83 files changed, 504 insertions, 610 deletions
diff --git a/arch/arm/mach-omap1/board-sx1.c b/arch/arm/mach-omap1/board-sx1.c
index 1c7f09aedf07..e473fa6d4a5f 100644
--- a/arch/arm/mach-omap1/board-sx1.c
+++ b/arch/arm/mach-omap1/board-sx1.c
@@ -61,6 +61,7 @@ int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
        data[0] = regoffset;    /* register num */
        data[1] = value;                /* register data */
        err = i2c_transfer(adap, msg, 1);
+        i2c_put_adapter(adap);
        if (err >= 0)
                return 0;
        return err;
@@ -91,6 +92,7 @@ int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
        msg->buf = data;
        err = i2c_transfer(adap, msg, 1);
        *value = data[0];
+        i2c_put_adapter(adap);
        if (err >= 0)
                return 0;
diff --git a/arch/avr32/boards/atstk1000/atstk1004.c b/arch/avr32/boards/atstk1000/atstk1004.c
index 5a77030e07a0..e765a8652b3e 100644
--- a/arch/avr32/boards/atstk1000/atstk1004.c
+++ b/arch/avr32/boards/atstk1000/atstk1004.c
@@ -129,7 +129,7 @@ static int __init atstk1004_init(void)
 #ifdef CONFIG_BOARD_ATSTK100X_SPI1
        at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
 #endif
-#ifndef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
+#ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
        at32_add_device_mci(0);
 #endif
        at32_add_device_lcdc(0, &atstk1000_lcdc_data,
diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c
index eaaa69bbdc38..7f4af0b1e111 100644
--- a/arch/avr32/kernel/process.c
+++ b/arch/avr32/kernel/process.c
@@ -11,6 +11,7 @@
 #include <linux/fs.h>
 #include <linux/ptrace.h>
 #include <linux/reboot.h>
+#include <linux/tick.h>
 #include <linux/uaccess.h>
 #include <linux/unistd.h>
@@ -30,8 +31,10 @@ void cpu_idle(void)
 {
        /* endless idle loop with no priority at all */
        while (1) {
+                tick_nohz_stop_sched_tick();
                while (!need_resched())
                        cpu_idle_sleep();
+                tick_nohz_restart_sched_tick();
                preempt_enable_no_resched();
                schedule();
                preempt_disable();
@@ -345,6 +348,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
        p->thread.cpu_context.ksp = (unsigned long)childregs;
        p->thread.cpu_context.pc = (unsigned long)ret_from_fork;
+        clear_tsk_thread_flag(p, TIF_DEBUG);
        if ((clone_flags & CLONE_PTRACE) && test_thread_flag(TIF_DEBUG))
                ocd_enable(p);
diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c
index 6560cb18b4e3..ce4e4296b954 100644
--- a/arch/avr32/mm/fault.c
+++ b/arch/avr32/mm/fault.c
@@ -189,6 +189,8 @@ no_context:
        page = sysreg_read(PTBR);
        printk(KERN_ALERT "ptbr = %08lx", page);
+        if (address >= TASK_SIZE)
+                page = (unsigned long)swapper_pg_dir;
        if (page) {
                page = ((unsigned long *)page)[address >> 22];
                printk(" pgd = %08lx", page);
diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile
index fe254f886a6e..75eba2ca7881 100644
--- a/arch/blackfin/Makefile
+++ b/arch/blackfin/Makefile
@@ -98,8 +98,11 @@ drivers-$(CONFIG_OPROFILE) += arch/$(ARCH)/oprofile/
 #       them changed.  We use .mach to indicate when they were updated
 #       last, otherwise make uses the target directory mtime.
+       show_mach_symlink = :
+ quiet_show_mach_symlink = echo '  SYMLINK include/asm-$(ARCH)/mach-$(MACHINE) -> include/asm-$(ARCH)/mach'
+silent_show_mach_symlink = :
 include/asm-blackfin/.mach: $(wildcard include/config/arch/*.h) include/config/auto.conf
-        @echo '  SYMLINK include/asm-$(ARCH)/mach-$(MACHINE) -> include/asm-$(ARCH)/mach'
+        @$($(quiet)show_mach_symlink)
 ifneq ($(KBUILD_SRC),)
        $(Q)mkdir -p include/asm-$(ARCH)
        $(Q)ln -fsn $(srctree)/include/asm-$(ARCH)/mach-$(MACHINE) include/asm-$(ARCH)/mach
diff --git a/arch/blackfin/configs/BF527-EZKIT_defconfig b/arch/blackfin/configs/BF527-EZKIT_defconfig
index d59ee1530bd4..ae320dcfedef 100644
--- a/arch/blackfin/configs/BF527-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF527-EZKIT_defconfig
@@ -1,7 +1,6 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.22.14
+# Linux kernel version: 2.6.22.16
-# Thu Nov 29 17:32:47 2007
 #
 # CONFIG_MMU is not set
 # CONFIG_FPU is not set
@@ -116,7 +115,10 @@ CONFIG_PREEMPT_VOLUNTARY=y
 # Processor and Board Settings
 #
 # CONFIG_BF522 is not set
+# CONFIG_BF523 is not set
+# CONFIG_BF524 is not set
 # CONFIG_BF525 is not set
+# CONFIG_BF526 is not set
 CONFIG_BF527=y
 # CONFIG_BF531 is not set
 # CONFIG_BF532 is not set
@@ -306,6 +308,7 @@ CONFIG_BFIN_DCACHE=y
 # CONFIG_BFIN_WB is not set
 CONFIG_BFIN_WT=y
 CONFIG_L1_MAX_PIECE=16
+# CONFIG_MPU is not set
 #
 # Asynchonous Memory Configuration
@@ -354,6 +357,7 @@ CONFIG_BINFMT_ZFLAT=y
 # Power management options
 #
 # CONFIG_PM is not set
+# CONFIG_PM_WAKEUP_BY_GPIO is not set
 #
 # Networking
@@ -496,7 +500,6 @@ CONFIG_MTD_CFI_I2=y
 # CONFIG_MTD_CFI_INTELEXT is not set
 # CONFIG_MTD_CFI_AMDSTD is not set
 # CONFIG_MTD_CFI_STAA is not set
-CONFIG_MTD_MW320D=m
 CONFIG_MTD_RAM=y
 CONFIG_MTD_ROM=m
 # CONFIG_MTD_ABSENT is not set
@@ -506,9 +509,6 @@ CONFIG_MTD_ROM=m
 #
 CONFIG_MTD_COMPLEX_MAPPINGS=y
 # CONFIG_MTD_PHYSMAP is not set
-CONFIG_MTD_BF5xx=m
-CONFIG_BFIN_FLASH_SIZE=0x400000
-CONFIG_EBIU_FLASH_BASE=0x20000000
 # CONFIG_MTD_UCLINUX is not set
 # CONFIG_MTD_PLATRAM is not set
@@ -684,7 +684,6 @@ CONFIG_INPUT_MISC=y
