Merge branch 'v3.16-next/cleanup-samsung' into v3.16-next/platform-exynos

217 files changed, 1765 insertions, 1419 deletions

diff --git a/arch/arc/include/asm/barrier.h b/arch/arc/include/asm/barrier.h
deleted file mode 100644
index c32245c3d1e9..000000000000
--- a/arch/arc/include/asm/barrier.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef __ASM_BARRIER_H
-#define __ASM_BARRIER_H
-
-#ifndef __ASSEMBLY__
-
-/* TODO-vineetg: Need to see what this does, don't we need sync anywhere */
-#define mb() __asm__ __volatile__ ("" : : : "memory")
-#define rmb() mb()
-#define wmb() mb()
-#define set_mb(var, value)  do { var = value; mb(); } while (0)
-#define set_wmb(var, value) do { var = value; wmb(); } while (0)
-#define read_barrier_depends()  mb()
-
-/* TODO-vineetg verify the correctness of macros here */
-#ifdef CONFIG_SMP
-#define smp_mb()        mb()
-#define smp_rmb()       rmb()
-#define smp_wmb()       wmb()
-#else
-#define smp_mb()        barrier()
-#define smp_rmb()       barrier()
-#define smp_wmb()       barrier()
-#endif
-
-#define smp_read_barrier_depends()      do { } while (0)
-
-#endif
-
-#endif
diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S
index 819dd5f7eb05..29b82adbf0b4 100644
--- a/arch/arc/kernel/entry.S
+++ b/arch/arc/kernel/entry.S
@@ -614,11 +614,13 @@ resume_user_mode_begin:
 
 resume_kernel_mode:
 
-#ifdef CONFIG_PREEMPT
-
-        ; This is a must for preempt_schedule_irq()
+        ; Disable Interrupts from this point on
+        ; CONFIG_PREEMPT: This is a must for preempt_schedule_irq()
+        ; !CONFIG_PREEMPT: To ensure restore_regs is intr safe
         IRQ_DISABLE     r9
 
+#ifdef CONFIG_PREEMPT
+
         ; Can't preempt if preemption disabled
         GET_CURR_THR_INFO_FROM_SP   r10
         ld  r8, [r10, THREAD_INFO_PREEMPT_COUNT]
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 0edb868d6c0b..044e32be02b5 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -30,9 +30,9 @@ config ARM
         select HAVE_ARCH_SECCOMP_FILTER if (AEABI && !OABI_COMPAT)
         select HAVE_ARCH_TRACEHOOK
         select HAVE_BPF_JIT
+        select HAVE_CC_STACKPROTECTOR
         select HAVE_CONTEXT_TRACKING
         select HAVE_C_RECORDMCOUNT
-        select HAVE_CC_STACKPROTECTOR
         select HAVE_DEBUG_KMEMLEAK
         select HAVE_DMA_API_DEBUG
         select HAVE_DMA_ATTRS
@@ -311,6 +311,7 @@ config ARCH_MULTIPLATFORM
         select ARM_HAS_SG_CHAIN
         select ARM_PATCH_PHYS_VIRT
         select AUTO_ZRELADDR
+        select CLKSRC_OF
         select COMMON_CLK
         select GENERIC_CLOCKEVENTS
         select MULTI_IRQ_HANDLER
@@ -422,8 +423,8 @@ config ARCH_EFM32
         bool "Energy Micro efm32"
         depends on !MMU
         select ARCH_REQUIRE_GPIOLIB
-        select AUTO_ZRELADDR
         select ARM_NVIC
+        select AUTO_ZRELADDR
         select CLKSRC_OF
         select COMMON_CLK
         select CPU_V7M
@@ -511,8 +512,8 @@ config ARCH_IXP4XX
         bool "IXP4xx-based"
         depends on MMU
         select ARCH_HAS_DMA_SET_COHERENT_MASK
-        select ARCH_SUPPORTS_BIG_ENDIAN
         select ARCH_REQUIRE_GPIOLIB
+        select ARCH_SUPPORTS_BIG_ENDIAN
         select CLKSRC_MMIO
         select CPU_XSCALE
         select DMABOUNCE if PCI
@@ -1110,9 +1111,9 @@ config ARM_NR_BANKS
         default 8
 
 config IWMMXT
-        bool "Enable iWMMXt support" if !CPU_PJ4
-        depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4
-        default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4
+        bool "Enable iWMMXt support"
+        depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4 || CPU_PJ4B
+        default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4 || CPU_PJ4B
         help
           Enable support for iWMMXt context switching at run time if
           running on a CPU that supports it.
@@ -1575,8 +1576,8 @@ config BIG_LITTLE
 config BL_SWITCHER
         bool "big.LITTLE switcher support"
         depends on BIG_LITTLE && MCPM && HOTPLUG_CPU
-        select CPU_PM
         select ARM_CPU_SUSPEND
+        select CPU_PM
         help
           The big.LITTLE "switcher" provides the core functionality to
           transparently handle transition between a cluster of A15's
@@ -1920,9 +1921,9 @@ config XEN
         depends on CPU_V7 && !CPU_V6
         depends on !GENERIC_ATOMIC64
         depends on MMU
+        select ARCH_DMA_ADDR_T_64BIT
         select ARM_PSCI
         select SWIOTLB_XEN
-        select ARCH_DMA_ADDR_T_64BIT
         help
           Say Y if you want to run Linux in a Virtual Machine on Xen on ARM.
 
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 4a2fc0bf6fc9..4678870f8ee8 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -625,6 +625,7 @@ choice
         config DEBUG_S3C_UART0
                 depends on PLAT_SAMSUNG
                 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
+                select DEBUG_S3C24XX_UART if ARCH_S3C24XX
                 bool "Use S3C UART 0 for low-level debug"
                 help
                   Say Y here if you want the debug print routines to direct
@@ -637,6 +638,7 @@ choice
         config DEBUG_S3C_UART1
                 depends on PLAT_SAMSUNG
                 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
+                select DEBUG_S3C24XX_UART if ARCH_S3C24XX
                 bool "Use S3C UART 1 for low-level debug"
                 help
                   Say Y here if you want the debug print routines to direct
@@ -649,6 +651,7 @@ choice
         config DEBUG_S3C_UART2
                 depends on PLAT_SAMSUNG
                 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
+                select DEBUG_S3C24XX_UART if ARCH_S3C24XX
                 bool "Use S3C UART 2 for low-level debug"
                 help
                   Say Y here if you want the debug print routines to direct
@@ -670,6 +673,33 @@ choice
                   The uncompressor code port configuration is now handled
                   by CONFIG_S3C_LOWLEVEL_UART_PORT.
 
+        config DEBUG_S3C2410_UART0
+                depends on ARCH_S3C24XX
+                select DEBUG_S3C2410_UART
+                bool "Use S3C2410/S3C2412 UART 0 for low-level debug"
+                help
+                  Say Y here if you want the debug print routines to direct
+                  their output to UART 0. The port must have been initialised
+                  by the boot-loader before use.
+
+        config DEBUG_S3C2410_UART1
+                depends on ARCH_S3C24XX
+                select DEBUG_S3C2410_UART
+                bool "Use S3C2410/S3C2412 UART 1 for low-level debug"
+                help
+                  Say Y here if you want the debug print routines to direct
+                  their output to UART 1. The port must have been initialised
+                  by the boot-loader before use.
+
+        config DEBUG_S3C2410_UART2
+                depends on ARCH_S3C24XX
+                select DEBUG_S3C2410_UART
+                bool "Use S3C2410/S3C2412 UART 2 for low-level debug"
+                help
+                  Say Y here if you want the debug print routines to direct
+                  their output to UART 2. The port must have been initialised
+                  by the boot-loader before use.
+
         config DEBUG_SOCFPGA_UART
                 depends on ARCH_SOCFPGA
                 bool "Use SOCFPGA UART for low-level debug"
@@ -921,6 +951,13 @@ endchoice
 config DEBUG_EXYNOS_UART
         bool
 
+config DEBUG_S3C2410_UART
+        bool
+        select DEBUG_S3C24XX_UART
+
+config DEBUG_S3C24XX_UART
+        bool
+
 config DEBUG_OMAP2PLUS_UART
         bool
         depends on ARCH_OMAP2PLUS
@@ -973,6 +1010,7 @@ config DEBUG_LL_INCLUDE
                                  DEBUG_IMX6SL_UART
         default "debug/msm.S" if DEBUG_MSM_UART
         default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART
+        default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART
         default "debug/sirf.S" if DEBUG_SIRFPRIMA2_UART1 || DEBUG_SIRFMARCO_UART1
         default "debug/sti.S" if DEBUG_STI_UART
         default "debug/tegra.S" if DEBUG_TEGRA_UART
@@ -1029,10 +1067,16 @@ config DEBUG_UART_PHYS
         default 0x40090000 if ARCH_LPC32XX
         default 0x40100000 if DEBUG_PXA_UART1
         default 0x42000000 if ARCH_GEMINI
+        default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \
+                                DEBUG_S3C2410_UART0)
+        default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \
+                                DEBUG_S3C2410_UART1)
+        default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \
+                                DEBUG_S3C2410_UART2)
         default 0x7c0003f8 if FOOTBRIDGE
-        default 0x80230000 if DEBUG_PICOXCELL_UART
         default 0x80070000 if DEBUG_IMX23_UART
         default 0x80074000 if DEBUG_IMX28_UART
+        default 0x80230000 if DEBUG_PICOXCELL_UART
         default 0x808c0000 if ARCH_EP93XX
         default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
         default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX
@@ -1058,7 +1102,7 @@ config DEBUG_UART_PHYS
         default 0xfffff700 if ARCH_IOP33X
         depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
                 DEBUG_LL_UART_EFM32 || \
-                DEBUG_UART_8250 || DEBUG_UART_PL01X
+                DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_S3C24XX_UART
 
 config DEBUG_UART_VIRT
         hex "Virtual base address of debug UART"
@@ -1075,6 +1119,12 @@ config DEBUG_UART_VIRT
         default 0xf2100000 if DEBUG_PXA_UART1
         default 0xf4090000 if ARCH_LPC32XX
         default 0xf4200000 if ARCH_GEMINI
+        default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \
+                                DEBUG_S3C2410_UART0)
+        default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \
+                                DEBUG_S3C2410_UART1)
+        default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \
+                                DEBUG_S3C2410_UART2)
         default 0xf7fc9000 if DEBUG_BERLIN_UART
         default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9
         default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1
@@ -1096,27 +1146,27 @@ config DEBUG_UART_VIRT
         default 0xfeb26000 if DEBUG_RK3X_UART1
         default 0xfeb30c00 if DEBUG_KEYSTONE_UART0
         default 0xfeb31000 if DEBUG_KEYSTONE_UART1
-        default 0xfec12000 if DEBUG_MVEBU_UART || DEBUG_MVEBU_UART_ALTERNATE
-        default 0xfed60000 if DEBUG_RK29_UART0
-        default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
-        default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
         default 0xfec02000 if DEBUG_SOCFPGA_UART
+        default 0xfec12000 if DEBUG_MVEBU_UART || DEBUG_MVEBU_UART_ALTERNATE
         default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0
         default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1
         default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2
         default 0xfed12000 if ARCH_KIRKWOOD
+        default 0xfed60000 if DEBUG_RK29_UART0
+        default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
+        default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
         default 0xfedc0000 if ARCH_EP93XX
         default 0xfee003f8 if FOOTBRIDGE
         default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
-        default 0xfef36000 if DEBUG_HIGHBANK_UART
         default 0xfee82340 if ARCH_IOP13XX
         default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN
         default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN
+        default 0xfef36000 if DEBUG_HIGHBANK_UART
         default 0xfefff700 if ARCH_IOP33X
         default 0xff003000 if DEBUG_U300_UART
         default DEBUG_UART_PHYS if !MMU
         depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
-                DEBUG_UART_8250 || DEBUG_UART_PL01X
+                DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_S3C24XX_UART
 
 config DEBUG_UART_8250_SHIFT
         int "Register offset shift for the 8250 debug UART"
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 066b03480b63..3a8b32df6b31 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -60,11 +60,6 @@
                 add     \rb, \rb, #0x00010000   @ Ser1
 #endif
                 .endm
-#elif defined(CONFIG_ARCH_S3C24XX)
-                .macro loadsp, rb, tmp
-                mov     \rb, #0x50000000
-                add     \rb, \rb, #0x4000 * CONFIG_S3C_LOWLEVEL_UART_PORT
-                .endm
 #else
                 .macro  loadsp, rb, tmp
                 addruart \rb, \tmp
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 35c146f31e46..377b7c364033 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -51,10 +51,9 @@ dtb-$(CONFIG_ARCH_AT91)	+= sama5d36ek.dtb
 
 dtb-$(CONFIG_ARCH_ATLAS6) += atlas6-evb.dtb
 dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb
+dtb-$(CONFIG_ARCH_BCM_5301X) += bcm4708-netgear-r6250.dtb
 dtb-$(CONFIG_ARCH_BCM_MOBILE) += bcm28155-ap.dtb \
         bcm21664-garnet.dtb
-dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb
-dtb-$(CONFIG_ARCH_BCM_5301X) += bcm4708-netgear-r6250.dtb
 dtb-$(CONFIG_ARCH_BERLIN) += \
         berlin2-sony-nsz-gs7.dtb        \
         berlin2cd-google-chromecast.dtb
@@ -246,6 +245,7 @@ dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \
         omap3-sbc-t3730.dtb \
         omap3-devkit8000.dtb \
         omap3-beagle-xm.dtb \
+        omap3-beagle-xm-ab.dtb \
         omap3-evm.dtb \
         omap3-evm-37xx.dtb \
         omap3-ldp.dtb \
@@ -294,13 +294,6 @@ dtb-$(CONFIG_ARCH_PRIMA2) += prima2-evb.dtb
 dtb-$(CONFIG_ARCH_QCOM) += qcom-msm8660-surf.dtb \
         qcom-msm8960-cdp.dtb \
         qcom-apq8074-dragonboard.dtb
-dtb-$(CONFIG_ARCH_U8500) += ste-snowball.dtb \
-        ste-hrefprev60-stuib.dtb \
-        ste-hrefprev60-tvk.dtb \
-        ste-hrefv60plus-stuib.dtb \
-        ste-hrefv60plus-tvk.dtb \
-        ste-ccu8540.dtb \
-        ste-ccu9540.dtb
 dtb-$(CONFIG_ARCH_S3C24XX) += s3c2416-smdk2416.dtb
 dtb-$(CONFIG_ARCH_S3C64XX) += s3c6410-mini6410.dtb \
         s3c6410-smdk6410.dtb
@@ -369,9 +362,16 @@ dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harmony.dtb \
         tegra30-cardhu-a04.dtb \
         tegra114-dalmore.dtb \
         tegra124-venice2.dtb
+dtb-$(CONFIG_ARCH_U300) += ste-u300.dtb
+dtb-$(CONFIG_ARCH_U8500) += ste-snowball.dtb \
+        ste-hrefprev60-stuib.dtb \
+        ste-hrefprev60-tvk.dtb \
+        ste-hrefv60plus-stuib.dtb \
+        ste-hrefv60plus-tvk.dtb \
+        ste-ccu8540.dtb \
+        ste-ccu9540.dtb
 dtb-$(CONFIG_ARCH_VERSATILE) += versatile-ab.dtb \
         versatile-pb.dtb
-dtb-$(CONFIG_ARCH_U300) += ste-u300.dtb
 dtb-$(CONFIG_ARCH_VEXPRESS) += vexpress-v2p-ca5s.dtb \
         vexpress-v2p-ca9.dtb \
         vexpress-v2p-ca15-tc1.dtb \
diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
index e3f27ec31718..2e7d932887b5 100644
--- a/arch/arm/boot/dts/am335x-bone-common.dtsi
+++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
@@ -183,7 +183,7 @@
 &usb {
         status = "okay";
 
-        control@44e10000 {
+        control@44e10620 {
                 status = "okay";
         };
 
@@ -204,7 +204,7 @@
                 dr_mode = "host";
         };
 
-        dma-controller@07402000  {
+        dma-controller@47402000  {
                 status = "okay";
         };
 };
diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
index 28ae040e7c3d..6028217ace0f 100644
--- a/arch/arm/boot/dts/am335x-evm.dts
+++ b/arch/arm/boot/dts/am335x-evm.dts
@@ -301,8 +301,8 @@
 
         am335x_evm_audio_pins: am335x_evm_audio_pins {
                 pinctrl-single,pins = <
-                        0x10c (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_rx_dv.mcasp1_aclkx */
-                        0x110 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_txd3.mcasp1_fsx */
+                        0x10c (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_crs.mcasp1_aclkx */
+                        0x110 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_rxerr.mcasp1_fsx */
                         0x108 (PIN_OUTPUT_PULLDOWN | MUX_MODE4) /* mii1_col.mcasp1_axr2 */
                         0x144 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* rmii1_ref_clk.mcasp1_axr3 */
                 >;
@@ -331,7 +331,7 @@
 &usb {
         status = "okay";
 
-        control@44e10000 {
+        control@44e10620 {
                 status = "okay";
         };
 
@@ -352,7 +352,7 @@
                 dr_mode = "host";
         };
 
-        dma-controller@07402000  {
+        dma-controller@47402000  {
                 status = "okay";
         };
 };
diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
index ec08f6f677c3..ab238850a7b2 100644
--- a/arch/arm/boot/dts/am335x-evmsk.dts
+++ b/arch/arm/boot/dts/am335x-evmsk.dts
@@ -364,7 +364,7 @@
 &usb {
         status = "okay";
 
-        control@44e10000 {
+        control@44e10620 {
                 status = "okay";
         };
 
@@ -385,7 +385,7 @@
                 dr_mode = "host";
         };
 
-        dma-controller@07402000  {
+        dma-controller@47402000  {
                 status = "okay";
         };
 };
diff --git a/arch/arm/boot/dts/am335x-igep0033.dtsi b/arch/arm/boot/dts/am335x-igep0033.dtsi
index 7063311a58d9..9f22c189f636 100644
--- a/arch/arm/boot/dts/am335x-igep0033.dtsi
+++ b/arch/arm/boot/dts/am335x-igep0033.dtsi
@@ -118,7 +118,6 @@
                 reg = <0 0 0>; /* CS0, offset 0 */
                 nand-bus-width = <8>;
                 ti,nand-ecc-opt = "bch8";
-                gpmc,device-nand = "true";
                 gpmc,device-width = <1>;
                 gpmc,sync-clk-ps = <0>;
                 gpmc,cs-on-ns = <0>;
@@ -202,7 +201,7 @@
 &usb {
         status = "okay";
 
-        control@44e10000 {
+        control@44e10620 {
                 status = "okay";
         };
 
@@ -223,7 +222,7 @@
                 dr_mode = "host";
         };
 
-        dma-controller@07402000  {
+        dma-controller@47402000  {
                 status = "okay";
         };
 };
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index 9770e35f2536..cb6811e5ae5a 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -72,7 +72,7 @@
         };
 
         /*
-         * The soc node represents the soc top level view. It is uses for IPs
+         * The soc node represents the soc top level view. It is used for IPs
          * that are not memory mapped in the MPU view or for the MPU itself.
          */
         soc {
@@ -94,8 +94,8 @@
 
         /*
          * XXX: Use a flat representation of the AM33XX interconnect.
-         * The real AM33XX interconnect network is quite complex.Since
-         * that will not bring real advantage to represent that in DT
+         * The real AM33XX interconnect network is quite complex. Since
+         * it will not bring real advantage to represent that in DT
          * for the moment, just use a fake OCP bus entry to represent
          * the whole bus hierarchy.
          */
@@ -802,7 +802,7 @@
                               <0x46000000 0x400000>;
                         reg-names = "mpu", "dat";
                         interrupts = <80>, <81>;
-                        interrupts-names = "tx", "rx";
+                        interrupt-names = "tx", "rx";
                         status = "disabled";
                         dmas = <&edma 8>,
                                 <&edma 9>;
@@ -816,7 +816,7 @@
                               <0x46400000 0x400000>;
                         reg-names = "mpu", "dat";
                         interrupts = <82>, <83>;
-                        interrupts-names = "tx", "rx";
+                        interrupt-names = "tx", "rx";
                         status = "disabled";
                         dmas = <&edma 10>,
                                 <&edma 11>;
diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
index 36d523a26831..d1f8707ff1df 100644
--- a/arch/arm/boot/dts/am4372.dtsi
+++ b/arch/arm/boot/dts/am4372.dtsi
@@ -691,7 +691,7 @@
                               <0x46000000 0x400000>;
                         reg-names = "mpu", "dat";
                         interrupts = <80>, <81>;
-                        interrupts-names = "tx", "rx";
+                        interrupt-names = "tx", "rx";
                         status = "disabled";
                         dmas = <&edma 8>,
                                <&edma 9>;
@@ -705,7 +705,7 @@
                               <0x46400000 0x400000>;
                         reg-names = "mpu", "dat";
                         interrupts = <82>, <83>;
-                        interrupts-names = "tx", "rx";
+                        interrupt-names = "tx", "rx";
                         status = "disabled";
                         dmas = <&edma 10>,
                                <&edma 11>;
diff --git a/arch/arm/boot/dts/armada-370-xp.dtsi b/arch/arm/boot/dts/armada-370-xp.dtsi
index bbb40f62037d..bb77970c0b12 100644
--- a/arch/arm/boot/dts/armada-370-xp.dtsi
+++ b/arch/arm/boot/dts/armada-370-xp.dtsi
@@ -230,6 +230,7 @@
                                 #size-cells = <0>;
                                 compatible = "marvell,orion-mdio";
                                 reg = <0x72004 0x4>;
+                                clocks = <&gateclk 4>;
                         };
 
                         eth1: ethernet@74000 {
diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi
index a064f59da02d..ca8813bb99ba 100644
--- a/arch/arm/boot/dts/armada-38x.dtsi
+++ b/arch/arm/boot/dts/armada-38x.dtsi
@@ -336,6 +336,7 @@
                                 #size-cells = <0>;
                                 compatible = "marvell,orion-mdio";
                                 reg = <0x72004 0x4>;
+                                clocks = <&gateclk 4>;
                         };
 
                         coredivclk: clock@e4250 {
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index 1c0f8e1893ae..149b55099935 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -80,7 +80,7 @@
         };
 
         /*
-         * The soc node represents the soc top level view. It is uses for IPs
+         * The soc node represents the soc top level view. It is used for IPs
          * that are not memory mapped in the MPU view or for the MPU itself.
          */
         soc {
@@ -94,7 +94,7 @@
         /*
          * XXX: Use a flat representation of the SOC interconnect.
          * The real OMAP interconnect network is quite complex.
-         * Since that will not bring real advantage to represent that in DT for
+         * Since it will not bring real advantage to represent that in DT for
          * the moment, just use a fake OCP bus entry to represent the whole bus
          * hierarchy.
          */
diff --git a/arch/arm/boot/dts/dra7xx-clocks.dtsi b/arch/arm/boot/dts/dra7xx-clocks.dtsi
index e96da9a898ad..cfb8fc753f50 100644
--- a/arch/arm/boot/dts/dra7xx-clocks.dtsi
+++ b/arch/arm/boot/dts/dra7xx-clocks.dtsi
@@ -1640,7 +1640,7 @@
                 #clock-cells = <0>;
                 compatible = "ti,mux-clock";
                 clocks = <&abe_24m_fclk>, <&abe_sys_clk_div>, <&func_24m_clk>, <&atlclkin3_ck>, <&atl_clkin2_ck>, <&atl_clkin1_ck>, <&atl_clkin0_ck>, <&sys_clkin2>, <&ref_clkin0_ck>, <&ref_clkin1_ck>, <&ref_clkin2_ck>, <&ref_clkin3_ck>, <&mlb_clk>, <&mlbp_clk>;
-                ti,bit-shift = <28>;
+                ti,bit-shift = <24>;
                 reg = <0x1860>;
         };
 
diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
index 80a3bf4c5986..896a2a6619e0 100644
--- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts
+++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
@@ -364,16 +364,4 @@
                         gpio-key,wakeup;
                 };
         };
-
-        amba {
-                mdma1: mdma@11C10000 {
-                        /*
-                         * MDMA1 can support both secure and non-secure
-                         * AXI transactions. When this is enabled in the kernel
-                         * for boards that run in secure mode, we are getting
-                         * imprecise external aborts causing the kernel to oops.
-                         */
-                        status = "disabled";
-                };
-        };
 };
diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index 67ba2c56fa8e..d433fe4d00f0 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -219,16 +219,6 @@
                 reg = <0x100440C0 0x20>;
         };
 
-        mau_pd: power-domain@100440E0 {
-                compatible = "samsung,exynos4210-pd";
-                reg = <0x100440E0 0x20>;
-        };
-
-        g2d_pd: power-domain@10044100 {
-                compatible = "samsung,exynos4210-pd";
-                reg = <0x10044100 0x20>;
-        };
-
         msc_pd: power-domain@10044120 {
                 compatible = "samsung,exynos4210-pd";
                 reg = <0x10044120 0x20>;
@@ -336,6 +326,13 @@
                         #dma-cells = <1>;
                         #dma-channels = <8>;
                         #dma-requests = <1>;
+                        /*
+                         * MDMA1 can support both secure and non-secure
+                         * AXI transactions. When this is enabled in the kernel
+                         * for boards that run in secure mode, we are getting
+                         * imprecise external aborts causing the kernel to oops.
+                         */
+                        status = "disabled";
                 };
         };
 
@@ -730,6 +727,5 @@
                 interrupts = <0 112 0>;
                 clocks = <&clock 471>;
                 clock-names = "secss";
-                samsung,power-domain = <&g2d_pd>;
         };
 };
diff --git a/arch/arm/boot/dts/imx25.dtsi b/arch/arm/boot/dts/imx25.dtsi
index 32f760e24898..ea323f09dc78 100644
--- a/arch/arm/boot/dts/imx25.dtsi
+++ b/arch/arm/boot/dts/imx25.dtsi
@@ -56,6 +56,7 @@
 
                 osc {
                         compatible = "fsl,imx-osc", "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <24000000>;
                 };
         };
diff --git a/arch/arm/boot/dts/imx27-apf27.dts b/arch/arm/boot/dts/imx27-apf27.dts
index 09f57b39e3ef..73aae4f5e539 100644
--- a/arch/arm/boot/dts/imx27-apf27.dts
+++ b/arch/arm/boot/dts/imx27-apf27.dts
@@ -29,6 +29,7 @@
 
                 osc26m {
                         compatible = "fsl,imx-osc26m", "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <0>;
                 };
         };
diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi
index 6279e0b4f768..137e010eab35 100644
--- a/arch/arm/boot/dts/imx27.dtsi
+++ b/arch/arm/boot/dts/imx27.dtsi
@@ -48,6 +48,7 @@
 
                 osc26m {
                         compatible = "fsl,imx-osc26m", "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <26000000>;
                 };
         };
diff --git a/arch/arm/boot/dts/imx50.dtsi b/arch/arm/boot/dts/imx50.dtsi
index 0c75fe3deb35..9c89d1ca97c2 100644
--- a/arch/arm/boot/dts/imx50.dtsi
+++ b/arch/arm/boot/dts/imx50.dtsi
@@ -53,21 +53,25 @@
 
                 ckil {
                         compatible = "fsl,imx-ckil", "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <32768>;
                 };
 
                 ckih1 {
                         compatible = "fsl,imx-ckih1", "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <22579200>;
                 };
 
                 ckih2 {
                         compatible = "fsl,imx-ckih2", "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <0>;
                 };
 
                 osc {
                         compatible = "fsl,imx-osc", "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <24000000>;
                 };
         };
diff --git a/arch/arm/boot/dts/imx51.dtsi b/arch/arm/boot/dts/imx51.dtsi
index 5f8216d08f6b..150bb4e2f744 100644
--- a/arch/arm/boot/dts/imx51.dtsi
+++ b/arch/arm/boot/dts/imx51.dtsi
@@ -50,21 +50,25 @@
 
                 ckil {
                         compatible = "fsl,imx-ckil", "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <32768>;
                 };
 
                 ckih1 {
                         compatible = "fsl,imx-ckih1", "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <0>;
                 };
 
                 ckih2 {
                         compatible = "fsl,imx-ckih2", "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <0>;
                 };
 
                 osc {
                         compatible = "fsl,imx-osc", "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <24000000>;
                 };
         };
diff --git a/arch/arm/boot/dts/imx53-m53evk.dts b/arch/arm/boot/dts/imx53-m53evk.dts
index f6d3ac3e5587..d5d146a8b149 100644
--- a/arch/arm/boot/dts/imx53-m53evk.dts
+++ b/arch/arm/boot/dts/imx53-m53evk.dts
@@ -17,7 +17,8 @@
         compatible = "denx,imx53-m53evk", "fsl,imx53";
 
         memory {
-                reg = <0x70000000 0x20000000>;
+                reg = <0x70000000 0x20000000>,
+                      <0xb0000000 0x20000000>;
         };
 
         soc {
@@ -193,17 +194,17 @@
                 irq-trigger = <0x1>;
 
                 stmpe_touchscreen {
-                        compatible = "stmpe,ts";
+                        compatible = "st,stmpe-ts";
                         reg = <0>;
-                        ts,sample-time = <4>;
-                        ts,mod-12b = <1>;
-                        ts,ref-sel = <0>;
-                        ts,adc-freq = <1>;
-                        ts,ave-ctrl = <3>;
-                        ts,touch-det-delay = <3>;
-                        ts,settling = <4>;
-                        ts,fraction-z = <7>;
-                        ts,i-drive = <1>;
+                        st,sample-time = <4>;
+                        st,mod-12b = <1>;
+                        st,ref-sel = <0>;
+                        st,adc-freq = <1>;
+                        st,ave-ctrl = <3>;
+                        st,touch-det-delay = <3>;
+                        st,settling = <4>;
+                        st,fraction-z = <7>;
+                        st,i-drive = <1>;
                 };
         };
 
diff --git a/arch/arm/boot/dts/imx53-qsb-common.dtsi b/arch/arm/boot/dts/imx53-qsb-common.dtsi
index 3f825a6813da..ede04fa4161f 100644
--- a/arch/arm/boot/dts/imx53-qsb-common.dtsi
+++ b/arch/arm/boot/dts/imx53-qsb-common.dtsi
@@ -14,7 +14,8 @@
 
 / {
         memory {
-                reg = <0x70000000 0x40000000>;
+                reg = <0x70000000 0x20000000>,
+                      <0xb0000000 0x20000000>;
         };
 
         display0: display@di0 {
diff --git a/arch/arm/boot/dts/imx53-tx53-x03x.dts b/arch/arm/boot/dts/imx53-tx53-x03x.dts
index 0217dde3b36b..3b73e81dc3f0 100644
--- a/arch/arm/boot/dts/imx53-tx53-x03x.dts
+++ b/arch/arm/boot/dts/imx53-tx53-x03x.dts
@@ -25,12 +25,17 @@
         soc {
                 display: display@di0 {
                         compatible = "fsl,imx-parallel-display";
-                        crtcs = <&ipu 0>;
                         interface-pix-fmt = "rgb24";
                         pinctrl-names = "default";
                         pinctrl-0 = <&pinctrl_rgb24_vga1>;
                         status = "okay";
 
+                        port {
+                                display0_in: endpoint {
+                                        remote-endpoint = <&ipu_di0_disp0>;
+                                };
+                        };
+
                         display-timings {
                                 VGA {
                                         clock-frequency = <25200000>;
@@ -293,6 +298,10 @@
         };
 };
 
+&ipu_di0_disp0 {
+        remote-endpoint = <&display0_in>;
+};
+
 &kpp {
         pinctrl-names = "default";
         pinctrl-0 = <&pinctrl_kpp>;
diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi
index b57ab57740f6..9c2bff2252d0 100644
--- a/arch/arm/boot/dts/imx53.dtsi
+++ b/arch/arm/boot/dts/imx53.dtsi
@@ -70,21 +70,25 @@
 
                 ckil {
                         compatible = "fsl,imx-ckil", "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <32768>;
                 };
 
                 ckih1 {
                         compatible = "fsl,imx-ckih1", "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <22579200>;
                 };
 
                 ckih2 {
                         compatible = "fsl,imx-ckih2", "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <0>;
                 };
 
                 osc {
                         compatible = "fsl,imx-osc", "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <24000000>;
                 };
         };
@@ -430,7 +434,7 @@
 
                                         port {
                                                 lvds1_in: endpoint {
-                                                        remote-endpoint = <&ipu_di0_lvds0>;
+                                                        remote-endpoint = <&ipu_di1_lvds1>;
                                                 };
                                         };
                                 };
diff --git a/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts b/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts
index a63bbb3d46bb..e4ae38fd0269 100644
--- a/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts
+++ b/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts
@@ -19,7 +19,10 @@
         compatible = "dmo,imx6q-edmqmx6", "fsl,imx6q";
 
         aliases {
-                gpio7 = &stmpe_gpio;
+                gpio7 = &stmpe_gpio1;
+                gpio8 = &stmpe_gpio2;
+                stmpe-i2c0 = &stmpe1;
+                stmpe-i2c1 = &stmpe2;
         };
 
         memory {
@@ -40,13 +43,15 @@
                         regulator-always-on;
                 };
 
-                reg_usb_otg_vbus: regulator@1 {
+                reg_usb_otg_switch: regulator@1 {
                         compatible = "regulator-fixed";
                         reg = <1>;
-                        regulator-name = "usb_otg_vbus";
+                        regulator-name = "usb_otg_switch";
                         regulator-min-microvolt = <5000000>;
                         regulator-max-microvolt = <5000000>;
                         gpio = <&gpio7 12 0>;
+                        regulator-boot-on;
+                        regulator-always-on;
                 };
 
                 reg_usb_host1: regulator@2 {
@@ -65,23 +70,23 @@
 
                 led-blue {
                         label = "blue";
-                        gpios = <&stmpe_gpio 8 GPIO_ACTIVE_HIGH>;
+                        gpios = <&stmpe_gpio1 8 GPIO_ACTIVE_HIGH>;
                         linux,default-trigger = "heartbeat";
                 };
 
                 led-green {
                         label = "green";
-                        gpios = <&stmpe_gpio 9 GPIO_ACTIVE_HIGH>;
+                        gpios = <&stmpe_gpio1 9 GPIO_ACTIVE_HIGH>;
                 };
 
                 led-pink {
                         label = "pink";
-                        gpios = <&stmpe_gpio 10 GPIO_ACTIVE_HIGH>;
+                        gpios = <&stmpe_gpio1 10 GPIO_ACTIVE_HIGH>;
                 };
 
                 led-red {
                         label = "red";
-                        gpios = <&stmpe_gpio 11 GPIO_ACTIVE_HIGH>;
+                        gpios = <&stmpe_gpio1 11 GPIO_ACTIVE_HIGH>;
                 };
         };
 };
@@ -99,7 +104,8 @@
         clock-frequency = <100000>;
         pinctrl-names = "default";
         pinctrl-0 = <&pinctrl_i2c2
-                     &pinctrl_stmpe>;
+                     &pinctrl_stmpe1
+                     &pinctrl_stmpe2>;
         status = "okay";
 
         pmic: pfuze100@08 {
@@ -205,13 +211,25 @@
                 };
         };
 
-        stmpe: stmpe1601@40 {
+        stmpe1: stmpe1601@40 {
                 compatible = "st,stmpe1601";
                 reg = <0x40>;
                 interrupts = <30 0>;
                 interrupt-parent = <&gpio3>;
 
-                stmpe_gpio: stmpe_gpio {
+                stmpe_gpio1: stmpe_gpio {
+                        #gpio-cells = <2>;
+                        compatible = "st,stmpe-gpio";
+                };
+        };
+
+        stmpe2: stmpe1601@44 {
+                compatible = "st,stmpe1601";
+                reg = <0x44>;
+                interrupts = <2 0>;
+                interrupt-parent = <&gpio5>;
+
+                stmpe_gpio2: stmpe_gpio {
                         #gpio-cells = <2>;
                         compatible = "st,stmpe-gpio";
                 };
@@ -273,10 +291,14 @@
                         >;
                 };
 
