236 files changed, 1226 insertions, 1254 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index b649c5904a4f..a91009c61870 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -7,7 +7,6 @@ config ARM
        select HAVE_IDE if PCI || ISA || PCMCIA
        select HAVE_DMA_ATTRS
        select HAVE_DMA_CONTIGUOUS if (CPU_V6 || CPU_V6K || CPU_V7)
-        select CMA if (CPU_V6 || CPU_V6K || CPU_V7)
        select HAVE_MEMBLOCK
        select RTC_LIB
        select SYS_SUPPORTS_APM_EMULATION
@@ -294,6 +293,7 @@ config ARCH_VERSATILE
        select ICST
        select GENERIC_CLOCKEVENTS
        select ARCH_WANT_OPTIONAL_GPIOLIB
+        select NEED_MACH_IO_H if PCI
        select PLAT_VERSATILE
        select PLAT_VERSATILE_CLCD
        select PLAT_VERSATILE_FPGA_IRQ
@@ -589,6 +589,7 @@ config ARCH_ORION5X
        select PCI
        select ARCH_REQUIRE_GPIOLIB
        select GENERIC_CLOCKEVENTS
+        select NEED_MACH_IO_H
        select PLAT_ORION
        help
          Support for the following Marvell Orion 5x series SoCs:
diff --git a/arch/arm/boot/dts/mmp2-brownstone.dts b/arch/arm/boot/dts/mmp2-brownstone.dts
index 153a4b2d12b5..c9b4f27d191e 100644
--- a/arch/arm/boot/dts/mmp2-brownstone.dts
+++ b/arch/arm/boot/dts/mmp2-brownstone.dts
@@ -11,7 +11,7 @@
 /include/ "mmp2.dtsi"
 / {
-        model = "Marvell MMP2 Aspenite Development Board";
+        model = "Marvell MMP2 Brownstone Development Board";
        compatible = "mrvl,mmp2-brownstone", "mrvl,mmp2";
        chosen {
@@ -19,7 +19,7 @@
        };
        memory {
-                reg = <0x00000000 0x04000000>;
+                reg = <0x00000000 0x08000000>;
        };
        soc {
diff --git a/arch/arm/boot/dts/omap2.dtsi b/arch/arm/boot/dts/omap2.dtsi
index f2ab4ea7cc0e..581cb081cb0f 100644
--- a/arch/arm/boot/dts/omap2.dtsi
+++ b/arch/arm/boot/dts/omap2.dtsi
@@ -44,6 +44,8 @@
                        compatible = "ti,omap2-intc";
                        interrupt-controller;
                        #interrupt-cells = <1>;
+                        ti,intc-size = <96>;
+                        reg = <0x480FE000 0x1000>;
                };
                uart1: serial@4806a000 {
diff --git a/arch/arm/boot/dts/spear1310-evb.dts b/arch/arm/boot/dts/spear1310-evb.dts
index 8314e4171884..dd4358bc26e2 100644
--- a/arch/arm/boot/dts/spear1310-evb.dts
+++ b/arch/arm/boot/dts/spear1310-evb.dts
@@ -1,7 +1,7 @@
 /*
 * DTS file for SPEAr1310 Evaluation Baord
 *
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@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/spear1310.dtsi b/arch/arm/boot/dts/spear1310.dtsi
index 9e61da404d57..419ea7413d23 100644
--- a/arch/arm/boot/dts/spear1310.dtsi
+++ b/arch/arm/boot/dts/spear1310.dtsi
@@ -1,7 +1,7 @@
 /*
 * DTS file for all SPEAr1310 SoCs
 *
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@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/spear1340-evb.dts b/arch/arm/boot/dts/spear1340-evb.dts
index 0d8472e5ab9f..c9a54e06fb68 100644
--- a/arch/arm/boot/dts/spear1340-evb.dts
+++ b/arch/arm/boot/dts/spear1340-evb.dts
@@ -1,7 +1,7 @@
 /*
 * DTS file for SPEAr1340 Evaluation Baord
 *
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@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/spear1340.dtsi b/arch/arm/boot/dts/spear1340.dtsi
index a26fc47a55e8..d71fe2a68f09 100644
--- a/arch/arm/boot/dts/spear1340.dtsi
+++ b/arch/arm/boot/dts/spear1340.dtsi
@@ -1,7 +1,7 @@
 /*
 * DTS file for all SPEAr1340 SoCs
 *
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@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/spear13xx.dtsi b/arch/arm/boot/dts/spear13xx.dtsi
index 1f8e1e1481df..10dcec7e7321 100644
--- a/arch/arm/boot/dts/spear13xx.dtsi
+++ b/arch/arm/boot/dts/spear13xx.dtsi
@@ -1,7 +1,7 @@
 /*
 * DTS file for all SPEAr13xx SoCs
 *
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@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/spear300-evb.dts b/arch/arm/boot/dts/spear300-evb.dts
index fc82b1a26458..d71b8d581e3d 100644
--- a/arch/arm/boot/dts/spear300-evb.dts
+++ b/arch/arm/boot/dts/spear300-evb.dts
@@ -1,7 +1,7 @@
 /*
 * DTS file for SPEAr300 Evaluation Baord
 *
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@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/spear300.dtsi b/arch/arm/boot/dts/spear300.dtsi
index 01c5e358fdb2..ed3627c116cc 100644
--- a/arch/arm/boot/dts/spear300.dtsi
+++ b/arch/arm/boot/dts/spear300.dtsi
@@ -1,7 +1,7 @@
 /*
 * DTS file for SPEAr300 SoC
 *
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@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/spear310-evb.dts b/arch/arm/boot/dts/spear310-evb.dts
index dc5e2d445a93..b00544e0cd5d 100644
--- a/arch/arm/boot/dts/spear310-evb.dts
+++ b/arch/arm/boot/dts/spear310-evb.dts
@@ -1,7 +1,7 @@
 /*
 * DTS file for SPEAr310 Evaluation Baord
 *
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@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/spear310.dtsi b/arch/arm/boot/dts/spear310.dtsi
index e47081c494d9..62fc4fb3e5f9 100644
--- a/arch/arm/boot/dts/spear310.dtsi
+++ b/arch/arm/boot/dts/spear310.dtsi
@@ -1,7 +1,7 @@
 /*
 * DTS file for SPEAr310 SoC
 *
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@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/spear320-evb.dts b/arch/arm/boot/dts/spear320-evb.dts
index 6308fa3bec1e..c13fd1f3b09f 100644
--- a/arch/arm/boot/dts/spear320-evb.dts
+++ b/arch/arm/boot/dts/spear320-evb.dts
@@ -1,7 +1,7 @@
 /*
 * DTS file for SPEAr320 Evaluation Baord
 *
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@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/spear320.dtsi b/arch/arm/boot/dts/spear320.dtsi
index 5372ca399b1f..1f49d69595a0 100644
--- a/arch/arm/boot/dts/spear320.dtsi
+++ b/arch/arm/boot/dts/spear320.dtsi
@@ -1,7 +1,7 @@
 /*
 * DTS file for SPEAr320 SoC
 *
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@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/spear3xx.dtsi b/arch/arm/boot/dts/spear3xx.dtsi
index 91072553963f..3a8bb5736928 100644
--- a/arch/arm/boot/dts/spear3xx.dtsi
+++ b/arch/arm/boot/dts/spear3xx.dtsi
@@ -1,7 +1,7 @@
 /*
 * DTS file for all SPEAr3xx SoCs
 *
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@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/common/dmabounce.c b/arch/arm/common/dmabounce.c
index 9d7eb530f95f..aa07f5938f05 100644
--- a/arch/arm/common/dmabounce.c
+++ b/arch/arm/common/dmabounce.c
@@ -366,8 +366,8 @@ static int __dmabounce_sync_for_cpu(struct device *dev, dma_addr_t addr,
        struct safe_buffer *buf;
        unsigned long off;
-        dev_dbg(dev, "%s(dma=%#x,off=%#lx,sz=%zx,dir=%x)\n",
+        dev_dbg(dev, "%s(dma=%#x,sz=%zx,dir=%x)\n",
-                __func__, addr, off, sz, dir);
+                __func__, addr, sz, dir);
        buf = find_safe_buffer_dev(dev, addr, __func__);
        if (!buf)
@@ -377,8 +377,8 @@ static int __dmabounce_sync_for_cpu(struct device *dev, dma_addr_t addr,
        BUG_ON(buf->direction != dir);
-        dev_dbg(dev, "%s: unsafe buffer %p (dma=%#x) mapped to %p (dma=%#x)\n",
+        dev_dbg(dev, "%s: unsafe buffer %p (dma=%#x off=%#lx) mapped to %p (dma=%#x)\n",
-                __func__, buf->ptr, virt_to_dma(dev, buf->ptr),
+                __func__, buf->ptr, virt_to_dma(dev, buf->ptr), off,
                buf->safe, buf->safe_dma_addr);
        DO_STATS(dev->archdata.dmabounce->bounce_count++);
@@ -406,8 +406,8 @@ static int __dmabounce_sync_for_device(struct device *dev, dma_addr_t addr,
        struct safe_buffer *buf;
        unsigned long off;
-        dev_dbg(dev, "%s(dma=%#x,off=%#lx,sz=%zx,dir=%x)\n",
+        dev_dbg(dev, "%s(dma=%#x,sz=%zx,dir=%x)\n",
-                __func__, addr, off, sz, dir);
+                __func__, addr, sz, dir);
        buf = find_safe_buffer_dev(dev, addr, __func__);
        if (!buf)
@@ -417,8 +417,8 @@ static int __dmabounce_sync_for_device(struct device *dev, dma_addr_t addr,
        BUG_ON(buf->direction != dir);
-        dev_dbg(dev, "%s: unsafe buffer %p (dma=%#x) mapped to %p (dma=%#x)\n",
+        dev_dbg(dev, "%s: unsafe buffer %p (dma=%#x off=%#lx) mapped to %p (dma=%#x)\n",
-                __func__, buf->ptr, virt_to_dma(dev, buf->ptr),
+                __func__, buf->ptr, virt_to_dma(dev, buf->ptr), off,
                buf->safe, buf->safe_dma_addr);
        DO_STATS(dev->archdata.dmabounce->bounce_count++);
diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h
index 7be54690aeec..e42cf597f6e6 100644
--- a/arch/arm/include/asm/futex.h
+++ b/arch/arm/include/asm/futex.h
@@ -19,6 +19,7 @@
        "       .long   1b, 4f, 2b, 4f\n"                       \
        "       .popsection\n"                                  \
        "       .pushsection .fixup,\"ax\"\n"                   \
+        "       .align  2\n"                                    \
        "4:     mov     %0, " err_reg "\n"                      \
        "       b       3b\n"                                   \
        "       .popsection"
diff --git a/arch/arm/include/asm/hardware/sp810.h b/arch/arm/include/asm/hardware/sp810.h
index e0d1c0cfa548..6b9b077d86b3 100644
--- a/arch/arm/include/asm/hardware/sp810.h
+++ b/arch/arm/include/asm/hardware/sp810.h
@@ -4,7 +4,7 @@
 * ARM PrimeXsys System Controller SP810 header file
 *
 * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 437f0c426517..0d1851ca6eb9 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -495,6 +495,7 @@ ENDPROC(__und_usr)
 * The out of line fixup for the ldrt above.
 */
        .pushsection .fixup, "ax"
+        .align  2
 4:      mov     pc, r9
        .popsection
        .pushsection __ex_table,"a"
diff --git a/arch/arm/kernel/kprobes-thumb.c b/arch/arm/kernel/kprobes-thumb.c
index 8f96ec778e8d..6123daf397a7 100644
--- a/arch/arm/kernel/kprobes-thumb.c
+++ b/arch/arm/kernel/kprobes-thumb.c
@@ -660,7 +660,7 @@ static const union decode_item t32_table_1111_100x[] = {
        /* LDRSB (literal)      1111 1001 x001 1111 xxxx xxxx xxxx xxxx */
        /* LDRH (literal)       1111 1000 x011 1111 xxxx xxxx xxxx xxxx */
        /* LDRSH (literal)      1111 1001 x011 1111 xxxx xxxx xxxx xxxx */
-        DECODE_EMULATEX (0xfe5f0000, 0xf81f0000, t32_simulate_ldr_literal,
+        DECODE_SIMULATEX(0xfe5f0000, 0xf81f0000, t32_simulate_ldr_literal,
                                                 REGS(PC, NOSPPCX, 0, 0, 0)),
        /* STRB (immediate)     1111 1000 0000 xxxx xxxx 1xxx xxxx xxxx */
diff --git a/arch/arm/mach-highbank/Makefile b/arch/arm/mach-highbank/Makefile
index f8437dd238c2..ded4652ada80 100644
--- a/arch/arm/mach-highbank/Makefile
+++ b/arch/arm/mach-highbank/Makefile
@@ -1,4 +1,8 @@
-obj-y                                   := clock.o highbank.o system.o
+obj-y                                   := clock.o highbank.o system.o smc.o
+plus_sec := $(call as-instr,.arch_extension sec,+sec)
+AFLAGS_smc.o                            :=-Wa,-march=armv7-a$(plus_sec)
 obj-$(CONFIG_DEBUG_HIGHBANK_UART)       += lluart.o
 obj-$(CONFIG_SMP)                       += platsmp.o
 obj-$(CONFIG_HOTPLUG_CPU)               += hotplug.o
diff --git a/arch/arm/mach-highbank/core.h b/arch/arm/mach-highbank/core.h
index d8e2d0be64ac..141ed5171826 100644
--- a/arch/arm/mach-highbank/core.h
+++ b/arch/arm/mach-highbank/core.h
@@ -8,3 +8,4 @@ extern void highbank_lluart_map_io(void);
 static inline void highbank_lluart_map_io(void) {}
 #endif
+extern void highbank_smc1(int fn, int arg);
diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c
index 410a112bb52e..8777612b1a42 100644
--- a/arch/arm/mach-highbank/highbank.c
+++ b/arch/arm/mach-highbank/highbank.c
@@ -85,10 +85,24 @@ const static struct of_device_id irq_match[] = {
        {}
 };
+#ifdef CONFIG_CACHE_L2X0
+static void highbank_l2x0_disable(void)
+{
+        /* Disable PL310 L2 Cache controller */
+        highbank_smc1(0x102, 0x0);
+}
+#endif
 static void __init highbank_init_irq(void)
 {
        of_irq_init(irq_match);
+#ifdef CONFIG_CACHE_L2X0
+        /* Enable PL310 L2 Cache controller */
+        highbank_smc1(0x102, 0x1);
        l2x0_of_init(0, ~0UL);
+        outer_cache.disable = highbank_l2x0_disable;
+#endif
 }
 static void __init highbank_timer_init(void)
diff --git a/arch/arm/mach-highbank/smc.S b/arch/arm/mach-highbank/smc.S
new file mode 100644
index 000000000000..407d17baaaa9
--- /dev/null
+++ b/arch/arm/mach-highbank/smc.S
@@ -0,0 +1,27 @@
+/*
+ * Copied from omap44xx-smc.S Copyright (C) 2010 Texas Instruments, Inc.
+ * Copyright 2012 Calxeda, Inc.
+ *
+ * This program is free software,you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/linkage.h>
+/*
+ * This is common routine to manage secure monitor API
+ * used to modify the PL310 secure registers.
+ * 'r0' contains the value to be modified and 'r12' contains
+ * the monitor API number.
+ * Function signature : void highbank_smc1(u32 fn, u32 arg)
+ */
+ENTRY(highbank_smc1)
+        stmfd   sp!, {r4-r11, lr}
+        mov     r12, r0
+        mov     r0, r1
+        dsb
+        smc     #0
+        ldmfd   sp!, {r4-r11, pc}
+ENDPROC(highbank_smc1)
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 0021f726b153..eff4db5de0dd 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -477,6 +477,7 @@ config MACH_MX31_3DS
        select IMX_HAVE_PLATFORM_IMX2_WDT
        select IMX_HAVE_PLATFORM_IMX_I2C
        select IMX_HAVE_PLATFORM_IMX_KEYPAD
+        select IMX_HAVE_PLATFORM_IMX_SSI
        select IMX_HAVE_PLATFORM_IMX_UART
        select IMX_HAVE_PLATFORM_IPU_CORE
        select IMX_HAVE_PLATFORM_MXC_EHCI
diff --git a/arch/arm/mach-imx/clk-imx1.c b/arch/arm/mach-imx/clk-imx1.c
index 0f0beb580b73..516ddee1948e 100644
--- a/arch/arm/mach-imx/clk-imx1.c
+++ b/arch/arm/mach-imx/clk-imx1.c
@@ -108,8 +108,7 @@ int __init mx1_clocks_init(unsigned long fref)
        clk_register_clkdev(clk[clk32], NULL, "mxc_rtc.0");
        clk_register_clkdev(clk[clko], "clko", NULL);
-        mxc_timer_init(NULL, MX1_IO_ADDRESS(MX1_TIM1_BASE_ADDR),
+        mxc_timer_init(MX1_IO_ADDRESS(MX1_TIM1_BASE_ADDR), MX1_TIM1_INT);
-                        MX1_TIM1_INT);
        return 0;
 }
diff --git a/arch/arm/mach-imx/clk-imx21.c b/arch/arm/mach-imx/clk-imx21.c
index 4e4f384ee8dd..ea13e61bd5f3 100644
--- a/arch/arm/mach-imx/clk-imx21.c
+++ b/arch/arm/mach-imx/clk-imx21.c
@@ -180,7 +180,7 @@ int __init mx21_clocks_init(unsigned long lref, unsigned long href)
        clk_register_clkdev(clk[sdhc1_ipg_gate], "sdhc1", NULL);
        clk_register_clkdev(clk[sdhc2_ipg_gate], "sdhc2", NULL);
-        mxc_timer_init(NULL, MX21_IO_ADDRESS(MX21_GPT1_BASE_ADDR),
+        mxc_timer_init(MX21_IO_ADDRESS(MX21_GPT1_BASE_ADDR), MX21_INT_GPT1);
-                        MX21_INT_GPT1);
        return 0;
 }
diff --git a/arch/arm/mach-imx/clk-imx25.c b/arch/arm/mach-imx/clk-imx25.c
index d9833bb5fd61..fdd8cc87c9fe 100644
--- a/arch/arm/mach-imx/clk-imx25.c
+++ b/arch/arm/mach-imx/clk-imx25.c
@@ -243,6 +243,6 @@ int __init mx25_clocks_init(void)
        clk_register_clkdev(clk[sdma_ahb], "ahb", "imx35-sdma");
        clk_register_clkdev(clk[iim_ipg], "iim", NULL);
-        mxc_timer_init(NULL, MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), 54);
+        mxc_timer_init(MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), 54);
        return 0;
 }
diff --git a/arch/arm/mach-imx/clk-imx27.c b/arch/arm/mach-imx/clk-imx27.c
index 50a7ebd8d1b2..295cbd7c08dc 100644
--- a/arch/arm/mach-imx/clk-imx27.c
+++ b/arch/arm/mach-imx/clk-imx27.c
@@ -263,8 +263,7 @@ int __init mx27_clocks_init(unsigned long fref)
        clk_register_clkdev(clk[ssi1_baud_gate], "bitrate" , "imx-ssi.0");
        clk_register_clkdev(clk[ssi2_baud_gate], "bitrate" , "imx-ssi.1");
-        mxc_timer_init(NULL, MX27_IO_ADDRESS(MX27_GPT1_BASE_ADDR),
+        mxc_timer_init(MX27_IO_ADDRESS(MX27_GPT1_BASE_ADDR), MX27_INT_GPT1);
-                        MX27_INT_GPT1);
        clk_prepare_enable(clk[emi_ahb_gate]);
diff --git a/arch/arm/mach-imx/clk-imx31.c b/arch/arm/mach-imx/clk-imx31.c
index a854b9cae5ea..c9a06d800f8e 100644
--- a/arch/arm/mach-imx/clk-imx31.c
+++ b/arch/arm/mach-imx/clk-imx31.c
@@ -175,8 +175,7 @@ int __init mx31_clocks_init(unsigned long fref)
        mx31_revision();
        clk_disable_unprepare(clk[iim_gate]);
-        mxc_timer_init(NULL, MX31_IO_ADDRESS(MX31_GPT1_BASE_ADDR),
+        mxc_timer_init(MX31_IO_ADDRESS(MX31_GPT1_BASE_ADDR), MX31_INT_GPT);
-                        MX31_INT_GPT);
        return 0;
 }
diff --git a/arch/arm/mach-imx/clk-imx35.c b/arch/arm/mach-imx/clk-imx35.c
index a9e60bf7dd75..920a8cc42726 100644
--- a/arch/arm/mach-imx/clk-imx35.c
+++ b/arch/arm/mach-imx/clk-imx35.c
@@ -267,11 +267,9 @@ int __init mx35_clocks_init()
        imx_print_silicon_rev("i.MX35", mx35_revision());
 #ifdef CONFIG_MXC_USE_EPIT
-        epit_timer_init(&epit1_clk,
+        epit_timer_init(MX35_IO_ADDRESS(MX35_EPIT1_BASE_ADDR), MX35_INT_EPIT1);
-                        MX35_IO_ADDRESS(MX35_EPIT1_BASE_ADDR), MX35_INT_EPIT1);
 #else
-        mxc_timer_init(NULL, MX35_IO_ADDRESS(MX35_GPT1_BASE_ADDR),
+        mxc_timer_init(MX35_IO_ADDRESS(MX35_GPT1_BASE_ADDR), MX35_INT_GPT);
-                        MX35_INT_GPT);
 #endif
        return 0;
diff --git a/arch/arm/mach-imx/clk-imx51-imx53.c b/arch/arm/mach-imx/clk-imx51-imx53.c
index fcd94f3b0f0e..a2200c77bf70 100644
--- a/arch/arm/mach-imx/clk-imx51-imx53.c
+++ b/arch/arm/mach-imx/clk-imx51-imx53.c
@@ -104,12 +104,12 @@ static void __init mx5_clocks_common_init(unsigned long rate_ckil,
                                periph_apm_sel, ARRAY_SIZE(periph_apm_sel));
        clk[main_bus] = imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 1,
                                main_bus_sel, ARRAY_SIZE(main_bus_sel));
-        clk[per_lp_apm] = imx_clk_mux("per_lp_apm", MXC_CCM_CBCDR, 1, 1,
+        clk[per_lp_apm] = imx_clk_mux("per_lp_apm", MXC_CCM_CBCMR, 1, 1,
                                per_lp_apm_sel, ARRAY_SIZE(per_lp_apm_sel));
        clk[per_pred1] = imx_clk_divider("per_pred1", "per_lp_apm", MXC_CCM_CBCDR, 6, 2);
        clk[per_pred2] = imx_clk_divider("per_pred2", "per_pred1", MXC_CCM_CBCDR, 3, 3);
        clk[per_podf] = imx_clk_divider("per_podf", "per_pred2", MXC_CCM_CBCDR, 0, 3);
-        clk[per_root] = imx_clk_mux("per_root", MXC_CCM_CBCDR, 1, 0,
+        clk[per_root] = imx_clk_mux("per_root", MXC_CCM_CBCMR, 0, 1,
                                per_root_sel, ARRAY_SIZE(per_root_sel));
        clk[ahb] = imx_clk_divider("ahb", "main_bus", MXC_CCM_CBCDR, 10, 3);
        clk[ahb_max] = imx_clk_gate2("ahb_max", "ahb", MXC_CCM_CCGR0, 28);
@@ -172,7 +172,7 @@ static void __init mx5_clocks_common_init(unsigned long rate_ckil,
        clk[pwm1_hf_gate] = imx_clk_gate2("pwm1_hf_gate", "ipg", MXC_CCM_CCGR2, 12);
        clk[pwm2_ipg_gate] = imx_clk_gate2("pwm2_ipg_gate", "ipg", MXC_CCM_CCGR2, 14);
        clk[pwm2_hf_gate] = imx_clk_gate2("pwm2_hf_gate", "ipg", MXC_CCM_CCGR2, 16);
-        clk[gpt_gate] = imx_clk_gate2("gpt_gate", "ipg", MXC_CCM_CCGR2, 18);
+        clk[gpt_gate] = imx_clk_gate2("gpt_gate", "per_root", MXC_CCM_CCGR2, 18);
        clk[fec_gate] = imx_clk_gate2("fec_gate", "ipg", MXC_CCM_CCGR2, 24);
        clk[usboh3_gate] = imx_clk_gate2("usboh3_gate", "ipg", MXC_CCM_CCGR2, 26);
        clk[usboh3_per_gate] = imx_clk_gate2("usboh3_per_gate", "usboh3_podf", MXC_CCM_CCGR2, 28);
@@ -366,8 +366,7 @@ int __init mx51_clocks_init(unsigned long rate_ckil, unsigned long rate_osc,
        clk_set_rate(clk[esdhc_b_podf], 166250000);
        /* System timer */
-        mxc_timer_init(NULL, MX51_IO_ADDRESS(MX51_GPT1_BASE_ADDR),
+        mxc_timer_init(MX51_IO_ADDRESS(MX51_GPT1_BASE_ADDR), MX51_INT_GPT);
-                MX51_INT_GPT);
        clk_prepare_enable(clk[iim_gate]);
        imx_print_silicon_rev("i.MX51", mx51_revision());
@@ -452,8 +451,7 @@ int __init mx53_clocks_init(unsigned long rate_ckil, unsigned long rate_osc,
        clk_set_rate(clk[esdhc_b_podf], 200000000);
        /* System timer */
-        mxc_timer_init(NULL, MX53_IO_ADDRESS(MX53_GPT1_BASE_ADDR),
+        mxc_timer_init(MX53_IO_ADDRESS(MX53_GPT1_BASE_ADDR), MX53_INT_GPT);
-                MX53_INT_GPT);
        clk_prepare_enable(clk[iim_gate]);
        imx_print_silicon_rev("i.MX53", mx53_revision());
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index cab02d0a15d6..17dc66a085a5 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -122,10 +122,6 @@ static const char *cko1_sels[]	= { "pll3_usb_otg", "pll2_bus", "pll1_sys", "pll5
                                    "dummy", "axi", "enfc", "ipu1_di0", "ipu1_di1", "ipu2_di0",
                                    "ipu2_di1", "ahb", "ipg", "ipg_per", "ckil", "pll4_audio", };
-static const char * const clks_init_on[] __initconst = {
-        "mmdc_ch0_axi", "mmdc_ch1_axi", "usboh3",
-};
 enum mx6q_clks {
        dummy, ckil, ckih, osc, pll2_pfd0_352m, pll2_pfd1_594m, pll2_pfd2_396m,
        pll3_pfd0_720m, pll3_pfd1_540m, pll3_pfd2_508m, pll3_pfd3_454m,
@@ -161,11 +157,14 @@ enum mx6q_clks {
 static struct clk *clk[clk_max];
+static enum mx6q_clks const clks_init_on[] __initconst = {
+        mmdc_ch0_axi, mmdc_ch1_axi,
+};
 int __init mx6q_clocks_init(void)
 {
        struct device_node *np;
        void __iomem *base;
-        struct clk *c;
        int i, irq;
        clk[dummy] = imx_clk_fixed("dummy", 0);
@@ -424,21 +423,14 @@ int __init mx6q_clocks_init(void)
        clk_register_clkdev(clk[ahb], "ahb", NULL);
        clk_register_clkdev(clk[cko1], "cko1", NULL);
-        for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) {
+        for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
-                c = clk_get_sys(clks_init_on[i], NULL);
+                clk_prepare_enable(clk[clks_init_on[i]]);
-                if (IS_ERR(c)) {
-                        pr_err("%s: failed to get clk %s", __func__,
-                               clks_init_on[i]);
-                        return PTR_ERR(c);
-                }
-                clk_prepare_enable(c);
-        }
        np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt");
        base = of_iomap(np, 0);
        WARN_ON(!base);
        irq = irq_of_parse_and_map(np, 0);
-        mxc_timer_init(NULL, base, irq);
+        mxc_timer_init(base, irq);
        return 0;
 }
diff --git a/arch/arm/mach-imx/clk-pllv2.c b/arch/arm/mach-imx/clk-pllv2.c
index 4685919deb63..0440379e3628 100644
--- a/arch/arm/mach-imx/clk-pllv2.c
+++ b/arch/arm/mach-imx/clk-pllv2.c
@@ -74,30 +74,15 @@ struct clk_pllv2 {
        void __iomem    *base;
 };
-static unsigned long clk_pllv2_recalc_rate(struct clk_hw *hw,
+static unsigned long __clk_pllv2_recalc_rate(unsigned long parent_rate,
-                unsigned long parent_rate)
+                u32 dp_ctl, u32 dp_op, u32 dp_mfd, u32 dp_mfn)
 {
        long mfi, mfn, mfd, pdf, ref_clk, mfn_abs;
-        unsigned long dp_op, dp_mfd, dp_mfn, dp_ctl, pll_hfsm, dbl;
+        unsigned long dbl;
-        void __iomem *pllbase;
        s64 temp;
-        struct clk_pllv2 *pll = to_clk_pllv2(hw);
-        pllbase = pll->base;
-        dp_ctl = __raw_readl(pllbase + MXC_PLL_DP_CTL);
-        pll_hfsm = dp_ctl & MXC_PLL_DP_CTL_HFSM;
        dbl = dp_ctl & MXC_PLL_DP_CTL_DPDCK0_2_EN;
-        if (pll_hfsm == 0) {
-                dp_op = __raw_readl(pllbase + MXC_PLL_DP_OP);
-                dp_mfd = __raw_readl(pllbase + MXC_PLL_DP_MFD);
-                dp_mfn = __raw_readl(pllbase + MXC_PLL_DP_MFN);
-        } else {
-                dp_op = __raw_readl(pllbase + MXC_PLL_DP_HFS_OP);
-                dp_mfd = __raw_readl(pllbase + MXC_PLL_DP_HFS_MFD);
-                dp_mfn = __raw_readl(pllbase + MXC_PLL_DP_HFS_MFN);
-        }
        pdf = dp_op & MXC_PLL_DP_OP_PDF_MASK;
        mfi = (dp_op & MXC_PLL_DP_OP_MFI_MASK) >> MXC_PLL_DP_OP_MFI_OFFSET;
        mfi = (mfi <= 5) ? 5 : mfi;
@@ -123,18 +108,30 @@ static unsigned long clk_pllv2_recalc_rate(struct clk_hw *hw,
        return temp;
 }
-static int clk_pllv2_set_rate(struct clk_hw *hw, unsigned long rate,
+static unsigned long clk_pllv2_recalc_rate(struct clk_hw *hw,
                unsigned long parent_rate)
 {
+        u32 dp_op, dp_mfd, dp_mfn, dp_ctl;
+        void __iomem *pllbase;
        struct clk_pllv2 *pll = to_clk_pllv2(hw);
+        pllbase = pll->base;
+        dp_ctl = __raw_readl(pllbase + MXC_PLL_DP_CTL);
+        dp_op = __raw_readl(pllbase + MXC_PLL_DP_OP);
+        dp_mfd = __raw_readl(pllbase + MXC_PLL_DP_MFD);
+        dp_mfn = __raw_readl(pllbase + MXC_PLL_DP_MFN);
+        return __clk_pllv2_recalc_rate(parent_rate, dp_ctl, dp_op, dp_mfd, dp_mfn);
+}
+static int __clk_pllv2_set_rate(unsigned long rate, unsigned long parent_rate,
+                u32 *dp_op, u32 *dp_mfd, u32 *dp_mfn)
+{
        u32 reg;
-        void __iomem *pllbase;
        long mfi, pdf, mfn, mfd = 999999;
        s64 temp64;
        unsigned long quad_parent_rate;
-        unsigned long pll_hfsm, dp_ctl;
-        pllbase = pll->base;
        quad_parent_rate = 4 * parent_rate;
        pdf = mfi = -1;
@@ -144,25 +141,41 @@ static int clk_pllv2_set_rate(struct clk_hw *hw, unsigned long rate,
                return -EINVAL;
        pdf--;
-        temp64 = rate * (pdf+1) - quad_parent_rate * mfi;
+        temp64 = rate * (pdf + 1) - quad_parent_rate * mfi;
-        do_div(temp64, quad_parent_rate/1000000);
+        do_div(temp64, quad_parent_rate / 1000000);