 # CONFIG_INPUT_POWERMATE is not set
 # CONFIG_INPUT_YEALINK is not set
 # CONFIG_INPUT_UINPUT is not set
-# CONFIG_BF53X_PFBUTTONS is not set
 # CONFIG_TWI_KEYPAD is not set
 #
@@ -702,12 +701,12 @@ CONFIG_INPUT_MISC=y
 # CONFIG_BF5xx_PPIFCD is not set
 # CONFIG_BFIN_SIMPLE_TIMER is not set
 # CONFIG_BF5xx_PPI is not set
+CONFIG_BFIN_OTP=y
+# CONFIG_BFIN_OTP_WRITE_ENABLE is not set
 # CONFIG_BFIN_SPORT is not set
 # CONFIG_BFIN_TIMER_LATENCY is not set
 # CONFIG_TWI_LCD is not set
 # CONFIG_AD5304 is not set
-# CONFIG_BF5xx_TEA5764 is not set
-# CONFIG_BF5xx_FBDMA is not set
 # CONFIG_VT is not set
 # CONFIG_SERIAL_NONSTANDARD is not set
@@ -772,7 +771,6 @@ CONFIG_I2C_CHARDEV=m
 #
 # I2C Hardware Bus support
 #
-# CONFIG_I2C_BLACKFIN_GPIO is not set
 CONFIG_I2C_BLACKFIN_TWI=m
 CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ=50
 # CONFIG_I2C_GPIO is not set
diff --git a/arch/blackfin/configs/BF533-EZKIT_defconfig b/arch/blackfin/configs/BF533-EZKIT_defconfig
index 811711f59a25..9621caa60b5f 100644
--- a/arch/blackfin/configs/BF533-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF533-EZKIT_defconfig
@@ -322,10 +322,9 @@ CONFIG_PM=y
 # CONFIG_PM_LEGACY is not set
 # CONFIG_PM_DEBUG is not set
 # CONFIG_PM_SYSFS_DEPRECATED is not set
-CONFIG_PM_WAKEUP_GPIO_BY_SIC_IWR=y
+CONFIG_PM_BFIN_SLEEP_DEEPER=y
+# CONFIG_PM_BFIN_SLEEP is not set
 # CONFIG_PM_WAKEUP_BY_GPIO is not set
-# CONFIG_PM_WAKEUP_GPIO_API is not set
-CONFIG_PM_WAKEUP_SIC_IWR=0x80
 #
 # CPU Frequency scaling
@@ -697,7 +696,6 @@ CONFIG_SERIAL_BFIN_DMA=y
 # CONFIG_SERIAL_BFIN_PIO is not set
 CONFIG_SERIAL_BFIN_UART0=y
 # CONFIG_BFIN_UART0_CTSRTS is not set
-# CONFIG_SERIAL_BFIN_UART1 is not set
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_BFIN_SPORT is not set
diff --git a/arch/blackfin/configs/BF533-STAMP_defconfig b/arch/blackfin/configs/BF533-STAMP_defconfig
index 198f4123af4b..b51e76ce7f4f 100644
--- a/arch/blackfin/configs/BF533-STAMP_defconfig
+++ b/arch/blackfin/configs/BF533-STAMP_defconfig
@@ -323,10 +323,9 @@ CONFIG_PM=y
 # CONFIG_PM_LEGACY is not set
 # CONFIG_PM_DEBUG is not set
 # CONFIG_PM_SYSFS_DEPRECATED is not set
-CONFIG_PM_WAKEUP_GPIO_BY_SIC_IWR=y
+CONFIG_PM_BFIN_SLEEP_DEEPER=y
+# CONFIG_PM_BFIN_SLEEP is not set
 # CONFIG_PM_WAKEUP_BY_GPIO is not set
-# CONFIG_PM_WAKEUP_GPIO_API is not set
-CONFIG_PM_WAKEUP_SIC_IWR=0x80
 #
 # CPU Frequency scaling
@@ -714,7 +713,6 @@ CONFIG_SERIAL_BFIN_DMA=y
 # CONFIG_SERIAL_BFIN_PIO is not set
 CONFIG_SERIAL_BFIN_UART0=y
 # CONFIG_BFIN_UART0_CTSRTS is not set
-# CONFIG_SERIAL_BFIN_UART1 is not set
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_BFIN_SPORT is not set
diff --git a/arch/blackfin/configs/BF537-STAMP_defconfig b/arch/blackfin/configs/BF537-STAMP_defconfig
index b37ccc681e7a..d45fa535dad7 100644
--- a/arch/blackfin/configs/BF537-STAMP_defconfig
+++ b/arch/blackfin/configs/BF537-STAMP_defconfig
@@ -330,10 +330,9 @@ CONFIG_PM=y
 # CONFIG_PM_LEGACY is not set
 # CONFIG_PM_DEBUG is not set
 # CONFIG_PM_SYSFS_DEPRECATED is not set
-CONFIG_PM_WAKEUP_GPIO_BY_SIC_IWR=y
+CONFIG_PM_BFIN_SLEEP_DEEPER=y
+# CONFIG_PM_BFIN_SLEEP is not set
 # CONFIG_PM_WAKEUP_BY_GPIO is not set
-# CONFIG_PM_WAKEUP_GPIO_API is not set
-CONFIG_PM_WAKEUP_SIC_IWR=0x8
 #
 # CPU Frequency scaling
@@ -1013,6 +1012,7 @@ CONFIG_SND_BFIN_AD73311_SE=4
 CONFIG_SND_SOC_AC97_BUS=y
 CONFIG_SND_SOC=m
 CONFIG_SND_BF5XX_SOC=m
+CONFIG_SND_MMAP_SUPPORT=y
 CONFIG_SND_BF5XX_SOC_AC97=m
 # CONFIG_SND_BF5XX_SOC_WM8750 is not set
 # CONFIG_SND_BF5XX_SOC_WM8731 is not set
diff --git a/arch/blackfin/configs/BF548-EZKIT_defconfig b/arch/blackfin/configs/BF548-EZKIT_defconfig
index fd702161ef59..c9707f7665ad 100644
--- a/arch/blackfin/configs/BF548-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF548-EZKIT_defconfig
@@ -396,6 +396,7 @@ CONFIG_BINFMT_ZFLAT=y
 # Power management options
 #
 # CONFIG_PM is not set
+# CONFIG_PM_WAKEUP_BY_GPIO is not set
 #
 # CPU Frequency scaling
@@ -1075,6 +1076,7 @@ CONFIG_SND_VERBOSE_PROCFS=y
 CONFIG_SND_SOC_AC97_BUS=y
 CONFIG_SND_SOC=y
 CONFIG_SND_BF5XX_SOC=y
+CONFIG_SND_MMAP_SUPPORT=y
 CONFIG_SND_BF5XX_SOC_AC97=y
 CONFIG_SND_BF5XX_SOC_BF548_EZKIT=y
 # CONFIG_SND_BF5XX_SOC_WM8750 is not set
diff --git a/arch/blackfin/configs/BF561-EZKIT_defconfig b/arch/blackfin/configs/BF561-EZKIT_defconfig
index 8546994939fb..4d8a63331309 100644
--- a/arch/blackfin/configs/BF561-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF561-EZKIT_defconfig
@@ -367,6 +367,7 @@ CONFIG_BINFMT_ZFLAT=y
 # Power management options
 #
 # CONFIG_PM is not set
+# CONFIG_PM_WAKEUP_BY_GPIO is not set
 #
 # Networking
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c
index 5453bc3664fc..8fd5d22cec34 100644
--- a/arch/blackfin/kernel/bfin_dma_5xx.c
+++ b/arch/blackfin/kernel/bfin_dma_5xx.c
@@ -105,13 +105,14 @@ int request_dma(unsigned int channel, char *device_id)
        mutex_unlock(&(dma_ch[channel].dmalock));
 #ifdef CONFIG_BF54x
-        if (channel >= CH_UART2_RX && channel <= CH_UART3_TX &&
+        if (channel >= CH_UART2_RX && channel <= CH_UART3_TX) {
-                strncmp(device_id, "BFIN_UART", 9) == 0)
+                if (strncmp(device_id, "BFIN_UART", 9) == 0)
-                dma_ch[channel].regs->peripheral_map |=
+                        dma_ch[channel].regs->peripheral_map |=
-                        (channel - CH_UART2_RX + 0xC);
+                                (channel - CH_UART2_RX + 0xC);
-        else
+                else
-                dma_ch[channel].regs->peripheral_map |=
+                        dma_ch[channel].regs->peripheral_map |=
-                        (channel - CH_UART2_RX + 0x6);
