * TX_DMA_LS0));
-                        WRITE_ONCE(txd->txd4, 0);
+                        WRITE_ONCE(txd->txd4, fport);
                        tx_buf->skb = (struct sk_buff *)MTK_DMA_DUMMY_DESC;
                        tx_buf = mtk_desc_to_tx_buf(ring, txd);
@@ -865,7 +860,7 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget,
                /* receive data */
                skb = build_skb(data, ring->frag_size);
                if (unlikely(!skb)) {
-                        put_page(virt_to_head_page(new_data));
+                        skb_free_frag(new_data);
                        netdev->stats.rx_dropped++;
                        goto release_desc;
                }
@@ -1506,10 +1501,7 @@ static void mtk_uninit(struct net_device *dev)
        struct mtk_eth *eth = mac->hw;
        phy_disconnect(mac->phy_dev);
-        mtk_mdio_cleanup(eth);
        mtk_irq_disable(eth, ~0);
-        free_irq(eth->irq[1], dev);
-        free_irq(eth->irq[2], dev);
 }
 static int mtk_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
@@ -1813,6 +1805,7 @@ static int mtk_probe(struct platform_device *pdev)
        if (!eth)
                return -ENOMEM;
+        eth->dev = &pdev->dev;
        eth->base = devm_ioremap_resource(&pdev->dev, res);
        if (IS_ERR(eth->base))
                return PTR_ERR(eth->base);
@@ -1847,21 +1840,21 @@ static int mtk_probe(struct platform_device *pdev)
                        return -ENXIO;
                }
        }
+        for (i = 0; i < ARRAY_SIZE(eth->clks); i++) {
+                eth->clks[i] = devm_clk_get(eth->dev,
+                                            mtk_clks_source_name[i]);
+                if (IS_ERR(eth->clks[i])) {
+                        if (PTR_ERR(eth->clks[i]) == -EPROBE_DEFER)
+                                return -EPROBE_DEFER;
+                        return -ENODEV;
+                }
+        }
-        eth->clk_ethif = devm_clk_get(&pdev->dev, "ethif");
+        clk_prepare_enable(eth->clks[MTK_CLK_ETHIF]);
-        eth->clk_esw = devm_clk_get(&pdev->dev, "esw");
+        clk_prepare_enable(eth->clks[MTK_CLK_ESW]);
-        eth->clk_gp1 = devm_clk_get(&pdev->dev, "gp1");
+        clk_prepare_enable(eth->clks[MTK_CLK_GP1]);
-        eth->clk_gp2 = devm_clk_get(&pdev->dev, "gp2");
+        clk_prepare_enable(eth->clks[MTK_CLK_GP2]);
-        if (IS_ERR(eth->clk_esw) || IS_ERR(eth->clk_gp1) ||
-            IS_ERR(eth->clk_gp2) || IS_ERR(eth->clk_ethif))
-                return -ENODEV;
-        clk_prepare_enable(eth->clk_ethif);
-        clk_prepare_enable(eth->clk_esw);
-        clk_prepare_enable(eth->clk_gp1);
-        clk_prepare_enable(eth->clk_gp2);
-        eth->dev = &pdev->dev;
        eth->msg_enable = netif_msg_init(mtk_msg_level, MTK_DEFAULT_MSG_ENABLE);
        INIT_WORK(&eth->pending_work, mtk_pending_work);
@@ -1903,15 +1896,24 @@ err_free_dev:
 static int mtk_remove(struct platform_device *pdev)
 {
        struct mtk_eth *eth = platform_get_drvdata(pdev);
+        int i;
-        clk_disable_unprepare(eth->clk_ethif);
+        /* stop all devices to make sure that dma is properly shut down */
-        clk_disable_unprepare(eth->clk_esw);
+        for (i = 0; i < MTK_MAC_COUNT; i++) {
-        clk_disable_unprepare(eth->clk_gp1);
+                if (!eth->netdev[i])
-        clk_disable_unprepare(eth->clk_gp2);
+                        continue;
+                mtk_stop(eth->netdev[i]);
+        }
+        clk_disable_unprepare(eth->clks[MTK_CLK_ETHIF]);
+        clk_disable_unprepare(eth->clks[MTK_CLK_ESW]);
+        clk_disable_unprepare(eth->clks[MTK_CLK_GP1]);
+        clk_disable_unprepare(eth->clks[MTK_CLK_GP2]);
        netif_napi_del(&eth->tx_napi);
        netif_napi_del(&eth->rx_napi);
        mtk_cleanup(eth);
+        mtk_mdio_cleanup(eth);
        platform_set_drvdata(pdev, NULL);
        return 0;
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index f82e3acb947b..6e1ade7a25c5 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -290,6 +290,17 @@ enum mtk_tx_flags {
        MTK_TX_FLAGS_PAGE0      = 0x02,
 };
+/* This enum allows us to identify how the clock is defined on the array of the
+ * clock in the order
+ */
+enum mtk_clks_map {
+        MTK_CLK_ETHIF,
+        MTK_CLK_ESW,
+        MTK_CLK_GP1,
+        MTK_CLK_GP2,
+        MTK_CLK_MAX
+};
 /* struct mtk_tx_buf -  This struct holds the pointers to the memory pointed at
 *                      by the TX descriptor    s
 * @skb:                The SKB pointer of the packet being sent
@@ -370,10 +381,7 @@ struct mtk_rx_ring {
 * @scratch_ring:       Newer SoCs need memory for a second HW managed TX ring
 * @phy_scratch_ring:   physical address of scratch_ring
 * @scratch_head:       The scratch memory that scratch_ring points to.
- * @clk_ethif:          The ethif clock
+ * @clks:               clock array for all clocks required
- * @clk_esw:            The switch clock
- * @clk_gp1:            The gmac1 clock
- * @clk_gp2:            The gmac2 clock
 * @mii_bus:            If there is a bus we need to create an instance for it
 * @pending_work:       The workqueue used to reset the dma ring
 */
@@ -400,10 +408,8 @@ struct mtk_eth {
        struct mtk_tx_dma               *scratch_ring;
        dma_addr_t                      phy_scratch_ring;
        void                            *scratch_head;
-        struct clk                      *clk_ethif;
+        struct clk                      *clks[MTK_CLK_MAX];
-        struct clk                      *clk_esw;
-        struct clk                      *clk_gp1;
-        struct clk                      *clk_gp2;
        struct mii_bus                  *mii_bus;
        struct work_struct              pending_work;
 };
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c b/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c
index 99c6bbdff501..b04760a5034b 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c
@@ -94,7 +94,7 @@ static u8 mlx4_en_dcbnl_getcap(struct net_device *dev, int capid, u8 *cap)
                *cap = true;
                break;
        case DCB_CAP_ATTR_DCBX:
-                *cap = priv->cee_params.dcbx_cap;
+                *cap = priv->dcbx_cap;
                break;
        case DCB_CAP_ATTR_PFC_TCS:
                *cap = 1 <<  mlx4_max_tc(priv->mdev->dev);
@@ -111,14 +111,14 @@ static u8 mlx4_en_dcbnl_getpfcstate(struct net_device *netdev)
 {
        struct mlx4_en_priv *priv = netdev_priv(netdev);
-        return priv->cee_params.dcb_cfg.pfc_state;
+        return priv->cee_config.pfc_state;
 }
 static void mlx4_en_dcbnl_setpfcstate(struct net_device *netdev, u8 state)
 {
        struct mlx4_en_priv *priv = netdev_priv(netdev);
-        priv->cee_params.dcb_cfg.pfc_state = state;
+        priv->cee_config.pfc_state = state;
 }
 static void mlx4_en_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority,
@@ -126,7 +126,7 @@ static void mlx4_en_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority,
 {
        struct mlx4_en_priv *priv = netdev_priv(netdev);
-        *setting = priv->cee_params.dcb_cfg.tc_config[priority].dcb_pfc;
+        *setting = priv->cee_config.dcb_pfc[priority];
 }
 static void mlx4_en_dcbnl_set_pfc_cfg(struct net_device *netdev, int priority,
@@ -134,8 +134,8 @@ static void mlx4_en_dcbnl_set_pfc_cfg(struct net_device *netdev, int priority,
 {
        struct mlx4_en_priv *priv = netdev_priv(netdev);
-        priv->cee_params.dcb_cfg.tc_config[priority].dcb_pfc = setting;
+        priv->cee_config.dcb_pfc[priority] = setting;
-        priv->cee_params.dcb_cfg.pfc_state = true;
+        priv->cee_config.pfc_state = true;
 }
 static int mlx4_en_dcbnl_getnumtcs(struct net_device *netdev, int tcid, u8 *num)
@@ -157,13 +157,11 @@ static u8 mlx4_en_dcbnl_set_all(struct net_device *netdev)
 {
        struct mlx4_en_priv *priv = netdev_priv(netdev);
        struct mlx4_en_dev *mdev = priv->mdev;
-        struct mlx4_en_cee_config *dcb_cfg = &priv->cee_params.dcb_cfg;
-        int err = 0;
-        if (!(priv->cee_params.dcbx_cap & DCB_CAP_DCBX_VER_CEE))
+        if (!(priv->dcbx_cap & DCB_CAP_DCBX_VER_CEE))
-                return -EINVAL;
+                return 1;
-        if (dcb_cfg->pfc_state) {
+        if (priv->cee_config.pfc_state) {
                int tc;
                priv->prof->rx_pause = 0;
@@ -171,7 +169,7 @@ static u8 mlx4_en_dcbnl_set_all(struct net_device *netdev)
                for (tc = 0; tc < CEE_DCBX_MAX_PRIO; tc++) {
                        u8 tc_mask = 1 << tc;
-                        switch (dcb_cfg->tc_config[tc].dcb_pfc) {
+                        switch (priv->cee_config.dcb_pfc[tc]) {
                        case pfc_disabled:
                                priv->prof->tx_ppp &= ~tc_mask;
                                priv->prof->rx_ppp &= ~tc_mask;
@@ -199,15 +197,17 @@ static u8 mlx4_en_dcbnl_set_all(struct net_device *netdev)
                en_dbg(DRV, priv, "Set pfc off\n");
        }
-        err = mlx4_SET_PORT_general(mdev->dev, priv->port,
+        if (mlx4_SET_PORT_general(mdev->dev, priv->port,
-                                    priv->rx_skb_size + ETH_FCS_LEN,
+                                  priv->rx_skb_size + ETH_FCS_LEN,
-                                    priv->prof->tx_pause,
+                                  priv->prof->tx_pause,
-                                    priv->prof->tx_ppp,
+                                  priv->prof->tx_ppp,
-                                    priv->prof->rx_pause,
+                                  priv->prof->rx_pause,
-                                    priv->prof->rx_ppp);
+                                  priv->prof->rx_ppp)) {
-        if (err)
                en_err(priv, "Failed setting pause params\n");
-        return err;
+                return 1;
+        }
+        return 0;
 }
 static u8 mlx4_en_dcbnl_get_state(struct net_device *dev)
@@ -225,7 +225,7 @@ static u8 mlx4_en_dcbnl_set_state(struct net_device *dev, u8 state)
        struct mlx4_en_priv *priv = netdev_priv(dev);
        int num_tcs = 0;
-        if (!(priv->cee_params.dcbx_cap & DCB_CAP_DCBX_VER_CEE))
+        if (!(priv->dcbx_cap & DCB_CAP_DCBX_VER_CEE))
                return 1;
        if (!!(state) == !!(priv->flags & MLX4_EN_FLAG_DCB_ENABLED))
@@ -238,7 +238,10 @@ static u8 mlx4_en_dcbnl_set_state(struct net_device *dev, u8 state)
                priv->flags &= ~MLX4_EN_FLAG_DCB_ENABLED;
        }
-        return mlx4_en_setup_tc(dev, num_tcs);
+        if (mlx4_en_setup_tc(dev, num_tcs))
+                return 1;
+        return 0;
 }
 /* On success returns a non-zero 802.1p user priority bitmap
@@ -252,7 +255,7 @@ static int mlx4_en_dcbnl_getapp(struct net_device *netdev, u8 idtype, u16 id)
                                .selector = idtype,
                                .protocol = id,
                             };
-        if (!(priv->cee_params.dcbx_cap & DCB_CAP_DCBX_VER_CEE))
+        if (!(priv->dcbx_cap & DCB_CAP_DCBX_VER_CEE))
                return 0;
        return dcb_getapp(netdev, &app);
@@ -264,7 +267,7 @@ static int mlx4_en_dcbnl_setapp(struct net_device *netdev, u8 idtype,
        struct mlx4_en_priv *priv = netdev_priv(netdev);
        struct dcb_app app;
-        if (!(priv->cee_params.dcbx_cap & DCB_CAP_DCBX_VER_CEE))
+        if (!(priv->dcbx_cap & DCB_CAP_DCBX_VER_CEE))
                return -EINVAL;
        memset(&app, 0, sizeof(struct dcb_app));
@@ -433,7 +436,7 @@ static u8 mlx4_en_dcbnl_getdcbx(struct net_device *dev)
 {
        struct mlx4_en_priv *priv = netdev_priv(dev);
-        return priv->cee_params.dcbx_cap;
+        return priv->dcbx_cap;
 }
 static u8 mlx4_en_dcbnl_setdcbx(struct net_device *dev, u8 mode)
@@ -442,7 +445,7 @@ static u8 mlx4_en_dcbnl_setdcbx(struct net_device *dev, u8 mode)
        struct ieee_ets ets = {0};
        struct ieee_pfc pfc = {0};
-        if (mode == priv->cee_params.dcbx_cap)
+        if (mode == priv->dcbx_cap)
                return 0;
        if ((mode & DCB_CAP_DCBX_LLD_MANAGED) ||
@@ -451,7 +454,7 @@ static u8 mlx4_en_dcbnl_setdcbx(struct net_device *dev, u8 mode)
            !(mode & DCB_CAP_DCBX_HOST))
                goto err;
-        priv->cee_params.dcbx_cap = mode;
+        priv->dcbx_cap = mode;
        ets.ets_cap = IEEE_8021QAZ_MAX_TCS;
        pfc.pfc_cap = IEEE_8021QAZ_MAX_TCS;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 4198e9bf89d0..fedb829276f4 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -71,10 +71,11 @@ int mlx4_en_setup_tc(struct net_device *dev, u8 up)
 #ifdef CONFIG_MLX4_EN_DCB
        if (!mlx4_is_slave(priv->mdev->dev)) {
                if (up) {
-                        priv->flags |= MLX4_EN_FLAG_DCB_ENABLED;
+                        if (priv->dcbx_cap)
+                                priv->flags |= MLX4_EN_FLAG_DCB_ENABLED;
                } else {
                        priv->flags &= ~MLX4_EN_FLAG_DCB_ENABLED;
-                        priv->cee_params.dcb_cfg.pfc_state = false;
+                        priv->cee_config.pfc_state = false;
                }
        }
 #endif /* CONFIG_MLX4_EN_DCB */
@@ -3048,9 +3049,6 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
        struct mlx4_en_priv *priv;
        int i;
        int err;
-#ifdef CONFIG_MLX4_EN_DCB
-        struct tc_configuration *tc;
-#endif
        dev = alloc_etherdev_mqs(sizeof(struct mlx4_en_priv),
                                 MAX_TX_RINGS, MAX_RX_RINGS);
@@ -3117,16 +3115,13 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
        priv->msg_enable = MLX4_EN_MSG_LEVEL;
 #ifdef CONFIG_MLX4_EN_DCB
        if (!mlx4_is_slave(priv->mdev->dev)) {
-                priv->cee_params.dcbx_cap = DCB_CAP_DCBX_VER_CEE |
+                priv->dcbx_cap = DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_HOST |
-                                            DCB_CAP_DCBX_HOST |
+                        DCB_CAP_DCBX_VER_IEEE;
-                                            DCB_CAP_DCBX_VER_IEEE;
                priv->flags |= MLX4_EN_DCB_ENABLED;
-                priv->cee_params.dcb_cfg.pfc_state = false;
+                priv->cee_config.pfc_state = false;
-                for (i = 0; i < MLX4_EN_NUM_UP; i++) {
+                for (i = 0; i < MLX4_EN_NUM_UP; i++)
-                        tc = &priv->cee_params.dcb_cfg.tc_config[i];
+                        priv->cee_config.dcb_pfc[i] = pfc_disabled;
-                        tc->dcb_pfc = pfc_disabled;
-                }
                if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG) {
                        dev->dcbnl_ops = &mlx4_en_dcbnl_ops;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index 9df87ca0515a..e2509bba3e7c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -818,7 +818,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
        real_size = get_real_size(skb, shinfo, dev, &lso_header_size,
                                  &inline_ok, &fragptr);
        if (unlikely(!real_size))
-                goto tx_drop;
+                goto tx_drop_count;
        /* Align descriptor to TXBB size */
        desc_size = ALIGN(real_size, TXBB_SIZE);
@@ -826,7 +826,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
        if (unlikely(nr_txbb > MAX_DESC_TXBBS)) {
                if (netif_msg_tx_err(priv))
                        en_warn(priv, "Oversized header or SG list\n");
-                goto tx_drop;
+                goto tx_drop_count;
        }
        bf_ok = ring->bf_enabled;
@@ -1071,9 +1071,10 @@ tx_drop_unmap:
                               PCI_DMA_TODEVICE);
        }
+tx_drop_count:
+        ring->tx_dropped++;
 tx_drop:
        dev_kfree_skb_any(skb);
-        ring->tx_dropped++;
        return NETDEV_TX_OK;
 }
@@ -1106,7 +1107,7 @@ netdev_tx_t mlx4_en_xmit_frame(struct mlx4_en_rx_alloc *frame,
                goto tx_drop;
        if (mlx4_en_is_tx_ring_full(ring))
-                goto tx_drop;
+                goto tx_drop_count;
        /* fetch ring->cons far ahead before needing it to avoid stall */
        ring_cons = READ_ONCE(ring->cons);
@@ -1176,7 +1177,8 @@ netdev_tx_t mlx4_en_xmit_frame(struct mlx4_en_rx_alloc *frame,
        return NETDEV_TX_OK;
-tx_drop:
+tx_drop_count:
        ring->tx_dropped++;
+tx_drop:
        return NETDEV_TX_BUSY;
 }
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index 2c2913dcae98..9099dbd04951 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -482,20 +482,10 @@ enum dcb_pfc_type {
        pfc_enabled_rx
 };
-struct tc_configuration {
-        enum dcb_pfc_type  dcb_pfc;
-};
 struct mlx4_en_cee_config {
        bool    pfc_state;
-        struct  tc_configuration tc_config[MLX4_EN_NUM_UP];
+        enum    dcb_pfc_type dcb_pfc[MLX4_EN_NUM_UP];
 };
-struct mlx4_en_cee_params {
-        u8 dcbx_cap;
-        struct mlx4_en_cee_config dcb_cfg;
-};
 #endif
 struct ethtool_flow_id {
@@ -624,7 +614,8 @@ struct mlx4_en_priv {
        struct ieee_ets ets;
        u16 maxrate[IEEE_8021QAZ_MAX_TCS];
        enum dcbnl_cndd_states cndd_state[IEEE_8021QAZ_MAX_TCS];
-        struct mlx4_en_cee_params cee_params;
+        struct mlx4_en_cee_config cee_config;
+        u8 dcbx_cap;
 #endif
 #ifdef CONFIG_RFS_ACCEL
        spinlock_t filters_lock;
diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c
index 3d2095e5c61c..c5b2064297a1 100644
--- a/drivers/net/ethernet/mellanox/mlx4/port.c
+++ b/drivers/net/ethernet/mellanox/mlx4/port.c
@@ -52,7 +52,7 @@
 #define MLX4_FLAG_V_IGNORE_FCS_MASK             0x2
 #define MLX4_IGNORE_FCS_MASK                    0x1
-#define MLNX4_TX_MAX_NUMBER                     8
+#define MLX4_TC_MAX_NUMBER                      8
 void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table)
 {
@@ -2022,7 +2022,7 @@ int mlx4_max_tc(struct mlx4_dev *dev)
        u8 num_tc = dev->caps.max_tc_eth;
        if (!num_tc)
-                num_tc = MLNX4_TX_MAX_NUMBER;
+                num_tc = MLX4_TC_MAX_NUMBER;
        return num_tc;
 }
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index d0cf8fa22659..7a346bb2ed00 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -331,7 +331,7 @@ static void mlx5e_get_ethtool_stats(struct net_device *dev,
        if (mlx5e_query_global_pause_combined(priv)) {
                for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) {
                        data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.per_prio_counters[0],
-                                                          pport_per_prio_pfc_stats_desc, 0);
+                                                          pport_per_prio_pfc_stats_desc, i);
                }
        }
@@ -659,9 +659,10 @@ out:
 static void ptys2ethtool_supported_link(unsigned long *supported_modes,
                                        u32 eth_proto_cap)
 {
+        unsigned long proto_cap = eth_proto_cap;
        int proto;
-        for_each_set_bit(proto, (unsigned long *)&eth_proto_cap, MLX5E_LINK_MODES_NUMBER)
+        for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER)
                bitmap_or(supported_modes, supported_modes,
                          ptys2ethtool_table[proto].supported,
                          __ETHTOOL_LINK_MODE_MASK_NBITS);
@@ -670,9 +671,10 @@ static void ptys2ethtool_supported_link(unsigned long *supported_modes,
 static void ptys2ethtool_adver_link(unsigned long *advertising_modes,
                                    u32 eth_proto_cap)
 {
+        unsigned long proto_cap = eth_proto_cap;
        int proto;
-        for_each_set_bit(proto, (unsigned long *)&eth_proto_cap, MLX5E_LINK_MODES_NUMBER)
+        for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER)
                bitmap_or(advertising_modes, advertising_modes,
                          ptys2ethtool_table[proto].advertised,
                          __ETHTOOL_LINK_MODE_MASK_NBITS);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index b6f8ebbdb487..e7c969df3dad 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -637,24 +637,32 @@ bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq)
 static void mlx5e_lro_update_hdr(struct sk_buff *skb, struct mlx5_cqe64 *cqe,
                                 u32 cqe_bcnt)
 {
-        struct ethhdr   *eth    = (struct ethhdr *)(skb->data);
+        struct ethhdr   *eth = (struct ethhdr *)(skb->data);