        mfn = (long)temp64;
+        reg = mfi << 4 | pdf;
+        *dp_op = reg;
+        *dp_mfd = mfd;
+        *dp_mfn = mfn;
+        return 0;
+}
+static int clk_pllv2_set_rate(struct clk_hw *hw, unsigned long rate,
+                unsigned long parent_rate)
+{
+        struct clk_pllv2 *pll = to_clk_pllv2(hw);
+        void __iomem *pllbase;
+        u32 dp_ctl, dp_op, dp_mfd, dp_mfn;
+        int ret;
+        pllbase = pll->base;
+        ret = __clk_pllv2_set_rate(rate, parent_rate, &dp_op, &dp_mfd, &dp_mfn);
+        if (ret)
+                return ret;
        dp_ctl = __raw_readl(pllbase + MXC_PLL_DP_CTL);
        /* use dpdck0_2 */
        __raw_writel(dp_ctl | 0x1000L, pllbase + MXC_PLL_DP_CTL);
-        pll_hfsm = dp_ctl & MXC_PLL_DP_CTL_HFSM;
-        if (pll_hfsm == 0) {
+        __raw_writel(dp_op, pllbase + MXC_PLL_DP_OP);
-                reg = mfi << 4 | pdf;
+        __raw_writel(dp_mfd, pllbase + MXC_PLL_DP_MFD);
-                __raw_writel(reg, pllbase + MXC_PLL_DP_OP);
+        __raw_writel(dp_mfn, pllbase + MXC_PLL_DP_MFN);
-                __raw_writel(mfd, pllbase + MXC_PLL_DP_MFD);
-                __raw_writel(mfn, pllbase + MXC_PLL_DP_MFN);
-        } else {
-                reg = mfi << 4 | pdf;
-                __raw_writel(reg, pllbase + MXC_PLL_DP_HFS_OP);
-                __raw_writel(mfd, pllbase + MXC_PLL_DP_HFS_MFD);
-                __raw_writel(mfn, pllbase + MXC_PLL_DP_HFS_MFN);
-        }
        return 0;
 }
@@ -170,7 +183,11 @@ static int clk_pllv2_set_rate(struct clk_hw *hw, unsigned long rate,
 static long clk_pllv2_round_rate(struct clk_hw *hw, unsigned long rate,
                unsigned long *prate)
 {
-        return rate;
+        u32 dp_op, dp_mfd, dp_mfn;
+        __clk_pllv2_set_rate(rate, *prate, &dp_op, &dp_mfd, &dp_mfn);
+        return __clk_pllv2_recalc_rate(*prate, MXC_PLL_DP_CTL_DPDCK0_2_EN,
+                        dp_op, dp_mfd, dp_mfn);
 }
 static int clk_pllv2_prepare(struct clk_hw *hw)
diff --git a/arch/arm/mach-imx/crm-regs-imx5.h b/arch/arm/mach-imx/crm-regs-imx5.h
index 5e11ba7daee2..5e3f1f0f4cab 100644
--- a/arch/arm/mach-imx/crm-regs-imx5.h
+++ b/arch/arm/mach-imx/crm-regs-imx5.h
@@ -23,7 +23,7 @@
 #define MX53_DPLL1_BASE         MX53_IO_ADDRESS(MX53_PLL1_BASE_ADDR)
 #define MX53_DPLL2_BASE         MX53_IO_ADDRESS(MX53_PLL2_BASE_ADDR)
 #define MX53_DPLL3_BASE         MX53_IO_ADDRESS(MX53_PLL3_BASE_ADDR)
-#define MX53_DPLL4_BASE         MX53_IO_ADDRESS(MX53_PLL3_BASE_ADDR)
+#define MX53_DPLL4_BASE         MX53_IO_ADDRESS(MX53_PLL4_BASE_ADDR)
 /* PLL Register Offsets */
 #define MXC_PLL_DP_CTL                  0x00
diff --git a/arch/arm/mach-imx/hotplug.c b/arch/arm/mach-imx/hotplug.c
index 89493abd497c..20ed2d56c1af 100644
--- a/arch/arm/mach-imx/hotplug.c
+++ b/arch/arm/mach-imx/hotplug.c
@@ -12,6 +12,7 @@
 #include <linux/errno.h>
 #include <asm/cacheflush.h>
+#include <asm/cp15.h>
 #include <mach/common.h>
 int platform_cpu_kill(unsigned int cpu)
@@ -19,6 +20,44 @@ int platform_cpu_kill(unsigned int cpu)
        return 1;
 }
+static inline void cpu_enter_lowpower(void)
+{
+        unsigned int v;
+        flush_cache_all();
+        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_leave_lowpower(void)
+{
+        unsigned int v;
+        asm volatile(
+                "mrc    p15, 0, %0, c1, c0, 0\n"
+        "       orr     %0, %0, %1\n"
+        "       mcr     p15, 0, %0, c1, c0, 0\n"
+        "       mrc     p15, 0, %0, c1, c0, 1\n"
+        "       orr     %0, %0, %2\n"
+        "       mcr     p15, 0, %0, c1, c0, 1\n"
+          : "=&r" (v)
+          : "Ir" (CR_C), "Ir" (0x40)
+          : "cc");
+}
 /*
 * platform-specific code to shutdown a CPU
 *
@@ -26,9 +65,10 @@ int platform_cpu_kill(unsigned int cpu)
 */
 void platform_cpu_die(unsigned int cpu)
 {
-        flush_cache_all();
+        cpu_enter_lowpower();
        imx_enable_cpu(cpu, false);
        cpu_do_idle();
+        cpu_leave_lowpower();
        /* We should never return from idle */
        panic("cpu %d unexpectedly exit from shutdown\n", cpu);
diff --git a/arch/arm/mach-imx/mach-cpuimx35.c b/arch/arm/mach-imx/mach-cpuimx35.c
index c515f8ede1a1..6450303f1a7a 100644
--- a/arch/arm/mach-imx/mach-cpuimx35.c
+++ b/arch/arm/mach-imx/mach-cpuimx35.c
@@ -70,7 +70,6 @@ static struct i2c_board_info eukrea_cpuimx35_i2c_devices[] = {
                I2C_BOARD_INFO("pcf8563", 0x51),
        }, {
                I2C_BOARD_INFO("tsc2007", 0x48),
-                .type           = "tsc2007",
                .platform_data  = &tsc2007_info,
                .irq            = IMX_GPIO_TO_IRQ(TSC2007_IRQGPIO),
        },
diff --git a/arch/arm/mach-imx/mach-cpuimx51sd.c b/arch/arm/mach-imx/mach-cpuimx51sd.c
index ac50f1671e38..1e09de50cbcd 100644
--- a/arch/arm/mach-imx/mach-cpuimx51sd.c
+++ b/arch/arm/mach-imx/mach-cpuimx51sd.c
@@ -142,7 +142,6 @@ static struct i2c_board_info eukrea_cpuimx51sd_i2c_devices[] = {
                I2C_BOARD_INFO("pcf8563", 0x51),
        }, {
                I2C_BOARD_INFO("tsc2007", 0x49),
-                .type           = "tsc2007",
                .platform_data  = &tsc2007_info,
        },
 };
diff --git a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
index dff82eb57cd9..f76edb96a48a 100644
--- a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
+++ b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
@@ -116,6 +116,8 @@ static const int visstrim_m10_pins[] __initconst = {
        PB23_PF_USB_PWR,
        PB24_PF_USB_OC,
        /* CSI */
+        TVP5150_RSTN | GPIO_GPIO | GPIO_OUT,
+        TVP5150_PWDN | GPIO_GPIO | GPIO_OUT,
        PB10_PF_CSI_D0,
        PB11_PF_CSI_D1,
        PB12_PF_CSI_D2,
@@ -147,6 +149,24 @@ static struct gpio visstrim_m10_version_gpios[] = {
        { MOTHERBOARD_BIT2, GPIOF_IN, "mother-version-2" },
 };
+static const struct gpio visstrim_m10_gpios[] __initconst = {
+        {
+                .gpio = TVP5150_RSTN,
+                .flags = GPIOF_DIR_OUT | GPIOF_INIT_HIGH,
+                .label = "tvp5150_rstn",
+        },
+        {
+                .gpio = TVP5150_PWDN,
+                .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
+                .label = "tvp5150_pwdn",
+        },
+        {
+                .gpio = OTG_PHY_CS_GPIO,
+                .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
+                .label = "usbotg_cs",
+        },
+};
 /* Camera */
 static int visstrim_camera_power(struct device *dev, int on)
 {
@@ -190,13 +210,6 @@ static void __init visstrim_camera_init(void)
        struct platform_device *pdev;
        int dma;
-        /* Initialize tvp5150 gpios */
-        mxc_gpio_mode(TVP5150_RSTN | GPIO_GPIO | GPIO_OUT);
-        mxc_gpio_mode(TVP5150_PWDN | GPIO_GPIO | GPIO_OUT);
-        gpio_set_value(TVP5150_RSTN, 1);
-        gpio_set_value(TVP5150_PWDN, 0);
-        ndelay(1);
        gpio_set_value(TVP5150_PWDN, 1);
        ndelay(1);
        gpio_set_value(TVP5150_RSTN, 0);
@@ -377,10 +390,6 @@ static struct i2c_board_info visstrim_m10_i2c_devices[] = {
 /* USB OTG */
 static int otg_phy_init(struct platform_device *pdev)
 {
-        gpio_set_value(OTG_PHY_CS_GPIO, 0);
-        mdelay(10);
        return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
 }
@@ -435,6 +444,11 @@ static void __init visstrim_m10_board_init(void)
        if (ret)
                pr_err("Failed to setup pins (%d)\n", ret);
+        ret = gpio_request_array(visstrim_m10_gpios,
+                                ARRAY_SIZE(visstrim_m10_gpios));
+        if (ret)
+                pr_err("Failed to request gpios (%d)\n", ret);
        imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata);
        imx27_add_imx_uart0(&uart_pdata);
diff --git a/arch/arm/mach-imx/mach-mx21ads.c b/arch/arm/mach-imx/mach-mx21ads.c
index d14bbe949a4f..3e7401fca76c 100644
--- a/arch/arm/mach-imx/mach-mx21ads.c
+++ b/arch/arm/mach-imx/mach-mx21ads.c
@@ -32,7 +32,7 @@
 * Memory-mapped I/O on MX21ADS base board
 */
 #define MX21ADS_MMIO_BASE_ADDR   0xf5000000
-#define MX21ADS_MMIO_SIZE        SZ_16M
+#define MX21ADS_MMIO_SIZE        0xc00000
 #define MX21ADS_REG_ADDR(offset)    (void __force __iomem *) \
                (MX21ADS_MMIO_BASE_ADDR + (offset))
diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c
index 967ed5b35a45..a8983b9778d1 100644
--- a/arch/arm/mach-imx/mm-imx3.c
+++ b/arch/arm/mach-imx/mm-imx3.c
@@ -86,6 +86,7 @@ static void __iomem *imx3_ioremap_caller(unsigned long phys_addr, size_t size,
 void __init imx3_init_l2x0(void)
 {
+#ifdef CONFIG_CACHE_L2X0
        void __iomem *l2x0_base;
        void __iomem *clkctl_base;
@@ -115,6 +116,7 @@ void __init imx3_init_l2x0(void)
        }
        l2x0_init(l2x0_base, 0x00030024, 0x00000000);
+#endif
 }
 #ifdef CONFIG_SOC_IMX31
@@ -179,6 +181,8 @@ void __init imx31_soc_init(void)
        mxc_register_gpio("imx31-gpio", 1, MX31_GPIO2_BASE_ADDR, SZ_16K, MX31_INT_GPIO2, 0);
        mxc_register_gpio("imx31-gpio", 2, MX31_GPIO3_BASE_ADDR, SZ_16K, MX31_INT_GPIO3, 0);
+        pinctrl_provide_dummies();
        if (to_version == 1) {
                strncpy(imx31_sdma_pdata.fw_name, "sdma-imx31-to1.bin",
                        strlen(imx31_sdma_pdata.fw_name));
diff --git a/arch/arm/mach-imx/mm-imx5.c b/arch/arm/mach-imx/mm-imx5.c
index feeee17da96b..1d003053d562 100644
--- a/arch/arm/mach-imx/mm-imx5.c
+++ b/arch/arm/mach-imx/mm-imx5.c
@@ -202,6 +202,8 @@ void __init imx51_soc_init(void)
        mxc_register_gpio("imx31-gpio", 2, MX51_GPIO3_BASE_ADDR, SZ_16K, MX51_INT_GPIO3_LOW, MX51_INT_GPIO3_HIGH);
        mxc_register_gpio("imx31-gpio", 3, MX51_GPIO4_BASE_ADDR, SZ_16K, MX51_INT_GPIO4_LOW, MX51_INT_GPIO4_HIGH);
+        pinctrl_provide_dummies();
        /* i.mx51 has the i.mx35 type sdma */
        imx_add_imx_sdma("imx35-sdma", MX51_SDMA_BASE_ADDR, MX51_INT_SDMA, &imx51_sdma_pdata);
diff --git a/arch/arm/mach-kirkwood/board-iconnect.c b/arch/arm/mach-kirkwood/board-iconnect.c
index 2222c5739519..b0d3cc49269d 100644
--- a/arch/arm/mach-kirkwood/board-iconnect.c
+++ b/arch/arm/mach-kirkwood/board-iconnect.c
@@ -20,9 +20,6 @@
 #include <linux/mv643xx_eth.h>
 #include <linux/gpio.h>
 #include <linux/leds.h>
-#include <linux/spi/flash.h>
-#include <linux/spi/spi.h>
-#include <linux/spi/orion_spi.h>
 #include <linux/i2c.h>
 #include <linux/input.h>
 #include <linux/gpio_keys.h>
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index 25fb3fd418ef..f261cd242643 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -159,6 +159,7 @@ static struct clk __init *clk_register_gate_fn(struct device *dev,
        gate_fn->gate.flags = clk_gate_flags;
        gate_fn->gate.lock = lock;
        gate_fn->gate.hw.init = &init;
+        gate_fn->fn = fn;
        /* ops is the gate ops, but with our disable function */
        if (clk_gate_fn_ops.disable != clk_gate_fn_disable) {
@@ -193,9 +194,11 @@ static struct clk __init *kirkwood_register_gate_fn(const char *name,
                                    bit_idx, 0, &gating_lock, fn);
 }
+static struct clk *ge0, *ge1;
 void __init kirkwood_clk_init(void)
 {
-        struct clk *runit, *ge0, *ge1, *sata0, *sata1, *usb0, *sdio;
+        struct clk *runit, *sata0, *sata1, *usb0, *sdio;
        struct clk *crypto, *xor0, *xor1, *pex0, *pex1, *audio;
        tclk = clk_register_fixed_rate(NULL, "tclk", NULL,
@@ -257,6 +260,9 @@ void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data)
        orion_ge00_init(eth_data,
                        GE00_PHYS_BASE, IRQ_KIRKWOOD_GE00_SUM,
                        IRQ_KIRKWOOD_GE00_ERR);
+        /* The interface forgets the MAC address assigned by u-boot if
+        the clock is turned off, so claim the clk now. */
+        clk_prepare_enable(ge0);
 }
@@ -268,6 +274,7 @@ void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data)
        orion_ge01_init(eth_data,
                        GE01_PHYS_BASE, IRQ_KIRKWOOD_GE01_SUM,
                        IRQ_KIRKWOOD_GE01_ERR);
+        clk_prepare_enable(ge1);
 }
diff --git a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h
index 3eee37a3b501..a115142f8690 100644
--- a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h
+++ b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h
@@ -38,6 +38,7 @@
 #define IRQ_MASK_HIGH_OFF       0x0014
 #define TIMER_VIRT_BASE         (BRIDGE_VIRT_BASE | 0x0300)
+#define TIMER_PHYS_BASE         (BRIDGE_PHYS_BASE | 0x0300)
 #define L2_CONFIG_REG           (BRIDGE_VIRT_BASE | 0x0128)
 #define L2_WRITETHROUGH         0x00000010
diff --git a/arch/arm/mach-kirkwood/include/mach/kirkwood.h b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
index fede3d503efa..c5b68510776b 100644
--- a/arch/arm/mach-kirkwood/include/mach/kirkwood.h
+++ b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
@@ -80,6 +80,7 @@
 #define  UART1_VIRT_BASE        (DEV_BUS_VIRT_BASE | 0x2100)
 #define BRIDGE_VIRT_BASE        (KIRKWOOD_REGS_VIRT_BASE | 0x20000)
+#define BRIDGE_PHYS_BASE        (KIRKWOOD_REGS_PHYS_BASE | 0x20000)
 #define CRYPTO_PHYS_BASE        (KIRKWOOD_REGS_PHYS_BASE | 0x30000)
diff --git a/arch/arm/mach-mmp/irq.c b/arch/arm/mach-mmp/irq.c
index fcfe0e3bd701..e60c7d98922b 100644
--- a/arch/arm/mach-mmp/irq.c
+++ b/arch/arm/mach-mmp/irq.c
@@ -241,6 +241,7 @@ void __init mmp2_init_icu(void)
        icu_data[1].clr_mfp_irq_base = IRQ_MMP2_PMIC_BASE;
        icu_data[1].clr_mfp_hwirq = IRQ_MMP2_PMIC - IRQ_MMP2_PMIC_BASE;
        icu_data[1].nr_irqs = 2;
+        icu_data[1].cascade_irq = 4;
        icu_data[1].virq_base = IRQ_MMP2_PMIC_BASE;
        icu_data[1].domain = irq_domain_add_legacy(NULL, icu_data[1].nr_irqs,
                                                   icu_data[1].virq_base, 0,
@@ -249,6 +250,7 @@ void __init mmp2_init_icu(void)
        icu_data[2].reg_status = mmp_icu_base + 0x154;
        icu_data[2].reg_mask = mmp_icu_base + 0x16c;
        icu_data[2].nr_irqs = 2;
+        icu_data[2].cascade_irq = 5;
        icu_data[2].virq_base = IRQ_MMP2_RTC_BASE;
        icu_data[2].domain = irq_domain_add_legacy(NULL, icu_data[2].nr_irqs,
                                                   icu_data[2].virq_base, 0,
@@ -257,6 +259,7 @@ void __init mmp2_init_icu(void)
        icu_data[3].reg_status = mmp_icu_base + 0x180;
        icu_data[3].reg_mask = mmp_icu_base + 0x17c;
        icu_data[3].nr_irqs = 3;
+        icu_data[3].cascade_irq = 9;
        icu_data[3].virq_base = IRQ_MMP2_KEYPAD_BASE;
        icu_data[3].domain = irq_domain_add_legacy(NULL, icu_data[3].nr_irqs,
                                                   icu_data[3].virq_base, 0,
@@ -265,6 +268,7 @@ void __init mmp2_init_icu(void)
        icu_data[4].reg_status = mmp_icu_base + 0x158;
        icu_data[4].reg_mask = mmp_icu_base + 0x170;
        icu_data[4].nr_irqs = 5;
+        icu_data[4].cascade_irq = 17;
        icu_data[4].virq_base = IRQ_MMP2_TWSI_BASE;
        icu_data[4].domain = irq_domain_add_legacy(NULL, icu_data[4].nr_irqs,
                                                   icu_data[4].virq_base, 0,
@@ -273,6 +277,7 @@ void __init mmp2_init_icu(void)
        icu_data[5].reg_status = mmp_icu_base + 0x15c;
        icu_data[5].reg_mask = mmp_icu_base + 0x174;
        icu_data[5].nr_irqs = 15;
+        icu_data[5].cascade_irq = 35;
        icu_data[5].virq_base = IRQ_MMP2_MISC_BASE;
        icu_data[5].domain = irq_domain_add_legacy(NULL, icu_data[5].nr_irqs,
                                                   icu_data[5].virq_base, 0,
@@ -281,6 +286,7 @@ void __init mmp2_init_icu(void)
        icu_data[6].reg_status = mmp_icu_base + 0x160;
        icu_data[6].reg_mask = mmp_icu_base + 0x178;
        icu_data[6].nr_irqs = 2;
+        icu_data[6].cascade_irq = 51;
        icu_data[6].virq_base = IRQ_MMP2_MIPI_HSI1_BASE;
        icu_data[6].domain = irq_domain_add_legacy(NULL, icu_data[6].nr_irqs,
                                                   icu_data[6].virq_base, 0,
@@ -289,6 +295,7 @@ void __init mmp2_init_icu(void)
        icu_data[7].reg_status = mmp_icu_base + 0x188;
        icu_data[7].reg_mask = mmp_icu_base + 0x184;
        icu_data[7].nr_irqs = 2;
+        icu_data[7].cascade_irq = 55;
        icu_data[7].virq_base = IRQ_MMP2_MIPI_HSI0_BASE;
        icu_data[7].domain = irq_domain_add_legacy(NULL, icu_data[7].nr_irqs,
                                                   icu_data[7].virq_base, 0,
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
index 8ca14e88a31a..2c5d0ed75285 100644
--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -83,11 +83,9 @@ static struct musb_hdrc_config musb_config = {
 };
 static struct musb_hdrc_platform_data tusb_data = {
-#if defined(CONFIG_USB_MUSB_OTG)
+#ifdef CONFIG_USB_GADGET_MUSB_HDRC
        .mode           = MUSB_OTG,
-#elif defined(CONFIG_USB_MUSB_PERIPHERAL)
+#else
-        .mode           = MUSB_PERIPHERAL,
-#else /* defined(CONFIG_USB_MUSB_HOST) */
        .mode           = MUSB_HOST,
 #endif
        .set_power      = tusb_set_power,
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 79c6909eeb78..580fd17208da 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -81,13 +81,13 @@ static u8 omap3_beagle_version;
 static struct {
        int mmc1_gpio_wp;
        int usb_pwr_level;
-        int reset_gpio;
+        int dvi_pd_gpio;
        int usr_button_gpio;
        int mmc_caps;
 } beagle_config = {
        .mmc1_gpio_wp = -EINVAL,
        .usb_pwr_level = GPIOF_OUT_INIT_LOW,
-        .reset_gpio = 129,
+        .dvi_pd_gpio = -EINVAL,
        .usr_button_gpio = 4,
        .mmc_caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 };
@@ -126,21 +126,21 @@ static void __init omap3_beagle_init_rev(void)
                printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
                omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
                beagle_config.mmc1_gpio_wp = 29;
-                beagle_config.reset_gpio = 170;
+                beagle_config.dvi_pd_gpio = 170;
                beagle_config.usr_button_gpio = 7;
                break;
        case 6:
                printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
                omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
                beagle_config.mmc1_gpio_wp = 23;
-                beagle_config.reset_gpio = 170;
+                beagle_config.dvi_pd_gpio = 170;
                beagle_config.usr_button_gpio = 7;
                break;
        case 5:
                printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
                omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
                beagle_config.mmc1_gpio_wp = 23;
-                beagle_config.reset_gpio = 170;
+                beagle_config.dvi_pd_gpio = 170;
                beagle_config.usr_button_gpio = 7;
                break;
        case 0:
@@ -274,11 +274,9 @@ static int beagle_twl_gpio_setup(struct device *dev,
                if (r)
                        pr_err("%s: unable to configure nDVI_PWR_EN\n",
                                __func__);
-                r = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
-                                     "DVI_LDO_EN");
+                beagle_config.dvi_pd_gpio = gpio + 2;
-                if (r)
-                        pr_err("%s: unable to configure DVI_LDO_EN\n",
-                                __func__);
        } else {
                /*
                 * REVISIT: need ehci-omap hooks for external VBUS
@@ -287,7 +285,7 @@ static int beagle_twl_gpio_setup(struct device *dev,
                if (gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"))
                        pr_err("%s: unable to configure EHCI_nOC\n", __func__);
        }
-        dvi_panel.power_down_gpio = beagle_config.reset_gpio;
+        dvi_panel.power_down_gpio = beagle_config.dvi_pd_gpio;
        gpio_request_one(gpio + TWL4030_GPIO_MAX, beagle_config.usb_pwr_level,
                        "nEN_USB_PWR");
@@ -499,7 +497,7 @@ static void __init omap3_beagle_init(void)
        omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
        omap3_beagle_init_rev();
-        if (beagle_config.mmc1_gpio_wp != -EINVAL)
+        if (gpio_is_valid(beagle_config.mmc1_gpio_wp))
                omap_mux_init_gpio(beagle_config.mmc1_gpio_wp, OMAP_PIN_INPUT);
        mmc[0].caps = beagle_config.mmc_caps;
        omap_hsmmc_init(mmc);
@@ -510,15 +508,13 @@ static void __init omap3_beagle_init(void)
        platform_add_devices(omap3_beagle_devices,
                        ARRAY_SIZE(omap3_beagle_devices));
+        if (gpio_is_valid(beagle_config.dvi_pd_gpio))
+                omap_mux_init_gpio(beagle_config.dvi_pd_gpio, OMAP_PIN_OUTPUT);
        omap_display_init(&beagle_dss_data);
        omap_serial_init();
        omap_sdrc_init(mt46h32m32lf6_sdrc_params,
                                  mt46h32m32lf6_sdrc_params);
-        omap_mux_init_gpio(170, OMAP_PIN_INPUT);
-        /* REVISIT leave DVI powered down until it's needed ... */
-        gpio_request_one(170, GPIOF_OUT_INIT_HIGH, "DVI_nPD");
        usb_musb_init(NULL);
        usbhs_init(&usbhs_bdata);
        omap_nand_flash_init(NAND_BUSWIDTH_16, omap3beagle_nand_partitions,
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index ff53deccecab..df2534de3361 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -144,7 +144,6 @@ static struct lis3lv02d_platform_data rx51_lis3lv02d_data = {
        .release_resources = lis302_release,
        .st_min_limits = {-32, 3, 3},
        .st_max_limits = {-3, 32, 32},
-        .irq2 = OMAP_GPIO_IRQ(LIS302_IRQ2_GPIO),
 };
 #endif
@@ -1030,7 +1029,6 @@ static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_3[] = {
        {
                I2C_BOARD_INFO("lis3lv02d", 0x1d),
                .platform_data = &rx51_lis3lv02d_data,
-                .irq = OMAP_GPIO_IRQ(LIS302_IRQ1_GPIO),
        },
 #endif
 };
@@ -1056,6 +1054,10 @@ static int __init rx51_i2c_init(void)
        omap_pmic_init(1, 2200, "twl5030", INT_34XX_SYS_NIRQ, &rx51_twldata);
        omap_register_i2c_bus(2, 100, rx51_peripherals_i2c_board_info_2,
                              ARRAY_SIZE(rx51_peripherals_i2c_board_info_2));
+#if defined(CONFIG_SENSORS_LIS3_I2C) || defined(CONFIG_SENSORS_LIS3_I2C_MODULE)
+        rx51_lis3lv02d_data.irq2 = gpio_to_irq(LIS302_IRQ2_GPIO);
+        rx51_peripherals_i2c_board_info_3[0].irq = gpio_to_irq(LIS302_IRQ1_GPIO);
+#endif
        omap_register_i2c_bus(3, 400, rx51_peripherals_i2c_board_info_3,
                              ARRAY_SIZE(rx51_peripherals_i2c_board_info_3));
        return 0;
diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index 4e1a3b0e8cc8..1efdec236ae8 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -3514,7 +3514,7 @@ int __init omap3xxx_clk_init(void)
        struct omap_clk *c;
        u32 cpu_clkflg = 0;
-        if (cpu_is_omap3517()) {
+        if (soc_is_am35xx()) {
                cpu_mask = RATE_IN_34XX;
                cpu_clkflg = CK_AM35XX;
        } else if (cpu_is_omap3630()) {
diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c
index 2172f6603848..e2b701e164f6 100644
--- a/arch/arm/mach-omap2/clock44xx_data.c
+++ b/arch/arm/mach-omap2/clock44xx_data.c
@@ -84,6 +84,7 @@ static struct clk slimbus_clk = {
 static struct clk sys_32k_ck = {
        .name           = "sys_32k_ck",
+        .clkdm_name     = "prm_clkdm",
        .rate           = 32768,
        .ops            = &clkops_null,
 };
@@ -512,6 +513,7 @@ static struct clk ddrphy_ck = {
        .name           = "ddrphy_ck",
        .parent         = &dpll_core_m2_ck,
        .ops            = &clkops_null,
+        .clkdm_name     = "l3_emif_clkdm",
        .fixed_div      = 2,
        .recalc         = &omap_fixed_divisor_recalc,
 };
@@ -769,6 +771,7 @@ static const struct clksel dpll_mpu_m2_div[] = {
 static struct clk dpll_mpu_m2_ck = {
        .name           = "dpll_mpu_m2_ck",
        .parent         = &dpll_mpu_ck,
+        .clkdm_name     = "cm_clkdm",
        .clksel         = dpll_mpu_m2_div,
        .clksel_reg     = OMAP4430_CM_DIV_M2_DPLL_MPU,
        .clksel_mask    = OMAP4430_DPLL_CLKOUT_DIV_MASK,
@@ -1149,6 +1152,7 @@ static const struct clksel l3_div_div[] = {
 static struct clk l3_div_ck = {
        .name           = "l3_div_ck",
        .parent         = &div_core_ck,
+        .clkdm_name     = "cm_clkdm",
        .clksel         = l3_div_div,
        .clksel_reg     = OMAP4430_CM_CLKSEL_CORE,
        .clksel_mask    = OMAP4430_CLKSEL_L3_MASK,
@@ -2824,6 +2828,7 @@ static const struct clksel trace_clk_div_div[] = {
 static struct clk trace_clk_div_ck = {
        .name           = "trace_clk_div_ck",
        .parent         = &pmd_trace_clk_mux_ck,
+        .clkdm_name     = "emu_sys_clkdm",
        .clksel         = trace_clk_div_div,
        .clksel_reg     = OMAP4430_CM_EMU_DEBUGSS_CLKCTRL,
        .clksel_mask    = OMAP4430_CLKSEL_PMD_TRACE_CLK_MASK,
diff --git a/arch/arm/mach-omap2/cm.h b/arch/arm/mach-omap2/cm.h
index a7bc096bd407..f24e3f7a2bbc 100644
--- a/arch/arm/mach-omap2/cm.h
+++ b/arch/arm/mach-omap2/cm.h
@@ -22,4 +22,15 @@
 */
 #define MAX_MODULE_READY_TIME           2000
+/*
+ * MAX_MODULE_DISABLE_TIME: max duration in microseconds to wait for
+ * the PRCM to request that a module enter the inactive state in the
+ * case of OMAP2 & 3.  In the case of OMAP4 this is the max duration
+ * in microseconds for the module to reach the inactive state from
+ * a functional state.