-                pinctrl_stmpe: stmpegrp {
+                pinctrl_stmpe1: stmpe1grp {
                         fsl,pins = <MX6QDL_PAD_EIM_D30__GPIO3_IO30 0x80000000>;
                 };
 
+                pinctrl_stmpe2: stmpe2grp {
+                        fsl,pins = <MX6QDL_PAD_EIM_A25__GPIO5_IO02 0x80000000>;
+                };
+
                 pinctrl_uart1: uart1grp {
                         fsl,pins = <
                                 MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA      0x1b0b1
@@ -293,7 +315,7 @@
 
                 pinctrl_usbotg: usbotggrp {
                         fsl,pins = <
-                                MX6QDL_PAD_GPIO_1__USB_OTG_ID           0x17059
+                                MX6QDL_PAD_ENET_RX_ER__USB_OTG_ID       0x17059
                         >;
                 };
 
@@ -344,11 +366,11 @@
 &usbh1 {
         vbus-supply = <&reg_usb_host1>;
         disable-over-current;
+        dr_mode = "host";
         status = "okay";
 };
 
 &usbotg {
-        vbus-supply = <&reg_usb_otg_vbus>;
         pinctrl-names = "default";
         pinctrl-0 = <&pinctrl_usbotg>;
         disable-over-current;
diff --git a/arch/arm/boot/dts/imx6q-gw5400-a.dts b/arch/arm/boot/dts/imx6q-gw5400-a.dts
index 902f98310481..e51bb3f0fd56 100644
--- a/arch/arm/boot/dts/imx6q-gw5400-a.dts
+++ b/arch/arm/boot/dts/imx6q-gw5400-a.dts
@@ -487,9 +487,6 @@
 
 &ldb {
         status = "okay";
-        lvds-channel@0 {
-                crtcs = <&ipu1 0>, <&ipu1 1>, <&ipu2 0>, <&ipu2 1>;
-        };
 };
 
 &pcie {
diff --git a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
index 8e99c9a9bc76..035d3a85c318 100644
--- a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
@@ -436,9 +436,6 @@
 
 &ldb {
         status = "okay";
-        lvds-channel@0 {
-                crtcs = <&ipu1 0>, <&ipu1 1>;
-        };
 };
 
 &pcie {
diff --git a/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi b/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi
index a3cb2fff8f61..d16066608e21 100644
--- a/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi
@@ -26,25 +26,25 @@
                                 /* GPIO16 -> AR8035 25MHz */
                                 MX6QDL_PAD_GPIO_16__ENET_REF_CLK        0xc0000000
                                 MX6QDL_PAD_RGMII_TXC__RGMII_TXC         0x80000000
-                                MX6QDL_PAD_RGMII_TD0__RGMII_TD0         0x1b0b0
-                                MX6QDL_PAD_RGMII_TD1__RGMII_TD1         0x1b0b0
-                                MX6QDL_PAD_RGMII_TD2__RGMII_TD2         0x1b0b0
-                                MX6QDL_PAD_RGMII_TD3__RGMII_TD3         0x1b0b0
-                                MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL   0x1b0b0
+                                MX6QDL_PAD_RGMII_TD0__RGMII_TD0         0x1b030
+                                MX6QDL_PAD_RGMII_TD1__RGMII_TD1         0x1b030
+                                MX6QDL_PAD_RGMII_TD2__RGMII_TD2         0x1b030
+                                MX6QDL_PAD_RGMII_TD3__RGMII_TD3         0x1b030
+                                MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL   0x1b030
                                 /* AR8035 CLK_25M --> ENET_REF_CLK (V22) */
                                 MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK    0x0a0b1
                                 /* AR8035 pin strapping: IO voltage: pull up */
-                                MX6QDL_PAD_RGMII_RXC__RGMII_RXC         0x1b0b0
+                                MX6QDL_PAD_RGMII_RXC__RGMII_RXC         0x1b030
                                 /* AR8035 pin strapping: PHYADDR#0: pull down */
-                                MX6QDL_PAD_RGMII_RD0__RGMII_RD0         0x130b0
+                                MX6QDL_PAD_RGMII_RD0__RGMII_RD0         0x13030
                                 /* AR8035 pin strapping: PHYADDR#1: pull down */
-                                MX6QDL_PAD_RGMII_RD1__RGMII_RD1         0x130b0
+                                MX6QDL_PAD_RGMII_RD1__RGMII_RD1         0x13030
                                 /* AR8035 pin strapping: MODE#1: pull up */
-                                MX6QDL_PAD_RGMII_RD2__RGMII_RD2         0x1b0b0
+                                MX6QDL_PAD_RGMII_RD2__RGMII_RD2         0x1b030
                                 /* AR8035 pin strapping: MODE#3: pull up */
-                                MX6QDL_PAD_RGMII_RD3__RGMII_RD3         0x1b0b0
+                                MX6QDL_PAD_RGMII_RD3__RGMII_RD3         0x1b030
                                 /* AR8035 pin strapping: MODE#0: pull down */
-                                MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL   0x130b0
+                                MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL   0x13030
 
                                 /*
                                  * As the RMII pins are also connected to RGMII
diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index 55cb926fa3f7..eca0971d4db1 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -10,6 +10,8 @@
  * http://www.gnu.org/copyleft/gpl.html
  */
 
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
 #include "skeleton.dtsi"
 
 / {
@@ -46,8 +48,6 @@
         intc: interrupt-controller@00a01000 {
                 compatible = "arm,cortex-a9-gic";
                 #interrupt-cells = <3>;
-                #address-cells = <1>;
-                #size-cells = <1>;
                 interrupt-controller;
                 reg = <0x00a01000 0x1000>,
                       <0x00a00100 0x100>;
@@ -59,16 +59,19 @@
 
                 ckil {
                         compatible = "fsl,imx-ckil", "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <32768>;
                 };
 
                 ckih1 {
                         compatible = "fsl,imx-ckih1", "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <0>;
                 };
 
                 osc {
                         compatible = "fsl,imx-osc", "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <24000000>;
                 };
         };
@@ -138,6 +141,12 @@
                                   0x82000000 0 0x01000000 0x01000000 0 0x00f00000>; /* non-prefetchable memory */
                         num-lanes = <1>;
                         interrupts = <0 123 IRQ_TYPE_LEVEL_HIGH>;
+                        #interrupt-cells = <1>;
+                        interrupt-map-mask = <0 0 0 0x7>;
+                        interrupt-map = <0 0 0 1 &intc GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
+                                        <0 0 0 2 &intc GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
+                                        <0 0 0 3 &intc GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
+                                        <0 0 0 4 &intc GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
                         clocks = <&clks 189>, <&clks 187>, <&clks 206>, <&clks 144>;
                         clock-names = "pcie_ref_125m", "sata_ref_100m", "lvds_gate", "pcie_axi";
                         status = "disabled";
diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts
index 864d8dfb51ca..a8d9a93fab85 100644
--- a/arch/arm/boot/dts/imx6sl-evk.dts
+++ b/arch/arm/boot/dts/imx6sl-evk.dts
@@ -282,6 +282,7 @@
                                 MX6SL_PAD_ECSPI1_MISO__ECSPI1_MISO      0x100b1
                                 MX6SL_PAD_ECSPI1_MOSI__ECSPI1_MOSI      0x100b1
                                 MX6SL_PAD_ECSPI1_SCLK__ECSPI1_SCLK      0x100b1
+                                MX6SL_PAD_ECSPI1_SS0__GPIO4_IO11        0x80000000
                         >;
                 };
 
diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi
index 3cb4941afeef..d26b099260a3 100644
--- a/arch/arm/boot/dts/imx6sl.dtsi
+++ b/arch/arm/boot/dts/imx6sl.dtsi
@@ -68,8 +68,6 @@
         intc: interrupt-controller@00a01000 {
                 compatible = "arm,cortex-a9-gic";
                 #interrupt-cells = <3>;
-                #address-cells = <1>;
-                #size-cells = <1>;
                 interrupt-controller;
                 reg = <0x00a01000 0x1000>,
                       <0x00a00100 0x100>;
@@ -81,11 +79,13 @@
 
                 ckil {
                         compatible = "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <32768>;
                 };
 
                 osc {
                         compatible = "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <24000000>;
                 };
         };
diff --git a/arch/arm/boot/dts/kirkwood-b3.dts b/arch/arm/boot/dts/kirkwood-b3.dts
index 40791053106b..6becedebaa4e 100644
--- a/arch/arm/boot/dts/kirkwood-b3.dts
+++ b/arch/arm/boot/dts/kirkwood-b3.dts
@@ -75,7 +75,7 @@
                         m25p16@0 {
                                 #address-cells = <1>;
                                 #size-cells = <1>;
-                                compatible = "m25p16";
+                                compatible = "st,m25p16";
                                 reg = <0>;
                                 spi-max-frequency = <40000000>;
                                 mode = <0>;
diff --git a/arch/arm/boot/dts/kirkwood-cloudbox.dts b/arch/arm/boot/dts/kirkwood-cloudbox.dts
index 0e06fd3cee4d..3b62aeeaa3a2 100644
--- a/arch/arm/boot/dts/kirkwood-cloudbox.dts
+++ b/arch/arm/boot/dts/kirkwood-cloudbox.dts
@@ -46,7 +46,7 @@
                         flash@0 {
                                 #address-cells = <1>;
                                 #size-cells = <1>;
-                                compatible = "mx25l4005a";
+                                compatible = "mxicy,mx25l4005a";
                                 reg = <0>;
                                 spi-max-frequency = <20000000>;
                                 mode = <0>;
diff --git a/arch/arm/boot/dts/kirkwood-dreamplug.dts b/arch/arm/boot/dts/kirkwood-dreamplug.dts
index ef3463e0ae19..28b3ee369778 100644
--- a/arch/arm/boot/dts/kirkwood-dreamplug.dts
+++ b/arch/arm/boot/dts/kirkwood-dreamplug.dts
@@ -43,7 +43,7 @@
                         m25p40@0 {
                                 #address-cells = <1>;
                                 #size-cells = <1>;
-                                compatible = "mx25l1606e";
+                                compatible = "mxicy,mx25l1606e";
                                 reg = <0>;
                                 spi-max-frequency = <50000000>;
                                 mode = <0>;
diff --git a/arch/arm/boot/dts/kirkwood-laplug.dts b/arch/arm/boot/dts/kirkwood-laplug.dts
index c9e82eff9bf2..6761ffa2c4ab 100644
--- a/arch/arm/boot/dts/kirkwood-laplug.dts
+++ b/arch/arm/boot/dts/kirkwood-laplug.dts
@@ -48,7 +48,7 @@
                         status = "okay";
 
                         eeprom@50 {
-                                compatible = "at,24c04";
+                                compatible = "atmel,24c04";
                                 pagesize = <16>;
                                 reg = <0x50>;
                         };
diff --git a/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts b/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts
index 2cb0dc529165..32c6fb4a1162 100644
--- a/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts
+++ b/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts
@@ -56,7 +56,7 @@
                         flash@0 {
                                 #address-cells = <1>;
                                 #size-cells = <1>;
-                                compatible = "mx25l12805d";
+                                compatible = "mxicy,mx25l12805d";
                                 reg = <0>;
                                 spi-max-frequency = <50000000>;
                                 mode = <0>;
diff --git a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
index 743152f31a81..e6e5ec4fe6b9 100644
--- a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
+++ b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
@@ -32,7 +32,7 @@
                         flash@0 {
                                 #address-cells = <1>;
                                 #size-cells = <1>;
-                                compatible = "mx25l4005a";
+                                compatible = "mxicy,mx25l4005a";
                                 reg = <0>;
                                 spi-max-frequency = <20000000>;
                                 mode = <0>;
@@ -50,7 +50,7 @@
                         status = "okay";
 
                         eeprom@50 {
-                                compatible = "at,24c04";
+                                compatible = "atmel,24c04";
                                 pagesize = <16>;
                                 reg = <0x50>;
                         };
diff --git a/arch/arm/boot/dts/kirkwood-nsa310.dts b/arch/arm/boot/dts/kirkwood-nsa310.dts
index 03fa24cf3344..0a07af9d8e58 100644
--- a/arch/arm/boot/dts/kirkwood-nsa310.dts
+++ b/arch/arm/boot/dts/kirkwood-nsa310.dts
@@ -104,7 +104,7 @@
                         status = "okay";
 
                         adt7476: adt7476a@2e {
-                                compatible = "adt7476";
+                                compatible = "adi,adt7476";
                                 reg = <0x2e>;
                         };
                 };
diff --git a/arch/arm/boot/dts/kirkwood-nsa310a.dts b/arch/arm/boot/dts/kirkwood-nsa310a.dts
index a5e779452867..27ca6a79c48a 100644
--- a/arch/arm/boot/dts/kirkwood-nsa310a.dts
+++ b/arch/arm/boot/dts/kirkwood-nsa310a.dts
@@ -94,7 +94,7 @@
                         status = "okay";
 
                         lm85: lm85@2e {
-                                compatible = "lm85";
+                                compatible = "national,lm85";
                                 reg = <0x2e>;
                         };
                 };
diff --git a/arch/arm/boot/dts/kirkwood-openblocks_a6.dts b/arch/arm/boot/dts/kirkwood-openblocks_a6.dts
index b88da9392c32..0650beafc1de 100644
--- a/arch/arm/boot/dts/kirkwood-openblocks_a6.dts
+++ b/arch/arm/boot/dts/kirkwood-openblocks_a6.dts
@@ -40,7 +40,7 @@
                         pinctrl-names = "default";
 
                         s35390a: s35390a@30 {
-                                compatible = "s35390a";
+                                compatible = "sii,s35390a";
                                 reg = <0x30>;
                         };
                 };
diff --git a/arch/arm/boot/dts/kirkwood-openblocks_a7.dts b/arch/arm/boot/dts/kirkwood-openblocks_a7.dts
index b2f7cae06839..38520a287514 100644
--- a/arch/arm/boot/dts/kirkwood-openblocks_a7.dts
+++ b/arch/arm/boot/dts/kirkwood-openblocks_a7.dts
@@ -52,7 +52,7 @@
                         pinctrl-names = "default";
 
                         s24c02: s24c02@50 {
-                                compatible = "24c02";
+                                compatible = "atmel,24c02";
                                 reg = <0x50>;
                         };
                 };
diff --git a/arch/arm/boot/dts/omap3-beagle-xm-ab.dts b/arch/arm/boot/dts/omap3-beagle-xm-ab.dts
new file mode 100644
index 000000000000..7ac3bcf59d59
--- /dev/null
+++ b/arch/arm/boot/dts/omap3-beagle-xm-ab.dts
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "omap3-beagle-xm.dts"
+
+/ {
+        /* HS USB Port 2 Power enable was inverted with the xM C */
+        hsusb2_power: hsusb2_power_reg {
+                enable-active-high;
+        };
+};
diff --git a/arch/arm/boot/dts/omap3-devkit8000.dts b/arch/arm/boot/dts/omap3-devkit8000.dts
index bf5a515a3247..da402f0fdab4 100644
--- a/arch/arm/boot/dts/omap3-devkit8000.dts
+++ b/arch/arm/boot/dts/omap3-devkit8000.dts
@@ -112,7 +112,6 @@
                 reg = <0 0 0>; /* CS0, offset 0 */
                 nand-bus-width = <16>;
 
-                gpmc,device-nand;
                 gpmc,sync-clk-ps = <0>;
                 gpmc,cs-on-ns = <0>;
                 gpmc,cs-rd-off-ns = <44>;
diff --git a/arch/arm/boot/dts/omap3-lilly-a83x.dtsi b/arch/arm/boot/dts/omap3-lilly-a83x.dtsi
index 6369d9f43ca2..cc1dce6978f5 100644
--- a/arch/arm/boot/dts/omap3-lilly-a83x.dtsi
+++ b/arch/arm/boot/dts/omap3-lilly-a83x.dtsi
@@ -368,7 +368,6 @@
                 /* no elm on omap3 */
 
                 gpmc,mux-add-data = <0>;
-                gpmc,device-nand;
                 gpmc,device-width = <2>;
                 gpmc,wait-pin = <0>;
                 gpmc,wait-monitoring-ns = <0>;
diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi
index 5e5790f631eb..acb9019dc437 100644
--- a/arch/arm/boot/dts/omap3.dtsi
+++ b/arch/arm/boot/dts/omap3.dtsi
@@ -74,7 +74,7 @@
         /*
          * XXX: Use a flat representation of the OMAP3 interconnect.
          * The real OMAP interconnect network is quite complex.
-         * Since that will not bring real advantage to represent that in DT for
+         * Since it will not bring real advantage to represent that in DT for
          * the moment, just use a fake OCP bus entry to represent the whole bus
          * hierarchy.
          */
diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
index 27fcac874742..649b5cd38b40 100644
--- a/arch/arm/boot/dts/omap4.dtsi
+++ b/arch/arm/boot/dts/omap4.dtsi
@@ -72,7 +72,7 @@
         };
 
         /*
-         * The soc node represents the soc top level view. It is uses for IPs
+         * The soc node represents the soc top level view. It is used for IPs
          * that are not memory mapped in the MPU view or for the MPU itself.
          */
         soc {
@@ -96,7 +96,7 @@
         /*
          * XXX: Use a flat representation of the OMAP4 interconnect.
          * The real OMAP interconnect network is quite complex.
-         * Since that will not bring real advantage to represent that in DT for
+         * Since it will not bring real advantage to represent that in DT for
          * the moment, just use a fake OCP bus entry to represent the whole bus
          * hierarchy.
          */
diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
index 6f3de22fb266..f8c9855ce587 100644
--- a/arch/arm/boot/dts/omap5.dtsi
+++ b/arch/arm/boot/dts/omap5.dtsi
@@ -93,7 +93,7 @@
         };
 
         /*
-         * The soc node represents the soc top level view. It is uses for IPs
+         * The soc node represents the soc top level view. It is used for IPs
          * that are not memory mapped in the MPU view or for the MPU itself.
          */
         soc {
@@ -107,7 +107,7 @@
         /*
          * XXX: Use a flat representation of the OMAP3 interconnect.
          * The real OMAP interconnect network is quite complex.
-         * Since that will not bring real advantage to represent that in DT for
+         * Since it will not bring real advantage to represent that in DT for
          * the moment, just use a fake OCP bus entry to represent the whole bus
          * hierarchy.
          */
@@ -813,6 +813,12 @@
                                       <0x4a084c00 0x40>;
                                 reg-names = "phy_rx", "phy_tx", "pll_ctrl";
                                 ctrl-module = <&omap_control_usb3phy>;
+                                clocks = <&usb_phy_cm_clk32k>,
+                                         <&sys_clkin>,
+                                         <&usb_otg_ss_refclk960m>;
+                                clock-names =   "wkupclk",
+                                                "sysclk",
+                                                "refclk";
                                 #phy-cells = <0>;
                         };
                 };
diff --git a/arch/arm/boot/dts/r8a7740.dtsi b/arch/arm/boot/dts/r8a7740.dtsi
index 8280884bfa59..2551e9438d35 100644
--- a/arch/arm/boot/dts/r8a7740.dtsi
+++ b/arch/arm/boot/dts/r8a7740.dtsi
@@ -28,7 +28,6 @@
         gic: interrupt-controller@c2800000 {
                 compatible = "arm,cortex-a9-gic";
                 #interrupt-cells = <3>;
-                #address-cells = <1>;
                 interrupt-controller;
                 reg = <0xc2800000 0x1000>,
                       <0xc2000000 0x1000>;
diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 6e99eb2df076..d01048ab3e77 100644
--- a/arch/arm/boot/dts/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/r8a7790-lager.dts
@@ -141,12 +141,12 @@
         };
 
         sdhi0_pins: sd0 {
-                renesas,gpios = "sdhi0_data4", "sdhi0_ctrl";
+                renesas,groups = "sdhi0_data4", "sdhi0_ctrl";
                 renesas,function = "sdhi0";
         };
 
         sdhi2_pins: sd2 {
-                renesas,gpios = "sdhi2_data4", "sdhi2_ctrl";
+                renesas,groups = "sdhi2_data4", "sdhi2_ctrl";
                 renesas,function = "sdhi2";
         };
 
diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index bdd73e6657b2..de1b6977c69a 100644
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -230,17 +230,17 @@
         };
 
         sdhi0_pins: sd0 {
-                renesas,gpios = "sdhi0_data4", "sdhi0_ctrl";
+                renesas,groups = "sdhi0_data4", "sdhi0_ctrl";
                 renesas,function = "sdhi0";
         };
 
         sdhi1_pins: sd1 {
-                renesas,gpios = "sdhi1_data4", "sdhi1_ctrl";
+                renesas,groups = "sdhi1_data4", "sdhi1_ctrl";
                 renesas,function = "sdhi1";
         };
 
         sdhi2_pins: sd2 {
-                renesas,gpios = "sdhi2_data4", "sdhi2_ctrl";
+                renesas,groups = "sdhi2_data4", "sdhi2_ctrl";
                 renesas,function = "sdhi2";
         };
 
diff --git a/arch/arm/boot/dts/rk3188.dtsi b/arch/arm/boot/dts/rk3188.dtsi
index bb36596ea205..ed9a70af3e3f 100644
--- a/arch/arm/boot/dts/rk3188.dtsi
+++ b/arch/arm/boot/dts/rk3188.dtsi
@@ -149,7 +149,7 @@
 
                         uart0 {
                                 uart0_xfer: uart0-xfer {
-                                        rockchip,pins = <RK_GPIO1 0 RK_FUNC_1 &pcfg_pull_none>,
+                                        rockchip,pins = <RK_GPIO1 0 RK_FUNC_1 &pcfg_pull_up>,
                                                         <RK_GPIO1 1 RK_FUNC_1 &pcfg_pull_none>;
                                 };
 
@@ -164,7 +164,7 @@
 
                         uart1 {
                                 uart1_xfer: uart1-xfer {
-                                        rockchip,pins = <RK_GPIO1 4 RK_FUNC_1 &pcfg_pull_none>,
+                                        rockchip,pins = <RK_GPIO1 4 RK_FUNC_1 &pcfg_pull_up>,
                                                         <RK_GPIO1 5 RK_FUNC_1 &pcfg_pull_none>;
                                 };
 
@@ -179,7 +179,7 @@
 
                         uart2 {
                                 uart2_xfer: uart2-xfer {
-                                        rockchip,pins = <RK_GPIO1 8 RK_FUNC_1 &pcfg_pull_none>,
+                                        rockchip,pins = <RK_GPIO1 8 RK_FUNC_1 &pcfg_pull_up>,
                                                         <RK_GPIO1 9 RK_FUNC_1 &pcfg_pull_none>;
                                 };
                                 /* no rts / cts for uart2 */
@@ -187,7 +187,7 @@
 
                         uart3 {
                                 uart3_xfer: uart3-xfer {
-                                        rockchip,pins = <RK_GPIO1 10 RK_FUNC_1 &pcfg_pull_none>,
+                                        rockchip,pins = <RK_GPIO1 10 RK_FUNC_1 &pcfg_pull_up>,
                                                         <RK_GPIO1 11 RK_FUNC_1 &pcfg_pull_none>;
                                 };
 
diff --git a/arch/arm/boot/dts/sh73a0.dtsi b/arch/arm/boot/dts/sh73a0.dtsi
index b7bd3b9a6753..5ecf552e1c00 100644
--- a/arch/arm/boot/dts/sh73a0.dtsi
+++ b/arch/arm/boot/dts/sh73a0.dtsi
@@ -34,7 +34,6 @@
         gic: interrupt-controller@f0001000 {
                 compatible = "arm,cortex-a9-gic";
                 #interrupt-cells = <3>;
-                #address-cells = <1>;
                 interrupt-controller;
                 reg = <0xf0001000 0x1000>,
                       <0xf0000100 0x100>;
diff --git a/arch/arm/boot/dts/spear320-hmi.dts b/arch/arm/boot/dts/spear320-hmi.dts
index 3075d2d3a8be..0aa6fef5ce22 100644
--- a/arch/arm/boot/dts/spear320-hmi.dts
+++ b/arch/arm/boot/dts/spear320-hmi.dts
@@ -1,7 +1,7 @@
 /*
  * DTS file for SPEAr320 Evaluation Baord
  *
- * Copyright 2012 Shiraz Hashim <shiraz.hashim@st.com>
+ * Copyright 2012 Shiraz Hashim <shiraz.linux.kernel@gmail.com>
  *
  * The code contained herein is licensed under the GNU General Public
  * License. You may obtain a copy of the GNU General Public License
diff --git a/arch/arm/boot/dts/stih415-pinctrl.dtsi b/arch/arm/boot/dts/stih415-pinctrl.dtsi
index f09fb10a3791..81df870e5ee6 100644
--- a/arch/arm/boot/dts/stih415-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stih415-pinctrl.dtsi
@@ -49,7 +49,7 @@
                         reg             = <0xfe61f080 0x4>;
                         reg-names       = "irqmux";
                         interrupts      = <GIC_SPI 180 IRQ_TYPE_LEVEL_HIGH>;
-                        interrupts-names = "irqmux";
+                        interrupt-names = "irqmux";
                         ranges          = <0 0xfe610000 0x5000>;
 
                         PIO0: gpio@fe610000 {
@@ -187,7 +187,7 @@
                         reg             = <0xfee0f080 0x4>;
                         reg-names       = "irqmux";
                         interrupts      = <GIC_SPI 181 IRQ_TYPE_LEVEL_HIGH>;
-                        interrupts-names = "irqmux";
+                        interrupt-names = "irqmux";
                         ranges          = <0 0xfee00000 0x8000>;
 
                         PIO5: gpio@fee00000 {
@@ -282,7 +282,7 @@
                         reg             = <0xfe82f080 0x4>;
                         reg-names       = "irqmux";
                         interrupts      = <GIC_SPI 182 IRQ_TYPE_LEVEL_HIGH>;
-                        interrupts-names = "irqmux";
+                        interrupt-names = "irqmux";
                         ranges          = <0 0xfe820000 0x8000>;
 
                         PIO13: gpio@fe820000 {
@@ -423,7 +423,7 @@
                         reg             = <0xfd6bf080 0x4>;
                         reg-names       = "irqmux";
                         interrupts      = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>;
-                        interrupts-names = "irqmux";
+                        interrupt-names = "irqmux";
                         ranges          = <0 0xfd6b0000 0x3000>;
 
                         PIO100: gpio@fd6b0000 {
@@ -460,7 +460,7 @@
                         reg             = <0xfd33f080 0x4>;
                         reg-names       = "irqmux";
                         interrupts      = <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>;
-                        interrupts-names = "irqmux";
+                        interrupt-names = "irqmux";
                         ranges          = <0 0xfd330000 0x5000>;
 
                         PIO103: gpio@fd330000 {
diff --git a/arch/arm/boot/dts/stih416-pinctrl.dtsi b/arch/arm/boot/dts/stih416-pinctrl.dtsi
index aeea304086eb..250d5ecc951e 100644
--- a/arch/arm/boot/dts/stih416-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stih416-pinctrl.dtsi
@@ -53,7 +53,7 @@
                         reg             = <0xfe61f080 0x4>;
                         reg-names       = "irqmux";
                         interrupts      = <GIC_SPI 182 IRQ_TYPE_LEVEL_HIGH>;
-                        interrupts-names = "irqmux";
+                        interrupt-names = "irqmux";
                         ranges          = <0 0xfe610000 0x6000>;
 
                         PIO0: gpio@fe610000 {
@@ -201,7 +201,7 @@
                         reg             = <0xfee0f080 0x4>;
                         reg-names       = "irqmux";
                         interrupts      = <GIC_SPI 183 IRQ_TYPE_LEVEL_HIGH>;
-                        interrupts-names = "irqmux";
+                        interrupt-names = "irqmux";
                         ranges          = <0 0xfee00000 0x10000>;
 
                         PIO5: gpio@fee00000 {
@@ -333,7 +333,7 @@
                         reg             = <0xfe82f080 0x4>;
                         reg-names       = "irqmux";
                         interrupts      = <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>;
-                        interrupts-names = "irqmux";
+                        interrupt-names = "irqmux";
                         ranges          = <0 0xfe820000 0x6000>;
 
                         PIO13: gpio@fe820000 {
@@ -461,7 +461,7 @@
                         reg             = <0xfd6bf080 0x4>;
                         reg-names       = "irqmux";
                         interrupts      = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>;
-                        interrupts-names = "irqmux";
+                        interrupt-names = "irqmux";
                         ranges          = <0 0xfd6b0000 0x3000>;
 
                         PIO100: gpio@fd6b0000 {
@@ -498,7 +498,7 @@
                         reg             = <0xfd33f080 0x4>;
                         reg-names       = "irqmux";
                         interrupts      = <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>;
-                        interrupts-names = "irqmux";
+                        interrupt-names = "irqmux";
                         ranges                  = <0 0xfd330000 0x5000>;
 
                         PIO103: gpio@fd330000 {
diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index cf45a1a39483..6d540a025148 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -233,19 +233,6 @@
                 status = "disabled";
         };
 
-        serial@0,70006400 {
-                compatible = "nvidia,tegra124-uart", "nvidia,tegra20-uart";
-                reg = <0x0 0x70006400 0x0 0x40>;
-                reg-shift = <2>;
-                interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
-                clocks = <&tegra_car TEGRA124_CLK_UARTE>;
-                resets = <&tegra_car 66>;
-                reset-names = "serial";
-                dmas = <&apbdma 20>, <&apbdma 20>;
-                dma-names = "rx", "tx";
-                status = "disabled";
-        };
-
         pwm@0,7000a000 {
                 compatible = "nvidia,tegra124-pwm", "nvidia,tegra20-pwm";
                 reg = <0x0 0x7000a000 0x0 0x100>;
diff --git a/arch/arm/boot/dts/vf610-twr.dts b/arch/arm/boot/dts/vf610-twr.dts
index 7dd1d6ede525..ded361075aab 100644
--- a/arch/arm/boot/dts/vf610-twr.dts
+++ b/arch/arm/boot/dts/vf610-twr.dts
@@ -25,11 +25,13 @@
         clocks {
                 audio_ext {
                         compatible = "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <24576000>;
                 };
 
                 enet_ext {
                         compatible = "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <50000000>;
                 };
         };
diff --git a/arch/arm/boot/dts/vf610.dtsi b/arch/arm/boot/dts/vf610.dtsi
index 804873367669..b8ce0aa7b157 100644
--- a/arch/arm/boot/dts/vf610.dtsi
+++ b/arch/arm/boot/dts/vf610.dtsi
@@ -45,11 +45,13 @@
 
                 sxosc {
                         compatible = "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <32768>;
                 };
 
                 fxosc {
                         compatible = "fixed-clock";
+                        #clock-cells = <0>;
                         clock-frequency = <24000000>;
                 };
         };
@@ -72,8 +74,6 @@
                         intc: interrupt-controller@40002000 {
                                 compatible = "arm,cortex-a9-gic";
                                 #interrupt-cells = <3>;
-                                #address-cells = <1>;
-                                #size-cells = <1>;
                                 interrupt-controller;
                                 reg = <0x40003000 0x1000>,
                                       <0x40002100 0x100>;
diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
index 511180769af5..c1176abc34d9 100644
--- a/arch/arm/boot/dts/zynq-7000.dtsi
+++ b/arch/arm/boot/dts/zynq-7000.dtsi
@@ -24,6 +24,7 @@
                         device_type = "cpu";
                         reg = <0>;
                         clocks = <&clkc 3>;
+                        clock-latency = <1000>;
                         operating-points = <
                                 /* kHz    uV */
                                 666667  1000000
@@ -54,6 +55,28 @@
                 interrupt-parent = <&intc>;
                 ranges;
 
+                i2c0: zynq-i2c@e0004000 {
+                        compatible = "cdns,i2c-r1p10";
+                        status = "disabled";
+                        clocks = <&clkc 38>;
+                        interrupt-parent = <&intc>;
+                        interrupts = <0 25 4>;
+                        reg = <0xe0004000 0x1000>;
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                };
+
+                i2c1: zynq-i2c@e0005000 {
+                        compatible = "cdns,i2c-r1p10";
+                        status = "disabled";
+                        clocks = <&clkc 39>;
+                        interrupt-parent = <&intc>;
+                        interrupts = <0 48 4>;
+                        reg = <0xe0005000 0x1000>;
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                };
+
                 intc: interrupt-controller@f8f01000 {
                         compatible = "arm,cortex-a9-gic";
                         #interrupt-cells = <3>;
diff --git a/arch/arm/boot/dts/zynq-zc702.dts b/arch/arm/boot/dts/zynq-zc702.dts
index c913f77a21eb..5e09cee33d42 100644
--- a/arch/arm/boot/dts/zynq-zc702.dts
+++ b/arch/arm/boot/dts/zynq-zc702.dts
@@ -34,6 +34,82 @@
         phy-mode = "rgmii";
 };
 
+&i2c0 {
+        status = "okay";
+        clock-frequency = <400000>;
+
+        i2cswitch@74 {
+                compatible = "nxp,pca9548";
+                #address-cells = <1>;
+                #size-cells = <0>;
+                reg = <0x74>;
+
+                i2c@0 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <0>;
+                        si570: clock-generator@5d {
+                                #clock-cells = <0>;
+                                compatible = "silabs,si570";
+                                temperature-stability = <50>;
+                                reg = <0x5d>;
+                                factory-fout = <156250000>;
+                                clock-frequency = <148500000>;
+                        };
+                };
+
+                i2c@2 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <2>;
+                        eeprom@54 {
+                                compatible = "at,24c08";
+                                reg = <0x54>;
+                        };
+                };
+
+                i2c@3 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <3>;
+                        gpio@21 {
+                                compatible = "ti,tca6416";
+                                reg = <0x21>;
+                                gpio-controller;
+                                #gpio-cells = <2>;
+                        };
+                };
+
+                i2c@4 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <4>;
+                        rtc@51 {
+                                compatible = "nxp,pcf8563";
+                                reg = <0x51>;
+                        };
+                };
+
+                i2c@7 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <7>;
+                        hwmon@52 {
+                                compatible = "ti,ucd9248";
+                                reg = <52>;
+                        };
+                        hwmon@53 {
+                                compatible = "ti,ucd9248";
+                                reg = <53>;
+                        };
+                        hwmon@54 {
+                                compatible = "ti,ucd9248";
+                                reg = <54>;
+                        };
+                };
+        };
+};
+
 &sdhci0 {
         status = "okay";
 };
diff --git a/arch/arm/boot/dts/zynq-zc706.dts b/arch/arm/boot/dts/zynq-zc706.dts
index 88f62c50382e..4cc9913078cd 100644
--- a/arch/arm/boot/dts/zynq-zc706.dts
+++ b/arch/arm/boot/dts/zynq-zc706.dts
@@ -35,6 +35,74 @@
         phy-mode = "rgmii";
 };
 
+&i2c0 {
+        status = "okay";
+        clock-frequency = <400000>;
+
+        i2cswitch@74 {
+                compatible = "nxp,pca9548";
+                #address-cells = <1>;
+                #size-cells = <0>;
+                reg = <0x74>;
+
+                i2c@0 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <0>;
+                        si570: clock-generator@5d {
+                                #clock-cells = <0>;
+                                compatible = "silabs,si570";
+                                temperature-stability = <50>;
+                                reg = <0x5d>;
+                                factory-fout = <156250000>;
+                                clock-frequency = <148500000>;
+                        };
+                };
+
+                i2c@2 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <2>;
+                        eeprom@54 {
+                                compatible = "at,24c08";
+                                reg = <0x54>;
+                        };
+                };
+
+                i2c@3 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <3>;
+                        gpio@21 {
+                                compatible = "ti,tca6416";
+                                reg = <0x21>;
+                                gpio-controller;
+                                #gpio-cells = <2>;
+                        };
+                };
+
+                i2c@4 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <4>;
+                        rtc@51 {
+                                compatible = "nxp,pcf8563";
+                                reg = <0x51>;
+                        };
+                };
+
+                i2c@7 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <7>;
+                        ucd90120@65 {
+                                compatible = "ti,ucd90120";
+                                reg = <0x65>;
+                        };
+                };
+        };
+};
+
 &sdhci0 {
         status = "okay";
 };
diff --git a/arch/arm/common/bL_switcher.c b/arch/arm/common/bL_switcher.c
index 5774b6ea7ad5..f01c0ee0c87e 100644
--- a/arch/arm/common/bL_switcher.c
+++ b/arch/arm/common/bL_switcher.c
@@ -797,10 +797,8 @@ static int __init bL_switcher_init(void)
 {
         int ret;
 