+                                (channel - CH_UART2_RX + 0x6);
+        }
 #endif
        dma_ch[channel].device_id = device_id;
diff --git a/arch/blackfin/kernel/gptimers.c b/arch/blackfin/kernel/gptimers.c
index 5cf4bdb1df3b..1904d8b53328 100644
--- a/arch/blackfin/kernel/gptimers.c
+++ b/arch/blackfin/kernel/gptimers.c
@@ -1,9 +1,9 @@
 /*
- * bfin_gptimers.c - derived from bf53x_timers.c
+ * gptimers.c - Blackfin General Purpose Timer core API
- *  Driver for General Purpose Timer functions on the Blackfin processor
 *
- *  Copyright (C) 2005 John DeHority
+ * Copyright (c) 2005-2008 Analog Devices Inc.
- *  Copyright (C) 2006 Hella Aglaia GmbH (awe@aglaia-gmbh.de)
+ * Copyright (C) 2005 John DeHority
+ * Copyright (C) 2006 Hella Aglaia GmbH (awe@aglaia-gmbh.de)
 *
 * Licensed under the GPLv2.
 */
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 8229b1090eb9..2255c289a714 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -32,6 +32,7 @@
 static DEFINE_PER_CPU(struct cpu, cpu_devices);
 u16 _bfin_swrst;
+EXPORT_SYMBOL(_bfin_swrst);
 unsigned long memory_start, memory_end, physical_mem_end;
 unsigned long reserved_mem_dcache_on;
@@ -514,6 +515,7 @@ static __init void  memory_setup(void)
        printk(KERN_INFO "Kernel Managed Memory: %ldMB\n", _ramend >> 20);
        printk(KERN_INFO "Memory map:\n"
+                KERN_INFO "  fixedcode = 0x%p-0x%p\n"
                KERN_INFO "  text      = 0x%p-0x%p\n"
                KERN_INFO "  rodata    = 0x%p-0x%p\n"
                KERN_INFO "  bss       = 0x%p-0x%p\n"
@@ -527,7 +529,8 @@ static __init void  memory_setup(void)
 #if DMA_UNCACHED_REGION > 0
                KERN_INFO "  DMA Zone  = 0x%p-0x%p\n"
 #endif
-                , _stext, _etext,
+                , (void *)FIXED_CODE_START, (void *)FIXED_CODE_END,
+                _stext, _etext,
                __start_rodata, __end_rodata,
                __bss_start, __bss_stop,
                _sdata, _edata,
diff --git a/arch/blackfin/kernel/vmlinux.lds.S b/arch/blackfin/kernel/vmlinux.lds.S
index aed832540b3b..cb01a9de2680 100644
--- a/arch/blackfin/kernel/vmlinux.lds.S
+++ b/arch/blackfin/kernel/vmlinux.lds.S
@@ -147,44 +147,64 @@ SECTIONS
        __l1_lma_start = .;
+#if L1_CODE_LENGTH
+# define LDS_L1_CODE *(.l1.text)
+#else
+# define LDS_L1_CODE
+#endif
        .text_l1 L1_CODE_START : AT(LOADADDR(.init.ramfs) + SIZEOF(.init.ramfs))
        {
                . = ALIGN(4);
                __stext_l1 = .;
-                *(.l1.text)
+                LDS_L1_CODE
                . = ALIGN(4);
                __etext_l1 = .;
        }
+#if L1_DATA_A_LENGTH
+# define LDS_L1_A_DATA  *(.l1.data)
+# define LDS_L1_A_BSS   *(.l1.bss)
+# define LDS_L1_A_CACHE *(.data_l1.cacheline_aligned)
+#else
+# define LDS_L1_A_DATA
+# define LDS_L1_A_BSS
+# define LDS_L1_A_CACHE
+#endif
        .data_l1 L1_DATA_A_START : AT(LOADADDR(.text_l1) + SIZEOF(.text_l1))
        {
                . = ALIGN(4);
                __sdata_l1 = .;
-                *(.l1.data)
+                LDS_L1_A_DATA
                __edata_l1 = .;
                . = ALIGN(4);
                __sbss_l1 = .;
-                *(.l1.bss)
+                LDS_L1_A_BSS
                . = ALIGN(32);
-                *(.data_l1.cacheline_aligned)
+                LDS_L1_A_CACHE
                . = ALIGN(4);
                __ebss_l1 = .;
        }
+#if L1_DATA_B_LENGTH
+# define LDS_L1_B_DATA  *(.l1.data.B)
+# define LDS_L1_B_BSS   *(.l1.bss.B)
+#else
+# define LDS_L1_B_DATA
+# define LDS_L1_B_BSS
+#endif
        .data_b_l1 L1_DATA_B_START : AT(LOADADDR(.data_l1) + SIZEOF(.data_l1))
        {
                . = ALIGN(4);
                __sdata_b_l1 = .;
-                *(.l1.data.B)
+                LDS_L1_B_DATA
                __edata_b_l1 = .;
                . = ALIGN(4);
                __sbss_b_l1 = .;
-                *(.l1.bss.B)
+                LDS_L1_B_BSS
                . = ALIGN(4);
                __ebss_b_l1 = .;
diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c
index 337515fba612..cf4bc0d83355 100644
--- a/arch/blackfin/mach-bf527/boards/ezkit.c
+++ b/arch/blackfin/mach-bf527/boards/ezkit.c
@@ -180,8 +180,8 @@ static struct mtd_partition partition_info[] = {
        },
        {
                .name = "File System",
-                .offset = 4 * SIZE_1M,
+                .offset = MTDPART_OFS_APPEND,
-                .size = (256 - 4) * SIZE_1M,
+                .size = MTDPART_SIZ_FULL,
        },
 };
@@ -422,11 +422,11 @@ static struct mtd_partition bfin_spi_flash_partitions[] = {
        }, {
                .name = "kernel",
                .size = 0xe0000,
-                .offset = 0x20000
+                .offset = MTDPART_OFS_APPEND,
        }, {
                .name = "file system",
-                .size = 0x700000,
+                .size = MTDPART_SIZ_FULL,
-                .offset = 0x00100000,
+                .offset = MTDPART_OFS_APPEND,
        }
 };
@@ -484,13 +484,6 @@ static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
 };
 #endif
-#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
-static struct bfin5xx_spi_chip ad5304_chip_info = {
-        .enable_dma = 0,
-        .bits_per_word = 16,
-};
-#endif
 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
 static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
        .enable_dma = 0,
@@ -611,17 +604,6 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
                .mode = SPI_MODE_3,
        },
 #endif
-#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
-        {