+ * XXX FSUSB on OMAP4430 takes ~4ms to idle after reset during
+ * kernel init.
+ */
+#define MAX_MODULE_DISABLE_TIME         5000
 #endif
diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c
index 8c86d294b1a3..1a39945d9ff8 100644
--- a/arch/arm/mach-omap2/cminst44xx.c
+++ b/arch/arm/mach-omap2/cminst44xx.c
@@ -313,9 +313,9 @@ int omap4_cminst_wait_module_idle(u8 part, u16 inst, s16 cdoffs, u16 clkctrl_off
        omap_test_timeout((_clkctrl_idlest(part, inst, cdoffs, clkctrl_offs) ==
                           CLKCTRL_IDLEST_DISABLED),
-                          MAX_MODULE_READY_TIME, i);
+                          MAX_MODULE_DISABLE_TIME, i);
-        return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY;
+        return (i < MAX_MODULE_DISABLE_TIME) ? 0 : -EBUSY;
 }
 /**
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index 54d49ddb9b81..5fb47a14f4ba 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -271,9 +271,9 @@ static struct platform_device *create_simple_dss_pdev(const char *pdev_name,
                goto err;
        }
-        r = omap_device_register(pdev);
+        r = platform_device_add(pdev);
        if (r) {
-                pr_err("Could not register omap_device for %s\n", pdev_name);
+                pr_err("Could not register platform_device for %s\n", pdev_name);
                goto err;
        }
diff --git a/arch/arm/mach-omap2/dsp.c b/arch/arm/mach-omap2/dsp.c
index 845309f146fe..88ffa1e645cd 100644
--- a/arch/arm/mach-omap2/dsp.c
+++ b/arch/arm/mach-omap2/dsp.c
@@ -20,6 +20,9 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <asm/memblock.h>
 #include "cm2xxx_3xxx.h"
 #include "prm2xxx_3xxx.h"
 #ifdef CONFIG_BRIDGE_DVFS
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 0389b3264abe..00486a8564fd 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -247,6 +247,17 @@ void __init omap3xxx_check_features(void)
        omap_features |= OMAP3_HAS_SDRC;
        /*
+         * am35x fixups:
+         * - The am35x Chip ID register has bits 12, 7:5, and 3:2 marked as
+         *   reserved and therefore return 0 when read.  Unfortunately,
+         *   OMAP3_CHECK_FEATURE() will interpret some of those zeroes to
+         *   mean that a feature is present even though it isn't so clear
+         *   the incorrectly set feature bits.
+         */
+        if (soc_is_am35xx())
+                omap_features &= ~(OMAP3_HAS_IVA | OMAP3_HAS_ISP);
+        /*
         * TODO: Get additional info (where applicable)
         *       e.g. Size of L2 cache.
         */
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index fdc4303be563..6038a8c84b74 100644
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -149,6 +149,7 @@ omap_alloc_gc(void __iomem *base, unsigned int irq_start, unsigned int num)
        ct->chip.irq_ack = omap_mask_ack_irq;
        ct->chip.irq_mask = irq_gc_mask_disable_reg;
        ct->chip.irq_unmask = irq_gc_unmask_enable_reg;
+        ct->chip.flags |= IRQCHIP_SKIP_SET_WAKE;
        ct->regs.enable = INTC_MIR_CLEAR0;
        ct->regs.disable = INTC_MIR_SET0;
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 80e55c5c9998..9fe6829f4c16 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -41,6 +41,7 @@
 #include "control.h"
 #include "mux.h"
 #include "prm.h"
+#include "common.h"
 #define OMAP_MUX_BASE_OFFSET            0x30    /* Offset from CTRL_BASE */
 #define OMAP_MUX_BASE_SZ                0x5ca
@@ -217,8 +218,7 @@ static int __init _omap_mux_get_by_name(struct omap_mux_partition *partition,
        return -ENODEV;
 }
-static int __init
+int __init omap_mux_get_by_name(const char *muxname,
-omap_mux_get_by_name(const char *muxname,
                        struct omap_mux_partition **found_partition,
                        struct omap_mux **found_mux)
 {
diff --git a/arch/arm/mach-omap2/mux.h b/arch/arm/mach-omap2/mux.h
index 69fe060a0b75..471e62a74a16 100644
--- a/arch/arm/mach-omap2/mux.h
+++ b/arch/arm/mach-omap2/mux.h
@@ -59,6 +59,7 @@
 #define OMAP_PIN_OFF_WAKEUPENABLE       OMAP_WAKEUP_EN
 #define OMAP_MODE_GPIO(x)       (((x) & OMAP_MUX_MODE7) == OMAP_MUX_MODE4)
+#define OMAP_MODE_UART(x)       (((x) & OMAP_MUX_MODE7) == OMAP_MUX_MODE0)
 /* Flags for omapX_mux_init */
 #define OMAP_PACKAGE_MASK               0xffff
@@ -225,8 +226,18 @@ omap_hwmod_mux_init(struct omap_device_pad *bpads, int nr_pads);
 */
 void omap_hwmod_mux(struct omap_hwmod_mux_info *hmux, u8 state);
+int omap_mux_get_by_name(const char *muxname,
+                struct omap_mux_partition **found_partition,
+                struct omap_mux **found_mux);
 #else
+static inline int omap_mux_get_by_name(const char *muxname,
+                struct omap_mux_partition **found_partition,
+                struct omap_mux **found_mux)
+{
+        return 0;
+}
 static inline int omap_mux_init_gpio(int gpio, int val)
 {
        return 0;
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index bf86f7e8f91f..773193670ea2 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -530,7 +530,7 @@ static int _disable_wakeup(struct omap_hwmod *oh, u32 *v)
        if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP)
                _set_slave_idlemode(oh, HWMOD_IDLEMODE_SMART, v);
        if (oh->class->sysc->idlemodes & MSTANDBY_SMART_WKUP)
-                _set_master_standbymode(oh, HWMOD_IDLEMODE_SMART_WKUP, v);
+                _set_master_standbymode(oh, HWMOD_IDLEMODE_SMART, v);
        /* XXX test pwrdm_get_wken for this hwmod's subsystem */
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index 950454a3fa31..f30e861ce6d9 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -393,8 +393,7 @@ static struct omap_hwmod_class_sysconfig omap44xx_counter_sysc = {
        .rev_offs       = 0x0000,
        .sysc_offs      = 0x0004,
        .sysc_flags     = SYSC_HAS_SIDLEMODE,
-        .idlemodes      = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
+        .idlemodes      = (SIDLE_FORCE | SIDLE_NO),
-                           SIDLE_SMART_WKUP),
        .sysc_fields    = &omap_hwmod_sysc_type1,
 };
@@ -854,6 +853,11 @@ static struct omap_hwmod omap44xx_dss_hdmi_hwmod = {
        .name           = "dss_hdmi",
        .class          = &omap44xx_hdmi_hwmod_class,
        .clkdm_name     = "l3_dss_clkdm",
+        /*
+         * HDMI audio requires to use no-idle mode. Hence,
+         * set idle mode by software.
+         */
+        .flags          = HWMOD_SWSUP_SIDLE,
        .mpu_irqs       = omap44xx_dss_hdmi_irqs,
        .sdma_reqs      = omap44xx_dss_hdmi_sdma_reqs,
        .main_clk       = "dss_48mhz_clk",
diff --git a/arch/arm/mach-omap2/omap_l3_smx.c b/arch/arm/mach-omap2/omap_l3_smx.c
index a05a62f9ee5b..acc216491b8a 100644
--- a/arch/arm/mach-omap2/omap_l3_smx.c
+++ b/arch/arm/mach-omap2/omap_l3_smx.c
@@ -155,10 +155,11 @@ static irqreturn_t omap3_l3_block_irq(struct omap3_l3 *l3,
        u8 multi = error & L3_ERROR_LOG_MULTI;
        u32 address = omap3_l3_decode_addr(error_addr);
-        WARN(true, "%s seen by %s %s at address %x\n",
+        pr_err("%s seen by %s %s at address %x\n",
                        omap3_l3_code_string(code),
                        omap3_l3_initiator_string(initid),
                        multi ? "Multiple Errors" : "", address);
+        WARN_ON(1);
        return IRQ_HANDLED;
 }
diff --git a/arch/arm/mach-omap2/omap_phy_internal.c b/arch/arm/mach-omap2/omap_phy_internal.c
index 4c90477e6f82..d52651a05daa 100644
--- a/arch/arm/mach-omap2/omap_phy_internal.c
+++ b/arch/arm/mach-omap2/omap_phy_internal.c
@@ -239,21 +239,15 @@ void am35x_set_mode(u8 musb_mode)
        devconf2 &= ~CONF2_OTGMODE;
        switch (musb_mode) {
-#ifdef  CONFIG_USB_MUSB_HDRC_HCD
        case MUSB_HOST:         /* Force VBUS valid, ID = 0 */
                devconf2 |= CONF2_FORCE_HOST;
                break;
-#endif
-#ifdef  CONFIG_USB_GADGET_MUSB_HDRC
        case MUSB_PERIPHERAL:   /* Force VBUS valid, ID = 1 */
                devconf2 |= CONF2_FORCE_DEVICE;
                break;
-#endif
-#ifdef  CONFIG_USB_MUSB_OTG
        case MUSB_OTG:          /* Don't override the VBUS/ID comparators */
                devconf2 |= CONF2_NO_OVERRIDE;
                break;
-#endif
        default:
                pr_info(KERN_INFO "Unsupported mode %u\n", musb_mode);
        }
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index a34023d0ca7c..3a595e899724 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -724,6 +724,7 @@ int __init omap3_pm_init(void)
        ret = request_irq(omap_prcm_event_to_irq("io"),
                _prcm_int_handle_io, IRQF_SHARED | IRQF_NO_SUSPEND, "pm_io",
                omap3_pm_init);
+        enable_irq(omap_prcm_event_to_irq("io"));
        if (ret) {
                pr_err("pm: Failed to request pm_io irq\n");
diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.c b/arch/arm/mach-omap2/prm2xxx_3xxx.c
index 9ce765407ad5..21cb74003a56 100644
--- a/arch/arm/mach-omap2/prm2xxx_3xxx.c
+++ b/arch/arm/mach-omap2/prm2xxx_3xxx.c
@@ -15,6 +15,7 @@
 #include <linux/errno.h>
 #include <linux/err.h>
 #include <linux/io.h>
+#include <linux/irq.h>
 #include "common.h"
 #include <plat/cpu.h>
@@ -303,8 +304,15 @@ void omap3xxx_prm_restore_irqen(u32 *saved_mask)
 static int __init omap3xxx_prcm_init(void)
 {
-        if (cpu_is_omap34xx())
+        int ret = 0;
-                return omap_prcm_register_chain_handler(&omap3_prcm_irq_setup);
-        return 0;
+        if (cpu_is_omap34xx()) {
+                ret = omap_prcm_register_chain_handler(&omap3_prcm_irq_setup);
+                if (!ret)
+                        irq_set_status_flags(omap_prcm_event_to_irq("io"),
+                                             IRQ_NOAUTOEN);
+        }
+        return ret;
 }
 subsys_initcall(omap3xxx_prcm_init);
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 292d4aaca068..c1b93c752d70 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -57,6 +57,7 @@ struct omap_uart_state {
        struct list_head node;
        struct omap_hwmod *oh;
+        struct omap_device_pad default_omap_uart_pads[2];
 };
 static LIST_HEAD(uart_list);
@@ -126,11 +127,70 @@ static void omap_uart_set_smartidle(struct platform_device *pdev) {}
 #endif /* CONFIG_PM */
 #ifdef CONFIG_OMAP_MUX
-static void omap_serial_fill_default_pads(struct omap_board_data *bdata)
+#define OMAP_UART_DEFAULT_PAD_NAME_LEN  28
+static char rx_pad_name[OMAP_UART_DEFAULT_PAD_NAME_LEN],
+                tx_pad_name[OMAP_UART_DEFAULT_PAD_NAME_LEN] __initdata;
+static void  __init
+omap_serial_fill_uart_tx_rx_pads(struct omap_board_data *bdata,
+                                struct omap_uart_state *uart)
+{
+        uart->default_omap_uart_pads[0].name = rx_pad_name;
+        uart->default_omap_uart_pads[0].flags = OMAP_DEVICE_PAD_REMUX |
+                                                        OMAP_DEVICE_PAD_WAKEUP;
+        uart->default_omap_uart_pads[0].enable = OMAP_PIN_INPUT |
+                                                        OMAP_MUX_MODE0;
+        uart->default_omap_uart_pads[0].idle = OMAP_PIN_INPUT | OMAP_MUX_MODE0;
+        uart->default_omap_uart_pads[1].name = tx_pad_name;
+        uart->default_omap_uart_pads[1].enable = OMAP_PIN_OUTPUT |
+                                                        OMAP_MUX_MODE0;
+        bdata->pads = uart->default_omap_uart_pads;
+        bdata->pads_cnt = ARRAY_SIZE(uart->default_omap_uart_pads);
+}
+static void  __init omap_serial_check_wakeup(struct omap_board_data *bdata,
+                                                struct omap_uart_state *uart)
 {
+        struct omap_mux_partition *tx_partition = NULL, *rx_partition = NULL;
+        struct omap_mux *rx_mux = NULL, *tx_mux = NULL;
+        char *rx_fmt, *tx_fmt;
+        int uart_nr = bdata->id + 1;
+        if (bdata->id != 2) {
+                rx_fmt = "uart%d_rx.uart%d_rx";
+                tx_fmt = "uart%d_tx.uart%d_tx";
+        } else {
+                rx_fmt = "uart%d_rx_irrx.uart%d_rx_irrx";
+                tx_fmt = "uart%d_tx_irtx.uart%d_tx_irtx";
+        }
+        snprintf(rx_pad_name, OMAP_UART_DEFAULT_PAD_NAME_LEN, rx_fmt,
+                        uart_nr, uart_nr);
+        snprintf(tx_pad_name, OMAP_UART_DEFAULT_PAD_NAME_LEN, tx_fmt,
+                        uart_nr, uart_nr);
+        if (omap_mux_get_by_name(rx_pad_name, &rx_partition, &rx_mux) >= 0 &&
+                        omap_mux_get_by_name
+                                (tx_pad_name, &tx_partition, &tx_mux) >= 0) {
+                u16 tx_mode, rx_mode;
+                tx_mode = omap_mux_read(tx_partition, tx_mux->reg_offset);
+                rx_mode = omap_mux_read(rx_partition, rx_mux->reg_offset);
+                /*
+                 * Check if uart is used in default tx/rx mode i.e. in mux mode0
+                 * if yes then configure rx pin for wake up capability
+                 */
+                if (OMAP_MODE_UART(rx_mode) && OMAP_MODE_UART(tx_mode))
+                        omap_serial_fill_uart_tx_rx_pads(bdata, uart);
+        }
 }
 #else
-static void omap_serial_fill_default_pads(struct omap_board_data *bdata) {}
+static void __init omap_serial_check_wakeup(struct omap_board_data *bdata,
+                struct omap_uart_state *uart)
+{
+}
 #endif
 static char *cmdline_find_option(char *str)
@@ -287,8 +347,7 @@ void __init omap_serial_board_init(struct omap_uart_port_info *info)
                bdata.pads = NULL;
                bdata.pads_cnt = 0;
-                if (cpu_is_omap44xx() || cpu_is_omap34xx())
+                omap_serial_check_wakeup(&bdata, uart);
-                        omap_serial_fill_default_pads(&bdata);
                if (!info)
                        omap_serial_init_port(&bdata, NULL);
diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c
index b19d1b43c12e..c4a576856661 100644
--- a/arch/arm/mach-omap2/usb-musb.c
+++ b/arch/arm/mach-omap2/usb-musb.c
@@ -41,12 +41,10 @@ static struct musb_hdrc_config musb_config = {
 };
 static struct musb_hdrc_platform_data musb_plat = {
-#ifdef CONFIG_USB_MUSB_OTG
+#ifdef CONFIG_USB_GADGET_MUSB_HDRC
        .mode           = MUSB_OTG,
-#elif defined(CONFIG_USB_MUSB_HDRC_HCD)
+#else
        .mode           = MUSB_HOST,
-#elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
-        .mode           = MUSB_PERIPHERAL,
 #endif
        /* .clock is set dynamically */
        .config         = &musb_config,
diff --git a/arch/arm/mach-omap2/usb-tusb6010.c b/arch/arm/mach-omap2/usb-tusb6010.c
index db84a46ce7fd..805bea6edf17 100644
--- a/arch/arm/mach-omap2/usb-tusb6010.c
+++ b/arch/arm/mach-omap2/usb-tusb6010.c
@@ -300,7 +300,7 @@ tusb6010_setup_interface(struct musb_hdrc_platform_data *data,
                printk(error, 3, status);
                return status;
        }
-        tusb_resources[2].start = irq + IH_GPIO_BASE;
+        tusb_resources[2].start = gpio_to_irq(irq);
        /* set up memory timings ... can speed them up later */
        if (!ps_refclk) {
diff --git a/arch/arm/mach-orion5x/include/mach/bridge-regs.h b/arch/arm/mach-orion5x/include/mach/bridge-regs.h
index 96484bcd34ca..11a3c1e9801f 100644
--- a/arch/arm/mach-orion5x/include/mach/bridge-regs.h
+++ b/arch/arm/mach-orion5x/include/mach/bridge-regs.h
@@ -35,5 +35,5 @@
 #define MAIN_IRQ_MASK           (ORION5X_BRIDGE_VIRT_BASE | 0x204)
 #define TIMER_VIRT_BASE         (ORION5X_BRIDGE_VIRT_BASE | 0x300)
+#define TIMER_PHYS_BASE         (ORION5X_BRIDGE_PHYS_BASE | 0x300)
 #endif
diff --git a/arch/arm/mach-orion5x/include/mach/io.h b/arch/arm/mach-orion5x/include/mach/io.h
new file mode 100644
index 000000000000..1aa5d0a50a0b
--- /dev/null
+++ b/arch/arm/mach-orion5x/include/mach/io.h
@@ -0,0 +1,22 @@
+/*
+ * arch/arm/mach-orion5x/include/mach/io.h
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+#ifndef __ASM_ARCH_IO_H
+#define __ASM_ARCH_IO_H
+#include <mach/orion5x.h>
+#include <asm/sizes.h>
+#define IO_SPACE_LIMIT          SZ_2M
+static inline void __iomem *__io(unsigned long addr)
+{
+        return (void __iomem *)(addr + ORION5X_PCIE_IO_VIRT_BASE);
+}
+#define __io(a)                  __io(a)
+#endif
diff --git a/arch/arm/mach-orion5x/include/mach/orion5x.h b/arch/arm/mach-orion5x/include/mach/orion5x.h
index 2745f5d95b3f..683e085ce162 100644
--- a/arch/arm/mach-orion5x/include/mach/orion5x.h
+++ b/arch/arm/mach-orion5x/include/mach/orion5x.h
@@ -82,6 +82,7 @@
 #define  UART1_VIRT_BASE                (ORION5X_DEV_BUS_VIRT_BASE | 0x2100)
 #define ORION5X_BRIDGE_VIRT_BASE        (ORION5X_REGS_VIRT_BASE | 0x20000)
+#define ORION5X_BRIDGE_PHYS_BASE        (ORION5X_REGS_PHYS_BASE | 0x20000)
 #define ORION5X_PCI_VIRT_BASE           (ORION5X_REGS_VIRT_BASE | 0x30000)
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index f31383c32f9c..df33909205e2 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -186,6 +186,12 @@ config SH_TIMER_TMU
        help
          This enables build of the TMU timer driver.
+config EM_TIMER_STI
+        bool "STI timer driver"
+        default y
+        help
+          This enables build of the STI timer driver.
 endmenu
 config SH_CLK_CPG
diff --git a/arch/arm/mach-spear13xx/include/mach/debug-macro.S b/arch/arm/mach-spear13xx/include/mach/debug-macro.S
index ea1564609bd4..9e3ae6bfe50d 100644
--- a/arch/arm/mach-spear13xx/include/mach/debug-macro.S
+++ b/arch/arm/mach-spear13xx/include/mach/debug-macro.S
@@ -4,7 +4,7 @@
 * Debugging macro include header spear13xx machine family
 *
 * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear13xx/include/mach/dma.h b/arch/arm/mach-spear13xx/include/mach/dma.h
index 383ab04dc6c9..d50bdb605925 100644
--- a/arch/arm/mach-spear13xx/include/mach/dma.h
+++ b/arch/arm/mach-spear13xx/include/mach/dma.h
@@ -4,7 +4,7 @@
 * DMA information for SPEAr13xx machine family
 *
 * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear13xx/include/mach/generic.h b/arch/arm/mach-spear13xx/include/mach/generic.h
index 6d8c45b9f298..dac57fd0cdfd 100644
--- a/arch/arm/mach-spear13xx/include/mach/generic.h
+++ b/arch/arm/mach-spear13xx/include/mach/generic.h
@@ -4,7 +4,7 @@
 * spear13xx machine family generic header file
 *
 * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear13xx/include/mach/gpio.h b/arch/arm/mach-spear13xx/include/mach/gpio.h
index cd6f4f86a56b..85f176311f63 100644
--- a/arch/arm/mach-spear13xx/include/mach/gpio.h
+++ b/arch/arm/mach-spear13xx/include/mach/gpio.h
@@ -4,7 +4,7 @@
 * GPIO macros for SPEAr13xx machine family
 *
 * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear13xx/include/mach/irqs.h b/arch/arm/mach-spear13xx/include/mach/irqs.h
index f542a24aa5f2..271a62b4cd31 100644
--- a/arch/arm/mach-spear13xx/include/mach/irqs.h
+++ b/arch/arm/mach-spear13xx/include/mach/irqs.h
@@ -4,7 +4,7 @@
 * IRQ helper macros for spear13xx machine family
 *
 * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear13xx/include/mach/spear.h b/arch/arm/mach-spear13xx/include/mach/spear.h
index 30c57ef72686..65f27def239b 100644
--- a/arch/arm/mach-spear13xx/include/mach/spear.h
+++ b/arch/arm/mach-spear13xx/include/mach/spear.h
@@ -4,7 +4,7 @@
 * spear13xx Machine family specific definition
 *
 * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear13xx/include/mach/timex.h b/arch/arm/mach-spear13xx/include/mach/timex.h
index 31af3e8d976e..3a58b8284a6a 100644
--- a/arch/arm/mach-spear13xx/include/mach/timex.h
+++ b/arch/arm/mach-spear13xx/include/mach/timex.h
@@ -4,7 +4,7 @@
 * SPEAr3XX machine family specific timex definitions
 *
 * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear13xx/include/mach/uncompress.h b/arch/arm/mach-spear13xx/include/mach/uncompress.h
index c7840896ae6e..70fe72f05dea 100644
--- a/arch/arm/mach-spear13xx/include/mach/uncompress.h
+++ b/arch/arm/mach-spear13xx/include/mach/uncompress.h
@@ -4,7 +4,7 @@
 * Serial port stubs for kernel decompress status messages
 *
 * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear13xx/spear1310.c b/arch/arm/mach-spear13xx/spear1310.c
index fefd15b2f380..732d29bc7330 100644
--- a/arch/arm/mach-spear13xx/spear1310.c
+++ b/arch/arm/mach-spear13xx/spear1310.c
@@ -4,7 +4,7 @@
 * SPEAr1310 machine source file
 *
 * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear13xx/spear1340.c b/arch/arm/mach-spear13xx/spear1340.c
index ee38cbc56869..81e4ed76ad06 100644
--- a/arch/arm/mach-spear13xx/spear1340.c
+++ b/arch/arm/mach-spear13xx/spear1340.c
@@ -4,7 +4,7 @@
 * SPEAr1340 machine source file
 *
 * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear13xx/spear13xx.c b/arch/arm/mach-spear13xx/spear13xx.c
index 50b349ae863d..cf936b106e27 100644
--- a/arch/arm/mach-spear13xx/spear13xx.c
+++ b/arch/arm/mach-spear13xx/spear13xx.c
@@ -4,7 +4,7 @@
 * SPEAr13XX machines common source file
 *
 * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear3xx/include/mach/debug-macro.S b/arch/arm/mach-spear3xx/include/mach/debug-macro.S
index 590519f10d6e..0a6381fad5d9 100644
--- a/arch/arm/mach-spear3xx/include/mach/debug-macro.S
+++ b/arch/arm/mach-spear3xx/include/mach/debug-macro.S
@@ -4,7 +4,7 @@
 * Debugging macro include header spear3xx machine family
 *
 * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar<viresh.linux@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
diff --git a/arch/arm/mach-spear3xx/include/mach/generic.h b/arch/arm/mach-spear3xx/include/mach/generic.h
index 4a95b9453c2a..ce19113ca791 100644
--- a/arch/arm/mach-spear3xx/include/mach/generic.h
+++ b/arch/arm/mach-spear3xx/include/mach/generic.h
@@ -4,7 +4,7 @@
 * SPEAr3XX machine family generic header file
 *
 * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar<viresh.linux@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
diff --git a/arch/arm/mach-spear3xx/include/mach/gpio.h b/arch/arm/mach-spear3xx/include/mach/gpio.h
index 451b2081bfc9..2ac74c6db7f1 100644
--- a/arch/arm/mach-spear3xx/include/mach/gpio.h
+++ b/arch/arm/mach-spear3xx/include/mach/gpio.h
@@ -4,7 +4,7 @@
 * GPIO macros for SPEAr3xx machine family
 *
 * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar<viresh.linux@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
diff --git a/arch/arm/mach-spear3xx/include/mach/irqs.h b/arch/arm/mach-spear3xx/include/mach/irqs.h
index 51bd62a0254c..803de76f5f36 100644
--- a/arch/arm/mach-spear3xx/include/mach/irqs.h
+++ b/arch/arm/mach-spear3xx/include/mach/irqs.h
@@ -4,7 +4,7 @@
 * IRQ helper macros for SPEAr3xx machine family
 *
 * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear3xx/include/mach/misc_regs.h b/arch/arm/mach-spear3xx/include/mach/misc_regs.h
index 18e2ac576f25..6309bf68d6f8 100644
--- a/arch/arm/mach-spear3xx/include/mach/misc_regs.h
+++ b/arch/arm/mach-spear3xx/include/mach/misc_regs.h
@@ -4,7 +4,7 @@
 * Miscellaneous registers definitions for SPEAr3xx machine family
 *
 * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear3xx/include/mach/spear.h b/arch/arm/mach-spear3xx/include/mach/spear.h
index 51eb953148a9..8cca95193d4d 100644
--- a/arch/arm/mach-spear3xx/include/mach/spear.h
+++ b/arch/arm/mach-spear3xx/include/mach/spear.h
@@ -4,7 +4,7 @@
 * SPEAr3xx Machine family specific definition
 *
 * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear3xx/include/mach/timex.h b/arch/arm/mach-spear3xx/include/mach/timex.h
index a38cc9de876f..9f5d08bd0c44 100644
--- a/arch/arm/mach-spear3xx/include/mach/timex.h
+++ b/arch/arm/mach-spear3xx/include/mach/timex.h
@@ -4,7 +4,7 @@
 * SPEAr3XX machine family specific timex definitions
 *
 * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear3xx/include/mach/uncompress.h b/arch/arm/mach-spear3xx/include/mach/uncompress.h
index 53ba8bbc0dfa..b909b011f7c8 100644
--- a/arch/arm/mach-spear3xx/include/mach/uncompress.h
+++ b/arch/arm/mach-spear3xx/include/mach/uncompress.h
@@ -4,7 +4,7 @@
 * Serial port stubs for kernel decompress status messages
 *
 * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear3xx/spear300.c b/arch/arm/mach-spear3xx/spear300.c
index f74a05bdb829..0f882ecb7d81 100644
--- a/arch/arm/mach-spear3xx/spear300.c
+++ b/arch/arm/mach-spear3xx/spear300.c
@@ -4,7 +4,7 @@
 * SPEAr300 machine source file
 *
 * Copyright (C) 2009-2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear3xx/spear310.c b/arch/arm/mach-spear3xx/spear310.c
index 84dfb0900747..bbcf4571d361 100644
--- a/arch/arm/mach-spear3xx/spear310.c
+++ b/arch/arm/mach-spear3xx/spear310.c
@@ -4,7 +4,7 @@
 * SPEAr310 machine source file
 *
 * Copyright (C) 2009-2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear3xx/spear320.c b/arch/arm/mach-spear3xx/spear320.c
index a88fa841d29d..88d483bcd66a 100644
--- a/arch/arm/mach-spear3xx/spear320.c
+++ b/arch/arm/mach-spear3xx/spear320.c
@@ -4,7 +4,7 @@
 * SPEAr320 machine source file
 *
 * Copyright (C) 2009-2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c
index f22419ed74a8..0f41bd1c47c3 100644
--- a/arch/arm/mach-spear3xx/spear3xx.c
+++ b/arch/arm/mach-spear3xx/spear3xx.c
@@ -4,7 +4,7 @@
 * SPEAr3XX machines common source file
 *
 * Copyright (C) 2009-2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear6xx/include/mach/gpio.h b/arch/arm/mach-spear6xx/include/mach/gpio.h
index 3a789dbb69f7..d42cefc0356d 100644
--- a/arch/arm/mach-spear6xx/include/mach/gpio.h
+++ b/arch/arm/mach-spear6xx/include/mach/gpio.h
@@ -4,7 +4,7 @@
 * GPIO macros for SPEAr6xx machine family
 *
 * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-spear6xx/include/mach/misc_regs.h b/arch/arm/mach-spear6xx/include/mach/misc_regs.h
index 179e45774b3a..c34acc201d34 100644
--- a/arch/arm/mach-spear6xx/include/mach/misc_regs.h
+++ b/arch/arm/mach-spear6xx/include/mach/misc_regs.h
@@ -4,7 +4,7 @@
 * Miscellaneous registers definitions for SPEAr6xx machine family
 *
 * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/mach-tegra/reset.c b/arch/arm/mach-tegra/reset.c
index 4d6a2ee99c3b..5beb7ebe2948 100644
--- a/arch/arm/mach-tegra/reset.c
+++ b/arch/arm/mach-tegra/reset.c
@@ -33,7 +33,7 @@
 static bool is_enabled;
-static void tegra_cpu_reset_handler_enable(void)
+static void __init tegra_cpu_reset_handler_enable(void)
 {
        void __iomem *iram_base = IO_ADDRESS(TEGRA_IRAM_RESET_BASE);
        void __iomem *evp_cpu_reset =
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index 9c74ac545849..1509a3cb5833 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -580,43 +580,12 @@ static void ux500_uart0_reset(void)
        udelay(1);
 }
-/* This needs to be referenced by callbacks */
-struct pinctrl *u0_p;
-struct pinctrl_state *u0_def;
-struct pinctrl_state *u0_sleep;
-static void ux500_uart0_init(void)
-{
-        int ret;
-        if (IS_ERR(u0_p) || IS_ERR(u0_def))
-                return;
-        ret = pinctrl_select_state(u0_p, u0_def);
-        if (ret)
-                pr_err("could not set UART0 defstate\n");
-}
-static void ux500_uart0_exit(void)
-{
-        int ret;
-        if (IS_ERR(u0_p) || IS_ERR(u0_sleep))
-                return;
-        ret = pinctrl_select_state(u0_p, u0_sleep);
-        if (ret)
-                pr_err("could not set UART0 idlestate\n");
-}
 static struct amba_pl011_data uart0_plat = {
 #ifdef CONFIG_STE_DMA40
        .dma_filter = stedma40_filter,
        .dma_rx_param = &uart0_dma_cfg_rx,
        .dma_tx_param = &uart0_dma_cfg_tx,
 #endif
-        .init = ux500_uart0_init,
-        .exit = ux500_uart0_exit,
        .reset = ux500_uart0_reset,
 };
@@ -638,28 +607,7 @@ static struct amba_pl011_data uart2_plat = {
 static void __init mop500_uart_init(struct device *parent)
 {
-        struct amba_device *uart0_device;
+        db8500_add_uart0(parent, &uart0_plat);
-        uart0_device = db8500_add_uart0(parent, &uart0_plat);
-        if (uart0_device) {
-                u0_p = pinctrl_get(&uart0_device->dev);
-                if (IS_ERR(u0_p))
-                        dev_err(&uart0_device->dev,
-                                "could not get UART0 pinctrl\n");