-        struct iphdr    *ipv4   = (struct iphdr *)(skb->data + ETH_HLEN);
+        struct iphdr    *ipv4;
-        struct ipv6hdr  *ipv6   = (struct ipv6hdr *)(skb->data + ETH_HLEN);
+        struct ipv6hdr  *ipv6;
        struct tcphdr   *tcp;
+        int network_depth = 0;
+        __be16 proto;
+        u16 tot_len;
        u8 l4_hdr_type = get_cqe_l4_hdr_type(cqe);
        int tcp_ack = ((CQE_L4_HDR_TYPE_TCP_ACK_NO_DATA  == l4_hdr_type) ||
                       (CQE_L4_HDR_TYPE_TCP_ACK_AND_DATA == l4_hdr_type));
-        u16 tot_len = cqe_bcnt - ETH_HLEN;
+        skb->mac_len = ETH_HLEN;
+        proto = __vlan_get_protocol(skb, eth->h_proto, &network_depth);
-        if (eth->h_proto == htons(ETH_P_IP)) {
+        ipv4 = (struct iphdr *)(skb->data + network_depth);
-                tcp = (struct tcphdr *)(skb->data + ETH_HLEN +
+        ipv6 = (struct ipv6hdr *)(skb->data + network_depth);
+        tot_len = cqe_bcnt - network_depth;
+        if (proto == htons(ETH_P_IP)) {
+                tcp = (struct tcphdr *)(skb->data + network_depth +
                                        sizeof(struct iphdr));
                ipv6 = NULL;
                skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4;
        } else {
-                tcp = (struct tcphdr *)(skb->data + ETH_HLEN +
+                tcp = (struct tcphdr *)(skb->data + network_depth +
                                        sizeof(struct ipv6hdr));
                ipv4 = NULL;
                skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
index 988eca99ee0f..eb0e72537f10 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
@@ -356,6 +356,7 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb)
                sq->stats.stopped++;
        }
+        sq->stats.xmit_more += skb->xmit_more;
        if (!skb->xmit_more || netif_xmit_stopped(sq->txq)) {
                int bf_sz = 0;
@@ -375,7 +376,6 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb)
        sq->stats.packets++;
        sq->stats.bytes += num_bytes;
-        sq->stats.xmit_more += skb->xmit_more;
        return NETDEV_TX_OK;
 dma_unmap_wqe_err:
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 7291f2c4b0c7..d48873bcbddf 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -56,6 +56,7 @@
 #include <generated/utsrelease.h>
 #include <net/pkt_cls.h>
 #include <net/tc_act/tc_mirred.h>
+#include <net/netevent.h>
 #include "spectrum.h"
 #include "core.h"
@@ -2105,6 +2106,13 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port,
        dev->netdev_ops = &mlxsw_sp_port_netdev_ops;
        dev->ethtool_ops = &mlxsw_sp_port_ethtool_ops;
+        err = mlxsw_sp_port_swid_set(mlxsw_sp_port, 0);
+        if (err) {
+                dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set SWID\n",
+                        mlxsw_sp_port->local_port);
+                goto err_port_swid_set;
+        }
        err = mlxsw_sp_port_dev_addr_init(mlxsw_sp_port);
        if (err) {
                dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unable to init port mac address\n",
@@ -2130,13 +2138,6 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port,
                goto err_port_system_port_mapping_set;
        }
-        err = mlxsw_sp_port_swid_set(mlxsw_sp_port, 0);
-        if (err) {
-                dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set SWID\n",
-                        mlxsw_sp_port->local_port);
-                goto err_port_swid_set;
-        }
        err = mlxsw_sp_port_speed_by_width_set(mlxsw_sp_port, width);
        if (err) {
                dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to enable speeds\n",
@@ -2218,10 +2219,10 @@ err_port_buffers_init:
 err_port_admin_status_set:
 err_port_mtu_set:
 err_port_speed_by_width_set:
-        mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT);
-err_port_swid_set:
 err_port_system_port_mapping_set:
 err_dev_addr_init:
+        mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT);
+err_port_swid_set:
        free_percpu(mlxsw_sp_port->pcpu_stats);
 err_alloc_stats:
        kfree(mlxsw_sp_port->untagged_vlans);
@@ -4541,18 +4542,26 @@ static struct notifier_block mlxsw_sp_inetaddr_nb __read_mostly = {
        .priority = 10, /* Must be called before FIB notifier block */
 };
+static struct notifier_block mlxsw_sp_router_netevent_nb __read_mostly = {
+        .notifier_call = mlxsw_sp_router_netevent_event,
+};
 static int __init mlxsw_sp_module_init(void)
 {
        int err;
        register_netdevice_notifier(&mlxsw_sp_netdevice_nb);
        register_inetaddr_notifier(&mlxsw_sp_inetaddr_nb);
+        register_netevent_notifier(&mlxsw_sp_router_netevent_nb);
        err = mlxsw_core_driver_register(&mlxsw_sp_driver);
        if (err)
                goto err_core_driver_register;
        return 0;
 err_core_driver_register:
+        unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb);
+        unregister_inetaddr_notifier(&mlxsw_sp_inetaddr_nb);
        unregister_netdevice_notifier(&mlxsw_sp_netdevice_nb);
        return err;
 }
@@ -4560,6 +4569,7 @@ err_core_driver_register:
 static void __exit mlxsw_sp_module_exit(void)
 {
        mlxsw_core_driver_unregister(&mlxsw_sp_driver);
+        unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb);
        unregister_inetaddr_notifier(&mlxsw_sp_inetaddr_nb);
        unregister_netdevice_notifier(&mlxsw_sp_netdevice_nb);
 }
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
index ab3feb81bd43..ac48abebe904 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
@@ -587,6 +587,8 @@ int mlxsw_sp_router_neigh_construct(struct net_device *dev,
                                    struct neighbour *n);
 void mlxsw_sp_router_neigh_destroy(struct net_device *dev,
                                   struct neighbour *n);
+int mlxsw_sp_router_netevent_event(struct notifier_block *unused,
+                                   unsigned long event, void *ptr);
 int mlxsw_sp_kvdl_alloc(struct mlxsw_sp *mlxsw_sp, unsigned int entry_count);
 void mlxsw_sp_kvdl_free(struct mlxsw_sp *mlxsw_sp, int entry_index);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index 917ddd1e422f..3f5c51da6d3e 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -107,6 +107,7 @@ mlxsw_sp_prefix_usage_clear(struct mlxsw_sp_prefix_usage *prefix_usage,
 }
 struct mlxsw_sp_fib_key {
+        struct net_device *dev;
        unsigned char addr[sizeof(struct in6_addr)];
        unsigned char prefix_len;
 };
@@ -123,7 +124,7 @@ struct mlxsw_sp_fib_entry {
        struct rhash_head ht_node;
        struct mlxsw_sp_fib_key key;
        enum mlxsw_sp_fib_entry_type type;
-        u8 added:1;
+        unsigned int ref_count;
        u16 rif; /* used for action local */
        struct mlxsw_sp_vr *vr;
        struct list_head nexthop_group_node;
@@ -171,13 +172,15 @@ static void mlxsw_sp_fib_entry_remove(struct mlxsw_sp_fib *fib,
 static struct mlxsw_sp_fib_entry *
 mlxsw_sp_fib_entry_create(struct mlxsw_sp_fib *fib, const void *addr,
-                          size_t addr_len, unsigned char prefix_len)
+                          size_t addr_len, unsigned char prefix_len,
+                          struct net_device *dev)
 {
        struct mlxsw_sp_fib_entry *fib_entry;
        fib_entry = kzalloc(sizeof(*fib_entry), GFP_KERNEL);
        if (!fib_entry)
                return NULL;
+        fib_entry->key.dev = dev;
        memcpy(fib_entry->key.addr, addr, addr_len);
        fib_entry->key.prefix_len = prefix_len;
        return fib_entry;
@@ -190,10 +193,13 @@ static void mlxsw_sp_fib_entry_destroy(struct mlxsw_sp_fib_entry *fib_entry)
 static struct mlxsw_sp_fib_entry *
 mlxsw_sp_fib_entry_lookup(struct mlxsw_sp_fib *fib, const void *addr,
-                          size_t addr_len, unsigned char prefix_len)
+                          size_t addr_len, unsigned char prefix_len,
+                          struct net_device *dev)
 {
-        struct mlxsw_sp_fib_key key = {{ 0 } };
+        struct mlxsw_sp_fib_key key;
+        memset(&key, 0, sizeof(key));
+        key.dev = dev;
        memcpy(key.addr, addr, addr_len);
        key.prefix_len = prefix_len;
        return rhashtable_lookup_fast(&fib->ht, &key, mlxsw_sp_fib_ht_params);
@@ -938,8 +944,8 @@ static void mlxsw_sp_router_neigh_update_hw(struct work_struct *work)
        mlxsw_sp_port_dev_put(mlxsw_sp_port);
 }
-static int mlxsw_sp_router_netevent_event(struct notifier_block *unused,
+int mlxsw_sp_router_netevent_event(struct notifier_block *unused,
-                                          unsigned long event, void *ptr)
+                                   unsigned long event, void *ptr)
 {
        struct mlxsw_sp_neigh_entry *neigh_entry;
        struct mlxsw_sp_port *mlxsw_sp_port;
@@ -1009,10 +1015,6 @@ static int mlxsw_sp_router_netevent_event(struct notifier_block *unused,
        return NOTIFY_DONE;
 }
-static struct notifier_block mlxsw_sp_router_netevent_nb __read_mostly = {
-        .notifier_call = mlxsw_sp_router_netevent_event,
-};
 static int mlxsw_sp_neigh_init(struct mlxsw_sp *mlxsw_sp)
 {
        int err;
@@ -1027,10 +1029,6 @@ static int mlxsw_sp_neigh_init(struct mlxsw_sp *mlxsw_sp)
         */
        mlxsw_sp_router_neighs_update_interval_init(mlxsw_sp);
-        err = register_netevent_notifier(&mlxsw_sp_router_netevent_nb);
-        if (err)
-                goto err_register_netevent_notifier;
        /* Create the delayed works for the activity_update */
        INIT_DELAYED_WORK(&mlxsw_sp->router.neighs_update.dw,
                          mlxsw_sp_router_neighs_update_work);
@@ -1039,17 +1037,12 @@ static int mlxsw_sp_neigh_init(struct mlxsw_sp *mlxsw_sp)
        mlxsw_core_schedule_dw(&mlxsw_sp->router.neighs_update.dw, 0);
        mlxsw_core_schedule_dw(&mlxsw_sp->router.nexthop_probe_dw, 0);
        return 0;
-err_register_netevent_notifier:
-        rhashtable_destroy(&mlxsw_sp->router.neigh_ht);
-        return err;
 }
 static void mlxsw_sp_neigh_fini(struct mlxsw_sp *mlxsw_sp)
 {
        cancel_delayed_work_sync(&mlxsw_sp->router.neighs_update.dw);
        cancel_delayed_work_sync(&mlxsw_sp->router.nexthop_probe_dw);
-        unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb);
        rhashtable_destroy(&mlxsw_sp->router.neigh_ht);
 }
@@ -1524,7 +1517,14 @@ int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp)
                return err;
        mlxsw_sp_lpm_init(mlxsw_sp);
        mlxsw_sp_vrs_init(mlxsw_sp);
-        return mlxsw_sp_neigh_init(mlxsw_sp);
+        err = mlxsw_sp_neigh_init(mlxsw_sp);
+        if (err)
+                goto err_neigh_init;
+        return 0;
+err_neigh_init:
+        __mlxsw_sp_router_fini(mlxsw_sp);
+        return err;
 }
 void mlxsw_sp_router_fini(struct mlxsw_sp *mlxsw_sp)
@@ -1626,11 +1626,8 @@ static int mlxsw_sp_fib_entry_op(struct mlxsw_sp *mlxsw_sp,
 static int mlxsw_sp_fib_entry_update(struct mlxsw_sp *mlxsw_sp,
                                     struct mlxsw_sp_fib_entry *fib_entry)
 {
-        enum mlxsw_reg_ralue_op op;
+        return mlxsw_sp_fib_entry_op(mlxsw_sp, fib_entry,
+                                     MLXSW_REG_RALUE_OP_WRITE_WRITE);
-        op = !fib_entry->added ? MLXSW_REG_RALUE_OP_WRITE_WRITE :
-                                 MLXSW_REG_RALUE_OP_WRITE_UPDATE;
-        return mlxsw_sp_fib_entry_op(mlxsw_sp, fib_entry, op);
 }
 static int mlxsw_sp_fib_entry_del(struct mlxsw_sp *mlxsw_sp,
@@ -1695,34 +1692,93 @@ mlxsw_sp_router_fib4_entry_fini(struct mlxsw_sp *mlxsw_sp,
        mlxsw_sp_nexthop_group_put(mlxsw_sp, fib_entry);
 }
-static int
+static struct mlxsw_sp_fib_entry *
-mlxsw_sp_router_fib4_add_prepare(struct mlxsw_sp_port *mlxsw_sp_port,
+mlxsw_sp_fib_entry_get(struct mlxsw_sp *mlxsw_sp,
-                                 const struct switchdev_obj_ipv4_fib *fib4,
+                       const struct switchdev_obj_ipv4_fib *fib4)
-                                 struct switchdev_trans *trans)
 {
-        struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
-        struct mlxsw_sp_router_fib4_add_info *info;
        struct mlxsw_sp_fib_entry *fib_entry;
+        struct fib_info *fi = fib4->fi;
        struct mlxsw_sp_vr *vr;
        int err;
        vr = mlxsw_sp_vr_get(mlxsw_sp, fib4->dst_len, fib4->tb_id,
                             MLXSW_SP_L3_PROTO_IPV4);
        if (IS_ERR(vr))
-                return PTR_ERR(vr);
+                return ERR_CAST(vr);
+        fib_entry = mlxsw_sp_fib_entry_lookup(vr->fib, &fib4->dst,
+                                              sizeof(fib4->dst),
+                                              fib4->dst_len, fi->fib_dev);
+        if (fib_entry) {
+                /* Already exists, just take a reference */
+                fib_entry->ref_count++;
+                return fib_entry;
+        }
        fib_entry = mlxsw_sp_fib_entry_create(vr->fib, &fib4->dst,
-                                              sizeof(fib4->dst), fib4->dst_len);
+                                              sizeof(fib4->dst),
+                                              fib4->dst_len, fi->fib_dev);
        if (!fib_entry) {
                err = -ENOMEM;
                goto err_fib_entry_create;
        }
        fib_entry->vr = vr;
+        fib_entry->ref_count = 1;
        err = mlxsw_sp_router_fib4_entry_init(mlxsw_sp, fib4, fib_entry);
        if (err)
                goto err_fib4_entry_init;
+        return fib_entry;
+err_fib4_entry_init:
+        mlxsw_sp_fib_entry_destroy(fib_entry);
+err_fib_entry_create:
+        mlxsw_sp_vr_put(mlxsw_sp, vr);
+        return ERR_PTR(err);
+}
+static struct mlxsw_sp_fib_entry *
+mlxsw_sp_fib_entry_find(struct mlxsw_sp *mlxsw_sp,
+                        const struct switchdev_obj_ipv4_fib *fib4)
+{
+        struct mlxsw_sp_vr *vr;
+        vr = mlxsw_sp_vr_find(mlxsw_sp, fib4->tb_id, MLXSW_SP_L3_PROTO_IPV4);
+        if (!vr)
+                return NULL;
+        return mlxsw_sp_fib_entry_lookup(vr->fib, &fib4->dst,
+                                         sizeof(fib4->dst), fib4->dst_len,
+                                         fib4->fi->fib_dev);
+}
+void mlxsw_sp_fib_entry_put(struct mlxsw_sp *mlxsw_sp,
+                            struct mlxsw_sp_fib_entry *fib_entry)
+{
+        struct mlxsw_sp_vr *vr = fib_entry->vr;
+        if (--fib_entry->ref_count == 0) {
+                mlxsw_sp_router_fib4_entry_fini(mlxsw_sp, fib_entry);
+                mlxsw_sp_fib_entry_destroy(fib_entry);
+        }
+        mlxsw_sp_vr_put(mlxsw_sp, vr);
+}
+static int
+mlxsw_sp_router_fib4_add_prepare(struct mlxsw_sp_port *mlxsw_sp_port,
+                                 const struct switchdev_obj_ipv4_fib *fib4,
+                                 struct switchdev_trans *trans)
+{
+        struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
+        struct mlxsw_sp_router_fib4_add_info *info;
+        struct mlxsw_sp_fib_entry *fib_entry;
+        int err;
+        fib_entry = mlxsw_sp_fib_entry_get(mlxsw_sp, fib4);
+        if (IS_ERR(fib_entry))
+                return PTR_ERR(fib_entry);
        info = kmalloc(sizeof(*info), GFP_KERNEL);
        if (!info) {
                err = -ENOMEM;
@@ -1736,11 +1792,7 @@ mlxsw_sp_router_fib4_add_prepare(struct mlxsw_sp_port *mlxsw_sp_port,
        return 0;
 err_alloc_info:
-        mlxsw_sp_router_fib4_entry_fini(mlxsw_sp, fib_entry);
+        mlxsw_sp_fib_entry_put(mlxsw_sp, fib_entry);
-err_fib4_entry_init:
-        mlxsw_sp_fib_entry_destroy(fib_entry);
-err_fib_entry_create:
-        mlxsw_sp_vr_put(mlxsw_sp, vr);
        return err;
 }
@@ -1759,11 +1811,14 @@ mlxsw_sp_router_fib4_add_commit(struct mlxsw_sp_port *mlxsw_sp_port,
        fib_entry = info->fib_entry;
        kfree(info);
+        if (fib_entry->ref_count != 1)
+                return 0;
        vr = fib_entry->vr;
-        err = mlxsw_sp_fib_entry_insert(fib_entry->vr->fib, fib_entry);
+        err = mlxsw_sp_fib_entry_insert(vr->fib, fib_entry);
        if (err)
                goto err_fib_entry_insert;
-        err = mlxsw_sp_fib_entry_update(mlxsw_sp, fib_entry);
+        err = mlxsw_sp_fib_entry_update(mlxsw_sp_port->mlxsw_sp, fib_entry);
        if (err)
                goto err_fib_entry_add;
        return 0;
@@ -1771,9 +1826,7 @@ mlxsw_sp_router_fib4_add_commit(struct mlxsw_sp_port *mlxsw_sp_port,
 err_fib_entry_add:
        mlxsw_sp_fib_entry_remove(vr->fib, fib_entry);
 err_fib_entry_insert:
-        mlxsw_sp_router_fib4_entry_fini(mlxsw_sp, fib_entry);
+        mlxsw_sp_fib_entry_put(mlxsw_sp, fib_entry);
-        mlxsw_sp_fib_entry_destroy(fib_entry);
-        mlxsw_sp_vr_put(mlxsw_sp, vr);
        return err;
 }
@@ -1793,23 +1846,18 @@ int mlxsw_sp_router_fib4_del(struct mlxsw_sp_port *mlxsw_sp_port,
 {
        struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
        struct mlxsw_sp_fib_entry *fib_entry;
-        struct mlxsw_sp_vr *vr;
-        vr = mlxsw_sp_vr_find(mlxsw_sp, fib4->tb_id, MLXSW_SP_L3_PROTO_IPV4);
+        fib_entry = mlxsw_sp_fib_entry_find(mlxsw_sp, fib4);
-        if (!vr) {
-                dev_warn(mlxsw_sp->bus_info->dev, "Failed to find virtual router for FIB4 entry being removed.\n");
-                return -ENOENT;
-        }
-        fib_entry = mlxsw_sp_fib_entry_lookup(vr->fib, &fib4->dst,
-                                              sizeof(fib4->dst), fib4->dst_len);
        if (!fib_entry) {
                dev_warn(mlxsw_sp->bus_info->dev, "Failed to find FIB4 entry being removed.\n");
                return -ENOENT;
        }
-        mlxsw_sp_fib_entry_del(mlxsw_sp_port->mlxsw_sp, fib_entry);
-        mlxsw_sp_fib_entry_remove(vr->fib, fib_entry);
+        if (fib_entry->ref_count == 1) {
-        mlxsw_sp_router_fib4_entry_fini(mlxsw_sp, fib_entry);
+                mlxsw_sp_fib_entry_del(mlxsw_sp, fib_entry);
-        mlxsw_sp_fib_entry_destroy(fib_entry);
+                mlxsw_sp_fib_entry_remove(fib_entry->vr->fib, fib_entry);
-        mlxsw_sp_vr_put(mlxsw_sp, vr);
+        }
+        mlxsw_sp_fib_entry_put(mlxsw_sp, fib_entry);
        return 0;
 }
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index d1b59cdfacc1..7b654c517b91 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -167,8 +167,8 @@ static int mlxsw_sp_port_attr_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port,
 }
 static int __mlxsw_sp_port_flood_set(struct mlxsw_sp_port *mlxsw_sp_port,
-                                     u16 idx_begin, u16 idx_end, bool set,
+                                     u16 idx_begin, u16 idx_end, bool uc_set,
-                                     bool only_uc)
+                                     bool bm_set)
 {
        struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
        u16 local_port = mlxsw_sp_port->local_port;
@@ -187,28 +187,22 @@ static int __mlxsw_sp_port_flood_set(struct mlxsw_sp_port *mlxsw_sp_port,
                return -ENOMEM;
        mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_UC, idx_begin,
-                            table_type, range, local_port, set);
+                            table_type, range, local_port, uc_set);
        err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl);
        if (err)
                goto buffer_out;
-        /* Flooding control allows one to decide whether a given port will
-         * flood unicast traffic for which there is no FDB entry.
-         */
-        if (only_uc)
-                goto buffer_out;
        mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_BM, idx_begin,
-                            table_type, range, local_port, set);
+                            table_type, range, local_port, bm_set);
        err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl);
        if (err)
                goto err_flood_bm_set;
-        else
-                goto buffer_out;
+        goto buffer_out;
 err_flood_bm_set:
        mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_UC, idx_begin,
-                            table_type, range, local_port, !set);
+                            table_type, range, local_port, !uc_set);
        mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl);
 buffer_out:
        kfree(sftr_pl);
@@ -257,8 +251,7 @@ int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port *mlxsw_sp_vport, u16 fid,
         * the start of the vFIDs range.