-                .modalias = "ad5304_spi",
-                .max_speed_hz = 1250000,     /* max spi clock (SCK) speed in HZ */
-                .bus_num = 0,
-                .chip_select = 2,
-                .platform_data = NULL,
-                .controller_data = &ad5304_chip_info,
-                .mode = SPI_MODE_2,
-        },
-#endif
 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
        {
                .modalias               = "ad7877",
@@ -818,6 +800,19 @@ static struct platform_device bfin_device_gpiokeys = {
 };
 #endif
+static struct resource bfin_gpios_resources = {
+        .start = 0,
+        .end   = MAX_BLACKFIN_GPIOS - 1,
+        .flags = IORESOURCE_IRQ,
+};
+static struct platform_device bfin_gpios_device = {
+        .name = "simple-gpio",
+        .id = -1,
+        .num_resources = 1,
+        .resource = &bfin_gpios_resources,
+};
 static struct platform_device *stamp_devices[] __initdata = {
 #if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
        &bf5xx_nand_device,
@@ -895,6 +890,8 @@ static struct platform_device *stamp_devices[] __initdata = {
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
        &bfin_device_gpiokeys,
 #endif
+        &bfin_gpios_device,
 };
 static int __init stamp_init(void)
@@ -921,13 +918,18 @@ void native_machine_restart(char *cmd)
                bfin_gpio_reset_spi0_ssel1();
 }
-/*
- * Currently the MAC address is saved in Flash by U-Boot
- */
-#define FLASH_MAC       0x203f0000
 void bfin_get_ether_addr(char *addr)
 {
-        *(u32 *)(&(addr[0])) = bfin_read32(FLASH_MAC);
+        /* the MAC is stored in OTP memory page 0xDF */
-        *(u16 *)(&(addr[4])) = bfin_read16(FLASH_MAC + 4);
+        u32 ret;
+        u64 otp_mac;
+        u32 (*otp_read)(u32 page, u32 flags, u64 *page_content) = (void *)0xEF00001A;
+        ret = otp_read(0xDF, 0x00, &otp_mac);
+        if (!(ret & 0x1)) {
+                char *otp_mac_p = (char *)&otp_mac;
+                for (ret = 0; ret < 6; ++ret)
+                        addr[ret] = otp_mac_p[5 - ret];
+        }
 }
 EXPORT_SYMBOL(bfin_get_ether_addr);
diff --git a/arch/blackfin/mach-bf533/boards/ezkit.c b/arch/blackfin/mach-bf533/boards/ezkit.c
index 2b09aa39f565..241b5a20a36a 100644
--- a/arch/blackfin/mach-bf533/boards/ezkit.c
+++ b/arch/blackfin/mach-bf533/boards/ezkit.c
@@ -99,11 +99,11 @@ static struct mtd_partition bfin_spi_flash_partitions[] = {
        }, {
                .name = "kernel",
                .size = 0xe0000,
-                .offset = 0x20000
+                .offset = MTDPART_OFS_APPEND,
        }, {
                .name = "file system",
-                .size = 0x700000,
+                .size = MTDPART_SIZ_FULL,
-                .offset = 0x00100000,
+                .offset = MTDPART_OFS_APPEND,
        }
 };
@@ -298,6 +298,19 @@ static struct platform_device bfin_device_gpiokeys = {
 };
 #endif
+static struct resource bfin_gpios_resources = {
+        .start = 0,
+        .end   = MAX_BLACKFIN_GPIOS - 1,
+        .flags = IORESOURCE_IRQ,
+};
+static struct platform_device bfin_gpios_device = {
+        .name = "simple-gpio",
+        .id = -1,
+        .num_resources = 1,
+        .resource = &bfin_gpios_resources,
+};
 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 #include <linux/i2c-gpio.h>
@@ -350,6 +363,8 @@ static struct platform_device *ezkit_devices[] __initdata = {
 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
        &i2c_gpio_device,
 #endif
+        &bfin_gpios_device,
 };
 static int __init ezkit_init(void)
diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c
index a645f6fd091b..b2ac4816ae62 100644
--- a/arch/blackfin/mach-bf533/boards/stamp.c
+++ b/arch/blackfin/mach-bf533/boards/stamp.c
@@ -112,7 +112,7 @@ static struct platform_device net2272_bfin_device = {
 static struct mtd_partition stamp_partitions[] = {
        {
                .name   = "Bootloader",
-                .size   = 0x20000,
+                .size   = 0x40000,
                .offset = 0,
        }, {
                .name   = "Kernel",
@@ -160,17 +160,17 @@ static struct platform_device stamp_flash_device = {
 static struct mtd_partition bfin_spi_flash_partitions[] = {
        {
                .name = "bootloader",
-                .size = 0x00020000,
+                .size = 0x00040000,
                .offset = 0,
                .mask_flags = MTD_CAP_ROM
        }, {
                .name = "kernel",
                .size = 0xe0000,
-                .offset = 0x20000
+                .offset = MTDPART_OFS_APPEND,
        }, {
                .name = "file system",
-                .size = 0x700000,
+                .size = MTDPART_SIZ_FULL,
-                .offset = 0x00100000,
+                .offset = MTDPART_OFS_APPEND,
        }
 };
@@ -212,13 +212,6 @@ static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
 };
 #endif
-#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
-static struct bfin5xx_spi_chip ad5304_chip_info = {
-        .enable_dma = 0,
-        .bits_per_word = 16,
-};
-#endif
 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
 static struct bfin5xx_spi_chip spi_mmc_chip_info = {
        .enable_dma = 1,
@@ -308,17 +301,6 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
        },
 #endif
-#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
-        {
-                .modalias = "ad5304_spi",
-                .max_speed_hz = 1000000,     /* max spi clock (SCK) speed in HZ */
-                .bus_num = 0,
-                .chip_select = 2,
-                .platform_data = NULL,