-                else {
-                        u0_def = pinctrl_lookup_state(u0_p,
-                                                      PINCTRL_STATE_DEFAULT);
-                        if (IS_ERR(u0_def)) {
-                                dev_err(&uart0_device->dev,
-                                        "could not get UART0 defstate\n");
-                        }
-                        u0_sleep = pinctrl_lookup_state(u0_p,
-                                                        PINCTRL_STATE_SLEEP);
-                        if (IS_ERR(u0_sleep))
-                                dev_err(&uart0_device->dev,
-                                        "could not get UART0 idlestate\n");
-                }
-        }
        db8500_add_uart1(parent, &uart1_plat);
        db8500_add_uart2(parent, &uart2_plat);
 }
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index cf4687ee2a7b..cd8ea3588f93 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -169,26 +169,13 @@ static struct map_desc versatile_io_desc[] __initdata = {
                .pfn            = __phys_to_pfn(VERSATILE_PCI_CFG_BASE),
                .length         = VERSATILE_PCI_CFG_BASE_SIZE,
                .type           = MT_DEVICE
-        },
-#if 0
-        {
-                .virtual        =  VERSATILE_PCI_VIRT_MEM_BASE0,
-                .pfn            = __phys_to_pfn(VERSATILE_PCI_MEM_BASE0),
-                .length         = SZ_16M,
-                .type           = MT_DEVICE
        }, {
-                .virtual        =  VERSATILE_PCI_VIRT_MEM_BASE1,
+                .virtual        =  (unsigned long)VERSATILE_PCI_VIRT_MEM_BASE0,
-                .pfn            = __phys_to_pfn(VERSATILE_PCI_MEM_BASE1),
+                .pfn            = __phys_to_pfn(VERSATILE_PCI_MEM_BASE0),
-                .length         = SZ_16M,
+                .length         = IO_SPACE_LIMIT,
-                .type           = MT_DEVICE
-        }, {
-                .virtual        =  VERSATILE_PCI_VIRT_MEM_BASE2,
-                .pfn            = __phys_to_pfn(VERSATILE_PCI_MEM_BASE2),
-                .length         = SZ_16M,
                .type           = MT_DEVICE
        },
 #endif
-#endif
 };
 void __init versatile_map_io(void)
diff --git a/arch/arm/mach-versatile/include/mach/hardware.h b/arch/arm/mach-versatile/include/mach/hardware.h
index 4d4973dd8fba..408e58da46c6 100644
--- a/arch/arm/mach-versatile/include/mach/hardware.h
+++ b/arch/arm/mach-versatile/include/mach/hardware.h
@@ -29,8 +29,9 @@
 */
 #define VERSATILE_PCI_VIRT_BASE         (void __iomem *)0xe8000000ul
 #define VERSATILE_PCI_CFG_VIRT_BASE     (void __iomem *)0xe9000000ul
+#define VERSATILE_PCI_VIRT_MEM_BASE0    (void __iomem *)PCIO_BASE
-/* macro to get at IO space when running virtually */
+/* macro to get at MMIO space when running virtually */
 #define IO_ADDRESS(x)           (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000)
 #define __io_address(n)         ((void __iomem __force *)IO_ADDRESS(n))
diff --git a/arch/arm/mach-versatile/include/mach/io.h b/arch/arm/mach-versatile/include/mach/io.h
new file mode 100644
index 000000000000..0406513be7d8
--- /dev/null
+++ b/arch/arm/mach-versatile/include/mach/io.h
@@ -0,0 +1,27 @@
+/*
+ *  arch/arm/mach-versatile/include/mach/io.h
+ *
+ *  Copyright (C) 2003 ARM Limited
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+#define PCIO_BASE       0xeb000000ul
+#define __io(a)         ((a) + PCIO_BASE)
+#endif
diff --git a/arch/arm/mach-versatile/pci.c b/arch/arm/mach-versatile/pci.c
index 15c6a00000ec..bec933b04ef0 100644
--- a/arch/arm/mach-versatile/pci.c
+++ b/arch/arm/mach-versatile/pci.c
@@ -169,11 +169,18 @@ static struct pci_ops pci_versatile_ops = {
        .write  = versatile_write_config,
 };
+static struct resource io_port = {
+        .name   = "PCI",
+        .start  = 0,
+        .end    = IO_SPACE_LIMIT,
+        .flags  = IORESOURCE_IO,
+};
 static struct resource io_mem = {
        .name   = "PCI I/O space",
        .start  = VERSATILE_PCI_MEM_BASE0,
        .end    = VERSATILE_PCI_MEM_BASE0+VERSATILE_PCI_MEM_BASE0_SIZE-1,
-        .flags  = IORESOURCE_IO,
+        .flags  = IORESOURCE_MEM,
 };
 static struct resource non_mem = {
@@ -200,6 +207,12 @@ static int __init pci_versatile_setup_resources(struct pci_sys_data *sys)
                       "memory region (%d)\n", ret);
                goto out;
        }
+        ret = request_resource(&ioport_resource, &io_port);
+        if (ret) {
+                printk(KERN_ERR "PCI: unable to allocate I/O "
+                       "port region (%d)\n", ret);
+                goto out;
+        }
        ret = request_resource(&iomem_resource, &non_mem);
        if (ret) {
                printk(KERN_ERR "PCI: unable to allocate non-prefetchable "
@@ -218,7 +231,7 @@ static int __init pci_versatile_setup_resources(struct pci_sys_data *sys)
         * the mem resource for this bus
         * the prefetch mem resource for this bus
         */
-        pci_add_resource_offset(&sys->resources, &io_mem, sys->io_offset);
+        pci_add_resource_offset(&sys->resources, &io_port, sys->io_offset);
        pci_add_resource_offset(&sys->resources, &non_mem, sys->mem_offset);
        pci_add_resource_offset(&sys->resources, &pre_mem, sys->mem_offset);
@@ -249,6 +262,7 @@ int __init pci_versatile_setup(int nr, struct pci_sys_data *sys)
        if (nr == 0) {
                sys->mem_offset = 0;
+                sys->io_offset = 0;
                ret = pci_versatile_setup_resources(sys);
                if (ret < 0) {
                        printk("pci_versatile_setup: resources... oops?\n");
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index ea6b43154090..d766e4256b74 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -228,7 +228,7 @@ static pte_t **consistent_pte;
 #define DEFAULT_CONSISTENT_DMA_SIZE SZ_2M
-unsigned long consistent_base = CONSISTENT_END - DEFAULT_CONSISTENT_DMA_SIZE;
+static unsigned long consistent_base = CONSISTENT_END - DEFAULT_CONSISTENT_DMA_SIZE;
 void __init init_consistent_dma_size(unsigned long size)
 {
@@ -268,10 +268,8 @@ static int __init consistent_init(void)
        unsigned long base = consistent_base;
        unsigned long num_ptes = (CONSISTENT_END - base) >> PMD_SHIFT;
-#ifndef CONFIG_ARM_DMA_USE_IOMMU
+        if (IS_ENABLED(CONFIG_CMA) && !IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU))
-        if (cpu_architecture() >= CPU_ARCH_ARMv6)
                return 0;
-#endif
        consistent_pte = kmalloc(num_ptes * sizeof(pte_t), GFP_KERNEL);
        if (!consistent_pte) {
@@ -323,7 +321,7 @@ static struct arm_vmregion_head coherent_head = {
        .vm_list        = LIST_HEAD_INIT(coherent_head.vm_list),
 };
-size_t coherent_pool_size = DEFAULT_CONSISTENT_DMA_SIZE / 8;
+static size_t coherent_pool_size = DEFAULT_CONSISTENT_DMA_SIZE / 8;
 static int __init early_coherent_pool(char *p)
 {
@@ -342,7 +340,7 @@ static int __init coherent_init(void)
        struct page *page;
        void *ptr;
-        if (cpu_architecture() < CPU_ARCH_ARMv6)
+        if (!IS_ENABLED(CONFIG_CMA))
                return 0;
        ptr = __alloc_from_contiguous(NULL, size, prot, &page);
@@ -704,7 +702,7 @@ static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
        if (arch_is_coherent() || nommu())
                addr = __alloc_simple_buffer(dev, size, gfp, &page);
-        else if (cpu_architecture() < CPU_ARCH_ARMv6)
+        else if (!IS_ENABLED(CONFIG_CMA))
                addr = __alloc_remap_buffer(dev, size, gfp, prot, &page, caller);
        else if (gfp & GFP_ATOMIC)
                addr = __alloc_from_pool(dev, size, &page, caller);
@@ -773,7 +771,7 @@ void arm_dma_free(struct device *dev, size_t size, void *cpu_addr,
        if (arch_is_coherent() || nommu()) {
                __dma_free_buffer(page, size);
-        } else if (cpu_architecture() < CPU_ARCH_ARMv6) {
+        } else if (!IS_ENABLED(CONFIG_CMA)) {
                __dma_free_remap(cpu_addr, size);
                __dma_free_buffer(page, size);
        } else {
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index c21d06c7dd7e..f54d59219764 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -212,7 +212,7 @@ EXPORT_SYMBOL(arm_dma_zone_size);
 * allocations.  This must be the smallest DMA mask in the system,
 * so a successful GFP_DMA allocation will always satisfy this.
 */
-u32 arm_dma_limit;
+phys_addr_t arm_dma_limit;
 static void __init arm_adjust_dma_zone(unsigned long *size, unsigned long *hole,
        unsigned long dma_size)
diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h
index 93dc0c17cdcb..c471436c7952 100644
--- a/arch/arm/mm/mm.h
+++ b/arch/arm/mm/mm.h
@@ -62,7 +62,7 @@ extern void __flush_dcache_page(struct address_space *mapping, struct page *page
 #endif
 #ifdef CONFIG_ZONE_DMA
-extern u32 arm_dma_limit;
+extern phys_addr_t arm_dma_limit;
 #else
 #define arm_dma_limit ((u32)~0)
 #endif
diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c
index 62135849f48b..c641fb685017 100644
--- a/arch/arm/net/bpf_jit_32.c
+++ b/arch/arm/net/bpf_jit_32.c
@@ -762,6 +762,11 @@ b_epilogue:
                        update_on_xread(ctx);
                        emit(ARM_MOV_R(r_A, r_X), ctx);
                        break;
+                case BPF_S_ANC_ALU_XOR_X:
+                        /* A ^= X */
+                        update_on_xread(ctx);
+                        emit(ARM_EOR_R(r_A, r_A, r_X), ctx);
+                        break;
                case BPF_S_ANC_PROTOCOL:
                        /* A = ntohs(skb->protocol) */
                        ctx->seen |= SEEN_SKB;
diff --git a/arch/arm/net/bpf_jit_32.h b/arch/arm/net/bpf_jit_32.h
index 99ae5e3f46d2..7fa2f7d3cb90 100644
--- a/arch/arm/net/bpf_jit_32.h
+++ b/arch/arm/net/bpf_jit_32.h
@@ -68,6 +68,8 @@
 #define ARM_INST_CMP_R          0x01500000
 #define ARM_INST_CMP_I          0x03500000
+#define ARM_INST_EOR_R          0x00200000
 #define ARM_INST_LDRB_I         0x05d00000
 #define ARM_INST_LDRB_R         0x07d00000
 #define ARM_INST_LDRH_I         0x01d000b0
@@ -132,6 +134,8 @@
 #define ARM_CMP_R(rn, rm)       _AL3_R(ARM_INST_CMP, 0, rn, rm)
 #define ARM_CMP_I(rn, imm)      _AL3_I(ARM_INST_CMP, 0, rn, imm)
+#define ARM_EOR_R(rd, rn, rm)   _AL3_R(ARM_INST_EOR, rd, rn, rm)
 #define ARM_LDR_I(rt, rn, off)  (ARM_INST_LDR_I | (rt) << 12 | (rn) << 16 \
                                 | (off))
 #define ARM_LDRB_I(rt, rn, off) (ARM_INST_LDRB_I | (rt) << 12 | (rn) << 16 \
diff --git a/arch/arm/plat-mxc/epit.c b/arch/arm/plat-mxc/epit.c
index 9129c9e7d532..88726f4dbbfa 100644
--- a/arch/arm/plat-mxc/epit.c
+++ b/arch/arm/plat-mxc/epit.c
@@ -50,6 +50,7 @@
 #include <linux/irq.h>
 #include <linux/clockchips.h>
 #include <linux/clk.h>
+#include <linux/err.h>
 #include <mach/hardware.h>
 #include <asm/mach/time.h>
@@ -201,8 +202,16 @@ static int __init epit_clockevent_init(struct clk *timer_clk)
        return 0;
 }
-void __init epit_timer_init(struct clk *timer_clk, void __iomem *base, int irq)
+void __init epit_timer_init(void __iomem *base, int irq)
 {
+        struct clk *timer_clk;
+        timer_clk = clk_get_sys("imx-epit.0", NULL);
+        if (IS_ERR(timer_clk)) {
+                pr_err("i.MX epit: unable to get clk\n");
+                return;
+        }
        clk_prepare_enable(timer_clk);
        timer_base = base;
diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h
index cf663d84e7c1..e429ca1b814a 100644
--- a/arch/arm/plat-mxc/include/mach/common.h
+++ b/arch/arm/plat-mxc/include/mach/common.h
@@ -54,8 +54,8 @@ extern void imx50_soc_init(void);
 extern void imx51_soc_init(void);
 extern void imx53_soc_init(void);
 extern void imx51_init_late(void);
-extern void epit_timer_init(struct clk *timer_clk, void __iomem *base, int irq);
+extern void epit_timer_init(void __iomem *base, int irq);
-extern void mxc_timer_init(struct clk *timer_clk, void __iomem *, int);
+extern void mxc_timer_init(void __iomem *, int);
 extern int mx1_clocks_init(unsigned long fref);
 extern int mx21_clocks_init(unsigned long lref, unsigned long fref);
 extern int mx25_clocks_init(void);
diff --git a/arch/arm/plat-mxc/time.c b/arch/arm/plat-mxc/time.c
index 99f958ca6cb8..00e8e659e667 100644
--- a/arch/arm/plat-mxc/time.c
+++ b/arch/arm/plat-mxc/time.c
@@ -58,6 +58,7 @@
 /* MX31, MX35, MX25, MX5 */
 #define V2_TCTL_WAITEN          (1 << 3) /* Wait enable mode */
 #define V2_TCTL_CLK_IPG         (1 << 6)
+#define V2_TCTL_CLK_PER         (2 << 6)
 #define V2_TCTL_FRR             (1 << 9)
 #define V2_IR                   0x0c
 #define V2_TSTAT                0x08
@@ -280,23 +281,22 @@ static int __init mxc_clockevent_init(struct clk *timer_clk)
        return 0;
 }
-void __init mxc_timer_init(struct clk *timer_clk, void __iomem *base, int irq)
+void __init mxc_timer_init(void __iomem *base, int irq)
 {
        uint32_t tctl_val;
+        struct clk *timer_clk;
        struct clk *timer_ipg_clk;
-        if (!timer_clk) {
+        timer_clk = clk_get_sys("imx-gpt.0", "per");
-                timer_clk = clk_get_sys("imx-gpt.0", "per");
+        if (IS_ERR(timer_clk)) {
-                if (IS_ERR(timer_clk)) {
+                pr_err("i.MX timer: unable to get clk\n");
-                        pr_err("i.MX timer: unable to get clk\n");
+                return;
-                        return;
-                }
-                timer_ipg_clk = clk_get_sys("imx-gpt.0", "ipg");
-                if (!IS_ERR(timer_ipg_clk))
-                        clk_prepare_enable(timer_ipg_clk);
        }
+        timer_ipg_clk = clk_get_sys("imx-gpt.0", "ipg");
+        if (!IS_ERR(timer_ipg_clk))
+                clk_prepare_enable(timer_ipg_clk);
        clk_prepare_enable(timer_clk);
        timer_base = base;
@@ -309,7 +309,7 @@ void __init mxc_timer_init(struct clk *timer_clk, void __iomem *base, int irq)
        __raw_writel(0, timer_base + MXC_TPRER); /* see datasheet note */
        if (timer_is_v2())
-                tctl_val = V2_TCTL_CLK_IPG | V2_TCTL_FRR | V2_TCTL_WAITEN | MXC_TCTL_TEN;
+                tctl_val = V2_TCTL_CLK_PER | V2_TCTL_FRR | V2_TCTL_WAITEN | MXC_TCTL_TEN;
        else
                tctl_val = MX1_2_TCTL_FRR | MX1_2_TCTL_CLK_PCLK1 | MXC_TCTL_TEN;
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index 62ec5c452792..706b7e29397f 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -461,6 +461,7 @@ static int clk_dbg_show_summary(struct seq_file *s, void *unused)
        struct clk *c;
        struct clk *pa;
+        mutex_lock(&clocks_mutex);
        seq_printf(s, "%-30s %-30s %-10s %s\n",
                "clock-name", "parent-name", "rate", "use-count");
@@ -469,6 +470,7 @@ static int clk_dbg_show_summary(struct seq_file *s, void *unused)
                seq_printf(s, "%-30s %-30s %-10lu %d\n",
                        c->name, pa ? pa->name : "none", c->rate, c->usecount);
        }
+        mutex_unlock(&clocks_mutex);
        return 0;
 }
diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-omap/include/plat/cpu.h
index 297245dba66e..de6c0a08f461 100644
--- a/arch/arm/plat-omap/include/plat/cpu.h
+++ b/arch/arm/plat-omap/include/plat/cpu.h
@@ -252,8 +252,6 @@ IS_AM_SUBCLASS(335x, 0x335)
 * cpu_is_omap2423():   True for OMAP2423
 * cpu_is_omap2430():   True for OMAP2430
 * cpu_is_omap3430():   True for OMAP3430
- * cpu_is_omap3505():   True for OMAP3505
- * cpu_is_omap3517():   True for OMAP3517
 */
 #define GET_OMAP_TYPE   ((omap_rev() >> 16) & 0xffff)
@@ -277,8 +275,6 @@ IS_OMAP_TYPE(2422, 0x2422)
 IS_OMAP_TYPE(2423, 0x2423)
 IS_OMAP_TYPE(2430, 0x2430)
 IS_OMAP_TYPE(3430, 0x3430)
-IS_OMAP_TYPE(3505, 0x3517)
-IS_OMAP_TYPE(3517, 0x3517)
 #define cpu_is_omap310()                0
 #define cpu_is_omap730()                0
@@ -293,12 +289,6 @@ IS_OMAP_TYPE(3517, 0x3517)
 #define cpu_is_omap2422()               0
 #define cpu_is_omap2423()               0
 #define cpu_is_omap2430()               0
-#define cpu_is_omap3503()               0
-#define cpu_is_omap3515()               0
-#define cpu_is_omap3525()               0
-#define cpu_is_omap3530()               0
-#define cpu_is_omap3505()               0
-#define cpu_is_omap3517()               0
 #define cpu_is_omap3430()               0
 #define cpu_is_omap3630()               0
@@ -350,12 +340,6 @@ IS_OMAP_TYPE(3517, 0x3517)
 #if defined(CONFIG_ARCH_OMAP3)
 # undef cpu_is_omap3430
-# undef cpu_is_omap3503
-# undef cpu_is_omap3515
-# undef cpu_is_omap3525
-# undef cpu_is_omap3530
-# undef cpu_is_omap3505
-# undef cpu_is_omap3517
 # undef cpu_is_ti81xx
 # undef cpu_is_ti816x
 # undef cpu_is_ti814x
@@ -363,19 +347,6 @@ IS_OMAP_TYPE(3517, 0x3517)
 # undef cpu_is_am33xx
 # undef cpu_is_am335x
 # define cpu_is_omap3430()              is_omap3430()
-# define cpu_is_omap3503()              (cpu_is_omap3430() &&           \
-                                                (!omap3_has_iva()) &&   \
-                                                (!omap3_has_sgx()))
-# define cpu_is_omap3515()              (cpu_is_omap3430() &&           \
-                                                (!omap3_has_iva()) &&   \
-                                                (omap3_has_sgx()))
-# define cpu_is_omap3525()              (cpu_is_omap3430() &&           \
-                                                (!omap3_has_sgx()) &&   \
-                                                (omap3_has_iva()))
-# define cpu_is_omap3530()              (cpu_is_omap3430())
-# define cpu_is_omap3517()              is_omap3517()
-# define cpu_is_omap3505()              (cpu_is_omap3517() &&           \
-                                                !omap3_has_sgx())
 # undef cpu_is_omap3630
 # define cpu_is_omap3630()              is_omap363x()
 # define cpu_is_ti81xx()                is_ti81xx()
@@ -424,10 +395,6 @@ IS_OMAP_TYPE(3517, 0x3517)
 #define OMAP3630_REV_ES1_1      (OMAP363X_CLASS | (0x1 << 8))
 #define OMAP3630_REV_ES1_2      (OMAP363X_CLASS | (0x2 << 8))
-#define OMAP3517_CLASS          0x35170034
-#define OMAP3517_REV_ES1_0      OMAP3517_CLASS
-#define OMAP3517_REV_ES1_1      (OMAP3517_CLASS | (0x1 << 8))
 #define TI816X_CLASS            0x81600034
 #define TI8168_REV_ES1_0        TI816X_CLASS
 #define TI8168_REV_ES1_1        (TI816X_CLASS | (0x1 << 8))
diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h
index a7754a886d42..5493bd95da5e 100644
--- a/arch/arm/plat-omap/include/plat/mmc.h
+++ b/arch/arm/plat-omap/include/plat/mmc.h
@@ -172,8 +172,7 @@ struct omap_mmc_platform_data {
 extern void omap_mmc_notify_cover_event(struct device *dev, int slot,
                                        int is_closed);
-#if     defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
+#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
-        defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
 void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
                                int nr_controllers);
 void omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data);
@@ -185,7 +184,6 @@ static inline void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
 static inline void omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data)
 {
 }
 #endif
 extern int omap_msdi_reset(struct omap_hwmod *oh);
diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c
index 61fd837624a8..c1793786aea9 100644
--- a/arch/arm/plat-orion/common.c
+++ b/arch/arm/plat-orion/common.c
@@ -582,7 +582,7 @@ void __init orion_spi_1_init(unsigned long mapbase)
 * Watchdog
 ****************************************************************************/
 static struct resource orion_wdt_resource =
-                DEFINE_RES_MEM(TIMER_VIRT_BASE, 0x28);
+                DEFINE_RES_MEM(TIMER_PHYS_BASE, 0x28);
 static struct platform_device orion_wdt_device = {
        .name           = "orion_wdt",
diff --git a/arch/arm/plat-pxa/ssp.c b/arch/arm/plat-pxa/ssp.c
index 58b79809d20c..584c9bf8ed2d 100644
--- a/arch/arm/plat-pxa/ssp.c
+++ b/arch/arm/plat-pxa/ssp.c
@@ -193,6 +193,7 @@ static const struct platform_device_id ssp_id_table[] = {
        { "pxa25x-nssp",        PXA25x_NSSP },
        { "pxa27x-ssp",         PXA27x_SSP },
        { "pxa168-ssp",         PXA168_SSP },
+        { "pxa910-ssp",         PXA910_SSP },
        { },
 };
diff --git a/arch/arm/plat-spear/include/plat/debug-macro.S b/arch/arm/plat-spear/include/plat/debug-macro.S
index ab3de721c5db..75b05ad0fbad 100644
--- a/arch/arm/plat-spear/include/plat/debug-macro.S
+++ b/arch/arm/plat-spear/include/plat/debug-macro.S
@@ -4,7 +4,7 @@
 * Debugging macro include header for spear platform
 *
 * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/plat-spear/include/plat/pl080.h b/arch/arm/plat-spear/include/plat/pl080.h
index e14a3e4932f9..2bc6b54460a8 100644
--- a/arch/arm/plat-spear/include/plat/pl080.h
+++ b/arch/arm/plat-spear/include/plat/pl080.h
@@ -4,7 +4,7 @@
 * DMAC pl080 definitions for SPEAr platform
 *
 * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/plat-spear/include/plat/shirq.h b/arch/arm/plat-spear/include/plat/shirq.h
index 03ed8b585dcf..88a7fbd24793 100644
--- a/arch/arm/plat-spear/include/plat/shirq.h
+++ b/arch/arm/plat-spear/include/plat/shirq.h
@@ -4,7 +4,7 @@
 * SPEAr platform shared irq layer header file
 *
 * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/plat-spear/include/plat/timex.h b/arch/arm/plat-spear/include/plat/timex.h
index 914d09dd50fd..ef95e5b780bd 100644
--- a/arch/arm/plat-spear/include/plat/timex.h
+++ b/arch/arm/plat-spear/include/plat/timex.h
@@ -4,7 +4,7 @@
 * SPEAr platform specific timex definitions
 *
 * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/plat-spear/include/plat/uncompress.h b/arch/arm/plat-spear/include/plat/uncompress.h
index 6dd455bafdfd..2ce6cb17a98b 100644
--- a/arch/arm/plat-spear/include/plat/uncompress.h
+++ b/arch/arm/plat-spear/include/plat/uncompress.h
@@ -4,7 +4,7 @@
 * Serial port stubs for kernel decompress status messages
 *
 * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/plat-spear/pl080.c b/arch/arm/plat-spear/pl080.c
index a56a067717c1..12cf27f935f9 100644
--- a/arch/arm/plat-spear/pl080.c
+++ b/arch/arm/plat-spear/pl080.c
@@ -4,7 +4,7 @@
 * DMAC pl080 definitions for SPEAr platform
 *
 * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/plat-spear/restart.c b/arch/arm/plat-spear/restart.c
index ea0a61302b7e..4f990115b1bd 100644
--- a/arch/arm/plat-spear/restart.c
+++ b/arch/arm/plat-spear/restart.c
@@ -4,7 +4,7 @@
 * SPEAr platform specific restart functions
 *
 * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/arm/plat-spear/shirq.c b/arch/arm/plat-spear/shirq.c
index 961fb7261243..853e891e1184 100644
--- a/arch/arm/plat-spear/shirq.c
+++ b/arch/arm/plat-spear/shirq.c
@@ -4,7 +4,7 @@
 * SPEAr platform shared irq layer source file
 *
 * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@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
diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c
index c140f9b41dce..d552a854dacc 100644
--- a/arch/avr32/kernel/signal.c
+++ b/arch/avr32/kernel/signal.c
@@ -300,7 +300,7 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, struct thread_info *ti)
        if ((sysreg_read(SR) & MODE_MASK) == MODE_SUPERVISOR)
                syscall = 1;
-        if (ti->flags & _TIF_SIGPENDING))
+        if (ti->flags & _TIF_SIGPENDING)
                do_signal(regs, syscall);
        if (ti->flags & _TIF_NOTIFY_RESUME) {
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
index 2e3994b20169..62bcea7dcc6d 100644
--- a/arch/blackfin/kernel/process.c
+++ b/arch/blackfin/kernel/process.c
@@ -173,7 +173,7 @@ asmlinkage int bfin_clone(struct pt_regs *regs)
        unsigned long newsp;
 #ifdef __ARCH_SYNC_CORE_DCACHE
-        if (current->rt.nr_cpus_allowed == num_possible_cpus())
+        if (current->nr_cpus_allowed == num_possible_cpus())
                set_cpus_allowed_ptr(current, cpumask_of(smp_processor_id()));
 #endif
diff --git a/arch/h8300/kernel/setup.c b/arch/h8300/kernel/setup.c
index 68d651081bd3..d0b1607f2711 100644
--- a/arch/h8300/kernel/setup.c
+++ b/arch/h8300/kernel/setup.c
@@ -35,6 +35,7 @@
 #include <asm/setup.h>
 #include <asm/irq.h>
 #include <asm/pgtable.h>
+#include <asm/sections.h>
 #if defined(__H8300H__)
 #define CPU "H8/300H"
@@ -54,7 +55,6 @@ unsigned long memory_end;
 char __initdata command_line[COMMAND_LINE_SIZE];
-extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end;
 extern int _ramstart, _ramend;
 extern char _target_name[];
 extern void h8300_gpio_init(void);
@@ -119,9 +119,9 @@ void __init setup_arch(char **cmdline_p)
            memory_end = CONFIG_BLKDEV_RESERVE_ADDRESS; 
 #endif
-        init_mm.start_code = (unsigned long) &_stext;
+        init_mm.start_code = (unsigned long) _stext;
-        init_mm.end_code = (unsigned long) &_etext;
+        init_mm.end_code = (unsigned long) _etext;
-        init_mm.end_data = (unsigned long) &_edata;
+        init_mm.end_data = (unsigned long) _edata;
        init_mm.brk = (unsigned long) 0; 
 #if (defined(CONFIG_H8300H_SIM) || defined(CONFIG_H8S_SIM)) && defined(CONFIG_GDB_MAGICPRINT)
@@ -134,15 +134,12 @@ void __init setup_arch(char **cmdline_p)
        printk(KERN_INFO "H8/300 series support by Yoshinori Sato <ysato@users.sourceforge.jp>\n");
 #ifdef DEBUG
-        printk(KERN_DEBUG "KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x "
+        printk(KERN_DEBUG "KERNEL -> TEXT=0x%p-0x%p DATA=0x%p-0x%p "
-                "BSS=0x%06x-0x%06x\n", (int) &_stext, (int) &_etext,
+                "BSS=0x%p-0x%p\n", _stext, _etext, _sdata, _edata, __bss_start,
-                (int) &_sdata, (int) &_edata,
+                __bss_stop);
-                (int) &_sbss, (int) &_ebss);
+        printk(KERN_DEBUG "KERNEL -> ROMFS=0x%p-0x%06lx MEM=0x%06lx-0x%06lx "
-        printk(KERN_DEBUG "KERNEL -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x "
+                "STACK=0x%06lx-0x%p\n", __bss_stop, memory_start, memory_start,
-                "STACK=0x%06x-0x%06x\n",
+                memory_end, memory_end, &_ramend);
-               (int) &_ebss, (int) memory_start,
-                (int) memory_start, (int) memory_end,
-                (int) memory_end, (int) &_ramend);
 #endif
 #ifdef CONFIG_DEFAULT_CMDLINE
diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c
index 973369c32a95..981e25094b1a 100644
--- a/arch/h8300/mm/init.c
+++ b/arch/h8300/mm/init.c
@@ -36,6 +36,7 @@
 #include <asm/segment.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
+#include <asm/sections.h>
 #undef DEBUG
@@ -123,7 +124,6 @@ void __init mem_init(void)
        int codek = 0, datak = 0, initk = 0;
        /* DAVIDM look at setup memory map generically with reserved area */
        unsigned long tmp;
-        extern char _etext, _stext, _sdata, _ebss, __init_begin, __init_end;
        extern unsigned long  _ramend, _ramstart;
        unsigned long len = &_ramend - &_ramstart;
        unsigned long start_mem = memory_start; /* DAVIDM - these must start at end of kernel */
@@ -142,9 +142,9 @@ void __init mem_init(void)
        /* this will put all memory onto the freelists */
        totalram_pages = free_all_bootmem();
-        codek = (&_etext - &_stext) >> 10;
+        codek = (_etext - _stext) >> 10;
-        datak = (&_ebss - &_sdata) >> 10;
+        datak = (__bss_stop - _sdata) >> 10;
-        initk = (&__init_begin - &__init_end) >> 10;
+        initk = (__init_begin - __init_end) >> 10;
        tmp = nr_free_pages() << PAGE_SHIFT;
        printk(KERN_INFO "Memory available: %luk/%luk RAM, %luk/%luk ROM (%dk kernel code, %dk data)\n",
@@ -178,22 +178,21 @@ free_initmem(void)
 {
 #ifdef CONFIG_RAMKERNEL
        unsigned long addr;
-        extern char __init_begin, __init_end;
 /*
 *      the following code should be cool even if these sections
 *      are not page aligned.