         */
        vfid = mlxsw_sp_fid_to_vfid(fid);
-        return __mlxsw_sp_port_flood_set(mlxsw_sp_vport, vfid, vfid, set,
+        return __mlxsw_sp_port_flood_set(mlxsw_sp_vport, vfid, vfid, set, set);
-                                         false);
 }
 static int mlxsw_sp_port_attr_br_flags_set(struct mlxsw_sp_port *mlxsw_sp_port,
@@ -460,6 +453,9 @@ static int __mlxsw_sp_port_fid_join(struct mlxsw_sp_port *mlxsw_sp_port,
 {
        struct mlxsw_sp_fid *f;
+        if (test_bit(fid, mlxsw_sp_port->active_vlans))
+                return 0;
        f = mlxsw_sp_fid_find(mlxsw_sp_port->mlxsw_sp, fid);
        if (!f) {
                f = mlxsw_sp_fid_create(mlxsw_sp_port->mlxsw_sp, fid);
@@ -517,7 +513,7 @@ static int mlxsw_sp_port_fid_join(struct mlxsw_sp_port *mlxsw_sp_port,
        }
        err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, fid_begin, fid_end,
-                                        true, false);
+                                        mlxsw_sp_port->uc_flood, true);
        if (err)
                goto err_port_flood_set;
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index 88678c172b19..252e4924de0f 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -41,7 +41,6 @@
 *          Chris Telfer <chris.telfer@netronome.com>
 */
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
@@ -1441,10 +1440,6 @@ static int nfp_net_rx(struct nfp_net_rx_ring *rx_ring, int budget)
                nfp_net_set_hash(nn->netdev, skb, rxd);
-                /* Pad small frames to minimum */
-                if (skb_put_padto(skb, 60))
-                        break;
                /* Stats update */
                u64_stats_update_begin(&r_vec->rx_sync);
                r_vec->rx_pkts++;
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
index 7d7933d00b8f..4c9897220969 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
@@ -40,7 +40,6 @@
 *          Brad Petrus <brad.petrus@netronome.com>
 */
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c b/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c
index 37abef016a0a..f7062cb648e1 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c
@@ -38,7 +38,6 @@
 *         Rolf Neugebauer <rolf.neugebauer@netronome.com>
 */
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
@@ -134,7 +133,7 @@ static int nfp_netvf_pci_probe(struct pci_dev *pdev,
        }
        nfp_net_get_fw_version(&fw_ver, ctrl_bar);
-        if (fw_ver.class != NFP_NET_CFG_VERSION_CLASS_GENERIC) {
+        if (fw_ver.resv || fw_ver.class != NFP_NET_CFG_VERSION_CLASS_GENERIC) {
                dev_err(&pdev->dev, "Unknown Firmware ABI %d.%d.%d.%d\n",
                        fw_ver.resv, fw_ver.class, fw_ver.major, fw_ver.minor);
                err = -EINVAL;
@@ -142,9 +141,7 @@ static int nfp_netvf_pci_probe(struct pci_dev *pdev,
        }
        /* Determine stride */
-        if (nfp_net_fw_ver_eq(&fw_ver, 0, 0, 0, 0) ||
+        if (nfp_net_fw_ver_eq(&fw_ver, 0, 0, 0, 1)) {
-            nfp_net_fw_ver_eq(&fw_ver, 0, 0, 0, 1) ||
-            nfp_net_fw_ver_eq(&fw_ver, 0, 0, 0x12, 0x48)) {
                stride = 2;
                tx_bar_no = NFP_NET_Q0_BAR;
                rx_bar_no = NFP_NET_Q1_BAR;
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
index 226cb08cc055..3656d2fd673d 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
@@ -19,6 +19,7 @@
 #include "qed_dcbx.h"
 #include "qed_hsi.h"
 #include "qed_sp.h"
+#include "qed_sriov.h"
 #ifdef CONFIG_DCB
 #include <linux/qed/qed_eth_if.h>
 #endif
@@ -945,6 +946,9 @@ static int qed_dcbx_query_params(struct qed_hwfn *p_hwfn,
        struct qed_ptt *p_ptt;
        int rc;
+        if (IS_VF(p_hwfn->cdev))
+                return -EINVAL;
        p_ptt = qed_ptt_acquire(p_hwfn);
        if (!p_ptt)
                return -EBUSY;
@@ -984,6 +988,7 @@ qed_dcbx_set_pfc_data(struct qed_hwfn *p_hwfn,
                if (p_params->pfc.prio[i])
                        pfc_map |= BIT(i);
+        *pfc &= ~DCBX_PFC_PRI_EN_BITMAP_MASK;
        *pfc |= (pfc_map << DCBX_PFC_PRI_EN_BITMAP_SHIFT);
        DP_VERBOSE(p_hwfn, QED_MSG_DCB, "pfc = 0x%x\n", *pfc);
@@ -1058,24 +1063,33 @@ qed_dcbx_set_app_data(struct qed_hwfn *p_hwfn,
        for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
                entry = &p_app->app_pri_tbl[i].entry;
+                *entry = 0;
                if (ieee) {
-                        *entry &= ~DCBX_APP_SF_IEEE_MASK;
+                        *entry &= ~(DCBX_APP_SF_IEEE_MASK | DCBX_APP_SF_MASK);
                        switch (p_params->app_entry[i].sf_ieee) {
                        case QED_DCBX_SF_IEEE_ETHTYPE:
                                *entry |= ((u32)DCBX_APP_SF_IEEE_ETHTYPE <<
                                           DCBX_APP_SF_IEEE_SHIFT);
+                                *entry |= ((u32)DCBX_APP_SF_ETHTYPE <<
+                                           DCBX_APP_SF_SHIFT);
                                break;
                        case QED_DCBX_SF_IEEE_TCP_PORT:
                                *entry |= ((u32)DCBX_APP_SF_IEEE_TCP_PORT <<
                                           DCBX_APP_SF_IEEE_SHIFT);
+                                *entry |= ((u32)DCBX_APP_SF_PORT <<
+                                           DCBX_APP_SF_SHIFT);
                                break;
                        case QED_DCBX_SF_IEEE_UDP_PORT:
                                *entry |= ((u32)DCBX_APP_SF_IEEE_UDP_PORT <<
                                           DCBX_APP_SF_IEEE_SHIFT);
+                                *entry |= ((u32)DCBX_APP_SF_PORT <<
+                                           DCBX_APP_SF_SHIFT);
                                break;
                        case QED_DCBX_SF_IEEE_TCP_UDP_PORT:
                                *entry |= ((u32)DCBX_APP_SF_IEEE_TCP_UDP_PORT <<
                                           DCBX_APP_SF_IEEE_SHIFT);
+                                *entry |= ((u32)DCBX_APP_SF_PORT <<
+                                           DCBX_APP_SF_SHIFT);
                                break;
                        }
                } else {
@@ -1175,7 +1189,7 @@ int qed_dcbx_get_config_params(struct qed_hwfn *p_hwfn,
                return 0;
        }
-        dcbx_info = kmalloc(sizeof(*dcbx_info), GFP_KERNEL);
+        dcbx_info = kzalloc(sizeof(*dcbx_info), GFP_KERNEL);
        if (!dcbx_info) {
                DP_ERR(p_hwfn, "Failed to allocate struct qed_dcbx_info\n");
                return -ENOMEM;
@@ -1212,7 +1226,7 @@ static struct qed_dcbx_get *qed_dcbnl_get_dcbx(struct qed_hwfn *hwfn,
 {
        struct qed_dcbx_get *dcbx_info;
-        dcbx_info = kmalloc(sizeof(*dcbx_info), GFP_KERNEL);
+        dcbx_info = kzalloc(sizeof(*dcbx_info), GFP_KERNEL);
        if (!dcbx_info) {
                DP_ERR(hwfn->cdev, "Failed to allocate memory for dcbx_info\n");
                return NULL;
diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c
index a6eb6af8cbe8..9544e4c41359 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_main.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_main.c
@@ -2520,7 +2520,8 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level,
        edev->ops->register_ops(cdev, &qede_ll_ops, edev);
 #ifdef CONFIG_DCB
-        qede_set_dcbnl_ops(edev->ndev);
+        if (!IS_VF(edev))
+                qede_set_dcbnl_ops(edev->ndev);
 #endif
        INIT_DELAYED_WORK(&edev->sp_task, qede_sp_task);
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 799d58d86e6d..054e795df90f 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -201,9 +201,14 @@ static const u16 sh_eth_offset_fast_rz[SH_ETH_MAX_REGISTER_OFFSET] = {
        [ARSTR]         = 0x0000,
        [TSU_CTRST]     = 0x0004,
+        [TSU_FWSLC]     = 0x0038,
        [TSU_VTAG0]     = 0x0058,
        [TSU_ADSBSY]    = 0x0060,
        [TSU_TEN]       = 0x0064,
+        [TSU_POST1]     = 0x0070,
+        [TSU_POST2]     = 0x0074,
+        [TSU_POST3]     = 0x0078,
+        [TSU_POST4]     = 0x007c,
        [TSU_ADRH0]     = 0x0100,
        [TXNLCR0]       = 0x0080,
@@ -2786,6 +2791,8 @@ static void sh_eth_tsu_init(struct sh_eth_private *mdp)
 {
        if (sh_eth_is_rz_fast_ether(mdp)) {
                sh_eth_tsu_write(mdp, 0, TSU_TEN); /* Disable all CAM entry */
+                sh_eth_tsu_write(mdp, TSU_FWSLC_POSTENU | TSU_FWSLC_POSTENL,
+                                 TSU_FWSLC);    /* Enable POST registers */
                return;
        }
diff --git a/drivers/net/ethernet/smsc/smc91x.h b/drivers/net/ethernet/smsc/smc91x.h
index e17671c9d1b0..ea8465467469 100644
--- a/drivers/net/ethernet/smsc/smc91x.h
+++ b/drivers/net/ethernet/smsc/smc91x.h
@@ -470,7 +470,9 @@ smc_pxa_dma_insw(void __iomem *ioaddr, struct smc_local *lp, int reg, int dma,
 #endif
 #if ! SMC_CAN_USE_8BIT
+#undef SMC_inb
 #define SMC_inb(ioaddr, reg)            ({ BUG(); 0; })
+#undef SMC_outb
 #define SMC_outb(x, ioaddr, reg)        BUG()
 #define SMC_insb(a, r, p, l)            BUG()
 #define SMC_outsb(a, r, p, l)           BUG()
diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
index ca3134540d2d..4f8910b7db2e 100644
--- a/drivers/net/ethernet/smsc/smsc911x.c
+++ b/drivers/net/ethernet/smsc/smsc911x.c
@@ -1099,15 +1099,8 @@ static int smsc911x_mii_init(struct platform_device *pdev,
                goto err_out_free_bus_2;
        }
-        if (smsc911x_mii_probe(dev) < 0) {
-                SMSC_WARN(pdata, probe, "Error registering mii bus");
-                goto err_out_unregister_bus_3;
-        }
        return 0;
-err_out_unregister_bus_3:
-        mdiobus_unregister(pdata->mii_bus);
 err_out_free_bus_2:
        mdiobus_free(pdata->mii_bus);
 err_out_1:
@@ -1514,23 +1507,90 @@ static void smsc911x_disable_irq_chip(struct net_device *dev)
        smsc911x_reg_write(pdata, INT_STS, 0xFFFFFFFF);
 }
+static irqreturn_t smsc911x_irqhandler(int irq, void *dev_id)
+{
+        struct net_device *dev = dev_id;
+        struct smsc911x_data *pdata = netdev_priv(dev);
+        u32 intsts = smsc911x_reg_read(pdata, INT_STS);
+        u32 inten = smsc911x_reg_read(pdata, INT_EN);
+        int serviced = IRQ_NONE;
+        u32 temp;
+        if (unlikely(intsts & inten & INT_STS_SW_INT_)) {
+                temp = smsc911x_reg_read(pdata, INT_EN);
+                temp &= (~INT_EN_SW_INT_EN_);
+                smsc911x_reg_write(pdata, INT_EN, temp);
+                smsc911x_reg_write(pdata, INT_STS, INT_STS_SW_INT_);
+                pdata->software_irq_signal = 1;
+                smp_wmb();
+                serviced = IRQ_HANDLED;
+        }
+        if (unlikely(intsts & inten & INT_STS_RXSTOP_INT_)) {
+                /* Called when there is a multicast update scheduled and
+                 * it is now safe to complete the update */
+                SMSC_TRACE(pdata, intr, "RX Stop interrupt");
+                smsc911x_reg_write(pdata, INT_STS, INT_STS_RXSTOP_INT_);
+                if (pdata->multicast_update_pending)
+                        smsc911x_rx_multicast_update_workaround(pdata);
+                serviced = IRQ_HANDLED;
+        }
+        if (intsts & inten & INT_STS_TDFA_) {
+                temp = smsc911x_reg_read(pdata, FIFO_INT);
+                temp |= FIFO_INT_TX_AVAIL_LEVEL_;
+                smsc911x_reg_write(pdata, FIFO_INT, temp);
+                smsc911x_reg_write(pdata, INT_STS, INT_STS_TDFA_);
+                netif_wake_queue(dev);
+                serviced = IRQ_HANDLED;
+        }
+        if (unlikely(intsts & inten & INT_STS_RXE_)) {
+                SMSC_TRACE(pdata, intr, "RX Error interrupt");
+                smsc911x_reg_write(pdata, INT_STS, INT_STS_RXE_);
+                serviced = IRQ_HANDLED;
+        }
+        if (likely(intsts & inten & INT_STS_RSFL_)) {
+                if (likely(napi_schedule_prep(&pdata->napi))) {
+                        /* Disable Rx interrupts */
+                        temp = smsc911x_reg_read(pdata, INT_EN);
+                        temp &= (~INT_EN_RSFL_EN_);
+                        smsc911x_reg_write(pdata, INT_EN, temp);
+                        /* Schedule a NAPI poll */
+                        __napi_schedule(&pdata->napi);
+                } else {
+                        SMSC_WARN(pdata, rx_err, "napi_schedule_prep failed");
+                }
+                serviced = IRQ_HANDLED;
+        }
+        return serviced;
+}
 static int smsc911x_open(struct net_device *dev)
 {
        struct smsc911x_data *pdata = netdev_priv(dev);
        unsigned int timeout;
        unsigned int temp;
        unsigned int intcfg;
+        int retval;
+        int irq_flags;
-        /* if the phy is not yet registered, retry later*/
+        /* find and start the given phy */
        if (!dev->phydev) {
-                SMSC_WARN(pdata, hw, "phy_dev is NULL");
+                retval = smsc911x_mii_probe(dev);
-                return -EAGAIN;
+                if (retval < 0) {
+                        SMSC_WARN(pdata, probe, "Error starting phy");
+                        goto out;
+                }
        }
        /* Reset the LAN911x */
-        if (smsc911x_soft_reset(pdata)) {
+        retval = smsc911x_soft_reset(pdata);
+        if (retval) {
                SMSC_WARN(pdata, hw, "soft reset failed");
-                return -EIO;
+                goto mii_free_out;
        }
        smsc911x_reg_write(pdata, HW_CFG, 0x00050000);
@@ -1586,6 +1646,15 @@ static int smsc911x_open(struct net_device *dev)
        pdata->software_irq_signal = 0;
        smp_wmb();
+        irq_flags = irq_get_trigger_type(dev->irq);
+        retval = request_irq(dev->irq, smsc911x_irqhandler,
+                             irq_flags | IRQF_SHARED, dev->name, dev);
+        if (retval) {
+                SMSC_WARN(pdata, probe,
+                          "Unable to claim requested irq: %d", dev->irq);
+                goto mii_free_out;
+        }
        temp = smsc911x_reg_read(pdata, INT_EN);
        temp |= INT_EN_SW_INT_EN_;
        smsc911x_reg_write(pdata, INT_EN, temp);
@@ -1600,7 +1669,8 @@ static int smsc911x_open(struct net_device *dev)
        if (!pdata->software_irq_signal) {
                netdev_warn(dev, "ISR failed signaling test (IRQ %d)\n",
                            dev->irq);
-                return -ENODEV;
+                retval = -ENODEV;
+                goto irq_stop_out;
        }
        SMSC_TRACE(pdata, ifup, "IRQ handler passed test using IRQ %d",
                   dev->irq);
@@ -1646,6 +1716,14 @@ static int smsc911x_open(struct net_device *dev)
        netif_start_queue(dev);
        return 0;
+irq_stop_out:
+        free_irq(dev->irq, dev);
+mii_free_out:
+        phy_disconnect(dev->phydev);
+        dev->phydev = NULL;
+out:
+        return retval;
 }
 /* Entry point for stopping the interface */
@@ -1667,9 +1745,15 @@ static int smsc911x_stop(struct net_device *dev)
        dev->stats.rx_dropped += smsc911x_reg_read(pdata, RX_DROP);
        smsc911x_tx_update_txcounters(dev);
+        free_irq(dev->irq, dev);
        /* Bring the PHY down */
-        if (dev->phydev)
+        if (dev->phydev) {
                phy_stop(dev->phydev);
+                phy_disconnect(dev->phydev);
+                dev->phydev = NULL;
+        }
+        netif_carrier_off(dev);
        SMSC_TRACE(pdata, ifdown, "Interface stopped");
        return 0;
@@ -1811,67 +1895,6 @@ static void smsc911x_set_multicast_list(struct net_device *dev)
        spin_unlock_irqrestore(&pdata->mac_lock, flags);
 }
-static irqreturn_t smsc911x_irqhandler(int irq, void *dev_id)
-{
-        struct net_device *dev = dev_id;
-        struct smsc911x_data *pdata = netdev_priv(dev);
-        u32 intsts = smsc911x_reg_read(pdata, INT_STS);
-        u32 inten = smsc911x_reg_read(pdata, INT_EN);
-        int serviced = IRQ_NONE;
-        u32 temp;
-        if (unlikely(intsts & inten & INT_STS_SW_INT_)) {
-                temp = smsc911x_reg_read(pdata, INT_EN);
-                temp &= (~INT_EN_SW_INT_EN_);
-                smsc911x_reg_write(pdata, INT_EN, temp);
-                smsc911x_reg_write(pdata, INT_STS, INT_STS_SW_INT_);
-                pdata->software_irq_signal = 1;
-                smp_wmb();
-                serviced = IRQ_HANDLED;
-        }
-        if (unlikely(intsts & inten & INT_STS_RXSTOP_INT_)) {
-                /* Called when there is a multicast update scheduled and
-                 * it is now safe to complete the update */
-                SMSC_TRACE(pdata, intr, "RX Stop interrupt");
-                smsc911x_reg_write(pdata, INT_STS, INT_STS_RXSTOP_INT_);
-                if (pdata->multicast_update_pending)
-                        smsc911x_rx_multicast_update_workaround(pdata);
-                serviced = IRQ_HANDLED;
-        }
-        if (intsts & inten & INT_STS_TDFA_) {
-                temp = smsc911x_reg_read(pdata, FIFO_INT);
-                temp |= FIFO_INT_TX_AVAIL_LEVEL_;
-                smsc911x_reg_write(pdata, FIFO_INT, temp);
-                smsc911x_reg_write(pdata, INT_STS, INT_STS_TDFA_);
-                netif_wake_queue(dev);
-                serviced = IRQ_HANDLED;
-        }
-        if (unlikely(intsts & inten & INT_STS_RXE_)) {
-                SMSC_TRACE(pdata, intr, "RX Error interrupt");
-                smsc911x_reg_write(pdata, INT_STS, INT_STS_RXE_);
-                serviced = IRQ_HANDLED;
-        }
-        if (likely(intsts & inten & INT_STS_RSFL_)) {
-                if (likely(napi_schedule_prep(&pdata->napi))) {
-                        /* Disable Rx interrupts */
-                        temp = smsc911x_reg_read(pdata, INT_EN);
-                        temp &= (~INT_EN_RSFL_EN_);
-                        smsc911x_reg_write(pdata, INT_EN, temp);
-                        /* Schedule a NAPI poll */
-                        __napi_schedule(&pdata->napi);
-                } else {
-                        SMSC_WARN(pdata, rx_err, "napi_schedule_prep failed");
-                }
-                serviced = IRQ_HANDLED;
-        }
-        return serviced;
-}
 #ifdef CONFIG_NET_POLL_CONTROLLER
 static void smsc911x_poll_controller(struct net_device *dev)
 {
@@ -2291,16 +2314,14 @@ static int smsc911x_drv_remove(struct platform_device *pdev)
        pdata = netdev_priv(dev);
        BUG_ON(!pdata);
        BUG_ON(!pdata->ioaddr);
-        BUG_ON(!dev->phydev);
+        WARN_ON(dev->phydev);
        SMSC_TRACE(pdata, ifdown, "Stopping driver");
-        phy_disconnect(dev->phydev);
        mdiobus_unregister(pdata->mii_bus);
        mdiobus_free(pdata->mii_bus);
        unregister_netdev(dev);
-        free_irq(dev->irq, dev);
        res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
                                           "smsc911x-memory");
        if (!res)
@@ -2385,8 +2406,7 @@ static int smsc911x_drv_probe(struct platform_device *pdev)
        struct smsc911x_data *pdata;
        struct smsc911x_platform_config *config = dev_get_platdata(&pdev->dev);
        struct resource *res;
-        unsigned int intcfg = 0;
+        int res_size, irq;
-        int res_size, irq, irq_flags;
        int retval;
        res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
@@ -2425,7 +2445,6 @@ static int smsc911x_drv_probe(struct platform_device *pdev)
        pdata = netdev_priv(dev);
        dev->irq = irq;
-        irq_flags = irq_get_trigger_type(irq);
        pdata->ioaddr = ioremap_nocache(res->start, res_size);
        pdata->dev = dev;
@@ -2472,43 +2491,23 @@ static int smsc911x_drv_probe(struct platform_device *pdev)
        if (retval < 0)
                goto out_disable_resources;
-        /* configure irq polarity and type before connecting isr */
+        netif_carrier_off(dev);
-        if (pdata->config.irq_polarity == SMSC911X_IRQ_POLARITY_ACTIVE_HIGH)
-                intcfg |= INT_CFG_IRQ_POL_;
-        if (pdata->config.irq_type == SMSC911X_IRQ_TYPE_PUSH_PULL)
-                intcfg |= INT_CFG_IRQ_TYPE_;
-        smsc911x_reg_write(pdata, INT_CFG, intcfg);
-        /* Ensure interrupts are globally disabled before connecting ISR */
-        smsc911x_disable_irq_chip(dev);
-        retval = request_irq(dev->irq, smsc911x_irqhandler,
+        retval = smsc911x_mii_init(pdev, dev);
-                             irq_flags | IRQF_SHARED, dev->name, dev);
        if (retval) {
-                SMSC_WARN(pdata, probe,
+                SMSC_WARN(pdata, probe, "Error %i initialising mii", retval);
-                          "Unable to claim requested irq: %d", dev->irq);
                goto out_disable_resources;
        }
-        netif_carrier_off(dev);
        retval = register_netdev(dev);
        if (retval) {
                SMSC_WARN(pdata, probe, "Error %i registering device", retval);
-                goto out_free_irq;
+                goto out_disable_resources;
        } else {
                SMSC_TRACE(pdata, probe,
                           "Network interface: \"%s\"", dev->name);
        }
-        retval = smsc911x_mii_init(pdev, dev);
-        if (retval) {
-                SMSC_WARN(pdata, probe, "Error %i initialising mii", retval);
-                goto out_unregister_netdev_5;
-        }
        spin_lock_irq(&pdata->mac_lock);
        /* Check if mac address has been specified when bringing interface up */
@@ -2544,10 +2543,6 @@ static int smsc911x_drv_probe(struct platform_device *pdev)
        return 0;
-out_unregister_netdev_5:
-        unregister_netdev(dev);
-out_free_irq:
-        free_irq(dev->irq, dev);
 out_disable_resources:
        pm_runtime_put(&pdev->dev);
        pm_runtime_disable(&pdev->dev);
diff --git a/drivers/net/ethernet/synopsys/dwc_eth_qos.c b/drivers/net/ethernet/synopsys/dwc_eth_qos.c
index 5a3941bf250f..4490ebaed127 100644
--- a/drivers/net/ethernet/synopsys/dwc_eth_qos.c
+++ b/drivers/net/ethernet/synopsys/dwc_eth_qos.c
@@ -1246,7 +1246,7 @@ static int dwceqos_mii_init(struct net_local *lp)
        lp->mii_bus->read  = &dwceqos_mdio_read;
        lp->mii_bus->write = &dwceqos_mdio_write;
        lp->mii_bus->priv = lp;
-        lp->mii_bus->parent = &lp->ndev->dev;
+        lp->mii_bus->parent = &lp->pdev->dev;
        of_address_to_resource(lp->pdev->dev.of_node, 0, &res);
        snprintf(lp->mii_bus->id, MII_BUS_ID_SIZE, "%.8llx",
@@ -2853,25 +2853,17 @@ static int dwceqos_probe(struct platform_device *pdev)
        ndev->features = ndev->hw_features;
-        netif_napi_add(ndev, &lp->napi, dwceqos_rx_poll, NAPI_POLL_WEIGHT);
-        ret = register_netdev(ndev);
-        if (ret) {
-                dev_err(&pdev->dev, "Cannot register net device, aborting.\n");
-                goto err_out_clk_dis_aper;
-        }
        lp->phy_ref_clk = devm_clk_get(&pdev->dev, "phy_ref_clk");
        if (IS_ERR(lp->phy_ref_clk)) {
                dev_err(&pdev->dev, "phy_ref_clk clock not found.\n");
                ret = PTR_ERR(lp->phy_ref_clk);
-                goto err_out_unregister_netdev;
+                goto err_out_clk_dis_aper;
        }
        ret = clk_prepare_enable(lp->phy_ref_clk);
        if (ret) {
                dev_err(&pdev->dev, "Unable to enable device clock.\n");
-                goto err_out_unregister_netdev;
+                goto err_out_clk_dis_aper;
        }
        lp->phy_node = of_parse_phandle(lp->pdev->dev.of_node,
@@ -2880,7 +2872,7 @@ static int dwceqos_probe(struct platform_device *pdev)
                ret = of_phy_register_fixed_link(lp->pdev->dev.of_node);
                if (ret < 0) {
                        dev_err(&pdev->dev, "invalid fixed-link");
-                        goto err_out_unregister_clk_notifier;
+                        goto err_out_clk_dis_phy;
                }
                lp->phy_node = of_node_get(lp->pdev->dev.of_node);
@@ -2889,7 +2881,7 @@ static int dwceqos_probe(struct platform_device *pdev)
        ret = of_get_phy_mode(lp->pdev->dev.of_node);
        if (ret < 0) {
                dev_err(&lp->pdev->dev, "error in getting phy i/f\n");
-                goto err_out_unregister_clk_notifier;
+                goto err_out_clk_dis_phy;
        }
        lp->phy_interface = ret;
@@ -2897,14 +2889,14 @@ static int dwceqos_probe(struct platform_device *pdev)
        ret = dwceqos_mii_init(lp);
        if (ret) {
                dev_err(&lp->pdev->dev, "error in dwceqos_mii_init\n");
-                goto err_out_unregister_clk_notifier;
+                goto err_out_clk_dis_phy;
        }
        ret = dwceqos_mii_probe(ndev);
        if (ret != 0) {
                netdev_err(ndev, "mii_probe fail.\n");
                ret = -ENXIO;
-                goto err_out_unregister_clk_notifier;
+                goto err_out_clk_dis_phy;
        }
        dwceqos_set_umac_addr(lp, lp->ndev->dev_addr, 0);
@@ -2922,7 +2914,7 @@ static int dwceqos_probe(struct platform_device *pdev)
        if (ret) {
                dev_err(&lp->pdev->dev, "Unable to retrieve DT, error %d\n",
                        ret);
-                goto err_out_unregister_clk_notifier;
+                goto err_out_clk_dis_phy;
        }
        dev_info(&lp->pdev->dev, "pdev->id %d, baseaddr 0x%08lx, irq %d\n",
                 pdev->id, ndev->base_addr, ndev->irq);
@@ -2932,18 +2924,24 @@ static int dwceqos_probe(struct platform_device *pdev)
        if (ret) {
                dev_err(&lp->pdev->dev, "Unable to request IRQ %d, error %d\n",
                        ndev->irq, ret);
-                goto err_out_unregister_clk_notifier;
+                goto err_out_clk_dis_phy;
        }
        if (netif_msg_probe(lp))
                netdev_dbg(ndev, "net_local@%p\n", lp);
+        netif_napi_add(ndev, &lp->napi, dwceqos_rx_poll, NAPI_POLL_WEIGHT);
+        ret = register_netdev(ndev);
+        if (ret) {
+                dev_err(&pdev->dev, "Cannot register net device, aborting.\n");
+                        goto err_out_clk_dis_phy;
+        }
        return 0;
-err_out_unregister_clk_notifier:
+err_out_clk_dis_phy:
        clk_disable_unprepare(lp->phy_ref_clk);
-err_out_unregister_netdev:
-        unregister_netdev(ndev);
 err_out_clk_dis_aper:
        clk_disable_unprepare(lp->apb_pclk);
 err_out_free_netdev:
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 47a64342cc16..b4863e4e522b 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -303,6 +303,7 @@ config MDIO_HISI_FEMAC
 config MDIO_XGENE
        tristate "APM X-Gene SoC MDIO bus controller"
+        depends on ARCH_XGENE || COMPILE_TEST
        help
          This module provides a driver for the MDIO busses found in the
          APM X-Gene SoC's.
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index c0dda6fc0921..6e65832051d6 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -2782,14 +2782,15 @@ static int vxlan_dev_configure(struct net *src_net, struct net_device *dev,
        struct net_device *lowerdev = NULL;
        if (conf->flags & VXLAN_F_GPE) {
-                if (conf->flags & ~VXLAN_F_ALLOWED_GPE)
-                        return -EINVAL;
                /* For now, allow GPE only together with COLLECT_METADATA.
                 * This can be relaxed later; in such case, the other side
                 * of the PtP link will have to be provided.