-        if (MAX_NR_CLUSTERS != 2) {
-                pr_err("%s: only dual cluster systems are supported\n", __func__);
-                return -EINVAL;
-        }
+        if (!mcpm_is_available())
+                return -ENODEV;
 
         cpu_notifier(bL_switcher_hotplug_callback, 0);
 
diff --git a/arch/arm/common/mcpm_entry.c b/arch/arm/common/mcpm_entry.c
index 1e361abc29eb..86fd60fefbc9 100644
--- a/arch/arm/common/mcpm_entry.c
+++ b/arch/arm/common/mcpm_entry.c
@@ -48,6 +48,11 @@ int __init mcpm_platform_register(const struct mcpm_platform_ops *ops)
         return 0;
 }
 
+bool mcpm_is_available(void)
+{
+        return (platform_ops) ? true : false;
+}
+
 int mcpm_cpu_power_up(unsigned int cpu, unsigned int cluster)
 {
         if (!platform_ops)
diff --git a/arch/arm/configs/bcm_defconfig b/arch/arm/configs/bcm_defconfig
index 01004640ee4d..3df3f3a79ef4 100644
--- a/arch/arm/configs/bcm_defconfig
+++ b/arch/arm/configs/bcm_defconfig
@@ -132,7 +132,7 @@ CONFIG_CRC_ITU_T=y
 CONFIG_CRC7=y
 CONFIG_XZ_DEC=y
 CONFIG_AVERAGE=y
-CONFIG_PINCTRL_CAPRI=y
+CONFIG_PINCTRL_BCM281XX=y
 CONFIG_WATCHDOG=y
 CONFIG_BCM_KONA_WDT=y
 CONFIG_BCM_KONA_WDT_DEBUG=y
diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
index 4ce7b70ea901..e07a227ec0db 100644
--- a/arch/arm/configs/exynos_defconfig
+++ b/arch/arm/configs/exynos_defconfig
@@ -65,6 +65,7 @@ CONFIG_TCG_TIS_I2C_INFINEON=y
 CONFIG_I2C=y
 CONFIG_I2C_MUX=y
 CONFIG_I2C_ARB_GPIO_CHALLENGE=y
+CONFIG_I2C_EXYNOS5=y
 CONFIG_I2C_S3C2410=y
 CONFIG_DEBUG_GPIO=y
 # CONFIG_HWMON is not set
diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig
index a9667957b757..a4e8d017f25b 100644
--- a/arch/arm/configs/omap2plus_defconfig
+++ b/arch/arm/configs/omap2plus_defconfig
@@ -226,7 +226,7 @@ CONFIG_USB_DWC3=m
 CONFIG_USB_TEST=y
 CONFIG_NOP_USB_XCEIV=y
 CONFIG_OMAP_USB2=y
-CONFIG_OMAP_USB3=y
+CONFIG_TI_PIPE3=y
 CONFIG_AM335X_PHY_USB=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_DEBUG=y
diff --git a/arch/arm/configs/u300_defconfig b/arch/arm/configs/u300_defconfig
index fd81a1b99cce..aaa95ab606a8 100644
--- a/arch/arm/configs/u300_defconfig
+++ b/arch/arm/configs/u300_defconfig
@@ -11,6 +11,7 @@ CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_LBDAF is not set
 # CONFIG_BLK_DEV_BSG is not set
+CONFIG_PARTITION_ADVANCED=y
 # CONFIG_IOSCHED_CFQ is not set
 # CONFIG_ARCH_MULTI_V7 is not set
 CONFIG_ARCH_U300=y
@@ -21,7 +22,6 @@ CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_CMDLINE="root=/dev/ram0 rw rootfstype=rootfs console=ttyAMA0,115200n8 lpj=515072"
 CONFIG_CPU_IDLE=y
-CONFIG_FPE_NWFPE=y
 # CONFIG_SUSPEND is not set
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 # CONFIG_PREVENT_FIRMWARE_BUILD is not set
@@ -64,8 +64,8 @@ CONFIG_TMPFS=y
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_ISO8859_1=y
 CONFIG_PRINTK_TIME=y
+CONFIG_DEBUG_INFO=y
 CONFIG_DEBUG_FS=y
 # CONFIG_SCHED_DEBUG is not set
 CONFIG_TIMER_STATS=y
 # CONFIG_DEBUG_PREEMPT is not set
-CONFIG_DEBUG_INFO=y
diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig
index 65f77885c167..d219d6a43238 100644
--- a/arch/arm/configs/u8500_defconfig
+++ b/arch/arm/configs/u8500_defconfig
@@ -1,16 +1,16 @@
 # CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
-CONFIG_NO_HZ=y
+CONFIG_NO_HZ_IDLE=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
+CONFIG_PARTITION_ADVANCED=y
 CONFIG_ARCH_U8500=y
 CONFIG_MACH_HREFV60=y
 CONFIG_MACH_SNOWBALL=y
-CONFIG_MACH_UX500_DT=y
 CONFIG_SMP=y
 CONFIG_NR_CPUS=2
 CONFIG_PREEMPT=y
@@ -34,16 +34,22 @@ CONFIG_IP_PNP=y
 CONFIG_IP_PNP_DHCP=y
 CONFIG_NETFILTER=y
 CONFIG_PHONET=y
-# CONFIG_WIRELESS is not set
+CONFIG_CFG80211=y
+CONFIG_CFG80211_DEBUGFS=y
+CONFIG_MAC80211=y
+CONFIG_MAC80211_LEDS=y
 CONFIG_CAIF=y
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=65536
 CONFIG_SENSORS_BH1780=y
 CONFIG_NETDEVICES=y
 CONFIG_SMSC911X=y
 CONFIG_SMSC_PHY=y
-# CONFIG_WLAN is not set
+CONFIG_CW1200=y
+CONFIG_CW1200_WLAN_SDIO=y
 # CONFIG_INPUT_MOUSEDEV_PSAUX is not set
 CONFIG_INPUT_EVDEV=y
 # CONFIG_KEYBOARD_ATKBD is not set
@@ -85,15 +91,12 @@ CONFIG_AB8500_USB=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_ETH=m
 CONFIG_MMC=y
-CONFIG_MMC_UNSAFE_RESUME=y
-# CONFIG_MMC_BLOCK_BOUNCE is not set
 CONFIG_MMC_ARMMMCI=y
 CONFIG_NEW_LEDS=y
 CONFIG_LEDS_CLASS=y
 CONFIG_LEDS_LM3530=y
 CONFIG_LEDS_GPIO=y
 CONFIG_LEDS_LP5521=y
-CONFIG_LEDS_TRIGGERS=y
 CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_AB8500=y
@@ -103,6 +106,11 @@ CONFIG_STE_DMA40=y
 CONFIG_STAGING=y
 CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4=y
 CONFIG_HSEM_U8500=y
+CONFIG_IIO=y
+CONFIG_IIO_ST_ACCEL_3AXIS=y
+CONFIG_IIO_ST_GYRO_3AXIS=y
+CONFIG_IIO_ST_MAGN_3AXIS=y
+CONFIG_IIO_ST_PRESS=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT2_FS_XATTR=y
 CONFIG_EXT2_FS_POSIX_ACL=y
@@ -110,8 +118,6 @@ CONFIG_EXT2_FS_SECURITY=y
 CONFIG_EXT3_FS=y
 CONFIG_EXT4_FS=y
 CONFIG_VFAT_FS=y
-CONFIG_DEVTMPFS=y
-CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TMPFS=y
 CONFIG_TMPFS_POSIX_ACL=y
 # CONFIG_MISC_FILESYSTEMS is not set
diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h
index c651e3b26ec7..4764344367d4 100644
--- a/arch/arm/include/asm/cputype.h
+++ b/arch/arm/include/asm/cputype.h
@@ -222,22 +222,22 @@ static inline int cpu_is_xsc3(void)
 #endif
 
 /*
- * Marvell's PJ4 core is based on V7 version. It has some modification
- * for coprocessor setting. For this reason, we need a way to distinguish
- * it.
+ * Marvell's PJ4 and PJ4B cores are based on V7 version,
+ * but require a specical sequence for enabling coprocessors.
+ * For this reason, we need a way to distinguish them.
  */
-#ifndef CONFIG_CPU_PJ4
-#define cpu_is_pj4()    0
-#else
+#if defined(CONFIG_CPU_PJ4) || defined(CONFIG_CPU_PJ4B)
 static inline int cpu_is_pj4(void)
 {
         unsigned int id;
 
         id = read_cpuid_id();
-        if ((id & 0xfffffff0) == 0x562f5840)
+        if ((id & 0xff0fff00) == 0x560f5800)
                 return 1;
 
         return 0;
 }
+#else
+#define cpu_is_pj4()    0
 #endif
 #endif
diff --git a/arch/arm/include/asm/div64.h b/arch/arm/include/asm/div64.h
index 191ada6e4d2d..662c7bd06108 100644
--- a/arch/arm/include/asm/div64.h
+++ b/arch/arm/include/asm/div64.h
@@ -156,7 +156,7 @@
                 /* Select the best insn combination to perform the   */ \
                 /* actual __m * __n / (__p << 64) operation.         */ \
                 if (!__c) {                                             \
-                        asm (   "umull  %Q0, %R0, %1, %Q2\n\t"          \
+                        asm (   "umull  %Q0, %R0, %Q1, %Q2\n\t"         \
                                 "mov    %Q0, #0"                        \
                                 : "=&r" (__res)                         \
                                 : "r" (__m), "r" (__n)                  \
diff --git a/arch/arm/include/asm/mcpm.h b/arch/arm/include/asm/mcpm.h
index 608516ebabfe..a5ff410dcdb6 100644
--- a/arch/arm/include/asm/mcpm.h
+++ b/arch/arm/include/asm/mcpm.h
@@ -54,6 +54,13 @@ void mcpm_set_early_poke(unsigned cpu, unsigned cluster,
  */
 
 /**
+ * mcpm_is_available - returns whether MCPM is initialized and available
+ *
+ * This returns true or false accordingly.
+ */
+bool mcpm_is_available(void);
+
+/**
  * mcpm_cpu_power_up - make given CPU in given cluster runable
  *
  * @cpu: CPU number within given cluster
diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h
index 0baf7f0d9394..f1a0dace3efe 100644
--- a/arch/arm/include/asm/tlb.h
+++ b/arch/arm/include/asm/tlb.h
@@ -98,15 +98,25 @@ static inline void __tlb_alloc_page(struct mmu_gather *tlb)
         }
 }
 
-static inline void tlb_flush_mmu(struct mmu_gather *tlb)
+static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
 {
         tlb_flush(tlb);
+}
+
+static inline void tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
         free_pages_and_swap_cache(tlb->pages, tlb->nr);
         tlb->nr = 0;
         if (tlb->pages == tlb->local)
                 __tlb_alloc_page(tlb);
 }
 
+static inline void tlb_flush_mmu(struct mmu_gather *tlb)
+{
+        tlb_flush_mmu_tlbonly(tlb);
+        tlb_flush_mmu_free(tlb);
+}
+
 static inline void
 tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end)
 {
diff --git a/arch/arm/include/debug/s3c24xx.S b/arch/arm/include/debug/s3c24xx.S
new file mode 100644
index 000000000000..b1f54dc4888c
--- /dev/null
+++ b/arch/arm/include/debug/s3c24xx.S
@@ -0,0 +1,46 @@
+/* arch/arm/mach-s3c2410/include/mach/debug-macro.S
+ *
+ * Debugging macro include header
+ *
+ *  Copyright (C) 1994-1999 Russell King
+ *  Copyright (C) 2005 Simtec Electronics
+ *
+ *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/serial_s3c.h>
+
+#define S3C2410_UART1_OFF (0x4000)
+
+        .macro addruart, rp, rv, tmp
+                ldr     \rp, = CONFIG_DEBUG_UART_PHYS
+                ldr     \rv, = CONFIG_DEBUG_UART_VIRT
+        .endm
+
+        .macro  fifo_full_s3c2410 rd, rx
+                ldr     \rd, [\rx, # S3C2410_UFSTAT]
+                tst     \rd, #S3C2410_UFSTAT_TXFULL
+        .endm
+
+        .macro fifo_level_s3c2410 rd, rx
+                ldr     \rd, [\rx, # S3C2410_UFSTAT]
+                and     \rd, \rd, #S3C2410_UFSTAT_TXMASK
+        .endm
+
+/* Select the correct implementation depending on the configuration. The
+ * S3C2440 will get selected by default, as these are the most widely
+ * used variants of these
+*/
+
+#if defined(CONFIG_DEBUG_S3C2410_UART)
+#define fifo_full  fifo_full_s3c2410
+#define fifo_level fifo_level_s3c2410
+#endif
+
+/* include the reset of the code which will do the work */
+
+#include <debug/samsung.S>
diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h
index fb5584d0cc05..ba94446c72d9 100644
--- a/arch/arm/include/uapi/asm/unistd.h
+++ b/arch/arm/include/uapi/asm/unistd.h
@@ -408,6 +408,7 @@
 #define __NR_finit_module               (__NR_SYSCALL_BASE+379)
 #define __NR_sched_setattr              (__NR_SYSCALL_BASE+380)
 #define __NR_sched_getattr              (__NR_SYSCALL_BASE+381)
+#define __NR_renameat2                  (__NR_SYSCALL_BASE+382)
 
 /*
  * This may need to be greater than __NR_last_syscall+1 in order to
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index a766bcbaf8ad..040619c32d68 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -79,6 +79,7 @@ obj-$(CONFIG_CPU_XSCALE)	+= xscale-cp0.o
 obj-$(CONFIG_CPU_XSC3)          += xscale-cp0.o
 obj-$(CONFIG_CPU_MOHAWK)        += xscale-cp0.o
 obj-$(CONFIG_CPU_PJ4)           += pj4-cp0.o
+obj-$(CONFIG_CPU_PJ4B)          += pj4-cp0.o
 obj-$(CONFIG_IWMMXT)            += iwmmxt.o
 obj-$(CONFIG_PERF_EVENTS)       += perf_regs.o
 obj-$(CONFIG_HW_PERF_EVENTS)    += perf_event.o perf_event_cpu.o
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 166e945de832..8f51bdcdacbb 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -391,6 +391,7 @@
                 CALL(sys_finit_module)
 /* 380 */       CALL(sys_sched_setattr)
                 CALL(sys_sched_getattr)
+                CALL(sys_renameat2)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index f8c08839edf3..591d6e4a6492 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -587,7 +587,7 @@ __fixup_pv_table:
         add     r6, r6, r3      @ adjust __pv_phys_pfn_offset address
         add     r7, r7, r3      @ adjust __pv_offset address
         mov     r0, r8, lsr #12 @ convert to PFN
-        str     r0, [r6, #LOW_OFFSET]   @ save computed PHYS_OFFSET to __pv_phys_pfn_offset
+        str     r0, [r6]        @ save computed PHYS_OFFSET to __pv_phys_pfn_offset
         strcc   ip, [r7, #HIGH_OFFSET]  @ save to __pv_offset high bits
         mov     r6, r3, lsr #24 @ constant for add/sub instructions
         teq     r3, r6, lsl #24 @ must be 16MiB aligned
diff --git a/arch/arm/kernel/iwmmxt.S b/arch/arm/kernel/iwmmxt.S
index a08783823b32..2452dd1bef53 100644
--- a/arch/arm/kernel/iwmmxt.S
+++ b/arch/arm/kernel/iwmmxt.S
@@ -19,12 +19,16 @@
 #include <asm/thread_info.h>
 #include <asm/asm-offsets.h>
 
-#if defined(CONFIG_CPU_PJ4)
+#if defined(CONFIG_CPU_PJ4) || defined(CONFIG_CPU_PJ4B)
 #define PJ4(code...)            code
 #define XSC(code...)
-#else
+#elif defined(CONFIG_CPU_MOHAWK) || \
+        defined(CONFIG_CPU_XSC3) || \
+        defined(CONFIG_CPU_XSCALE)
 #define PJ4(code...)
 #define XSC(code...)            code
+#else
+#error "Unsupported iWMMXt architecture"
 #endif
 
 #define MMX_WR0                 (0x00)
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index f0d180d8b29f..8cf0996aa1a8 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -184,3 +184,10 @@ void machine_kexec(struct kimage *image)
 
         soft_restart(reboot_entry_phys);
 }
+
+void arch_crash_save_vmcoreinfo(void)
+{
+#ifdef CONFIG_ARM_LPAE
+        VMCOREINFO_CONFIG(ARM_LPAE);
+#endif
+}
diff --git a/arch/arm/kernel/pj4-cp0.c b/arch/arm/kernel/pj4-cp0.c
index fc7208636284..8153e36b2491 100644
--- a/arch/arm/kernel/pj4-cp0.c
+++ b/arch/arm/kernel/pj4-cp0.c
@@ -45,7 +45,7 @@ static int iwmmxt_do(struct notifier_block *self, unsigned long cmd, void *t)
         return NOTIFY_DONE;
 }
 
-static struct notifier_block iwmmxt_notifier_block = {
+static struct notifier_block __maybe_unused iwmmxt_notifier_block = {
         .notifier_call  = iwmmxt_do,
 };
 
@@ -72,6 +72,33 @@ static void __init pj4_cp_access_write(u32 value)
                 : "=r" (temp) : "r" (value));
 }
 
+static int __init pj4_get_iwmmxt_version(void)
+{
+        u32 cp_access, wcid;
+
+        cp_access = pj4_cp_access_read();
+        pj4_cp_access_write(cp_access | 0xf);
+
+        /* check if coprocessor 0 and 1 are available */
+        if ((pj4_cp_access_read() & 0xf) != 0xf) {
+                pj4_cp_access_write(cp_access);
+                return -ENODEV;
+        }
+
+        /* read iWMMXt coprocessor id register p1, c0 */
+        __asm__ __volatile__ ("mrc    p1, 0, %0, c0, c0, 0\n" : "=r" (wcid));
+
+        pj4_cp_access_write(cp_access);
+
+        /* iWMMXt v1 */
+        if ((wcid & 0xffffff00) == 0x56051000)
+                return 1;
+        /* iWMMXt v2 */
+        if ((wcid & 0xffffff00) == 0x56052000)
+                return 2;
+
+        return -EINVAL;
+}
 
 /*
  * Disable CP0/CP1 on boot, and let call_fpe() and the iWMMXt lazy
@@ -79,17 +106,26 @@ static void __init pj4_cp_access_write(u32 value)
  */
 static int __init pj4_cp0_init(void)
 {
-        u32 cp_access;
+        u32 __maybe_unused cp_access;
+        int vers;
 
         if (!cpu_is_pj4())
                 return 0;
 
+        vers = pj4_get_iwmmxt_version();
+        if (vers < 0)
+                return 0;
+
+#ifndef CONFIG_IWMMXT
+        pr_info("PJ4 iWMMXt coprocessor detected, but kernel support is missing.\n");
+#else
         cp_access = pj4_cp_access_read() & ~0xf;
         pj4_cp_access_write(cp_access);
 
-        printk(KERN_INFO "PJ4 iWMMXt coprocessor enabled.\n");
+        pr_info("PJ4 iWMMXt v%d coprocessor enabled.\n", vers);
         elf_hwcap |= HWCAP_IWMMXT;
         thread_register_notifier(&iwmmxt_notifier_block);
+#endif
 
         return 0;
 }
diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c
index 702bd329d9d0..e90a3148f385 100644
--- a/arch/arm/kernel/sys_oabi-compat.c
+++ b/arch/arm/kernel/sys_oabi-compat.c
@@ -203,9 +203,9 @@ asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd,
         int ret;
 
         switch (cmd) {
-        case F_GETLKP:
-        case F_SETLKP:
-        case F_SETLKPW:
+        case F_OFD_GETLK:
+        case F_OFD_SETLK:
+        case F_OFD_SETLKW:
         case F_GETLK64:
         case F_SETLK64:
         case F_SETLKW64:
diff --git a/arch/arm/kvm/Kconfig b/arch/arm/kvm/Kconfig
index 466bd299b1a8..4be5bb150bdd 100644
--- a/arch/arm/kvm/Kconfig
+++ b/arch/arm/kvm/Kconfig
@@ -23,7 +23,7 @@ config KVM
         select HAVE_KVM_CPU_RELAX_INTERCEPT
         select KVM_MMIO
         select KVM_ARM_HOST
-        depends on ARM_VIRT_EXT && ARM_LPAE
+        depends on ARM_VIRT_EXT && ARM_LPAE && !CPU_BIG_ENDIAN
         ---help---
           Support hosting virtualized guest machines. You will also
           need to select one or more of the processor modules below.
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 80bb1e6c2c29..16f804938b8f 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -42,6 +42,8 @@ static unsigned long hyp_idmap_start;
 static unsigned long hyp_idmap_end;
 static phys_addr_t hyp_idmap_vector;
 
+#define pgd_order get_order(PTRS_PER_PGD * sizeof(pgd_t))
+
 #define kvm_pmd_huge(_x)        (pmd_huge(_x) || pmd_trans_huge(_x))
 
 static void kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa)
@@ -293,14 +295,14 @@ void free_boot_hyp_pgd(void)
         if (boot_hyp_pgd) {
                 unmap_range(NULL, boot_hyp_pgd, hyp_idmap_start, PAGE_SIZE);
                 unmap_range(NULL, boot_hyp_pgd, TRAMPOLINE_VA, PAGE_SIZE);
-                kfree(boot_hyp_pgd);
+                free_pages((unsigned long)boot_hyp_pgd, pgd_order);
                 boot_hyp_pgd = NULL;
         }
 
         if (hyp_pgd)
                 unmap_range(NULL, hyp_pgd, TRAMPOLINE_VA, PAGE_SIZE);
 
-        kfree(init_bounce_page);
+        free_page((unsigned long)init_bounce_page);
         init_bounce_page = NULL;
 
         mutex_unlock(&kvm_hyp_pgd_mutex);
@@ -330,7 +332,7 @@ void free_hyp_pgds(void)
                 for (addr = VMALLOC_START; is_vmalloc_addr((void*)addr); addr += PGDIR_SIZE)
                         unmap_range(NULL, hyp_pgd, KERN_TO_HYP(addr), PGDIR_SIZE);
 
-                kfree(hyp_pgd);
+                free_pages((unsigned long)hyp_pgd, pgd_order);
                 hyp_pgd = NULL;
         }
 
@@ -1024,7 +1026,7 @@ int kvm_mmu_init(void)
                 size_t len = __hyp_idmap_text_end - __hyp_idmap_text_start;
                 phys_addr_t phys_base;
 
-                init_bounce_page = kmalloc(PAGE_SIZE, GFP_KERNEL);
+                init_bounce_page = (void *)__get_free_page(GFP_KERNEL);
                 if (!init_bounce_page) {
                         kvm_err("Couldn't allocate HYP init bounce page\n");
                         err = -ENOMEM;
@@ -1050,8 +1052,9 @@ int kvm_mmu_init(void)
                          (unsigned long)phys_base);
         }
 
-        hyp_pgd = kzalloc(PTRS_PER_PGD * sizeof(pgd_t), GFP_KERNEL);
-        boot_hyp_pgd = kzalloc(PTRS_PER_PGD * sizeof(pgd_t), GFP_KERNEL);
+        hyp_pgd = (pgd_t *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, pgd_order);
+        boot_hyp_pgd = (pgd_t *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, pgd_order);
+
         if (!hyp_pgd || !boot_hyp_pgd) {
                 kvm_err("Hyp mode PGD not allocated\n");
                 err = -ENOMEM;
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index 8b1b0a870025..a0282928e9c1 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -1296,7 +1296,7 @@ static struct resource adc_resources[] = {
 };
 
 static struct platform_device at91_adc_device = {
-        .name           = "at91_adc",
+        .name           = "at91sam9260-adc",
         .id             = -1,
         .dev            = {
                                 .platform_data          = &adc_data,
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index 77b04c2edd78..dab362c06487 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -1204,7 +1204,7 @@ static struct resource adc_resources[] = {
 };
 
 static struct platform_device at91_adc_device = {
-        .name           = "at91_adc",
+        .name           = "at91sam9g45-adc",
         .id             = -1,
         .dev            = {
                                 .platform_data  = &adc_data,
diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
index a656dbe3b78c..f6dcc256db56 100644
--- a/arch/arm/mach-exynos/Makefile
+++ b/arch/arm/mach-exynos/Makefile
@@ -12,20 +12,15 @@ obj-				:=
 
 # Core
 
-obj-$(CONFIG_ARCH_EXYNOS)       += exynos.o
+obj-$(CONFIG_ARCH_EXYNOS)       += exynos.o pmu.o exynos-smc.o firmware.o
 
 obj-$(CONFIG_PM_SLEEP)          += pm.o sleep.o
 obj-$(CONFIG_PM_GENERIC_DOMAINS) += pm_domains.o
 obj-$(CONFIG_CPU_IDLE)          += cpuidle.o
 
-obj-$(CONFIG_ARCH_EXYNOS)       += pmu.o
-
 obj-$(CONFIG_SMP)               += platsmp.o headsmp.o
 
 obj-$(CONFIG_HOTPLUG_CPU)       += hotplug.o
 
-obj-$(CONFIG_ARCH_EXYNOS)       += exynos-smc.o
-obj-$(CONFIG_ARCH_EXYNOS)       += firmware.o
-
 plus_sec := $(call as-instr,.arch_extension sec,+sec)
 AFLAGS_exynos-smc.o             :=-Wa,-march=armv7-a$(plus_sec)
diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h
index 9ef3f83efaff..c1a2f2207af0 100644
--- a/arch/arm/mach-exynos/common.h
+++ b/arch/arm/mach-exynos/common.h
@@ -15,6 +15,75 @@
 #include <linux/reboot.h>
 #include <linux/of.h>
 
+#define EXYNOS4210_CPU_ID       0x43210000
+#define EXYNOS4212_CPU_ID       0x43220000
+#define EXYNOS4412_CPU_ID       0xE4412200
+#define EXYNOS4_CPU_MASK        0xFFFE0000
+
+#define EXYNOS5250_SOC_ID       0x43520000
+#define EXYNOS5420_SOC_ID       0xE5420000
+#define EXYNOS5440_SOC_ID       0xE5440000
+#define EXYNOS5_SOC_MASK        0xFFFFF000
+
+extern unsigned long samsung_cpu_id;
+
+#define IS_SAMSUNG_CPU(name, id, mask)          \
+static inline int is_samsung_##name(void)       \
+{                                               \
+        return ((samsung_cpu_id & mask) == (id & mask));        \
+}
+
+IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
+IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK)
+IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
+IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
+IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK)
+IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK)
+
+#if defined(CONFIG_CPU_EXYNOS4210)
+# define soc_is_exynos4210()    is_samsung_exynos4210()
+#else
+# define soc_is_exynos4210()    0
+#endif
+
+#if defined(CONFIG_SOC_EXYNOS4212)
+# define soc_is_exynos4212()    is_samsung_exynos4212()
+#else
+# define soc_is_exynos4212()    0
+#endif
+
+#if defined(CONFIG_SOC_EXYNOS4412)
+# define soc_is_exynos4412()    is_samsung_exynos4412()
+#else
+# define soc_is_exynos4412()    0
+#endif
+
+#define EXYNOS4210_REV_0        (0x0)
+#define EXYNOS4210_REV_1_0      (0x10)
+#define EXYNOS4210_REV_1_1      (0x11)
+
+#if defined(CONFIG_SOC_EXYNOS5250)
+# define soc_is_exynos5250()    is_samsung_exynos5250()
+#else
+# define soc_is_exynos5250()    0
+#endif
+
+#if defined(CONFIG_SOC_EXYNOS5420)
+# define soc_is_exynos5420()    is_samsung_exynos5420()
+#else
+# define soc_is_exynos5420()    0
+#endif
+
+#if defined(CONFIG_SOC_EXYNOS5440)
+# define soc_is_exynos5440()    is_samsung_exynos5440()
+#else
+# define soc_is_exynos5440()    0
+#endif
+
+#define soc_is_exynos4() (soc_is_exynos4210() || soc_is_exynos4212() || \
+                          soc_is_exynos4412())
+#define soc_is_exynos5() (soc_is_exynos5250() || soc_is_exynos5420())
+
 void mct_init(void __iomem *base, int irq_g0, int irq_l0, int irq_l1);
 
 struct map_desc;
@@ -63,4 +132,7 @@ struct exynos_pmu_conf {
 
 extern void exynos_sys_powerdown_conf(enum sys_powerdown mode);
 
+extern void s5p_init_cpu(void __iomem *cpuid_addr);
+extern unsigned int samsung_rev(void);
+
 #endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */
diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c
index c57cae0e8779..3dd385ebf195 100644
--- a/arch/arm/mach-exynos/cpuidle.c
+++ b/arch/arm/mach-exynos/cpuidle.c
@@ -24,7 +24,6 @@
 #include <asm/unified.h>
 #include <asm/cpuidle.h>
 
-#include <plat/cpu.h>
 #include <plat/pm.h>
 
 #include <mach/map.h>
diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
index b32a907d021d..59aab756702e 100644
--- a/arch/arm/mach-exynos/exynos.c
+++ b/arch/arm/mach-exynos/exynos.c
@@ -26,8 +26,6 @@
 #include <asm/mach/map.h>
 #include <asm/memory.h>
 
-#include <plat/cpu.h>
-
 #include "common.h"
 #include "mfc.h"
 #include "regs-pmu.h"
@@ -308,17 +306,6 @@ void __init exynos_init_io(void)
         exynos_map_io();
 }
 
-struct bus_type exynos_subsys = {
-        .name           = "exynos-core",
-        .dev_name       = "exynos-core",
-};
-
-static int __init exynos_core_init(void)
-{
-        return subsys_system_register(&exynos_subsys, NULL);
-}
-core_initcall(exynos_core_init);
-
 static int __init exynos4_l2x0_cache_init(void)
 {
         int ret;
diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c
index 932129ef26c6..f6cb510aee85 100644
--- a/arch/arm/mach-exynos/firmware.c
+++ b/arch/arm/mach-exynos/firmware.c
@@ -18,6 +18,7 @@
 
 #include <mach/map.h>
 
+#include "common.h"
 #include "smc.h"
 
 static int exynos_do_idle(void)
@@ -28,13 +29,24 @@ static int exynos_do_idle(void)
 
 static int exynos_cpu_boot(int cpu)
 {
+        /*
+         * The second parameter of SMC_CMD_CPU1BOOT command means CPU id.
+         * But, Exynos4212 has only one secondary CPU so second parameter
+         * isn't used for informing secure firmware about CPU id.
+         */
+        if (soc_is_exynos4212())
+                cpu = 0;
+
         exynos_smc(SMC_CMD_CPU1BOOT, cpu, 0, 0);
         return 0;
 }
 
 static int exynos_set_cpu_boot_addr(int cpu, unsigned long boot_addr)
 {
-        void __iomem *boot_reg = S5P_VA_SYSRAM_NS + 0x1c + 4*cpu;
+        void __iomem *boot_reg = S5P_VA_SYSRAM_NS + 0x1c;
+
+        if (!soc_is_exynos4212())
+                boot_reg += 4*cpu;
 
         __raw_writel(boot_addr, boot_reg);
         return 0;
diff --git a/arch/arm/mach-exynos/hotplug.c b/arch/arm/mach-exynos/hotplug.c
index 5eead530c6f8..3cab3f506689 100644
--- a/arch/arm/mach-exynos/hotplug.c
+++ b/arch/arm/mach-exynos/hotplug.c
@@ -19,61 +19,9 @@
 #include <asm/cp15.h>
 #include <asm/smp_plat.h>
 
-#include <plat/cpu.h>
-
 #include "common.h"
 #include "regs-pmu.h"
 
-static inline void cpu_enter_lowpower_a9(void)
-{
-        unsigned int v;
-
-        asm volatile(
-        "       mcr     p15, 0, %1, c7, c5, 0\n"
-        "       mcr     p15, 0, %1, c7, c10, 4\n"
-        /*
-         * Turn off coherency
-         */
-        "       mrc     p15, 0, %0, c1, c0, 1\n"
-        "       bic     %0, %0, %3\n"
-        "       mcr     p15, 0, %0, c1, c0, 1\n"
-        "       mrc     p15, 0, %0, c1, c0, 0\n"
-        "       bic     %0, %0, %2\n"
-        "       mcr     p15, 0, %0, c1, c0, 0\n"
-          : "=&r" (v)
-          : "r" (0), "Ir" (CR_C), "Ir" (0x40)
-          : "cc");
-}
-
-static inline void cpu_enter_lowpower_a15(void)
-{
-        unsigned int v;
-
-        asm volatile(
-        "       mrc     p15, 0, %0, c1, c0, 0\n"
-        "       bic     %0, %0, %1\n"
-        "       mcr     p15, 0, %0, c1, c0, 0\n"
-          : "=&r" (v)
-          : "Ir" (CR_C)
-          : "cc");
-
-        flush_cache_louis();
-
-        asm volatile(
-        /*
-        * Turn off coherency
-        */
-        "       mrc     p15, 0, %0, c1, c0, 1\n"
-        "       bic     %0, %0, %1\n"
-        "       mcr     p15, 0, %0, c1, c0, 1\n"
-        : "=&r" (v)
-        : "Ir" (0x40)
-        : "cc");
-
-        isb();
-        dsb();
-}
-
 static inline void cpu_leave_lowpower(void)
 {
         unsigned int v;
@@ -132,19 +80,8 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
 void __ref exynos_cpu_die(unsigned int cpu)
 {
         int spurious = 0;
-        int primary_part = 0;
 
-        /*
-         * we're ready for shutdown now, so do it.
-         * Exynos4 is A9 based while Exynos5 is A15; check the CPU part
-         * number by reading the Main ID register and then perform the
-         * appropriate sequence for entering low power.
-         */
-        asm("mrc p15, 0, %0, c0, c0, 0" : "=r"(primary_part) : : "cc");
-        if ((primary_part & 0xfff0) == 0xc0f0)
-                cpu_enter_lowpower_a15();
-        else
-                cpu_enter_lowpower_a9();
+        v7_exit_coherency_flush(louis);
 
         platform_do_lowpower(cpu, &spurious);
 
diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
index 03e5e9f94705..c28cdb1c82cd 100644
--- a/arch/arm/mach-exynos/platsmp.c
+++ b/arch/arm/mach-exynos/platsmp.c
@@ -26,8 +26,6 @@
 #include <asm/smp_scu.h>
 #include <asm/firmware.h>
 
-#include <plat/cpu.h>
-
 #include "common.h"
 #include "regs-pmu.h"
 
diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
index 15af0ceb0a66..ca672e24b5cd 100644
--- a/arch/arm/mach-exynos/pm.c
+++ b/arch/arm/mach-exynos/pm.c
@@ -26,7 +26,6 @@
 #include <asm/smp_scu.h>
 #include <asm/suspend.h>
 
-#include <plat/cpu.h>
 #include <plat/pm-common.h>
 #include <plat/pll.h>
 #include <plat/regs-srom.h>
diff --git a/arch/arm/mach-exynos/pmu.c b/arch/arm/mach-exynos/pmu.c
index 05c7ce15322a..fb0deda3b3a4 100644
--- a/arch/arm/mach-exynos/pmu.c
+++ b/arch/arm/mach-exynos/pmu.c
@@ -13,8 +13,6 @@
 #include <linux/kernel.h>
 #include <linux/bug.h>
 
-#include <plat/cpu.h>
-
 #include "common.h"
 #include "regs-pmu.h"
 
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index b0e7f9d2c245..2b4d6acfa34a 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -208,8 +208,8 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
          * the "output_enable" bit as a gate, even though it's really just
          * enabling clock output.
          */
-        clk[lvds1_gate] = imx_clk_gate("lvds1_gate", "dummy", base + 0x160, 10);
-        clk[lvds2_gate] = imx_clk_gate("lvds2_gate", "dummy", base + 0x160, 11);
+        clk[lvds1_gate] = imx_clk_gate("lvds1_gate", "lvds1_sel", base + 0x160, 10);
+        clk[lvds2_gate] = imx_clk_gate("lvds2_gate", "lvds2_sel", base + 0x160, 11);
 