 */
-        addr = PAGE_ALIGN((unsigned long)(&__init_begin));
+        addr = PAGE_ALIGN((unsigned long)(__init_begin));
        /* next to check that the page we free is not a partial page */
-        for (; addr + PAGE_SIZE < (unsigned long)(&__init_end); addr +=PAGE_SIZE) {
+        for (; addr + PAGE_SIZE < (unsigned long)__init_end; addr +=PAGE_SIZE) {
                ClearPageReserved(virt_to_page(addr));
                init_page_count(virt_to_page(addr));
                free_page(addr);
                totalram_pages++;
        }
        printk(KERN_INFO "Freeing unused kernel memory: %ldk freed (0x%x - 0x%x)\n",
-                        (addr - PAGE_ALIGN((long) &__init_begin)) >> 10,
+                        (addr - PAGE_ALIGN((long) __init_begin)) >> 10,
-                        (int)(PAGE_ALIGN((unsigned long)(&__init_begin))),
+                        (int)(PAGE_ALIGN((unsigned long)__init_begin)),
                        (int)(addr - PAGE_SIZE));
 #endif
 }
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index cac5b6be572a..147120128260 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -7,6 +7,8 @@ config M68K
        select GENERIC_IRQ_SHOW
        select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS
        select GENERIC_CPU_DEVICES
+        select GENERIC_STRNCPY_FROM_USER if MMU
+        select GENERIC_STRNLEN_USER if MMU
        select FPU if MMU
        select ARCH_USES_GETTIMEOFFSET if MMU && !COLDFIRE
diff --git a/arch/m68k/include/asm/Kbuild b/arch/m68k/include/asm/Kbuild
index 1a922fad76f7..eafa2539a8ee 100644
--- a/arch/m68k/include/asm/Kbuild
+++ b/arch/m68k/include/asm/Kbuild
@@ -1,2 +1,4 @@
 include include/asm-generic/Kbuild.asm
 header-y += cachectl.h
+generic-y += word-at-a-time.h
diff --git a/arch/m68k/include/asm/m528xsim.h b/arch/m68k/include/asm/m528xsim.h
index d63b99ff7ff7..497c31c803ff 100644
--- a/arch/m68k/include/asm/m528xsim.h
+++ b/arch/m68k/include/asm/m528xsim.h
@@ -86,7 +86,7 @@
 /*
 *      QSPI module.
 */
-#define MCFQSPI_IOBASE          (MCF_IPSBAR + 0x340)
+#define MCFQSPI_BASE            (MCF_IPSBAR + 0x340)
 #define MCFQSPI_SIZE            0x40
 #define MCFQSPI_CS0             147
diff --git a/arch/m68k/include/asm/uaccess_mm.h b/arch/m68k/include/asm/uaccess_mm.h
index 9c80cd515b20..472c891a4aee 100644
--- a/arch/m68k/include/asm/uaccess_mm.h
+++ b/arch/m68k/include/asm/uaccess_mm.h
@@ -379,12 +379,15 @@ __constant_copy_to_user(void __user *to, const void *from, unsigned long n)
 #define copy_from_user(to, from, n)     __copy_from_user(to, from, n)
 #define copy_to_user(to, from, n)       __copy_to_user(to, from, n)
-long strncpy_from_user(char *dst, const char __user *src, long count);
+#define user_addr_max() \
-long strnlen_user(const char __user *src, long n);
+        (segment_eq(get_fs(), USER_DS) ? TASK_SIZE : ~0UL)
+extern long strncpy_from_user(char *dst, const char __user *src, long count);
+extern __must_check long strlen_user(const char __user *str);
+extern __must_check long strnlen_user(const char __user *str, long n);
 unsigned long __clear_user(void __user *to, unsigned long n);
 #define clear_user      __clear_user
-#define strlen_user(str) strnlen_user(str, 32767)
 #endif /* _M68K_UACCESS_H */
diff --git a/arch/m68k/kernel/ptrace.c b/arch/m68k/kernel/ptrace.c
index 8b4a2222e658..1bc10e62b9af 100644
--- a/arch/m68k/kernel/ptrace.c
+++ b/arch/m68k/kernel/ptrace.c
@@ -286,7 +286,7 @@ asmlinkage void syscall_trace(void)
        }
 }
-#ifdef CONFIG_COLDFIRE
+#if defined(CONFIG_COLDFIRE) || !defined(CONFIG_MMU)
 asmlinkage int syscall_trace_enter(void)
 {
        int ret = 0;
diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c
index d7deb7fc7eb5..707f0573ec6b 100644
--- a/arch/m68k/kernel/time.c
+++ b/arch/m68k/kernel/time.c
@@ -85,7 +85,7 @@ void __init time_init(void)
        mach_sched_init(timer_interrupt);
 }
-#ifdef CONFIG_M68KCLASSIC
+#ifdef CONFIG_ARCH_USES_GETTIMEOFFSET
 u32 arch_gettimeoffset(void)
 {
@@ -108,4 +108,4 @@ static int __init rtc_init(void)
 module_init(rtc_init);
-#endif /* CONFIG_M68KCLASSIC */
+#endif /* CONFIG_ARCH_USES_GETTIMEOFFSET */
diff --git a/arch/m68k/lib/uaccess.c b/arch/m68k/lib/uaccess.c
index 5664386338da..5e97f2ee7c11 100644
--- a/arch/m68k/lib/uaccess.c
+++ b/arch/m68k/lib/uaccess.c
@@ -104,80 +104,6 @@ unsigned long __generic_copy_to_user(void __user *to, const void *from,
 EXPORT_SYMBOL(__generic_copy_to_user);
 /*
- * Copy a null terminated string from userspace.
- */
-long strncpy_from_user(char *dst, const char __user *src, long count)
-{
-        long res;
-        char c;
-        if (count <= 0)
-                return count;
-        asm volatile ("\n"
-                "1:     "MOVES".b       (%2)+,%4\n"
-                "       move.b  %4,(%1)+\n"
-                "       jeq     2f\n"
-                "       subq.l  #1,%3\n"
-                "       jne     1b\n"
-                "2:     sub.l   %3,%0\n"
-                "3:\n"
-                "       .section .fixup,\"ax\"\n"
-                "       .even\n"
-                "10:    move.l  %5,%0\n"
-                "       jra     3b\n"
-                "       .previous\n"
-                "\n"
-                "       .section __ex_table,\"a\"\n"
-                "       .align  4\n"
-                "       .long   1b,10b\n"
-                "       .previous"
-                : "=d" (res), "+a" (dst), "+a" (src), "+r" (count), "=&d" (c)
-                : "i" (-EFAULT), "0" (count));
-        return res;
-}
-EXPORT_SYMBOL(strncpy_from_user);
-/*
- * Return the size of a string (including the ending 0)
- *
- * Return 0 on exception, a value greater than N if too long
- */
-long strnlen_user(const char __user *src, long n)
-{
-        char c;
-        long res;
-        asm volatile ("\n"
-                "1:     subq.l  #1,%1\n"
-                "       jmi     3f\n"
-                "2:     "MOVES".b       (%0)+,%2\n"
-                "       tst.b   %2\n"
-                "       jne     1b\n"
-                "       jra     4f\n"
-                "\n"
-                "3:     addq.l  #1,%0\n"
-                "4:     sub.l   %4,%0\n"
-                "5:\n"
-                "       .section .fixup,\"ax\"\n"
-                "       .even\n"
-                "20:    sub.l   %0,%0\n"
-                "       jra     5b\n"
-                "       .previous\n"
-                "\n"
-                "       .section __ex_table,\"a\"\n"
-                "       .align  4\n"
-                "       .long   2b,20b\n"
-                "       .previous\n"
-                : "=&a" (res), "+d" (n), "=&d" (c)
-                : "0" (src), "r" (src));
-        return res;
-}
-EXPORT_SYMBOL(strnlen_user);
-/*
 * Zero Userspace
 */
diff --git a/arch/m68k/platform/68328/timers.c b/arch/m68k/platform/68328/timers.c
index c801c172b822..f4dc9b295609 100644
--- a/arch/m68k/platform/68328/timers.c
+++ b/arch/m68k/platform/68328/timers.c
@@ -53,6 +53,7 @@
 #endif
 static u32 m68328_tick_cnt;
+static irq_handler_t timer_interrupt;
 /***************************************************************************/
@@ -62,7 +63,7 @@ static irqreturn_t hw_tick(int irq, void *dummy)
        TSTAT &= 0;
        m68328_tick_cnt += TICKS_PER_JIFFY;
-        return arch_timer_interrupt(irq, dummy);
+        return timer_interrupt(irq, dummy);
 }
 /***************************************************************************/
@@ -99,7 +100,7 @@ static struct clocksource m68328_clk = {
 /***************************************************************************/
-void hw_timer_init(void)
+void hw_timer_init(irq_handler_t handler)
 {
        /* disable timer 1 */
        TCTL = 0;
@@ -115,6 +116,7 @@ void hw_timer_init(void)
        /* Enable timer 1 */
        TCTL |= TCTL_TEN;
        clocksource_register_hz(&m68328_clk, TICKS_PER_JIFFY*HZ);
+        timer_interrupt = handler;
 }
 /***************************************************************************/
diff --git a/arch/m68k/platform/68360/config.c b/arch/m68k/platform/68360/config.c
index 255fc03913e9..9877cefad1e7 100644
--- a/arch/m68k/platform/68360/config.c
+++ b/arch/m68k/platform/68360/config.c
@@ -35,6 +35,7 @@ extern void m360_cpm_reset(void);
 #define OSCILLATOR  (unsigned long int)33000000
 #endif
+static irq_handler_t timer_interrupt;
 unsigned long int system_clock;
 extern QUICC *pquicc;
@@ -52,7 +53,7 @@ static irqreturn_t hw_tick(int irq, void *dummy)
  pquicc->timer_ter1 = 0x0002; /* clear timer event */
-  return arch_timer_interrupt(irq, dummy);
+  return timer_interrupt(irq, dummy);
 }
 static struct irqaction m68360_timer_irq = {
@@ -61,7 +62,7 @@ static struct irqaction m68360_timer_irq = {
        .handler = hw_tick,
 };
-void hw_timer_init(void)
+void hw_timer_init(irq_handler_t handler)
 {
  unsigned char prescaler;
  unsigned short tgcr_save;
@@ -94,6 +95,8 @@ void hw_timer_init(void)
  pquicc->timer_ter1 = 0x0003; /* clear timer events */
+  timer_interrupt = handler;
  /* enable timer 1 interrupt in CIMR */
  setup_irq(CPMVEC_TIMER1, &m68360_timer_irq);
diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index dbc3850b1d0d..5707f1a62341 100644
--- a/arch/parisc/Makefile
+++ b/arch/parisc/Makefile
@@ -21,6 +21,7 @@ KBUILD_DEFCONFIG := default_defconfig
 NM              = sh $(srctree)/arch/parisc/nm
 CHECKFLAGS      += -D__hppa__=1
+LIBGCC          = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
 MACHINE         := $(shell uname -m)
 ifeq ($(MACHINE),parisc*)
@@ -79,7 +80,7 @@ kernel-y			:= mm/ kernel/ math-emu/
 kernel-$(CONFIG_HPUX)           += hpux/
 core-y  += $(addprefix arch/parisc/, $(kernel-y))
-libs-y  += arch/parisc/lib/ `$(CC) -print-libgcc-file-name`
+libs-y  += arch/parisc/lib/ $(LIBGCC)
 drivers-$(CONFIG_OPROFILE)              += arch/parisc/oprofile/
diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild
index 19a434f55059..4383707d9801 100644
--- a/arch/parisc/include/asm/Kbuild
+++ b/arch/parisc/include/asm/Kbuild
@@ -1,3 +1,4 @@
 include include/asm-generic/Kbuild.asm
 header-y += pdc.h
+generic-y += word-at-a-time.h
diff --git a/arch/parisc/include/asm/bug.h b/arch/parisc/include/asm/bug.h
index 72cfdb0cfdd1..62a33338549c 100644
--- a/arch/parisc/include/asm/bug.h
+++ b/arch/parisc/include/asm/bug.h
@@ -1,6 +1,8 @@
 #ifndef _PARISC_BUG_H
 #define _PARISC_BUG_H
+#include <linux/kernel.h>       /* for BUGFLAG_TAINT */
 /*
 * Tell the user there is some problem.
 * The offending file and line are encoded in the __bug_table section.
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index c9aac24b02e2..32b394f3b854 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -100,6 +100,9 @@ static inline void hard_irq_disable(void)
        get_paca()->irq_happened |= PACA_IRQ_HARD_DIS;
 }
+/* include/linux/interrupt.h needs hard_irq_disable to be a macro */
+#define hard_irq_disable        hard_irq_disable
 /*
 * This is called by asynchronous interrupts to conditionally
 * re-enable hard interrupts when soft-disabled after having
diff --git a/arch/powerpc/kernel/module_32.c b/arch/powerpc/kernel/module_32.c
index 0b6d79617d7b..2e3200ca485f 100644
--- a/arch/powerpc/kernel/module_32.c
+++ b/arch/powerpc/kernel/module_32.c
@@ -176,8 +176,8 @@ int module_frob_arch_sections(Elf32_Ehdr *hdr,
 static inline int entry_matches(struct ppc_plt_entry *entry, Elf32_Addr val)
 {
-        if (entry->jump[0] == 0x3d600000 + ((val + 0x8000) >> 16)
+        if (entry->jump[0] == 0x3d800000 + ((val + 0x8000) >> 16)
-            && entry->jump[1] == 0x396b0000 + (val & 0xffff))
+            && entry->jump[1] == 0x398c0000 + (val & 0xffff))
                return 1;
        return 0;
 }
@@ -204,10 +204,9 @@ static uint32_t do_plt_call(void *location,
                entry++;
        }
-        /* Stolen from Paul Mackerras as well... */
+        entry->jump[0] = 0x3d800000+((val+0x8000)>>16); /* lis r12,sym@ha */
-        entry->jump[0] = 0x3d600000+((val+0x8000)>>16); /* lis r11,sym@ha */
+        entry->jump[1] = 0x398c0000 + (val&0xffff);     /* addi r12,r12,sym@l*/
-        entry->jump[1] = 0x396b0000 + (val&0xffff);     /* addi r11,r11,sym@l*/
+        entry->jump[2] = 0x7d8903a6;                    /* mtctr r12 */
-        entry->jump[2] = 0x7d6903a6;                    /* mtctr r11 */
        entry->jump[3] = 0x4e800420;                    /* bctr */
        DEBUGP("Initialized plt for 0x%x at %p\n", val, entry);
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 99a995c2a3f2..be171ee73bf8 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -475,6 +475,7 @@ void timer_interrupt(struct pt_regs * regs)
        struct pt_regs *old_regs;
        u64 *next_tb = &__get_cpu_var(decrementers_next_tb);
        struct clock_event_device *evt = &__get_cpu_var(decrementers);
+        u64 now;
        /* Ensure a positive value is written to the decrementer, or else
         * some CPUs will continue to take decrementer exceptions.
@@ -509,9 +510,16 @@ void timer_interrupt(struct pt_regs * regs)
                irq_work_run();
        }
-        *next_tb = ~(u64)0;
+        now = get_tb_or_rtc();
-        if (evt->event_handler)
+        if (now >= *next_tb) {
-                evt->event_handler(evt);
+                *next_tb = ~(u64)0;
+                if (evt->event_handler)
+                        evt->event_handler(evt);
+        } else {
+                now = *next_tb - now;
+                if (now <= DECREMENTER_MAX)
+                        set_dec((int)now);
+        }
 #ifdef CONFIG_PPC64
        /* collect purr register values often, for accurate calculations */
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index c6af1d623839..3abe1b86e583 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -268,24 +268,45 @@ static unsigned long do_h_register_vpa(struct kvm_vcpu *vcpu,
        return err;
 }
-static void kvmppc_update_vpa(struct kvm *kvm, struct kvmppc_vpa *vpap)
+static void kvmppc_update_vpa(struct kvm_vcpu *vcpu, struct kvmppc_vpa *vpap)
 {
+        struct kvm *kvm = vcpu->kvm;
        void *va;
        unsigned long nb;
+        unsigned long gpa;
-        vpap->update_pending = 0;
+        /*
-        va = NULL;
+         * We need to pin the page pointed to by vpap->next_gpa,
-        if (vpap->next_gpa) {
+         * but we can't call kvmppc_pin_guest_page under the lock
-                va = kvmppc_pin_guest_page(kvm, vpap->next_gpa, &nb);
+         * as it does get_user_pages() and down_read().  So we
-                if (nb < vpap->len) {
+         * have to drop the lock, pin the page, then get the lock
-                        /*
+         * again and check that a new area didn't get registered
-                         * If it's now too short, it must be that userspace
+         * in the meantime.
-                         * has changed the mappings underlying guest memory,
+         */
-                         * so unregister the region.
+        for (;;) {
-                         */
+                gpa = vpap->next_gpa;
+                spin_unlock(&vcpu->arch.vpa_update_lock);
+                va = NULL;
+                nb = 0;
+                if (gpa)
+                        va = kvmppc_pin_guest_page(kvm, vpap->next_gpa, &nb);
+                spin_lock(&vcpu->arch.vpa_update_lock);
+                if (gpa == vpap->next_gpa)
+                        break;
+                /* sigh... unpin that one and try again */
+                if (va)
                        kvmppc_unpin_guest_page(kvm, va);
-                        va = NULL;
+        }
-                }
+        vpap->update_pending = 0;
+        if (va && nb < vpap->len) {
+                /*
+                 * If it's now too short, it must be that userspace
+                 * has changed the mappings underlying guest memory,
+                 * so unregister the region.
+                 */
+                kvmppc_unpin_guest_page(kvm, va);
+                va = NULL;
        }
        if (vpap->pinned_addr)
                kvmppc_unpin_guest_page(kvm, vpap->pinned_addr);
@@ -296,20 +317,18 @@ static void kvmppc_update_vpa(struct kvm *kvm, struct kvmppc_vpa *vpap)
 static void kvmppc_update_vpas(struct kvm_vcpu *vcpu)
 {
-        struct kvm *kvm = vcpu->kvm;
        spin_lock(&vcpu->arch.vpa_update_lock);
        if (vcpu->arch.vpa.update_pending) {
-                kvmppc_update_vpa(kvm, &vcpu->arch.vpa);
+                kvmppc_update_vpa(vcpu, &vcpu->arch.vpa);
                init_vpa(vcpu, vcpu->arch.vpa.pinned_addr);
        }
        if (vcpu->arch.dtl.update_pending) {
-                kvmppc_update_vpa(kvm, &vcpu->arch.dtl);
+                kvmppc_update_vpa(vcpu, &vcpu->arch.dtl);
                vcpu->arch.dtl_ptr = vcpu->arch.dtl.pinned_addr;
                vcpu->arch.dtl_index = 0;
        }
        if (vcpu->arch.slb_shadow.update_pending)
-                kvmppc_update_vpa(kvm, &vcpu->arch.slb_shadow);
+                kvmppc_update_vpa(vcpu, &vcpu->arch.slb_shadow);
        spin_unlock(&vcpu->arch.vpa_update_lock);
 }
@@ -800,12 +819,39 @@ static int kvmppc_run_core(struct kvmppc_vcore *vc)
        struct kvm_vcpu *vcpu, *vcpu0, *vnext;
        long ret;
        u64 now;
-        int ptid, i;
+        int ptid, i, need_vpa_update;
        /* don't start if any threads have a signal pending */
-        list_for_each_entry(vcpu, &vc->runnable_threads, arch.run_list)
+        need_vpa_update = 0;
+        list_for_each_entry(vcpu, &vc->runnable_threads, arch.run_list) {
                if (signal_pending(vcpu->arch.run_task))
                        return 0;
+                need_vpa_update |= vcpu->arch.vpa.update_pending |
+                        vcpu->arch.slb_shadow.update_pending |
+                        vcpu->arch.dtl.update_pending;
+        }
+        /*
+         * Initialize *vc, in particular vc->vcore_state, so we can
+         * drop the vcore lock if necessary.
+         */
+        vc->n_woken = 0;
+        vc->nap_count = 0;
+        vc->entry_exit_count = 0;
+        vc->vcore_state = VCORE_RUNNING;
+        vc->in_guest = 0;
+        vc->napping_threads = 0;
+        /*
+         * Updating any of the vpas requires calling kvmppc_pin_guest_page,
+         * which can't be called with any spinlocks held.
+         */
+        if (need_vpa_update) {
+                spin_unlock(&vc->lock);
+                list_for_each_entry(vcpu, &vc->runnable_threads, arch.run_list)
+                        kvmppc_update_vpas(vcpu);
+                spin_lock(&vc->lock);
+        }
        /*
         * Make sure we are running on thread 0, and that
@@ -838,20 +884,10 @@ static int kvmppc_run_core(struct kvmppc_vcore *vc)
                if (vcpu->arch.ceded)
                        vcpu->arch.ptid = ptid++;
-        vc->n_woken = 0;
-        vc->nap_count = 0;
-        vc->entry_exit_count = 0;
-        vc->vcore_state = VCORE_RUNNING;
        vc->stolen_tb += mftb() - vc->preempt_tb;
-        vc->in_guest = 0;
        vc->pcpu = smp_processor_id();
-        vc->napping_threads = 0;
        list_for_each_entry(vcpu, &vc->runnable_threads, arch.run_list) {
                kvmppc_start_thread(vcpu);
-                if (vcpu->arch.vpa.update_pending ||
-                    vcpu->arch.slb_shadow.update_pending ||
-                    vcpu->arch.dtl.update_pending)
-                        kvmppc_update_vpas(vcpu);
                kvmppc_create_dtl_entry(vcpu, vc);
        }
        /* Grab any remaining hw threads so they can't go into the kernel */
diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c
index 36f957f31842..8733a86ad52e 100644
--- a/arch/powerpc/platforms/pseries/nvram.c
+++ b/arch/powerpc/platforms/pseries/nvram.c
@@ -68,9 +68,7 @@ static const char *pseries_nvram_os_partitions[] = {
 };
 static void oops_to_nvram(struct kmsg_dumper *dumper,
-                enum kmsg_dump_reason reason,
+                          enum kmsg_dump_reason reason);
-                const char *old_msgs, unsigned long old_len,
-                const char *new_msgs, unsigned long new_len);
 static struct kmsg_dumper nvram_kmsg_dumper = {
        .dump = oops_to_nvram
@@ -504,28 +502,6 @@ int __init pSeries_nvram_init(void)
 }
 /*
- * Try to capture the last capture_len bytes of the printk buffer.  Return
- * the amount actually captured.
- */
-static size_t capture_last_msgs(const char *old_msgs, size_t old_len,
-                                const char *new_msgs, size_t new_len,
-                                char *captured, size_t capture_len)
-{
-        if (new_len >= capture_len) {
-                memcpy(captured, new_msgs + (new_len - capture_len),
-                                                                capture_len);
-                return capture_len;
-        } else {
-                /* Grab the end of old_msgs. */
-                size_t old_tail_len = min(old_len, capture_len - new_len);
-                memcpy(captured, old_msgs + (old_len - old_tail_len),
-                                                                old_tail_len);
-                memcpy(captured + old_tail_len, new_msgs, new_len);
-                return old_tail_len + new_len;
-        }
-}
-/*
 * Are we using the ibm,rtas-log for oops/panic reports?  And if so,
 * would logging this oops/panic overwrite an RTAS event that rtas_errd
 * hasn't had a chance to read and process?  Return 1 if so, else 0.
@@ -541,27 +517,6 @@ static int clobbering_unread_rtas_event(void)
                                                NVRAM_RTAS_READ_TIMEOUT);
 }
-/* Squeeze out each line's <n> severity prefix. */
-static size_t elide_severities(char *buf, size_t len)
-{
-        char *in, *out, *buf_end = buf + len;
-        /* Assume a <n> at the very beginning marks the start of a line. */
-        int newline = 1;
-        in = out = buf;
-        while (in < buf_end) {
-                if (newline && in+3 <= buf_end &&
-                                *in == '<' && isdigit(in[1]) && in[2] == '>') {
-                        in += 3;
-                        newline = 0;
-                } else {
-                        newline = (*in == '\n');
-                        *out++ = *in++;
-                }
-        }
-        return out - buf;
-}
 /* Derived from logfs_compress() */
 static int nvram_compress(const void *in, void *out, size_t inlen,
                                                        size_t outlen)
@@ -619,9 +574,7 @@ static int zip_oops(size_t text_len)
 * partition.  If that's too much, go back and capture uncompressed text.