-                .controller_data = &ad5304_chip_info,
-                .mode = SPI_MODE_2,
-        },
-#endif
 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
        {
                .modalias = "spidev",
@@ -457,6 +439,19 @@ static struct platform_device bfin_device_gpiokeys = {
 };
 #endif
+static struct resource bfin_gpios_resources = {
+        .start = 0,
+        .end   = MAX_BLACKFIN_GPIOS - 1,
+        .flags = IORESOURCE_IRQ,
+};
+static struct platform_device bfin_gpios_device = {
+        .name = "simple-gpio",
+        .id = -1,
+        .num_resources = 1,
+        .resource = &bfin_gpios_resources,
+};
 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 #include <linux/i2c-gpio.h>
@@ -518,6 +513,8 @@ static struct platform_device *stamp_devices[] __initdata = {
 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
        &i2c_gpio_device,
 #endif
+        &bfin_gpios_device,
        &stamp_flash_device,
 };
diff --git a/arch/blackfin/mach-bf537/boards/generic_board.c b/arch/blackfin/mach-bf537/boards/generic_board.c
index 8a3397db1d21..c95395ba7bfa 100644
--- a/arch/blackfin/mach-bf537/boards/generic_board.c
+++ b/arch/blackfin/mach-bf537/boards/generic_board.c
@@ -371,13 +371,6 @@ static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
 };
 #endif
-#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
-static struct bfin5xx_spi_chip ad5304_chip_info = {
-        .enable_dma = 0,
-        .bits_per_word = 16,
-};
-#endif
 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
 static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
        .enable_dma = 0,
@@ -483,17 +476,6 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
                .mode = SPI_MODE_3,
        },
 #endif
-#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
-        {
-                .modalias = "ad5304_spi",
-                .max_speed_hz = 1250000,     /* max spi clock (SCK) speed in HZ */
-                .bus_num = 0,
-                .chip_select = 2,
-                .platform_data = NULL,
-                .controller_data = &ad5304_chip_info,
-                .mode = SPI_MODE_2,
-        },
-#endif
 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
        {
                .modalias               = "ad7877",
diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c
index 9e2277e0d25c..ea83148993da 100644
--- a/arch/blackfin/mach-bf537/boards/stamp.c
+++ b/arch/blackfin/mach-bf537/boards/stamp.c
@@ -128,6 +128,19 @@ static struct platform_device bfin_device_gpiokeys = {
 };
 #endif
+static struct resource bfin_gpios_resources = {
+        .start = 0,
+        .end   = MAX_BLACKFIN_GPIOS - 1,
+        .flags = IORESOURCE_IRQ,
+};
+static struct platform_device bfin_gpios_device = {
+        .name = "simple-gpio",
+        .id = -1,
+        .num_resources = 1,
+        .resource = &bfin_gpios_resources,
+};
 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
 static struct resource bfin_pcmcia_cf_resources[] = {
        {
@@ -343,7 +356,7 @@ static struct platform_device net2272_bfin_device = {
 static struct mtd_partition stamp_partitions[] = {
        {
                .name       = "Bootloader",
-                .size       = 0x20000,
+                .size       = 0x40000,
                .offset     = 0,
        }, {
                .name       = "Kernel",
@@ -351,7 +364,7 @@ static struct mtd_partition stamp_partitions[] = {
                .offset     = MTDPART_OFS_APPEND,
        }, {
                .name       = "RootFS",
-                .size       = 0x400000 - 0x20000 - 0xE0000 - 0x10000,
+                .size       = 0x400000 - 0x40000 - 0xE0000 - 0x10000,
                .offset     = MTDPART_OFS_APPEND,
        }, {
                .name       = "MAC Address",
@@ -391,17 +404,17 @@ static struct platform_device stamp_flash_device = {
 static struct mtd_partition bfin_spi_flash_partitions[] = {
        {
                .name = "bootloader",
-                .size = 0x00020000,
+                .size = 0x00040000,
                .offset = 0,
                .mask_flags = MTD_CAP_ROM
        }, {
                .name = "kernel",
                .size = 0xe0000,
-                .offset = 0x20000
+                .offset = MTDPART_OFS_APPEND,
        }, {
                .name = "file system",
-                .size = 0x700000,
+                .size = MTDPART_SIZ_FULL,
-                .offset = 0x00100000,
+                .offset = MTDPART_OFS_APPEND,
        }
 };
@@ -459,13 +472,6 @@ static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
 };
 #endif
-#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
-static struct bfin5xx_spi_chip ad5304_chip_info = {
-        .enable_dma = 0,
-        .bits_per_word = 16,
-};
-#endif
 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
 static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
        .enable_dma = 0,
@@ -578,17 +584,6 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
                .mode = SPI_MODE_3,
        },
 #endif
-#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
-        {
-                .modalias = "ad5304_spi",
-                .max_speed_hz = 1250000,     /* max spi clock (SCK) speed in HZ */
-                .bus_num = 0,
-                .chip_select = 2,
-                .platform_data = NULL,
-                .controller_data = &ad5304_chip_info,
-                .mode = SPI_MODE_2,
-        },
-#endif
 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
        {
                .modalias               = "ad7877",