         /*                                name              parent_name        reg       idx */
         clk[pll2_pfd0_352m] = imx_clk_pfd("pll2_pfd0_352m", "pll2_bus",     base + 0x100, 0);
@@ -258,14 +258,14 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
         clk[ipu2_sel]         = imx_clk_mux("ipu2_sel",         base + 0x3c, 14, 2, ipu_sels,          ARRAY_SIZE(ipu_sels));
         clk[ldb_di0_sel]      = imx_clk_mux_flags("ldb_di0_sel", base + 0x2c, 9,  3, ldb_di_sels,      ARRAY_SIZE(ldb_di_sels), CLK_SET_RATE_PARENT);
         clk[ldb_di1_sel]      = imx_clk_mux_flags("ldb_di1_sel", base + 0x2c, 12, 3, ldb_di_sels,      ARRAY_SIZE(ldb_di_sels), CLK_SET_RATE_PARENT);
-        clk[ipu1_di0_pre_sel] = imx_clk_mux("ipu1_di0_pre_sel", base + 0x34, 6,  3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels));
-        clk[ipu1_di1_pre_sel] = imx_clk_mux("ipu1_di1_pre_sel", base + 0x34, 15, 3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels));
-        clk[ipu2_di0_pre_sel] = imx_clk_mux("ipu2_di0_pre_sel", base + 0x38, 6,  3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels));
-        clk[ipu2_di1_pre_sel] = imx_clk_mux("ipu2_di1_pre_sel", base + 0x38, 15, 3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels));
-        clk[ipu1_di0_sel]     = imx_clk_mux("ipu1_di0_sel",     base + 0x34, 0,  3, ipu1_di0_sels,     ARRAY_SIZE(ipu1_di0_sels));
-        clk[ipu1_di1_sel]     = imx_clk_mux("ipu1_di1_sel",     base + 0x34, 9,  3, ipu1_di1_sels,     ARRAY_SIZE(ipu1_di1_sels));
-        clk[ipu2_di0_sel]     = imx_clk_mux("ipu2_di0_sel",     base + 0x38, 0,  3, ipu2_di0_sels,     ARRAY_SIZE(ipu2_di0_sels));
-        clk[ipu2_di1_sel]     = imx_clk_mux("ipu2_di1_sel",     base + 0x38, 9,  3, ipu2_di1_sels,     ARRAY_SIZE(ipu2_di1_sels));
+        clk[ipu1_di0_pre_sel] = imx_clk_mux_flags("ipu1_di0_pre_sel", base + 0x34, 6,  3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT);
+        clk[ipu1_di1_pre_sel] = imx_clk_mux_flags("ipu1_di1_pre_sel", base + 0x34, 15, 3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT);
+        clk[ipu2_di0_pre_sel] = imx_clk_mux_flags("ipu2_di0_pre_sel", base + 0x38, 6,  3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT);
+        clk[ipu2_di1_pre_sel] = imx_clk_mux_flags("ipu2_di1_pre_sel", base + 0x38, 15, 3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT);
+        clk[ipu1_di0_sel]     = imx_clk_mux_flags("ipu1_di0_sel",     base + 0x34, 0,  3, ipu1_di0_sels,     ARRAY_SIZE(ipu1_di0_sels), CLK_SET_RATE_PARENT);
+        clk[ipu1_di1_sel]     = imx_clk_mux_flags("ipu1_di1_sel",     base + 0x34, 9,  3, ipu1_di1_sels,     ARRAY_SIZE(ipu1_di1_sels), CLK_SET_RATE_PARENT);
+        clk[ipu2_di0_sel]     = imx_clk_mux_flags("ipu2_di0_sel",     base + 0x38, 0,  3, ipu2_di0_sels,     ARRAY_SIZE(ipu2_di0_sels), CLK_SET_RATE_PARENT);
+        clk[ipu2_di1_sel]     = imx_clk_mux_flags("ipu2_di1_sel",     base + 0x38, 9,  3, ipu2_di1_sels,     ARRAY_SIZE(ipu2_di1_sels), CLK_SET_RATE_PARENT);
         clk[hsi_tx_sel]       = imx_clk_mux("hsi_tx_sel",       base + 0x30, 28, 1, hsi_tx_sels,       ARRAY_SIZE(hsi_tx_sels));
         clk[pcie_axi_sel]     = imx_clk_mux("pcie_axi_sel",     base + 0x18, 10, 1, pcie_axi_sels,     ARRAY_SIZE(pcie_axi_sels));
         clk[ssi1_sel]         = imx_clk_fixup_mux("ssi1_sel",   base + 0x1c, 10, 2, ssi_sels,          ARRAY_SIZE(ssi_sels),          imx_cscmr1_fixup);
@@ -445,6 +445,15 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
                 clk_set_parent(clk[ldb_di1_sel], clk[pll5_video_div]);
         }
 
+        clk_set_parent(clk[ipu1_di0_pre_sel], clk[pll5_video_div]);
+        clk_set_parent(clk[ipu1_di1_pre_sel], clk[pll5_video_div]);
+        clk_set_parent(clk[ipu2_di0_pre_sel], clk[pll5_video_div]);
+        clk_set_parent(clk[ipu2_di1_pre_sel], clk[pll5_video_div]);
+        clk_set_parent(clk[ipu1_di0_sel], clk[ipu1_di0_pre]);
+        clk_set_parent(clk[ipu1_di1_sel], clk[ipu1_di1_pre]);
+        clk_set_parent(clk[ipu2_di0_sel], clk[ipu2_di0_pre]);
+        clk_set_parent(clk[ipu2_di1_sel], clk[ipu2_di1_pre]);
+
         /*
          * The gpmi needs 100MHz frequency in the EDO/Sync mode,
          * We can not get the 100MHz from the pll2_pfd0_352m.
diff --git a/arch/arm/mach-omap2/board-rx51-video.c b/arch/arm/mach-omap2/board-rx51-video.c
index 43a90c8d6837..9cfebc5c7455 100644
--- a/arch/arm/mach-omap2/board-rx51-video.c
+++ b/arch/arm/mach-omap2/board-rx51-video.c
@@ -48,7 +48,7 @@ static struct omap_dss_board_info rx51_dss_board_info = {
 
 static int __init rx51_video_init(void)
 {
-        if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900"))
+        if (!machine_is_nokia_rx51())
                 return 0;
 
         if (omap_mux_init_gpio(RX51_LCD_RESET_GPIO, OMAP_PIN_OUTPUT)) {
diff --git a/arch/arm/mach-omap2/clkt_dpll.c b/arch/arm/mach-omap2/clkt_dpll.c
index 2649ce445845..332af927f4d3 100644
--- a/arch/arm/mach-omap2/clkt_dpll.c
+++ b/arch/arm/mach-omap2/clkt_dpll.c
@@ -209,7 +209,7 @@ u8 omap2_init_dpll_parent(struct clk_hw *hw)
                 if (v == OMAP3XXX_EN_DPLL_LPBYPASS ||
                     v == OMAP3XXX_EN_DPLL_FRBYPASS)
                         return 1;
-        } else if (soc_is_am33xx() || cpu_is_omap44xx()) {
+        } else if (soc_is_am33xx() || cpu_is_omap44xx() || soc_is_am43xx()) {
                 if (v == OMAP4XXX_EN_DPLL_LPBYPASS ||
                     v == OMAP4XXX_EN_DPLL_FRBYPASS ||
                     v == OMAP4XXX_EN_DPLL_MNBYPASS)
@@ -255,7 +255,7 @@ unsigned long omap2_get_dpll_rate(struct clk_hw_omap *clk)
                 if (v == OMAP3XXX_EN_DPLL_LPBYPASS ||
                     v == OMAP3XXX_EN_DPLL_FRBYPASS)
                         return __clk_get_rate(dd->clk_bypass);
-        } else if (soc_is_am33xx() || cpu_is_omap44xx()) {
+        } else if (soc_is_am33xx() || cpu_is_omap44xx() || soc_is_am43xx()) {
                 if (v == OMAP4XXX_EN_DPLL_LPBYPASS ||
                     v == OMAP4XXX_EN_DPLL_FRBYPASS ||
                     v == OMAP4XXX_EN_DPLL_MNBYPASS)
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index ab43755364f5..9fe8c949305c 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -501,7 +501,7 @@ static int gpmc_cs_delete_mem(int cs)
         int r;
 
         spin_lock(&gpmc_mem_lock);
-        r = release_resource(&gpmc_cs_mem[cs]);
+        r = release_resource(res);
         res->start = 0;
         res->end = 0;
         spin_unlock(&gpmc_mem_lock);
@@ -527,6 +527,14 @@ static int gpmc_cs_remap(int cs, u32 base)
                 pr_err("%s: requested chip-select is disabled\n", __func__);
                 return -ENODEV;
         }
+
+        /*
+         * Make sure we ignore any device offsets from the GPMC partition
+         * allocated for the chip select and that the new base confirms
+         * to the GPMC 16MB minimum granularity.
+         */ 
+        base &= ~(SZ_16M - 1);
+
         gpmc_cs_get_memconf(cs, &old_base, &size);
         if (base == old_base)
                 return 0;
@@ -586,6 +594,8 @@ EXPORT_SYMBOL(gpmc_cs_request);
 
 void gpmc_cs_free(int cs)
 {
+        struct resource *res = &gpmc_cs_mem[cs];
+
         spin_lock(&gpmc_mem_lock);
         if (cs >= gpmc_cs_num || cs < 0 || !gpmc_cs_reserved(cs)) {
                 printk(KERN_ERR "Trying to free non-reserved GPMC CS%d\n", cs);
@@ -594,7 +604,8 @@ void gpmc_cs_free(int cs)
                 return;
         }
         gpmc_cs_disable_mem(cs);
-        release_resource(&gpmc_cs_mem[cs]);
+        if (res->flags)
+                release_resource(res);
         gpmc_cs_set_reserved(cs, 0);
         spin_unlock(&gpmc_mem_lock);
 }
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 1f33f5db10d5..66c60fe1104c 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -2546,11 +2546,12 @@ static int __init _init(struct omap_hwmod *oh, void *data)
                 return -EINVAL;
         }
 
-        if (np)
+        if (np) {
                 if (of_find_property(np, "ti,no-reset-on-init", NULL))
                         oh->flags |= HWMOD_INIT_NO_RESET;
                 if (of_find_property(np, "ti,no-idle-on-init", NULL))
                         oh->flags |= HWMOD_INIT_NO_IDLE;
+        }
 
         oh->_state = _HWMOD_STATE_INITIALIZED;
 
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index a123ff0070bd..71ac7d5f3385 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -1964,7 +1964,7 @@ static struct omap_hwmod_irq_info omap3xxx_usb_host_hs_irqs[] = {
 static struct omap_hwmod omap3xxx_usb_host_hs_hwmod = {
         .name           = "usb_host_hs",
         .class          = &omap3xxx_usb_host_hs_hwmod_class,
-        .clkdm_name     = "l3_init_clkdm",
+        .clkdm_name     = "usbhost_clkdm",
         .mpu_irqs       = omap3xxx_usb_host_hs_irqs,
         .main_clk       = "usbhost_48m_fck",
         .prcm = {
@@ -2047,7 +2047,7 @@ static struct omap_hwmod_irq_info omap3xxx_usb_tll_hs_irqs[] = {
 static struct omap_hwmod omap3xxx_usb_tll_hs_hwmod = {
         .name           = "usb_tll_hs",
         .class          = &omap3xxx_usb_tll_hs_hwmod_class,
-        .clkdm_name     = "l3_init_clkdm",
+        .clkdm_name     = "core_l4_clkdm",
         .mpu_irqs       = omap3xxx_usb_tll_hs_irqs,
         .main_clk       = "usbtll_fck",
         .prcm = {
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 1f3770a8a728..87099bb6de69 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -330,10 +330,6 @@ void omap_sram_idle(void)
                         omap3_sram_restore_context();
                         omap2_sms_restore_context();
                 }
-                if (core_next_state == PWRDM_POWER_OFF)
-                        omap2_prm_clear_mod_reg_bits(OMAP3430_AUTO_OFF_MASK,
-                                               OMAP3430_GR_MOD,
-                                               OMAP3_PRM_VOLTCTRL_OFFSET);
         }
         omap3_intc_resume_idle();
 
diff --git a/arch/arm/mach-pxa/include/mach/hx4700.h b/arch/arm/mach-pxa/include/mach/hx4700.h
index 8bc02913517c..0e1bb46264f9 100644
--- a/arch/arm/mach-pxa/include/mach/hx4700.h
+++ b/arch/arm/mach-pxa/include/mach/hx4700.h
@@ -14,6 +14,7 @@
 
 #include <linux/gpio.h>
 #include <linux/mfd/asic3.h>
+#include "irqs.h" /* PXA_NR_BUILTIN_GPIO */
 
 #define HX4700_ASIC3_GPIO_BASE  PXA_NR_BUILTIN_GPIO
 #define HX4700_EGPIO_BASE       (HX4700_ASIC3_GPIO_BASE + ASIC3_NUM_GPIOS)
diff --git a/arch/arm/mach-rockchip/platsmp.c b/arch/arm/mach-rockchip/platsmp.c
index dbfa5a26cfff..072842f6491b 100644
--- a/arch/arm/mach-rockchip/platsmp.c
+++ b/arch/arm/mach-rockchip/platsmp.c
@@ -152,7 +152,7 @@ static void __init rockchip_smp_prepare_cpus(unsigned int max_cpus)
 
         node = of_find_compatible_node(NULL, NULL, "rockchip,rk3066-pmu");
         if (!node) {
-                pr_err("%s: could not find sram dt node\n", __func__);
+                pr_err("%s: could not find pmu dt node\n", __func__);
                 return;
         }
 
diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig
index 1e52b6926374..04284de7aca5 100644
--- a/arch/arm/mach-s3c24xx/Kconfig
+++ b/arch/arm/mach-s3c24xx/Kconfig
@@ -28,7 +28,6 @@ config CPU_S3C2410
         bool "SAMSUNG S3C2410"
         default y
         select CPU_ARM920T
-        select CPU_LLSERIAL_S3C2410
         select S3C2410_COMMON_CLK
         select S3C2410_DMA if S3C24XX_DMA
         select ARM_S3C2410_CPUFREQ if ARM_S3C24XX_CPUFREQ
@@ -41,7 +40,6 @@ config CPU_S3C2410
 config CPU_S3C2412
         bool "SAMSUNG S3C2412"
         select CPU_ARM926T
-        select CPU_LLSERIAL_S3C2440
         select S3C2412_COMMON_CLK
         select S3C2412_DMA if S3C24XX_DMA
         select S3C2412_PM if PM
@@ -51,7 +49,6 @@ config CPU_S3C2412
 config CPU_S3C2416
         bool "SAMSUNG S3C2416/S3C2450"
         select CPU_ARM926T
-        select CPU_LLSERIAL_S3C2440
         select S3C2416_PM if PM
         select S3C2443_COMMON_CLK
         select S3C2443_DMA if S3C24XX_DMA
@@ -61,7 +58,6 @@ config CPU_S3C2416
 config CPU_S3C2440
         bool "SAMSUNG S3C2440"
         select CPU_ARM920T
-        select CPU_LLSERIAL_S3C2440
         select S3C2410_COMMON_CLK
         select S3C2410_PM if PM
         select S3C2440_DMA if S3C24XX_DMA
@@ -71,7 +67,6 @@ config CPU_S3C2440
 config CPU_S3C2442
         bool "SAMSUNG S3C2442"
         select CPU_ARM920T
-        select CPU_LLSERIAL_S3C2440
         select S3C2410_COMMON_CLK
         select S3C2410_DMA if S3C24XX_DMA
         select S3C2410_PM if PM
@@ -86,7 +81,6 @@ config CPU_S3C244X
 config CPU_S3C2443
         bool "SAMSUNG S3C2443"
         select CPU_ARM920T
-        select CPU_LLSERIAL_S3C2440
         select S3C2443_COMMON_CLK
         select S3C2443_DMA if S3C24XX_DMA
         help
@@ -148,28 +142,6 @@ config S3C2410_PM
         help
           Power Management code common to S3C2410 and better
 
-# low-level serial option nodes
-
-config CPU_LLSERIAL_S3C2410_ONLY
-        bool
-        default y if CPU_LLSERIAL_S3C2410 && !CPU_LLSERIAL_S3C2440
-
-config CPU_LLSERIAL_S3C2440_ONLY
-        bool
-        default y if CPU_LLSERIAL_S3C2440 && !CPU_LLSERIAL_S3C2410
-
-config CPU_LLSERIAL_S3C2410
-        bool
-        help
-          Selected if there is an S3C2410 (or register compatible) serial
-          low-level implementation needed
-
-config CPU_LLSERIAL_S3C2440
-        bool
-        help
-          Selected if there is an S3C2440 (or register compatible) serial
-          low-level implementation needed
-
 config S3C24XX_PLL
         bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)"
         depends on ARM_S3C24XX_CPUFREQ
diff --git a/arch/arm/mach-s3c24xx/include/mach/debug-macro.S b/arch/arm/mach-s3c24xx/include/mach/debug-macro.S
deleted file mode 100644
index 2f39737544c0..000000000000
--- a/arch/arm/mach-s3c24xx/include/mach/debug-macro.S
+++ /dev/null
@@ -1,101 +0,0 @@
-/* arch/arm/mach-s3c2410/include/mach/debug-macro.S
- *
- * Debugging macro include header
- *
- *  Copyright (C) 1994-1999 Russell King
- *  Copyright (C) 2005 Simtec Electronics
- *
- *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <mach/map.h>
-#include <mach/regs-gpio.h>
-#include <linux/serial_s3c.h>
-
-#define S3C2410_UART1_OFF (0x4000)
-#define SHIFT_2440TXF (14-9)
-
-        .macro addruart, rp, rv, tmp
-                ldr     \rp, = S3C24XX_PA_UART
-                ldr     \rv, = S3C24XX_VA_UART
-#if CONFIG_DEBUG_S3C_UART != 0
-                add     \rp, \rp, #(S3C2410_UART1_OFF * CONFIG_DEBUG_S3C_UART)
-                add     \rv, \rv, #(S3C2410_UART1_OFF * CONFIG_DEBUG_S3C_UART)
-#endif
-        .endm
-
-        .macro fifo_full_s3c24xx rd, rx
-                @ check for arm920 vs arm926. currently assume all arm926
-                @ devices have an 64 byte FIFO identical to the s3c2440
-                mrc     p15, 0, \rd, c0, c0
-                and     \rd, \rd, #0xff0
-                teq     \rd, #0x260
-                beq     1004f
-                mrc     p15, 0, \rd, c1, c0
-                tst     \rd, #1
-                addeq   \rd, \rx, #(S3C24XX_PA_GPIO - S3C24XX_PA_UART)
-                addne   \rd, \rx, #(S3C24XX_VA_GPIO - S3C24XX_VA_UART)
-                bic     \rd, \rd, #0xff000
-                ldr     \rd, [\rd, # S3C2410_GSTATUS1 - S3C2410_GPIOREG(0)]
-                and     \rd, \rd, #0x00ff0000
-                teq     \rd, #0x00440000                @ is it 2440?
-1004:
-                ldr     \rd, [\rx, # S3C2410_UFSTAT]
-                moveq   \rd, \rd, lsr #SHIFT_2440TXF
-                tst     \rd, #S3C2410_UFSTAT_TXFULL
-        .endm
-
-        .macro  fifo_full_s3c2410 rd, rx
-                ldr     \rd, [\rx, # S3C2410_UFSTAT]
-                tst     \rd, #S3C2410_UFSTAT_TXFULL
-        .endm
-
-/* fifo level reading */
-
-        .macro fifo_level_s3c24xx rd, rx
-                @ check for arm920 vs arm926. currently assume all arm926
-                @ devices have an 64 byte FIFO identical to the s3c2440
-                mrc     p15, 0, \rd, c0, c0
-                and     \rd, \rd, #0xff0
-                teq     \rd, #0x260
-                beq     10000f
-                mrc     p15, 0, \rd, c1, c0
-                tst     \rd, #1
-                addeq   \rd, \rx, #(S3C24XX_PA_GPIO - S3C24XX_PA_UART)
-                addne   \rd, \rx, #(S3C24XX_VA_GPIO - S3C24XX_VA_UART)
-                bic     \rd, \rd, #0xff000
-                ldr     \rd, [\rd, # S3C2410_GSTATUS1 - S3C2410_GPIOREG(0)]
-                and     \rd, \rd, #0x00ff0000
-                teq     \rd, #0x00440000                @ is it 2440?
-
-10000:
-                ldr     \rd, [\rx, # S3C2410_UFSTAT]
-                andne   \rd, \rd, #S3C2410_UFSTAT_TXMASK
-                andeq   \rd, \rd, #S3C2440_UFSTAT_TXMASK
-        .endm
-
-        .macro fifo_level_s3c2410 rd, rx
-                ldr     \rd, [\rx, # S3C2410_UFSTAT]
-                and     \rd, \rd, #S3C2410_UFSTAT_TXMASK
-        .endm
-
-/* Select the correct implementation depending on the configuration. The
- * S3C2440 will get selected by default, as these are the most widely
- * used variants of these
-*/
-
-#if defined(CONFIG_CPU_LLSERIAL_S3C2410_ONLY)
-#define fifo_full  fifo_full_s3c2410
-#define fifo_level fifo_level_s3c2410
-#elif !defined(CONFIG_CPU_LLSERIAL_S3C2440_ONLY)
-#define fifo_full  fifo_full_s3c24xx
-#define fifo_level fifo_level_s3c24xx
-#endif
-
-/* include the reset of the code which will do the work */
-
-#include <debug/samsung.S>
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index 2858f380beae..486063db2a2f 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -992,6 +992,7 @@ static struct asoc_simple_card_info fsi_wm8978_info = {
         .platform       = "sh_fsi2",
         .daifmt         = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM,
         .cpu_dai = {
+                .fmt    = SND_SOC_DAIFMT_IB_NF,
                 .name   = "fsia-dai",
         },
         .codec_dai = {
diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c
index f0104bfe544e..18c7e0311aa6 100644
--- a/arch/arm/mach-shmobile/board-lager.c
+++ b/arch/arm/mach-shmobile/board-lager.c
@@ -588,14 +588,12 @@ static struct asoc_simple_card_info rsnd_card_info = {
         .card           = "SSI01-AK4643",
         .codec          = "ak4642-codec.2-0012",
         .platform       = "rcar_sound",
-        .daifmt         = SND_SOC_DAIFMT_LEFT_J,
+        .daifmt         = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_CBM_CFM,
         .cpu_dai = {
                 .name   = "rcar_sound",
-                .fmt    = SND_SOC_DAIFMT_CBS_CFS,
         },
         .codec_dai = {
                 .name   = "ak4642-hifi",
-                .fmt    = SND_SOC_DAIFMT_CBM_CFM,
                 .sysclk = 11289600,
         },
 };
diff --git a/arch/arm/mach-shmobile/clock-r8a7778.c b/arch/arm/mach-shmobile/clock-r8a7778.c
index 2009a9bc6356..9989b1b06ffd 100644
--- a/arch/arm/mach-shmobile/clock-r8a7778.c
+++ b/arch/arm/mach-shmobile/clock-r8a7778.c
@@ -170,7 +170,7 @@ static struct clk mstp_clks[MSTP_NR] = {
         [MSTP010] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 10, 0), /* SSI2 */
         [MSTP009] = SH_CLK_MSTP32(&p_clk, MSTPCR0,  9, 0), /* SSI3 */
         [MSTP008] = SH_CLK_MSTP32(&p_clk, MSTPCR0,  8, 0), /* SRU */
-        [MSTP007] = SH_CLK_MSTP32(&p_clk, MSTPCR0,  7, 0), /* HSPI */
+        [MSTP007] = SH_CLK_MSTP32(&s_clk, MSTPCR0,  7, 0), /* HSPI */
 };
 
 static struct clk_lookup lookups[] = {
diff --git a/arch/arm/mach-spear/headsmp.S b/arch/arm/mach-spear/headsmp.S
index ed85473a047f..c52192dc3d9f 100644
--- a/arch/arm/mach-spear/headsmp.S
+++ b/arch/arm/mach-spear/headsmp.S
@@ -3,7 +3,7 @@
  *
  * Picked from realview
  * Copyright (c) 2012 ST Microelectronics Limited
- * Shiraz Hashim <shiraz.hashim@st.com>
+ * Shiraz Hashim <shiraz.linux.kernel@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
diff --git a/arch/arm/mach-spear/platsmp.c b/arch/arm/mach-spear/platsmp.c
index 5c4a19887b2b..c19751fff2c6 100644
--- a/arch/arm/mach-spear/platsmp.c
+++ b/arch/arm/mach-spear/platsmp.c
@@ -4,7 +4,7 @@
  * based upon linux/arch/arm/mach-realview/platsmp.c
  *
  * Copyright (C) 2012 ST Microelectronics Ltd.
- * Shiraz Hashim <shiraz.hashim@st.com>
+ * Shiraz Hashim <shiraz.linux.kernel@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
diff --git a/arch/arm/mach-spear/time.c b/arch/arm/mach-spear/time.c
index 218ba5b67d92..26fda4ed4d51 100644
--- a/arch/arm/mach-spear/time.c
+++ b/arch/arm/mach-spear/time.c
@@ -2,7 +2,7 @@
  * arch/arm/plat-spear/time.c
  *
  * Copyright (C) 2010 ST Microelectronics
- * Shiraz Hashim<shiraz.hashim@st.com>
+ * Shiraz Hashim<shiraz.linux.kernel@gmail.com>
  *
  * This file is licensed under the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any
@@ -71,7 +71,7 @@ static void clockevent_set_mode(enum clock_event_mode mode,
 static int clockevent_next_event(unsigned long evt,
                                  struct clock_event_device *clk_event_dev);
 
-static void spear_clocksource_init(void)
+static void __init spear_clocksource_init(void)
 {
         u32 tick_rate;
         u16 val;
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 92d660f9610f..55b305d51669 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -70,7 +70,4 @@ config TEGRA_AHB
           which controls AHB bus master arbitration and some
           performance parameters(priority, prefech size).
 
-config TEGRA_EMC_SCALING_ENABLE
-        bool "Enable scaling the memory frequency"
-
 endmenu
diff --git a/arch/arm/mach-vexpress/dcscb.c b/arch/arm/mach-vexpress/dcscb.c
index 788495d35cf9..30b993399ed7 100644
--- a/arch/arm/mach-vexpress/dcscb.c
+++ b/arch/arm/mach-vexpress/dcscb.c
@@ -51,12 +51,14 @@ static int dcscb_allcpus_mask[2];
 static int dcscb_power_up(unsigned int cpu, unsigned int cluster)
 {
         unsigned int rst_hold, cpumask = (1 << cpu);
-        unsigned int all_mask = dcscb_allcpus_mask[cluster];
+        unsigned int all_mask;
 
         pr_debug("%s: cpu %u cluster %u\n", __func__, cpu, cluster);
         if (cpu >= 4 || cluster >= 2)
                 return -EINVAL;
 
+        all_mask = dcscb_allcpus_mask[cluster];
+
         /*
          * Since this is called with IRQs enabled, and no arch_spin_lock_irq
          * variant exists, we need to disable IRQs manually here.
@@ -101,11 +103,12 @@ static void dcscb_power_down(void)
         cpu = MPIDR_AFFINITY_LEVEL(mpidr, 0);
         cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1);
         cpumask = (1 << cpu);
-        all_mask = dcscb_allcpus_mask[cluster];
 
         pr_debug("%s: cpu %u cluster %u\n", __func__, cpu, cluster);
         BUG_ON(cpu >= 4 || cluster >= 2);
 
+        all_mask = dcscb_allcpus_mask[cluster];
+
         __mcpm_cpu_going_down(cpu, cluster);
 
         arch_spin_lock(&dcscb_lock);
diff --git a/arch/arm/mach-vexpress/spc.c b/arch/arm/mach-vexpress/spc.c
index c26ef5b92ca7..2c2754e79cb3 100644
--- a/arch/arm/mach-vexpress/spc.c
+++ b/arch/arm/mach-vexpress/spc.c
@@ -392,7 +392,7 @@ static irqreturn_t ve_spc_irq_handler(int irq, void *data)
  *  +--------------------------+
  *  | 31      20 | 19        0 |
  *  +--------------------------+
- *  |   u_volt   |  freq(kHz)  |
+ *  |   m_volt   |  freq(kHz)  |
  *  +--------------------------+
  */
 #define MULT_FACTOR     20
@@ -414,7 +414,7 @@ static int ve_spc_populate_opps(uint32_t cluster)
                 ret = ve_spc_read_sys_cfg(SYSCFG_SCC, off, &data);
                 if (!ret) {
                         opps->freq = (data & FREQ_MASK) * MULT_FACTOR;
-                        opps->u_volt = data >> VOLT_SHIFT;
+                        opps->u_volt = (data >> VOLT_SHIFT) * 1000;
                 } else {
                         break;
                 }
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index f5ad9ee70426..5bf7c3c3b301 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -420,29 +420,29 @@ config CPU_32v3
         bool
         select CPU_USE_DOMAINS if MMU
         select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
-        select TLS_REG_EMUL if SMP || !MMU
         select NEED_KUSER_HELPERS
+        select TLS_REG_EMUL if SMP || !MMU
 
 config CPU_32v4
         bool
         select CPU_USE_DOMAINS if MMU
         select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
-        select TLS_REG_EMUL if SMP || !MMU
         select NEED_KUSER_HELPERS
+        select TLS_REG_EMUL if SMP || !MMU
 
 config CPU_32v4T
         bool
         select CPU_USE_DOMAINS if MMU
         select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
-        select TLS_REG_EMUL if SMP || !MMU
         select NEED_KUSER_HELPERS
+        select TLS_REG_EMUL if SMP || !MMU
 
 config CPU_32v5
         bool
         select CPU_USE_DOMAINS if MMU
         select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
-        select TLS_REG_EMUL if SMP || !MMU
         select NEED_KUSER_HELPERS
+        select TLS_REG_EMUL if SMP || !MMU
 
 config CPU_32v6
         bool
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index f62aa0677e5c..6b00be1f971e 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1963,8 +1963,8 @@ arm_iommu_create_mapping(struct bus_type *bus, dma_addr_t base, size_t size)
         mapping->nr_bitmaps = 1;
         mapping->extensions = extensions;
         mapping->base = base;
-        mapping->size = bitmap_size << PAGE_SHIFT;
         mapping->bits = BITS_PER_BYTE * bitmap_size;
+        mapping->size = mapping->bits << PAGE_SHIFT;
 
         spin_lock_init(&mapping->lock);
 
diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h
index 5992b8dd9b89..5a237db9f9eb 100644
--- a/arch/arm/plat-samsung/include/plat/cpu.h
+++ b/arch/arm/plat-samsung/include/plat/cpu.h
@@ -43,16 +43,6 @@ extern unsigned long samsung_cpu_id;
 #define S5PV210_CPU_ID          0x43110000
 #define S5PV210_CPU_MASK        0xFFFFF000
 
-#define EXYNOS4210_CPU_ID       0x43210000
-#define EXYNOS4212_CPU_ID       0x43220000
-#define EXYNOS4412_CPU_ID       0xE4412200
-#define EXYNOS4_CPU_MASK        0xFFFE0000
-
-#define EXYNOS5250_SOC_ID       0x43520000
-#define EXYNOS5420_SOC_ID       0xE5420000
-#define EXYNOS5440_SOC_ID       0xE5440000
-#define EXYNOS5_SOC_MASK        0xFFFFF000
-
 #define IS_SAMSUNG_CPU(name, id, mask)          \
 static inline int is_samsung_##name(void)       \
 {                                               \
@@ -68,12 +58,6 @@ IS_SAMSUNG_CPU(s5p6440, S5P6440_CPU_ID, S5P64XX_CPU_MASK)
 IS_SAMSUNG_CPU(s5p6450, S5P6450_CPU_ID, S5P64XX_CPU_MASK)
 IS_SAMSUNG_CPU(s5pc100, S5PC100_CPU_ID, S5PC100_CPU_MASK)
 IS_SAMSUNG_CPU(s5pv210, S5PV210_CPU_ID, S5PV210_CPU_MASK)
-IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
-IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK)
-IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
-IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
-IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK)
-IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK)
 
 #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \
     defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \
@@ -126,50 +110,6 @@ IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK)
 # define soc_is_s5pv210()       0
 #endif
 
-#if defined(CONFIG_CPU_EXYNOS4210)
-# define soc_is_exynos4210()    is_samsung_exynos4210()
-#else
-# define soc_is_exynos4210()    0
-#endif
-
-#if defined(CONFIG_SOC_EXYNOS4212)
-# define soc_is_exynos4212()    is_samsung_exynos4212()
-#else
-# define soc_is_exynos4212()    0
-#endif
-
-#if defined(CONFIG_SOC_EXYNOS4412)
-# define soc_is_exynos4412()    is_samsung_exynos4412()
-#else
-# define soc_is_exynos4412()    0
-#endif
-
-#define EXYNOS4210_REV_0        (0x0)
-#define EXYNOS4210_REV_1_0      (0x10)
-#define EXYNOS4210_REV_1_1      (0x11)
-
-#if defined(CONFIG_SOC_EXYNOS5250)
-# define soc_is_exynos5250()    is_samsung_exynos5250()
-#else
-# define soc_is_exynos5250()    0
-#endif
-
-#if defined(CONFIG_SOC_EXYNOS5420)
-# define soc_is_exynos5420()    is_samsung_exynos5420()
-#else
-# define soc_is_exynos5420()    0
-#endif
-
-#if defined(CONFIG_SOC_EXYNOS5440)
-# define soc_is_exynos5440()    is_samsung_exynos5440()
-#else
-# define soc_is_exynos5440()    0
-#endif
-
-#define soc_is_exynos4() (soc_is_exynos4210() || soc_is_exynos4212() || \
-                          soc_is_exynos4412())
-#define soc_is_exynos5() (soc_is_exynos5250() || soc_is_exynos5420())
-
 #define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
 
 #ifndef KHZ
@@ -239,7 +179,6 @@ extern struct bus_type s3c2443_subsys;
 extern struct bus_type s3c6410_subsys;
 extern struct bus_type s5p64x0_subsys;
 extern struct bus_type s5pv210_subsys;
-extern struct bus_type exynos_subsys;
 
 extern void (*s5pc1xx_idle)(void);
 
diff --git a/arch/arm/vfp/vfpdouble.c b/arch/arm/vfp/vfpdouble.c
index 6cac43bd1d86..423f56dd4028 100644
--- a/arch/arm/vfp/vfpdouble.c
+++ b/arch/arm/vfp/vfpdouble.c
@@ -866,6 +866,8 @@ vfp_double_multiply_accumulate(int dd, int dn, int dm, u32 fpscr, u32 negate, ch
                 vdp.sign = vfp_sign_negate(vdp.sign);
 
         vfp_double_unpack(&vdn, vfp_get_double(dd));
+        if (vdn.exponent == 0 && vdn.significand)
+                vfp_double_normalise_denormal(&vdn);
         if (negate & NEG_SUBTRACT)
                 vdn.sign = vfp_sign_negate(vdn.sign);
 
diff --git a/arch/arm/vfp/vfpsingle.c b/arch/arm/vfp/vfpsingle.c
index b252631b406b..4f96c1617aae 100644
--- a/arch/arm/vfp/vfpsingle.c
+++ b/arch/arm/vfp/vfpsingle.c
@@ -915,6 +915,8 @@ vfp_single_multiply_accumulate(int sd, int sn, s32 m, u32 fpscr, u32 negate, cha
         v = vfp_get_float(sd);
         pr_debug("VFP: s%u = %08x\n", sd, v);
         vfp_single_unpack(&vsn, v);
+        if (vsn.exponent == 0 && vsn.significand)
+                vfp_single_normalise_denormal(&vsn);
         if (negate & NEG_SUBTRACT)
                 vsn.sign = vfp_sign_negate(vsn.sign);
 
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index e6e4d3749a6e..e759af5d7098 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -323,8 +323,6 @@ menu "CPU Power Management"
 
 source "drivers/cpuidle/Kconfig"
 