 */
 static void oops_to_nvram(struct kmsg_dumper *dumper,
-                enum kmsg_dump_reason reason,
+                          enum kmsg_dump_reason reason)
-                const char *old_msgs, unsigned long old_len,
-                const char *new_msgs, unsigned long new_len)
 {
        static unsigned int oops_count = 0;
        static bool panicking = false;
@@ -660,14 +613,14 @@ static void oops_to_nvram(struct kmsg_dumper *dumper,
                return;
        if (big_oops_buf) {
-                text_len = capture_last_msgs(old_msgs, old_len,
+                kmsg_dump_get_buffer(dumper, false,
-                        new_msgs, new_len, big_oops_buf, big_oops_buf_sz);
+                                     big_oops_buf, big_oops_buf_sz, &text_len);
-                text_len = elide_severities(big_oops_buf, text_len);
                rc = zip_oops(text_len);
        }
        if (rc != 0) {
-                text_len = capture_last_msgs(old_msgs, old_len,
+                kmsg_dump_rewind(dumper);
-                                new_msgs, new_len, oops_data, oops_data_sz);
+                kmsg_dump_get_buffer(dumper, true,
+                                     oops_data, oops_data_sz, &text_len);
                err_type = ERR_TYPE_KERNEL_PANIC;
                *oops_len = (u16) text_len;
        }
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 99bcd0ee838d..31d9db7913e4 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -32,6 +32,8 @@ config SUPERH
        select GENERIC_SMP_IDLE_THREAD
        select GENERIC_CLOCKEVENTS
        select GENERIC_CMOS_UPDATE if SH_SH03 || SH_DREAMCAST
+        select GENERIC_STRNCPY_FROM_USER
+        select GENERIC_STRNLEN_USER
        help
          The SuperH is a RISC processor targeted for use in embedded systems
          and consumer electronics; it was also used in the Sega Dreamcast
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index 46edf070da1c..aed701c7b11b 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -9,6 +9,12 @@
 # License.  See the file "COPYING" in the main directory of this archive
 # for more details.
 #
+ifneq ($(SUBARCH),$(ARCH))
+  ifeq ($(CROSS_COMPILE),)
+    CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux-  $(UTS_MACHINE)-linux-gnu-  $(UTS_MACHINE)-unknown-linux-gnu-)
+  endif
+endif
 isa-y                                   := any
 isa-$(CONFIG_SH_DSP)                    := sh
 isa-$(CONFIG_CPU_SH2)                   := sh2
@@ -106,19 +112,13 @@ LDFLAGS_vmlinux		+= --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
 KBUILD_DEFCONFIG        := cayman_defconfig
 endif
-ifneq ($(SUBARCH),$(ARCH))
-  ifeq ($(CROSS_COMPILE),)
-    CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux-  $(UTS_MACHINE)-linux-gnu-  $(UTS_MACHINE)-unknown-linux-gnu-)
-  endif
-endif
 ifdef CONFIG_CPU_LITTLE_ENDIAN
 ld-bfd                  := elf32-$(UTS_MACHINE)-linux
-LDFLAGS_vmlinux         += --defsym 'jiffies=jiffies_64' --oformat $(ld-bfd)
+LDFLAGS_vmlinux         += --defsym jiffies=jiffies_64 --oformat $(ld-bfd)
 LDFLAGS                 += -EL
 else
 ld-bfd                  := elf32-$(UTS_MACHINE)big-linux
-LDFLAGS_vmlinux         += --defsym 'jiffies=jiffies_64+4' --oformat $(ld-bfd)
+LDFLAGS_vmlinux         += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd)
 LDFLAGS                 += -EB
 endif
diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild
index 7beb42322f60..7b673ddcd555 100644
--- a/arch/sh/include/asm/Kbuild
+++ b/arch/sh/include/asm/Kbuild
@@ -1,5 +1,39 @@
 include include/asm-generic/Kbuild.asm
+generic-y += bitsperlong.h
+generic-y += cputime.h
+generic-y += current.h
+generic-y += delay.h
+generic-y += div64.h
+generic-y += emergency-restart.h
+generic-y += errno.h
+generic-y += fcntl.h
+generic-y += ioctl.h
+generic-y += ipcbuf.h
+generic-y += irq_regs.h
+generic-y += kvm_para.h
+generic-y += local.h
+generic-y += local64.h
+generic-y += param.h
+generic-y += parport.h
+generic-y += percpu.h
+generic-y += poll.h
+generic-y += mman.h
+generic-y += msgbuf.h
+generic-y += resource.h
+generic-y += scatterlist.h
+generic-y += sembuf.h
+generic-y += serial.h
+generic-y += shmbuf.h
+generic-y += siginfo.h
+generic-y += sizes.h
+generic-y += socket.h
+generic-y += statfs.h
+generic-y += termbits.h
+generic-y += termios.h
+generic-y += ucontext.h
+generic-y += xor.h
 header-y += cachectl.h
 header-y += cpu-features.h
 header-y += hw_breakpoint.h
diff --git a/arch/sh/include/asm/bitsperlong.h b/arch/sh/include/asm/bitsperlong.h
deleted file mode 100644
index 6dc0bb0c13b2..000000000000
--- a/arch/sh/include/asm/bitsperlong.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/bitsperlong.h>
diff --git a/arch/sh/include/asm/cputime.h b/arch/sh/include/asm/cputime.h
deleted file mode 100644
index 6ca395d1393e..000000000000
--- a/arch/sh/include/asm/cputime.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __SH_CPUTIME_H
-#define __SH_CPUTIME_H
-#include <asm-generic/cputime.h>
-#endif /* __SH_CPUTIME_H */
diff --git a/arch/sh/include/asm/current.h b/arch/sh/include/asm/current.h
deleted file mode 100644
index 4c51401b5537..000000000000
--- a/arch/sh/include/asm/current.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/current.h>
diff --git a/arch/sh/include/asm/delay.h b/arch/sh/include/asm/delay.h
deleted file mode 100644
index 9670e127b7b2..000000000000
--- a/arch/sh/include/asm/delay.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/delay.h>
diff --git a/arch/sh/include/asm/div64.h b/arch/sh/include/asm/div64.h
deleted file mode 100644
index 6cd978cefb28..000000000000
--- a/arch/sh/include/asm/div64.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/div64.h>
diff --git a/arch/sh/include/asm/emergency-restart.h b/arch/sh/include/asm/emergency-restart.h
deleted file mode 100644
index 108d8c48e42e..000000000000
--- a/arch/sh/include/asm/emergency-restart.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _ASM_EMERGENCY_RESTART_H
-#define _ASM_EMERGENCY_RESTART_H
-#include <asm-generic/emergency-restart.h>
-#endif /* _ASM_EMERGENCY_RESTART_H */
diff --git a/arch/sh/include/asm/errno.h b/arch/sh/include/asm/errno.h
deleted file mode 100644
index 51cf6f9cebb8..000000000000
--- a/arch/sh/include/asm/errno.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_SH_ERRNO_H
-#define __ASM_SH_ERRNO_H
-#include <asm-generic/errno.h>
-#endif /* __ASM_SH_ERRNO_H */
diff --git a/arch/sh/include/asm/fcntl.h b/arch/sh/include/asm/fcntl.h
deleted file mode 100644
index 46ab12db5739..000000000000
--- a/arch/sh/include/asm/fcntl.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/fcntl.h>
diff --git a/arch/sh/include/asm/ioctl.h b/arch/sh/include/asm/ioctl.h
deleted file mode 100644
index b279fe06dfe5..000000000000
--- a/arch/sh/include/asm/ioctl.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/ioctl.h>
diff --git a/arch/sh/include/asm/ipcbuf.h b/arch/sh/include/asm/ipcbuf.h
deleted file mode 100644
index 84c7e51cb6d0..000000000000
--- a/arch/sh/include/asm/ipcbuf.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/ipcbuf.h>
diff --git a/arch/sh/include/asm/irq_regs.h b/arch/sh/include/asm/irq_regs.h
deleted file mode 100644
index 3dd9c0b70270..000000000000
--- a/arch/sh/include/asm/irq_regs.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/irq_regs.h>
diff --git a/arch/sh/include/asm/kvm_para.h b/arch/sh/include/asm/kvm_para.h
deleted file mode 100644
index 14fab8f0b957..000000000000
--- a/arch/sh/include/asm/kvm_para.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/kvm_para.h>
diff --git a/arch/sh/include/asm/local.h b/arch/sh/include/asm/local.h
deleted file mode 100644
index 9ed9b9cb459a..000000000000
--- a/arch/sh/include/asm/local.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef __ASM_SH_LOCAL_H
-#define __ASM_SH_LOCAL_H
-#include <asm-generic/local.h>
-#endif /* __ASM_SH_LOCAL_H */
diff --git a/arch/sh/include/asm/local64.h b/arch/sh/include/asm/local64.h
deleted file mode 100644
index 36c93b5cc239..000000000000
--- a/arch/sh/include/asm/local64.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/local64.h>
diff --git a/arch/sh/include/asm/mman.h b/arch/sh/include/asm/mman.h
deleted file mode 100644
index 8eebf89f5ab1..000000000000
--- a/arch/sh/include/asm/mman.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/mman.h>
diff --git a/arch/sh/include/asm/msgbuf.h b/arch/sh/include/asm/msgbuf.h
deleted file mode 100644
index 809134c644a6..000000000000
--- a/arch/sh/include/asm/msgbuf.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/msgbuf.h>
diff --git a/arch/sh/include/asm/param.h b/arch/sh/include/asm/param.h
deleted file mode 100644
index 965d45427975..000000000000
--- a/arch/sh/include/asm/param.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/param.h>
diff --git a/arch/sh/include/asm/parport.h b/arch/sh/include/asm/parport.h
deleted file mode 100644
index cf252af64590..000000000000
--- a/arch/sh/include/asm/parport.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/parport.h>
diff --git a/arch/sh/include/asm/percpu.h b/arch/sh/include/asm/percpu.h
deleted file mode 100644
index 4db4b39a4399..000000000000
--- a/arch/sh/include/asm/percpu.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ARCH_SH_PERCPU
-#define __ARCH_SH_PERCPU
-#include <asm-generic/percpu.h>
-#endif /* __ARCH_SH_PERCPU */
diff --git a/arch/sh/include/asm/poll.h b/arch/sh/include/asm/poll.h
deleted file mode 100644
index c98509d3149e..000000000000
--- a/arch/sh/include/asm/poll.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/poll.h>
diff --git a/arch/sh/include/asm/resource.h b/arch/sh/include/asm/resource.h
deleted file mode 100644
index 9c2499a86ec0..000000000000
--- a/arch/sh/include/asm/resource.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_SH_RESOURCE_H
-#define __ASM_SH_RESOURCE_H
-#include <asm-generic/resource.h>
-#endif /* __ASM_SH_RESOURCE_H */
diff --git a/arch/sh/include/asm/scatterlist.h b/arch/sh/include/asm/scatterlist.h
deleted file mode 100644
index 98dfc3510f10..000000000000
--- a/arch/sh/include/asm/scatterlist.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_SH_SCATTERLIST_H
-#define __ASM_SH_SCATTERLIST_H
-#include <asm-generic/scatterlist.h>
-#endif /* __ASM_SH_SCATTERLIST_H */
diff --git a/arch/sh/include/asm/sembuf.h b/arch/sh/include/asm/sembuf.h
deleted file mode 100644
index 7673b83cfef7..000000000000
--- a/arch/sh/include/asm/sembuf.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/sembuf.h>
diff --git a/arch/sh/include/asm/serial.h b/arch/sh/include/asm/serial.h
deleted file mode 100644
index a0cb0caff152..000000000000
--- a/arch/sh/include/asm/serial.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/serial.h>
diff --git a/arch/sh/include/asm/shmbuf.h b/arch/sh/include/asm/shmbuf.h
deleted file mode 100644
index 83c05fc2de38..000000000000
--- a/arch/sh/include/asm/shmbuf.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/shmbuf.h>
diff --git a/arch/sh/include/asm/siginfo.h b/arch/sh/include/asm/siginfo.h
deleted file mode 100644
index 813040ed68a9..000000000000
--- a/arch/sh/include/asm/siginfo.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_SH_SIGINFO_H
-#define __ASM_SH_SIGINFO_H
-#include <asm-generic/siginfo.h>
-#endif /* __ASM_SH_SIGINFO_H */
diff --git a/arch/sh/include/asm/sizes.h b/arch/sh/include/asm/sizes.h
deleted file mode 100644
index dd248c2e1085..000000000000
--- a/arch/sh/include/asm/sizes.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/sizes.h>
diff --git a/arch/sh/include/asm/socket.h b/arch/sh/include/asm/socket.h
deleted file mode 100644
index 6b71384b9d8b..000000000000
--- a/arch/sh/include/asm/socket.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/socket.h>
diff --git a/arch/sh/include/asm/statfs.h b/arch/sh/include/asm/statfs.h
deleted file mode 100644
index 9202a023328f..000000000000
--- a/arch/sh/include/asm/statfs.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_SH_STATFS_H
-#define __ASM_SH_STATFS_H
-#include <asm-generic/statfs.h>
-#endif /* __ASM_SH_STATFS_H */
diff --git a/arch/sh/include/asm/termbits.h b/arch/sh/include/asm/termbits.h
deleted file mode 100644
index 3935b106de79..000000000000
--- a/arch/sh/include/asm/termbits.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/termbits.h>
diff --git a/arch/sh/include/asm/termios.h b/arch/sh/include/asm/termios.h
deleted file mode 100644
index 280d78a9d966..000000000000
--- a/arch/sh/include/asm/termios.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/termios.h>
diff --git a/arch/sh/include/asm/uaccess.h b/arch/sh/include/asm/uaccess.h
index 050f221fa898..8698a80ed00c 100644
--- a/arch/sh/include/asm/uaccess.h
+++ b/arch/sh/include/asm/uaccess.h
@@ -25,6 +25,8 @@
        (__chk_user_ptr(addr),          \
         __access_ok((unsigned long __force)(addr), (size)))
+#define user_addr_max() (current_thread_info()->addr_limit.seg)
 /*
 * Uh, these should become the main single-value transfer routines ...
 * They automatically use the right size if we just have the right
@@ -100,6 +102,11 @@ struct __large_struct { unsigned long buf[100]; };
 # include "uaccess_64.h"
 #endif
+extern long strncpy_from_user(char *dest, const char __user *src, long count);
+extern __must_check long strlen_user(const char __user *str);
+extern __must_check long strnlen_user(const char __user *str, long n);
 /* Generic arbitrary sized copy.  */
 /* Return the number of bytes NOT copied */
 __kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n);
@@ -137,37 +144,6 @@ __kernel_size_t __clear_user(void *addr, __kernel_size_t size);
        __cl_size;                                                      \
 })
-/**
- * strncpy_from_user: - Copy a NUL terminated string from userspace.
- * @dst:   Destination address, in kernel space.  This buffer must be at
- *         least @count bytes long.
- * @src:   Source address, in user space.
- * @count: Maximum number of bytes to copy, including the trailing NUL.
- *
- * Copies a NUL-terminated string from userspace to kernel space.
- *
- * On success, returns the length of the string (not including the trailing
- * NUL).
- *
- * If access to userspace fails, returns -EFAULT (some data may have been
- * copied).
- *
- * If @count is smaller than the length of the string, copies @count bytes
- * and returns @count.
- */
-#define strncpy_from_user(dest,src,count)                               \
-({                                                                      \
-        unsigned long __sfu_src = (unsigned long)(src);                 \
-        int __sfu_count = (int)(count);                                 \
-        long __sfu_res = -EFAULT;                                       \
-                                                                        \
-        if (__access_ok(__sfu_src, __sfu_count))                        \
-                __sfu_res = __strncpy_from_user((unsigned long)(dest),  \
-                                __sfu_src, __sfu_count);                \
-                                                                        \
-        __sfu_res;                                                      \
-})
 static inline unsigned long
 copy_from_user(void *to, const void __user *from, unsigned long n)
 {
@@ -192,43 +168,6 @@ copy_to_user(void __user *to, const void *from, unsigned long n)
        return __copy_size;
 }
-/**
- * strnlen_user: - Get the size of a string in user space.
- * @s: The string to measure.
- * @n: The maximum valid length
- *
- * Context: User context only.  This function may sleep.
- *
- * Get the size of a NUL-terminated string in user space.
- *
- * Returns the size of the string INCLUDING the terminating NUL.
- * On exception, returns 0.
- * If the string is too long, returns a value greater than @n.
- */
-static inline long strnlen_user(const char __user *s, long n)
-{
-        if (!__addr_ok(s))
-                return 0;
-        else
-                return __strnlen_user(s, n);
-}
-/**
- * strlen_user: - Get the size of a string in user space.
- * @str: The string to measure.
- *
- * Context: User context only.  This function may sleep.
- *
- * Get the size of a NUL-terminated string in user space.
- *
- * Returns the size of the string INCLUDING the terminating NUL.
- * On exception, returns 0.
- *
- * If there is a limit on the length of a valid string, you may wish to
- * consider using strnlen_user() instead.
- */
-#define strlen_user(str)        strnlen_user(str, ~0UL >> 1)
 /*
 * The exception table consists of pairs of addresses: the first is the
 * address of an instruction that is allowed to fault, and the second is
diff --git a/arch/sh/include/asm/uaccess_32.h b/arch/sh/include/asm/uaccess_32.h
index ae0d24f6653f..c0de7ee35ab7 100644
--- a/arch/sh/include/asm/uaccess_32.h
+++ b/arch/sh/include/asm/uaccess_32.h
@@ -170,79 +170,4 @@ __asm__ __volatile__( \
 extern void __put_user_unknown(void);
-static inline int
-__strncpy_from_user(unsigned long __dest, unsigned long __user __src, int __count)
-{
-        __kernel_size_t res;
-        unsigned long __dummy, _d, _s, _c;
-        __asm__ __volatile__(
-                "9:\n"
-                "mov.b  @%2+, %1\n\t"
-                "cmp/eq #0, %1\n\t"
-                "bt/s   2f\n"
-                "1:\n"
-                "mov.b  %1, @%3\n\t"
-                "dt     %4\n\t"
-                "bf/s   9b\n\t"
-                " add   #1, %3\n\t"
-                "2:\n\t"
-                "sub    %4, %0\n"
-                "3:\n"
-                ".section .fixup,\"ax\"\n"
-                "4:\n\t"
-                "mov.l  5f, %1\n\t"
-                "jmp    @%1\n\t"
-                " mov   %9, %0\n\t"
-                ".balign 4\n"
-                "5:     .long 3b\n"
-                ".previous\n"
-                ".section __ex_table,\"a\"\n"
-                "       .balign 4\n"
-                "       .long 9b,4b\n"
-                ".previous"
-                : "=r" (res), "=&z" (__dummy), "=r" (_s), "=r" (_d), "=r"(_c)
-                : "0" (__count), "2" (__src), "3" (__dest), "4" (__count),
-                  "i" (-EFAULT)
-                : "memory", "t");
-        return res;
-}
-/*
- * Return the size of a string (including the ending 0 even when we have
- * exceeded the maximum string length).
- */
-static inline long __strnlen_user(const char __user *__s, long __n)
-{
-        unsigned long res;
-        unsigned long __dummy;
-        __asm__ __volatile__(
-                "1:\t"
-                "mov.b  @(%0,%3), %1\n\t"
-                "cmp/eq %4, %0\n\t"
-                "bt/s   2f\n\t"
-                " add   #1, %0\n\t"
-                "tst    %1, %1\n\t"
-                "bf     1b\n\t"
-                "2:\n"
-                ".section .fixup,\"ax\"\n"
-                "3:\n\t"
-                "mov.l  4f, %1\n\t"
-                "jmp    @%1\n\t"
-                " mov   #0, %0\n"
-                ".balign 4\n"
-                "4:     .long 2b\n"
-                ".previous\n"
-                ".section __ex_table,\"a\"\n"
-                "       .balign 4\n"
-                "       .long 1b,3b\n"
-                ".previous"
-                : "=z" (res), "=&r" (__dummy)
-                : "0" (0), "r" (__s), "r" (__n)
-                : "t");
-        return res;
-}
 #endif /* __ASM_SH_UACCESS_32_H */
diff --git a/arch/sh/include/asm/uaccess_64.h b/arch/sh/include/asm/uaccess_64.h
index 56fd20b8cdcc..2e07e0f40c6a 100644
--- a/arch/sh/include/asm/uaccess_64.h
+++ b/arch/sh/include/asm/uaccess_64.h
@@ -84,8 +84,4 @@ extern long __put_user_asm_l(void *, long);
 extern long __put_user_asm_q(void *, long);
 extern void __put_user_unknown(void);
-extern long __strnlen_user(const char *__s, long __n);
-extern int __strncpy_from_user(unsigned long __dest,
-               unsigned long __user __src, int __count);
 #endif /* __ASM_SH_UACCESS_64_H */
diff --git a/arch/sh/include/asm/ucontext.h b/arch/sh/include/asm/ucontext.h
deleted file mode 100644
index 9bc07b9f30fb..000000000000
--- a/arch/sh/include/asm/ucontext.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/ucontext.h>
diff --git a/arch/sh/include/asm/word-at-a-time.h b/arch/sh/include/asm/word-at-a-time.h
new file mode 100644
index 000000000000..6e38953ff7fd
--- /dev/null
+++ b/arch/sh/include/asm/word-at-a-time.h
@@ -0,0 +1,53 @@
+#ifndef __ASM_SH_WORD_AT_A_TIME_H
+#define __ASM_SH_WORD_AT_A_TIME_H
+#ifdef CONFIG_CPU_BIG_ENDIAN
+# include <asm-generic/word-at-a-time.h>
+#else
+/*
+ * Little-endian version cribbed from x86.
+ */
+struct word_at_a_time {
+        const unsigned long one_bits, high_bits;
+};
+#define WORD_AT_A_TIME_CONSTANTS { REPEAT_BYTE(0x01), REPEAT_BYTE(0x80) }
+/* Carl Chatfield / Jan Achrenius G+ version for 32-bit */
+static inline long count_masked_bytes(long mask)
+{
+        /* (000000 0000ff 00ffff ffffff) -> ( 1 1 2 3 ) */
+        long a = (0x0ff0001+mask) >> 23;
+        /* Fix the 1 for 00 case */
+        return a & mask;
+}
+/* Return nonzero if it has a zero */
+static inline unsigned long has_zero(unsigned long a, unsigned long *bits, const struct word_at_a_time *c)
+{
+        unsigned long mask = ((a - c->one_bits) & ~a) & c->high_bits;
+        *bits = mask;
+        return mask;
+}
+static inline unsigned long prep_zero_mask(unsigned long a, unsigned long bits, const struct word_at_a_time *c)
+{
+        return bits;
+}
+static inline unsigned long create_zero_mask(unsigned long bits)
+{
+        bits = (bits - 1) & ~bits;
+        return bits >> 7;
+}
+/* The mask we created is directly usable as a bytemask */
+#define zero_bytemask(mask) (mask)
+static inline unsigned long find_zero(unsigned long mask)
+{
+        return count_masked_bytes(mask);
+}
+#endif
+#endif
diff --git a/arch/sh/include/asm/xor.h b/arch/sh/include/asm/xor.h
deleted file mode 100644
index c82eb12a5b18..000000000000
--- a/arch/sh/include/asm/xor.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/xor.h>
diff --git a/arch/sh/include/cpu-sh2a/cpu/ubc.h b/arch/sh/include/cpu-sh2a/cpu/ubc.h
deleted file mode 100644
index 1192e1c761a7..000000000000
--- a/arch/sh/include/cpu-sh2a/cpu/ubc.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * SH-2A UBC definitions
- *
- * Copyright (C) 2008 Kieran Bingham
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#ifndef __ASM_CPU_SH2A_UBC_H
-#define __ASM_CPU_SH2A_UBC_H
-#define UBC_BARA                0xfffc0400
-#define UBC_BAMRA               0xfffc0404
-#define UBC_BBRA                0xfffc04a0      /* 16 bit access */
-#define UBC_BDRA                0xfffc0408
-#define UBC_BDMRA               0xfffc040c
-#define UBC_BARB                0xfffc0410
-#define UBC_BAMRB               0xfffc0414
-#define UBC_BBRB                0xfffc04b0      /* 16 bit access */
-#define UBC_BDRB                0xfffc0418
-#define UBC_BDMRB               0xfffc041c
-#define UBC_BRCR                0xfffc04c0
-#endif /* __ASM_CPU_SH2A_UBC_H */
diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S
index ff1f0e6e9bec..b7cf6a547f11 100644
--- a/arch/sh/kernel/cpu/sh5/entry.S
+++ b/arch/sh/kernel/cpu/sh5/entry.S
@@ -1569,86 +1569,6 @@ ___clear_user_exit:
 #endif /* CONFIG_MMU */
 /*
- * int __strncpy_from_user(unsigned long __dest, unsigned long __src,
- *                         int __count)
- *
- * Inputs:
- * (r2)  target address
- * (r3)  source address
- * (r4)  maximum size in bytes
- *
- * Ouputs:
- * (*r2) copied data
- * (r2)  -EFAULT (in case of faulting)
- *       copied data (otherwise)
- */
-        .global __strncpy_from_user
-__strncpy_from_user:
-        pta     ___strncpy_from_user1, tr0
-        pta     ___strncpy_from_user_done, tr1
-        or      r4, ZERO, r5            /* r5 = original count */
-        beq/u   r4, r63, tr1            /* early exit if r4==0 */
-        movi    -(EFAULT), r6           /* r6 = reply, no real fixup */
-        or      ZERO, ZERO, r7          /* r7 = data, clear top byte of data */
-___strncpy_from_user1:
-        ld.b    r3, 0, r7               /* Fault address: only in reading */
-        st.b    r2, 0, r7
-        addi    r2, 1, r2
-        addi    r3, 1, r3
-        beq/u   ZERO, r7, tr1
-        addi    r4, -1, r4              /* return real number of copied bytes */
-        bne/l   ZERO, r4, tr0
-___strncpy_from_user_done:
-        sub     r5, r4, r6              /* If done, return copied */
-___strncpy_from_user_exit:
-        or      r6, ZERO, r2
-        ptabs   LINK, tr0
-        blink   tr0, ZERO
-/*
- * extern long __strnlen_user(const char *__s, long __n)
- *
- * Inputs:
- * (r2)  source address
- * (r3)  source size in bytes
- *
- * Ouputs:
- * (r2)  -EFAULT (in case of faulting)
- *       string length (otherwise)
- */
-        .global __strnlen_user
-__strnlen_user:
-        pta     ___strnlen_user_set_reply, tr0
-        pta     ___strnlen_user1, tr1
-        or      ZERO, ZERO, r5          /* r5 = counter */
-        movi    -(EFAULT), r6           /* r6 = reply, no real fixup */
-        or      ZERO, ZERO, r7          /* r7 = data, clear top byte of data */
-        beq     r3, ZERO, tr0
-___strnlen_user1:
-        ldx.b   r2, r5, r7              /* Fault address: only in reading */
-        addi    r3, -1, r3              /* No real fixup */
-        addi    r5, 1, r5
-        beq     r3, ZERO, tr0
-        bne     r7, ZERO, tr1
-! The line below used to be active.  This meant led to a junk byte lying between each pair
-! of entries in the argv & envp structures in memory.  Whilst the program saw the right data
-! via the argv and envp arguments to main, it meant the 'flat' representation visible through
-! /proc/$pid/cmdline was corrupt, causing trouble with ps, for example.
-!       addi    r5, 1, r5               /* Include '\0' */
-___strnlen_user_set_reply:
-        or      r5, ZERO, r6            /* If done, return counter */
-___strnlen_user_exit:
-        or      r6, ZERO, r2
-        ptabs   LINK, tr0
-        blink   tr0, ZERO
-/*
 * extern long __get_user_asm_?(void *val, long addr)
 *
 * Inputs:
@@ -1982,8 +1902,6 @@ asm_uaccess_start:
        .long   ___copy_user2, ___copy_user_exit
        .long   ___clear_user1, ___clear_user_exit
 #endif
-        .long   ___strncpy_from_user1, ___strncpy_from_user_exit
-        .long   ___strnlen_user1, ___strnlen_user_exit
        .long   ___get_user_asm_b1, ___get_user_asm_b_exit
        .long   ___get_user_asm_w1, ___get_user_asm_w_exit
        .long   ___get_user_asm_l1, ___get_user_asm_l_exit
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index 9b7a459a4613..055d91b70305 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -4,6 +4,7 @@
 #include <linux/sched.h>
 #include <linux/export.h>
 #include <linux/stackprotector.h>
+#include <asm/fpu.h>
 struct kmem_cache *task_xstate_cachep = NULL;
 unsigned int xstate_size;
diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c
index 4264583eabac..602545b12a86 100644
--- a/arch/sh/kernel/process_64.c
+++ b/arch/sh/kernel/process_64.c
@@ -33,6 +33,7 @@
 #include <asm/switch_to.h>
 struct task_struct *last_task_used_math = NULL;
+struct pt_regs fake_swapper_regs = { 0, };
 void show_regs(struct pt_regs *regs)
 {
diff --git a/arch/sh/kernel/sh_ksyms_64.c b/arch/sh/kernel/sh_ksyms_64.c
index 45afa5c51f67..26a0774f5272 100644
--- a/arch/sh/kernel/sh_ksyms_64.c
+++ b/arch/sh/kernel/sh_ksyms_64.c
@@ -32,8 +32,6 @@ EXPORT_SYMBOL(__get_user_asm_b);
 EXPORT_SYMBOL(__get_user_asm_w);
 EXPORT_SYMBOL(__get_user_asm_l);
 EXPORT_SYMBOL(__get_user_asm_q);
-EXPORT_SYMBOL(__strnlen_user);
-EXPORT_SYMBOL(__strncpy_from_user);
 EXPORT_SYMBOL(__clear_user);
 EXPORT_SYMBOL(copy_page);
 EXPORT_SYMBOL(__copy_user);
diff --git a/arch/sparc/include/asm/cmt.h b/arch/sparc/include/asm/cmt.h
deleted file mode 100644
index 870db5928577..000000000000
--- a/arch/sparc/include/asm/cmt.h
+++ /dev/null
@@ -1,59 +0,0 @@
-#ifndef _SPARC64_CMT_H
-#define _SPARC64_CMT_H
-/* cmt.h: Chip Multi-Threading register definitions
- *
- * Copyright (C) 2004 David S. Miller (davem@redhat.com)
- */
-/* ASI_CORE_ID - private */
-#define LP_ID           0x0000000000000010UL
-#define  LP_ID_MAX      0x00000000003f0000UL
-#define  LP_ID_ID       0x000000000000003fUL
-/* ASI_INTR_ID - private */
-#define LP_INTR_ID      0x0000000000000000UL
-#define  LP_INTR_ID_ID  0x00000000000003ffUL
-/* ASI_CESR_ID - private */
-#define CESR_ID         0x0000000000000040UL
-#define  CESR_ID_ID     0x00000000000000ffUL
-/* ASI_CORE_AVAILABLE - shared */
-#define LP_AVAIL        0x0000000000000000UL
-#define  LP_AVAIL_1     0x0000000000000002UL
-#define  LP_AVAIL_0     0x0000000000000001UL
-/* ASI_CORE_ENABLE_STATUS - shared */
-#define LP_ENAB_STAT    0x0000000000000010UL
-#define  LP_ENAB_STAT_1 0x0000000000000002UL
-#define  LP_ENAB_STAT_0 0x0000000000000001UL
-/* ASI_CORE_ENABLE - shared */
-#define LP_ENAB         0x0000000000000020UL
-#define  LP_ENAB_1      0x0000000000000002UL
-#define  LP_ENAB_0      0x0000000000000001UL
-/* ASI_CORE_RUNNING - shared */
-#define LP_RUNNING_RW   0x0000000000000050UL
-#define LP_RUNNING_W1S  0x0000000000000060UL
-#define LP_RUNNING_W1C  0x0000000000000068UL
-#define  LP_RUNNING_1   0x0000000000000002UL
-#define  LP_RUNNING_0   0x0000000000000001UL
-/* ASI_CORE_RUNNING_STAT - shared */
-#define LP_RUN_STAT     0x0000000000000058UL
-#define  LP_RUN_STAT_1  0x0000000000000002UL
-#define  LP_RUN_STAT_0  0x0000000000000001UL
-/* ASI_XIR_STEERING - shared */
-#define LP_XIR_STEER    0x0000000000000030UL
-#define  LP_XIR_STEER_1 0x0000000000000002UL
-#define  LP_XIR_STEER_0 0x0000000000000001UL
-/* ASI_CMT_ERROR_STEERING - shared */
-#define CMT_ER_STEER    0x0000000000000040UL
-#define  CMT_ER_STEER_1 0x0000000000000002UL
-#define  CMT_ER_STEER_0 0x0000000000000001UL
-#endif /* _SPARC64_CMT_H */
diff --git a/arch/sparc/include/asm/mpmbox.h b/arch/sparc/include/asm/mpmbox.h
deleted file mode 100644
index f8423039b242..000000000000
--- a/arch/sparc/include/asm/mpmbox.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * mpmbox.h:  Interface and defines for the OpenProm mailbox
- *               facilities for MP machines under Linux.
- *
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
- */
-#ifndef _SPARC_MPMBOX_H
-#define _SPARC_MPMBOX_H
-/* The prom allocates, for each CPU on the machine an unsigned
- * byte in physical ram.  You probe the device tree prom nodes
- * for these values.  The purpose of this byte is to be able to
- * pass messages from one cpu to another.
- */
-/* These are the main message types we have to look for in our
- * Cpu mailboxes, based upon these values we decide what course
- * of action to take.