@@ -821,6 +816,8 @@ static struct platform_device *stamp_devices[] __initdata = {
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
        &bfin_device_gpiokeys,
 #endif
+        &bfin_gpios_device,
        &stamp_flash_device,
 };
diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c
index 916e963e83ba..a0950c1fd800 100644
--- a/arch/blackfin/mach-bf548/boards/ezkit.c
+++ b/arch/blackfin/mach-bf548/boards/ezkit.c
@@ -285,8 +285,8 @@ static struct mtd_partition partition_info[] = {
        },
        {
                .name = "File System",
-                .offset = 4 * SIZE_1M,
+                .offset = MTDPART_OFS_APPEND,
-                .size = (256 - 4) * SIZE_1M,
+                .size = MTDPART_SIZ_FULL,
        },
 };
@@ -333,7 +333,7 @@ static struct platform_device bf54x_sdh_device = {
 static struct mtd_partition ezkit_partitions[] = {
        {
                .name       = "Bootloader",
-                .size       = 0x20000,
+                .size       = 0x40000,
                .offset     = 0,
        }, {
                .name       = "Kernel",
@@ -381,8 +381,8 @@ static struct mtd_partition bfin_spi_flash_partitions[] = {
                .mask_flags = MTD_CAP_ROM
        }, {
                .name = "linux kernel",
-                .size = 0x1c0000,
+                .size = MTDPART_SIZ_FULL,
-                .offset = 0x40000
+                .offset = MTDPART_OFS_APPEND,
        }
 };
@@ -594,6 +594,19 @@ static struct platform_device bfin_device_gpiokeys = {
 };
 #endif
+static struct resource bfin_gpios_resources = {
+        .start = 0,
+        .end   = MAX_BLACKFIN_GPIOS - 1,
+        .flags = IORESOURCE_IRQ,
+};
+static struct platform_device bfin_gpios_device = {
+        .name = "simple-gpio",
+        .id = -1,
+        .num_resources = 1,
+        .resource = &bfin_gpios_resources,
+};
 static struct platform_device *ezkit_devices[] __initdata = {
 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
        &rtc_device,
@@ -646,6 +659,8 @@ static struct platform_device *ezkit_devices[] __initdata = {
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
        &bfin_device_gpiokeys,
 #endif
+        &bfin_gpios_device,
        &ezkit_flash_device,
 };
diff --git a/arch/blackfin/mach-bf548/dma.c b/arch/blackfin/mach-bf548/dma.c
index 374803a8d2e8..f5479298bb79 100644
--- a/arch/blackfin/mach-bf548/dma.c
+++ b/arch/blackfin/mach-bf548/dma.c
@@ -27,6 +27,8 @@
 * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
+#include <linux/module.h>
 #include <asm/blackfin.h>
 #include <asm/dma.h>
diff --git a/arch/blackfin/mach-bf548/head.S b/arch/blackfin/mach-bf548/head.S
index 74fe258421a5..46222a75321a 100644
--- a/arch/blackfin/mach-bf548/head.S
+++ b/arch/blackfin/mach-bf548/head.S
@@ -28,6 +28,7 @@
 */
 #include <linux/linkage.h>
+#include <linux/init.h>
 #include <asm/blackfin.h>
 #include <asm/trace.h>
 #if CONFIG_BFIN_KERNEL_CLOCK
@@ -44,10 +45,9 @@
 #define INITIAL_STACK   0xFFB01000
-.text
+__INIT
 ENTRY(__start)
-ENTRY(__stext)
        /* R0: argument of command line string, passed from uboot, save it */
        R7 = R0;
        /* Enable Cycle Counter and Nesting Of Interrupts */
@@ -213,6 +213,7 @@ ENTRY(__stext)
 .LWAIT_HERE:
        jump .LWAIT_HERE;
+ENDPROC(__start)
 ENTRY(_real_start)
        [ -- sp ] = reti;
@@ -285,6 +286,9 @@ ENTRY(_real_start)
        call _start_kernel;
 .L_exit:
        jump.s  .L_exit;
+ENDPROC(_real_start)
+__FINIT
 .section .l1.text
 #if CONFIG_BFIN_KERNEL_CLOCK
@@ -450,6 +454,7 @@ ENTRY(_start_dma_code)
        SSYNC;
        RTS;
+ENDPROC(_start_dma_code)
 #endif /* CONFIG_BFIN_KERNEL_CLOCK */
 .data
diff --git a/arch/blackfin/mach-bf561/boards/ezkit.c b/arch/blackfin/mach-bf561/boards/ezkit.c
index 43c1b0982819..d357f648d963 100644
--- a/arch/blackfin/mach-bf561/boards/ezkit.c
+++ b/arch/blackfin/mach-bf561/boards/ezkit.c
@@ -223,7 +223,7 @@ static struct platform_device bfin_uart_device = {
 static struct mtd_partition ezkit_partitions[] = {
        {
                .name       = "Bootloader",
-                .size       = 0x20000,
+                .size       = 0x40000,
                .offset     = 0,
        }, {
                .name       = "Kernel",
@@ -389,6 +389,19 @@ static struct platform_device bfin_device_gpiokeys = {
 };
 #endif
+static struct resource bfin_gpios_resources = {
+        .start = 0,
+        .end   = MAX_BLACKFIN_GPIOS - 1,
+        .flags = IORESOURCE_IRQ,
+};
+static struct platform_device bfin_gpios_device = {
+        .name = "simple-gpio",
+        .id = -1,
+        .num_resources = 1,
+        .resource = &bfin_gpios_resources,
+};
 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 #include <linux/i2c-gpio.h>
@@ -446,6 +459,7 @@ static struct platform_device *ezkit_devices[] __initdata = {
        &isp1362_hcd_device,
 #endif
+        &bfin_gpios_device,
        &ezkit_flash_device,
 };
diff --git a/arch/blackfin/mach-common/dpmc.S b/arch/blackfin/mach-common/dpmc.S
index b80ddd8b232d..9d45aa3265b1 100644
--- a/arch/blackfin/mach-common/dpmc.S
+++ b/arch/blackfin/mach-common/dpmc.S
@@ -31,140 +31,6 @@
 #include <asm/blackfin.h>
 #include <asm/mach/irq.h>
-.text
-ENTRY(_unmask_wdog_wakeup_evt)
-        [--SP] = ( R7:0, P5:0 );
-#if defined(CONFIG_BF561)
-        P0.H = hi(SICA_IWR1);
-        P0.L = lo(SICA_IWR1);
-#elif defined(CONFIG_BF54x) || defined(CONFIG_BF52x)
-        P0.h = HI(SIC_IWR0);
-        P0.l = LO(SIC_IWR0);
-#else
-        P0.h = HI(SIC_IWR);
-        P0.l = LO(SIC_IWR);
-#endif
-        R7 = [P0];