-source "kernel/power/Kconfig"
-
 source "drivers/cpufreq/Kconfig"
 
 endmenu
diff --git a/arch/arm64/boot/dts/apm-storm.dtsi b/arch/arm64/boot/dts/apm-storm.dtsi
index 93f4b2dd9248..f8c40a66e65d 100644
--- a/arch/arm64/boot/dts/apm-storm.dtsi
+++ b/arch/arm64/boot/dts/apm-storm.dtsi
@@ -307,6 +307,7 @@
                               <0x0 0x1f21e000 0x0 0x1000>,
                               <0x0 0x1f217000 0x0 0x1000>;
                         interrupts = <0x0 0x86 0x4>;
+                        dma-coherent;
                         status = "disabled";
                         clocks = <&sata01clk 0>;
                         phys = <&phy1 0>;
@@ -321,6 +322,7 @@
                               <0x0 0x1f22e000 0x0 0x1000>,
                               <0x0 0x1f227000 0x0 0x1000>;
                         interrupts = <0x0 0x87 0x4>;
+                        dma-coherent;
                         status = "ok";
                         clocks = <&sata23clk 0>;
                         phys = <&phy2 0>;
@@ -334,6 +336,7 @@
                               <0x0 0x1f23d000 0x0 0x1000>,
                               <0x0 0x1f23e000 0x0 0x1000>;
                         interrupts = <0x0 0x88 0x4>;
+                        dma-coherent;
                         status = "ok";
                         clocks = <&sata45clk 0>;
                         phys = <&phy3 0>;
diff --git a/arch/arm64/include/asm/mmu.h b/arch/arm64/include/asm/mmu.h
index f600d400c07d..aff0292c8f4d 100644
--- a/arch/arm64/include/asm/mmu.h
+++ b/arch/arm64/include/asm/mmu.h
@@ -22,6 +22,9 @@ typedef struct {
         void *vdso;
 } mm_context_t;
 
+#define INIT_MM_CONTEXT(name) \
+        .context.id_lock = __RAW_SPIN_LOCK_UNLOCKED(name.context.id_lock),
+
 #define ASID(mm)        ((mm)->context.id & 0xffff)
 
 extern void paging_init(void);
diff --git a/arch/arm64/include/asm/tlb.h b/arch/arm64/include/asm/tlb.h
index 72cadf52ca80..80e2c08900d6 100644
--- a/arch/arm64/include/asm/tlb.h
+++ b/arch/arm64/include/asm/tlb.h
@@ -19,6 +19,7 @@
 #ifndef __ASM_TLB_H
 #define __ASM_TLB_H
 
+#define  __tlb_remove_pmd_tlb_entry __tlb_remove_pmd_tlb_entry
 
 #include <asm-generic/tlb.h>
 
@@ -99,5 +100,10 @@ static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp,
 }
 #endif
 
+static inline void __tlb_remove_pmd_tlb_entry(struct mmu_gather *tlb, pmd_t *pmdp,
+                                                unsigned long address)
+{
+        tlb_add_flush(tlb, address);
+}
 
 #endif
diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index bb8eb8a78e67..c8d8fc17bd5a 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -403,8 +403,9 @@ __SYSCALL(378, sys_kcmp)
 __SYSCALL(379, sys_finit_module)
 __SYSCALL(380, sys_sched_setattr)
 __SYSCALL(381, sys_sched_getattr)
+__SYSCALL(382, sys_renameat2)
 
-#define __NR_compat_syscalls            379
+#define __NR_compat_syscalls            383
 
 /*
  * Compat syscall numbers used by the AArch64 kernel.
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
index ed3955a95747..a7fb874b595e 100644
--- a/arch/arm64/kernel/debug-monitors.c
+++ b/arch/arm64/kernel/debug-monitors.c
@@ -318,9 +318,6 @@ static int brk_handler(unsigned long addr, unsigned int esr,
         if (call_break_hook(regs, esr) == DBG_HOOK_HANDLED)
                 return 0;
 
-        pr_warn("unexpected brk exception at %lx, esr=0x%x\n",
-                        (long)instruction_pointer(regs), esr);
-
         if (!user_mode(regs))
                 return -EFAULT;
 
diff --git a/arch/arm64/kernel/early_printk.c b/arch/arm64/kernel/early_printk.c
index ffbbdde7aba1..2dc36d00addf 100644
--- a/arch/arm64/kernel/early_printk.c
+++ b/arch/arm64/kernel/early_printk.c
@@ -143,10 +143,8 @@ static int __init setup_early_printk(char *buf)
         }
         /* no options parsing yet */
 
-        if (paddr) {
-                set_fixmap_io(FIX_EARLYCON_MEM_BASE, paddr);
-                early_base = (void __iomem *)fix_to_virt(FIX_EARLYCON_MEM_BASE);
-        }
+        if (paddr)
+                early_base = (void __iomem *)set_fixmap_offset_io(FIX_EARLYCON_MEM_BASE, paddr);
 
         printch = match->printch;
         early_console = &early_console_dev;
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 720853f70b6b..7ec784653b29 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -393,11 +393,10 @@ void __init setup_arch(char **cmdline_p)
 
 static int __init arm64_device_init(void)
 {
-        of_clk_init(NULL);
         of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
         return 0;
 }
-arch_initcall(arm64_device_init);
+arch_initcall_sync(arm64_device_init);
 
 static DEFINE_PER_CPU(struct cpu, cpu_data);
 
diff --git a/arch/arm64/kernel/time.c b/arch/arm64/kernel/time.c
index 29c39d5d77e3..6815987b50f8 100644
--- a/arch/arm64/kernel/time.c
+++ b/arch/arm64/kernel/time.c
@@ -33,6 +33,7 @@
 #include <linux/irq.h>
 #include <linux/delay.h>
 #include <linux/clocksource.h>
+#include <linux/clk-provider.h>
 
 #include <clocksource/arm_arch_timer.h>
 
@@ -65,6 +66,7 @@ void __init time_init(void)
 {
         u32 arch_timer_rate;
 
+        of_clk_init(NULL);
         clocksource_of_init();
 
         arch_timer_rate = arch_timer_get_rate();
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index 0ba347e59f06..c851eb44dc50 100644
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -22,8 +22,11 @@
 #include <linux/slab.h>
 #include <linux/dma-mapping.h>
 #include <linux/dma-contiguous.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
 #include <linux/vmalloc.h>
 #include <linux/swiotlb.h>
+#include <linux/amba/bus.h>
 
 #include <asm/cacheflush.h>
 
@@ -305,17 +308,45 @@ struct dma_map_ops coherent_swiotlb_dma_ops = {
 };
 EXPORT_SYMBOL(coherent_swiotlb_dma_ops);
 
+static int dma_bus_notifier(struct notifier_block *nb,
+                            unsigned long event, void *_dev)
+{
+        struct device *dev = _dev;
+
+        if (event != BUS_NOTIFY_ADD_DEVICE)
+                return NOTIFY_DONE;
+
+        if (of_property_read_bool(dev->of_node, "dma-coherent"))
+                set_dma_ops(dev, &coherent_swiotlb_dma_ops);
+
+        return NOTIFY_OK;
+}
+
+static struct notifier_block platform_bus_nb = {
+        .notifier_call = dma_bus_notifier,
+};
+
+static struct notifier_block amba_bus_nb = {
+        .notifier_call = dma_bus_notifier,
+};
+
 extern int swiotlb_late_init_with_default_size(size_t default_size);
 
 static int __init swiotlb_late_init(void)
 {
         size_t swiotlb_size = min(SZ_64M, MAX_ORDER_NR_PAGES << PAGE_SHIFT);
 
-        dma_ops = &coherent_swiotlb_dma_ops;
+        /*
+         * These must be registered before of_platform_populate().
+         */
+        bus_register_notifier(&platform_bus_type, &platform_bus_nb);
+        bus_register_notifier(&amba_bustype, &amba_bus_nb);
+
+        dma_ops = &noncoherent_swiotlb_dma_ops;
 
         return swiotlb_late_init_with_default_size(swiotlb_size);
 }
-subsys_initcall(swiotlb_late_init);
+arch_initcall(swiotlb_late_init);
 
 #define PREALLOC_DMA_DEBUG_ENTRIES      4096
 
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 6b7e89569a3a..0a472c41a67f 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -374,6 +374,9 @@ int kern_addr_valid(unsigned long addr)
         if (pmd_none(*pmd))
                 return 0;
 
+        if (pmd_sect(*pmd))
+                return pfn_valid(pmd_pfn(*pmd));
+
         pte = pte_offset_kernel(pmd, addr);
         if (pte_none(*pte))
                 return 0;
diff --git a/arch/hexagon/include/asm/barrier.h b/arch/hexagon/include/asm/barrier.h
deleted file mode 100644
index 4e863daea25b..000000000000
--- a/arch/hexagon/include/asm/barrier.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Memory barrier definitions for the Hexagon architecture
- *
- * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-#ifndef _ASM_BARRIER_H
-#define _ASM_BARRIER_H
-
-#define rmb()                           barrier()
-#define read_barrier_depends()          barrier()
-#define wmb()                           barrier()
-#define mb()                            barrier()
-#define smp_rmb()                       barrier()
-#define smp_read_barrier_depends()      barrier()
-#define smp_wmb()                       barrier()
-#define smp_mb()                        barrier()
-
-/*  Set a value and use a memory barrier.  Used by the scheduler somewhere.  */
-#define set_mb(var, value) \
-        do { var = value; mb(); } while (0)
-
-#endif /* _ASM_BARRIER_H */
diff --git a/arch/ia64/include/asm/tlb.h b/arch/ia64/include/asm/tlb.h
index bc5efc7c3f3f..39d64e0df1de 100644
--- a/arch/ia64/include/asm/tlb.h
+++ b/arch/ia64/include/asm/tlb.h
@@ -91,18 +91,9 @@ extern struct ia64_tr_entry *ia64_idtrs[NR_CPUS];
 #define RR_RID_MASK     0x00000000ffffff00L
 #define RR_TO_RID(val)  ((val >> 8) & 0xffffff)
 
-/*
- * Flush the TLB for address range START to END and, if not in fast mode, release the
- * freed pages that where gathered up to this point.
- */
 static inline void
-ia64_tlb_flush_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long end)
+ia64_tlb_flush_mmu_tlbonly(struct mmu_gather *tlb, unsigned long start, unsigned long end)
 {
-        unsigned long i;
-        unsigned int nr;
-
-        if (!tlb->need_flush)
-                return;
         tlb->need_flush = 0;
 
         if (tlb->fullmm) {
@@ -135,6 +126,14 @@ ia64_tlb_flush_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long e
                 flush_tlb_range(&vma, ia64_thash(start), ia64_thash(end));
         }
 
+}
+
+static inline void
+ia64_tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
+        unsigned long i;
+        unsigned int nr;
+
         /* lastly, release the freed pages */
         nr = tlb->nr;
 
@@ -144,6 +143,19 @@ ia64_tlb_flush_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long e
                 free_page_and_swap_cache(tlb->pages[i]);
 }
 
+/*
+ * Flush the TLB for address range START to END and, if not in fast mode, release the
+ * freed pages that where gathered up to this point.
+ */
+static inline void
+ia64_tlb_flush_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long end)
+{
+        if (!tlb->need_flush)
+                return;
+        ia64_tlb_flush_mmu_tlbonly(tlb, start, end);
+        ia64_tlb_flush_mmu_free(tlb);
+}
+
 static inline void __tlb_alloc_page(struct mmu_gather *tlb)
 {
         unsigned long addr = __get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0);
@@ -206,6 +218,16 @@ static inline int __tlb_remove_page(struct mmu_gather *tlb, struct page *page)
         return tlb->max - tlb->nr;
 }
 
+static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
+{
+        ia64_tlb_flush_mmu_tlbonly(tlb, tlb->start_addr, tlb->end_addr);
+}
+
+static inline void tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
+        ia64_tlb_flush_mmu_free(tlb);
+}
+
 static inline void tlb_flush_mmu(struct mmu_gather *tlb)
 {
         ia64_tlb_flush_mmu(tlb, tlb->start_addr, tlb->end_addr);
diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S
index e6f80fcf013b..a4acddad0c78 100644
--- a/arch/ia64/kernel/head.S
+++ b/arch/ia64/kernel/head.S
@@ -259,7 +259,7 @@ start_ap:
          * Switch into virtual mode:
          */
         movl r16=(IA64_PSR_IT|IA64_PSR_IC|IA64_PSR_DT|IA64_PSR_RT|IA64_PSR_DFH|IA64_PSR_BN \
-                  |IA64_PSR_DI|IA64_PSR_AC)
+                  |IA64_PSR_DI)
         ;;
         mov cr.ipsr=r16
         movl r17=1f
diff --git a/arch/ia64/kernel/ivt.S b/arch/ia64/kernel/ivt.S
index 689ffcaa284e..18e794a57248 100644
--- a/arch/ia64/kernel/ivt.S
+++ b/arch/ia64/kernel/ivt.S
@@ -58,7 +58,7 @@
 #include <asm/unistd.h>
 #include <asm/errno.h>
 
-#if 1
+#if 0
 # define PSR_DEFAULT_BITS       psr.ac
 #else
 # define PSR_DEFAULT_BITS       0
diff --git a/arch/ia64/kvm/vmm_ivt.S b/arch/ia64/kvm/vmm_ivt.S
index 24018484c6e9..397e34a63e18 100644
--- a/arch/ia64/kvm/vmm_ivt.S
+++ b/arch/ia64/kvm/vmm_ivt.S
@@ -64,7 +64,7 @@
 #include "kvm_minstate.h"
 #include "vti.h"
 
-#if 1
+#if 0
 # define PSR_DEFAULT_BITS   psr.ac
 #else
 # define PSR_DEFAULT_BITS   0
diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c
index c2bb4f896ce7..3aa5b46b2d40 100644
--- a/arch/mips/cavium-octeon/octeon-irq.c
+++ b/arch/mips/cavium-octeon/octeon-irq.c
@@ -635,7 +635,7 @@ static void octeon_irq_cpu_offline_ciu(struct irq_data *data)
                 cpumask_clear(&new_affinity);
                 cpumask_set_cpu(cpumask_first(cpu_online_mask), &new_affinity);
         }
-        __irq_set_affinity_locked(data, &new_affinity);
+        irq_set_affinity_locked(data, &new_affinity, false);
 }
 
 static int octeon_irq_ciu_set_affinity(struct irq_data *data,
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index e422b38d3113..9e67cdea3c74 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -29,15 +29,15 @@ void (*flush_cache_range)(struct vm_area_struct *vma, unsigned long start,
 void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page,
         unsigned long pfn);
 void (*flush_icache_range)(unsigned long start, unsigned long end);
+EXPORT_SYMBOL_GPL(flush_icache_range);
 void (*local_flush_icache_range)(unsigned long start, unsigned long end);
 
 void (*__flush_cache_vmap)(void);
 void (*__flush_cache_vunmap)(void);
 
 void (*__flush_kernel_vmap_range)(unsigned long vaddr, int size);
-void (*__invalidate_kernel_vmap_range)(unsigned long vaddr, int size);
-
 EXPORT_SYMBOL_GPL(__flush_kernel_vmap_range);
+void (*__invalidate_kernel_vmap_range)(unsigned long vaddr, int size);
 
 /* MIPS specific cache operations */
 void (*flush_cache_sigtramp)(unsigned long addr);
diff --git a/arch/parisc/include/asm/shmparam.h b/arch/parisc/include/asm/shmparam.h
index 628ddc22faa8..afe1300ab667 100644
--- a/arch/parisc/include/asm/shmparam.h
+++ b/arch/parisc/include/asm/shmparam.h
@@ -1,8 +1,7 @@
 #ifndef _ASMPARISC_SHMPARAM_H
 #define _ASMPARISC_SHMPARAM_H
 
-#define __ARCH_FORCE_SHMLBA     1
-
-#define SHMLBA 0x00400000   /* attach addr needs to be 4 Mb aligned */
+#define SHMLBA     PAGE_SIZE    /* attach addr a multiple of this */
+#define SHM_COLOUR 0x00400000   /* shared mappings colouring */
 
 #endif /* _ASMPARISC_SHMPARAM_H */
diff --git a/arch/parisc/include/uapi/asm/Kbuild b/arch/parisc/include/uapi/asm/Kbuild
index a580642555b6..348356c99514 100644
--- a/arch/parisc/include/uapi/asm/Kbuild
+++ b/arch/parisc/include/uapi/asm/Kbuild
@@ -1,6 +1,8 @@
 # UAPI Header export list
 include include/uapi/asm-generic/Kbuild.asm
 
+generic-y += resource.h
+
 header-y += bitsperlong.h
 header-y += byteorder.h
 header-y += errno.h
@@ -13,7 +15,6 @@ header-y += msgbuf.h
 header-y += pdc.h
 header-y += posix_types.h
 header-y += ptrace.h
-header-y += resource.h
 header-y += sembuf.h
 header-y += setup.h
 header-y += shmbuf.h
diff --git a/arch/parisc/include/uapi/asm/resource.h b/arch/parisc/include/uapi/asm/resource.h
deleted file mode 100644
index 8b06343b62ed..000000000000
--- a/arch/parisc/include/uapi/asm/resource.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef _ASM_PARISC_RESOURCE_H
-#define _ASM_PARISC_RESOURCE_H
-
-#define _STK_LIM_MAX    10 * _STK_LIM
-#include <asm-generic/resource.h>
-
-#endif
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index a6ffc775a9f8..f6448c7c62b5 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -323,7 +323,8 @@ void flush_dcache_page(struct page *page)
                  * specifically accesses it, of course) */
 
                 flush_tlb_page(mpnt, addr);
-                if (old_addr == 0 || (old_addr & (SHMLBA - 1)) != (addr & (SHMLBA - 1))) {
+                if (old_addr == 0 || (old_addr & (SHM_COLOUR - 1))
+                                      != (addr & (SHM_COLOUR - 1))) {
                         __flush_cache_page(mpnt, addr, page_to_phys(page));
                         if (old_addr)
                                 printk(KERN_ERR "INEQUIVALENT ALIASES 0x%lx and 0x%lx in file %s\n", old_addr, addr, mpnt->vm_file ? (char *)mpnt->vm_file->f_path.dentry->d_name.name : "(null)");
diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
index b7cadc4a06cd..31ffa9b55322 100644
--- a/arch/parisc/kernel/sys_parisc.c
+++ b/arch/parisc/kernel/sys_parisc.c
@@ -45,7 +45,7 @@
 
 static int get_offset(unsigned int last_mmap)
 {
-        return (last_mmap & (SHMLBA-1)) >> PAGE_SHIFT;
+        return (last_mmap & (SHM_COLOUR-1)) >> PAGE_SHIFT;
 }
 
 static unsigned long shared_align_offset(unsigned int last_mmap,
@@ -57,8 +57,8 @@ static unsigned long shared_align_offset(unsigned int last_mmap,
 static inline unsigned long COLOR_ALIGN(unsigned long addr,
                          unsigned int last_mmap, unsigned long pgoff)
 {
-        unsigned long base = (addr+SHMLBA-1) & ~(SHMLBA-1);
-        unsigned long off  = (SHMLBA-1) &
+        unsigned long base = (addr+SHM_COLOUR-1) & ~(SHM_COLOUR-1);
+        unsigned long off  = (SHM_COLOUR-1) &
                 (shared_align_offset(last_mmap, pgoff) << PAGE_SHIFT);
 
         return base + off;
@@ -101,7 +101,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
         if (flags & MAP_FIXED) {
                 if ((flags & MAP_SHARED) && last_mmap &&
                     (addr - shared_align_offset(last_mmap, pgoff))
-                                & (SHMLBA - 1))
+                                & (SHM_COLOUR - 1))
                         return -EINVAL;
                 goto found_addr;
         }
@@ -122,7 +122,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
         info.length = len;
         info.low_limit = mm->mmap_legacy_base;
         info.high_limit = mmap_upper_limit();
-        info.align_mask = last_mmap ? (PAGE_MASK & (SHMLBA - 1)) : 0;
+        info.align_mask = last_mmap ? (PAGE_MASK & (SHM_COLOUR - 1)) : 0;
         info.align_offset = shared_align_offset(last_mmap, pgoff);
         addr = vm_unmapped_area(&info);
 
@@ -161,7 +161,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
         if (flags & MAP_FIXED) {
                 if ((flags & MAP_SHARED) && last_mmap &&
                     (addr - shared_align_offset(last_mmap, pgoff))
-                        & (SHMLBA - 1))
+                        & (SHM_COLOUR - 1))
                         return -EINVAL;
                 goto found_addr;
         }
@@ -182,7 +182,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
         info.length = len;
         info.low_limit = PAGE_SIZE;
         info.high_limit = mm->mmap_base;
-        info.align_mask = last_mmap ? (PAGE_MASK & (SHMLBA - 1)) : 0;
+        info.align_mask = last_mmap ? (PAGE_MASK & (SHM_COLOUR - 1)) : 0;
         info.align_offset = shared_align_offset(last_mmap, pgoff);
         addr = vm_unmapped_area(&info);
         if (!(addr & ~PAGE_MASK))
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 80e5dd248934..83ead0ea127d 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -392,7 +392,7 @@
         ENTRY_COMP(vmsplice)
         ENTRY_COMP(move_pages)          /* 295 */
         ENTRY_SAME(getcpu)
-        ENTRY_SAME(epoll_pwait)
+        ENTRY_COMP(epoll_pwait)
         ENTRY_COMP(statfs64)
         ENTRY_COMP(fstatfs64)
         ENTRY_COMP(kexec_load)          /* 300 */
diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c
index 413dc1769299..b2b441b32341 100644
--- a/arch/parisc/lib/memcpy.c
+++ b/arch/parisc/lib/memcpy.c
@@ -470,7 +470,7 @@ static unsigned long pa_memcpy(void *dstp, const void *srcp, unsigned long len)
                 return 0;
 
         /* if a load or store fault occured we can get the faulty addr */
-        d = &__get_cpu_var(exception_data);
+        d = this_cpu_ptr(&exception_data);
         fault_addr = d->fault_addr;
 
         /* error in load or store? */
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index 9d08c71a967e..747550762f3c 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -151,7 +151,7 @@ int fixup_exception(struct pt_regs *regs)
         fix = search_exception_tables(regs->iaoq[0]);
         if (fix) {
                 struct exception_data *d;
-                d = &__get_cpu_var(exception_data);
+                d = this_cpu_ptr(&exception_data);
                 d->fault_ip = regs->iaoq[0];
                 d->fault_space = regs->isr;
                 d->fault_addr = regs->ior;
diff --git a/arch/powerpc/boot/main.c b/arch/powerpc/boot/main.c
index a28f02165e97..d367a0aece2a 100644
--- a/arch/powerpc/boot/main.c
+++ b/arch/powerpc/boot/main.c
@@ -139,18 +139,18 @@ static struct addr_range prep_initrd(struct addr_range vmlinux, void *chosen,
  * edit the command line passed to vmlinux (by setting /chosen/bootargs).
  * The buffer is put in it's own section so that tools may locate it easier.
  */
-static char cmdline[COMMAND_LINE_SIZE]
+static char cmdline[BOOT_COMMAND_LINE_SIZE]
         __attribute__((__section__("__builtin_cmdline")));
 
 static void prep_cmdline(void *chosen)
 {
         if (cmdline[0] == '\0')
-                getprop(chosen, "bootargs", cmdline, COMMAND_LINE_SIZE-1);
+                getprop(chosen, "bootargs", cmdline, BOOT_COMMAND_LINE_SIZE-1);
 
         printf("\n\rLinux/PowerPC load: %s", cmdline);
         /* If possible, edit the command line */
         if (console_ops.edit_cmdline)
-                console_ops.edit_cmdline(cmdline, COMMAND_LINE_SIZE);
+                console_ops.edit_cmdline(cmdline, BOOT_COMMAND_LINE_SIZE);
         printf("\n\r");
 
         /* Put the command line back into the devtree for the kernel */
@@ -174,7 +174,7 @@ void start(void)
          * built-in command line wasn't set by an external tool */
         if ((loader_info.cmdline_len > 0) && (cmdline[0] == '\0'))
                 memmove(cmdline, loader_info.cmdline,
-                        min(loader_info.cmdline_len, COMMAND_LINE_SIZE-1));
+                        min(loader_info.cmdline_len, BOOT_COMMAND_LINE_SIZE-1));
 
         if (console_ops.open && (console_ops.open() < 0))
                 exit();
diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h
index b3218ce451bb..8aad3c55aeda 100644
--- a/arch/powerpc/boot/ops.h
+++ b/arch/powerpc/boot/ops.h
@@ -15,7 +15,7 @@
 #include "types.h"
 #include "string.h"
 
-#define COMMAND_LINE_SIZE       512
+#define BOOT_COMMAND_LINE_SIZE  2048
 #define MAX_PATH_LEN            256
 #define MAX_PROP_LEN            256 /* What should this be? */
 
diff --git a/arch/powerpc/boot/ps3.c b/arch/powerpc/boot/ps3.c
index 9954d98871d0..4ec2d86d3c50 100644
--- a/arch/powerpc/boot/ps3.c
+++ b/arch/powerpc/boot/ps3.c
@@ -47,13 +47,13 @@ BSS_STACK(4096);
  * The buffer is put in it's own section so that tools may locate it easier.
  */
 
-static char cmdline[COMMAND_LINE_SIZE]
+static char cmdline[BOOT_COMMAND_LINE_SIZE]
         __attribute__((__section__("__builtin_cmdline")));
 
 static void prep_cmdline(void *chosen)
 {
         if (cmdline[0] == '\0')
-                getprop(chosen, "bootargs", cmdline, COMMAND_LINE_SIZE-1);
+                getprop(chosen, "bootargs", cmdline, BOOT_COMMAND_LINE_SIZE-1);
         else
                 setprop_str(chosen, "bootargs", cmdline);
 
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index a2efdaa020b0..66ad7a74116f 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -41,14 +41,14 @@ struct opal_takeover_args {
  * size except the last one in the list to be as well.
  */
 struct opal_sg_entry {
-        void    *data;
-        long    length;
+        __be64 data;
+        __be64 length;
 };
 
-/* sg list */
+/* SG list */
 struct opal_sg_list {
-        unsigned long num_entries;
-        struct opal_sg_list *next;
+        __be64 length;
+        __be64 next;
         struct opal_sg_entry entry[];
 };
 
@@ -858,8 +858,8 @@ int64_t opal_lpc_write(uint32_t chip_id, enum OpalLPCAddressType addr_type,
 int64_t opal_lpc_read(uint32_t chip_id, enum OpalLPCAddressType addr_type,
                       uint32_t addr, __be32 *data, uint32_t sz);
 
-int64_t opal_read_elog(uint64_t buffer, size_t size, uint64_t log_id);
-int64_t opal_get_elog_size(uint64_t *log_id, size_t *size, uint64_t *elog_type);
+int64_t opal_read_elog(uint64_t buffer, uint64_t size, uint64_t log_id);
+int64_t opal_get_elog_size(__be64 *log_id, __be64 *size, __be64 *elog_type);
 int64_t opal_write_elog(uint64_t buffer, uint64_t size, uint64_t offset);
 int64_t opal_send_ack_elog(uint64_t log_id);
 void opal_resend_pending_logs(void);
@@ -868,23 +868,24 @@ int64_t opal_validate_flash(uint64_t buffer, uint32_t *size, uint32_t *result);
 int64_t opal_manage_flash(uint8_t op);
 int64_t opal_update_flash(uint64_t blk_list);
 int64_t opal_dump_init(uint8_t dump_type);
-int64_t opal_dump_info(uint32_t *dump_id, uint32_t *dump_size);
-int64_t opal_dump_info2(uint32_t *dump_id, uint32_t *dump_size, uint32_t *dump_type);
+int64_t opal_dump_info(__be32 *dump_id, __be32 *dump_size);
+int64_t opal_dump_info2(__be32 *dump_id, __be32 *dump_size, __be32 *dump_type);
 int64_t opal_dump_read(uint32_t dump_id, uint64_t buffer);
 int64_t opal_dump_ack(uint32_t dump_id);
 int64_t opal_dump_resend_notification(void);
 
-int64_t opal_get_msg(uint64_t buffer, size_t size);
-int64_t opal_check_completion(uint64_t buffer, size_t size, uint64_t token);
+int64_t opal_get_msg(uint64_t buffer, uint64_t size);
+int64_t opal_check_completion(uint64_t buffer, uint64_t size, uint64_t token);
 int64_t opal_sync_host_reboot(void);
 int64_t opal_get_param(uint64_t token, uint32_t param_id, uint64_t buffer,
-                size_t length);
+                uint64_t length);
 int64_t opal_set_param(uint64_t token, uint32_t param_id, uint64_t buffer,
-                size_t length);
+                uint64_t length);
 int64_t opal_sensor_read(uint32_t sensor_hndl, int token, __be32 *sensor_data);
 
 /* Internal functions */
-extern int early_init_dt_scan_opal(unsigned long node, const char *uname, int depth, void *data);
+extern int early_init_dt_scan_opal(unsigned long node, const char *uname,
+                                   int depth, void *data);
 extern int early_init_dt_scan_recoverable_ranges(unsigned long node,
                                  const char *uname, int depth, void *data);
 
@@ -893,10 +894,6 @@ extern int opal_put_chars(uint32_t vtermno, const char *buf, int total_len);
 
 extern void hvc_opal_init_early(void);
 
-/* Internal functions */
-extern int early_init_dt_scan_opal(unsigned long node, const char *uname,
-                                   int depth, void *data);
-
 extern int opal_notifier_register(struct notifier_block *nb);
 extern int opal_notifier_unregister(struct notifier_block *nb);
 
@@ -906,9 +903,6 @@ extern void opal_notifier_enable(void);
 extern void opal_notifier_disable(void);
 extern void opal_notifier_update_evt(uint64_t evt_mask, uint64_t evt_val);
 
-extern int opal_get_chars(uint32_t vtermno, char *buf, int count);
-extern int opal_put_chars(uint32_t vtermno, const char *buf, int total_len);
-
 extern int __opal_async_get_token(void);
 extern int opal_async_get_token_interruptible(void);
 extern int __opal_async_release_token(int token);
@@ -916,8 +910,6 @@ extern int opal_async_release_token(int token);
 extern int opal_async_wait_response(uint64_t token, struct opal_msg *msg);
 extern int opal_get_sensor_data(u32 sensor_hndl, u32 *sensor_data);
 
-extern void hvc_opal_init_early(void);
-
 struct rtc_time;
 extern int opal_set_rtc_time(struct rtc_time *tm);
 extern void opal_get_rtc_time(struct rtc_time *tm);
@@ -937,6 +929,10 @@ extern int opal_resync_timebase(void);
 
 extern void opal_lpc_init(void);
 
+struct opal_sg_list *opal_vmalloc_to_sg_list(void *vmalloc_addr,
+                                             unsigned long vmalloc_size);
+void opal_free_sg_list(struct opal_sg_list *sg);
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* __OPAL_H */
diff --git a/arch/powerpc/include/uapi/asm/setup.h b/arch/powerpc/include/uapi/asm/setup.h
index 552df83f1a49..ae3fb68cb28e 100644
--- a/arch/powerpc/include/uapi/asm/setup.h
+++ b/arch/powerpc/include/uapi/asm/setup.h
@@ -1 +1,6 @@
-#include <asm-generic/setup.h>
+#ifndef _UAPI_ASM_POWERPC_SETUP_H
+#define _UAPI_ASM_POWERPC_SETUP_H
+
+#define COMMAND_LINE_SIZE       2048
+
+#endif /* _UAPI_ASM_POWERPC_SETUP_H */
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 2a4779091a58..155013da27e0 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -208,7 +208,7 @@ long sys_pciconfig_iobase(long which, unsigned long in_bus,
                           unsigned long in_devfn)
 {
         struct pci_controller* hose;
-        struct pci_bus *bus = NULL;
+        struct pci_bus *tmp_bus, *bus = NULL;
         struct device_node *hose_node;
 
         /* Argh ! Please forgive me for that hack, but that's the
@@ -229,10 +229,12 @@ long sys_pciconfig_iobase(long which, unsigned long in_bus,
          * used on pre-domains setup. We return the first match
          */
 
-        list_for_each_entry(bus, &pci_root_buses, node) {
-                if (in_bus >= bus->number && in_bus <= bus->busn_res.end)
+        list_for_each_entry(tmp_bus, &pci_root_buses, node) {
+                if (in_bus >= tmp_bus->number &&
+                    in_bus <= tmp_bus->busn_res.end) {
+                        bus = tmp_bus;
                         break;
-                bus = NULL;
+                }
         }
         if (bus == NULL || bus->dev.of_node == NULL)
                 return -ENODEV;
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index 3bd77edd7610..450850a49dce 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -120,6 +120,7 @@ EXPORT_SYMBOL(giveup_spe);
 EXPORT_SYMBOL(flush_instruction_cache);
 #endif
 EXPORT_SYMBOL(flush_dcache_range);
+EXPORT_SYMBOL(flush_icache_range);
 
 #ifdef CONFIG_SMP
 #ifdef CONFIG_PPC32
diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c
index 2f3cdb01506d..658e89d2025b 100644
--- a/arch/powerpc/kernel/rtas_flash.c
+++ b/arch/powerpc/kernel/rtas_flash.c
@@ -705,7 +705,7 @@ static int __init rtas_flash_init(void)
         if (rtas_token("ibm,update-flash-64-and-reboot") ==
                        RTAS_UNKNOWN_SERVICE) {
                 pr_info("rtas_flash: no firmware flash support\n");
-                return 1;
+                return -EINVAL;
         }
 
         rtas_validate_flash_data.buf = kzalloc(VALIDATE_BUF_SIZE, GFP_KERNEL);
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index ffbb871c2bd8..b031f932c0cc 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -242,6 +242,12 @@ kvm_novcpu_exit:
  */
         .globl  kvm_start_guest
 kvm_start_guest:
+
+        /* Set runlatch bit the minute you wake up from nap */
+        mfspr   r1, SPRN_CTRLF
+        ori     r1, r1, 1
+        mtspr   SPRN_CTRLT, r1
+
         ld      r2,PACATOC(r13)
 
         li      r0,KVM_HWTHREAD_IN_KVM
@@ -309,6 +315,11 @@ kvm_no_guest:
         li      r0, KVM_HWTHREAD_IN_NAP
         stb     r0, HSTATE_HWTHREAD_STATE(r13)
 kvm_do_nap:
+        /* Clear the runlatch bit before napping */
+        mfspr   r2, SPRN_CTRLF
+        clrrdi  r2, r2, 1
+        mtspr   SPRN_CTRLT, r2
+
         li      r3, LPCR_PECE0
         mfspr   r4, SPRN_LPCR
         rlwimi  r4, r3, 0, LPCR_PECE0 | LPCR_PECE1
@@ -1999,8 +2010,13 @@ END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_206)
 