- */
-/* The CPU is executing code in the kernel. */
-#define MAILBOX_ISRUNNING     0xf0
-/* Another CPU called romvec->pv_exit(), you should call
- * prom_stopcpu() when you see this in your mailbox.
- */
-#define MAILBOX_EXIT          0xfb
-/* Another CPU called romvec->pv_enter(), you should call
- * prom_cpuidle() when this is seen.
- */
-#define MAILBOX_GOSPIN        0xfc
-/* Another CPU has hit a breakpoint either into kadb or the prom
- * itself.  Just like MAILBOX_GOSPIN, you should call prom_cpuidle()
- * at this point.
- */
-#define MAILBOX_BPT_SPIN      0xfd
-/* Oh geese, some other nitwit got a damn watchdog reset.  The party's
- * over so go call prom_stopcpu().
- */
-#define MAILBOX_WDOG_STOP     0xfe
-#ifndef __ASSEMBLY__
-/* Handy macro's to determine a cpu's state. */
-/* Is the cpu still in Power On Self Test? */
-#define MBOX_POST_P(letter)  ((letter) >= 0x00 && (letter) <= 0x7f)
-/* Is the cpu at the 'ok' prompt of the PROM? */
-#define MBOX_PROMPROMPT_P(letter) ((letter) >= 0x80 && (letter) <= 0x8f)
-/* Is the cpu spinning in the PROM? */
-#define MBOX_PROMSPIN_P(letter) ((letter) >= 0x90 && (letter) <= 0xef)
-/* Sanity check... This is junk mail, throw it out. */
-#define MBOX_BOGON_P(letter) ((letter) >= 0xf1 && (letter) <= 0xfa)
-/* Is the cpu actively running an application/kernel-code? */
-#define MBOX_RUNNING_P(letter) ((letter) == MAILBOX_ISRUNNING)
-#endif /* !(__ASSEMBLY__) */
-#endif /* !(_SPARC_MPMBOX_H) */
diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c
index 5cffdc55f075..3e244f31e56b 100644
--- a/arch/sparc/kernel/vio.c
+++ b/arch/sparc/kernel/vio.c
@@ -443,7 +443,7 @@ static int __init vio_init(void)
        root_vdev = vio_create_one(hp, root, NULL);
        err = -ENODEV;
        if (!root_vdev) {
-                printk(KERN_ERR "VIO: Coult not create root device.\n");
+                printk(KERN_ERR "VIO: Could not create root device.\n");
                goto out_release;
        }
diff --git a/arch/tile/include/asm/thread_info.h b/arch/tile/include/asm/thread_info.h
index 7e1fef36bde6..e9c670d7a7fe 100644
--- a/arch/tile/include/asm/thread_info.h
+++ b/arch/tile/include/asm/thread_info.h
@@ -91,11 +91,6 @@ extern void smp_nap(void);
 /* Enable interrupts racelessly and nap forever: helper for cpu_idle(). */
 extern void _cpu_idle(void);
-/* Switch boot idle thread to a freshly-allocated stack and free old stack. */
-extern void cpu_idle_on_new_stack(struct thread_info *old_ti,
-                                  unsigned long new_sp,
-                                  unsigned long new_ss10);
 #else /* __ASSEMBLY__ */
 /*
diff --git a/arch/tile/include/asm/uaccess.h b/arch/tile/include/asm/uaccess.h
index c3dd275f25e2..9ab078a4605d 100644
--- a/arch/tile/include/asm/uaccess.h
+++ b/arch/tile/include/asm/uaccess.h
@@ -146,7 +146,7 @@ extern int fixup_exception(struct pt_regs *regs);
 #ifdef __tilegx__
 #define __get_user_1(x, ptr, ret) __get_user_asm(ld1u, x, ptr, ret)
 #define __get_user_2(x, ptr, ret) __get_user_asm(ld2u, x, ptr, ret)
-#define __get_user_4(x, ptr, ret) __get_user_asm(ld4u, x, ptr, ret)
+#define __get_user_4(x, ptr, ret) __get_user_asm(ld4s, x, ptr, ret)
 #define __get_user_8(x, ptr, ret) __get_user_asm(ld, x, ptr, ret)
 #else
 #define __get_user_1(x, ptr, ret) __get_user_asm(lb_u, x, ptr, ret)
diff --git a/arch/tile/kernel/entry.S b/arch/tile/kernel/entry.S
index 133c4b56a99e..c31637baff28 100644
--- a/arch/tile/kernel/entry.S
+++ b/arch/tile/kernel/entry.S
@@ -68,20 +68,6 @@ STD_ENTRY(KBacktraceIterator_init_current)
        jrp lr   /* keep backtracer happy */
        STD_ENDPROC(KBacktraceIterator_init_current)
-/*
- * Reset our stack to r1/r2 (sp and ksp0+cpu respectively), then
- * free the old stack (passed in r0) and re-invoke cpu_idle().
- * We update sp and ksp0 simultaneously to avoid backtracer warnings.
- */
-STD_ENTRY(cpu_idle_on_new_stack)
-        {
-         move sp, r1
-         mtspr SPR_SYSTEM_SAVE_K_0, r2
-        }
-        jal free_thread_info
-        j cpu_idle
-        STD_ENDPROC(cpu_idle_on_new_stack)
 /* Loop forever on a nap during SMP boot. */
 STD_ENTRY(smp_nap)
        nap
diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c
index 6098ccc59be2..dd87f3420390 100644
--- a/arch/tile/kernel/setup.c
+++ b/arch/tile/kernel/setup.c
@@ -29,6 +29,7 @@
 #include <linux/smp.h>
 #include <linux/timex.h>
 #include <linux/hugetlb.h>
+#include <linux/start_kernel.h>
 #include <asm/setup.h>
 #include <asm/sections.h>
 #include <asm/cacheflush.h>
diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S
index 8bbea6aa40d9..efe5acfc79c3 100644
--- a/arch/x86/boot/header.S
+++ b/arch/x86/boot/header.S
@@ -94,10 +94,10 @@ bs_die:
        .section ".bsdata", "a"
 bugger_off_msg:
-        .ascii  "Direct booting from floppy is no longer supported.\r\n"
+        .ascii  "Direct floppy boot is not supported. "
-        .ascii  "Please use a boot loader program instead.\r\n"
+        .ascii  "Use a boot loader program instead.\r\n"
        .ascii  "\n"
-        .ascii  "Remove disk and press any key to reboot . . .\r\n"
+        .ascii  "Remove disk and press any key to reboot ...\r\n"
        .byte   0
 #ifdef CONFIG_EFI_STUB
@@ -111,7 +111,7 @@ coff_header:
 #else
        .word   0x8664                          # x86-64
 #endif
-        .word   2                               # nr_sections
+        .word   3                               # nr_sections
        .long   0                               # TimeDateStamp
        .long   0                               # PointerToSymbolTable
        .long   1                               # NumberOfSymbols
@@ -158,8 +158,8 @@ extra_header_fields:
 #else
        .quad   0                               # ImageBase
 #endif
-        .long   0x1000                          # SectionAlignment
+        .long   0x20                            # SectionAlignment
-        .long   0x200                           # FileAlignment
+        .long   0x20                            # FileAlignment
        .word   0                               # MajorOperatingSystemVersion
        .word   0                               # MinorOperatingSystemVersion
        .word   0                               # MajorImageVersion
@@ -200,8 +200,10 @@ extra_header_fields:
        # Section table
 section_table:
-        .ascii  ".text"
+        #
-        .byte   0
+        # The offset & size fields are filled in by build.c.
+        #
+        .ascii  ".setup"
        .byte   0
        .byte   0
        .long   0
@@ -217,9 +219,8 @@ section_table:
        #
        # The EFI application loader requires a relocation section
-        # because EFI applications must be relocatable. But since
+        # because EFI applications must be relocatable. The .reloc
-        # we don't need the loader to fixup any relocs for us, we
+        # offset & size fields are filled in by build.c.
-        # just create an empty (zero-length) .reloc section header.
        #
        .ascii  ".reloc"
        .byte   0
@@ -233,6 +234,25 @@ section_table:
        .word   0                               # NumberOfRelocations
        .word   0                               # NumberOfLineNumbers
        .long   0x42100040                      # Characteristics (section flags)
+        #
+        # The offset & size fields are filled in by build.c.
+        #
+        .ascii  ".text"
+        .byte   0
+        .byte   0
+        .byte   0
+        .long   0
+        .long   0x0                             # startup_{32,64}
+        .long   0                               # Size of initialized data
+                                                # on disk
+        .long   0x0                             # startup_{32,64}
+        .long   0                               # PointerToRelocations
+        .long   0                               # PointerToLineNumbers
+        .word   0                               # NumberOfRelocations
+        .word   0                               # NumberOfLineNumbers
+        .long   0x60500020                      # Characteristics (section flags)
 #endif /* CONFIG_EFI_STUB */
        # Kernel attributes; used by setup.  This is part 1 of the
diff --git a/arch/x86/boot/tools/build.c b/arch/x86/boot/tools/build.c
index 3f61f6e2b46f..4b8e165ee572 100644
--- a/arch/x86/boot/tools/build.c
+++ b/arch/x86/boot/tools/build.c
@@ -50,6 +50,8 @@ typedef unsigned int   u32;
 u8 buf[SETUP_SECT_MAX*512];
 int is_big_kernel;
+#define PECOFF_RELOC_RESERVE 0x20
 /*----------------------------------------------------------------------*/
 static const u32 crctab32[] = {
@@ -133,11 +135,103 @@ static void usage(void)
        die("Usage: build setup system [> image]");
 }
-int main(int argc, char ** argv)
-{
 #ifdef CONFIG_EFI_STUB
-        unsigned int file_sz, pe_header;
+static void update_pecoff_section_header(char *section_name, u32 offset, u32 size)
+{
+        unsigned int pe_header;
+        unsigned short num_sections;
+        u8 *section;
+        pe_header = get_unaligned_le32(&buf[0x3c]);
+        num_sections = get_unaligned_le16(&buf[pe_header + 6]);
+#ifdef CONFIG_X86_32
+        section = &buf[pe_header + 0xa8];
+#else
+        section = &buf[pe_header + 0xb8];
 #endif
+        while (num_sections > 0) {
+                if (strncmp((char*)section, section_name, 8) == 0) {
+                        /* section header size field */
+                        put_unaligned_le32(size, section + 0x8);
+                        /* section header vma field */
+                        put_unaligned_le32(offset, section + 0xc);
+                        /* section header 'size of initialised data' field */
+                        put_unaligned_le32(size, section + 0x10);
+                        /* section header 'file offset' field */
+                        put_unaligned_le32(offset, section + 0x14);
+                        break;
+                }
+                section += 0x28;
+                num_sections--;
+        }
+}
+static void update_pecoff_setup_and_reloc(unsigned int size)
+{
+        u32 setup_offset = 0x200;
+        u32 reloc_offset = size - PECOFF_RELOC_RESERVE;
+        u32 setup_size = reloc_offset - setup_offset;
+        update_pecoff_section_header(".setup", setup_offset, setup_size);
+        update_pecoff_section_header(".reloc", reloc_offset, PECOFF_RELOC_RESERVE);
+        /*
+         * Modify .reloc section contents with a single entry. The
+         * relocation is applied to offset 10 of the relocation section.
+         */
+        put_unaligned_le32(reloc_offset + 10, &buf[reloc_offset]);
+        put_unaligned_le32(10, &buf[reloc_offset + 4]);
+}
+static void update_pecoff_text(unsigned int text_start, unsigned int file_sz)
+{
+        unsigned int pe_header;
+        unsigned int text_sz = file_sz - text_start;
+        pe_header = get_unaligned_le32(&buf[0x3c]);
+        /* Size of image */
+        put_unaligned_le32(file_sz, &buf[pe_header + 0x50]);
+        /*
+         * Size of code: Subtract the size of the first sector (512 bytes)
+         * which includes the header.
+         */
+        put_unaligned_le32(file_sz - 512, &buf[pe_header + 0x1c]);
+#ifdef CONFIG_X86_32
+        /*
+         * Address of entry point.
+         *
+         * The EFI stub entry point is +16 bytes from the start of
+         * the .text section.
+         */
+        put_unaligned_le32(text_start + 16, &buf[pe_header + 0x28]);
+#else
+        /*
+         * Address of entry point. startup_32 is at the beginning and
+         * the 64-bit entry point (startup_64) is always 512 bytes
+         * after. The EFI stub entry point is 16 bytes after that, as
+         * the first instruction allows legacy loaders to jump over
+         * the EFI stub initialisation
+         */
+        put_unaligned_le32(text_start + 528, &buf[pe_header + 0x28]);
+#endif /* CONFIG_X86_32 */
+        update_pecoff_section_header(".text", text_start, text_sz);
+}
+#endif /* CONFIG_EFI_STUB */
+int main(int argc, char ** argv)
+{
        unsigned int i, sz, setup_sectors;
        int c;
        u32 sys_size;
@@ -163,6 +257,12 @@ int main(int argc, char ** argv)
                die("Boot block hasn't got boot flag (0xAA55)");
        fclose(file);
+#ifdef CONFIG_EFI_STUB
+        /* Reserve 0x20 bytes for .reloc section */
+        memset(buf+c, 0, PECOFF_RELOC_RESERVE);
+        c += PECOFF_RELOC_RESERVE;
+#endif
        /* Pad unused space with zeros */
        setup_sectors = (c + 511) / 512;
        if (setup_sectors < SETUP_SECT_MIN)
@@ -170,6 +270,10 @@ int main(int argc, char ** argv)
        i = setup_sectors*512;
        memset(buf+c, 0, i-c);
+#ifdef CONFIG_EFI_STUB
+        update_pecoff_setup_and_reloc(i);
+#endif
        /* Set the default root device */
        put_unaligned_le16(DEFAULT_ROOT_DEV, &buf[508]);
@@ -194,66 +298,8 @@ int main(int argc, char ** argv)
        put_unaligned_le32(sys_size, &buf[0x1f4]);
 #ifdef CONFIG_EFI_STUB
-        file_sz = sz + i + ((sys_size * 16) - sz);
+        update_pecoff_text(setup_sectors * 512, sz + i + ((sys_size * 16) - sz));
+#endif
-        pe_header = get_unaligned_le32(&buf[0x3c]);
-        /* Size of image */
-        put_unaligned_le32(file_sz, &buf[pe_header + 0x50]);
-        /*
-         * Subtract the size of the first section (512 bytes) which
-         * includes the header and .reloc section. The remaining size
-         * is that of the .text section.
-         */
-        file_sz -= 512;
-        /* Size of code */
-        put_unaligned_le32(file_sz, &buf[pe_header + 0x1c]);
-#ifdef CONFIG_X86_32
-        /*
-         * Address of entry point.
-         *
-         * The EFI stub entry point is +16 bytes from the start of
-         * the .text section.
-         */
-        put_unaligned_le32(i + 16, &buf[pe_header + 0x28]);
-        /* .text size */
-        put_unaligned_le32(file_sz, &buf[pe_header + 0xb0]);
-        /* .text vma */
-        put_unaligned_le32(0x200, &buf[pe_header + 0xb4]);
-        /* .text size of initialised data */
-        put_unaligned_le32(file_sz, &buf[pe_header + 0xb8]);
-        /* .text file offset */
-        put_unaligned_le32(0x200, &buf[pe_header + 0xbc]);
-#else
-        /*
-         * Address of entry point. startup_32 is at the beginning and
-         * the 64-bit entry point (startup_64) is always 512 bytes
-         * after. The EFI stub entry point is 16 bytes after that, as
-         * the first instruction allows legacy loaders to jump over
-         * the EFI stub initialisation
-         */
-        put_unaligned_le32(i + 528, &buf[pe_header + 0x28]);
-        /* .text size */
-        put_unaligned_le32(file_sz, &buf[pe_header + 0xc0]);
-        /* .text vma */
-        put_unaligned_le32(0x200, &buf[pe_header + 0xc4]);
-        /* .text size of initialised data */
-        put_unaligned_le32(file_sz, &buf[pe_header + 0xc8]);
-        /* .text file offset */
-        put_unaligned_le32(0x200, &buf[pe_header + 0xcc]);
-#endif /* CONFIG_X86_32 */
-#endif /* CONFIG_EFI_STUB */
        crc = partial_crc32(buf, i, crc);
        if (fwrite(buf, 1, i, stdout) != i)
diff --git a/arch/x86/crypto/aesni-intel_asm.S b/arch/x86/crypto/aesni-intel_asm.S
index be6d9e365a80..3470624d7835 100644
--- a/arch/x86/crypto/aesni-intel_asm.S
+++ b/arch/x86/crypto/aesni-intel_asm.S
@@ -2460,10 +2460,12 @@ ENTRY(aesni_cbc_dec)
        pxor IN3, STATE4
        movaps IN4, IV
 #else
-        pxor (INP), STATE2
-        pxor 0x10(INP), STATE3
        pxor IN1, STATE4
        movaps IN2, IV
+        movups (INP), IN1
+        pxor IN1, STATE2
+        movups 0x10(INP), IN2
+        pxor IN2, STATE3
 #endif
        movups STATE1, (OUTP)
        movups STATE2, 0x10(OUTP)
diff --git a/arch/x86/include/asm/nmi.h b/arch/x86/include/asm/nmi.h
index 0e3793b821ef..dc580c42851c 100644
--- a/arch/x86/include/asm/nmi.h
+++ b/arch/x86/include/asm/nmi.h
@@ -54,6 +54,20 @@ struct nmiaction {
        __register_nmi_handler((t), &fn##_na);  \
 })
+/*
+ * For special handlers that register/unregister in the
+ * init section only.  This should be considered rare.
+ */
+#define register_nmi_handler_initonly(t, fn, fg, n)             \
+({                                                      \
+        static struct nmiaction fn##_na __initdata = {          \
+                .handler = (fn),                        \
+                .name = (n),                            \
+                .flags = (fg),                          \
+        };                                              \
+        __register_nmi_handler((t), &fn##_na);  \
+})
 int __register_nmi_handler(unsigned int, struct nmiaction *);
 void unregister_nmi_handler(unsigned int, const char *);
diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h
index 43876f16caf1..cb00ccc7d571 100644
--- a/arch/x86/include/asm/pgtable-3level.h
+++ b/arch/x86/include/asm/pgtable-3level.h
@@ -47,16 +47,26 @@ static inline void native_set_pte(pte_t *ptep, pte_t pte)
 * they can run pmd_offset_map_lock or pmd_trans_huge or other pmd
 * operations.
 *
- * Without THP if the mmap_sem is hold for reading, the
+ * Without THP if the mmap_sem is hold for reading, the pmd can only
- * pmd can only transition from null to not null while pmd_read_atomic runs.
+ * transition from null to not null while pmd_read_atomic runs. So
- * So there's no need of literally reading it atomically.
+ * we can always return atomic pmd values with this function.
 *
 * With THP if the mmap_sem is hold for reading, the pmd can become
- * THP or null or point to a pte (and in turn become "stable") at any
+ * trans_huge or none or point to a pte (and in turn become "stable")
- * time under pmd_read_atomic, so it's mandatory to read it atomically
+ * at any time under pmd_read_atomic. We could read it really
- * with cmpxchg8b.
+ * atomically here with a atomic64_read for the THP enabled case (and
+ * it would be a whole lot simpler), but to avoid using cmpxchg8b we
+ * only return an atomic pmdval if the low part of the pmdval is later
+ * found stable (i.e. pointing to a pte). And we're returning a none
+ * pmdval if the low part of the pmd is none. In some cases the high
+ * and low part of the pmdval returned may not be consistent if THP is
+ * enabled (the low part may point to previously mapped hugepage,
+ * while the high part may point to a more recently mapped hugepage),
+ * but pmd_none_or_trans_huge_or_clear_bad() only needs the low part
+ * of the pmd to be read atomically to decide if the pmd is unstable
+ * or not, with the only exception of when the low part of the pmd is
+ * zero in which case we return a none pmd.
 */
-#ifndef CONFIG_TRANSPARENT_HUGEPAGE
 static inline pmd_t pmd_read_atomic(pmd_t *pmdp)
 {
        pmdval_t ret;
@@ -74,12 +84,6 @@ static inline pmd_t pmd_read_atomic(pmd_t *pmdp)
        return (pmd_t) { ret };
 }
-#else /* CONFIG_TRANSPARENT_HUGEPAGE */
-static inline pmd_t pmd_read_atomic(pmd_t *pmdp)
-{
-        return (pmd_t) { atomic64_read((atomic64_t *)pmdp) };
-}
-#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
 static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte)
 {
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
index 04cd6882308e..e1f3a17034fc 100644
--- a/arch/x86/include/asm/uaccess.h
+++ b/arch/x86/include/asm/uaccess.h
@@ -33,9 +33,8 @@
 #define segment_eq(a, b)        ((a).seg == (b).seg)
 #define user_addr_max() (current_thread_info()->addr_limit.seg)
-#define __addr_ok(addr)                                 \
+#define __addr_ok(addr)         \
-        ((unsigned long __force)(addr) <                \
+        ((unsigned long __force)(addr) < user_addr_max())
-         (current_thread_info()->addr_limit.seg))
 /*
 * Test whether a block of memory is a valid user space address.
@@ -47,14 +46,14 @@
 * This needs 33-bit (65-bit for x86_64) arithmetic. We have a carry...
 */
-#define __range_not_ok(addr, size)                                      \
+#define __range_not_ok(addr, size, limit)                               \
 ({                                                                      \
        unsigned long flag, roksum;                                     \
        __chk_user_ptr(addr);                                           \
        asm("add %3,%1 ; sbb %0,%0 ; cmp %1,%4 ; sbb $0,%0"             \
            : "=&r" (flag), "=r" (roksum)                               \
            : "1" (addr), "g" ((long)(size)),                           \
-              "rm" (current_thread_info()->addr_limit.seg));            \
+              "rm" (limit));                                            \
        flag;                                                           \
 })
@@ -77,7 +76,8 @@
 * checks that the pointer is in the user space range - after calling
 * this function, memory access functions may still return -EFAULT.
 */
-#define access_ok(type, addr, size) (likely(__range_not_ok(addr, size) == 0))
+#define access_ok(type, addr, size) \
+        (likely(__range_not_ok(addr, size, user_addr_max()) == 0))
 /*
 * The exception table consists of pairs of addresses relative to the
diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h
index becf47b81735..6149b476d9df 100644
--- a/arch/x86/include/asm/uv/uv_bau.h
+++ b/arch/x86/include/asm/uv/uv_bau.h
@@ -149,7 +149,6 @@
 /* 4 bits of software ack period */
 #define UV2_ACK_MASK                    0x7UL
 #define UV2_ACK_UNITS_SHFT              3
-#define UV2_LEG_SHFT UV2H_LB_BAU_MISC_CONTROL_USE_LEGACY_DESCRIPTOR_FORMATS_SHFT
 #define UV2_EXT_SHFT UV2H_LB_BAU_MISC_CONTROL_ENABLE_EXTENDED_SB_STATUS_SHFT
 /*
diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
index 6e76c191a835..d5fd66f0d4cd 100644
--- a/arch/x86/kernel/aperture_64.c
+++ b/arch/x86/kernel/aperture_64.c
@@ -20,7 +20,6 @@
 #include <linux/bitops.h>
 #include <linux/ioport.h>
 #include <linux/suspend.h>
-#include <linux/kmemleak.h>
 #include <asm/e820.h>
 #include <asm/io.h>
 #include <asm/iommu.h>
@@ -95,11 +94,6 @@ static u32 __init allocate_aperture(void)
                return 0;
        }
        memblock_reserve(addr, aper_size);
-        /*
-         * Kmemleak should not scan this block as it may not be mapped via the
-         * kernel direct mapping.
-         */
-        kmemleak_ignore(phys_to_virt(addr));
        printk(KERN_INFO "Mapping aperture over %d KB of RAM @ %lx\n",
                        aper_size >> 10, addr);
        insert_aperture_resource((u32)addr, aper_size);
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index ac96561d1a99..5f0ff597437c 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1195,7 +1195,7 @@ static void __clear_irq_vector(int irq, struct irq_cfg *cfg)
        BUG_ON(!cfg->vector);
        vector = cfg->vector;
-        for_each_cpu_and(cpu, cfg->domain, cpu_online_mask)
+        for_each_cpu(cpu, cfg->domain)
                per_cpu(vector_irq, cpu)[vector] = -1;
        cfg->vector = 0;
@@ -1203,7 +1203,7 @@ static void __clear_irq_vector(int irq, struct irq_cfg *cfg)
        if (likely(!cfg->move_in_progress))
                return;
-        for_each_cpu_and(cpu, cfg->old_domain, cpu_online_mask) {
+        for_each_cpu(cpu, cfg->old_domain) {
                for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS;
                                                                vector++) {
                        if (per_cpu(vector_irq, cpu)[vector] != irq)
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 0a687fd185e6..da27c5d2168a 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -1274,7 +1274,7 @@ static void mce_timer_fn(unsigned long data)
         */
        iv = __this_cpu_read(mce_next_interval);
        if (mce_notify_irq())
-                iv = max(iv, (unsigned long) HZ/100);
+                iv = max(iv / 2, (unsigned long) HZ/100);
        else
                iv = min(iv * 2, round_jiffies_relative(check_interval * HZ));
        __this_cpu_write(mce_next_interval, iv);
@@ -1557,7 +1557,7 @@ static void __mcheck_cpu_init_vendor(struct cpuinfo_x86 *c)
 static void __mcheck_cpu_init_timer(void)
 {
        struct timer_list *t = &__get_cpu_var(mce_timer);
-        unsigned long iv = __this_cpu_read(mce_next_interval);
+        unsigned long iv = check_interval * HZ;
        setup_timer(t, mce_timer_fn, smp_processor_id());
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index e049d6da0183..c4706cf9c011 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1496,6 +1496,7 @@ static struct cpu_hw_events *allocate_fake_cpuc(void)
                if (!cpuc->shared_regs)
                        goto error;
        }
+        cpuc->is_fake = 1;
        return cpuc;
 error:
        free_fake_cpuc(cpuc);
@@ -1756,6 +1757,12 @@ perf_callchain_kernel(struct perf_callchain_entry *entry, struct pt_regs *regs)
        dump_trace(NULL, regs, NULL, 0, &backtrace_ops, entry);
 }
+static inline int
+valid_user_frame(const void __user *fp, unsigned long size)
+{
+        return (__range_not_ok(fp, size, TASK_SIZE) == 0);
+}
 #ifdef CONFIG_COMPAT
 #include <asm/compat.h>
@@ -1780,7 +1787,7 @@ perf_callchain_user32(struct pt_regs *regs, struct perf_callchain_entry *entry)
                if (bytes != sizeof(frame))
                        break;
-                if (fp < compat_ptr(regs->sp))
+                if (!valid_user_frame(fp, sizeof(frame)))
                        break;
                perf_callchain_store(entry, frame.return_address);
@@ -1826,7 +1833,7 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs)
                if (bytes != sizeof(frame))
                        break;
-                if ((unsigned long)fp < regs->sp)
+                if (!valid_user_frame(fp, sizeof(frame)))
                        break;
                perf_callchain_store(entry, frame.return_address);
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h
index 6638aaf54493..7241e2fc3c17 100644
--- a/arch/x86/kernel/cpu/perf_event.h
+++ b/arch/x86/kernel/cpu/perf_event.h
@@ -117,6 +117,7 @@ struct cpu_hw_events {
        struct perf_event       *event_list[X86_PMC_IDX_MAX]; /* in enabled order */
        unsigned int            group_flag;
+        int                     is_fake;
        /*
         * Intel DebugStore bits
@@ -364,6 +365,7 @@ struct x86_pmu {
        int             pebs_record_size;
        void            (*drain_pebs)(struct pt_regs *regs);
        struct event_constraint *pebs_constraints;
+        void            (*pebs_aliases)(struct perf_event *event);
        /*
         * Intel LBR
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 166546ec6aef..187c294bc658 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -1119,27 +1119,33 @@ intel_bts_constraints(struct perf_event *event)
        return NULL;
 }
-static bool intel_try_alt_er(struct perf_event *event, int orig_idx)
+static int intel_alt_er(int idx)
 {
        if (!(x86_pmu.er_flags & ERF_HAS_RSP_1))
-                return false;
+                return idx;
-        if (event->hw.extra_reg.idx == EXTRA_REG_RSP_0) {
+        if (idx == EXTRA_REG_RSP_0)
-                event->hw.config &= ~INTEL_ARCH_EVENT_MASK;
+                return EXTRA_REG_RSP_1;
-                event->hw.config |= 0x01bb;
-                event->hw.extra_reg.idx = EXTRA_REG_RSP_1;
+        if (idx == EXTRA_REG_RSP_1)
-                event->hw.extra_reg.reg = MSR_OFFCORE_RSP_1;
+                return EXTRA_REG_RSP_0;
-        } else if (event->hw.extra_reg.idx == EXTRA_REG_RSP_1) {
+        return idx;
+}
+static void intel_fixup_er(struct perf_event *event, int idx)
+{
+        event->hw.extra_reg.idx = idx;
+        if (idx == EXTRA_REG_RSP_0) {
                event->hw.config &= ~INTEL_ARCH_EVENT_MASK;
                event->hw.config |= 0x01b7;
-                event->hw.extra_reg.idx = EXTRA_REG_RSP_0;
                event->hw.extra_reg.reg = MSR_OFFCORE_RSP_0;
+        } else if (idx == EXTRA_REG_RSP_1) {
+                event->hw.config &= ~INTEL_ARCH_EVENT_MASK;
+                event->hw.config |= 0x01bb;
+                event->hw.extra_reg.reg = MSR_OFFCORE_RSP_1;
        }
-        if (event->hw.extra_reg.idx == orig_idx)
-                return false;
-        return true;
 }
 /*
@@ -1157,14 +1163,18 @@ __intel_shared_reg_get_constraints(struct cpu_hw_events *cpuc,
        struct event_constraint *c = &emptyconstraint;
        struct er_account *era;
        unsigned long flags;
-        int orig_idx = reg->idx;
+        int idx = reg->idx;
-        /* already allocated shared msr */
+        /*
-        if (reg->alloc)
+         * reg->alloc can be set due to existing state, so for fake cpuc we
+         * need to ignore this, otherwise we might fail to allocate proper fake
+         * state for this extra reg constraint. Also see the comment below.
+         */
+        if (reg->alloc && !cpuc->is_fake)
                return NULL; /* call x86_get_event_constraint() */
 again:
-        era = &cpuc->shared_regs->regs[reg->idx];
+        era = &cpuc->shared_regs->regs[idx];
        /*
         * we use spin_lock_irqsave() to avoid lockdep issues when
         * passing a fake cpuc
@@ -1173,6 +1183,29 @@ again:
        if (!atomic_read(&era->ref) || era->config == reg->config) {
+                /*
+                 * If its a fake cpuc -- as per validate_{group,event}() we
+                 * shouldn't touch event state and we can avoid doing so
+                 * since both will only call get_event_constraints() once
+                 * on each event, this avoids the need for reg->alloc.