-#if defined(CONFIG_BF561)
-        BITSET(R7, 27);
-#else
-        BITSET(R7,(IRQ_WATCH - IVG7));
-#endif
-        [P0] = R7;
-        SSYNC;
-        ( R7:0, P5:0 ) = [SP++];
-        RTS;
-.LWRITE_TO_STAT:
-        /* When watch dog timer is enabled, a write to STAT will load the
-         * contents of CNT to STAT
-         */
-        R7 = 0x0000(z);
-#if defined(CONFIG_BF561)
-        P0.h = HI(WDOGA_STAT);
-        P0.l = LO(WDOGA_STAT);
-#else
-        P0.h = HI(WDOG_STAT);
-        P0.l = LO(WDOG_STAT);
-#endif
-        [P0] = R7;
-        SSYNC;
-        JUMP .LSKIP_WRITE_TO_STAT;
-ENTRY(_program_wdog_timer)
-        [--SP] = ( R7:0, P5:0 );
-#if defined(CONFIG_BF561)
-        P0.h = HI(WDOGA_CNT);
-        P0.l = LO(WDOGA_CNT);
-#else
-        P0.h = HI(WDOG_CNT);
-        P0.l = LO(WDOG_CNT);
-#endif
-        [P0] = R0;
-        SSYNC;
-#if defined(CONFIG_BF561)
-        P0.h = HI(WDOGA_CTL);
-        P0.l = LO(WDOGA_CTL);
-#else
-        P0.h = HI(WDOG_CTL);
-        P0.l = LO(WDOG_CTL);
-#endif
-        R7 = W[P0](Z);
-        CC = BITTST(R7,1);
-        if !CC JUMP .LWRITE_TO_STAT;
-        CC = BITTST(R7,2);
-        if !CC JUMP .LWRITE_TO_STAT;
-.LSKIP_WRITE_TO_STAT:
-#if defined(CONFIG_BF561)
-        P0.h = HI(WDOGA_CTL);
-        P0.l = LO(WDOGA_CTL);
-#else
-        P0.h = HI(WDOG_CTL);
-        P0.l = LO(WDOG_CTL);
-#endif
-        R7 = W[P0](Z);
-        BITCLR(R7,1);   /* Enable GP event */
-        BITSET(R7,2);
-        W[P0] = R7.L;
-        SSYNC;
-        NOP;
-        R7 = W[P0](Z);
-        BITCLR(R7,4);   /* Enable the wdog counter */
-        W[P0] = R7.L;
-        SSYNC;
-        ( R7:0, P5:0 ) = [SP++];
-        RTS;
-ENTRY(_clear_wdog_wakeup_evt)
-        [--SP] = ( R7:0, P5:0 );
-#if defined(CONFIG_BF561)
-        P0.h = HI(WDOGA_CTL);
-        P0.l = LO(WDOGA_CTL);
-#else
-        P0.h = HI(WDOG_CTL);
-        P0.l = LO(WDOG_CTL);
-#endif
-        R7 = 0x0AD6(Z);
-        W[P0] = R7.L;
-        SSYNC;
-        R7 = W[P0](Z);
-        BITSET(R7,15);
-        W[P0] = R7.L;
-        SSYNC;
-        R7 = W[P0](Z);
-        BITSET(R7,1);
-        BITSET(R7,2);
-        W[P0] = R7.L;
-        SSYNC;
-        ( R7:0, P5:0 ) = [SP++];
-        RTS;
-ENTRY(_disable_wdog_timer)
-        [--SP] = ( R7:0, P5:0 );
-#if defined(CONFIG_BF561)
-        P0.h = HI(WDOGA_CTL);
-        P0.l = LO(WDOGA_CTL);
-#else
-        P0.h = HI(WDOG_CTL);
-        P0.l = LO(WDOG_CTL);
-#endif
-        R7 = 0xAD6(Z);
-        W[P0] = R7.L;
-        SSYNC;
-        ( R7:0, P5:0 ) = [SP++];
-        RTS;
-#if !defined(CONFIG_BF561)
 .section .l1.text
@@ -459,10 +325,12 @@ ENTRY(_set_sic_iwr)
        RTS;
 ENTRY(_set_rtc_istat)
+#ifndef CONFIG_BF561
        P0.H = hi(RTC_ISTAT);
        P0.L = lo(RTC_ISTAT);
        w[P0] = R0.L;
        SSYNC;
+#endif
        RTS;
 ENTRY(_test_pll_locked)
@@ -473,4 +341,3 @@ ENTRY(_test_pll_locked)
        CC = BITTST(R0,5);
        IF !CC JUMP 1b;
        RTS;
-#endif
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index 880595afe98d..225ef14af75e 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -74,7 +74,7 @@ unsigned long bfin_sic_iwr[3];	/* Up to 3 SIC_IWRx registers */
 #endif
 struct ivgx {
-        /* irq number for request_irq, available in mach-bf533/irq.h */
+        /* irq number for request_irq, available in mach-bf5xx/irq.h */
        unsigned int irqno;
        /* corresponding bit in the SIC_ISR register */
        unsigned int isrflag;
@@ -86,7 +86,6 @@ struct ivg_slice {
        struct ivgx *istop;
 } ivg7_13[IVG13 - IVG7 + 1];
-static void search_IAR(void);
 /*
 * Search SIC_IAR and fill tables with the irqvalues
@@ -120,10 +119,10 @@ static void __init search_IAR(void)
 }
 /*
- * This is for BF533 internal IRQs
+ * This is for core internal IRQs
 */
-static void ack_noop(unsigned int irq)
+static void bfin_ack_noop(unsigned int irq)
 {
        /* Dummy function.  */
 }
@@ -156,11 +155,11 @@ static void bfin_internal_mask_irq(unsigned int irq)
 {
 #ifdef CONFIG_BF53x
        bfin_write_SIC_IMASK(bfin_read_SIC_IMASK() &
-                             ~(1 << (irq - (IRQ_CORETMR + 1))));
+                             ~(1 << SIC_SYSIRQ(irq)));
 #else
        unsigned mask_bank, mask_bit;
-        mask_bank = (irq - (IRQ_CORETMR + 1)) / 32;
+        mask_bank = SIC_SYSIRQ(irq) / 32;
-        mask_bit = (irq - (IRQ_CORETMR + 1)) % 32;
+        mask_bit = SIC_SYSIRQ(irq) % 32;
        bfin_write_SIC_IMASK(mask_bank, bfin_read_SIC_IMASK(mask_bank) &
                             ~(1 << mask_bit));
 #endif
@@ -171,11 +170,11 @@ static void bfin_internal_unmask_irq(unsigned int irq)
 {
 #ifdef CONFIG_BF53x
        bfin_write_SIC_IMASK(bfin_read_SIC_IMASK() |
-                             (1 << (irq - (IRQ_CORETMR + 1))));
+                             (1 << SIC_SYSIRQ(irq)));
 #else
        unsigned mask_bank, mask_bit;
-        mask_bank = (irq - (IRQ_CORETMR + 1)) / 32;
+        mask_bank = SIC_SYSIRQ(irq) / 32;
-        mask_bit = (irq - (IRQ_CORETMR + 1)) % 32;
+        mask_bit = SIC_SYSIRQ(irq) % 32;
        bfin_write_SIC_IMASK(mask_bank, bfin_read_SIC_IMASK(mask_bank) |
                             (1 << mask_bit));
 #endif
@@ -187,8 +186,8 @@ int bfin_internal_set_wake(unsigned int irq, unsigned int state)
 {
        unsigned bank, bit;
        unsigned long flags;
-        bank = (irq - (IRQ_CORETMR + 1)) / 32;
+        bank = SIC_SYSIRQ(irq) / 32;
-        bit = (irq - (IRQ_CORETMR + 1)) % 32;
+        bit = SIC_SYSIRQ(irq) % 32;
        local_irq_save(flags);
@@ -204,15 +203,18 @@ int bfin_internal_set_wake(unsigned int irq, unsigned int state)