                 */
-                if (!(conf->flags & VXLAN_F_COLLECT_METADATA))
+                if ((conf->flags & ~VXLAN_F_ALLOWED_GPE) ||
+                    !(conf->flags & VXLAN_F_COLLECT_METADATA)) {
+                        pr_info("unsupported combination of extensions\n");
                        return -EINVAL;
+                }
                vxlan_raw_setup(dev);
        } else {
@@ -2842,6 +2843,9 @@ static int vxlan_dev_configure(struct net *src_net, struct net_device *dev,
                        dev->mtu = lowerdev->mtu - (use_ipv6 ? VXLAN6_HEADROOM : VXLAN_HEADROOM);
                needed_headroom = lowerdev->hard_header_len;
+        } else if (vxlan_addr_multicast(&dst->remote_ip)) {
+                pr_info("multicast destination requires interface to be specified\n");
+                return -EINVAL;
        }
        if (conf->mtu) {
@@ -2874,8 +2878,10 @@ static int vxlan_dev_configure(struct net *src_net, struct net_device *dev,
                     tmp->cfg.saddr.sa.sa_family == AF_INET6) == use_ipv6 &&
                    tmp->cfg.dst_port == vxlan->cfg.dst_port &&
                    (tmp->flags & VXLAN_F_RCV_FLAGS) ==
-                    (vxlan->flags & VXLAN_F_RCV_FLAGS))
+                    (vxlan->flags & VXLAN_F_RCV_FLAGS)) {
-                return -EEXIST;
+                        pr_info("duplicate VNI %u\n", be32_to_cpu(conf->vni));
+                        return -EEXIST;
+                }
        }
        dev->ethtool_ops = &vxlan_ethtool_ops;
@@ -2909,7 +2915,6 @@ static int vxlan_newlink(struct net *src_net, struct net_device *dev,
                         struct nlattr *tb[], struct nlattr *data[])
 {
        struct vxlan_config conf;
-        int err;
        memset(&conf, 0, sizeof(conf));
@@ -3018,26 +3023,7 @@ static int vxlan_newlink(struct net *src_net, struct net_device *dev,
        if (tb[IFLA_MTU])
                conf.mtu = nla_get_u32(tb[IFLA_MTU]);
-        err = vxlan_dev_configure(src_net, dev, &conf);
+        return vxlan_dev_configure(src_net, dev, &conf);
-        switch (err) {
-        case -ENODEV:
-                pr_info("ifindex %d does not exist\n", conf.remote_ifindex);
-                break;
-        case -EPERM:
-                pr_info("IPv6 is disabled via sysctl\n");
-                break;
-        case -EEXIST:
-                pr_info("duplicate VNI %u\n", be32_to_cpu(conf.vni));
-                break;
-        case -EINVAL:
-                pr_info("unsupported combination of extensions\n");
-                break;
-        }
-        return err;
 }
 static void vxlan_dellink(struct net_device *dev, struct list_head *head)
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index 78db5d679f19..24c8d65bcf34 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -1525,7 +1525,7 @@ static void ath10k_htt_rx_h_filter(struct ath10k *ar,
 static int ath10k_htt_rx_handle_amsdu(struct ath10k_htt *htt)
 {
        struct ath10k *ar = htt->ar;
-        static struct ieee80211_rx_status rx_status;
+        struct ieee80211_rx_status *rx_status = &htt->rx_status;
        struct sk_buff_head amsdu;
        int ret;
@@ -1549,11 +1549,11 @@ static int ath10k_htt_rx_handle_amsdu(struct ath10k_htt *htt)
                return ret;
        }
-        ath10k_htt_rx_h_ppdu(ar, &amsdu, &rx_status, 0xffff);
+        ath10k_htt_rx_h_ppdu(ar, &amsdu, rx_status, 0xffff);
        ath10k_htt_rx_h_unchain(ar, &amsdu, ret > 0);
-        ath10k_htt_rx_h_filter(ar, &amsdu, &rx_status);
+        ath10k_htt_rx_h_filter(ar, &amsdu, rx_status);
-        ath10k_htt_rx_h_mpdu(ar, &amsdu, &rx_status);
+        ath10k_htt_rx_h_mpdu(ar, &amsdu, rx_status);
-        ath10k_htt_rx_h_deliver(ar, &amsdu, &rx_status);
+        ath10k_htt_rx_h_deliver(ar, &amsdu, rx_status);
        return 0;
 }
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index 9a22c478dd1b..07933c51a850 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -3162,7 +3162,6 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
                pci_hard_reset = ath10k_pci_qca988x_chip_reset;
                break;
        case QCA9887_1_0_DEVICE_ID:
-                dev_warn(&pdev->dev, "QCA9887 support is still experimental, there are likely bugs. You have been warned.\n");
                hw_rev = ATH10K_HW_QCA9887;
                pci_ps = false;
                pci_soft_reset = ath10k_pci_warm_reset;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index d1d0c06d627c..14b13f07cd1f 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2482,6 +2482,8 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
                return -EINVAL;
        }
+        ath9k_gpio_cap_init(ah);
        if (AR_SREV_9485(ah) ||
            AR_SREV_9285(ah) ||
            AR_SREV_9330(ah) ||
@@ -2531,8 +2533,6 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
        else
                pCap->hw_caps &= ~ATH9K_HW_CAP_HT;
-        ath9k_gpio_cap_init(ah);
        if (AR_SREV_9160_10_OR_LATER(ah) || AR_SREV_9100(ah))
                pCap->rts_aggr_limit = ATH_AMPDU_LIMIT_MAX;
        else
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index a394622c9022..7cb65c303f8d 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -718,9 +718,12 @@ static int ath9k_start(struct ieee80211_hw *hw)
        if (!ath_complete_reset(sc, false))
                ah->reset_power_on = false;
-        if (ah->led_pin >= 0)
+        if (ah->led_pin >= 0) {
                ath9k_hw_set_gpio(ah, ah->led_pin,
                                  (ah->config.led_active_high) ? 1 : 0);
+                ath9k_hw_gpio_request_out(ah, ah->led_pin, NULL,
+                                          AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+        }
        /*
         * Reset key cache to sane defaults (all entries cleared) instead of
@@ -864,9 +867,11 @@ static void ath9k_stop(struct ieee80211_hw *hw)
        spin_lock_bh(&sc->sc_pcu_lock);
-        if (ah->led_pin >= 0)
+        if (ah->led_pin >= 0) {
                ath9k_hw_set_gpio(ah, ah->led_pin,
                                  (ah->config.led_active_high) ? 0 : 1);
+                ath9k_hw_gpio_request_in(ah, ah->led_pin, NULL);
+        }
        ath_prepare_reset(sc);
@@ -1154,6 +1159,7 @@ void ath9k_calculate_summary_state(struct ath_softc *sc,
                bool changed = (iter_data.primary_sta != ctx->primary_sta);
                if (iter_data.primary_sta) {
+                        iter_data.primary_beacon_vif = iter_data.primary_sta;
                        iter_data.beacons = true;
                        ath9k_set_assoc_state(sc, iter_data.primary_sta,
                                              changed);
@@ -1563,13 +1569,13 @@ static int ath9k_sta_state(struct ieee80211_hw *hw,
        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
        int ret = 0;
-        if (old_state == IEEE80211_STA_AUTH &&
+        if (old_state == IEEE80211_STA_NOTEXIST &&
-            new_state == IEEE80211_STA_ASSOC) {
+            new_state == IEEE80211_STA_NONE) {
                ret = ath9k_sta_add(hw, vif, sta);
                ath_dbg(common, CONFIG,
                        "Add station: %pM\n", sta->addr);
-        } else if (old_state == IEEE80211_STA_ASSOC &&
+        } else if (old_state == IEEE80211_STA_NONE &&
-                   new_state == IEEE80211_STA_AUTH) {
+                   new_state == IEEE80211_STA_NOTEXIST) {
                ret = ath9k_sta_remove(hw, vif, sta);
                ath_dbg(common, CONFIG,
                        "Remove station: %pM\n", sta->addr);
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index 2628d5e12c64..b8aec5e5ef93 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -4527,7 +4527,7 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
                                (u8 *)&settings->beacon.head[ie_offset],
                                settings->beacon.head_len - ie_offset,
                                WLAN_EID_SSID);
-                if (!ssid_ie)
+                if (!ssid_ie || ssid_ie->len > IEEE80211_MAX_SSID_LEN)
                        return -EINVAL;
                memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len);
@@ -5635,7 +5635,7 @@ static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
                  ifevent->action, ifevent->flags, ifevent->ifidx,
                  ifevent->bsscfgidx);
-        mutex_lock(&event->vif_event_lock);
+        spin_lock(&event->vif_event_lock);
        event->action = ifevent->action;
        vif = event->vif;
@@ -5643,7 +5643,7 @@ static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
        case BRCMF_E_IF_ADD:
                /* waiting process may have timed out */
                if (!cfg->vif_event.vif) {
-                        mutex_unlock(&event->vif_event_lock);
+                        spin_unlock(&event->vif_event_lock);
                        return -EBADF;
                }
@@ -5654,24 +5654,24 @@ static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
                        ifp->ndev->ieee80211_ptr = &vif->wdev;
                        SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy));
                }
-                mutex_unlock(&event->vif_event_lock);
+                spin_unlock(&event->vif_event_lock);
                wake_up(&event->vif_wq);
                return 0;
        case BRCMF_E_IF_DEL:
-                mutex_unlock(&event->vif_event_lock);
+                spin_unlock(&event->vif_event_lock);
                /* event may not be upon user request */
                if (brcmf_cfg80211_vif_event_armed(cfg))
                        wake_up(&event->vif_wq);
                return 0;
        case BRCMF_E_IF_CHANGE:
-                mutex_unlock(&event->vif_event_lock);
+                spin_unlock(&event->vif_event_lock);
                wake_up(&event->vif_wq);
                return 0;
        default:
-                mutex_unlock(&event->vif_event_lock);
+                spin_unlock(&event->vif_event_lock);
                break;
        }
        return -EINVAL;
@@ -5792,7 +5792,7 @@ static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg)
 static void init_vif_event(struct brcmf_cfg80211_vif_event *event)
 {
        init_waitqueue_head(&event->vif_wq);
-        mutex_init(&event->vif_event_lock);
+        spin_lock_init(&event->vif_event_lock);
 }
 static s32 brcmf_dongle_roam(struct brcmf_if *ifp)
@@ -6691,9 +6691,9 @@ static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event,
 {
        u8 evt_action;
-        mutex_lock(&event->vif_event_lock);
+        spin_lock(&event->vif_event_lock);
        evt_action = event->action;
-        mutex_unlock(&event->vif_event_lock);
+        spin_unlock(&event->vif_event_lock);
        return evt_action == action;
 }
@@ -6702,10 +6702,10 @@ void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
 {
        struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
-        mutex_lock(&event->vif_event_lock);
+        spin_lock(&event->vif_event_lock);
        event->vif = vif;
        event->action = 0;
-        mutex_unlock(&event->vif_event_lock);
+        spin_unlock(&event->vif_event_lock);
 }
 bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg)
@@ -6713,9 +6713,9 @@ bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg)
        struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
        bool armed;
-        mutex_lock(&event->vif_event_lock);
+        spin_lock(&event->vif_event_lock);
        armed = event->vif != NULL;
-        mutex_unlock(&event->vif_event_lock);
+        spin_unlock(&event->vif_event_lock);
        return armed;
 }
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
index 7d77f869b7f1..8889832c17e0 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
@@ -227,7 +227,7 @@ struct escan_info {
 */
 struct brcmf_cfg80211_vif_event {
        wait_queue_head_t vif_wq;
-        struct mutex vif_event_lock;
+        spinlock_t vif_event_lock;
        u8 action;
        struct brcmf_cfg80211_vif *vif;
 };
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
index 8d16f0204985..65e8c8766441 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
@@ -743,7 +743,7 @@ static void brcmf_del_if(struct brcmf_pub *drvr, s32 bsscfgidx,
                 * serious troublesome side effects. The p2p module will clean
                 * up the ifp if needed.
                 */
-                brcmf_p2p_ifp_removed(ifp);
+                brcmf_p2p_ifp_removed(ifp, rtnl_locked);
                kfree(ifp);
        }
 }
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
index 66f942f7448e..de19c7c92bc6 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
@@ -2297,7 +2297,7 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev)
        return err;
 }
-void brcmf_p2p_ifp_removed(struct brcmf_if *ifp)
+void brcmf_p2p_ifp_removed(struct brcmf_if *ifp, bool rtnl_locked)
 {
        struct brcmf_cfg80211_info *cfg;
        struct brcmf_cfg80211_vif *vif;
@@ -2306,9 +2306,11 @@ void brcmf_p2p_ifp_removed(struct brcmf_if *ifp)
        vif = ifp->vif;
        cfg = wdev_to_cfg(&vif->wdev);
        cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL;
-        rtnl_lock();
+        if (!rtnl_locked)
+                rtnl_lock();
        cfg80211_unregister_wdev(&vif->wdev);
-        rtnl_unlock();
+        if (!rtnl_locked)
+                rtnl_unlock();
        brcmf_free_vif(vif);
 }
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h
index a3bd18c2360b..8ce9447533ef 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h
@@ -155,7 +155,7 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
 int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev);
 int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg,
                       enum brcmf_fil_p2p_if_types if_type);
-void brcmf_p2p_ifp_removed(struct brcmf_if *ifp);
+void brcmf_p2p_ifp_removed(struct brcmf_if *ifp, bool rtnl_locked);
 int brcmf_p2p_start_device(struct wiphy *wiphy, struct wireless_dev *wdev);
 void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev);
 int brcmf_p2p_scan_prep(struct wiphy *wiphy,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
index 1abcabb9b6cd..46b52bf705fb 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
@@ -960,5 +960,6 @@ int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 conf_id)
        }
        mvm->fw_dbg_conf = conf_id;
-        return ret;
+        return 0;
 }
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h
index f7dff7612c9c..e9f1be9da7d4 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h
@@ -105,7 +105,8 @@ iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig,
 {
        u32 trig_vif = le32_to_cpu(trig->vif_type);
-        return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || vif->type == trig_vif;
+        return trig_vif == IWL_FW_DBG_CONF_VIF_ANY ||
+               ieee80211_vif_type_p2p(vif) == trig_vif;
 }
 static inline bool
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 6d6064534d59..5dd77e336617 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -624,6 +624,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
        hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
                               NL80211_FEATURE_LOW_PRIORITY_SCAN |
                               NL80211_FEATURE_P2P_GO_OPPPS |
+                               NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE |
                               NL80211_FEATURE_DYNAMIC_SMPS |
                               NL80211_FEATURE_STATIC_SMPS |
                               NL80211_FEATURE_SUPPORTS_WMM_ADMISSION;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index b4fc86d5d7ef..6a615bb73042 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -467,6 +467,8 @@ struct iwl_mvm_vif {
 static inline struct iwl_mvm_vif *
 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 {
+        if (!vif)
+                return NULL;
        return (void *)vif->drv_priv;
 }
diff --git a/drivers/net/wireless/marvell/mwifiex/11n_aggr.c b/drivers/net/wireless/marvell/mwifiex/11n_aggr.c
index dc49c3de1f25..c47d6366875d 100644
--- a/drivers/net/wireless/marvell/mwifiex/11n_aggr.c
+++ b/drivers/net/wireless/marvell/mwifiex/11n_aggr.c
@@ -205,7 +205,8 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
        do {
                /* Check if AMSDU can accommodate this MSDU */
-                if (skb_tailroom(skb_aggr) < (skb_src->len + LLC_SNAP_LEN))
+                if ((skb_aggr->len + skb_src->len + LLC_SNAP_LEN) >
+                    adapter->tx_buf_size)
                        break;
                skb_src = skb_dequeue(&pra_list->skb_head);
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 8dcf5a960951..60f7eab11865 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1693,7 +1693,12 @@ static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown)
                nvme_suspend_queue(dev->queues[i]);
        if (csts & NVME_CSTS_CFS || !(csts & NVME_CSTS_RDY)) {
-                nvme_suspend_queue(dev->queues[0]);
+                /* A device might become IO incapable very soon during
+                 * probe, before the admin queue is configured. Thus,
+                 * queue_count can be 0 here.
+                 */
+                if (dev->queue_count)
+                        nvme_suspend_queue(dev->queues[0]);
        } else {
                nvme_disable_io_queues(dev);
                nvme_disable_admin_queue(dev, shutdown);
@@ -2112,6 +2117,8 @@ static const struct pci_device_id nvme_id_table[] = {
                .driver_data = NVME_QUIRK_IDENTIFY_CNS, },
        { PCI_DEVICE(0x1c58, 0x0003),   /* HGST adapter */
                .driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, },
+        { PCI_DEVICE(0x1c5f, 0x0540),   /* Memblaze Pblaze4 adapter */
+                .driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, },
        { PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_EXPRESS, 0xffffff) },
        { PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2001) },
        { 0, }
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index ab545fb347a0..c2c2c28e6eb5 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -82,6 +82,8 @@ struct nvme_rdma_request {
 enum nvme_rdma_queue_flags {
        NVME_RDMA_Q_CONNECTED = (1 << 0),
+        NVME_RDMA_IB_QUEUE_ALLOCATED = (1 << 1),
+        NVME_RDMA_Q_DELETING = (1 << 2),
 };
 struct nvme_rdma_queue {
@@ -291,6 +293,7 @@ static int nvme_rdma_reinit_request(void *data, struct request *rq)
        if (IS_ERR(req->mr)) {
                ret = PTR_ERR(req->mr);
                req->mr = NULL;
+                goto out;
        }
        req->mr->need_inval = false;
@@ -480,9 +483,14 @@ out_err:
 static void nvme_rdma_destroy_queue_ib(struct nvme_rdma_queue *queue)
 {
-        struct nvme_rdma_device *dev = queue->device;
+        struct nvme_rdma_device *dev;
-        struct ib_device *ibdev = dev->dev;
+        struct ib_device *ibdev;
+        if (!test_and_clear_bit(NVME_RDMA_IB_QUEUE_ALLOCATED, &queue->flags))
+                return;
+        dev = queue->device;
+        ibdev = dev->dev;
        rdma_destroy_qp(queue->cm_id);
        ib_free_cq(queue->ib_cq);
@@ -533,6 +541,7 @@ static int nvme_rdma_create_queue_ib(struct nvme_rdma_queue *queue,
                ret = -ENOMEM;
                goto out_destroy_qp;
        }
+        set_bit(NVME_RDMA_IB_QUEUE_ALLOCATED, &queue->flags);
        return 0;
@@ -552,6 +561,7 @@ static int nvme_rdma_init_queue(struct nvme_rdma_ctrl *ctrl,
        queue = &ctrl->queues[idx];
        queue->ctrl = ctrl;
+        queue->flags = 0;
        init_completion(&queue->cm_done);
        if (idx > 0)
@@ -590,6 +600,7 @@ static int nvme_rdma_init_queue(struct nvme_rdma_ctrl *ctrl,
        return 0;
 out_destroy_cm_id:
+        nvme_rdma_destroy_queue_ib(queue);
        rdma_destroy_id(queue->cm_id);
        return ret;
 }
@@ -608,7 +619,7 @@ static void nvme_rdma_free_queue(struct nvme_rdma_queue *queue)
 static void nvme_rdma_stop_and_free_queue(struct nvme_rdma_queue *queue)
 {
-        if (!test_and_clear_bit(NVME_RDMA_Q_CONNECTED, &queue->flags))
+        if (test_and_set_bit(NVME_RDMA_Q_DELETING, &queue->flags))
                return;
        nvme_rdma_stop_queue(queue);
        nvme_rdma_free_queue(queue);
@@ -652,7 +663,7 @@ static int nvme_rdma_init_io_queues(struct nvme_rdma_ctrl *ctrl)
        return 0;
 out_free_queues:
-        for (; i >= 1; i--)
+        for (i--; i >= 1; i--)
                nvme_rdma_stop_and_free_queue(&ctrl->queues[i]);
        return ret;
@@ -761,8 +772,13 @@ static void nvme_rdma_error_recovery_work(struct work_struct *work)
 {
        struct nvme_rdma_ctrl *ctrl = container_of(work,
                        struct nvme_rdma_ctrl, err_work);
+        int i;
        nvme_stop_keep_alive(&ctrl->ctrl);
+        for (i = 0; i < ctrl->queue_count; i++)
+                clear_bit(NVME_RDMA_Q_CONNECTED, &ctrl->queues[i].flags);
        if (ctrl->queue_count > 1)
                nvme_stop_queues(&ctrl->ctrl);
        blk_mq_stop_hw_queues(ctrl->ctrl.admin_q);
@@ -1305,58 +1321,6 @@ out_destroy_queue_ib:
        return ret;
 }
-/**
- * nvme_rdma_device_unplug() - Handle RDMA device unplug
- * @queue:      Queue that owns the cm_id that caught the event
- *
- * DEVICE_REMOVAL event notifies us that the RDMA device is about
- * to unplug so we should take care of destroying our RDMA resources.
- * This event will be generated for each allocated cm_id.
- *
- * In our case, the RDMA resources are managed per controller and not
- * only per queue. So the way we handle this is we trigger an implicit
- * controller deletion upon the first DEVICE_REMOVAL event we see, and
- * hold the event inflight until the controller deletion is completed.
- *
- * One exception that we need to handle is the destruction of the cm_id
- * that caught the event. Since we hold the callout until the controller
- * deletion is completed, we'll deadlock if the controller deletion will
- * call rdma_destroy_id on this queue's cm_id. Thus, we claim ownership
- * of destroying this queue before-hand, destroy the queue resources,
- * then queue the controller deletion which won't destroy this queue and
- * we destroy the cm_id implicitely by returning a non-zero rc to the callout.