         /*
          * Take a nap until a decrementer or external or doobell interrupt
-         * occurs, with PECE1, PECE0 and PECEDP set in LPCR
+         * occurs, with PECE1, PECE0 and PECEDP set in LPCR. Also clear the
+         * runlatch bit before napping.
          */
+        mfspr   r2, SPRN_CTRLF
+        clrrdi  r2, r2, 1
+        mtspr   SPRN_CTRLT, r2
+
         li      r0,1
         stb     r0,HSTATE_HWTHREAD_REQ(r13)
         mfspr   r5,SPRN_LPCR
diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c
index 3ea26c25590b..cf1d325eae8b 100644
--- a/arch/powerpc/mm/hash_native_64.c
+++ b/arch/powerpc/mm/hash_native_64.c
@@ -82,17 +82,14 @@ static inline void __tlbie(unsigned long vpn, int psize, int apsize, int ssize)
                 va &= ~((1ul << mmu_psize_defs[apsize].shift) - 1);
                 va |= penc << 12;
                 va |= ssize << 8;
-                /* Add AVAL part */
-                if (psize != apsize) {
-                        /*
-                         * MPSS, 64K base page size and 16MB parge page size
-                         * We don't need all the bits, but rest of the bits
-                         * must be ignored by the processor.
-                         * vpn cover upto 65 bits of va. (0...65) and we need
-                         * 58..64 bits of va.
-                         */
-                        va |= (vpn & 0xfe);
-                }
+                /*
+                 * AVAL bits:
+                 * We don't need all the bits, but rest of the bits
+                 * must be ignored by the processor.
+                 * vpn cover upto 65 bits of va. (0...65) and we need
+                 * 58..64 bits of va.
+                 */
+                va |= (vpn & 0xfe); /* AVAL */
                 va |= 1; /* L */
                 asm volatile(ASM_FTR_IFCLR("tlbie %0,1", PPC_TLBIE(%1,%0), %2)
                              : : "r" (va), "r"(0), "i" (CPU_FTR_ARCH_206)
@@ -133,17 +130,14 @@ static inline void __tlbiel(unsigned long vpn, int psize, int apsize, int ssize)
                 va &= ~((1ul << mmu_psize_defs[apsize].shift) - 1);
                 va |= penc << 12;
                 va |= ssize << 8;
-                /* Add AVAL part */
-                if (psize != apsize) {
-                        /*
-                         * MPSS, 64K base page size and 16MB parge page size
-                         * We don't need all the bits, but rest of the bits
-                         * must be ignored by the processor.
-                         * vpn cover upto 65 bits of va. (0...65) and we need
-                         * 58..64 bits of va.
-                         */
-                        va |= (vpn & 0xfe);
-                }
+                /*
+                 * AVAL bits:
+                 * We don't need all the bits, but rest of the bits
+                 * must be ignored by the processor.
+                 * vpn cover upto 65 bits of va. (0...65) and we need
+                 * 58..64 bits of va.
+                 */
+                va |= (vpn & 0xfe);
                 va |= 1; /* L */
                 asm volatile(".long 0x7c000224 | (%0 << 11) | (1 << 21)"
                              : : "r"(va) : "memory");
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 4ebbb9e99286..3b181b22cd46 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -232,6 +232,7 @@ int __node_distance(int a, int b)
 
         return distance;
 }
+EXPORT_SYMBOL(__node_distance);
 
 static void initialize_distance_lookup_table(int nid,
                 const __be32 *associativity)
diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c
index 297c91051413..e0766b82e165 100644
--- a/arch/powerpc/perf/hv-24x7.c
+++ b/arch/powerpc/perf/hv-24x7.c
@@ -155,16 +155,28 @@ static ssize_t read_offset_data(void *dest, size_t dest_len,
         return copy_len;
 }
 
-static unsigned long h_get_24x7_catalog_page(char page[static 4096],
-                                             u32 version, u32 index)
+static unsigned long h_get_24x7_catalog_page_(unsigned long phys_4096,
+                                              unsigned long version,
+                                              unsigned long index)
 {
-        WARN_ON(!IS_ALIGNED((unsigned long)page, 4096));
+        pr_devel("h_get_24x7_catalog_page(0x%lx, %lu, %lu)",
+                        phys_4096,
+                        version,
+                        index);
+        WARN_ON(!IS_ALIGNED(phys_4096, 4096));
         return plpar_hcall_norets(H_GET_24X7_CATALOG_PAGE,
-                        virt_to_phys(page),
+                        phys_4096,
                         version,
                         index);
 }
 
+static unsigned long h_get_24x7_catalog_page(char page[],
+                                             u64 version, u32 index)
+{
+        return h_get_24x7_catalog_page_(virt_to_phys(page),
+                                        version, index);
+}
+
 static ssize_t catalog_read(struct file *filp, struct kobject *kobj,
                             struct bin_attribute *bin_attr, char *buf,
                             loff_t offset, size_t count)
@@ -173,7 +185,7 @@ static ssize_t catalog_read(struct file *filp, struct kobject *kobj,
         ssize_t ret = 0;
         size_t catalog_len = 0, catalog_page_len = 0, page_count = 0;
         loff_t page_offset = 0;
-        uint32_t catalog_version_num = 0;
+        uint64_t catalog_version_num = 0;
         void *page = kmem_cache_alloc(hv_page_cache, GFP_USER);
         struct hv_24x7_catalog_page_0 *page_0 = page;
         if (!page)
@@ -185,7 +197,7 @@ static ssize_t catalog_read(struct file *filp, struct kobject *kobj,
                 goto e_free;
         }
 
-        catalog_version_num = be32_to_cpu(page_0->version);
+        catalog_version_num = be64_to_cpu(page_0->version);
         catalog_page_len = be32_to_cpu(page_0->length);
         catalog_len = catalog_page_len * 4096;
 
@@ -208,8 +220,9 @@ static ssize_t catalog_read(struct file *filp, struct kobject *kobj,
                                 page, 4096, page_offset * 4096);
 e_free:
         if (hret)
-                pr_err("h_get_24x7_catalog_page(ver=%d, page=%lld) failed: rc=%ld\n",
-                                catalog_version_num, page_offset, hret);
+                pr_err("h_get_24x7_catalog_page(ver=%lld, page=%lld) failed:"
+                       " rc=%ld\n",
+                       catalog_version_num, page_offset, hret);
         kfree(page);
 
         pr_devel("catalog_read: offset=%lld(%lld) count=%zu(%zu) catalog_len=%zu(%zu) => %zd\n",
@@ -243,7 +256,7 @@ e_free:								\
 static DEVICE_ATTR_RO(_name)
 
 PAGE_0_ATTR(catalog_version, "%lld\n",
-                (unsigned long long)be32_to_cpu(page_0->version));
+                (unsigned long long)be64_to_cpu(page_0->version));
 PAGE_0_ATTR(catalog_len, "%lld\n",
                 (unsigned long long)be32_to_cpu(page_0->length) * 4096);
 static BIN_ATTR_RO(catalog, 0/* real length varies */);
@@ -485,13 +498,13 @@ static int hv_24x7_init(void)
         struct hv_perf_caps caps;
 
         if (!firmware_has_feature(FW_FEATURE_LPAR)) {
-                pr_info("not a virtualized system, not enabling\n");
+                pr_debug("not a virtualized system, not enabling\n");
                 return -ENODEV;
         }
 
         hret = hv_perf_caps_get(&caps);
         if (hret) {
-                pr_info("could not obtain capabilities, error 0x%80lx, not enabling\n",
+                pr_debug("could not obtain capabilities, not enabling, rc=%ld\n",
                                 hret);
                 return -ENODEV;
         }
diff --git a/arch/powerpc/perf/hv-gpci.c b/arch/powerpc/perf/hv-gpci.c
index 278ba7b9c2b5..c9d399a2df82 100644
--- a/arch/powerpc/perf/hv-gpci.c
+++ b/arch/powerpc/perf/hv-gpci.c
@@ -78,7 +78,7 @@ static ssize_t kernel_version_show(struct device *dev,
         return sprintf(page, "0x%x\n", COUNTER_INFO_VERSION_CURRENT);
 }
 
-DEVICE_ATTR_RO(kernel_version);
+static DEVICE_ATTR_RO(kernel_version);
 HV_CAPS_ATTR(version, "0x%x\n");
 HV_CAPS_ATTR(ga, "%d\n");
 HV_CAPS_ATTR(expanded, "%d\n");
@@ -273,13 +273,13 @@ static int hv_gpci_init(void)
         struct hv_perf_caps caps;
 
         if (!firmware_has_feature(FW_FEATURE_LPAR)) {
-                pr_info("not a virtualized system, not enabling\n");
+                pr_debug("not a virtualized system, not enabling\n");
                 return -ENODEV;
         }
 
         hret = hv_perf_caps_get(&caps);
         if (hret) {
-                pr_info("could not obtain capabilities, error 0x%80lx, not enabling\n",
+                pr_debug("could not obtain capabilities, not enabling, rc=%ld\n",
                                 hret);
                 return -ENODEV;
         }
diff --git a/arch/powerpc/platforms/powernv/opal-dump.c b/arch/powerpc/platforms/powernv/opal-dump.c
index b9827b0d87e4..788a1977b9a5 100644
--- a/arch/powerpc/platforms/powernv/opal-dump.c
+++ b/arch/powerpc/platforms/powernv/opal-dump.c
@@ -209,89 +209,20 @@ static struct kobj_type dump_ktype = {
         .default_attrs = dump_default_attrs,
 };
 
-static void free_dump_sg_list(struct opal_sg_list *list)
-{
-        struct opal_sg_list *sg1;
-        while (list) {
-                sg1 = list->next;
-                kfree(list);
-                list = sg1;
-        }
-        list = NULL;
-}
-
-static struct opal_sg_list *dump_data_to_sglist(struct dump_obj *dump)
-{
-        struct opal_sg_list *sg1, *list = NULL;
-        void *addr;
-        int64_t size;
-
-        addr = dump->buffer;
-        size = dump->size;
-
-        sg1 = kzalloc(PAGE_SIZE, GFP_KERNEL);
-        if (!sg1)
-                goto nomem;
-
-        list = sg1;
-        sg1->num_entries = 0;
-        while (size > 0) {
-                /* Translate virtual address to physical address */
-                sg1->entry[sg1->num_entries].data =
-                        (void *)(vmalloc_to_pfn(addr) << PAGE_SHIFT);
-
-                if (size > PAGE_SIZE)
-                        sg1->entry[sg1->num_entries].length = PAGE_SIZE;
-                else
-                        sg1->entry[sg1->num_entries].length = size;
-
-                sg1->num_entries++;
-                if (sg1->num_entries >= SG_ENTRIES_PER_NODE) {
-                        sg1->next = kzalloc(PAGE_SIZE, GFP_KERNEL);
-                        if (!sg1->next)
-                                goto nomem;
-
-                        sg1 = sg1->next;
-                        sg1->num_entries = 0;
-                }
-                addr += PAGE_SIZE;
-                size -= PAGE_SIZE;
-        }
-        return list;
-
-nomem:
-        pr_err("%s : Failed to allocate memory\n", __func__);
-        free_dump_sg_list(list);
-        return NULL;
-}
-
-static void sglist_to_phy_addr(struct opal_sg_list *list)
-{
-        struct opal_sg_list *sg, *next;
-
-        for (sg = list; sg; sg = next) {
-                next = sg->next;
-                /* Don't translate NULL pointer for last entry */
-                if (sg->next)
-                        sg->next = (struct opal_sg_list *)__pa(sg->next);
-                else
-                        sg->next = NULL;
-
-                /* Convert num_entries to length */
-                sg->num_entries =
-                        sg->num_entries * sizeof(struct opal_sg_entry) + 16;
-        }
-}
-
-static int64_t dump_read_info(uint32_t *id, uint32_t *size, uint32_t *type)
+static int64_t dump_read_info(uint32_t *dump_id, uint32_t *dump_size, uint32_t *dump_type)
 {
+        __be32 id, size, type;
         int rc;
-        *type = 0xffffffff;
 
-        rc = opal_dump_info2(id, size, type);
+        type = cpu_to_be32(0xffffffff);
 
+        rc = opal_dump_info2(&id, &size, &type);
         if (rc == OPAL_PARAMETER)
-                rc = opal_dump_info(id, size);
+                rc = opal_dump_info(&id, &size);
+
+        *dump_id = be32_to_cpu(id);
+        *dump_size = be32_to_cpu(size);
+        *dump_type = be32_to_cpu(type);
 
         if (rc)
                 pr_warn("%s: Failed to get dump info (%d)\n",
@@ -314,15 +245,12 @@ static int64_t dump_read_data(struct dump_obj *dump)
         }
 
         /* Generate SG list */
-        list = dump_data_to_sglist(dump);
+        list = opal_vmalloc_to_sg_list(dump->buffer, dump->size);
         if (!list) {
                 rc = -ENOMEM;
                 goto out;
         }
 
-        /* Translate sg list addr to real address */
-        sglist_to_phy_addr(list);
-
         /* First entry address */
         addr = __pa(list);
 
@@ -341,7 +269,7 @@ static int64_t dump_read_data(struct dump_obj *dump)
                         __func__, dump->id);
 
         /* Free SG list */
-        free_dump_sg_list(list);
+        opal_free_sg_list(list);
 
 out:
         return rc;
diff --git a/arch/powerpc/platforms/powernv/opal-elog.c b/arch/powerpc/platforms/powernv/opal-elog.c
index ef7bc2a97862..10268c41d830 100644
--- a/arch/powerpc/platforms/powernv/opal-elog.c
+++ b/arch/powerpc/platforms/powernv/opal-elog.c
@@ -238,18 +238,25 @@ static struct elog_obj *create_elog_obj(uint64_t id, size_t size, uint64_t type)
 
 static void elog_work_fn(struct work_struct *work)
 {
-        size_t elog_size;
+        __be64 size;
+        __be64 id;
+        __be64 type;
+        uint64_t elog_size;
         uint64_t log_id;
         uint64_t elog_type;
         int rc;
         char name[2+16+1];
 
-        rc = opal_get_elog_size(&log_id, &elog_size, &elog_type);
+        rc = opal_get_elog_size(&id, &size, &type);
         if (rc != OPAL_SUCCESS) {
                 pr_err("ELOG: Opal log read failed\n");
                 return;
         }
 
+        elog_size = be64_to_cpu(size);
+        log_id = be64_to_cpu(id);
+        elog_type = be64_to_cpu(type);
+
         BUG_ON(elog_size > OPAL_MAX_ERRLOG_SIZE);
 
         if (elog_size >= OPAL_MAX_ERRLOG_SIZE)
diff --git a/arch/powerpc/platforms/powernv/opal-flash.c b/arch/powerpc/platforms/powernv/opal-flash.c
index 714ef972406b..dc487ff04704 100644
--- a/arch/powerpc/platforms/powernv/opal-flash.c
+++ b/arch/powerpc/platforms/powernv/opal-flash.c
@@ -79,9 +79,6 @@
 /* XXX: Assume candidate image size is <= 1GB */
 #define MAX_IMAGE_SIZE  0x40000000
 
-/* Flash sg list version */
-#define SG_LIST_VERSION (1UL)
-
 /* Image status */
 enum {
         IMAGE_INVALID,
@@ -131,11 +128,15 @@ static DEFINE_MUTEX(image_data_mutex);
  */
 static inline void opal_flash_validate(void)
 {
-        struct validate_flash_t *args_buf = &validate_flash_data;
+        long ret;
+        void *buf = validate_flash_data.buf;
+        __be32 size, result;
 
-        args_buf->status = opal_validate_flash(__pa(args_buf->buf),
-                                               &(args_buf->buf_size),
-                                               &(args_buf->result));
+        ret = opal_validate_flash(__pa(buf), &size, &result);
+
+        validate_flash_data.status = ret;
+        validate_flash_data.buf_size = be32_to_cpu(size);
+        validate_flash_data.result = be32_to_cpu(result);
 }
 
 /*
@@ -268,93 +269,11 @@ static ssize_t manage_store(struct kobject *kobj,
 }
 
 /*
- * Free sg list
- */
-static void free_sg_list(struct opal_sg_list *list)
-{
-        struct opal_sg_list *sg1;
-        while (list) {
-                sg1 = list->next;
-                kfree(list);
-                list = sg1;
-        }
-        list = NULL;
-}
-
-/*
- * Build candidate image scatter gather list
- *
- * list format:
- *   -----------------------------------
- *  |  VER (8) | Entry length in bytes  |
- *   -----------------------------------
- *  |  Pointer to next entry            |
- *   -----------------------------------
- *  |  Address of memory area 1         |
- *   -----------------------------------
- *  |  Length of memory area 1          |
- *   -----------------------------------
- *  |   .........                       |
- *   -----------------------------------
- *  |   .........                       |
- *   -----------------------------------
- *  |  Address of memory area N         |
- *   -----------------------------------
- *  |  Length of memory area N          |
- *   -----------------------------------
- */
-static struct opal_sg_list *image_data_to_sglist(void)
-{
-        struct opal_sg_list *sg1, *list = NULL;
-        void *addr;
-        int size;
-
-        addr = image_data.data;
-        size = image_data.size;
-
-        sg1 = kzalloc(PAGE_SIZE, GFP_KERNEL);
-        if (!sg1)
-                return NULL;
-
-        list = sg1;
-        sg1->num_entries = 0;
-        while (size > 0) {
-                /* Translate virtual address to physical address */
-                sg1->entry[sg1->num_entries].data =
-                        (void *)(vmalloc_to_pfn(addr) << PAGE_SHIFT);
-
-                if (size > PAGE_SIZE)
-                        sg1->entry[sg1->num_entries].length = PAGE_SIZE;
-                else
-                        sg1->entry[sg1->num_entries].length = size;
-
-                sg1->num_entries++;
-                if (sg1->num_entries >= SG_ENTRIES_PER_NODE) {
-                        sg1->next = kzalloc(PAGE_SIZE, GFP_KERNEL);
-                        if (!sg1->next) {
-                                pr_err("%s : Failed to allocate memory\n",
-                                       __func__);
-                                goto nomem;
-                        }
-
-                        sg1 = sg1->next;
-                        sg1->num_entries = 0;
-                }
-                addr += PAGE_SIZE;
-                size -= PAGE_SIZE;
-        }
-        return list;
-nomem:
-        free_sg_list(list);
-        return NULL;
-}
-
-/*
  * OPAL update flash
  */
 static int opal_flash_update(int op)
 {
-        struct opal_sg_list *sg, *list, *next;
+        struct opal_sg_list *list;
         unsigned long addr;
         int64_t rc = OPAL_PARAMETER;
 
@@ -364,30 +283,13 @@ static int opal_flash_update(int op)
                 goto flash;
         }
 
-        list = image_data_to_sglist();
+        list = opal_vmalloc_to_sg_list(image_data.data, image_data.size);
         if (!list)
                 goto invalid_img;
 
         /* First entry address */
         addr = __pa(list);
 
-        /* Translate sg list address to absolute */
-        for (sg = list; sg; sg = next) {
-                next = sg->next;
-                /* Don't translate NULL pointer for last entry */
-                if (sg->next)
-                        sg->next = (struct opal_sg_list *)__pa(sg->next);
-                else
-                        sg->next = NULL;
-
-                /*
-                 * Convert num_entries to version/length format
-                 * to satisfy OPAL.
-                 */
-                sg->num_entries = (SG_LIST_VERSION << 56) |
-                        (sg->num_entries * sizeof(struct opal_sg_entry) + 16);
-        }
-
         pr_alert("FLASH: Image is %u bytes\n", image_data.size);
         pr_alert("FLASH: Image update requested\n");
         pr_alert("FLASH: Image will be updated during system reboot\n");
diff --git a/arch/powerpc/platforms/powernv/opal-sysparam.c b/arch/powerpc/platforms/powernv/opal-sysparam.c
index 6b614726baf2..d202f9bc3683 100644
--- a/arch/powerpc/platforms/powernv/opal-sysparam.c
+++ b/arch/powerpc/platforms/powernv/opal-sysparam.c
@@ -39,10 +39,11 @@ struct param_attr {
         struct kobj_attribute kobj_attr;
 };
 
-static int opal_get_sys_param(u32 param_id, u32 length, void *buffer)
+static ssize_t opal_get_sys_param(u32 param_id, u32 length, void *buffer)
 {
         struct opal_msg msg;
-        int ret, token;
+        ssize_t ret;
+        int token;
 
         token = opal_async_get_token_interruptible();
         if (token < 0) {
@@ -59,7 +60,7 @@ static int opal_get_sys_param(u32 param_id, u32 length, void *buffer)
 
         ret = opal_async_wait_response(token, &msg);
         if (ret) {
-                pr_err("%s: Failed to wait for the async response, %d\n",
+                pr_err("%s: Failed to wait for the async response, %zd\n",
                                 __func__, ret);
                 goto out_token;
         }
@@ -111,7 +112,7 @@ static ssize_t sys_param_show(struct kobject *kobj,
 {
         struct param_attr *attr = container_of(kobj_attr, struct param_attr,
                         kobj_attr);
-        int ret;
+        ssize_t ret;
 
         mutex_lock(&opal_sysparam_mutex);
         ret = opal_get_sys_param(attr->param_id, attr->param_size,
@@ -121,9 +122,10 @@ static ssize_t sys_param_show(struct kobject *kobj,
 
         memcpy(buf, param_data_buf, attr->param_size);
 
+        ret = attr->param_size;
 out:
         mutex_unlock(&opal_sysparam_mutex);
-        return ret ? ret : attr->param_size;
+        return ret;
 }
 
 static ssize_t sys_param_store(struct kobject *kobj,
@@ -131,14 +133,20 @@ static ssize_t sys_param_store(struct kobject *kobj,
 {
         struct param_attr *attr = container_of(kobj_attr, struct param_attr,
                         kobj_attr);
-        int ret;
+        ssize_t ret;
+
+        /* MAX_PARAM_DATA_LEN is sizeof(param_data_buf) */
+        if (count > MAX_PARAM_DATA_LEN)
+                count = MAX_PARAM_DATA_LEN;
 
         mutex_lock(&opal_sysparam_mutex);
         memcpy(param_data_buf, buf, count);
         ret = opal_set_sys_param(attr->param_id, attr->param_size,
                         param_data_buf);
         mutex_unlock(&opal_sysparam_mutex);
-        return ret ? ret : count;
+        if (!ret)
+                ret = count;
+        return ret;
 }
 
 void __init opal_sys_param_init(void)
@@ -214,13 +222,13 @@ void __init opal_sys_param_init(void)
         }
 
         if (of_property_read_u32_array(sysparam, "param-len", size, count)) {
-                pr_err("SYSPARAM: Missing propery param-len in the DT\n");
+                pr_err("SYSPARAM: Missing property param-len in the DT\n");
                 goto out_free_perm;
         }
 
 
         if (of_property_read_u8_array(sysparam, "param-perm", perm, count)) {
-                pr_err("SYSPARAM: Missing propery param-perm in the DT\n");
+                pr_err("SYSPARAM: Missing property param-perm in the DT\n");
                 goto out_free_perm;
         }
 
@@ -233,6 +241,12 @@ void __init opal_sys_param_init(void)
 
         /* For each of the parameters, populate the parameter attributes */
         for (i = 0; i < count; i++) {
+                if (size[i] > MAX_PARAM_DATA_LEN) {
+                        pr_warn("SYSPARAM: Not creating parameter %d as size "
+                                "exceeds buffer length\n", i);
+                        continue;
+                }
+
                 sysfs_attr_init(&attr[i].kobj_attr.attr);
                 attr[i].param_id = id[i];
                 attr[i].param_size = size[i];
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index 49d2f00019e5..360ad80c754c 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -242,14 +242,14 @@ void opal_notifier_update_evt(uint64_t evt_mask,
 void opal_notifier_enable(void)
 {
         int64_t rc;
-        uint64_t evt = 0;
+        __be64 evt = 0;
 
         atomic_set(&opal_notifier_hold, 0);
 
         /* Process pending events */
         rc = opal_poll_events(&evt);
         if (rc == OPAL_SUCCESS && evt)
-                opal_do_notifier(evt);
+                opal_do_notifier(be64_to_cpu(evt));
 }
 
 void opal_notifier_disable(void)
@@ -529,7 +529,7 @@ static irqreturn_t opal_interrupt(int irq, void *data)
 
         opal_handle_interrupt(virq_to_hw(irq), &events);
 
-        opal_do_notifier(events);
+        opal_do_notifier(be64_to_cpu(events));
 
         return IRQ_HANDLED;
 }
@@ -638,3 +638,66 @@ void opal_shutdown(void)
 
 /* Export this so that test modules can use it */
 EXPORT_SYMBOL_GPL(opal_invalid_call);
+
+/* Convert a region of vmalloc memory to an opal sg list */
+struct opal_sg_list *opal_vmalloc_to_sg_list(void *vmalloc_addr,
+                                             unsigned long vmalloc_size)
+{
+        struct opal_sg_list *sg, *first = NULL;
+        unsigned long i = 0;
+
+        sg = kzalloc(PAGE_SIZE, GFP_KERNEL);
+        if (!sg)
+                goto nomem;
+
+        first = sg;
+
+        while (vmalloc_size > 0) {
+                uint64_t data = vmalloc_to_pfn(vmalloc_addr) << PAGE_SHIFT;
+                uint64_t length = min(vmalloc_size, PAGE_SIZE);
+
+                sg->entry[i].data = cpu_to_be64(data);
+                sg->entry[i].length = cpu_to_be64(length);
+                i++;
+
+                if (i >= SG_ENTRIES_PER_NODE) {
+                        struct opal_sg_list *next;
+
+                        next = kzalloc(PAGE_SIZE, GFP_KERNEL);
+                        if (!next)
+                                goto nomem;
+
+                        sg->length = cpu_to_be64(
+                                        i * sizeof(struct opal_sg_entry) + 16);
+                        i = 0;
+                        sg->next = cpu_to_be64(__pa(next));
+                        sg = next;
+                }
+
+                vmalloc_addr += length;
+                vmalloc_size -= length;
+        }
+
+        sg->length = cpu_to_be64(i * sizeof(struct opal_sg_entry) + 16);
+
+        return first;
+
+nomem:
+        pr_err("%s : Failed to allocate memory\n", __func__);
+        opal_free_sg_list(first);
+        return NULL;
+}
+
+void opal_free_sg_list(struct opal_sg_list *sg)
+{
+        while (sg) {
+                uint64_t next = be64_to_cpu(sg->next);
+
+                kfree(sg);
+
+                if (next)
+                        sg = __va(next);
+                else
+                        sg = NULL;
+        }
+}
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 3b2b4fb3585b..98824aa99173 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -343,7 +343,6 @@ static void pnv_ioda_setup_same_PE(struct pci_bus *bus, struct pnv_ioda_pe *pe)
                                 pci_name(dev));
                         continue;
                 }
-                pci_dev_get(dev);
                 pdn->pcidev = dev;
                 pdn->pe_number = pe->pe_number;
                 pe->dma_weight += pnv_ioda_dma_weight(dev);
@@ -462,7 +461,7 @@ static void pnv_pci_ioda_dma_dev_setup(struct pnv_phb *phb, struct pci_dev *pdev
 
         pe = &phb->ioda.pe_array[pdn->pe_number];
         WARN_ON(get_dma_ops(&pdev->dev) != &dma_iommu_ops);
-        set_iommu_table_base_and_group(&pdev->dev, &pe->tce32_table);
+        set_iommu_table_base(&pdev->dev, &pe->tce32_table);
 }
 
 static int pnv_pci_ioda_dma_set_mask(struct pnv_phb *phb,
diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
index 61cf8fa9c61b..8723d32632f5 100644
--- a/arch/powerpc/platforms/powernv/setup.c
+++ b/arch/powerpc/platforms/powernv/setup.c
@@ -162,18 +162,62 @@ static void pnv_shutdown(void)
 }
 
 #ifdef CONFIG_KEXEC
+static void pnv_kexec_wait_secondaries_down(void)
+{
+        int my_cpu, i, notified = -1;
+
+        my_cpu = get_cpu();
+
+        for_each_online_cpu(i) {
+                uint8_t status;
+                int64_t rc;
+
+                if (i == my_cpu)
+                        continue;
+
+                for (;;) {
+                        rc = opal_query_cpu_status(get_hard_smp_processor_id(i),
+                                                   &status);
+                        if (rc != OPAL_SUCCESS || status != OPAL_THREAD_STARTED)
+                                break;
+                        barrier();
+                        if (i != notified) {
+                                printk(KERN_INFO "kexec: waiting for cpu %d "
+                                       "(physical %d) to enter OPAL\n",
+                                       i, paca[i].hw_cpu_id);
+                                notified = i;
+                        }
+                }
+        }
+}
+
 static void pnv_kexec_cpu_down(int crash_shutdown, int secondary)
 {
         xics_kexec_teardown_cpu(secondary);
 
-        /* Return secondary CPUs to firmware on OPAL v3 */
-        if (firmware_has_feature(FW_FEATURE_OPALv3) && secondary) {
+        /* On OPAL v3, we return all CPUs to firmware */
+
+        if (!firmware_has_feature(FW_FEATURE_OPALv3))
+                return;
+
+        if (secondary) {
+                /* Return secondary CPUs to firmware on OPAL v3 */
                 mb();
                 get_paca()->kexec_state = KEXEC_STATE_REAL_MODE;
                 mb();
 
                 /* Return the CPU to OPAL */
                 opal_return_cpu();
+        } else if (crash_shutdown) {
+                /*
+                 * On crash, we don't wait for secondaries to go
+                 * down as they might be unreachable or hung, so
+                 * instead we just wait a bit and move on.
+                 */
+                mdelay(1);
+        } else {
+                /* Primary waits for the secondaries to have reached OPAL */
+                pnv_kexec_wait_secondaries_down();
         }
 }
 #endif /* CONFIG_KEXEC */
diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c
index 908672bdcea6..bf5fcd452168 100644
--- a/arch/powerpc/platforms/powernv/smp.c
+++ b/arch/powerpc/platforms/powernv/smp.c
@@ -30,6 +30,7 @@
 #include <asm/cputhreads.h>
 #include <asm/xics.h>
 #include <asm/opal.h>
+#include <asm/runlatch.h>
 
 #include "powernv.h"
 
@@ -156,7 +157,9 @@ static void pnv_smp_cpu_kill_self(void)
          */
         mtspr(SPRN_LPCR, mfspr(SPRN_LPCR) & ~(u64)LPCR_PECE1);
         while (!generic_check_cpu_restart(cpu)) {
+                ppc64_runlatch_off();
                 power7_nap();
+                ppc64_runlatch_on();
                 if (!generic_check_cpu_restart(cpu)) {
                         DBG("CPU%d Unexpected exit while offline !\n", cpu);
                         /* We may be getting an IPI, so we re-enable
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index 9b8e05078a63..20d62975856f 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -88,13 +88,14 @@ void set_default_offline_state(int cpu)
 
 static void rtas_stop_self(void)
 {
-        struct rtas_args args = {
-                .token = cpu_to_be32(rtas_stop_self_token),
+        static struct rtas_args args = {
                 .nargs = 0,
                 .nret = 1,
                 .rets = &args.args[0],
         };
 
+        args.token = cpu_to_be32(rtas_stop_self_token);
+
         local_irq_disable();
 
         BUG_ON(rtas_stop_self_token == RTAS_UNKNOWN_SERVICE);
diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index 573b488fc48b..7f75c94af822 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -100,10 +100,10 @@ static int pseries_remove_memblock(unsigned long base, unsigned int memblock_siz
 
         start_pfn = base >> PAGE_SHIFT;
 
-        if (!pfn_valid(start_pfn)) {
-                memblock_remove(base, memblock_size);
-                return 0;
-        }
+        lock_device_hotplug();
+
+        if (!pfn_valid(start_pfn))
+                goto out;
 
         block_sz = memory_block_size_bytes();
         sections_per_block = block_sz / MIN_MEMORY_BLOCK_SIZE;
@@ -114,8 +114,10 @@ static int pseries_remove_memblock(unsigned long base, unsigned int memblock_siz
                 base += MIN_MEMORY_BLOCK_SIZE;
         }
 
+out:
         /* Update memory regions for memory remove */
         memblock_remove(base, memblock_size);
+        unlock_device_hotplug();
         return 0;
 }
 
diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c
index 64603a10b863..4914fd3f41ec 100644
--- a/arch/powerpc/sysdev/ppc4xx_pci.c
+++ b/arch/powerpc/sysdev/ppc4xx_pci.c
@@ -1058,7 +1058,7 @@ static int __init apm821xx_pciex_core_init(struct device_node *np)
         return 1;
 }
 
-static int apm821xx_pciex_init_port_hw(struct ppc4xx_pciex_port *port)
+static int __init apm821xx_pciex_init_port_hw(struct ppc4xx_pciex_port *port)
 {
         u32 val;
 
diff --git a/arch/s390/include/asm/ccwgroup.h b/arch/s390/include/asm/ccwgroup.h
index 6e670f88d125..ebc2913f9ee0 100644
--- a/arch/s390/include/asm/ccwgroup.h
+++ b/arch/s390/include/asm/ccwgroup.h
@@ -22,8 +22,8 @@ struct ccwgroup_device {
 /* public: */
         unsigned int count;
         struct device   dev;
-        struct ccw_device *cdev[0];
         struct work_struct ungroup_work;
+        struct ccw_device *cdev[0];
 };
 
 /**
diff --git a/arch/s390/include/asm/sigp.h b/arch/s390/include/asm/sigp.h
index d091aa1aaf11..bf9c823d4020 100644
--- a/arch/s390/include/asm/sigp.h
+++ b/arch/s390/include/asm/sigp.h
@@ -31,4 +31,23 @@
 #define SIGP_STATUS_INCORRECT_STATE     0x00000200UL
 #define SIGP_STATUS_NOT_RUNNING         0x00000400UL
 
+#ifndef __ASSEMBLY__
+
+static inline int __pcpu_sigp(u16 addr, u8 order, u32 parm, u32 *status)
+{
+        register unsigned int reg1 asm ("1") = parm;
+        int cc;
+
+        asm volatile(
+                "       sigp    %1,%2,0(%3)\n"
+                "       ipm     %0\n"
+                "       srl     %0,28\n"
+                : "=d" (cc), "+d" (reg1) : "d" (addr), "a" (order) : "cc");
+        if (status && cc == 1)
+                *status = reg1;
+        return cc;
+}
+
+#endif /* __ASSEMBLY__ */
+
 #endif /* __S390_ASM_SIGP_H */
diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h
index 160779394096..21703f85b48d 100644
--- a/arch/s390/include/asm/smp.h
+++ b/arch/s390/include/asm/smp.h
@@ -7,6 +7,8 @@
 #ifndef __ASM_SMP_H
 #define __ASM_SMP_H
 
+#include <asm/sigp.h>
+
 #ifdef CONFIG_SMP
 
 #include <asm/lowcore.h>
@@ -50,9 +52,18 @@ static inline int smp_store_status(int cpu) { return 0; }
 static inline int smp_vcpu_scheduled(int cpu) { return 1; }
 static inline void smp_yield_cpu(int cpu) { }
 static inline void smp_yield(void) { }
-static inline void smp_stop_cpu(void) { }
 static inline void smp_fill_possible_mask(void) { }
 
+static inline void smp_stop_cpu(void)
+{
+        u16 pcpu = stap();
+
+        for (;;) {
+                __pcpu_sigp(pcpu, SIGP_STOP, 0, NULL);
+                cpu_relax();
+        }
+}
+
 #endif /* CONFIG_SMP */
 
 #ifdef CONFIG_HOTPLUG_CPU
diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h
index c544b6f05d95..a25f09fbaf36 100644
--- a/arch/s390/include/asm/tlb.h
+++ b/arch/s390/include/asm/tlb.h
@@ -59,12 +59,23 @@ static inline void tlb_gather_mmu(struct mmu_gather *tlb,
         tlb->batch = NULL;
 }
 
-static inline void tlb_flush_mmu(struct mmu_gather *tlb)
+static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
 {
         __tlb_flush_mm_lazy(tlb->mm);
+}
+
+static inline void tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
         tlb_table_flush(tlb);
 }
 
+
+static inline void tlb_flush_mmu(struct mmu_gather *tlb)
+{
+        tlb_flush_mmu_tlbonly(tlb);
+        tlb_flush_mmu_free(tlb);
+}
+
 static inline void tlb_finish_mmu(struct mmu_gather *tlb,
                                   unsigned long start, unsigned long end)
 {
diff --git a/arch/s390/include/uapi/asm/unistd.h b/arch/s390/include/uapi/asm/unistd.h
index 5eb5c9ddb120..3802d2d3a18d 100644
--- a/arch/s390/include/uapi/asm/unistd.h
+++ b/arch/s390/include/uapi/asm/unistd.h
@@ -282,7 +282,8 @@
 #define __NR_finit_module       344
 #define __NR_sched_setattr      345
 #define __NR_sched_getattr      346
-#define NR_syscalls 345
+#define __NR_renameat2          347
+#define NR_syscalls 348
 