+                 *
+                 * Not doing the ER fixup will only result in era->reg being
+                 * wrong, but since we won't actually try and program hardware
+                 * this isn't a problem either.
+                 */
+                if (!cpuc->is_fake) {
+                        if (idx != reg->idx)
+                                intel_fixup_er(event, idx);
+                        /*
+                         * x86_schedule_events() can call get_event_constraints()
+                         * multiple times on events in the case of incremental
+                         * scheduling(). reg->alloc ensures we only do the ER
+                         * allocation once.
+                         */
+                        reg->alloc = 1;
+                }
                /* lock in msr value */
                era->config = reg->config;
                era->reg = reg->reg;
@@ -1180,17 +1213,17 @@ again:
                /* one more user */
                atomic_inc(&era->ref);
-                /* no need to reallocate during incremental event scheduling */
-                reg->alloc = 1;
                /*
                 * need to call x86_get_event_constraint()
                 * to check if associated event has constraints
                 */
                c = NULL;
-        } else if (intel_try_alt_er(event, orig_idx)) {
+        } else {
-                raw_spin_unlock_irqrestore(&era->lock, flags);
+                idx = intel_alt_er(idx);
-                goto again;
+                if (idx != reg->idx) {
+                        raw_spin_unlock_irqrestore(&era->lock, flags);
+                        goto again;
+                }
        }
        raw_spin_unlock_irqrestore(&era->lock, flags);
@@ -1204,11 +1237,14 @@ __intel_shared_reg_put_constraints(struct cpu_hw_events *cpuc,
        struct er_account *era;
        /*
-         * only put constraint if extra reg was actually
+         * Only put constraint if extra reg was actually allocated. Also takes
-         * allocated. Also takes care of event which do
+         * care of event which do not use an extra shared reg.
-         * not use an extra shared reg
+         *
+         * Also, if this is a fake cpuc we shouldn't touch any event state
+         * (reg->alloc) and we don't care about leaving inconsistent cpuc state
+         * either since it'll be thrown out.
         */
-        if (!reg->alloc)
+        if (!reg->alloc || cpuc->is_fake)
                return;
        era = &cpuc->shared_regs->regs[reg->idx];
@@ -1300,15 +1336,9 @@ static void intel_put_event_constraints(struct cpu_hw_events *cpuc,
        intel_put_shared_regs_event_constraints(cpuc, event);
 }
-static int intel_pmu_hw_config(struct perf_event *event)
+static void intel_pebs_aliases_core2(struct perf_event *event)
 {
-        int ret = x86_pmu_hw_config(event);
+        if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) {
-        if (ret)
-                return ret;
-        if (event->attr.precise_ip &&
-            (event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) {
                /*
                 * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P
                 * (0x003c) so that we can use it with PEBS.
@@ -1329,10 +1359,48 @@ static int intel_pmu_hw_config(struct perf_event *event)
                 */
                u64 alt_config = X86_CONFIG(.event=0xc0, .inv=1, .cmask=16);
+                alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK);
+                event->hw.config = alt_config;
+        }
+}
+static void intel_pebs_aliases_snb(struct perf_event *event)
+{
+        if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) {
+                /*
+                 * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P
+                 * (0x003c) so that we can use it with PEBS.
+                 *
+                 * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't
+                 * PEBS capable. However we can use UOPS_RETIRED.ALL
+                 * (0x01c2), which is a PEBS capable event, to get the same
+                 * count.
+                 *
+                 * UOPS_RETIRED.ALL counts the number of cycles that retires
+                 * CNTMASK micro-ops. By setting CNTMASK to a value (16)
+                 * larger than the maximum number of micro-ops that can be
+                 * retired per cycle (4) and then inverting the condition, we
+                 * count all cycles that retire 16 or less micro-ops, which
+                 * is every cycle.
+                 *
+                 * Thereby we gain a PEBS capable cycle counter.
+                 */
+                u64 alt_config = X86_CONFIG(.event=0xc2, .umask=0x01, .inv=1, .cmask=16);
                alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK);
                event->hw.config = alt_config;
        }
+}
+static int intel_pmu_hw_config(struct perf_event *event)
+{
+        int ret = x86_pmu_hw_config(event);
+        if (ret)
+                return ret;
+        if (event->attr.precise_ip && x86_pmu.pebs_aliases)
+                x86_pmu.pebs_aliases(event);
        if (intel_pmu_needs_lbr_smpl(event)) {
                ret = intel_pmu_setup_lbr_filter(event);
@@ -1607,6 +1675,7 @@ static __initconst const struct x86_pmu intel_pmu = {
        .max_period             = (1ULL << 31) - 1,
        .get_event_constraints  = intel_get_event_constraints,
        .put_event_constraints  = intel_put_event_constraints,
+        .pebs_aliases           = intel_pebs_aliases_core2,
        .format_attrs           = intel_arch3_formats_attr,
@@ -1840,8 +1909,9 @@ __init int intel_pmu_init(void)
                break;
        case 42: /* SandyBridge */
-                x86_add_quirk(intel_sandybridge_quirk);
        case 45: /* SandyBridge, "Romely-EP" */
+                x86_add_quirk(intel_sandybridge_quirk);
+        case 58: /* IvyBridge */
                memcpy(hw_cache_event_ids, snb_hw_cache_event_ids,
                       sizeof(hw_cache_event_ids));
@@ -1849,6 +1919,7 @@ __init int intel_pmu_init(void)
                x86_pmu.event_constraints = intel_snb_event_constraints;
                x86_pmu.pebs_constraints = intel_snb_pebs_event_constraints;
+                x86_pmu.pebs_aliases = intel_pebs_aliases_snb;
                x86_pmu.extra_regs = intel_snb_extra_regs;
                /* all extra regs are per-cpu when HT is on */
                x86_pmu.er_flags |= ERF_HAS_RSP_1;
diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c
index 5a3edc27f6e5..35e2192df9f4 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_ds.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c
@@ -400,14 +400,7 @@ struct event_constraint intel_snb_pebs_event_constraints[] = {
        INTEL_EVENT_CONSTRAINT(0xc4, 0xf),    /* BR_INST_RETIRED.* */
        INTEL_EVENT_CONSTRAINT(0xc5, 0xf),    /* BR_MISP_RETIRED.* */
        INTEL_EVENT_CONSTRAINT(0xcd, 0x8),    /* MEM_TRANS_RETIRED.* */
-        INTEL_UEVENT_CONSTRAINT(0x11d0, 0xf), /* MEM_UOP_RETIRED.STLB_MISS_LOADS */
+        INTEL_EVENT_CONSTRAINT(0xd0, 0xf),    /* MEM_UOP_RETIRED.* */
-        INTEL_UEVENT_CONSTRAINT(0x12d0, 0xf), /* MEM_UOP_RETIRED.STLB_MISS_STORES */
-        INTEL_UEVENT_CONSTRAINT(0x21d0, 0xf), /* MEM_UOP_RETIRED.LOCK_LOADS */
-        INTEL_UEVENT_CONSTRAINT(0x22d0, 0xf), /* MEM_UOP_RETIRED.LOCK_STORES */
-        INTEL_UEVENT_CONSTRAINT(0x41d0, 0xf), /* MEM_UOP_RETIRED.SPLIT_LOADS */
-        INTEL_UEVENT_CONSTRAINT(0x42d0, 0xf), /* MEM_UOP_RETIRED.SPLIT_STORES */
-        INTEL_UEVENT_CONSTRAINT(0x81d0, 0xf), /* MEM_UOP_RETIRED.ANY_LOADS */
-        INTEL_UEVENT_CONSTRAINT(0x82d0, 0xf), /* MEM_UOP_RETIRED.ANY_STORES */
        INTEL_EVENT_CONSTRAINT(0xd1, 0xf),    /* MEM_LOAD_UOPS_RETIRED.* */
        INTEL_EVENT_CONSTRAINT(0xd2, 0xf),    /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */
        INTEL_UEVENT_CONSTRAINT(0x02d4, 0xf), /* MEM_LOAD_UOPS_MISC_RETIRED.LLC_MISS */
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index 086eb58c6e80..f1b42b3a186c 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -120,11 +120,6 @@ bool kvm_check_and_clear_guest_paused(void)
        bool ret = false;
        struct pvclock_vcpu_time_info *src;
-        /*
-         * per_cpu() is safe here because this function is only called from
-         * timer functions where preemption is already disabled.
-         */
-        WARN_ON(!in_atomic());
        src = &__get_cpu_var(hv_clock);
        if ((src->flags & PVCLOCK_GUEST_STOPPED) != 0) {
                __this_cpu_and(hv_clock.flags, ~PVCLOCK_GUEST_STOPPED);
diff --git a/arch/x86/kernel/nmi_selftest.c b/arch/x86/kernel/nmi_selftest.c
index e31bf8d5c4d2..149b8d9c6ad4 100644
--- a/arch/x86/kernel/nmi_selftest.c
+++ b/arch/x86/kernel/nmi_selftest.c
@@ -42,7 +42,7 @@ static int __init nmi_unk_cb(unsigned int val, struct pt_regs *regs)
 static void __init init_nmi_testsuite(void)
 {
        /* trap all the unknown NMIs we may generate */
-        register_nmi_handler(NMI_UNKNOWN, nmi_unk_cb, 0, "nmi_selftest_unk");
+        register_nmi_handler_initonly(NMI_UNKNOWN, nmi_unk_cb, 0, "nmi_selftest_unk");
 }
 static void __init cleanup_nmi_testsuite(void)
@@ -64,7 +64,7 @@ static void __init test_nmi_ipi(struct cpumask *mask)
 {
        unsigned long timeout;
-        if (register_nmi_handler(NMI_LOCAL, test_nmi_ipi_callback,
+        if (register_nmi_handler_initonly(NMI_LOCAL, test_nmi_ipi_callback,
                                 NMI_FLAG_FIRST, "nmi_selftest")) {
                nmi_fail = FAILURE;
                return;
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 62c9457ccd2f..c0f420f76cd3 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -100,7 +100,7 @@ void *dma_generic_alloc_coherent(struct device *dev, size_t size,
                                 struct dma_attrs *attrs)
 {
        unsigned long dma_mask;
-        struct page *page = NULL;
+        struct page *page;
        unsigned int count = PAGE_ALIGN(size) >> PAGE_SHIFT;
        dma_addr_t addr;
@@ -108,6 +108,7 @@ void *dma_generic_alloc_coherent(struct device *dev, size_t size,
        flag |= __GFP_ZERO;
 again:
+        page = NULL;
        if (!(flag & GFP_ATOMIC))
                page = dma_alloc_from_contiguous(dev, count, get_order(size));
        if (!page)
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 79c45af81604..25b48edb847c 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -639,9 +639,11 @@ void native_machine_shutdown(void)
        set_cpus_allowed_ptr(current, cpumask_of(reboot_cpu_id));
        /*
-         * O.K Now that I'm on the appropriate processor,
+         * O.K Now that I'm on the appropriate processor, stop all of the
-         * stop all of the others.
+         * others. Also disable the local irq to not receive the per-cpu
+         * timer interrupt which may trigger scheduler's load balance.
         */
+        local_irq_disable();
        stop_other_cpus();
 #endif
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index f56f96da77f5..7bd8a0823654 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -349,9 +349,12 @@ static bool __cpuinit match_llc(struct cpuinfo_x86 *c, struct cpuinfo_x86 *o)
 static bool __cpuinit match_mc(struct cpuinfo_x86 *c, struct cpuinfo_x86 *o)
 {
-        if (c->phys_proc_id == o->phys_proc_id)
+        if (c->phys_proc_id == o->phys_proc_id) {
-                return topology_sane(c, o, "mc");
+                if (cpu_has(c, X86_FEATURE_AMD_DCM))
+                        return true;
+                return topology_sane(c, o, "mc");
+        }
        return false;
 }
@@ -382,6 +385,15 @@ void __cpuinit set_cpu_sibling_map(int cpu)
                if ((i == cpu) || (has_mc && match_llc(c, o)))
                        link_mask(llc_shared, cpu, i);
+        }
+        /*
+         * This needs a separate iteration over the cpus because we rely on all
+         * cpu_sibling_mask links to be set-up.
+         */
+        for_each_cpu(i, cpu_sibling_setup_mask) {
+                o = &cpu_data(i);
                if ((i == cpu) || (has_mc && match_mc(c, o))) {
                        link_mask(core, cpu, i);
@@ -410,15 +422,7 @@ void __cpuinit set_cpu_sibling_map(int cpu)
 /* maps the cpu to the sched domain representing multi-core */
 const struct cpumask *cpu_coregroup_mask(int cpu)
 {
-        struct cpuinfo_x86 *c = &cpu_data(cpu);
+        return cpu_llc_shared_mask(cpu);
-        /*
-         * For perf, we return last level cache shared map.
-         * And for power savings, we return cpu_core_map
-         */
-        if (!(cpu_has(c, X86_FEATURE_AMD_DCM)))
-                return cpu_core_mask(cpu);
-        else
-                return cpu_llc_shared_mask(cpu);
 }
 static void impress_friends(void)
diff --git a/arch/x86/lib/usercopy.c b/arch/x86/lib/usercopy.c
index f61ee67ec00f..4f74d94c8d97 100644
--- a/arch/x86/lib/usercopy.c
+++ b/arch/x86/lib/usercopy.c
@@ -8,6 +8,7 @@
 #include <linux/module.h>
 #include <asm/word-at-a-time.h>
+#include <linux/sched.h>
 /*
 * best effort, GUP based copy_from_user() that is NMI-safe
@@ -21,6 +22,9 @@ copy_from_user_nmi(void *to, const void __user *from, unsigned long n)
        void *map;
        int ret;
+        if (__range_not_ok(from, n, TASK_SIZE))
+                return len;
        do {
                ret = __get_user_pages_fast(addr, 1, 0, &page);
                if (!ret)
diff --git a/arch/x86/lib/x86-opcode-map.txt b/arch/x86/lib/x86-opcode-map.txt
index 819137904428..5d7e51f3fd28 100644
--- a/arch/x86/lib/x86-opcode-map.txt
+++ b/arch/x86/lib/x86-opcode-map.txt
@@ -28,7 +28,7 @@
 #  - (66): the last prefix is 0x66
 #  - (F3): the last prefix is 0xF3
 #  - (F2): the last prefix is 0xF2
-#
+#  - (!F3) : the last prefix is not 0xF3 (including non-last prefix case)
 Table: one byte opcode
 Referrer:
@@ -515,12 +515,12 @@ b4: LFS Gv,Mp
 b5: LGS Gv,Mp
 b6: MOVZX Gv,Eb
 b7: MOVZX Gv,Ew
-b8: JMPE | POPCNT Gv,Ev (F3)
+b8: JMPE (!F3) | POPCNT Gv,Ev (F3)
 b9: Grp10 (1A)
 ba: Grp8 Ev,Ib (1A)
 bb: BTC Ev,Gv
-bc: BSF Gv,Ev | TZCNT Gv,Ev (F3)
+bc: BSF Gv,Ev (!F3) | TZCNT Gv,Ev (F3)
-bd: BSR Gv,Ev | LZCNT Gv,Ev (F3)
+bd: BSR Gv,Ev (!F3) | LZCNT Gv,Ev (F3)
 be: MOVSX Gv,Eb
 bf: MOVSX Gv,Ew
 # 0x0f 0xc0-0xcf
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 97141c26a13a..bc4e9d84157f 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -62,7 +62,8 @@ static void __init find_early_table_space(struct map_range *mr, unsigned long en
                extra += PMD_SIZE;
 #endif
                /* The first 2/4M doesn't use large pages. */
-                extra += mr->end - mr->start;
+                if (mr->start < PMD_SIZE)
+                        extra += mr->end - mr->start;
                ptes = (extra + PAGE_SIZE - 1) >> PAGE_SHIFT;
        } else
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index be1ef574ce9a..78fe3f1ac49f 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -180,7 +180,7 @@ err_free_memtype:
 /**
 * ioremap_nocache     -   map bus memory into CPU space
- * @offset:    bus address of the memory
+ * @phys_addr:    bus address of the memory
 * @size:      size of the resource to map
 *
 * ioremap_nocache performs a platform specific sequence of operations to
@@ -217,7 +217,7 @@ EXPORT_SYMBOL(ioremap_nocache);
 /**
 * ioremap_wc   -       map memory into CPU space write combined
- * @offset:     bus address of the memory
+ * @phys_addr:  bus address of the memory
 * @size:       size of the resource to map
 *
 * This version of ioremap ensures that the memory is marked write combining.
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index e1ebde315210..a718e0d23503 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -122,7 +122,7 @@ within(unsigned long addr, unsigned long start, unsigned long end)
 /**
 * clflush_cache_range - flush a cache range with clflush
- * @addr:       virtual start address
+ * @vaddr:      virtual start address
 * @size:       number of bytes to flush
 *
 * clflush is an unordered instruction which needs fencing with mfence
diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c
index 732af3a96183..4599c3e8bcb6 100644
--- a/arch/x86/mm/srat.c
+++ b/arch/x86/mm/srat.c
@@ -176,6 +176,8 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
                return;
        }
+        node_set(node, numa_nodes_parsed);
        printk(KERN_INFO "SRAT: Node %u PXM %u [mem %#010Lx-%#010Lx]\n",
               node, pxm,
               (unsigned long long) start, (unsigned long long) end - 1);
diff --git a/arch/x86/platform/mrst/early_printk_mrst.c b/arch/x86/platform/mrst/early_printk_mrst.c
index 3c6e328483c7..028454f0c3a5 100644
--- a/arch/x86/platform/mrst/early_printk_mrst.c
+++ b/arch/x86/platform/mrst/early_printk_mrst.c
@@ -110,19 +110,16 @@ static struct kmsg_dumper dw_dumper;
 static int dumper_registered;
 static void dw_kmsg_dump(struct kmsg_dumper *dumper,
-                        enum kmsg_dump_reason reason,
+                         enum kmsg_dump_reason reason)
-                        const char *s1, unsigned long l1,
-                        const char *s2, unsigned long l2)
 {
-        int i;
+        static char line[1024];
+        size_t len;
        /* When run to this, we'd better re-init the HW */
        mrst_early_console_init();
-        for (i = 0; i < l1; i++)
+        while (kmsg_dump_get_line(dumper, true, line, sizeof(line), &len))
-                early_mrst_console.write(&early_mrst_console, s1 + i, 1);
+                early_mrst_console.write(&early_mrst_console, line, len);
-        for (i = 0; i < l2; i++)
-                early_mrst_console.write(&early_mrst_console, s2 + i, 1);
 }
 /* Set the ratio rate to 115200, 8n1, IRQ disabled */
diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
index e31bcd8f2eee..fd41a9262d65 100644
--- a/arch/x86/platform/mrst/mrst.c
+++ b/arch/x86/platform/mrst/mrst.c
@@ -782,7 +782,7 @@ BLOCKING_NOTIFIER_HEAD(intel_scu_notifier);
 EXPORT_SYMBOL_GPL(intel_scu_notifier);
 /* Called by IPC driver */
-void intel_scu_devices_create(void)
+void __devinit intel_scu_devices_create(void)
 {
        int i;
diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c
index 3ae0e61abd23..59880afa851f 100644
--- a/arch/x86/platform/uv/tlb_uv.c
+++ b/arch/x86/platform/uv/tlb_uv.c
@@ -1295,7 +1295,6 @@ static void __init enable_timeouts(void)
                 */
                mmr_image |= (1L << SOFTACK_MSHIFT);
                if (is_uv2_hub()) {
-                        mmr_image &= ~(1L << UV2_LEG_SHFT);
                        mmr_image |= (1L << UV2_EXT_SHFT);
                }
                write_mmr_misc_control(pnode, mmr_image);
diff --git a/arch/x86/tools/gen-insn-attr-x86.awk b/arch/x86/tools/gen-insn-attr-x86.awk
index 5f6a5b6c3a15..ddcf39b1a18d 100644
--- a/arch/x86/tools/gen-insn-attr-x86.awk
+++ b/arch/x86/tools/gen-insn-attr-x86.awk
@@ -66,9 +66,10 @@ BEGIN {
        rex_expr = "^REX(\\.[XRWB]+)*"
        fpu_expr = "^ESC" # TODO
-        lprefix1_expr = "\\(66\\)"
+        lprefix1_expr = "\\((66|!F3)\\)"
        lprefix2_expr = "\\(F3\\)"
-        lprefix3_expr = "\\(F2\\)"
+        lprefix3_expr = "\\((F2|!F3)\\)"
+        lprefix_expr = "\\((66|F2|F3)\\)"
        max_lprefix = 4
        # All opcodes starting with lower-case 'v' or with (v1) superscript
@@ -333,13 +334,16 @@ function convert_operands(count,opnd,       i,j,imm,mod)
                if (match(ext, lprefix1_expr)) {
                        lptable1[idx] = add_flags(lptable1[idx],flags)
                        variant = "INAT_VARIANT"
-                } else if (match(ext, lprefix2_expr)) {
+                }
+                if (match(ext, lprefix2_expr)) {
                        lptable2[idx] = add_flags(lptable2[idx],flags)
                        variant = "INAT_VARIANT"
-                } else if (match(ext, lprefix3_expr)) {
+                }
+                if (match(ext, lprefix3_expr)) {
                        lptable3[idx] = add_flags(lptable3[idx],flags)
                        variant = "INAT_VARIANT"
-                } else {
+                }
+                if (!match(ext, lprefix_expr)){
                        table[idx] = add_flags(table[idx],flags)
                }
        }
diff --git a/arch/x86/um/sys_call_table_32.c b/arch/x86/um/sys_call_table_32.c
index 416bd40c0eba..68d1dc91b37b 100644
--- a/arch/x86/um/sys_call_table_32.c
+++ b/arch/x86/um/sys_call_table_32.c
@@ -39,9 +39,9 @@
 #undef __SYSCALL_I386
 #define __SYSCALL_I386(nr, sym, compat) [ nr ] = sym,
-typedef void (*sys_call_ptr_t)(void);
+typedef asmlinkage void (*sys_call_ptr_t)(void);
-extern void sys_ni_syscall(void);
+extern asmlinkage void sys_ni_syscall(void);
 const sys_call_ptr_t sys_call_table[] __cacheline_aligned = {
        /*
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index e74df9548a02..ff962d4b821e 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -209,6 +209,9 @@ static void __init xen_banner(void)
               xen_feature(XENFEAT_mmu_pt_update_preserve_ad) ? " (preserve-AD)" : "");
 }
+#define CPUID_THERM_POWER_LEAF 6
+#define APERFMPERF_PRESENT 0
 static __read_mostly unsigned int cpuid_leaf1_edx_mask = ~0;
 static __read_mostly unsigned int cpuid_leaf1_ecx_mask = ~0;
@@ -242,6 +245,11 @@ static void xen_cpuid(unsigned int *ax, unsigned int *bx,
                *dx = cpuid_leaf5_edx_val;
                return;
+        case CPUID_THERM_POWER_LEAF:
+                /* Disabling APERFMPERF for kernel usage */
+                maskecx = ~(1 << APERFMPERF_PRESENT);
+                break;
        case 0xb:
                /* Suppress extended topology stuff */
                maskebx = 0;
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
index ffd08c414e91..64effdc6da94 100644
--- a/arch/x86/xen/p2m.c
+++ b/arch/x86/xen/p2m.c
@@ -706,6 +706,7 @@ int m2p_add_override(unsigned long mfn, struct page *page,
        unsigned long uninitialized_var(address);
        unsigned level;
        pte_t *ptep = NULL;
+        int ret = 0;
        pfn = page_to_pfn(page);
        if (!PageHighMem(page)) {
@@ -741,6 +742,24 @@ int m2p_add_override(unsigned long mfn, struct page *page,
        list_add(&page->lru,  &m2p_overrides[mfn_hash(mfn)]);
        spin_unlock_irqrestore(&m2p_override_lock, flags);
+        /* p2m(m2p(mfn)) == mfn: the mfn is already present somewhere in
+         * this domain. Set the FOREIGN_FRAME_BIT in the p2m for the other
+         * pfn so that the following mfn_to_pfn(mfn) calls will return the
+         * pfn from the m2p_override (the backend pfn) instead.
+         * We need to do this because the pages shared by the frontend
+         * (xen-blkfront) can be already locked (lock_page, called by
+         * do_read_cache_page); when the userspace backend tries to use them
+         * with direct_IO, mfn_to_pfn returns the pfn of the frontend, so
+         * do_blockdev_direct_IO is going to try to lock the same pages
+         * again resulting in a deadlock.
+         * As a side effect get_user_pages_fast might not be safe on the
+         * frontend pages while they are being shared with the backend,
+         * because mfn_to_pfn (that ends up being called by GUPF) will
+         * return the backend pfn rather than the frontend pfn. */
+        ret = __get_user(pfn, &machine_to_phys_mapping[mfn]);
+        if (ret == 0 && get_phys_to_machine(pfn) == mfn)
+                set_phys_to_machine(pfn, FOREIGN_FRAME(mfn));
        return 0;
 }
 EXPORT_SYMBOL_GPL(m2p_add_override);
@@ -752,6 +771,7 @@ int m2p_remove_override(struct page *page, bool clear_pte)
        unsigned long uninitialized_var(address);
        unsigned level;
        pte_t *ptep = NULL;
+        int ret = 0;
        pfn = page_to_pfn(page);
        mfn = get_phys_to_machine(pfn);
@@ -821,6 +841,22 @@ int m2p_remove_override(struct page *page, bool clear_pte)
        } else
                set_phys_to_machine(pfn, page->index);
+        /* p2m(m2p(mfn)) == FOREIGN_FRAME(mfn): the mfn is already present
+         * somewhere in this domain, even before being added to the
+         * m2p_override (see comment above in m2p_add_override).
+         * If there are no other entries in the m2p_override corresponding
+         * to this mfn, then remove the FOREIGN_FRAME_BIT from the p2m for
+         * the original pfn (the one shared by the frontend): the backend
+         * cannot do any IO on this page anymore because it has been
+         * unshared. Removing the FOREIGN_FRAME_BIT from the p2m entry of
+         * the original pfn causes mfn_to_pfn(mfn) to return the frontend
+         * pfn again. */
+        mfn &= ~FOREIGN_FRAME_BIT;
+        ret = __get_user(pfn, &machine_to_phys_mapping[mfn]);
+        if (ret == 0 && get_phys_to_machine(pfn) == FOREIGN_FRAME(mfn) &&
+                        m2p_find_override(mfn) == NULL)
+                set_phys_to_machine(pfn, mfn);
        return 0;
 }
 EXPORT_SYMBOL_GPL(m2p_remove_override);
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 3ebba0753d38..a4790bf22c59 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -371,7 +371,8 @@ char * __init xen_memory_setup(void)
        populated = xen_populate_chunk(map, memmap.nr_entries,
                        max_pfn, &last_pfn, xen_released_pages);
-        extra_pages += (xen_released_pages - populated);
+        xen_released_pages -= populated;
+        extra_pages += xen_released_pages;
        if (last_pfn > max_pfn) {
                max_pfn = min(MAX_DOMAIN_PAGES, last_pfn);
diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile
index 7608559de93a..f973754ddf90 100644
--- a/arch/xtensa/Makefile
+++ b/arch/xtensa/Makefile
@@ -68,8 +68,8 @@ endif
 # Only build variant and/or platform if it includes a Makefile
-buildvar := $(shell test -a $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/)
+buildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/)
-buildplf := $(shell test -a $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/)
+buildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/)
 # Find libgcc.a
diff --git a/arch/xtensa/include/asm/syscall.h b/arch/xtensa/include/asm/syscall.h
index 0b9f2e13c781..c1dacca312f3 100644
--- a/arch/xtensa/include/asm/syscall.h
+++ b/arch/xtensa/include/asm/syscall.h
@@ -31,5 +31,5 @@ asmlinkage long sys_pselect6(int n, fd_set __user *inp, fd_set __user *outp,
 asmlinkage long sys_ppoll(struct pollfd __user *ufds, unsigned int nfds,
        struct timespec __user *tsp, const sigset_t __user *sigmask,
        size_t sigsetsize);
+asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset,
+                size_t sigsetsize);
diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c
index b9f8e5850d3a..efe4e854b3cd 100644
--- a/arch/xtensa/kernel/signal.c
+++ b/arch/xtensa/kernel/signal.c
@@ -493,7 +493,7 @@ static void do_signal(struct pt_regs *regs)
                if (ret)
                        return;
-                signal_delivered(signr, info, ka, regs, 0);
+                signal_delivered(signr, &info, &ka, regs, 0);
                if (current->ptrace & PT_SINGLESTEP)
                        task_pt_regs(current)->icountlevel = 1;
diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S
index 88ecea3facb4..ee2e2089483d 100644
--- a/arch/xtensa/kernel/vmlinux.lds.S
+++ b/arch/xtensa/kernel/vmlinux.lds.S
@@ -83,7 +83,6 @@ SECTIONS
  _text = .;
  _stext = .;
-  _ftext = .;
  .text :
  {
@@ -112,7 +111,7 @@ SECTIONS
  EXCEPTION_TABLE(16)
  /* Data section */
-  _fdata = .;
+  _sdata = .;
  RW_DATA_SECTION(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE)
  _edata = .;
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index ba150e5de2eb..db955179da2d 100644
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -26,11 +26,7 @@
 #include <asm/bootparam.h>
 #include <asm/page.h>
+#include <asm/sections.h>
-/* References to section boundaries */
-extern char _ftext, _etext, _fdata, _edata, _rodata_end;
-extern char __init_begin, __init_end;
 /*
 * mem_reserve(start, end, must_exist)
@@ -197,9 +193,9 @@ void __init mem_init(void)
                        reservedpages++;
        }
-        codesize =  (unsigned long) &_etext - (unsigned long) &_ftext;
+        codesize =  (unsigned long) _etext - (unsigned long) _stext;
-        datasize =  (unsigned long) &_edata - (unsigned long) &_fdata;
+        datasize =  (unsigned long) _edata - (unsigned long) _sdata;
-        initsize =  (unsigned long) &__init_end - (unsigned long) &__init_begin;
+        initsize =  (unsigned long) __init_end - (unsigned long) __init_begin;
        printk("Memory: %luk/%luk available (%ldk kernel code, %ldk reserved, "
               "%ldk data, %ldk init %ldk highmem)\n",
@@ -237,7 +233,7 @@ void free_initrd_mem(unsigned long start, unsigned long end)
 void free_initmem(void)
 {
-        free_reserved_mem(&__init_begin, &__init_end);
+        free_reserved_mem(__init_begin, __init_end);
-        printk("Freeing unused kernel memory: %dk freed\n",
+        printk("Freeing unused kernel memory: %zuk freed\n",
-               (&__init_end - &__init_begin) >> 10);
+               (__init_end - __init_begin) >> 10);
 }