- */
-static int nvme_rdma_device_unplug(struct nvme_rdma_queue *queue)
-{
-        struct nvme_rdma_ctrl *ctrl = queue->ctrl;
-        int ret = 0;
-        /* Own the controller deletion */
-        if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_DELETING))
-                return 0;
-        dev_warn(ctrl->ctrl.device,
-                "Got rdma device removal event, deleting ctrl\n");
-        /* Get rid of reconnect work if its running */
-        cancel_delayed_work_sync(&ctrl->reconnect_work);
-        /* Disable the queue so ctrl delete won't free it */
-        if (test_and_clear_bit(NVME_RDMA_Q_CONNECTED, &queue->flags)) {
-                /* Free this queue ourselves */
-                nvme_rdma_stop_queue(queue);
-                nvme_rdma_destroy_queue_ib(queue);
-                /* Return non-zero so the cm_id will destroy implicitly */
-                ret = 1;
-        }
-        /* Queue controller deletion */
-        queue_work(nvme_rdma_wq, &ctrl->delete_work);
-        flush_work(&ctrl->delete_work);
-        return ret;
-}
 static int nvme_rdma_cm_handler(struct rdma_cm_id *cm_id,
                struct rdma_cm_event *ev)
 {
@@ -1398,8 +1362,8 @@ static int nvme_rdma_cm_handler(struct rdma_cm_id *cm_id,
                nvme_rdma_error_recovery(queue->ctrl);
                break;
        case RDMA_CM_EVENT_DEVICE_REMOVAL:
-                /* return 1 means impliciy CM ID destroy */
+                /* device removal is handled via the ib_client API */
-                return nvme_rdma_device_unplug(queue);
+                break;
        default:
                dev_err(queue->ctrl->ctrl.device,
                        "Unexpected RDMA CM event (%d)\n", ev->event);
@@ -1700,15 +1664,19 @@ static int __nvme_rdma_del_ctrl(struct nvme_rdma_ctrl *ctrl)
 static int nvme_rdma_del_ctrl(struct nvme_ctrl *nctrl)
 {
        struct nvme_rdma_ctrl *ctrl = to_rdma_ctrl(nctrl);
-        int ret;
+        int ret = 0;
+        /*
+         * Keep a reference until all work is flushed since
+         * __nvme_rdma_del_ctrl can free the ctrl mem
+         */
+        if (!kref_get_unless_zero(&ctrl->ctrl.kref))
+                return -EBUSY;
        ret = __nvme_rdma_del_ctrl(ctrl);
-        if (ret)
+        if (!ret)
-                return ret;
+                flush_work(&ctrl->delete_work);
+        nvme_put_ctrl(&ctrl->ctrl);
-        flush_work(&ctrl->delete_work);
+        return ret;
-        return 0;
 }
 static void nvme_rdma_remove_ctrl_work(struct work_struct *work)
@@ -2005,27 +1973,57 @@ static struct nvmf_transport_ops nvme_rdma_transport = {
        .create_ctrl    = nvme_rdma_create_ctrl,
 };
+static void nvme_rdma_add_one(struct ib_device *ib_device)
+{
+}
+static void nvme_rdma_remove_one(struct ib_device *ib_device, void *client_data)
+{
+        struct nvme_rdma_ctrl *ctrl;
+        /* Delete all controllers using this device */
+        mutex_lock(&nvme_rdma_ctrl_mutex);
+        list_for_each_entry(ctrl, &nvme_rdma_ctrl_list, list) {
+                if (ctrl->device->dev != ib_device)
+                        continue;
+                dev_info(ctrl->ctrl.device,
+                        "Removing ctrl: NQN \"%s\", addr %pISp\n",
+                        ctrl->ctrl.opts->subsysnqn, &ctrl->addr);
+                __nvme_rdma_del_ctrl(ctrl);
+        }
+        mutex_unlock(&nvme_rdma_ctrl_mutex);
+        flush_workqueue(nvme_rdma_wq);
+}
+static struct ib_client nvme_rdma_ib_client = {
+        .name   = "nvme_rdma",
+        .add = nvme_rdma_add_one,
+        .remove = nvme_rdma_remove_one
+};
 static int __init nvme_rdma_init_module(void)
 {
+        int ret;
        nvme_rdma_wq = create_workqueue("nvme_rdma_wq");
        if (!nvme_rdma_wq)
                return -ENOMEM;
+        ret = ib_register_client(&nvme_rdma_ib_client);
+        if (ret) {
+                destroy_workqueue(nvme_rdma_wq);
+                return ret;
+        }
        nvmf_register_transport(&nvme_rdma_transport);
        return 0;
 }
 static void __exit nvme_rdma_cleanup_module(void)
 {
-        struct nvme_rdma_ctrl *ctrl;
        nvmf_unregister_transport(&nvme_rdma_transport);
+        ib_unregister_client(&nvme_rdma_ib_client);
-        mutex_lock(&nvme_rdma_ctrl_mutex);
-        list_for_each_entry(ctrl, &nvme_rdma_ctrl_list, list)
-                __nvme_rdma_del_ctrl(ctrl);
-        mutex_unlock(&nvme_rdma_ctrl_mutex);
        destroy_workqueue(nvme_rdma_wq);
 }
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
index d1ef7acf6930..f9357e09e9b3 100644
--- a/drivers/pci/remove.c
+++ b/drivers/pci/remove.c
@@ -40,6 +40,7 @@ static void pci_destroy_dev(struct pci_dev *dev)
        list_del(&dev->bus_list);
        up_write(&pci_bus_sem);
+        pci_bridge_d3_device_removed(dev);
        pci_free_resources(dev);
        put_device(&dev->dev);
 }
@@ -96,8 +97,6 @@ static void pci_remove_bus_device(struct pci_dev *dev)
                dev->subordinate = NULL;
        }
-        pci_bridge_d3_device_removed(dev);
        pci_destroy_dev(dev);
 }
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 489ea1098c96..69b5e811ea2b 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -977,7 +977,7 @@ static int pcmcia_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
 /************************ runtime PM support ***************************/
-static int pcmcia_dev_suspend(struct device *dev, pm_message_t state);
+static int pcmcia_dev_suspend(struct device *dev);
 static int pcmcia_dev_resume(struct device *dev);
 static int runtime_suspend(struct device *dev)
@@ -985,7 +985,7 @@ static int runtime_suspend(struct device *dev)
        int rc;
        device_lock(dev);
-        rc = pcmcia_dev_suspend(dev, PMSG_SUSPEND);
+        rc = pcmcia_dev_suspend(dev);
        device_unlock(dev);
        return rc;
 }
@@ -1135,7 +1135,7 @@ ATTRIBUTE_GROUPS(pcmcia_dev);
 /* PM support, also needed for reset */
-static int pcmcia_dev_suspend(struct device *dev, pm_message_t state)
+static int pcmcia_dev_suspend(struct device *dev)
 {
        struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
        struct pcmcia_driver *p_drv = NULL;
@@ -1410,6 +1410,9 @@ static struct class_interface pcmcia_bus_interface __refdata = {
        .remove_dev = &pcmcia_bus_remove_socket,
 };
+static const struct dev_pm_ops pcmcia_bus_pm_ops = {
+        SET_SYSTEM_SLEEP_PM_OPS(pcmcia_dev_suspend, pcmcia_dev_resume)
+};
 struct bus_type pcmcia_bus_type = {
        .name = "pcmcia",
@@ -1418,8 +1421,7 @@ struct bus_type pcmcia_bus_type = {
        .dev_groups = pcmcia_dev_groups,
        .probe = pcmcia_device_probe,
        .remove = pcmcia_device_remove,
-        .suspend = pcmcia_dev_suspend,
+        .pm = &pcmcia_bus_pm_ops,
-        .resume = pcmcia_dev_resume,
 };
diff --git a/drivers/pcmcia/pxa2xx_base.c b/drivers/pcmcia/pxa2xx_base.c
index 483f919e0d2e..91b5f5724cba 100644
--- a/drivers/pcmcia/pxa2xx_base.c
+++ b/drivers/pcmcia/pxa2xx_base.c
@@ -214,9 +214,8 @@ pxa2xx_pcmcia_frequency_change(struct soc_pcmcia_socket *skt,
 }
 #endif
-void pxa2xx_configure_sockets(struct device *dev)
+void pxa2xx_configure_sockets(struct device *dev, struct pcmcia_low_level *ops)
 {
-        struct pcmcia_low_level *ops = dev->platform_data;
        /*
         * We have at least one socket, so set MECR:CIT
         * (Card Is There)
@@ -322,7 +321,7 @@ static int pxa2xx_drv_pcmcia_probe(struct platform_device *dev)
                        goto err1;
        }
-        pxa2xx_configure_sockets(&dev->dev);
+        pxa2xx_configure_sockets(&dev->dev, ops);
        dev_set_drvdata(&dev->dev, sinfo);
        return 0;
@@ -348,7 +347,9 @@ static int pxa2xx_drv_pcmcia_remove(struct platform_device *dev)
 static int pxa2xx_drv_pcmcia_resume(struct device *dev)
 {
-        pxa2xx_configure_sockets(dev);
+        struct pcmcia_low_level *ops = (struct pcmcia_low_level *)dev->platform_data;
+        pxa2xx_configure_sockets(dev, ops);
        return 0;
 }
diff --git a/drivers/pcmcia/pxa2xx_base.h b/drivers/pcmcia/pxa2xx_base.h
index b609b45469ed..e58c7a415418 100644
--- a/drivers/pcmcia/pxa2xx_base.h
+++ b/drivers/pcmcia/pxa2xx_base.h
@@ -1,4 +1,4 @@
 int pxa2xx_drv_pcmcia_add_one(struct soc_pcmcia_socket *skt);
 void pxa2xx_drv_pcmcia_ops(struct pcmcia_low_level *ops);
-void pxa2xx_configure_sockets(struct device *dev);
+void pxa2xx_configure_sockets(struct device *dev, struct pcmcia_low_level *ops);
diff --git a/drivers/pcmcia/sa1111_badge4.c b/drivers/pcmcia/sa1111_badge4.c
index 12f0dd091477..2f490930430d 100644
--- a/drivers/pcmcia/sa1111_badge4.c
+++ b/drivers/pcmcia/sa1111_badge4.c
@@ -134,20 +134,14 @@ static struct pcmcia_low_level badge4_pcmcia_ops = {
 int pcmcia_badge4_init(struct sa1111_dev *dev)
 {
-        int ret = -ENODEV;
+        printk(KERN_INFO
+               "%s: badge4_pcmvcc=%d, badge4_pcmvpp=%d, badge4_cfvcc=%d\n",
-        if (machine_is_badge4()) {
+               __func__,
-                printk(KERN_INFO
+               badge4_pcmvcc, badge4_pcmvpp, badge4_cfvcc);
-                       "%s: badge4_pcmvcc=%d, badge4_pcmvpp=%d, badge4_cfvcc=%d\n",
-                       __func__,
+        sa11xx_drv_pcmcia_ops(&badge4_pcmcia_ops);
-                       badge4_pcmvcc, badge4_pcmvpp, badge4_cfvcc);
+        return sa1111_pcmcia_add(dev, &badge4_pcmcia_ops,
+                                 sa11xx_drv_pcmcia_add_one);
-                sa11xx_drv_pcmcia_ops(&badge4_pcmcia_ops);
-                ret = sa1111_pcmcia_add(dev, &badge4_pcmcia_ops,
-                                sa11xx_drv_pcmcia_add_one);
-        }
-        return ret;
 }
 static int __init pcmv_setup(char *s)
diff --git a/drivers/pcmcia/sa1111_generic.c b/drivers/pcmcia/sa1111_generic.c
index a1531feb8460..3d95dffcff7a 100644
--- a/drivers/pcmcia/sa1111_generic.c
+++ b/drivers/pcmcia/sa1111_generic.c
@@ -18,6 +18,7 @@
 #include <mach/hardware.h>
 #include <asm/hardware/sa1111.h>
+#include <asm/mach-types.h>
 #include <asm/irq.h>
 #include "sa1111_generic.h"
@@ -203,19 +204,30 @@ static int pcmcia_probe(struct sa1111_dev *dev)
        sa1111_writel(PCSSR_S0_SLEEP | PCSSR_S1_SLEEP, base + PCSSR);
        sa1111_writel(PCCR_S0_FLT | PCCR_S1_FLT, base + PCCR);
+        ret = -ENODEV;
 #ifdef CONFIG_SA1100_BADGE4
-        pcmcia_badge4_init(dev);
+        if (machine_is_badge4())
+                ret = pcmcia_badge4_init(dev);
 #endif
 #ifdef CONFIG_SA1100_JORNADA720
-        pcmcia_jornada720_init(dev);
+        if (machine_is_jornada720())
+                ret = pcmcia_jornada720_init(dev);
 #endif
 #ifdef CONFIG_ARCH_LUBBOCK
-        pcmcia_lubbock_init(dev);
+        if (machine_is_lubbock())
+                ret = pcmcia_lubbock_init(dev);
 #endif
 #ifdef CONFIG_ASSABET_NEPONSET
-        pcmcia_neponset_init(dev);
+        if (machine_is_assabet())
+                ret = pcmcia_neponset_init(dev);
 #endif
-        return 0;
+        if (ret) {
+                release_mem_region(dev->res.start, 512);
+                sa1111_disable_device(dev);
+        }
+        return ret;
 }
 static int pcmcia_remove(struct sa1111_dev *dev)
diff --git a/drivers/pcmcia/sa1111_jornada720.c b/drivers/pcmcia/sa1111_jornada720.c
index c2c30580c83f..480a3ede27c8 100644
--- a/drivers/pcmcia/sa1111_jornada720.c
+++ b/drivers/pcmcia/sa1111_jornada720.c
@@ -94,22 +94,17 @@ static struct pcmcia_low_level jornada720_pcmcia_ops = {
 int pcmcia_jornada720_init(struct sa1111_dev *sadev)
 {
-        int ret = -ENODEV;
+        unsigned int pin = GPIO_A0 | GPIO_A1 | GPIO_A2 | GPIO_A3;
-        if (machine_is_jornada720()) {
+        /* Fixme: why messing around with SA11x0's GPIO1? */
-                unsigned int pin = GPIO_A0 | GPIO_A1 | GPIO_A2 | GPIO_A3;
+        GRER |= 0x00000002;
-                GRER |= 0x00000002;
+        /* Set GPIO_A<3:1> to be outputs for PCMCIA/CF power controller: */
+        sa1111_set_io_dir(sadev, pin, 0, 0);
+        sa1111_set_io(sadev, pin, 0);
+        sa1111_set_sleep_io(sadev, pin, 0);
-                /* Set GPIO_A<3:1> to be outputs for PCMCIA/CF power controller: */
+        sa11xx_drv_pcmcia_ops(&jornada720_pcmcia_ops);
-                sa1111_set_io_dir(sadev, pin, 0, 0);
+        return sa1111_pcmcia_add(sadev, &jornada720_pcmcia_ops,
-                sa1111_set_io(sadev, pin, 0);
+                                 sa11xx_drv_pcmcia_add_one);
-                sa1111_set_sleep_io(sadev, pin, 0);
-                sa11xx_drv_pcmcia_ops(&jornada720_pcmcia_ops);
-                ret = sa1111_pcmcia_add(sadev, &jornada720_pcmcia_ops,
-                                sa11xx_drv_pcmcia_add_one);
-        }
-        return ret;
 }
diff --git a/drivers/pcmcia/sa1111_lubbock.c b/drivers/pcmcia/sa1111_lubbock.c
index c5caf5790451..e741f499c875 100644
--- a/drivers/pcmcia/sa1111_lubbock.c
+++ b/drivers/pcmcia/sa1111_lubbock.c
@@ -210,27 +210,21 @@ static struct pcmcia_low_level lubbock_pcmcia_ops = {
 int pcmcia_lubbock_init(struct sa1111_dev *sadev)
 {
-        int ret = -ENODEV;
+        /*
+         * Set GPIO_A<3:0> to be outputs for the MAX1600,
-        if (machine_is_lubbock()) {
+         * and switch to standby mode.
-                /*
+         */
-                 * Set GPIO_A<3:0> to be outputs for the MAX1600,
+        sa1111_set_io_dir(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0, 0);
-                 * and switch to standby mode.
+        sa1111_set_io(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0);
-                 */
+        sa1111_set_sleep_io(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0);
-                sa1111_set_io_dir(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0, 0);
-                sa1111_set_io(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0);
-                sa1111_set_sleep_io(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0);
-                /* Set CF Socket 1 power to standby mode. */
-                lubbock_set_misc_wr((1 << 15) | (1 << 14), 0);
-                pxa2xx_drv_pcmcia_ops(&lubbock_pcmcia_ops);
+        /* Set CF Socket 1 power to standby mode. */
-                pxa2xx_configure_sockets(&sadev->dev);
+        lubbock_set_misc_wr((1 << 15) | (1 << 14), 0);
-                ret = sa1111_pcmcia_add(sadev, &lubbock_pcmcia_ops,
-                                pxa2xx_drv_pcmcia_add_one);
-        }
-        return ret;
+        pxa2xx_drv_pcmcia_ops(&lubbock_pcmcia_ops);
+        pxa2xx_configure_sockets(&sadev->dev, &lubbock_pcmcia_ops);
+        return sa1111_pcmcia_add(sadev, &lubbock_pcmcia_ops,
+                                 pxa2xx_drv_pcmcia_add_one);
 }
 MODULE_LICENSE("GPL");
diff --git a/drivers/pcmcia/sa1111_neponset.c b/drivers/pcmcia/sa1111_neponset.c
index 1d78739c4c07..019c395eb4bf 100644
--- a/drivers/pcmcia/sa1111_neponset.c
+++ b/drivers/pcmcia/sa1111_neponset.c
@@ -110,20 +110,14 @@ static struct pcmcia_low_level neponset_pcmcia_ops = {
 int pcmcia_neponset_init(struct sa1111_dev *sadev)
 {
-        int ret = -ENODEV;
+        /*
+         * Set GPIO_A<3:0> to be outputs for the MAX1600,
-        if (machine_is_assabet()) {
+         * and switch to standby mode.
-                /*
+         */
-                 * Set GPIO_A<3:0> to be outputs for the MAX1600,
+        sa1111_set_io_dir(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0, 0);
-                 * and switch to standby mode.
+        sa1111_set_io(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0);
-                 */
+        sa1111_set_sleep_io(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0);
-                sa1111_set_io_dir(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0, 0);
+        sa11xx_drv_pcmcia_ops(&neponset_pcmcia_ops);
-                sa1111_set_io(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0);
+        return sa1111_pcmcia_add(sadev, &neponset_pcmcia_ops,
-                sa1111_set_sleep_io(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0);
+                                 sa11xx_drv_pcmcia_add_one);
-                sa11xx_drv_pcmcia_ops(&neponset_pcmcia_ops);
-                ret = sa1111_pcmcia_add(sadev, &neponset_pcmcia_ops,
-                                sa11xx_drv_pcmcia_add_one);
-        }
-        return ret;
 }
diff --git a/drivers/pcmcia/sa11xx_base.c b/drivers/pcmcia/sa11xx_base.c
index 9f6ec87b9f9e..48140ac73ed6 100644
--- a/drivers/pcmcia/sa11xx_base.c
+++ b/drivers/pcmcia/sa11xx_base.c
@@ -144,19 +144,19 @@ static int
 sa1100_pcmcia_show_timing(struct soc_pcmcia_socket *skt, char *buf)
 {
        struct soc_pcmcia_timing timing;
-        unsigned int clock = clk_get_rate(skt->clk);
+        unsigned int clock = clk_get_rate(skt->clk) / 1000;
        unsigned long mecr = MECR;
        char *p = buf;
        soc_common_pcmcia_get_timing(skt, &timing);
-        p+=sprintf(p, "I/O      : %u (%u)\n", timing.io,
+        p+=sprintf(p, "I/O      : %uns (%uns)\n", timing.io,
                   sa1100_pcmcia_cmd_time(clock, MECR_BSIO_GET(mecr, skt->nr)));
-        p+=sprintf(p, "attribute: %u (%u)\n", timing.attr,
+        p+=sprintf(p, "attribute: %uns (%uns)\n", timing.attr,
                   sa1100_pcmcia_cmd_time(clock, MECR_BSA_GET(mecr, skt->nr)));
-        p+=sprintf(p, "common   : %u (%u)\n", timing.mem,
+        p+=sprintf(p, "common   : %uns (%uns)\n", timing.mem,
                   sa1100_pcmcia_cmd_time(clock, MECR_BSM_GET(mecr, skt->nr)));
        return p - buf;
diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c
index eed5e9c05353..d5ca760c4eb2 100644
--- a/drivers/pcmcia/soc_common.c
+++ b/drivers/pcmcia/soc_common.c
@@ -235,7 +235,7 @@ static unsigned int soc_common_pcmcia_skt_state(struct soc_pcmcia_socket *skt)
        stat |= skt->cs_state.Vcc ? SS_POWERON : 0;
        if (skt->cs_state.flags & SS_IOCARD)
-                stat |= state.bvd1 ? SS_STSCHG : 0;
+                stat |= state.bvd1 ? 0 : SS_STSCHG;
        else {
                if (state.bvd1 == 0)
                        stat |= SS_BATDEAD;
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 15ce4ab11688..a2d90aca779f 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -240,8 +240,10 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum,
        memcpy(&endpoint->desc, d, n);
        INIT_LIST_HEAD(&endpoint->urb_list);
-        /* Fix up bInterval values outside the legal range. Use 32 ms if no
+        /*
-         * proper value can be guessed. */
+         * Fix up bInterval values outside the legal range.
+         * Use 10 or 8 ms if no proper value can be guessed.
+         */
        i = 0;          /* i = min, j = max, n = default */
        j = 255;
        if (usb_endpoint_xfer_int(d)) {
@@ -250,13 +252,15 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum,
                case USB_SPEED_SUPER_PLUS:
                case USB_SPEED_SUPER:
                case USB_SPEED_HIGH:
-                        /* Many device manufacturers are using full-speed
+                        /*
+                         * Many device manufacturers are using full-speed
                         * bInterval values in high-speed interrupt endpoint
-                         * descriptors. Try to fix those and fall back to a
+                         * descriptors. Try to fix those and fall back to an
-                         * 32 ms default value otherwise. */
+                         * 8-ms default value otherwise.
+                         */
                        n = fls(d->bInterval*8);
                        if (n == 0)
-                                n = 9;  /* 32 ms = 2^(9-1) uframes */
+                                n = 7;  /* 8 ms = 2^(7-1) uframes */
                        j = 16;
                        /*
@@ -271,10 +275,12 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum,
                        }
                        break;
                default:                /* USB_SPEED_FULL or _LOW */
-                        /* For low-speed, 10 ms is the official minimum.
+                        /*
+                         * For low-speed, 10 ms is the official minimum.
                         * But some "overclocked" devices might want faster
-                         * polling so we'll allow it. */
+                         * polling so we'll allow it.
-                        n = 32;
+                         */
+                        n = 10;
                        break;
                }
        } else if (usb_endpoint_xfer_isoc(d)) {
@@ -282,10 +288,10 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum,
                j = 16;
                switch (to_usb_device(ddev)->speed) {
                case USB_SPEED_HIGH:
-                        n = 9;          /* 32 ms = 2^(9-1) uframes */
+                        n = 7;          /* 8 ms = 2^(7-1) uframes */
                        break;
                default:                /* USB_SPEED_FULL */
-                        n = 6;          /* 32 ms = 2^(6-1) frames */
+                        n = 4;          /* 8 ms = 2^(4-1) frames */
                        break;
                }
        }
diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index 886526b5fcdd..73cfa13fc0dc 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -87,7 +87,7 @@ config USB_MUSB_DA8XX
 config USB_MUSB_TUSB6010
        tristate "TUSB6010"
        depends on HAS_IOMEM
-        depends on ARCH_OMAP2PLUS || COMPILE_TEST
+        depends on (ARCH_OMAP2PLUS || COMPILE_TEST) && !BLACKFIN
        depends on NOP_USB_XCEIV = USB_MUSB_HDRC # both built-in or both modules
 config USB_MUSB_OMAP2PLUS
diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c
index a204782ae530..e98b6e57b703 100644
--- a/drivers/usb/serial/usb-serial-simple.c
+++ b/drivers/usb/serial/usb-serial-simple.c
@@ -54,7 +54,8 @@ DEVICE(funsoft, FUNSOFT_IDS);
 /* Infineon Flashloader driver */
 #define FLASHLOADER_IDS()               \
        { USB_DEVICE_INTERFACE_CLASS(0x058b, 0x0041, USB_CLASS_CDC_DATA) }, \
-        { USB_DEVICE(0x8087, 0x0716) }
+        { USB_DEVICE(0x8087, 0x0716) }, \
+        { USB_DEVICE(0x8087, 0x0801) }
 DEVICE(flashloader, FLASHLOADER_IDS);
 /* Google Serial USB SubClass */
diff --git a/fs/aio.c b/fs/aio.c
index fb8e45b88cd4..4fe81d1c60f9 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -239,7 +239,12 @@ static struct dentry *aio_mount(struct file_system_type *fs_type,
        static const struct dentry_operations ops = {
                .d_dname        = simple_dname,
        };
-        return mount_pseudo(fs_type, "aio:", NULL, &ops, AIO_RING_MAGIC);
+        struct dentry *root = mount_pseudo(fs_type, "aio:", NULL, &ops,
+                                           AIO_RING_MAGIC);
+        if (!IS_ERR(root))
+                root->d_sb->s_iflags |= SB_I_NOEXEC;
+        return root;
 }
 /* aio_setup
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 6bbec5e784cd..14ae4b8e1a3c 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -609,6 +609,9 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb)
        char *s, *p;
        char sep;
+        if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH)
+                return dget(sb->s_root);
        full_path = cifs_build_path_to_root(vol, cifs_sb,
                                            cifs_sb_master_tcon(cifs_sb));
        if (full_path == NULL)
@@ -686,26 +689,22 @@ cifs_do_mount(struct file_system_type *fs_type,
        cifs_sb->mountdata = kstrndup(data, PAGE_SIZE, GFP_KERNEL);
        if (cifs_sb->mountdata == NULL) {
                root = ERR_PTR(-ENOMEM);
-                goto out_cifs_sb;
+                goto out_free;
        }
-        if (volume_info->prepath) {
+        rc = cifs_setup_cifs_sb(volume_info, cifs_sb);
-                cifs_sb->prepath = kstrdup(volume_info->prepath, GFP_KERNEL);
+        if (rc) {
-                if (cifs_sb->prepath == NULL) {
+                root = ERR_PTR(rc);
-                        root = ERR_PTR(-ENOMEM);
+                goto out_free;
-                        goto out_cifs_sb;
-                }
        }
-        cifs_setup_cifs_sb(volume_info, cifs_sb);
        rc = cifs_mount(cifs_sb, volume_info);
        if (rc) {
                if (!(flags & MS_SILENT))
                        cifs_dbg(VFS, "cifs_mount failed w/return code = %d\n",
                                 rc);
                root = ERR_PTR(rc);
-                goto out_mountdata;
+                goto out_free;
        }
        mnt_data.vol = volume_info;
@@ -735,11 +734,7 @@ cifs_do_mount(struct file_system_type *fs_type,
                sb->s_flags |= MS_ACTIVE;
        }
-        if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH)
+        root = cifs_get_root(volume_info, sb);
-                root = dget(sb->s_root);
-        else
-                root = cifs_get_root(volume_info, sb);
        if (IS_ERR(root))
                goto out_super;
@@ -752,9 +747,9 @@ out:
        cifs_cleanup_volume_info(volume_info);
        return root;
-out_mountdata:
+out_free:
+        kfree(cifs_sb->prepath);
        kfree(cifs_sb->mountdata);
-out_cifs_sb:
        kfree(cifs_sb);
 out_nls:
        unload_nls(volume_info->local_nls);
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 1243bd326591..95dab43646f0 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -184,7 +184,7 @@ extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
                                 unsigned int to_read);
 extern int cifs_read_page_from_socket(struct TCP_Server_Info *server,
                                      struct page *page, unsigned int to_read);
-extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
+extern int cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
                               struct cifs_sb_info *cifs_sb);
 extern int cifs_match_super(struct super_block *, void *);
 extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 7ae03283bd61..2e4f4bad8b1e 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2781,6 +2781,24 @@ compare_mount_options(struct super_block *sb, struct cifs_mnt_data *mnt_data)
        return 1;
 }
+static int
+match_prepath(struct super_block *sb, struct cifs_mnt_data *mnt_data)
+{
+        struct cifs_sb_info *old = CIFS_SB(sb);
+        struct cifs_sb_info *new = mnt_data->cifs_sb;
+        if (old->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH) {
+                if (!(new->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH))
+                        return 0;
+                /* The prepath should be null terminated strings */
+                if (strcmp(new->prepath, old->prepath))
+                        return 0;
+                return 1;
+        }
+        return 0;
+}
 int
 cifs_match_super(struct super_block *sb, void *data)
 {
@@ -2808,7 +2826,8 @@ cifs_match_super(struct super_block *sb, void *data)
        if (!match_server(tcp_srv, volume_info) ||
            !match_session(ses, volume_info) ||
-            !match_tcon(tcon, volume_info->UNC)) {
+            !match_tcon(tcon, volume_info->UNC) ||
+            !match_prepath(sb, mnt_data)) {
                rc = 0;
                goto out;
        }
@@ -3222,7 +3241,7 @@ void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
        }
 }
-void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
+int cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
                        struct cifs_sb_info *cifs_sb)
 {
        INIT_DELAYED_WORK(&cifs_sb->prune_tlinks, cifs_prune_tlinks);
@@ -3316,6 +3335,14 @@ void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
        if ((pvolume_info->cifs_acl) && (pvolume_info->dynperm))
                cifs_dbg(VFS, "mount option dynperm ignored if cifsacl mount option supported\n");
+        if (pvolume_info->prepath) {
+                cifs_sb->prepath = kstrdup(pvolume_info->prepath, GFP_KERNEL);
+                if (cifs_sb->prepath == NULL)
+                        return -ENOMEM;
+        }
+        return 0;
 }
 static void
diff --git a/fs/ioctl.c b/fs/ioctl.c
index 0f56deb24ce6..c415668c86d4 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -568,7 +568,7 @@ static int ioctl_fsthaw(struct file *filp)
        return thaw_super(sb);
 }
-static long ioctl_file_dedupe_range(struct file *file, void __user *arg)
+static int ioctl_file_dedupe_range(struct file *file, void __user *arg)
 {
        struct file_dedupe_range __user *argp = arg;
        struct file_dedupe_range *same = NULL;
@@ -582,6 +582,10 @@ static long ioctl_file_dedupe_range(struct file *file, void __user *arg)
        }
        size = offsetof(struct file_dedupe_range __user, info[count]);
+        if (size > PAGE_SIZE) {
+                ret = -ENOMEM;
+                goto out;
+        }
        same = memdup_user(argp, size);
        if (IS_ERR(same)) {
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 7d620970f2e1..ca699ddc11c1 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -657,7 +657,10 @@ ssize_t nfs_file_write(struct kiocb *iocb, struct iov_iter *from)
        if (result <= 0)
                goto out;
-        written = generic_write_sync(iocb, result);
+        result = generic_write_sync(iocb, result);
+        if (result < 0)
+                goto out;
+        written = result;
        iocb->ki_pos += written;
        /* Return error values */
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index f5aecaabcb7c..a9dec32ba9ba 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -7570,12 +7570,20 @@ static int _nfs4_proc_create_session(struct nfs_client *clp,
        status = rpc_call_sync(session->clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT);
        trace_nfs4_create_session(clp, status);
+        switch (status) {
+        case -NFS4ERR_STALE_CLIENTID:
+        case -NFS4ERR_DELAY:
+        case -ETIMEDOUT:
+        case -EACCES:
+        case -EAGAIN:
+                goto out;
+        };
+        clp->cl_seqid++;
        if (!status) {
                /* Verify the session's negotiated channel_attrs values */
                status = nfs4_verify_channel_attrs(&args, &res);
                /* Increment the clientid slot sequence id */
-                if (clp->cl_seqid == res.seqid)
-                        clp->cl_seqid++;
                if (status)
                        goto out;
                nfs4_update_session(session, &res);
@@ -8190,10 +8198,13 @@ static void nfs4_layoutreturn_release(void *calldata)
        dprintk("--> %s\n", __func__);
        spin_lock(&lo->plh_inode->i_lock);
-        pnfs_mark_matching_lsegs_invalid(lo, &freeme, &lrp->args.range,
+        if (lrp->res.lrs_present) {
-                        be32_to_cpu(lrp->args.stateid.seqid));
+                pnfs_mark_matching_lsegs_invalid(lo, &freeme,
-        if (lrp->res.lrs_present && pnfs_layout_is_valid(lo))
+                                &lrp->args.range,
+                                be32_to_cpu(lrp->args.stateid.seqid));
                pnfs_set_layout_stateid(lo, &lrp->res.stateid, true);
+        } else
+                pnfs_mark_layout_stateid_invalid(lo, &freeme);
        pnfs_clear_layoutreturn_waitbit(lo);
        spin_unlock(&lo->plh_inode->i_lock);
        nfs4_sequence_free_slot(&lrp->res.seq_res);
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 6daf034645c8..2c93a85eda51 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -365,7 +365,8 @@ pnfs_layout_remove_lseg(struct pnfs_layout_hdr *lo,
        /* Matched by pnfs_get_layout_hdr in pnfs_layout_insert_lseg */
        atomic_dec(&lo->plh_refcount);
        if (list_empty(&lo->plh_segs)) {
-                set_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags);
+                if (atomic_read(&lo->plh_outstanding) == 0)
+                        set_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags);
                clear_bit(NFS_LAYOUT_BULK_RECALL, &lo->plh_flags);
        }
        rpc_wake_up(&NFS_SERVER(inode)->roc_rpcwaitq);
@@ -768,17 +769,32 @@ pnfs_destroy_all_layouts(struct nfs_client *clp)
        pnfs_destroy_layouts_byclid(clp, false);
 }
+static void
+pnfs_clear_layoutreturn_info(struct pnfs_layout_hdr *lo)
+{
+        lo->plh_return_iomode = 0;
+        lo->plh_return_seq = 0;
+        clear_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags);
+}
 /* update lo->plh_stateid with new if is more recent */
 void
 pnfs_set_layout_stateid(struct pnfs_layout_hdr *lo, const nfs4_stateid *new,
                        bool update_barrier)
 {
        u32 oldseq, newseq, new_barrier = 0;
-        bool invalid = !pnfs_layout_is_valid(lo);
        oldseq = be32_to_cpu(lo->plh_stateid.seqid);
        newseq = be32_to_cpu(new->seqid);
-        if (invalid || pnfs_seqid_is_newer(newseq, oldseq)) {
+        if (!pnfs_layout_is_valid(lo)) {
+                nfs4_stateid_copy(&lo->plh_stateid, new);
+                lo->plh_barrier = newseq;
+                pnfs_clear_layoutreturn_info(lo);
+                clear_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags);
+                return;
+        }
+        if (pnfs_seqid_is_newer(newseq, oldseq)) {
                nfs4_stateid_copy(&lo->plh_stateid, new);
                /*
                 * Because of wraparound, we want to keep the barrier
@@ -790,7 +806,7 @@ pnfs_set_layout_stateid(struct pnfs_layout_hdr *lo, const nfs4_stateid *new,
                new_barrier = be32_to_cpu(new->seqid);
        else if (new_barrier == 0)
                return;
-        if (invalid || pnfs_seqid_is_newer(new_barrier, lo->plh_barrier))
+        if (pnfs_seqid_is_newer(new_barrier, lo->plh_barrier))
                lo->plh_barrier = new_barrier;
 }
@@ -886,19 +902,14 @@ void pnfs_clear_layoutreturn_waitbit(struct pnfs_layout_hdr *lo)
        rpc_wake_up(&NFS_SERVER(lo->plh_inode)->roc_rpcwaitq);
 }
-static void
-pnfs_clear_layoutreturn_info(struct pnfs_layout_hdr *lo)
-{
-        lo->plh_return_iomode = 0;
-        lo->plh_return_seq = 0;
-        clear_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags);
-}
 static bool
 pnfs_prepare_layoutreturn(struct pnfs_layout_hdr *lo,
                nfs4_stateid *stateid,
                enum pnfs_iomode *iomode)
 {
+        /* Serialise LAYOUTGET/LAYOUTRETURN */
+        if (atomic_read(&lo->plh_outstanding) != 0)
+                return false;
        if (test_and_set_bit(NFS_LAYOUT_RETURN, &lo->plh_flags))
                return false;
        pnfs_get_layout_hdr(lo);
@@ -1798,16 +1809,11 @@ pnfs_layout_process(struct nfs4_layoutget *lgp)
                 */
                pnfs_mark_layout_stateid_invalid(lo, &free_me);
-                nfs4_stateid_copy(&lo->plh_stateid, &res->stateid);
+                pnfs_set_layout_stateid(lo, &res->stateid, true);
-                lo->plh_barrier = be32_to_cpu(res->stateid.seqid);
        }
        pnfs_get_lseg(lseg);
        pnfs_layout_insert_lseg(lo, lseg, &free_me);
-        if (!pnfs_layout_is_valid(lo)) {
-                pnfs_clear_layoutreturn_info(lo);
-                clear_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags);
-        }
        if (res->return_on_close)
diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h
index 5dea1fb6979c..6df9b0749671 100644
--- a/include/asm-generic/uaccess.h
+++ b/include/asm-generic/uaccess.h
@@ -231,14 +231,18 @@ extern int __put_user_bad(void) __attribute__((noreturn));
        might_fault();                                          \
        access_ok(VERIFY_READ, __p, sizeof(*ptr)) ?             \
                __get_user((x), (__typeof__(*(ptr)) *)__p) :    \
-                -EFAULT;                                        \
+                ((x) = (__typeof__(*(ptr)))0,-EFAULT);          \
 })
 #ifndef __get_user_fn
 static inline int __get_user_fn(size_t size, const void __user *ptr, void *x)
 {
-        size = __copy_from_user(x, ptr, size);
+        size_t n = __copy_from_user(x, ptr, size);
-        return size ? -EFAULT : size;
+        if (unlikely(n)) {
+                memset(x + (size - n), 0, n);
+                return -EFAULT;
+        }
+        return 0;
 }
 #define __get_user_fn(sz, u, k) __get_user_fn(sz, u, k)
@@ -258,11 +262,13 @@ extern int __get_user_bad(void) __attribute__((noreturn));
 static inline long copy_from_user(void *to,
                const void __user * from, unsigned long n)
 {
+        unsigned long res = n;
        might_fault();
-        if (access_ok(VERIFY_READ, from, n))
+        if (likely(access_ok(VERIFY_READ, from, n)))
-                return __copy_from_user(to, from, n);
+                res = __copy_from_user(to, from, n);
-        else
+        if (unlikely(res))
-                return n;
+                memset(to + (n - res), 0, res);
+        return res;
 }
 static inline long copy_to_user(void __user *to,
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 436aa4e42221..668569844d37 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -527,13 +527,14 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s
 * object's lifetime is managed by something other than RCU.  That
 * "something other" might be reference counting or simple immortality.