 /* 
  * There are some system calls that are not present on 64 bit, some
diff --git a/arch/s390/kernel/compat_wrapper.c b/arch/s390/kernel/compat_wrapper.c
index 824c39dfddfc..45cdb37aa6f8 100644
--- a/arch/s390/kernel/compat_wrapper.c
+++ b/arch/s390/kernel/compat_wrapper.c
@@ -1,5 +1,5 @@
 /*
- *  Compat sytem call wrappers.
+ *  Compat system call wrappers.
  *
  *    Copyright IBM Corp. 2014
  */
@@ -213,3 +213,4 @@ COMPAT_SYSCALL_WRAP5(kcmp, pid_t, pid1, pid_t, pid2, int, type, unsigned long, i
 COMPAT_SYSCALL_WRAP3(finit_module, int, fd, const char __user *, uargs, int, flags);
 COMPAT_SYSCALL_WRAP3(sched_setattr, pid_t, pid, struct sched_attr __user *, attr, unsigned int, flags);
 COMPAT_SYSCALL_WRAP4(sched_getattr, pid_t, pid, struct sched_attr __user *, attr, unsigned int, size, unsigned int, flags);
+COMPAT_SYSCALL_WRAP5(renameat2, int, olddfd, const char __user *, oldname, int, newdfd, const char __user *, newname, unsigned int, flags);
diff --git a/arch/s390/kernel/dumpstack.c b/arch/s390/kernel/dumpstack.c
index e6af9406987c..acb412442e5e 100644
--- a/arch/s390/kernel/dumpstack.c
+++ b/arch/s390/kernel/dumpstack.c
@@ -144,10 +144,10 @@ void show_registers(struct pt_regs *regs)
         char *mode;
 
         mode = user_mode(regs) ? "User" : "Krnl";
-        printk("%s PSW : %p %p (%pSR)\n",
-               mode, (void *) regs->psw.mask,
-               (void *) regs->psw.addr,
-               (void *) regs->psw.addr);
+        printk("%s PSW : %p %p", mode, (void *)regs->psw.mask, (void *)regs->psw.addr);
+        if (!user_mode(regs))
+                printk(" (%pSR)", (void *)regs->psw.addr);
+        printk("\n");
         printk("           R:%x T:%x IO:%x EX:%x Key:%x M:%x W:%x "
                "P:%x AS:%x CC:%x PM:%x", mask_bits(regs, PSW_MASK_PER),
                mask_bits(regs, PSW_MASK_DAT), mask_bits(regs, PSW_MASK_IO),
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 4ac8fafec95f..1c82619eb4f7 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -64,7 +64,7 @@ void update_cr_regs(struct task_struct *task)
                 if (task->thread.per_flags & PER_FLAG_NO_TE)
                         cr_new &= ~(1UL << 55);
                 if (cr_new != cr)
-                        __ctl_load(cr, 0, 0);
+                        __ctl_load(cr_new, 0, 0);
                 /* Set or clear transaction execution TDC bits 62 and 63. */
                 __ctl_store(cr, 2, 2);
                 cr_new = cr & ~3UL;
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index f70f2489fa5f..88d1ca81e2dd 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -1027,3 +1027,35 @@ void __init setup_arch(char **cmdline_p)
         /* Setup zfcpdump support */
         setup_zfcpdump();
 }
+
+#ifdef CONFIG_32BIT
+static int no_removal_warning __initdata;
+
+static int __init parse_no_removal_warning(char *str)
+{
+        no_removal_warning = 1;
+        return 0;
+}
+__setup("no_removal_warning", parse_no_removal_warning);
+
+static int __init removal_warning(void)
+{
+        if (no_removal_warning)
+                return 0;
+        printk(KERN_ALERT "\n\n");
+        printk(KERN_CONT "Warning - you are using a 31 bit kernel!\n\n");
+        printk(KERN_CONT "We plan to remove 31 bit kernel support from the kernel sources in March 2015.\n");
+        printk(KERN_CONT "Currently we assume that nobody is using the 31 bit kernel on old 31 bit\n");
+        printk(KERN_CONT "hardware anymore. If you think that the code should not be removed and also\n");
+        printk(KERN_CONT "future versions of the Linux kernel should be able to run in 31 bit mode\n");
+        printk(KERN_CONT "please let us know. Please write to:\n");
+        printk(KERN_CONT "linux390@de.ibm.com (mail address) and/or\n");
+        printk(KERN_CONT "linux-s390@vger.kernel.org (mailing list).\n\n");
+        printk(KERN_CONT "Thank you!\n\n");
+        printk(KERN_CONT "If this kernel runs on a 64 bit machine you may consider using a 64 bit kernel.\n");
+        printk(KERN_CONT "This message can be disabled with the \"no_removal_warning\" kernel parameter.\n");
+        schedule_timeout_uninterruptible(300 * HZ);
+        return 0;
+}
+early_initcall(removal_warning);
+#endif
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 512ce1cde2a4..86e65ec3422b 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -82,21 +82,6 @@ DEFINE_MUTEX(smp_cpu_state_mutex);
 /*
  * Signal processor helper functions.
  */
-static inline int __pcpu_sigp(u16 addr, u8 order, u32 parm, u32 *status)
-{
-        register unsigned int reg1 asm ("1") = parm;
-        int cc;
-
-        asm volatile(
-                "       sigp    %1,%2,0(%3)\n"
-                "       ipm     %0\n"
-                "       srl     %0,28\n"
-                : "=d" (cc), "+d" (reg1) : "d" (addr), "a" (order) : "cc");
-        if (status && cc == 1)
-                *status = reg1;
-        return cc;
-}
-
 static inline int __pcpu_sigp_relax(u16 addr, u8 order, u32 parm, u32 *status)
 {
         int cc;
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 542ef488bac1..fe5cdf29a001 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -355,3 +355,4 @@ SYSCALL(sys_kcmp,sys_kcmp,compat_sys_kcmp)
 SYSCALL(sys_finit_module,sys_finit_module,compat_sys_finit_module)
 SYSCALL(sys_sched_setattr,sys_sched_setattr,compat_sys_sched_setattr) /* 345 */
 SYSCALL(sys_sched_getattr,sys_sched_getattr,compat_sys_sched_getattr)
+SYSCALL(sys_renameat2,sys_renameat2,compat_sys_renameat2)
diff --git a/arch/s390/lib/uaccess.c b/arch/s390/lib/uaccess.c
index 23f866b4c7f1..7416efe8eae4 100644
--- a/arch/s390/lib/uaccess.c
+++ b/arch/s390/lib/uaccess.c
@@ -338,9 +338,6 @@ static inline unsigned long strnlen_user_srst(const char __user *src,
         register unsigned long reg0 asm("0") = 0;
         unsigned long tmp1, tmp2;
 
-        if (unlikely(!size))
-                return 0;
-        update_primary_asce(current);
         asm volatile(
                 "   la    %2,0(%1)\n"
                 "   la    %3,0(%0,%1)\n"
@@ -359,6 +356,8 @@ static inline unsigned long strnlen_user_srst(const char __user *src,
 
 unsigned long __strnlen_user(const char __user *src, unsigned long size)
 {
+        if (unlikely(!size))
+                return 0;
         update_primary_asce(current);
         return strnlen_user_srst(src, size);
 }
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 19f623f1f21c..2f51a998a67e 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -126,6 +126,133 @@ static inline int user_space_fault(struct pt_regs *regs)
         return 0;
 }
 
+static int bad_address(void *p)
+{
+        unsigned long dummy;
+
+        return probe_kernel_address((unsigned long *)p, dummy);
+}
+
+#ifdef CONFIG_64BIT
+static void dump_pagetable(unsigned long asce, unsigned long address)
+{
+        unsigned long *table = __va(asce & PAGE_MASK);
+
+        pr_alert("AS:%016lx ", asce);
+        switch (asce & _ASCE_TYPE_MASK) {
+        case _ASCE_TYPE_REGION1:
+                table = table + ((address >> 53) & 0x7ff);
+                if (bad_address(table))
+                        goto bad;
+                pr_cont("R1:%016lx ", *table);
+                if (*table & _REGION_ENTRY_INVALID)
+                        goto out;
+                table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
+                /* fallthrough */
+        case _ASCE_TYPE_REGION2:
+                table = table + ((address >> 42) & 0x7ff);
+                if (bad_address(table))
+                        goto bad;
+                pr_cont("R2:%016lx ", *table);
+                if (*table & _REGION_ENTRY_INVALID)
+                        goto out;
+                table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
+                /* fallthrough */
+        case _ASCE_TYPE_REGION3:
+                table = table + ((address >> 31) & 0x7ff);
+                if (bad_address(table))
+                        goto bad;
+                pr_cont("R3:%016lx ", *table);
+                if (*table & (_REGION_ENTRY_INVALID | _REGION3_ENTRY_LARGE))
+                        goto out;
+                table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
+                /* fallthrough */
+        case _ASCE_TYPE_SEGMENT:
+                table = table + ((address >> 20) & 0x7ff);
+                if (bad_address(table))
+                        goto bad;
+                pr_cont(KERN_CONT "S:%016lx ", *table);
+                if (*table & (_SEGMENT_ENTRY_INVALID | _SEGMENT_ENTRY_LARGE))
+                        goto out;
+                table = (unsigned long *)(*table & _SEGMENT_ENTRY_ORIGIN);
+        }
+        table = table + ((address >> 12) & 0xff);
+        if (bad_address(table))
+                goto bad;
+        pr_cont("P:%016lx ", *table);
+out:
+        pr_cont("\n");
+        return;
+bad:
+        pr_cont("BAD\n");
+}
+
+#else /* CONFIG_64BIT */
+
+static void dump_pagetable(unsigned long asce, unsigned long address)
+{
+        unsigned long *table = __va(asce & PAGE_MASK);
+
+        pr_alert("AS:%08lx ", asce);
+        table = table + ((address >> 20) & 0x7ff);
+        if (bad_address(table))
+                goto bad;
+        pr_cont("S:%08lx ", *table);
+        if (*table & _SEGMENT_ENTRY_INVALID)
+                goto out;
+        table = (unsigned long *)(*table & _SEGMENT_ENTRY_ORIGIN);
+        table = table + ((address >> 12) & 0xff);
+        if (bad_address(table))
+                goto bad;
+        pr_cont("P:%08lx ", *table);
+out:
+        pr_cont("\n");
+        return;
+bad:
+        pr_cont("BAD\n");
+}
+
+#endif /* CONFIG_64BIT */
+
+static void dump_fault_info(struct pt_regs *regs)
+{
+        unsigned long asce;
+
+        pr_alert("Fault in ");
+        switch (regs->int_parm_long & 3) {
+        case 3:
+                pr_cont("home space ");
+                break;
+        case 2:
+                pr_cont("secondary space ");
+                break;
+        case 1:
+                pr_cont("access register ");
+                break;
+        case 0:
+                pr_cont("primary space ");
+                break;
+        }
+        pr_cont("mode while using ");
+        if (!user_space_fault(regs)) {
+                asce = S390_lowcore.kernel_asce;
+                pr_cont("kernel ");
+        }
+#ifdef CONFIG_PGSTE
+        else if ((current->flags & PF_VCPU) && S390_lowcore.gmap) {
+                struct gmap *gmap = (struct gmap *)S390_lowcore.gmap;
+                asce = gmap->asce;
+                pr_cont("gmap ");
+        }
+#endif
+        else {
+                asce = S390_lowcore.user_asce;
+                pr_cont("user ");
+        }
+        pr_cont("ASCE.\n");
+        dump_pagetable(asce, regs->int_parm_long & __FAIL_ADDR_MASK);
+}
+
 static inline void report_user_fault(struct pt_regs *regs, long signr)
 {
         if ((task_pid_nr(current) > 1) && !show_unhandled_signals)
@@ -138,8 +265,9 @@ static inline void report_user_fault(struct pt_regs *regs, long signr)
                regs->int_code);
         print_vma_addr(KERN_CONT "in ", regs->psw.addr & PSW_ADDR_INSN);
         printk(KERN_CONT "\n");
-        printk(KERN_ALERT "failing address: %lX\n",
-               regs->int_parm_long & __FAIL_ADDR_MASK);
+        printk(KERN_ALERT "failing address: %016lx TEID: %016lx\n",
+               regs->int_parm_long & __FAIL_ADDR_MASK, regs->int_parm_long);
+        dump_fault_info(regs);
         show_regs(regs);
 }
 
@@ -177,11 +305,13 @@ static noinline void do_no_context(struct pt_regs *regs)
         address = regs->int_parm_long & __FAIL_ADDR_MASK;
         if (!user_space_fault(regs))
                 printk(KERN_ALERT "Unable to handle kernel pointer dereference"
-                       " at virtual kernel address %p\n", (void *)address);
+                       " in virtual kernel address space\n");
         else
                 printk(KERN_ALERT "Unable to handle kernel paging request"
-                       " at virtual user address %p\n", (void *)address);
-
+                       " in virtual user address space\n");
+        printk(KERN_ALERT "failing address: %016lx TEID: %016lx\n",
+               regs->int_parm_long & __FAIL_ADDR_MASK, regs->int_parm_long);
+        dump_fault_info(regs);
         die(regs, "Oops");
         do_exit(SIGKILL);
 }
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 9c36dc398f90..452d3ebd9d0f 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -276,7 +276,6 @@ static void bpf_jit_noleaks(struct bpf_jit *jit, struct sock_filter *filter)
         case BPF_S_LD_W_IND:
         case BPF_S_LD_H_IND:
         case BPF_S_LD_B_IND:
-        case BPF_S_LDX_B_MSH:
         case BPF_S_LD_IMM:
         case BPF_S_LD_MEM:
         case BPF_S_MISC_TXA:
diff --git a/arch/sh/include/asm/tlb.h b/arch/sh/include/asm/tlb.h
index 362192ed12fe..62f80d2a9df9 100644
--- a/arch/sh/include/asm/tlb.h
+++ b/arch/sh/include/asm/tlb.h
@@ -86,6 +86,14 @@ tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma)
         }
 }
 
+static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
+{
+}
+
+static inline void tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
+}
+
 static inline void tlb_flush_mmu(struct mmu_gather *tlb)
 {
 }
diff --git a/arch/um/include/asm/tlb.h b/arch/um/include/asm/tlb.h
index 29b0301c18aa..16eb63fac57d 100644
--- a/arch/um/include/asm/tlb.h
+++ b/arch/um/include/asm/tlb.h
@@ -59,13 +59,25 @@ extern void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start,
                                unsigned long end);
 
 static inline void
+tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
+{
+        flush_tlb_mm_range(tlb->mm, tlb->start, tlb->end);
+}
+
+static inline void
+tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
+        init_tlb_gather(tlb);
+}
+
+static inline void
 tlb_flush_mmu(struct mmu_gather *tlb)
 {
         if (!tlb->need_flush)
                 return;
 
-        flush_tlb_mm_range(tlb->mm, tlb->start, tlb->end);
-        init_tlb_gather(tlb);
+        tlb_flush_mmu_tlbonly(tlb);
+        tlb_flush_mmu_free(tlb);
 }
 
 /* tlb_finish_mmu
diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h
index 75298d3358e7..08eec0b691b0 100644
--- a/arch/um/include/shared/os.h
+++ b/arch/um/include/shared/os.h
@@ -136,6 +136,7 @@ extern int os_ioctl_generic(int fd, unsigned int cmd, unsigned long arg);
 extern int os_get_ifname(int fd, char *namebuf);
 extern int os_set_slip(int fd);
 extern int os_mode_fd(int fd, int mode);
+extern int os_fsync_file(int fd);
 
 extern int os_seek_file(int fd, unsigned long long offset);
 extern int os_open_file(const char *file, struct openflags flags, int mode);
diff --git a/arch/um/kernel/physmem.c b/arch/um/kernel/physmem.c
index f116db15d402..30fdd5d0067b 100644
--- a/arch/um/kernel/physmem.c
+++ b/arch/um/kernel/physmem.c
@@ -103,6 +103,7 @@ void __init setup_physmem(unsigned long start, unsigned long reserve_end,
          */
         os_seek_file(physmem_fd, __pa(&__syscall_stub_start));
         os_write_file(physmem_fd, &__syscall_stub_start, PAGE_SIZE);
+        os_fsync_file(physmem_fd);
 
         bootmap_size = init_bootmem(pfn, pfn + delta);
         free_bootmem(__pa(reserve_end) + bootmap_size,
diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c
index 07a750197bb0..08d90fba952c 100644
--- a/arch/um/os-Linux/file.c
+++ b/arch/um/os-Linux/file.c
@@ -237,6 +237,12 @@ void os_close_file(int fd)
 {
         close(fd);
 }
+int os_fsync_file(int fd)
+{
+        if (fsync(fd) < 0)
+            return -errno;
+        return 0;
+}
 
 int os_seek_file(int fd, unsigned long long offset)
 {
diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c
index e1704ff600ff..df9191acd926 100644
--- a/arch/um/os-Linux/main.c
+++ b/arch/um/os-Linux/main.c
@@ -151,6 +151,7 @@ int __init main(int argc, char **argv, char **envp)
 #endif
 
         do_uml_initcalls();
+        change_sig(SIGPIPE, 0);
         ret = linux_main(argc, argv);
 
         /*
diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c
index 3c4af77e51a2..897e9ad0c108 100644
--- a/arch/um/os-Linux/mem.c
+++ b/arch/um/os-Linux/mem.c
@@ -12,337 +12,117 @@
 #include <string.h>
 #include <sys/stat.h>
 #include <sys/mman.h>
-#include <sys/param.h>
+#include <sys/vfs.h>
+#include <linux/magic.h>
 #include <init.h>
 #include <os.h>
 
-/* Modified by which_tmpdir, which is called during early boot */
-static char *default_tmpdir = "/tmp";
-
-/*
- *  Modified when creating the physical memory file and when checking
- * the tmp filesystem for usability, both happening during early boot.
- */
+/* Set by make_tempfile() during early boot. */
 static char *tempdir = NULL;
 
-static void __init find_tempdir(void)
+/* Check if dir is on tmpfs. Return 0 if yes, -1 if no or error. */
+static int __init check_tmpfs(const char *dir)
 {
-        const char *dirs[] = { "TMP", "TEMP", "TMPDIR", NULL };
-        int i;
-        char *dir = NULL;
-
-        if (tempdir != NULL)
-                /* We've already been called */
-                return;
-        for (i = 0; dirs[i]; i++) {
-                dir = getenv(dirs[i]);
-                if ((dir != NULL) && (*dir != '\0'))
-                        break;
-        }
-        if ((dir == NULL) || (*dir == '\0'))
-                dir = default_tmpdir;
+        struct statfs st;
 
-        tempdir = malloc(strlen(dir) + 2);
-        if (tempdir == NULL) {
-                fprintf(stderr, "Failed to malloc tempdir, "
-                        "errno = %d\n", errno);
-                return;
-        }
-        strcpy(tempdir, dir);
-        strcat(tempdir, "/");
-}
-
-/*
- * Remove bytes from the front of the buffer and refill it so that if there's a
- * partial string that we care about, it will be completed, and we can recognize
- * it.
- */
-static int pop(int fd, char *buf, size_t size, size_t npop)
-{
-        ssize_t n;
-        size_t len = strlen(&buf[npop]);
-
-        memmove(buf, &buf[npop], len + 1);
-        n = read(fd, &buf[len], size - len - 1);
-        if (n < 0)
-                return -errno;
-
-        buf[len + n] = '\0';
-        return 1;
-}
-
-/*
- * This will return 1, with the first character in buf being the
- * character following the next instance of c in the file.  This will
- * read the file as needed.  If there's an error, -errno is returned;
- * if the end of the file is reached, 0 is returned.
- */
-static int next(int fd, char *buf, size_t size, char c)
-{
-        ssize_t n;
-        char *ptr;
-
-        while ((ptr = strchr(buf, c)) == NULL) {
-                n = read(fd, buf, size - 1);
-                if (n == 0)
-                        return 0;
-                else if (n < 0)
-                        return -errno;
-
-                buf[n] = '\0';
+        printf("Checking if %s is on tmpfs...", dir);
+        if (statfs(dir, &st) < 0) {
+                printf("%s\n", strerror(errno));
+        } else if (st.f_type != TMPFS_MAGIC) {
+                printf("no\n");
+        } else {
+                printf("OK\n");
+                return 0;
         }
-
-        return pop(fd, buf, size, ptr - buf + 1);
+        return -1;
 }
 
 /*
- * Decode an octal-escaped and space-terminated path of the form used by
- * /proc/mounts. May be used to decode a path in-place. "out" must be at least
- * as large as the input. The output is always null-terminated. "len" gets the
- * length of the output, excluding the trailing null. Returns 0 if a full path
- * was successfully decoded, otherwise an error.
+ * Choose the tempdir to use. We want something on tmpfs so that our memory is
+ * not subject to the host's vm.dirty_ratio. If a tempdir is specified in the
+ * environment, we use that even if it's not on tmpfs, but we warn the user.
+ * Otherwise, we try common tmpfs locations, and if no tmpfs directory is found
+ * then we fall back to /tmp.
  */
-static int decode_path(const char *in, char *out, size_t *len)
+static char * __init choose_tempdir(void)
 {
-        char *first = out;
-        int c;
+        static const char * const vars[] = {
+                "TMPDIR",
+                "TMP",
+                "TEMP",
+                NULL
+        };
+        static const char fallback_dir[] = "/tmp";
+        static const char * const tmpfs_dirs[] = {
+                "/dev/shm",
+                fallback_dir,
+                NULL
+        };
         int i;
-        int ret = -EINVAL;
-        while (1) {
-                switch (*in) {
-                case '\0':
-                        goto out;
-
-                case ' ':
-                        ret = 0;
-                        goto out;
-
-                case '\\':
-                        in++;
-                        c = 0;
-                        for (i = 0; i < 3; i++) {
-                                if (*in < '0' || *in > '7')
-                                        goto out;
-                                c = (c << 3) | (*in++ - '0');
-                        }
-                        *(unsigned char *)out++ = (unsigned char) c;
-                        break;
-
-                default:
-                        *out++ = *in++;
-                        break;
+        const char *dir;
+
+        printf("Checking environment variables for a tempdir...");
+        for (i = 0; vars[i]; i++) {
+                dir = getenv(vars[i]);
+                if ((dir != NULL) && (*dir != '\0')) {
+                        printf("%s\n", dir);
+                        if (check_tmpfs(dir) >= 0)
+                                goto done;
+                        else
+                                goto warn;
                 }
         }
+        printf("none found\n");
 
-out:
-        *out = '\0';
-        *len = out - first;
-        return ret;
-}
-
-/*
- * Computes the length of s when encoded with three-digit octal escape sequences
- * for the characters in chars.
- */
-static size_t octal_encoded_length(const char *s, const char *chars)
-{
-        size_t len = strlen(s);
-        while ((s = strpbrk(s, chars)) != NULL) {
-                len += 3;
-                s++;
-        }
-
-        return len;
-}
-
-enum {
-        OUTCOME_NOTHING_MOUNTED,
-        OUTCOME_TMPFS_MOUNT,
-        OUTCOME_NON_TMPFS_MOUNT,
-};
-
-/* Read a line of /proc/mounts data looking for a tmpfs mount at "path". */
-static int read_mount(int fd, char *buf, size_t bufsize, const char *path,
-                      int *outcome)
-{
-        int found;
-        int match;
-        char *space;
-        size_t len;
-
-        enum {
-                MATCH_NONE,
-                MATCH_EXACT,
-                MATCH_PARENT,
-        };
-
-        found = next(fd, buf, bufsize, ' ');
-        if (found != 1)
-                return found;
-
-        /*
-         * If there's no following space in the buffer, then this path is
-         * truncated, so it can't be the one we're looking for.
-         */
-        space = strchr(buf, ' ');
-        if (space) {
-                match = MATCH_NONE;
-                if (!decode_path(buf, buf, &len)) {
-                        if (!strcmp(buf, path))
-                                match = MATCH_EXACT;
-                        else if (!strncmp(buf, path, len)
-                                 && (path[len] == '/' || !strcmp(buf, "/")))
-                                match = MATCH_PARENT;
-                }
-
-                found = pop(fd, buf, bufsize, space - buf + 1);
-                if (found != 1)
-                        return found;
-
-                switch (match) {
-                case MATCH_EXACT:
-                        if (!strncmp(buf, "tmpfs", strlen("tmpfs")))
-                                *outcome = OUTCOME_TMPFS_MOUNT;
-                        else
-                                *outcome = OUTCOME_NON_TMPFS_MOUNT;
-                        break;
-
-                case MATCH_PARENT:
-                        /* This mount obscures any previous ones. */
-                        *outcome = OUTCOME_NOTHING_MOUNTED;
-                        break;
-                }
+        for (i = 0; tmpfs_dirs[i]; i++) {
+                dir = tmpfs_dirs[i];
+                if (check_tmpfs(dir) >= 0)
+                        goto done;
         }
 
-        return next(fd, buf, bufsize, '\n');
+        dir = fallback_dir;
+warn:
+        printf("Warning: tempdir %s is not on tmpfs\n", dir);
+done:
+        /* Make a copy since getenv results may not remain valid forever. */
+        return strdup(dir);
 }
 
-/* which_tmpdir is called only during early boot */
-static int checked_tmpdir = 0;
-
 /*
- * Look for a tmpfs mounted at /dev/shm.  I couldn't find a cleaner
- * way to do this than to parse /proc/mounts.  statfs will return the
- * same filesystem magic number and fs id for both /dev and /dev/shm
- * when they are both tmpfs, so you can't tell if they are different
- * filesystems.  Also, there seems to be no other way of finding the
- * mount point of a filesystem from within it.
- *
- * If a /dev/shm tmpfs entry is found, then we switch to using it.
- * Otherwise, we stay with the default /tmp.
+ * Create an unlinked tempfile in a suitable tempdir. template must be the
+ * basename part of the template with a leading '/'.
  */
-static void which_tmpdir(void)
+static int __init make_tempfile(const char *template)
 {
+        char *tempname;
         int fd;
-        int found;
-        int outcome;
-        char *path;
-        char *buf;
-        size_t bufsize;
 
-        if (checked_tmpdir)
-                return;
-
-        checked_tmpdir = 1;
-
-        printf("Checking for tmpfs mount on /dev/shm...");
-
-        path = realpath("/dev/shm", NULL);
-        if (!path) {
-                printf("failed to check real path, errno = %d\n", errno);
-                return;
-        }
-        printf("%s...", path);
-
-        /*
-         * The buffer needs to be able to fit the full octal-escaped path, a
-         * space, and a trailing null in order to successfully decode it.
-         */
-        bufsize = octal_encoded_length(path, " \t\n\\") + 2;
-
-        if (bufsize < 128)
-                bufsize = 128;
-
-        buf = malloc(bufsize);
-        if (!buf) {
-                printf("malloc failed, errno = %d\n", errno);
-                goto out;
-        }
-        buf[0] = '\0';
-
-        fd = open("/proc/mounts", O_RDONLY);
-        if (fd < 0) {
-                printf("failed to open /proc/mounts, errno = %d\n", errno);
-                goto out1;
-        }
-
-        outcome = OUTCOME_NOTHING_MOUNTED;
-        while (1) {
-                found = read_mount(fd, buf, bufsize, path, &outcome);
-                if (found != 1)
-                        break;
-        }
-
-        if (found < 0) {
-                printf("read returned errno %d\n", -found);
-        } else {
-                switch (outcome) {
-                case OUTCOME_TMPFS_MOUNT:
-                        printf("OK\n");
-                        default_tmpdir = "/dev/shm";
-                        break;
-
-                case OUTCOME_NON_TMPFS_MOUNT:
-                        printf("not tmpfs\n");
-                        break;
-
-                default:
-                        printf("nothing mounted on /dev/shm\n");
-                        break;
+        if (tempdir == NULL) {
+                tempdir = choose_tempdir();
+                if (tempdir == NULL) {
+                        fprintf(stderr, "Failed to choose tempdir: %s\n",
+                                strerror(errno));
+                        return -1;
                 }
         }
 
-        close(fd);
-out1:
-        free(buf);
-out:
-        free(path);
-}
-
-static int __init make_tempfile(const char *template, char **out_tempname,
-                                int do_unlink)
-{
-        char *tempname;
-        int fd;
-
-        which_tmpdir();
-        tempname = malloc(MAXPATHLEN);
+        tempname = malloc(strlen(tempdir) + strlen(template) + 1);
         if (tempname == NULL)
                 return -1;
 
-        find_tempdir();
-        if ((tempdir == NULL) || (strlen(tempdir) >= MAXPATHLEN))
-                goto out;
-
-        if (template[0] != '/')
-                strcpy(tempname, tempdir);
-        else
-                tempname[0] = '\0';
-        strncat(tempname, template, MAXPATHLEN-1-strlen(tempname));
+        strcpy(tempname, tempdir);
+        strcat(tempname, template);
         fd = mkstemp(tempname);
         if (fd < 0) {
                 fprintf(stderr, "open - cannot create %s: %s\n", tempname,
                         strerror(errno));
                 goto out;
         }
-        if (do_unlink && (unlink(tempname) < 0)) {
+        if (unlink(tempname) < 0) {
                 perror("unlink");
                 goto close;
         }
-        if (out_tempname) {
-                *out_tempname = tempname;
-        } else
-                free(tempname);
+        free(tempname);
         return fd;
 close:
         close(fd);
@@ -351,14 +131,14 @@ out:
         return -1;
 }
 
-#define TEMPNAME_TEMPLATE "vm_file-XXXXXX"
+#define TEMPNAME_TEMPLATE "/vm_file-XXXXXX"
 
 static int __init create_tmp_file(unsigned long long len)
 {
         int fd, err;
         char zero;
 
-        fd = make_tempfile(TEMPNAME_TEMPLATE, NULL, 1);
+        fd = make_tempfile(TEMPNAME_TEMPLATE);
         if (fd < 0)
                 exit(1);
 
@@ -402,7 +182,6 @@ int __init create_mem_file(unsigned long long len)
         return fd;
 }
 
-
 void __init check_tmpexec(void)
 {
         void *addr;
@@ -410,14 +189,13 @@ void __init check_tmpexec(void)
 
         addr = mmap(NULL, UM_KERN_PAGE_SIZE,
                     PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE, fd, 0);
-        printf("Checking PROT_EXEC mmap in %s...",tempdir);
-        fflush(stdout);
+        printf("Checking PROT_EXEC mmap in %s...", tempdir);
         if (addr == MAP_FAILED) {
                 err = errno;
-                perror("failed");
+                printf("%s\n", strerror(err));
                 close(fd);
                 if (err == EPERM)
-                        printf("%s must be not mounted noexec\n",tempdir);
+                        printf("%s must be not mounted noexec\n", tempdir);
                 exit(1);
         }
         printf("OK\n");
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 602f57e590b5..ce6ad7e6a7d7 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -83,7 +83,9 @@ else
         KBUILD_CFLAGS += -m64
 
         # Don't autogenerate traditional x87, MMX or SSE instructions
-        KBUILD_CFLAGS += -mno-mmx -mno-sse -mno-80387 -mno-fp-ret-in-387
+        KBUILD_CFLAGS += -mno-mmx -mno-sse
+        KBUILD_CFLAGS += $(call cc-option,-mno-80387)
+        KBUILD_CFLAGS += $(call cc-option,-mno-fp-ret-in-387)
 
         # Use -mpreferred-stack-boundary=3 if supported.
         KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=3)
@@ -250,8 +252,8 @@ archclean:
 PHONY += kvmconfig
 kvmconfig:
         $(if $(wildcard $(objtree)/.config),, $(error You need an existing .config for this target))
-        $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config arch/x86/configs/kvm_guest.config
-        $(Q)yes "" | $(MAKE) oldconfig
+        $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config $(srctree)/arch/x86/configs/kvm_guest.config
+        $(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
 
 define archhelp
   echo  '* bzImage      - Compressed kernel image (arch/x86/boot/bzImage)'
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index fcaf9c961265..7de069afb382 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -60,7 +60,7 @@
                           | X86_CR4_PSE | X86_CR4_PAE | X86_CR4_MCE     \
                           | X86_CR4_PGE | X86_CR4_PCE | X86_CR4_OSFXSR | X86_CR4_PCIDE \
                           | X86_CR4_OSXSAVE | X86_CR4_SMEP | X86_CR4_FSGSBASE \
-                          | X86_CR4_OSXMMEXCPT | X86_CR4_VMXE))
+                          | X86_CR4_OSXMMEXCPT | X86_CR4_VMXE | X86_CR4_SMAP))
 
 #define CR8_RESERVED_BITS (~(unsigned long)X86_CR8_TPR)
 
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 6ad4658de705..d23aa82e7a7b 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -3425,6 +3425,11 @@ int get_nr_irqs_gsi(void)
         return nr_irqs_gsi;
 }
 
+unsigned int arch_dynirq_lower_bound(unsigned int from)
+{
+        return from < nr_irqs_gsi ? nr_irqs_gsi : from;
+}
+
 int __init arch_probe_nr_irqs(void)
 {
         int nr;
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index eeee23ff75ef..68317c80de7f 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -598,7 +598,6 @@ void machine_check_poll(enum mcp_flags flags, mce_banks_t *b)
 {
         struct mce m;
         int i;
-        unsigned long *v;
 
         this_cpu_inc(mce_poll_count);
 
@@ -618,8 +617,7 @@ void machine_check_poll(enum mcp_flags flags, mce_banks_t *b)
                 if (!(m.status & MCI_STATUS_VAL))
                         continue;
 
-                v = &get_cpu_var(mce_polled_error);
-                set_bit(0, v);
+                this_cpu_write(mce_polled_error, 1);
                 /*
                  * Uncorrected or signalled events are handled by the exception
                  * handler when it is enabled, so don't process those here.
diff --git a/arch/x86/kernel/cpu/mcheck/mce_intel.c b/arch/x86/kernel/cpu/mcheck/mce_intel.c
index 3bdb95ae8c43..9a316b21df8b 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_intel.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_intel.c
@@ -42,7 +42,7 @@ static DEFINE_PER_CPU(mce_banks_t, mce_banks_owned);
  * cmci_discover_lock protects against parallel discovery attempts
  * which could race against each other.
  */
-static DEFINE_RAW_SPINLOCK(cmci_discover_lock);
+static DEFINE_SPINLOCK(cmci_discover_lock);
 
 #define CMCI_THRESHOLD          1
 #define CMCI_POLL_INTERVAL      (30 * HZ)
@@ -144,14 +144,14 @@ static void cmci_storm_disable_banks(void)
         int bank;
         u64 val;
 
-        raw_spin_lock_irqsave(&cmci_discover_lock, flags);
+        spin_lock_irqsave(&cmci_discover_lock, flags);
         owned = __get_cpu_var(mce_banks_owned);
         for_each_set_bit(bank, owned, MAX_NR_BANKS) {
                 rdmsrl(MSR_IA32_MCx_CTL2(bank), val);
                 val &= ~MCI_CTL2_CMCI_EN;
                 wrmsrl(MSR_IA32_MCx_CTL2(bank), val);
         }
-        raw_spin_unlock_irqrestore(&cmci_discover_lock, flags);
+        spin_unlock_irqrestore(&cmci_discover_lock, flags);
 }
 
 static bool cmci_storm_detect(void)
@@ -211,7 +211,7 @@ static void cmci_discover(int banks)
         int i;
         int bios_wrong_thresh = 0;
 
-        raw_spin_lock_irqsave(&cmci_discover_lock, flags);
+        spin_lock_irqsave(&cmci_discover_lock, flags);
         for (i = 0; i < banks; i++) {
                 u64 val;
                 int bios_zero_thresh = 0;
@@ -266,7 +266,7 @@ static void cmci_discover(int banks)
                         WARN_ON(!test_bit(i, __get_cpu_var(mce_poll_banks)));
                 }
         }
-        raw_spin_unlock_irqrestore(&cmci_discover_lock, flags);
+        spin_unlock_irqrestore(&cmci_discover_lock, flags);
         if (mca_cfg.bios_cmci_threshold && bios_wrong_thresh) {
                 pr_info_once(
                         "bios_cmci_threshold: Some banks do not have valid thresholds set\n");
@@ -316,10 +316,10 @@ void cmci_clear(void)
 
         if (!cmci_supported(&banks))
                 return;
-        raw_spin_lock_irqsave(&cmci_discover_lock, flags);
+        spin_lock_irqsave(&cmci_discover_lock, flags);
         for (i = 0; i < banks; i++)
                 __cmci_disable_bank(i);
-        raw_spin_unlock_irqrestore(&cmci_discover_lock, flags);
+        spin_unlock_irqrestore(&cmci_discover_lock, flags);
 }
 
 static void cmci_rediscover_work_func(void *arg)
@@ -360,9 +360,9 @@ void cmci_disable_bank(int bank)
         if (!cmci_supported(&banks))
                 return;
 