 *
- * The seemingly unused size_t variable is to validate @p is indeed a pointer
+ * The seemingly unused variable ___typecheck_p validates that @p is
- * type by making sure it can be dereferenced.
+ * indeed a pointer type by using a pointer to typeof(*p) as the type.
+ * Taking a pointer to typeof(*p) again is needed in case p is void *.
 */
 #define lockless_dereference(p) \
 ({ \
        typeof(p) _________p1 = READ_ONCE(p); \
-        size_t __maybe_unused __size_of_ptr = sizeof(*(p)); \
+        typeof(*(p)) *___typecheck_p __maybe_unused; \
        smp_read_barrier_depends(); /* Dependency order vs. p above. */ \
        (_________p1); \
 })
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index 242bf530edfc..34bd80512a0c 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -1,6 +1,8 @@
 #ifndef __CPUHOTPLUG_H
 #define __CPUHOTPLUG_H
+#include <linux/types.h>
 enum cpuhp_state {
        CPUHP_OFFLINE,
        CPUHP_CREATE_THREADS,
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 7f5a58225385..0148a3046b48 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -118,6 +118,15 @@ typedef struct {
        u32 imagesize;
 } efi_capsule_header_t;
+struct efi_boot_memmap {
+        efi_memory_desc_t       **map;
+        unsigned long           *map_size;
+        unsigned long           *desc_size;
+        u32                     *desc_ver;
+        unsigned long           *key_ptr;
+        unsigned long           *buff_size;
+};
 /*
 * EFI capsule flags
 */
@@ -946,7 +955,7 @@ extern int efi_memattr_apply_permissions(struct mm_struct *mm,
 /* Iterate through an efi_memory_map */
 #define for_each_efi_memory_desc_in_map(m, md)                             \
        for ((md) = (m)->map;                                              \
-             ((void *)(md) + (m)->desc_size) <= (m)->map_end;              \
+             (md) && ((void *)(md) + (m)->desc_size) <= (m)->map_end;      \
             (md) = (void *)(md) + (m)->desc_size)
 /**
@@ -1371,11 +1380,7 @@ char *efi_convert_cmdline(efi_system_table_t *sys_table_arg,
                          efi_loaded_image_t *image, int *cmd_line_len);
 efi_status_t efi_get_memory_map(efi_system_table_t *sys_table_arg,
-                                efi_memory_desc_t **map,
+                                struct efi_boot_memmap *map);
-                                unsigned long *map_size,
-                                unsigned long *desc_size,
-                                u32 *desc_ver,
-                                unsigned long *key_ptr);
 efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg,
                           unsigned long size, unsigned long align,
@@ -1457,4 +1462,14 @@ extern void efi_call_virt_check_flags(unsigned long flags, const char *call);
        arch_efi_call_virt_teardown();                                  \
 })
+typedef efi_status_t (*efi_exit_boot_map_processing)(
+        efi_system_table_t *sys_table_arg,
+        struct efi_boot_memmap *map,
+        void *priv);
+efi_status_t efi_exit_boot_services(efi_system_table_t *sys_table,
+                                    void *handle,
+                                    struct efi_boot_memmap *map,
+                                    void *priv,
+                                    efi_exit_boot_map_processing priv_func);
 #endif /* _LINUX_EFI_H */
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 603986741f2c..e79875574b39 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -953,6 +953,16 @@ static inline void irq_gc_lock(struct irq_chip_generic *gc) { }
 static inline void irq_gc_unlock(struct irq_chip_generic *gc) { }
 #endif
+/*
+ * The irqsave variants are for usage in non interrupt code. Do not use
+ * them in irq_chip callbacks. Use irq_gc_lock() instead.
+ */
+#define irq_gc_lock_irqsave(gc, flags)  \
+        raw_spin_lock_irqsave(&(gc)->lock, flags)
+#define irq_gc_unlock_irqrestore(gc, flags)     \
+        raw_spin_unlock_irqrestore(&(gc)->lock, flags)
 static inline void irq_reg_writel(struct irq_chip_generic *gc,
                                  u32 val, int reg_offset)
 {
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 21bc4557b67a..d1f9a581aca8 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -6710,9 +6710,10 @@ struct mlx5_ifc_pude_reg_bits {
 };
 struct mlx5_ifc_ptys_reg_bits {
-        u8         an_disable_cap[0x1];
+        u8         reserved_at_0[0x1];
        u8         an_disable_admin[0x1];
-        u8         reserved_at_2[0x6];
+        u8         an_disable_cap[0x1];
+        u8         reserved_at_3[0x5];
        u8         local_port[0x8];
        u8         reserved_at_10[0xd];
        u8         proto_mask[0x3];
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 3a788bf0affd..e8d79d4ebcfe 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3267,6 +3267,7 @@ static inline void napi_free_frags(struct napi_struct *napi)
        napi->skb = NULL;
 }
+bool netdev_is_rx_handler_busy(struct net_device *dev);
 int netdev_rx_handler_register(struct net_device *dev,
                               rx_handler_func_t *rx_handler,
                               void *rx_handler_data);
diff --git a/include/linux/uio.h b/include/linux/uio.h
index 1b5d1cd796e2..75b4aaf31a9d 100644
--- a/include/linux/uio.h
+++ b/include/linux/uio.h
@@ -76,7 +76,7 @@ size_t iov_iter_copy_from_user_atomic(struct page *page,
                struct iov_iter *i, unsigned long offset, size_t bytes);
 void iov_iter_advance(struct iov_iter *i, size_t bytes);
 int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes);
-int iov_iter_fault_in_multipages_readable(struct iov_iter *i, size_t bytes);
+#define iov_iter_fault_in_multipages_readable iov_iter_fault_in_readable
 size_t iov_iter_single_seg_count(const struct iov_iter *i);
 size_t copy_page_to_iter(struct page *page, size_t offset, size_t bytes,
                         struct iov_iter *i);
diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index 9b4c418bebd8..fd60eccb59a6 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -52,7 +52,7 @@ struct unix_sock {
        struct sock             sk;
        struct unix_address     *addr;
        struct path             path;
-        struct mutex            readlock;
+        struct mutex            iolock, bindlock;
        struct sock             *peer;
        struct list_head        link;
        atomic_long_t           inflight;
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 9c23f4d33e06..beb7610d64e9 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1102,6 +1102,7 @@ struct station_info {
        struct cfg80211_tid_stats pertid[IEEE80211_NUM_TIDS + 1];
 };
+#if IS_ENABLED(CONFIG_CFG80211)
 /**
 * cfg80211_get_station - retrieve information about a given station
 * @dev: the device where the station is supposed to be connected to
@@ -1114,6 +1115,14 @@ struct station_info {
 */
 int cfg80211_get_station(struct net_device *dev, const u8 *mac_addr,
                         struct station_info *sinfo);
+#else
+static inline int cfg80211_get_station(struct net_device *dev,
+                                       const u8 *mac_addr,
+                                       struct station_info *sinfo)
+{
+        return -ENOENT;
+}
+#endif
 /**
 * enum monitor_flags - monitor flags
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 4079fc18ffe4..7d4a72e75f33 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -111,6 +111,7 @@ struct fib_info {
        unsigned char           fib_scope;
        unsigned char           fib_type;
        __be32                  fib_prefsrc;
+        u32                     fib_tb_id;
        u32                     fib_priority;
        u32                     *fib_metrics;
 #define fib_mtu fib_metrics[RTAX_MTU-1]
@@ -319,7 +320,7 @@ void fib_flush_external(struct net *net);
 /* Exported by fib_semantics.c */
 int ip_fib_check_default(__be32 gw, struct net_device *dev);
 int fib_sync_down_dev(struct net_device *dev, unsigned long event, bool force);
-int fib_sync_down_addr(struct net *net, __be32 local);
+int fib_sync_down_addr(struct net_device *dev, __be32 local);
 int fib_sync_up(struct net_device *dev, unsigned int nh_flags);
 extern u32 fib_multipath_secret __read_mostly;
diff --git a/include/net/netfilter/nft_meta.h b/include/net/netfilter/nft_meta.h
index d27588c8dbd9..1139cde0fdc5 100644
--- a/include/net/netfilter/nft_meta.h
+++ b/include/net/netfilter/nft_meta.h
@@ -36,4 +36,8 @@ void nft_meta_set_eval(const struct nft_expr *expr,
 void nft_meta_set_destroy(const struct nft_ctx *ctx,
                          const struct nft_expr *expr);
+int nft_meta_set_validate(const struct nft_ctx *ctx,
+                          const struct nft_expr *expr,
+                          const struct nft_data **data);
 #endif
diff --git a/include/net/netfilter/nft_reject.h b/include/net/netfilter/nft_reject.h
index 60fa1530006b..02e28c529b29 100644
--- a/include/net/netfilter/nft_reject.h
+++ b/include/net/netfilter/nft_reject.h
@@ -8,6 +8,10 @@ struct nft_reject {
 extern const struct nla_policy nft_reject_policy[];
+int nft_reject_validate(const struct nft_ctx *ctx,
+                        const struct nft_expr *expr,
+                        const struct nft_data **data);
 int nft_reject_init(const struct nft_ctx *ctx,
                    const struct nft_expr *expr,
                    const struct nlattr * const tb[]);
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 3cfabdf7b942..a54f2c2cdb20 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -2496,11 +2496,11 @@ static int __perf_event_stop(void *info)
        return 0;
 }
-static int perf_event_restart(struct perf_event *event)
+static int perf_event_stop(struct perf_event *event, int restart)
 {
        struct stop_event_data sd = {
                .event          = event,
-                .restart        = 1,
+                .restart        = restart,
        };
        int ret = 0;
@@ -3549,10 +3549,18 @@ static int perf_event_read(struct perf_event *event, bool group)
                        .group = group,
                        .ret = 0,
                };
-                ret = smp_call_function_single(event->oncpu, __perf_event_read, &data, 1);
+                /*
-                /* The event must have been read from an online CPU: */
+                 * Purposely ignore the smp_call_function_single() return
-                WARN_ON_ONCE(ret);
+                 * value.
-                ret = ret ? : data.ret;
+                 *
+                 * If event->oncpu isn't a valid CPU it means the event got
+                 * scheduled out and that will have updated the event count.
+                 *
+                 * Therefore, either way, we'll have an up-to-date event count
+                 * after this.
+                 */
+                (void)smp_call_function_single(event->oncpu, __perf_event_read, &data, 1);
+                ret = data.ret;
        } else if (event->state == PERF_EVENT_STATE_INACTIVE) {
                struct perf_event_context *ctx = event->ctx;
                unsigned long flags;
@@ -4837,6 +4845,19 @@ static void ring_buffer_attach(struct perf_event *event,
                spin_unlock_irqrestore(&rb->event_lock, flags);
        }
+        /*
+         * Avoid racing with perf_mmap_close(AUX): stop the event
+         * before swizzling the event::rb pointer; if it's getting
+         * unmapped, its aux_mmap_count will be 0 and it won't
+         * restart. See the comment in __perf_pmu_output_stop().
+         *
+         * Data will inevitably be lost when set_output is done in
+         * mid-air, but then again, whoever does it like this is
+         * not in for the data anyway.
+         */
+        if (has_aux(event))
+                perf_event_stop(event, 0);
        rcu_assign_pointer(event->rb, rb);
        if (old_rb) {
@@ -6112,7 +6133,7 @@ static void perf_event_addr_filters_exec(struct perf_event *event, void *data)
        raw_spin_unlock_irqrestore(&ifh->lock, flags);
        if (restart)
-                perf_event_restart(event);
+                perf_event_stop(event, 1);
 }
 void perf_event_exec(void)
@@ -6156,7 +6177,13 @@ static void __perf_event_output_stop(struct perf_event *event, void *data)
        /*
         * In case of inheritance, it will be the parent that links to the
-         * ring-buffer, but it will be the child that's actually using it:
+         * ring-buffer, but it will be the child that's actually using it.
+         *
+         * We are using event::rb to determine if the event should be stopped,
+         * however this may race with ring_buffer_attach() (through set_output),
+         * which will make us skip the event that actually needs to be stopped.
+         * So ring_buffer_attach() has to stop an aux event before re-assigning
+         * its rb pointer.
         */
        if (rcu_dereference(parent->rb) == rb)
                ro->err = __perf_event_stop(&sd);
@@ -6670,7 +6697,7 @@ static void __perf_addr_filters_adjust(struct perf_event *event, void *data)
        raw_spin_unlock_irqrestore(&ifh->lock, flags);
        if (restart)
-                perf_event_restart(event);
+                perf_event_stop(event, 1);
 }
 /*
@@ -7859,7 +7886,7 @@ static void perf_event_addr_filters_apply(struct perf_event *event)
        mmput(mm);
 restart:
-        perf_event_restart(event);
+        perf_event_stop(event, 1);
 }
 /*
diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c
index ae9b90dc9a5a..257fa460b846 100644
--- a/kernel/events/ring_buffer.c
+++ b/kernel/events/ring_buffer.c
@@ -330,15 +330,22 @@ void *perf_aux_output_begin(struct perf_output_handle *handle,
        if (!rb)
                return NULL;
-        if (!rb_has_aux(rb) || !atomic_inc_not_zero(&rb->aux_refcount))
+        if (!rb_has_aux(rb))
                goto err;
        /*
-         * If rb::aux_mmap_count is zero (and rb_has_aux() above went through),
+         * If aux_mmap_count is zero, the aux buffer is in perf_mmap_close(),
-         * the aux buffer is in perf_mmap_close(), about to get freed.
+         * about to get freed, so we leave immediately.
+         *
+         * Checking rb::aux_mmap_count and rb::refcount has to be done in
+         * the same order, see perf_mmap_close. Otherwise we end up freeing
+         * aux pages in this path, which is a bug, because in_atomic().
         */
        if (!atomic_read(&rb->aux_mmap_count))
-                goto err_put;
+                goto err;
+        if (!atomic_inc_not_zero(&rb->aux_refcount))
+                goto err;
        /*
         * Nesting is not supported for AUX area, make sure nested
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 18f29586f230..d8dfdc630b7e 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -829,6 +829,8 @@ __irq_do_set_handler(struct irq_desc *desc, irq_flow_handler_t handle,
        desc->name = name;
        if (handle != handle_bad_irq && is_chained) {
+                unsigned int type = irqd_get_trigger_type(&desc->irq_data);
                /*
                 * We're about to start this interrupt immediately,
                 * hence the need to set the trigger configuration.
@@ -837,8 +839,10 @@ __irq_do_set_handler(struct irq_desc *desc, irq_flow_handler_t handle,
                 * chained interrupt. Reset it immediately because we
                 * do know better.
                 */
-                __irq_set_trigger(desc, irqd_get_trigger_type(&desc->irq_data));
+                if (type != IRQ_TYPE_NONE) {
-                desc->handle_irq = handle;
+                        __irq_set_trigger(desc, type);
+                        desc->handle_irq = handle;
+                }
                irq_settings_set_noprobe(desc);
                irq_settings_set_norequest(desc);
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 2a906f20fba7..44817c640e99 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2016,6 +2016,28 @@ try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags)
        success = 1; /* we're going to change ->state */
        cpu = task_cpu(p);
+        /*
+         * Ensure we load p->on_rq _after_ p->state, otherwise it would
+         * be possible to, falsely, observe p->on_rq == 0 and get stuck
+         * in smp_cond_load_acquire() below.
+         *
+         * sched_ttwu_pending()                 try_to_wake_up()
+         *   [S] p->on_rq = 1;                  [L] P->state
+         *       UNLOCK rq->lock  -----.
+         *                              \
+         *                               +---   RMB
+         * schedule()                   /
+         *       LOCK rq->lock    -----'
+         *       UNLOCK rq->lock
+         *
+         * [task p]
+         *   [S] p->state = UNINTERRUPTIBLE     [L] p->on_rq
+         *
+         * Pairs with the UNLOCK+LOCK on rq->lock from the
+         * last wakeup of our task and the schedule that got our task
+         * current.
+         */
+        smp_rmb();
        if (p->on_rq && ttwu_remote(p, wake_flags))
                goto stat;
diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index 9e8c7386b3a0..7e3138cfc8c9 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -291,33 +291,13 @@ done:
 }
 /*
- * Fault in the first iovec of the given iov_iter, to a maximum length
- * of bytes. Returns 0 on success, or non-zero if the memory could not be
- * accessed (ie. because it is an invalid address).
- *
- * writev-intensive code may want this to prefault several iovecs -- that
- * would be possible (callers must not rely on the fact that _only_ the
- * first iovec will be faulted with the current implementation).
- */
-int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes)
-{
-        if (!(i->type & (ITER_BVEC|ITER_KVEC))) {
-                char __user *buf = i->iov->iov_base + i->iov_offset;
-                bytes = min(bytes, i->iov->iov_len - i->iov_offset);
-                return fault_in_pages_readable(buf, bytes);
-        }
-        return 0;
-}
-EXPORT_SYMBOL(iov_iter_fault_in_readable);
-/*
 * Fault in one or more iovecs of the given iov_iter, to a maximum length of
 * bytes.  For each iovec, fault in each page that constitutes the iovec.
 *
 * Return 0 on success, or non-zero if the memory could not be accessed (i.e.
 * because it is an invalid address).
 */
-int iov_iter_fault_in_multipages_readable(struct iov_iter *i, size_t bytes)
+int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes)
 {
        size_t skip = i->iov_offset;
        const struct iovec *iov;
@@ -334,7 +314,7 @@ int iov_iter_fault_in_multipages_readable(struct iov_iter *i, size_t bytes)
        }
        return 0;
 }
-EXPORT_SYMBOL(iov_iter_fault_in_multipages_readable);
+EXPORT_SYMBOL(iov_iter_fault_in_readable);
 void iov_iter_init(struct iov_iter *i, int direction,
                        const struct iovec *iov, unsigned long nr_segs,
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 8e486203d133..abe11f085479 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -80,13 +80,10 @@ static void br_do_proxy_arp(struct sk_buff *skb, struct net_bridge *br,
        BR_INPUT_SKB_CB(skb)->proxyarp_replied = false;
-        if (dev->flags & IFF_NOARP)
+        if ((dev->flags & IFF_NOARP) ||
+            !pskb_may_pull(skb, arp_hdr_len(dev)))
                return;
-        if (!pskb_may_pull(skb, arp_hdr_len(dev))) {
-                dev->stats.tx_dropped++;
-                return;
-        }
        parp = arp_hdr(skb);
        if (parp->ar_pro != htons(ETH_P_IP) ||
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index a5423a1eec05..c5fea9393946 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1138,7 +1138,7 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br,
                } else {
                        err = br_ip6_multicast_add_group(br, port,
                                                         &grec->grec_mca, vid);
-                        if (!err)
+                        if (err)
                                break;
                }
        }
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index cceac5bb658f..0833c251aef7 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -368,6 +368,8 @@ ebt_check_match(struct ebt_entry_match *m, struct xt_mtchk_param *par,
        match = xt_find_match(NFPROTO_BRIDGE, m->u.name, 0);
        if (IS_ERR(match) || match->family != NFPROTO_BRIDGE) {
+                if (!IS_ERR(match))
+                        module_put(match->me);
                request_module("ebt_%s", m->u.name);
                match = xt_find_match(NFPROTO_BRIDGE, m->u.name, 0);
        }
diff --git a/net/bridge/netfilter/nft_meta_bridge.c b/net/bridge/netfilter/nft_meta_bridge.c
index 4b901d9f2e7c..ad47a921b701 100644
--- a/net/bridge/netfilter/nft_meta_bridge.c
+++ b/net/bridge/netfilter/nft_meta_bridge.c
@@ -86,6 +86,7 @@ static const struct nft_expr_ops nft_meta_bridge_set_ops = {
        .init           = nft_meta_set_init,
        .destroy        = nft_meta_set_destroy,
        .dump           = nft_meta_set_dump,
+        .validate       = nft_meta_set_validate,
 };
 static const struct nft_expr_ops *
diff --git a/net/core/dev.c b/net/core/dev.c
index dd6ce598de89..ea6312057a71 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3975,6 +3975,22 @@ sch_handle_ingress(struct sk_buff *skb, struct packet_type **pt_prev, int *ret,
 }
 /**
+ *      netdev_is_rx_handler_busy - check if receive handler is registered
+ *      @dev: device to check
+ *
+ *      Check if a receive handler is already registered for a given device.
+ *      Return true if there one.
+ *
+ *      The caller must hold the rtnl_mutex.
+ */
+bool netdev_is_rx_handler_busy(struct net_device *dev)
+{
+        ASSERT_RTNL();
+        return dev && rtnl_dereference(dev->rx_handler);
+}
+EXPORT_SYMBOL_GPL(netdev_is_rx_handler_busy);
+/**
 *      netdev_rx_handler_register - register receive handler
 *      @dev: device to register a handler for
 *      @rx_handler: receive handler to register
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index 61ad43f61c5e..52742a02814f 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -680,11 +680,13 @@ EXPORT_SYMBOL_GPL(__skb_get_hash_symmetric);
 void __skb_get_hash(struct sk_buff *skb)
 {
        struct flow_keys keys;
+        u32 hash;
        __flow_hash_secret_init();
-        __skb_set_sw_hash(skb, ___skb_get_hash(skb, &keys, hashrnd),
+        hash = ___skb_get_hash(skb, &keys, hashrnd);
-                          flow_keys_have_l4(&keys));
+        __skb_set_sw_hash(skb, hash, flow_keys_have_l4(&keys));
 }
 EXPORT_SYMBOL(__skb_get_hash);
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 415e117967c7..062a67ca9a21 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -2232,7 +2232,7 @@ static struct devinet_sysctl_table {
 };
 static int __devinet_sysctl_register(struct net *net, char *dev_name,
-                                        struct ipv4_devconf *p)
+                                     int ifindex, struct ipv4_devconf *p)
 {
        int i;
        struct devinet_sysctl_table *t;
@@ -2255,6 +2255,8 @@ static int __devinet_sysctl_register(struct net *net, char *dev_name,
                goto free;
        p->sysctl = t;
+        inet_netconf_notify_devconf(net, NETCONFA_ALL, ifindex, p);
        return 0;
 free:
@@ -2286,7 +2288,7 @@ static int devinet_sysctl_register(struct in_device *idev)
        if (err)
                return err;
        err = __devinet_sysctl_register(dev_net(idev->dev), idev->dev->name,
-                                        &idev->cnf);
+                                        idev->dev->ifindex, &idev->cnf);
        if (err)
                neigh_sysctl_unregister(idev->arp_parms);
        return err;
@@ -2347,11 +2349,12 @@ static __net_init int devinet_init_net(struct net *net)
        }
 #ifdef CONFIG_SYSCTL
-        err = __devinet_sysctl_register(net, "all", all);
+        err = __devinet_sysctl_register(net, "all", NETCONFA_IFINDEX_ALL, all);
        if (err < 0)
                goto err_reg_all;
-        err = __devinet_sysctl_register(net, "default", dflt);
+        err = __devinet_sysctl_register(net, "default",
+                                        NETCONFA_IFINDEX_DEFAULT, dflt);
        if (err < 0)
                goto err_reg_dflt;
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index ef2ebeb89d0f..1b25daf8c7f1 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -509,6 +509,7 @@ static int rtentry_to_fib_config(struct net *net, int cmd, struct rtentry *rt,
                if (!dev)
                        return -ENODEV;
                cfg->fc_oif = dev->ifindex;
+                cfg->fc_table = l3mdev_fib_table(dev);
                if (colon) {
                        struct in_ifaddr *ifa;
                        struct in_device *in_dev = __in_dev_get_rtnl(dev);
@@ -1027,7 +1028,7 @@ no_promotions:
                         * First of all, we scan fib_info list searching
                         * for stray nexthop entries, then ignite fib_flush.
                         */
-                        if (fib_sync_down_addr(dev_net(dev), ifa->ifa_local))
+                        if (fib_sync_down_addr(dev, ifa->ifa_local))
                                fib_flush(dev_net(dev));
                }
        }
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 539fa264e67d..e9f56225e53f 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -1057,6 +1057,7 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
        fi->fib_priority = cfg->fc_priority;
        fi->fib_prefsrc = cfg->fc_prefsrc;
        fi->fib_type = cfg->fc_type;
+        fi->fib_tb_id = cfg->fc_table;
        fi->fib_nhs = nhs;
        change_nexthops(fi) {
@@ -1337,18 +1338,21 @@ nla_put_failure:
 *   referring to it.
 * - device went down -> we must shutdown all nexthops going via it.
 */
-int fib_sync_down_addr(struct net *net, __be32 local)
+int fib_sync_down_addr(struct net_device *dev, __be32 local)
 {
        int ret = 0;
        unsigned int hash = fib_laddr_hashfn(local);
        struct hlist_head *head = &fib_info_laddrhash[hash];
+        struct net *net = dev_net(dev);
+        int tb_id = l3mdev_fib_table(dev);
        struct fib_info *fi;
        if (!fib_info_laddrhash || local == 0)
                return 0;
        hlist_for_each_entry(fi, head, fib_lhash) {
-                if (!net_eq(fi->fib_net, net))
+                if (!net_eq(fi->fib_net, net) ||
+                    fi->fib_tb_id != tb_id)
                        continue;
                if (fi->fib_prefsrc == local) {
                        fi->fib_flags |= RTNH_F_DEAD;
diff --git a/net/ipv4/netfilter/nft_reject_ipv4.c b/net/ipv4/netfilter/nft_reject_ipv4.c
index c24f41c816b3..2c2553b9026c 100644
--- a/net/ipv4/netfilter/nft_reject_ipv4.c
+++ b/net/ipv4/netfilter/nft_reject_ipv4.c
@@ -46,6 +46,7 @@ static const struct nft_expr_ops nft_reject_ipv4_ops = {
        .eval           = nft_reject_ipv4_eval,
        .init           = nft_reject_init,
        .dump           = nft_reject_dump,
+        .validate       = nft_reject_validate,
 };
 static struct nft_expr_type nft_reject_ipv4_type __read_mostly = {
diff --git a/net/ipv4/tcp_fastopen.c b/net/ipv4/tcp_fastopen.c
index 54d9f9b0120f..4e777a3243f9 100644
--- a/net/ipv4/tcp_fastopen.c
+++ b/net/ipv4/tcp_fastopen.c
@@ -150,6 +150,7 @@ void tcp_fastopen_add_skb(struct sock *sk, struct sk_buff *skb)
        tp->segs_in = 0;
        tcp_segs_in(tp, skb);
        __skb_pull(skb, tcp_hdrlen(skb));
+        sk_forced_mem_schedule(sk, skb->truesize);
        skb_set_owner_r(skb, sk);
        TCP_SKB_CB(skb)->seq++;
@@ -226,6 +227,7 @@ static struct sock *tcp_fastopen_create_child(struct sock *sk,
        tcp_fastopen_add_skb(child, skb);
        tcp_rsk(req)->rcv_nxt = tp->rcv_nxt;
+        tp->rcv_wup = tp->rcv_nxt;
        /* tcp_conn_request() is sending the SYNACK,
         * and queues the child into listener accept queue.
         */
diff --git a/net/ipv4/tcp_yeah.c b/net/ipv4/tcp_yeah.c
index 028eb046ea40..9c5fc973267f 100644
--- a/net/ipv4/tcp_yeah.c
+++ b/net/ipv4/tcp_yeah.c
@@ -76,7 +76,7 @@ static void tcp_yeah_cong_avoid(struct sock *sk, u32 ack, u32 acked)
        if (!tcp_is_cwnd_limited(sk))
                return;
-        if (tp->snd_cwnd <= tp->snd_ssthresh)
+        if (tcp_in_slow_start(tp))
                tcp_slow_start(tp, acked);
        else if (!yeah->doing_reno_now) {
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index b644a23c3db0..41f5b504a782 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -29,7 +29,7 @@ static struct dst_entry *__xfrm4_dst_lookup(struct net *net, struct flowi4 *fl4,
        memset(fl4, 0, sizeof(*fl4));
        fl4->daddr = daddr->a4;
        fl4->flowi4_tos = tos;
-        fl4->flowi4_oif = oif;
+        fl4->flowi4_oif = l3mdev_master_ifindex_by_index(net, oif);
        if (saddr)
                fl4->saddr = saddr->a4;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index f418d2eaeddd..2f1f5d439788 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -778,7 +778,14 @@ static int addrconf_fixup_forwarding(struct ctl_table *table, int *p, int newf)
        }
        if (p == &net->ipv6.devconf_all->forwarding) {
+                int old_dflt = net->ipv6.devconf_dflt->forwarding;
                net->ipv6.devconf_dflt->forwarding = newf;
+                if ((!newf) ^ (!old_dflt))
+                        inet6_netconf_notify_devconf(net, NETCONFA_FORWARDING,
+                                                     NETCONFA_IFINDEX_DEFAULT,
+                                                     net->ipv6.devconf_dflt);
                addrconf_forward_change(net, newf);
                if ((!newf) ^ (!old))
                        inet6_netconf_notify_devconf(net, NETCONFA_FORWARDING,
@@ -1941,6 +1948,7 @@ errdad:
        spin_unlock_bh(&ifp->lock);
        addrconf_mod_dad_work(ifp, 0);
+        in6_ifa_put(ifp);
 }
 /* Join to solicited addr multicast group.
@@ -3850,6 +3858,7 @@ static void addrconf_dad_work(struct work_struct *w)
                addrconf_dad_begin(ifp);
                goto out;
        } else if (action == DAD_ABORT) {
+                in6_ifa_hold(ifp);
                addrconf_dad_stop(ifp, 1);
                if (disable_ipv6)
                        addrconf_ifdown(idev->dev, 0);
@@ -6025,7 +6034,7 @@ static const struct ctl_table addrconf_sysctl[] = {
 static int __addrconf_sysctl_register(struct net *net, char *dev_name,
                struct inet6_dev *idev, struct ipv6_devconf *p)
 {
-        int i;
+        int i, ifindex;
        struct ctl_table *table;
        char path[sizeof("net/ipv6/conf/") + IFNAMSIZ];
@@ -6045,6 +6054,13 @@ static int __addrconf_sysctl_register(struct net *net, char *dev_name,
        if (!p->sysctl_header)
                goto free;
+        if (!strcmp(dev_name, "all"))
+                ifindex = NETCONFA_IFINDEX_ALL;
+        else if (!strcmp(dev_name, "default"))
+                ifindex = NETCONFA_IFINDEX_DEFAULT;
+        else
+                ifindex = idev->dev->ifindex;
+        inet6_netconf_notify_devconf(net, NETCONFA_ALL, ifindex, p);
        return 0;
 free:
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 7b0481e3738f..888543debe4e 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1174,6 +1174,7 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
                encap_limit = t->parms.encap_limit;
        memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6));
+        fl6.flowi6_proto = IPPROTO_IPIP;
        dsfield = ipv4_get_dsfield(iph);
@@ -1233,6 +1234,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
                encap_limit = t->parms.encap_limit;
        memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6));
+        fl6.flowi6_proto = IPPROTO_IPV6;
        dsfield = ipv6_get_dsfield(ipv6h);
        if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS)
diff --git a/net/ipv6/netfilter/nft_reject_ipv6.c b/net/ipv6/netfilter/nft_reject_ipv6.c
index 533cd5719c59..92bda9908bb9 100644
--- a/net/ipv6/netfilter/nft_reject_ipv6.c
+++ b/net/ipv6/netfilter/nft_reject_ipv6.c
@@ -47,6 +47,7 @@ static const struct nft_expr_ops nft_reject_ipv6_ops = {
        .eval           = nft_reject_ipv6_eval,
        .init           = nft_reject_init,
        .dump           = nft_reject_dump,
+        .validate       = nft_reject_validate,
 };
 static struct nft_expr_type nft_reject_ipv6_type __read_mostly = {
diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c
index 0900352c924c..0e983b694ee8 100644
--- a/net/ipv6/ping.c
+++ b/net/ipv6/ping.c
@@ -126,8 +126,10 @@ static int ping_v6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
        rt = (struct rt6_info *) dst;
        np = inet6_sk(sk);
-        if (!np)
+        if (!np) {
-                return -EBADF;
+                err = -EBADF;
+                goto dst_err_out;
+        }
        if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr))
                fl6.flowi6_oif = np->mcast_oif;
@@ -163,6 +165,9 @@ static int ping_v6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
        }
        release_sock(sk);
+dst_err_out:
+        dst_release(dst);
        if (err)
                return err;
diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c
index 0eaab1fa6be5..00a2d40677d6 100644
--- a/net/ipv6/xfrm6_input.c
+++ b/net/ipv6/xfrm6_input.c
@@ -23,6 +23,7 @@ int xfrm6_extract_input(struct xfrm_state *x, struct sk_buff *skb)
 int xfrm6_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi)
 {
+        XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6 = NULL;
        XFRM_SPI_SKB_CB(skb)->family = AF_INET6;
        XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct ipv6hdr, daddr);
        return xfrm_input(skb, nexthdr, spi, 0);
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 6cc97003e4a9..70a86adad875 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -36,7 +36,7 @@ static struct dst_entry *xfrm6_dst_lookup(struct net *net, int tos, int oif,
        int err;
        memset(&fl6, 0, sizeof(fl6));
-        fl6.flowi6_oif = oif;
+        fl6.flowi6_oif = l3mdev_master_ifindex_by_index(net, oif);
        fl6.flowi6_flags = FLOWI_FLAG_SKIP_NH_OIF;
        memcpy(&fl6.daddr, daddr, sizeof(fl6.daddr));
        if (saddr)
diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c
index cb39e05b166c..411693288648 100644
--- a/net/kcm/kcmsock.c
+++ b/net/kcm/kcmsock.c
@@ -13,6 +13,7 @@
 #include <linux/socket.h>
 #include <linux/uaccess.h>
 #include <linux/workqueue.h>
+#include <linux/syscalls.h>
 #include <net/kcm.h>
 #include <net/netns/generic.h>
 #include <net/sock.h>
@@ -2029,7 +2030,7 @@ static int kcm_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
                        if (copy_to_user((void __user *)arg, &info,
                                         sizeof(info))) {
                                err = -EFAULT;
-                                sock_release(newsock);
+                                sys_close(info.fd);
                        }
                }
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 1e40dacaa137..a2ed3bda4ddc 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -1855,6 +1855,9 @@ static __net_exit void l2tp_exit_net(struct net *net)
                (void)l2tp_tunnel_delete(tunnel);
        }
        rcu_read_unlock_bh();
+        flush_workqueue(l2tp_wq);
+        rcu_barrier();
 }
 static struct pernet_operations l2tp_net_ops = {
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index b5d28f14b9cf..afca7d103684 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -333,10 +333,11 @@ ieee80211_tdls_chandef_vht_upgrade(struct ieee80211_sub_if_data *sdata,
        if (!uc.center_freq1)
                return;
-        /* proceed to downgrade the chandef until usable or the same */
+        /* proceed to downgrade the chandef until usable or the same as AP BW */
        while (uc.width > max_width ||
-               !cfg80211_reg_can_beacon_relax(sdata->local->hw.wiphy, &uc,
+               (uc.width > sta->tdls_chandef.width &&
-                                              sdata->wdev.iftype))
+                !cfg80211_reg_can_beacon_relax(sdata->local->hw.wiphy, &uc,
+                                               sdata->wdev.iftype)))
                ieee80211_chandef_downgrade(&uc);
        if (!cfg80211_chandef_identical(&uc, &sta->tdls_chandef)) {
diff --git a/net/netfilter/nf_tables_netdev.c b/net/netfilter/nf_tables_netdev.c
index 5eefe4a355c6..75d696f11045 100644
--- a/net/netfilter/nf_tables_netdev.c
+++ b/net/netfilter/nf_tables_netdev.c
@@ -30,7 +30,6 @@ nft_netdev_set_pktinfo_ipv4(struct nft_pktinfo *pkt,
        if (!iph)
                return;
-        iph = ip_hdr(skb);
        if (iph->ihl < 5 || iph->version != 4)
                return;
diff --git a/net/netfilter/nfnetlink_acct.c b/net/netfilter/nfnetlink_acct.c
index 70eb2f6a3b01..d44d89b56127 100644
--- a/net/netfilter/nfnetlink_acct.c
+++ b/net/netfilter/nfnetlink_acct.c
@@ -343,12 +343,12 @@ static int nfnl_acct_del(struct net *net, struct sock *nfnl,
                         struct sk_buff *skb, const struct nlmsghdr *nlh,
                         const struct nlattr * const tb[])
 {
-        char *acct_name;
+        struct nf_acct *cur, *tmp;
-        struct nf_acct *cur;
        int ret = -ENOENT;
+        char *acct_name;
        if (!tb[NFACCT_NAME]) {
-                list_for_each_entry(cur, &net->nfnl_acct_list, head)
+                list_for_each_entry_safe(cur, tmp, &net->nfnl_acct_list, head)
                        nfnl_acct_try_del(cur);
                return 0;
diff --git a/net/netfilter/nfnetlink_cttimeout.c b/net/netfilter/nfnetlink_cttimeout.c
index 68216cdc7083..139e0867e56e 100644
--- a/net/netfilter/nfnetlink_cttimeout.c
+++ b/net/netfilter/nfnetlink_cttimeout.c
@@ -98,31 +98,28 @@ static int cttimeout_new_timeout(struct net *net, struct sock *ctnl,
                break;
        }
-        l4proto = nf_ct_l4proto_find_get(l3num, l4num);
-        /* This protocol is not supportted, skip. */
-        if (l4proto->l4proto != l4num) {
-                ret = -EOPNOTSUPP;
-                goto err_proto_put;
-        }
        if (matching) {
                if (nlh->nlmsg_flags & NLM_F_REPLACE) {
                        /* You cannot replace one timeout policy by another of
                         * different kind, sorry.
                         */
                        if (matching->l3num != l3num ||
-                            matching->l4proto->l4proto != l4num) {
+                            matching->l4proto->l4proto != l4num)
-                                ret = -EINVAL;
+                                return -EINVAL;
-                                goto err_proto_put;
-                        }
+                        return ctnl_timeout_parse_policy(&matching->data,
+                                                         matching->l4proto, net,
-                        ret = ctnl_timeout_parse_policy(&matching->data,
+                                                         cda[CTA_TIMEOUT_DATA]);
-                                                        l4proto, net,
-                                                        cda[CTA_TIMEOUT_DATA]);
-                        return ret;
                }
-                ret = -EBUSY;
+                return -EBUSY;
+        }
+        l4proto = nf_ct_l4proto_find_get(l3num, l4num);
+        /* This protocol is not supportted, skip. */
+        if (l4proto->l4proto != l4num) {
+                ret = -EOPNOTSUPP;
                goto err_proto_put;
        }
@@ -305,7 +302,16 @@ static void ctnl_untimeout(struct net *net, struct ctnl_timeout *timeout)
        const struct hlist_nulls_node *nn;
        unsigned int last_hsize;
        spinlock_t *lock;
-        int i;
+        int i, cpu;
+        for_each_possible_cpu(cpu) {
+                struct ct_pcpu *pcpu = per_cpu_ptr(net->ct.pcpu_lists, cpu);
+                spin_lock_bh(&pcpu->lock);
+                hlist_nulls_for_each_entry(h, nn, &pcpu->unconfirmed, hnnode)
+                        untimeout(h, timeout);
+                spin_unlock_bh(&pcpu->lock);
+        }
        local_bh_disable();
 restart:
@@ -350,12 +356,13 @@ static int cttimeout_del_timeout(struct net *net, struct sock *ctnl,
                                 const struct nlmsghdr *nlh,
                                 const struct nlattr * const cda[])
 {
-        struct ctnl_timeout *cur;
+        struct ctnl_timeout *cur, *tmp;
        int ret = -ENOENT;
        char *name;
        if (!cda[CTA_TIMEOUT_NAME]) {
-                list_for_each_entry(cur, &net->nfct_timeout_list, head)
+                list_for_each_entry_safe(cur, tmp, &net->nfct_timeout_list,
+                                         head)
                        ctnl_timeout_try_del(net, cur);
                return 0;
diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c
index 2863f3493038..8a6bc7630912 100644
--- a/net/netfilter/nft_meta.c
+++ b/net/netfilter/nft_meta.c
@@ -291,10 +291,16 @@ int nft_meta_get_init(const struct nft_ctx *ctx,
 }
 EXPORT_SYMBOL_GPL(nft_meta_get_init);
-static int nft_meta_set_init_pkttype(const struct nft_ctx *ctx)
+int nft_meta_set_validate(const struct nft_ctx *ctx,
+                          const struct nft_expr *expr,
+                          const struct nft_data **data)
 {
+        struct nft_meta *priv = nft_expr_priv(expr);
        unsigned int hooks;
+        if (priv->key != NFT_META_PKTTYPE)
+                return 0;
        switch (ctx->afi->family) {
        case NFPROTO_BRIDGE:
                hooks = 1 << NF_BR_PRE_ROUTING;
@@ -308,6 +314,7 @@ static int nft_meta_set_init_pkttype(const struct nft_ctx *ctx)
        return nft_chain_validate_hooks(ctx->chain, hooks);
 }
+EXPORT_SYMBOL_GPL(nft_meta_set_validate);
 int nft_meta_set_init(const struct nft_ctx *ctx,
                      const struct nft_expr *expr,
@@ -327,15 +334,16 @@ int nft_meta_set_init(const struct nft_ctx *ctx,
                len = sizeof(u8);
                break;
        case NFT_META_PKTTYPE:
-                err = nft_meta_set_init_pkttype(ctx);
-                if (err)
-                        return err;
                len = sizeof(u8);
                break;
        default:
                return -EOPNOTSUPP;
        }
+        err = nft_meta_set_validate(ctx, expr, NULL);
+        if (err < 0)
+                return err;
        priv->sreg = nft_parse_register(tb[NFTA_META_SREG]);
        err = nft_validate_register_load(priv->sreg, len);
        if (err < 0)
@@ -407,6 +415,7 @@ static const struct nft_expr_ops nft_meta_set_ops = {
        .init           = nft_meta_set_init,
        .destroy        = nft_meta_set_destroy,
        .dump           = nft_meta_set_dump,
+        .validate       = nft_meta_set_validate,
 };
 static const struct nft_expr_ops *
diff --git a/net/netfilter/nft_reject.c b/net/netfilter/nft_reject.c
index 0522fc9bfb0a..c64de3f7379d 100644
--- a/net/netfilter/nft_reject.c
+++ b/net/netfilter/nft_reject.c
@@ -26,11 +26,27 @@ const struct nla_policy nft_reject_policy[NFTA_REJECT_MAX + 1] = {
 };
 EXPORT_SYMBOL_GPL(nft_reject_policy);
+int nft_reject_validate(const struct nft_ctx *ctx,
+                        const struct nft_expr *expr,
+                        const struct nft_data **data)
+{
+        return nft_chain_validate_hooks(ctx->chain,
+                                        (1 << NF_INET_LOCAL_IN) |
+                                        (1 << NF_INET_FORWARD) |
+                                        (1 << NF_INET_LOCAL_OUT));
+}
+EXPORT_SYMBOL_GPL(nft_reject_validate);
 int nft_reject_init(const struct nft_ctx *ctx,
                    const struct nft_expr *expr,
                    const struct nlattr * const tb[])
 {
        struct nft_reject *priv = nft_expr_priv(expr);
+        int err;
+        err = nft_reject_validate(ctx, expr, NULL);
+        if (err < 0)
+                return err;
        if (tb[NFTA_REJECT_TYPE] == NULL)
                return -EINVAL;
diff --git a/net/netfilter/nft_reject_inet.c b/net/netfilter/nft_reject_inet.c
index 759ca5248a3d..e79d9ca2ffee 100644
--- a/net/netfilter/nft_reject_inet.c
+++ b/net/netfilter/nft_reject_inet.c
@@ -66,7 +66,11 @@ static int nft_reject_inet_init(const struct nft_ctx *ctx,
                                const struct nlattr * const tb[])
 {
        struct nft_reject *priv = nft_expr_priv(expr);
-        int icmp_code;
+        int icmp_code, err;
+        err = nft_reject_validate(ctx, expr, NULL);
+        if (err < 0)
+                return err;
        if (tb[NFTA_REJECT_TYPE] == NULL)
                return -EINVAL;
@@ -124,6 +128,7 @@ static const struct nft_expr_ops nft_reject_inet_ops = {
        .eval           = nft_reject_inet_eval,
        .init           = nft_reject_inet_init,
        .dump           = nft_reject_inet_dump,
+        .validate       = nft_reject_validate,
 };
 static struct nft_expr_type nft_reject_inet_type __read_mostly = {
diff --git a/net/sctp/output.c b/net/sctp/output.c
index 1f1682b9a6a8..31b7bc35895d 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -878,7 +878,7 @@ static sctp_xmit_t sctp_packet_will_fit(struct sctp_packet *packet,
                                        struct sctp_chunk *chunk,
                                        u16 chunk_len)
 {
-        size_t psize, pmtu;
+        size_t psize, pmtu, maxsize;
        sctp_xmit_t retval = SCTP_XMIT_OK;
        psize = packet->size;
@@ -906,6 +906,17 @@ static sctp_xmit_t sctp_packet_will_fit(struct sctp_packet *packet,
                        goto out;
                }
+                /* Similarly, if this chunk was built before a PMTU
+                 * reduction, we have to fragment it at IP level now. So
+                 * if the packet already contains something, we need to
+                 * flush.