-        raw_spin_lock_irqsave(&cmci_discover_lock, flags);
+        spin_lock_irqsave(&cmci_discover_lock, flags);
         __cmci_disable_bank(bank);
-        raw_spin_unlock_irqrestore(&cmci_discover_lock, flags);
+        spin_unlock_irqrestore(&cmci_discover_lock, flags);
 }
 
 static void intel_init_cmci(void)
diff --git a/arch/x86/kernel/cpu/perf_event_intel_rapl.c b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
index 059218ed5208..619f7699487a 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_rapl.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
@@ -59,7 +59,7 @@
 #define INTEL_RAPL_PKG          0x2     /* pseudo-encoding */
 #define RAPL_IDX_RAM_NRG_STAT   2       /* DRAM */
 #define INTEL_RAPL_RAM          0x3     /* pseudo-encoding */
-#define RAPL_IDX_PP1_NRG_STAT   3       /* DRAM */
+#define RAPL_IDX_PP1_NRG_STAT   3       /* gpu */
 #define INTEL_RAPL_PP1          0x4     /* pseudo-encoding */
 
 /* Clients have PP0, PKG */
@@ -72,6 +72,12 @@
                          1<<RAPL_IDX_PKG_NRG_STAT|\
                          1<<RAPL_IDX_RAM_NRG_STAT)
 
+/* Servers have PP0, PKG, RAM, PP1 */
+#define RAPL_IDX_HSW    (1<<RAPL_IDX_PP0_NRG_STAT|\
+                         1<<RAPL_IDX_PKG_NRG_STAT|\
+                         1<<RAPL_IDX_RAM_NRG_STAT|\
+                         1<<RAPL_IDX_PP1_NRG_STAT)
+
 /*
  * event code: LSB 8 bits, passed in attr->config
  * any other bit is reserved
@@ -425,6 +431,24 @@ static struct attribute *rapl_events_cln_attr[] = {
         NULL,
 };
 
+static struct attribute *rapl_events_hsw_attr[] = {
+        EVENT_PTR(rapl_cores),
+        EVENT_PTR(rapl_pkg),
+        EVENT_PTR(rapl_gpu),
+        EVENT_PTR(rapl_ram),
+
+        EVENT_PTR(rapl_cores_unit),
+        EVENT_PTR(rapl_pkg_unit),
+        EVENT_PTR(rapl_gpu_unit),
+        EVENT_PTR(rapl_ram_unit),
+
+        EVENT_PTR(rapl_cores_scale),
+        EVENT_PTR(rapl_pkg_scale),
+        EVENT_PTR(rapl_gpu_scale),
+        EVENT_PTR(rapl_ram_scale),
+        NULL,
+};
+
 static struct attribute_group rapl_pmu_events_group = {
         .name = "events",
         .attrs = NULL, /* patched at runtime */
@@ -511,6 +535,7 @@ static int rapl_cpu_prepare(int cpu)
         struct rapl_pmu *pmu = per_cpu(rapl_pmu, cpu);
         int phys_id = topology_physical_package_id(cpu);
         u64 ms;
+        u64 msr_rapl_power_unit_bits;
 
         if (pmu)
                 return 0;
@@ -518,6 +543,10 @@ static int rapl_cpu_prepare(int cpu)
         if (phys_id < 0)
                 return -1;
 
+        /* protect rdmsrl() to handle virtualization */
+        if (rdmsrl_safe(MSR_RAPL_POWER_UNIT, &msr_rapl_power_unit_bits))
+                return -1;
+
         pmu = kzalloc_node(sizeof(*pmu), GFP_KERNEL, cpu_to_node(cpu));
         if (!pmu)
                 return -1;
@@ -531,8 +560,7 @@ static int rapl_cpu_prepare(int cpu)
          *
          * we cache in local PMU instance
          */
-        rdmsrl(MSR_RAPL_POWER_UNIT, pmu->hw_unit);
-        pmu->hw_unit = (pmu->hw_unit >> 8) & 0x1FULL;
+        pmu->hw_unit = (msr_rapl_power_unit_bits >> 8) & 0x1FULL;
         pmu->pmu = &rapl_pmu_class;
 
         /*
@@ -631,11 +659,14 @@ static int __init rapl_pmu_init(void)
         switch (boot_cpu_data.x86_model) {
         case 42: /* Sandy Bridge */
         case 58: /* Ivy Bridge */
-        case 60: /* Haswell */
-        case 69: /* Haswell-Celeron */
                 rapl_cntr_mask = RAPL_IDX_CLN;
                 rapl_pmu_events_group.attrs = rapl_events_cln_attr;
                 break;
+        case 60: /* Haswell */
+        case 69: /* Haswell-Celeron */
+                rapl_cntr_mask = RAPL_IDX_HSW;
+                rapl_pmu_events_group.attrs = rapl_events_hsw_attr;
+                break;
         case 45: /* Sandy Bridge-EP */
         case 62: /* IvyTown */
                 rapl_cntr_mask = RAPL_IDX_SRV;
@@ -650,7 +681,9 @@ static int __init rapl_pmu_init(void)
         cpu_notifier_register_begin();
 
         for_each_online_cpu(cpu) {
-                rapl_cpu_prepare(cpu);
+                ret = rapl_cpu_prepare(cpu);
+                if (ret)
+                        goto out;
                 rapl_cpu_init(cpu);
         }
 
@@ -673,6 +706,7 @@ static int __init rapl_pmu_init(void)
                 hweight32(rapl_cntr_mask),
                 ktime_to_ms(pmu->timer_interval));
 
+out:
         cpu_notifier_register_done();
 
         return 0;
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index b0cc3809723d..6e2537c32190 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -240,7 +240,7 @@ static u32 __init intel_stolen_base(int num, int slot, int func, size_t stolen_s
         return base;
 }
 
-#define KB(x)   ((x) * 1024)
+#define KB(x)   ((x) * 1024UL)
 #define MB(x)   (KB (KB (x)))
 #define GB(x)   (MB (KB (x)))
 
diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c
index 79a3f9682871..61b17dc2c277 100644
--- a/arch/x86/kernel/kprobes/core.c
+++ b/arch/x86/kernel/kprobes/core.c
@@ -897,9 +897,10 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
         struct kprobe *cur = kprobe_running();
         struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
 
-        switch (kcb->kprobe_status) {
-        case KPROBE_HIT_SS:
-        case KPROBE_REENTER:
+        if (unlikely(regs->ip == (unsigned long)cur->ainsn.insn)) {
+                /* This must happen on single-stepping */
+                WARN_ON(kcb->kprobe_status != KPROBE_HIT_SS &&
+                        kcb->kprobe_status != KPROBE_REENTER);
                 /*
                  * We are here because the instruction being single
                  * stepped caused a page fault. We reset the current
@@ -914,9 +915,8 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
                 else
                         reset_current_kprobe();
                 preempt_enable_no_resched();
-                break;
-        case KPROBE_HIT_ACTIVE:
-        case KPROBE_HIT_SSDONE:
+        } else if (kcb->kprobe_status == KPROBE_HIT_ACTIVE ||
+                   kcb->kprobe_status == KPROBE_HIT_SSDONE) {
                 /*
                  * We increment the nmissed count for accounting,
                  * we can also use npre/npostfault count for accounting
@@ -945,10 +945,8 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
                  * fixup routine could not handle it,
                  * Let do_page_fault() fix it.
                  */
-                break;
-        default:
-                break;
         }
+
         return 0;
 }
 
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 654b46574b91..3399d3a99730 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -114,8 +114,8 @@ EXPORT_SYMBOL(machine_real_restart);
  */
 static int __init set_pci_reboot(const struct dmi_system_id *d)
 {
-        if (reboot_type != BOOT_CF9) {
-                reboot_type = BOOT_CF9;
+        if (reboot_type != BOOT_CF9_FORCE) {
+                reboot_type = BOOT_CF9_FORCE;
                 pr_info("%s series board detected. Selecting %s-method for reboots.\n",
                         d->ident, "PCI");
         }
@@ -458,20 +458,23 @@ void __attribute__((weak)) mach_reboot_fixups(void)
 }
 
 /*
- * Windows compatible x86 hardware expects the following on reboot:
+ * To the best of our knowledge Windows compatible x86 hardware expects
+ * the following on reboot:
  *
  * 1) If the FADT has the ACPI reboot register flag set, try it
  * 2) If still alive, write to the keyboard controller
  * 3) If still alive, write to the ACPI reboot register again
  * 4) If still alive, write to the keyboard controller again
  * 5) If still alive, call the EFI runtime service to reboot
- * 6) If still alive, write to the PCI IO port 0xCF9 to reboot
- * 7) If still alive, inform BIOS to do a proper reboot
+ * 6) If no EFI runtime service, call the BIOS to do a reboot
  *
- * If the machine is still alive at this stage, it gives up. We default to
- * following the same pattern, except that if we're still alive after (7) we'll
- * try to force a triple fault and then cycle between hitting the keyboard
- * controller and doing that
+ * We default to following the same pattern. We also have
+ * two other reboot methods: 'triple fault' and 'PCI', which
+ * can be triggered via the reboot= kernel boot option or
+ * via quirks.
+ *
+ * This means that this function can never return, it can misbehave
+ * by not rebooting properly and hanging.
  */
 static void native_machine_emergency_restart(void)
 {
@@ -492,6 +495,11 @@ static void native_machine_emergency_restart(void)
         for (;;) {
                 /* Could also try the reset bit in the Hammer NB */
                 switch (reboot_type) {
+                case BOOT_ACPI:
+                        acpi_reboot();
+                        reboot_type = BOOT_KBD;
+                        break;
+
                 case BOOT_KBD:
                         mach_reboot_fixups(); /* For board specific fixups */
 
@@ -509,43 +517,29 @@ static void native_machine_emergency_restart(void)
                         }
                         break;
 
-                case BOOT_TRIPLE:
-                        load_idt(&no_idt);
-                        __asm__ __volatile__("int3");
-
-                        /* We're probably dead after this, but... */
-                        reboot_type = BOOT_KBD;
-                        break;
-
-                case BOOT_BIOS:
-                        machine_real_restart(MRR_BIOS);
-
-                        /* We're probably dead after this, but... */
-                        reboot_type = BOOT_TRIPLE;
-                        break;
-
-                case BOOT_ACPI:
-                        acpi_reboot();
-                        reboot_type = BOOT_KBD;
-                        break;
-
                 case BOOT_EFI:
                         if (efi_enabled(EFI_RUNTIME_SERVICES))
                                 efi.reset_system(reboot_mode == REBOOT_WARM ?
                                                  EFI_RESET_WARM :
                                                  EFI_RESET_COLD,
                                                  EFI_SUCCESS, 0, NULL);
-                        reboot_type = BOOT_CF9_COND;
+                        reboot_type = BOOT_BIOS;
+                        break;
+
+                case BOOT_BIOS:
+                        machine_real_restart(MRR_BIOS);
+
+                        /* We're probably dead after this, but... */
+                        reboot_type = BOOT_CF9_SAFE;
                         break;
 
-                case BOOT_CF9:
+                case BOOT_CF9_FORCE:
                         port_cf9_safe = true;
                         /* Fall through */
 
-                case BOOT_CF9_COND:
+                case BOOT_CF9_SAFE:
                         if (port_cf9_safe) {
-                                u8 reboot_code = reboot_mode == REBOOT_WARM ?
-                                        0x06 : 0x0E;
+                                u8 reboot_code = reboot_mode == REBOOT_WARM ?  0x06 : 0x0E;
                                 u8 cf9 = inb(0xcf9) & ~reboot_code;
                                 outb(cf9|2, 0xcf9); /* Request hard reset */
                                 udelay(50);
@@ -553,7 +547,15 @@ static void native_machine_emergency_restart(void)
                                 outb(cf9|reboot_code, 0xcf9);
                                 udelay(50);
                         }
-                        reboot_type = BOOT_BIOS;
+                        reboot_type = BOOT_TRIPLE;
+                        break;
+
+                case BOOT_TRIPLE:
+                        load_idt(&no_idt);
+                        __asm__ __volatile__("int3");
+
+                        /* We're probably dead after this, but... */
+                        reboot_type = BOOT_KBD;
                         break;
                 }
         }
diff --git a/arch/x86/kernel/vsmp_64.c b/arch/x86/kernel/vsmp_64.c
index f6584a90aba3..5edc34b5b951 100644
--- a/arch/x86/kernel/vsmp_64.c
+++ b/arch/x86/kernel/vsmp_64.c
@@ -26,6 +26,9 @@
 
 #define TOPOLOGY_REGISTER_OFFSET 0x10
 
+/* Flag below is initialized once during vSMP PCI initialization. */
+static int irq_routing_comply = 1;
+
 #if defined CONFIG_PCI && defined CONFIG_PARAVIRT
 /*
  * Interrupt control on vSMPowered systems:
@@ -101,6 +104,10 @@ static void __init set_vsmp_pv_ops(void)
 #ifdef CONFIG_SMP
         if (cap & ctl & BIT(8)) {
                 ctl &= ~BIT(8);
+
+                /* Interrupt routing set to ignore */
+                irq_routing_comply = 0;
+
 #ifdef CONFIG_PROC_FS
                 /* Don't let users change irq affinity via procfs */
                 no_irq_affinity = 1;
@@ -218,7 +225,9 @@ static void vsmp_apic_post_init(void)
 {
         /* need to update phys_pkg_id */
         apic->phys_pkg_id = apicid_phys_pkg_id;
-        apic->vector_allocation_domain = fill_vector_allocation_domain;
+
+        if (!irq_routing_comply)
+                apic->vector_allocation_domain = fill_vector_allocation_domain;
 }
 
 void __init vsmp_init(void)
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index bea60671ef8a..f47a104a749c 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -308,7 +308,7 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
         const u32 kvm_supported_word9_x86_features =
                 F(FSGSBASE) | F(BMI1) | F(HLE) | F(AVX2) | F(SMEP) |
                 F(BMI2) | F(ERMS) | f_invpcid | F(RTM) | f_mpx | F(RDSEED) |
-                F(ADX);
+                F(ADX) | F(SMAP);
 
         /* all calls to cpuid_count() should be made on the same cpu */
         get_cpu();
diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h
index a2a1bb7ed8c1..eeecbed26ac7 100644
--- a/arch/x86/kvm/cpuid.h
+++ b/arch/x86/kvm/cpuid.h
@@ -48,6 +48,14 @@ static inline bool guest_cpuid_has_smep(struct kvm_vcpu *vcpu)
         return best && (best->ebx & bit(X86_FEATURE_SMEP));
 }
 
+static inline bool guest_cpuid_has_smap(struct kvm_vcpu *vcpu)
+{
+        struct kvm_cpuid_entry2 *best;
+
+        best = kvm_find_cpuid_entry(vcpu, 7, 0);
+        return best && (best->ebx & bit(X86_FEATURE_SMAP));
+}
+
 static inline bool guest_cpuid_has_fsgsbase(struct kvm_vcpu *vcpu)
 {
         struct kvm_cpuid_entry2 *best;
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index f5704d9e5ddc..813d31038b93 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3601,20 +3601,27 @@ static void reset_rsvds_bits_mask_ept(struct kvm_vcpu *vcpu,
         }
 }
 
-static void update_permission_bitmask(struct kvm_vcpu *vcpu,
+void update_permission_bitmask(struct kvm_vcpu *vcpu,
                 struct kvm_mmu *mmu, bool ept)
 {
         unsigned bit, byte, pfec;
         u8 map;
-        bool fault, x, w, u, wf, uf, ff, smep;
+        bool fault, x, w, u, wf, uf, ff, smapf, cr4_smap, cr4_smep, smap = 0;
 
-        smep = kvm_read_cr4_bits(vcpu, X86_CR4_SMEP);
+        cr4_smep = kvm_read_cr4_bits(vcpu, X86_CR4_SMEP);
+        cr4_smap = kvm_read_cr4_bits(vcpu, X86_CR4_SMAP);
         for (byte = 0; byte < ARRAY_SIZE(mmu->permissions); ++byte) {
                 pfec = byte << 1;
                 map = 0;
                 wf = pfec & PFERR_WRITE_MASK;
                 uf = pfec & PFERR_USER_MASK;
                 ff = pfec & PFERR_FETCH_MASK;
+                /*
+                 * PFERR_RSVD_MASK bit is set in PFEC if the access is not
+                 * subject to SMAP restrictions, and cleared otherwise. The
+                 * bit is only meaningful if the SMAP bit is set in CR4.
+                 */
+                smapf = !(pfec & PFERR_RSVD_MASK);
                 for (bit = 0; bit < 8; ++bit) {
                         x = bit & ACC_EXEC_MASK;
                         w = bit & ACC_WRITE_MASK;
@@ -3626,12 +3633,33 @@ static void update_permission_bitmask(struct kvm_vcpu *vcpu,
                                 /* Allow supervisor writes if !cr0.wp */
                                 w |= !is_write_protection(vcpu) && !uf;
                                 /* Disallow supervisor fetches of user code if cr4.smep */
-                                x &= !(smep && u && !uf);
+                                x &= !(cr4_smep && u && !uf);
+
+                                /*
+                                 * SMAP:kernel-mode data accesses from user-mode
+                                 * mappings should fault. A fault is considered
+                                 * as a SMAP violation if all of the following
+                                 * conditions are ture:
+                                 *   - X86_CR4_SMAP is set in CR4
+                                 *   - An user page is accessed
+                                 *   - Page fault in kernel mode
+                                 *   - if CPL = 3 or X86_EFLAGS_AC is clear
+                                 *
+                                 *   Here, we cover the first three conditions.
+                                 *   The fourth is computed dynamically in
+                                 *   permission_fault() and is in smapf.
+                                 *
+                                 *   Also, SMAP does not affect instruction
+                                 *   fetches, add the !ff check here to make it
+                                 *   clearer.
+                                 */
+                                smap = cr4_smap && u && !uf && !ff;
                         } else
                                 /* Not really needed: no U/S accesses on ept  */
                                 u = 1;
 
-                        fault = (ff && !x) || (uf && !u) || (wf && !w);
+                        fault = (ff && !x) || (uf && !u) || (wf && !w) ||
+                                (smapf && smap);
                         map |= fault << bit;
                 }
                 mmu->permissions[byte] = map;
diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h
index 292615274358..3842e70bdb7c 100644
--- a/arch/x86/kvm/mmu.h
+++ b/arch/x86/kvm/mmu.h
@@ -44,11 +44,17 @@
 #define PT_DIRECTORY_LEVEL 2
 #define PT_PAGE_TABLE_LEVEL 1
 
-#define PFERR_PRESENT_MASK (1U << 0)
-#define PFERR_WRITE_MASK (1U << 1)
-#define PFERR_USER_MASK (1U << 2)
-#define PFERR_RSVD_MASK (1U << 3)
-#define PFERR_FETCH_MASK (1U << 4)
+#define PFERR_PRESENT_BIT 0
+#define PFERR_WRITE_BIT 1
+#define PFERR_USER_BIT 2
+#define PFERR_RSVD_BIT 3
+#define PFERR_FETCH_BIT 4
+
+#define PFERR_PRESENT_MASK (1U << PFERR_PRESENT_BIT)
+#define PFERR_WRITE_MASK (1U << PFERR_WRITE_BIT)
+#define PFERR_USER_MASK (1U << PFERR_USER_BIT)
+#define PFERR_RSVD_MASK (1U << PFERR_RSVD_BIT)
+#define PFERR_FETCH_MASK (1U << PFERR_FETCH_BIT)
 
 int kvm_mmu_get_spte_hierarchy(struct kvm_vcpu *vcpu, u64 addr, u64 sptes[4]);
 void kvm_mmu_set_mmio_spte_mask(u64 mmio_mask);
@@ -73,6 +79,8 @@ int handle_mmio_page_fault_common(struct kvm_vcpu *vcpu, u64 addr, bool direct);
 void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *context);
 void kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *context,
                 bool execonly);
+void update_permission_bitmask(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
+                bool ept);
 
 static inline unsigned int kvm_mmu_available_pages(struct kvm *kvm)
 {
@@ -110,10 +118,30 @@ static inline bool is_write_protection(struct kvm_vcpu *vcpu)
  * Will a fault with a given page-fault error code (pfec) cause a permission
  * fault with the given access (in ACC_* format)?
  */
-static inline bool permission_fault(struct kvm_mmu *mmu, unsigned pte_access,
-                                    unsigned pfec)
+static inline bool permission_fault(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
+                                    unsigned pte_access, unsigned pfec)
 {
-        return (mmu->permissions[pfec >> 1] >> pte_access) & 1;
+        int cpl = kvm_x86_ops->get_cpl(vcpu);
+        unsigned long rflags = kvm_x86_ops->get_rflags(vcpu);
+
+        /*
+         * If CPL < 3, SMAP prevention are disabled if EFLAGS.AC = 1.
+         *
+         * If CPL = 3, SMAP applies to all supervisor-mode data accesses
+         * (these are implicit supervisor accesses) regardless of the value
+         * of EFLAGS.AC.
+         *
+         * This computes (cpl < 3) && (rflags & X86_EFLAGS_AC), leaving
+         * the result in X86_EFLAGS_AC. We then insert it in place of
+         * the PFERR_RSVD_MASK bit; this bit will always be zero in pfec,
+         * but it will be one in index if SMAP checks are being overridden.
+         * It is important to keep this branchless.
+         */
+        unsigned long smap = (cpl - 3) & (rflags & X86_EFLAGS_AC);
+        int index = (pfec >> 1) +
+                    (smap >> (X86_EFLAGS_AC_BIT - PFERR_RSVD_BIT + 1));
+
+        return (mmu->permissions[index] >> pte_access) & 1;
 }
 
 void kvm_mmu_invalidate_zap_all_pages(struct kvm *kvm);
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index b1e6c1bf68d3..123efd3ec29f 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -353,7 +353,7 @@ retry_walk:
                 walker->ptes[walker->level - 1] = pte;
         } while (!is_last_gpte(mmu, walker->level, pte));
 
-        if (unlikely(permission_fault(mmu, pte_access, access))) {
+        if (unlikely(permission_fault(vcpu, mmu, pte_access, access))) {
                 errcode |= PFERR_PRESENT_MASK;
                 goto error;
         }
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 1320e0f8e611..33e8c028842f 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -503,7 +503,7 @@ static inline struct vcpu_vmx *to_vmx(struct kvm_vcpu *vcpu)
                                 [number##_HIGH] = VMCS12_OFFSET(name)+4
 
 
-static const unsigned long shadow_read_only_fields[] = {
+static unsigned long shadow_read_only_fields[] = {
         /*
          * We do NOT shadow fields that are modified when L0
          * traps and emulates any vmx instruction (e.g. VMPTRLD,
@@ -526,10 +526,10 @@ static const unsigned long shadow_read_only_fields[] = {
         GUEST_LINEAR_ADDRESS,
         GUEST_PHYSICAL_ADDRESS
 };
-static const int max_shadow_read_only_fields =
+static int max_shadow_read_only_fields =
         ARRAY_SIZE(shadow_read_only_fields);
 
-static const unsigned long shadow_read_write_fields[] = {
+static unsigned long shadow_read_write_fields[] = {
         GUEST_RIP,
         GUEST_RSP,
         GUEST_CR0,
@@ -558,7 +558,7 @@ static const unsigned long shadow_read_write_fields[] = {
         HOST_FS_SELECTOR,
         HOST_GS_SELECTOR
 };
-static const int max_shadow_read_write_fields =
+static int max_shadow_read_write_fields =
         ARRAY_SIZE(shadow_read_write_fields);
 
 static const unsigned short vmcs_field_to_offset_table[] = {
@@ -3009,6 +3009,41 @@ static void free_kvm_area(void)
         }
 }
 
+static void init_vmcs_shadow_fields(void)
+{
+        int i, j;
+
+        /* No checks for read only fields yet */
+
+        for (i = j = 0; i < max_shadow_read_write_fields; i++) {
+                switch (shadow_read_write_fields[i]) {
+                case GUEST_BNDCFGS:
+                        if (!vmx_mpx_supported())
+                                continue;
+                        break;
+                default:
+                        break;
+                }
+
+                if (j < i)
+                        shadow_read_write_fields[j] =
+                                shadow_read_write_fields[i];
+                j++;
+        }
+        max_shadow_read_write_fields = j;
+
+        /* shadowed fields guest access without vmexit */
+        for (i = 0; i < max_shadow_read_write_fields; i++) {
+                clear_bit(shadow_read_write_fields[i],
+                          vmx_vmwrite_bitmap);
+                clear_bit(shadow_read_write_fields[i],
+                          vmx_vmread_bitmap);
+        }
+        for (i = 0; i < max_shadow_read_only_fields; i++)
+                clear_bit(shadow_read_only_fields[i],
+                          vmx_vmread_bitmap);
+}
+
 static __init int alloc_kvm_area(void)
 {
         int cpu;
@@ -3039,6 +3074,8 @@ static __init int hardware_setup(void)
                 enable_vpid = 0;
         if (!cpu_has_vmx_shadow_vmcs())
                 enable_shadow_vmcs = 0;
+        if (enable_shadow_vmcs)
+                init_vmcs_shadow_fields();
 
         if (!cpu_has_vmx_ept() ||
             !cpu_has_vmx_ept_4levels()) {
@@ -3484,13 +3521,14 @@ static int vmx_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
                         hw_cr4 &= ~X86_CR4_PAE;
                         hw_cr4 |= X86_CR4_PSE;
                         /*
-                         * SMEP is disabled if CPU is in non-paging mode in
-                         * hardware. However KVM always uses paging mode to
+                         * SMEP/SMAP is disabled if CPU is in non-paging mode
+                         * in hardware. However KVM always uses paging mode to
                          * emulate guest non-paging mode with TDP.
-                         * To emulate this behavior, SMEP needs to be manually
-                         * disabled when guest switches to non-paging mode.
+                         * To emulate this behavior, SMEP/SMAP needs to be
+                         * manually disabled when guest switches to non-paging
+                         * mode.
                          */
-                        hw_cr4 &= ~X86_CR4_SMEP;
+                        hw_cr4 &= ~(X86_CR4_SMEP | X86_CR4_SMAP);
                 } else if (!(cr4 & X86_CR4_PAE)) {
                         hw_cr4 &= ~X86_CR4_PAE;
                 }
@@ -8802,14 +8840,6 @@ static int __init vmx_init(void)
 
         memset(vmx_vmread_bitmap, 0xff, PAGE_SIZE);
         memset(vmx_vmwrite_bitmap, 0xff, PAGE_SIZE);
-        /* shadowed read/write fields */
-        for (i = 0; i < max_shadow_read_write_fields; i++) {
-                clear_bit(shadow_read_write_fields[i], vmx_vmwrite_bitmap);
-                clear_bit(shadow_read_write_fields[i], vmx_vmread_bitmap);
-        }
-        /* shadowed read only fields */
-        for (i = 0; i < max_shadow_read_only_fields; i++)
-                clear_bit(shadow_read_only_fields[i], vmx_vmread_bitmap);
 
         /*
          * Allow direct access to the PC debug port (it is often used for I/O
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 9d1b5cd4d34c..8b8fc0b792ba 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -652,6 +652,9 @@ int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
         if (!guest_cpuid_has_smep(vcpu) && (cr4 & X86_CR4_SMEP))
                 return 1;
 
+        if (!guest_cpuid_has_smap(vcpu) && (cr4 & X86_CR4_SMAP))
+                return 1;
+
         if (!guest_cpuid_has_fsgsbase(vcpu) && (cr4 & X86_CR4_FSGSBASE))
                 return 1;
 
@@ -680,6 +683,9 @@ int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
             (!(cr4 & X86_CR4_PCIDE) && (old_cr4 & X86_CR4_PCIDE)))
                 kvm_mmu_reset_context(vcpu);
 
+        if ((cr4 ^ old_cr4) & X86_CR4_SMAP)
+                update_permission_bitmask(vcpu, vcpu->arch.walk_mmu, false);
+
         if ((cr4 ^ old_cr4) & X86_CR4_OSXSAVE)
                 kvm_update_cpuid(vcpu);
 
@@ -1117,7 +1123,6 @@ static inline u64 get_kernel_ns(void)
 {
         struct timespec ts;
 
-        WARN_ON(preemptible());
         ktime_get_ts(&ts);
         monotonic_to_bootbased(&ts);
         return timespec_to_ns(&ts);
@@ -4164,7 +4169,8 @@ static int vcpu_mmio_gva_to_gpa(struct kvm_vcpu *vcpu, unsigned long gva,
                 | (write ? PFERR_WRITE_MASK : 0);
 
         if (vcpu_match_mmio_gva(vcpu, gva)
-            && !permission_fault(vcpu->arch.walk_mmu, vcpu->arch.access, access)) {
+            && !permission_fault(vcpu, vcpu->arch.walk_mmu,
+                                 vcpu->arch.access, access)) {
                 *gpa = vcpu->arch.mmio_gfn << PAGE_SHIFT |
                                         (gva & (PAGE_SIZE - 1));
                 trace_vcpu_match_mmio(gva, *gpa, write, false);
diff --git a/arch/x86/syscalls/Makefile b/arch/x86/syscalls/Makefile
index f325af26107c..3323c2745248 100644
--- a/arch/x86/syscalls/Makefile
+++ b/arch/x86/syscalls/Makefile
@@ -54,5 +54,7 @@ syshdr-$(CONFIG_X86_64)		+= syscalls_64.h
 
 targets += $(uapisyshdr-y) $(syshdr-y)
 
+PHONY += all
 all: $(addprefix $(uapi)/,$(uapisyshdr-y))
 all: $(addprefix $(out)/,$(syshdr-y))
+        @:
diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl
index 96bc506ac6de..d6b867921612 100644
--- a/arch/x86/syscalls/syscall_32.tbl
+++ b/arch/x86/syscalls/syscall_32.tbl
@@ -359,3 +359,4 @@
 350     i386    finit_module            sys_finit_module
 351     i386    sched_setattr           sys_sched_setattr
 352     i386    sched_getattr           sys_sched_getattr
+353     i386    renameat2               sys_renameat2
diff --git a/arch/x86/tools/Makefile b/arch/x86/tools/Makefile
index e8120346903b..604a37efd4d5 100644
--- a/arch/x86/tools/Makefile
+++ b/arch/x86/tools/Makefile
@@ -40,4 +40,6 @@ $(obj)/insn_sanity.o: $(srctree)/arch/x86/lib/insn.c $(srctree)/arch/x86/lib/ina
 HOST_EXTRACFLAGS += -I$(srctree)/tools/include
 hostprogs-y     += relocs
 relocs-objs     := relocs_32.o relocs_64.o relocs_common.o
+PHONY += relocs
 relocs: $(obj)/relocs
+        @:
diff --git a/arch/x86/vdso/vdso-layout.lds.S b/arch/x86/vdso/vdso-layout.lds.S
index 2e263f367b13..9df017ab2285 100644
--- a/arch/x86/vdso/vdso-layout.lds.S
+++ b/arch/x86/vdso/vdso-layout.lds.S
@@ -9,12 +9,9 @@ SECTIONS
 #ifdef BUILD_VDSO32
 #include <asm/vdso32.h>
 
-        .hpet_sect : {
-                hpet_page = . - VDSO_OFFSET(VDSO_HPET_PAGE);
-        } :text :hpet_sect
+        hpet_page = . - VDSO_OFFSET(VDSO_HPET_PAGE);
 
-        .vvar_sect : {
-                vvar = . - VDSO_OFFSET(VDSO_VVAR_PAGE);
+        vvar = . - VDSO_OFFSET(VDSO_VVAR_PAGE);
 
         /* Place all vvars at the offsets in asm/vvar.h. */
 #define EMIT_VVAR(name, offset) vvar_ ## name = vvar + offset;
@@ -22,7 +19,6 @@ SECTIONS
 #include <asm/vvar.h>
 #undef __VVAR_KERNEL_LDS
 #undef EMIT_VVAR
-        } :text :vvar_sect
 #endif
         . = SIZEOF_HEADERS;
 
@@ -61,7 +57,12 @@ SECTIONS
          */
         . = ALIGN(0x100);
 
-        .text           : { *(.text*) }                 :text   =0x90909090
+        .text           : { *(.text*) }                 :text   =0x90909090,
+
+        /*
+         * The comma above works around a bug in gold:
+         * https://sourceware.org/bugzilla/show_bug.cgi?id=16804
+         */
 
         /DISCARD/ : {
                 *(.discard)
@@ -84,8 +85,4 @@ PHDRS
         dynamic         PT_DYNAMIC      FLAGS(4);               /* PF_R */
         note            PT_NOTE         FLAGS(4);               /* PF_R */
         eh_frame_hdr    PT_GNU_EH_FRAME;
-#ifdef BUILD_VDSO32
-        vvar_sect       PT_NULL         FLAGS(4);               /* PF_R */
-        hpet_sect       PT_NULL         FLAGS(4);               /* PF_R */
-#endif
 }
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index a18eadd8bb40..7005974c3ff3 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -441,10 +441,11 @@ static int xen_cpu_up(unsigned int cpu, struct task_struct *idle)
         irq_ctx_init(cpu);
 #else
         clear_tsk_thread_flag(idle, TIF_FORK);
+#endif
         per_cpu(kernel_stack, cpu) =
                 (unsigned long)task_stack_page(idle) -
                 KERNEL_STACK_OFFSET + THREAD_SIZE;
-#endif
+
         xen_setup_runstate_info(cpu);
         xen_setup_timer(cpu);
         xen_init_lock_cpu(cpu);
diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c
index 4d3acc34a998..0ba5f3b967f0 100644
--- a/arch/x86/xen/spinlock.c
+++ b/arch/x86/xen/spinlock.c
@@ -274,7 +274,7 @@ void __init xen_init_spinlocks(void)
                 printk(KERN_DEBUG "xen: PV spinlocks disabled\n");
                 return;
         }
-
+        printk(KERN_DEBUG "xen: PV spinlocks enabled\n");
         pv_lock_ops.lock_spinning = PV_CALLEE_SAVE(xen_lock_spinning);
         pv_lock_ops.unlock_kick = xen_unlock_kick;
 }
@@ -290,6 +290,9 @@ static __init int xen_init_spinlocks_jump(void)
         if (!xen_pvspin)
                 return 0;
 
+        if (!xen_domain())
+                return 0;
+
         static_key_slow_inc(&paravirt_ticketlocks_enabled);
         return 0;
 }
diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S
index 33ca6e42a4ca..fd92a64d748e 100644
--- a/arch/x86/xen/xen-asm_32.S
+++ b/arch/x86/xen/xen-asm_32.S
@@ -75,6 +75,17 @@ ENDPROC(xen_sysexit)
  * stack state in whatever form its in, we keep things simple by only
  * using a single register which is pushed/popped on the stack.
  */
+
+.macro POP_FS
+1:
+        popw %fs
+.pushsection .fixup, "ax"
+2:      movw $0, (%esp)
+        jmp 1b
+.popsection
+        _ASM_EXTABLE(1b,2b)
+.endm
+
 ENTRY(xen_iret)
         /* test eflags for special cases */
         testl $(X86_EFLAGS_VM | XEN_EFLAGS_NMI), 8(%esp)
@@ -83,15 +94,13 @@ ENTRY(xen_iret)
         push %eax
         ESP_OFFSET=4    # bytes pushed onto stack
 
-        /*
-         * Store vcpu_info pointer for easy access.  Do it this way to
-         * avoid having to reload %fs
-         */
+        /* Store vcpu_info pointer for easy access */
 #ifdef CONFIG_SMP
-        GET_THREAD_INFO(%eax)
-        movl %ss:TI_cpu(%eax), %eax
-        movl %ss:__per_cpu_offset(,%eax,4), %eax
-        mov %ss:xen_vcpu(%eax), %eax
+        pushw %fs
+        movl $(__KERNEL_PERCPU), %eax
+        movl %eax, %fs
+        movl %fs:xen_vcpu, %eax
+        POP_FS
 #else
         movl %ss:xen_vcpu, %eax
 #endif