+                 */
+                maxsize = pmtu - packet->overhead;
+                if (packet->auth)
+                        maxsize -= WORD_ROUND(packet->auth->skb->len);
+                if (chunk_len > maxsize)
+                        retval = SCTP_XMIT_PMTU_FULL;
                /* It is also okay to fragment if the chunk we are
                 * adding is a control chunk, but only if current packet
                 * is not a GSO one otherwise it causes fragmentation of
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 1d281816f2bf..d8582028b346 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -569,9 +569,10 @@ gss_svc_searchbyctx(struct cache_detail *cd, struct xdr_netobj *handle)
        struct rsc *found;
        memset(&rsci, 0, sizeof(rsci));
-        rsci.handle.data = handle->data;
+        if (dup_to_netobj(&rsci.handle, handle->data, handle->len))
-        rsci.handle.len = handle->len;
+                return NULL;
        found = rsc_lookup(cd, &rsci);
+        rsc_free(&rsci);
        if (!found)
                return NULL;
        if (cache_check(cd, &found->h, NULL))
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 536d0be3f61b..799cce6cbe45 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -51,6 +51,7 @@
 #include <linux/slab.h>
 #include <linux/prefetch.h>
 #include <linux/sunrpc/addr.h>
+#include <linux/sunrpc/svc_rdma.h>
 #include <asm/bitops.h>
 #include <linux/module.h> /* try_module_get()/module_put() */
@@ -923,7 +924,7 @@ rpcrdma_buffer_create(struct rpcrdma_xprt *r_xprt)
        }
        INIT_LIST_HEAD(&buf->rb_recv_bufs);
-        for (i = 0; i < buf->rb_max_requests; i++) {
+        for (i = 0; i < buf->rb_max_requests + RPCRDMA_MAX_BC_REQUESTS; i++) {
                struct rpcrdma_rep *rep;
                rep = rpcrdma_create_rep(r_xprt);
@@ -1018,6 +1019,7 @@ rpcrdma_buffer_destroy(struct rpcrdma_buffer *buf)
                rep = rpcrdma_buffer_get_rep_locked(buf);
                rpcrdma_destroy_rep(ia, rep);
        }
+        buf->rb_send_count = 0;
        spin_lock(&buf->rb_reqslock);
        while (!list_empty(&buf->rb_allreqs)) {
@@ -1032,6 +1034,7 @@ rpcrdma_buffer_destroy(struct rpcrdma_buffer *buf)
                spin_lock(&buf->rb_reqslock);
        }
        spin_unlock(&buf->rb_reqslock);
+        buf->rb_recv_count = 0;
        rpcrdma_destroy_mrs(buf);
 }
@@ -1074,8 +1077,27 @@ rpcrdma_put_mw(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mw *mw)
        spin_unlock(&buf->rb_mwlock);
 }
+static struct rpcrdma_rep *
+rpcrdma_buffer_get_rep(struct rpcrdma_buffer *buffers)
+{
+        /* If an RPC previously completed without a reply (say, a
+         * credential problem or a soft timeout occurs) then hold off
+         * on supplying more Receive buffers until the number of new
+         * pending RPCs catches up to the number of posted Receives.
+         */
+        if (unlikely(buffers->rb_send_count < buffers->rb_recv_count))
+                return NULL;
+        if (unlikely(list_empty(&buffers->rb_recv_bufs)))
+                return NULL;
+        buffers->rb_recv_count++;
+        return rpcrdma_buffer_get_rep_locked(buffers);
+}
 /*
 * Get a set of request/reply buffers.
+ *
+ * Reply buffer (if available) is attached to send buffer upon return.
 */
 struct rpcrdma_req *
 rpcrdma_buffer_get(struct rpcrdma_buffer *buffers)
@@ -1085,21 +1107,15 @@ rpcrdma_buffer_get(struct rpcrdma_buffer *buffers)
        spin_lock(&buffers->rb_lock);
        if (list_empty(&buffers->rb_send_bufs))
                goto out_reqbuf;
+        buffers->rb_send_count++;
        req = rpcrdma_buffer_get_req_locked(buffers);
-        if (list_empty(&buffers->rb_recv_bufs))
+        req->rl_reply = rpcrdma_buffer_get_rep(buffers);
-                goto out_repbuf;
-        req->rl_reply = rpcrdma_buffer_get_rep_locked(buffers);
        spin_unlock(&buffers->rb_lock);
        return req;
 out_reqbuf:
        spin_unlock(&buffers->rb_lock);
-        pr_warn("rpcrdma: out of request buffers (%p)\n", buffers);
+        pr_warn("RPC:       %s: out of request buffers\n", __func__);
-        return NULL;
-out_repbuf:
-        list_add(&req->rl_free, &buffers->rb_send_bufs);
-        spin_unlock(&buffers->rb_lock);
-        pr_warn("rpcrdma: out of reply buffers (%p)\n", buffers);
        return NULL;
 }
@@ -1117,9 +1133,12 @@ rpcrdma_buffer_put(struct rpcrdma_req *req)
        req->rl_reply = NULL;
        spin_lock(&buffers->rb_lock);
+        buffers->rb_send_count--;
        list_add_tail(&req->rl_free, &buffers->rb_send_bufs);
-        if (rep)
+        if (rep) {
+                buffers->rb_recv_count--;
                list_add_tail(&rep->rr_list, &buffers->rb_recv_bufs);
+        }
        spin_unlock(&buffers->rb_lock);
 }
@@ -1133,8 +1152,7 @@ rpcrdma_recv_buffer_get(struct rpcrdma_req *req)
        struct rpcrdma_buffer *buffers = req->rl_buffer;
        spin_lock(&buffers->rb_lock);
-        if (!list_empty(&buffers->rb_recv_bufs))
+        req->rl_reply = rpcrdma_buffer_get_rep(buffers);
-                req->rl_reply = rpcrdma_buffer_get_rep_locked(buffers);
        spin_unlock(&buffers->rb_lock);
 }
@@ -1148,6 +1166,7 @@ rpcrdma_recv_buffer_put(struct rpcrdma_rep *rep)
        struct rpcrdma_buffer *buffers = &rep->rr_rxprt->rx_buf;
        spin_lock(&buffers->rb_lock);
+        buffers->rb_recv_count--;
        list_add_tail(&rep->rr_list, &buffers->rb_recv_bufs);
        spin_unlock(&buffers->rb_lock);
 }
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index 670fad57153a..a71b0f5897d8 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -321,6 +321,7 @@ struct rpcrdma_buffer {
        char                    *rb_pool;
        spinlock_t              rb_lock;        /* protect buf lists */
+        int                     rb_send_count, rb_recv_count;
        struct list_head        rb_send_bufs;
        struct list_head        rb_recv_bufs;
        u32                     rb_max_requests;
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 8ede3bc52481..bf168838a029 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1074,7 +1074,7 @@ static void xs_udp_data_receive(struct sock_xprt *transport)
                skb = skb_recv_datagram(sk, 0, 1, &err);
                if (skb != NULL) {
                        xs_udp_data_read_skb(&transport->xprt, sk, skb);
-                        skb_free_datagram(sk, skb);
+                        skb_free_datagram_locked(sk, skb);
                        continue;
                }
                if (!test_and_clear_bit(XPRT_SOCK_DATA_READY, &transport->sock_state))
diff --git a/net/tipc/name_distr.c b/net/tipc/name_distr.c
index 6b626a64b517..a04fe9be1c60 100644
--- a/net/tipc/name_distr.c
+++ b/net/tipc/name_distr.c
@@ -62,6 +62,8 @@ static void publ_to_item(struct distr_item *i, struct publication *p)
 /**
 * named_prepare_buf - allocate & initialize a publication message
+ *
+ * The buffer returned is of size INT_H_SIZE + payload size
 */
 static struct sk_buff *named_prepare_buf(struct net *net, u32 type, u32 size,
                                         u32 dest)
@@ -141,9 +143,9 @@ static void named_distribute(struct net *net, struct sk_buff_head *list,
        struct publication *publ;
        struct sk_buff *skb = NULL;
        struct distr_item *item = NULL;
-        uint msg_dsz = (tipc_node_get_mtu(net, dnode, 0) / ITEM_SIZE) *
+        u32 msg_dsz = ((tipc_node_get_mtu(net, dnode, 0) - INT_H_SIZE) /
-                        ITEM_SIZE;
+                        ITEM_SIZE) * ITEM_SIZE;
-        uint msg_rem = msg_dsz;
+        u32 msg_rem = msg_dsz;
        list_for_each_entry(publ, pls, local_list) {
                /* Prepare next buffer: */
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index f1dffe84f0d5..8309687a56b0 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -661,11 +661,11 @@ static int unix_set_peek_off(struct sock *sk, int val)
 {
        struct unix_sock *u = unix_sk(sk);
-        if (mutex_lock_interruptible(&u->readlock))
+        if (mutex_lock_interruptible(&u->iolock))
                return -EINTR;
        sk->sk_peek_off = val;
-        mutex_unlock(&u->readlock);
+        mutex_unlock(&u->iolock);
        return 0;
 }
@@ -779,7 +779,8 @@ static struct sock *unix_create1(struct net *net, struct socket *sock, int kern)
        spin_lock_init(&u->lock);
        atomic_long_set(&u->inflight, 0);
        INIT_LIST_HEAD(&u->link);
-        mutex_init(&u->readlock); /* single task reading lock */
+        mutex_init(&u->iolock); /* single task reading lock */
+        mutex_init(&u->bindlock); /* single task binding lock */
        init_waitqueue_head(&u->peer_wait);
        init_waitqueue_func_entry(&u->peer_wake, unix_dgram_peer_wake_relay);
        unix_insert_socket(unix_sockets_unbound(sk), sk);
@@ -848,7 +849,7 @@ static int unix_autobind(struct socket *sock)
        int err;
        unsigned int retries = 0;
-        err = mutex_lock_interruptible(&u->readlock);
+        err = mutex_lock_interruptible(&u->bindlock);
        if (err)
                return err;
@@ -895,7 +896,7 @@ retry:
        spin_unlock(&unix_table_lock);
        err = 0;
-out:    mutex_unlock(&u->readlock);
+out:    mutex_unlock(&u->bindlock);
        return err;
 }
@@ -954,20 +955,32 @@ fail:
        return NULL;
 }
-static int unix_mknod(struct dentry *dentry, const struct path *path, umode_t mode,
+static int unix_mknod(const char *sun_path, umode_t mode, struct path *res)
-                      struct path *res)
 {
-        int err;
+        struct dentry *dentry;
+        struct path path;
+        int err = 0;
+        /*
+         * Get the parent directory, calculate the hash for last
+         * component.
+         */
+        dentry = kern_path_create(AT_FDCWD, sun_path, &path, 0);
+        err = PTR_ERR(dentry);
+        if (IS_ERR(dentry))
+                return err;
-        err = security_path_mknod(path, dentry, mode, 0);
+        /*
+         * All right, let's create it.
+         */
+        err = security_path_mknod(&path, dentry, mode, 0);
        if (!err) {
-                err = vfs_mknod(d_inode(path->dentry), dentry, mode, 0);
+                err = vfs_mknod(d_inode(path.dentry), dentry, mode, 0);
                if (!err) {
-                        res->mnt = mntget(path->mnt);
+                        res->mnt = mntget(path.mnt);
                        res->dentry = dget(dentry);
                }
        }
+        done_path_create(&path, dentry);
        return err;
 }
@@ -978,12 +991,10 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
        struct unix_sock *u = unix_sk(sk);
        struct sockaddr_un *sunaddr = (struct sockaddr_un *)uaddr;
        char *sun_path = sunaddr->sun_path;
-        int err, name_err;
+        int err;
        unsigned int hash;
        struct unix_address *addr;
        struct hlist_head *list;
-        struct path path;
-        struct dentry *dentry;
        err = -EINVAL;
        if (sunaddr->sun_family != AF_UNIX)
@@ -999,34 +1010,14 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
                goto out;
        addr_len = err;
-        name_err = 0;
+        err = mutex_lock_interruptible(&u->bindlock);
-        dentry = NULL;
-        if (sun_path[0]) {
-                /* Get the parent directory, calculate the hash for last
-                 * component.
-                 */
-                dentry = kern_path_create(AT_FDCWD, sun_path, &path, 0);
-                if (IS_ERR(dentry)) {
-                        /* delay report until after 'already bound' check */
-                        name_err = PTR_ERR(dentry);
-                        dentry = NULL;
-                }
-        }
-        err = mutex_lock_interruptible(&u->readlock);
        if (err)
-                goto out_path;
+                goto out;
        err = -EINVAL;
        if (u->addr)
                goto out_up;
-        if (name_err) {
-                err = name_err == -EEXIST ? -EADDRINUSE : name_err;
-                goto out_up;
-        }
        err = -ENOMEM;
        addr = kmalloc(sizeof(*addr)+addr_len, GFP_KERNEL);
        if (!addr)
@@ -1037,11 +1028,11 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
        addr->hash = hash ^ sk->sk_type;
        atomic_set(&addr->refcnt, 1);
-        if (dentry) {
+        if (sun_path[0]) {
-                struct path u_path;
+                struct path path;
                umode_t mode = S_IFSOCK |
                       (SOCK_INODE(sock)->i_mode & ~current_umask());
-                err = unix_mknod(dentry, &path, mode, &u_path);
+                err = unix_mknod(sun_path, mode, &path);
                if (err) {
                        if (err == -EEXIST)
                                err = -EADDRINUSE;
@@ -1049,9 +1040,9 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
                        goto out_up;
                }
                addr->hash = UNIX_HASH_SIZE;
-                hash = d_real_inode(dentry)->i_ino & (UNIX_HASH_SIZE - 1);
+                hash = d_real_inode(path.dentry)->i_ino & (UNIX_HASH_SIZE - 1);
                spin_lock(&unix_table_lock);
-                u->path = u_path;
+                u->path = path;
                list = &unix_socket_table[hash];
        } else {
                spin_lock(&unix_table_lock);
@@ -1073,11 +1064,7 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 out_unlock:
        spin_unlock(&unix_table_lock);
 out_up:
-        mutex_unlock(&u->readlock);
+        mutex_unlock(&u->bindlock);
-out_path:
-        if (dentry)
-                done_path_create(&path, dentry);
 out:
        return err;
 }
@@ -1969,17 +1956,17 @@ static ssize_t unix_stream_sendpage(struct socket *socket, struct page *page,
        if (false) {
 alloc_skb:
                unix_state_unlock(other);
-                mutex_unlock(&unix_sk(other)->readlock);
+                mutex_unlock(&unix_sk(other)->iolock);
                newskb = sock_alloc_send_pskb(sk, 0, 0, flags & MSG_DONTWAIT,
                                              &err, 0);
                if (!newskb)
                        goto err;
        }
-        /* we must acquire readlock as we modify already present
+        /* we must acquire iolock as we modify already present
         * skbs in the sk_receive_queue and mess with skb->len
         */
-        err = mutex_lock_interruptible(&unix_sk(other)->readlock);
+        err = mutex_lock_interruptible(&unix_sk(other)->iolock);
        if (err) {
                err = flags & MSG_DONTWAIT ? -EAGAIN : -ERESTARTSYS;
                goto err;
@@ -2046,7 +2033,7 @@ alloc_skb:
        }
        unix_state_unlock(other);
-        mutex_unlock(&unix_sk(other)->readlock);
+        mutex_unlock(&unix_sk(other)->iolock);
        other->sk_data_ready(other);
        scm_destroy(&scm);
@@ -2055,7 +2042,7 @@ alloc_skb:
 err_state_unlock:
        unix_state_unlock(other);
 err_unlock:
-        mutex_unlock(&unix_sk(other)->readlock);
+        mutex_unlock(&unix_sk(other)->iolock);
 err:
        kfree_skb(newskb);
        if (send_sigpipe && !(flags & MSG_NOSIGNAL))
@@ -2123,7 +2110,7 @@ static int unix_dgram_recvmsg(struct socket *sock, struct msghdr *msg,
        timeo = sock_rcvtimeo(sk, flags & MSG_DONTWAIT);
        do {
-                mutex_lock(&u->readlock);
+                mutex_lock(&u->iolock);
                skip = sk_peek_offset(sk, flags);
                skb = __skb_try_recv_datagram(sk, flags, &peeked, &skip, &err,
@@ -2131,14 +2118,14 @@ static int unix_dgram_recvmsg(struct socket *sock, struct msghdr *msg,
                if (skb)
                        break;
-                mutex_unlock(&u->readlock);
+                mutex_unlock(&u->iolock);
                if (err != -EAGAIN)
                        break;
        } while (timeo &&
                 !__skb_wait_for_more_packets(sk, &err, &timeo, last));
-        if (!skb) { /* implies readlock unlocked */
+        if (!skb) { /* implies iolock unlocked */
                unix_state_lock(sk);
                /* Signal EOF on disconnected non-blocking SEQPACKET socket. */
                if (sk->sk_type == SOCK_SEQPACKET && err == -EAGAIN &&
@@ -2203,7 +2190,7 @@ static int unix_dgram_recvmsg(struct socket *sock, struct msghdr *msg,
 out_free:
        skb_free_datagram(sk, skb);
-        mutex_unlock(&u->readlock);
+        mutex_unlock(&u->iolock);
 out:
        return err;
 }
@@ -2298,7 +2285,7 @@ static int unix_stream_read_generic(struct unix_stream_read_state *state)
        /* Lock the socket to prevent queue disordering
         * while sleeps in memcpy_tomsg
         */
-        mutex_lock(&u->readlock);
+        mutex_lock(&u->iolock);
        if (flags & MSG_PEEK)
                skip = sk_peek_offset(sk, flags);
@@ -2340,7 +2327,7 @@ again:
                                break;
                        }
-                        mutex_unlock(&u->readlock);
+                        mutex_unlock(&u->iolock);
                        timeo = unix_stream_data_wait(sk, timeo, last,
                                                      last_len);
@@ -2351,7 +2338,7 @@ again:
                                goto out;
                        }
-                        mutex_lock(&u->readlock);
+                        mutex_lock(&u->iolock);
                        goto redo;
 unlock:
                        unix_state_unlock(sk);
@@ -2454,7 +2441,7 @@ unlock:
                }
        } while (size);
-        mutex_unlock(&u->readlock);
+        mutex_unlock(&u->iolock);
        if (state->msg)
                scm_recv(sock, state->msg, &scm, flags);
        else
@@ -2495,9 +2482,9 @@ static ssize_t skb_unix_socket_splice(struct sock *sk,
        int ret;
        struct unix_sock *u = unix_sk(sk);
-        mutex_unlock(&u->readlock);
+        mutex_unlock(&u->iolock);
        ret = splice_to_pipe(pipe, spd);
-        mutex_lock(&u->readlock);
+        mutex_lock(&u->iolock);
        return ret;
 }
diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
index dbb2738e356a..6250b1cfcde5 100644
--- a/net/wireless/wext-core.c
+++ b/net/wireless/wext-core.c
@@ -958,29 +958,8 @@ static int wireless_process_ioctl(struct net *net, struct ifreq *ifr,
                        return private(dev, iwr, cmd, info, handler);
        }
        /* Old driver API : call driver ioctl handler */
-        if (dev->netdev_ops->ndo_do_ioctl) {
+        if (dev->netdev_ops->ndo_do_ioctl)
-#ifdef CONFIG_COMPAT
+                return dev->netdev_ops->ndo_do_ioctl(dev, ifr, cmd);
-                if (info->flags & IW_REQUEST_FLAG_COMPAT) {
-                        int ret = 0;
-                        struct iwreq iwr_lcl;
-                        struct compat_iw_point *iwp_compat = (void *) &iwr->u.data;
-                        memcpy(&iwr_lcl, iwr, sizeof(struct iwreq));
-                        iwr_lcl.u.data.pointer = compat_ptr(iwp_compat->pointer);
-                        iwr_lcl.u.data.length = iwp_compat->length;
-                        iwr_lcl.u.data.flags = iwp_compat->flags;
-                        ret = dev->netdev_ops->ndo_do_ioctl(dev, (void *) &iwr_lcl, cmd);
-                        iwp_compat->pointer = ptr_to_compat(iwr_lcl.u.data.pointer);
-                        iwp_compat->length = iwr_lcl.u.data.length;
-                        iwp_compat->flags = iwr_lcl.u.data.flags;
-                        return ret;
-                } else
-#endif
-                        return dev->netdev_ops->ndo_do_ioctl(dev, ifr, cmd);
-        }
        return -EOPNOTSUPP;
 }
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 1c4ad477ce93..6e3f0254d8a1 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -207,15 +207,15 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
        family = XFRM_SPI_SKB_CB(skb)->family;
        /* if tunnel is present override skb->mark value with tunnel i_key */
-        if (XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4) {
+        switch (family) {
-                switch (family) {
+        case AF_INET:
-                case AF_INET:
+                if (XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4)
                        mark = be32_to_cpu(XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4->parms.i_key);
-                        break;
+                break;
-                case AF_INET6:
+        case AF_INET6:
+                if (XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6)
                        mark = be32_to_cpu(XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6->parms.i_key);
-                        break;
+                break;
-                }
        }
        /* Allocate new secpath or COW existing one. */
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index b5e665b3cfb0..45f9cf97ea25 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -626,6 +626,10 @@ static void xfrm_hash_rebuild(struct work_struct *work)
        /* re-insert all policies by order of creation */
        list_for_each_entry_reverse(policy, &net->xfrm.policy_all, walk.all) {
+                if (xfrm_policy_id2dir(policy->index) >= XFRM_POLICY_MAX) {
+                        /* skip socket policies */
+                        continue;
+                }
                newpos = NULL;
                chain = policy_hash_bysel(net, &policy->selector,
                                          policy->family,
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index d516845e16e3..cb65d916a345 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -896,7 +896,8 @@ static int xfrm_dump_sa_done(struct netlink_callback *cb)
        struct sock *sk = cb->skb->sk;
        struct net *net = sock_net(sk);
-        xfrm_state_walk_done(walk, net);
+        if (cb->args[0])
+                xfrm_state_walk_done(walk, net);
        return 0;
 }
@@ -921,8 +922,6 @@ static int xfrm_dump_sa(struct sk_buff *skb, struct netlink_callback *cb)
                u8 proto = 0;
                int err;
-                cb->args[0] = 1;
                err = nlmsg_parse(cb->nlh, 0, attrs, XFRMA_MAX,
                                  xfrma_policy);
                if (err < 0)
@@ -939,6 +938,7 @@ static int xfrm_dump_sa(struct sk_buff *skb, struct netlink_callback *cb)
                        proto = nla_get_u8(attrs[XFRMA_PROTO]);
                xfrm_state_walk_init(walk, proto, filter);
+                cb->args[0] = 1;
        }
        (void) xfrm_state_walk(net, walk, dump_one_state, &info);
@@ -2051,9 +2051,6 @@ static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh,
        if (up->hard) {
                xfrm_policy_delete(xp, p->dir);
                xfrm_audit_policy_delete(xp, 1, true);
-        } else {
-                // reset the timers here?
-                WARN(1, "Don't know what to do with soft policy expire\n");
        }
        km_policy_expired(xp, p->dir, up->hard, nlh->nlmsg_pid);
@@ -2117,7 +2114,7 @@ static int xfrm_add_acquire(struct sk_buff *skb, struct nlmsghdr *nlh,
        err = verify_newpolicy_info(&ua->policy);
        if (err)
-                goto bad_policy;
+                goto free_state;
        /*   build an XP */
        xp = xfrm_policy_construct(net, &ua->policy, attrs, &err);
@@ -2149,8 +2146,6 @@ static int xfrm_add_acquire(struct sk_buff *skb, struct nlmsghdr *nlh,
        return 0;
-bad_policy:
-        WARN(1, "BAD policy passed\n");
 free_state:
        kfree(x);
 nomem:
diff --git a/tools/lguest/lguest.c b/tools/lguest/lguest.c
index d9836c5eb694..11c8d9bc762e 100644
--- a/tools/lguest/lguest.c
+++ b/tools/lguest/lguest.c
@@ -3266,6 +3266,9 @@ int main(int argc, char *argv[])
                }
        }
+        /* If we exit via err(), this kills all the threads, restores tty. */
+        atexit(cleanup_devices);
        /* We always have a console device, and it's always device 1. */
        setup_console();
@@ -3369,9 +3372,6 @@ int main(int argc, char *argv[])
        /* Ensure that we terminate if a device-servicing child dies. */
        signal(SIGCHLD, kill_launcher);
-        /* If we exit via err(), this kills all the threads, restores tty. */
-        atexit(cleanup_devices);
        /* If requested, chroot to a directory */
        if (chroot_path) {
                if (chroot(chroot_path) != 0)
author	Thomas Gleixner <tglx@linutronix.de>	2016-09-20 17:20:32 -0400
committer	Thomas Gleixner <tglx@linutronix.de>	2016-09-20 17:20:32 -0400
commit	464b5847e61085f81bb99ce48eb427a0dc7617dc (patch)
tree	805c97855a9a13c06910687bbbbe3eb7bc371902
parent	0a30d69195604f136a4e3bfaf453f742e583ce95 (diff)
parent	e875bd66dfb68f4e898e9a43ef42858c504a7f23 (diff)