 #endif
 static struct irq_chip bfin_core_irqchip = {
-        .ack = ack_noop,
+        .ack = bfin_ack_noop,
        .mask = bfin_core_mask_irq,
        .unmask = bfin_core_unmask_irq,
 };
 static struct irq_chip bfin_internal_irqchip = {
-        .ack = ack_noop,
+        .ack = bfin_ack_noop,
        .mask = bfin_internal_mask_irq,
        .unmask = bfin_internal_unmask_irq,
+        .mask_ack = bfin_internal_mask_irq,
+        .disable = bfin_internal_mask_irq,
+        .enable = bfin_internal_unmask_irq,
 #ifdef CONFIG_PM
        .set_wake = bfin_internal_set_wake,
 #endif
@@ -221,38 +223,23 @@ static struct irq_chip bfin_internal_irqchip = {
 #ifdef BF537_GENERIC_ERROR_INT_DEMUX
 static int error_int_mask;
-static void bfin_generic_error_ack_irq(unsigned int irq)
-{
-}
 static void bfin_generic_error_mask_irq(unsigned int irq)
 {
        error_int_mask &= ~(1L << (irq - IRQ_PPI_ERROR));
-        if (!error_int_mask) {
+        if (!error_int_mask)
-                local_irq_disable();
+                bfin_internal_mask_irq(IRQ_GENERIC_ERROR);
-                bfin_write_SIC_IMASK(bfin_read_SIC_IMASK() &
-                                     ~(1 << (IRQ_GENERIC_ERROR -
-                                        (IRQ_CORETMR + 1))));
-                SSYNC();
-                local_irq_enable();
-        }
 }
 static void bfin_generic_error_unmask_irq(unsigned int irq)
 {
-        local_irq_disable();
+        bfin_internal_unmask_irq(IRQ_GENERIC_ERROR);
-        bfin_write_SIC_IMASK(bfin_read_SIC_IMASK() | 1 <<
-                             (IRQ_GENERIC_ERROR - (IRQ_CORETMR + 1)));
-        SSYNC();
-        local_irq_enable();
        error_int_mask |= 1L << (irq - IRQ_PPI_ERROR);
 }
 static struct irq_chip bfin_generic_error_irqchip = {
-        .ack = bfin_generic_error_ack_irq,
+        .ack = bfin_ack_noop,
+        .mask_ack = bfin_generic_error_mask_irq,
        .mask = bfin_generic_error_mask_irq,
        .unmask = bfin_generic_error_unmask_irq,
 };
@@ -608,7 +595,7 @@ static struct pin_int_t *pint[NR_PINT_SYS_IRQS] = {
        (struct pin_int_t *)PINT3_MASK_SET,
 };
-unsigned short get_irq_base(u8 bank, u8 bmap)
+inline unsigned short get_irq_base(u8 bank, u8 bmap)
 {
        u16 irq_base;
@@ -969,17 +956,12 @@ int __init init_arch_irq(void)
 #if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561)
        bfin_write_SIC_IMASK0(SIC_UNMASK_ALL);
        bfin_write_SIC_IMASK1(SIC_UNMASK_ALL);
-        bfin_write_SIC_IWR0(IWR_ENABLE_ALL);
-        bfin_write_SIC_IWR1(IWR_ENABLE_ALL);
 # ifdef CONFIG_BF54x
        bfin_write_SIC_IMASK2(SIC_UNMASK_ALL);
-        bfin_write_SIC_IWR2(IWR_ENABLE_ALL);
 # endif
 #else
        bfin_write_SIC_IMASK(SIC_UNMASK_ALL);
-        bfin_write_SIC_IWR(IWR_ENABLE_ALL);
 #endif
-        SSYNC();
        local_irq_disable();
@@ -1001,90 +983,53 @@ int __init init_arch_irq(void)
                        set_irq_chip(irq, &bfin_core_irqchip);
                else
                        set_irq_chip(irq, &bfin_internal_irqchip);
-#ifdef BF537_GENERIC_ERROR_INT_DEMUX
-                if (irq != IRQ_GENERIC_ERROR) {
-#endif
-                        switch (irq) {
+                switch (irq) {
 #if defined(CONFIG_BF53x)
-                        case IRQ_PROG_INTA:
+                case IRQ_PROG_INTA:
-                                set_irq_chained_handler(irq,
-                                                        bfin_demux_gpio_irq);
-                                break;
 # if defined(BF537_FAMILY) && !(defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE))
-                        case IRQ_MAC_RX:
+                case IRQ_MAC_RX:
-                                set_irq_chained_handler(irq,
-                                                        bfin_demux_gpio_irq);
-                                break;
 # endif
 #elif defined(CONFIG_BF54x)
-                        case IRQ_PINT0:
+                case IRQ_PINT0:
-                                set_irq_chained_handler(irq,
+                case IRQ_PINT1:
-                                                        bfin_demux_gpio_irq);
+                case IRQ_PINT2:
-                                break;
+                case IRQ_PINT3:
-                        case IRQ_PINT1:
-                                set_irq_chained_handler(irq,
-                                                        bfin_demux_gpio_irq);
-                                break;
-                        case IRQ_PINT2:
-                                set_irq_chained_handler(irq,
-                                                        bfin_demux_gpio_irq);
-                                break;
-                        case IRQ_PINT3:
-                                set_irq_chained_handler(irq,
-                                                        bfin_demux_gpio_irq);
-                                break;
 #elif defined(CONFIG_BF52x)
-                        case IRQ_PORTF_INTA:
+                case IRQ_PORTF_INTA:
-                                set_irq_chained_handler(irq,
+                case IRQ_PORTG_INTA:
-                                                        bfin_demux_gpio_irq);
+                case IRQ_PORTH_INTA:
-                                break;
-                        case IRQ_PORTG_INTA:
-                                set_irq_chained_handler(irq,
-                                                        bfin_demux_gpio_irq);
-                                break;
-                        case IRQ_PORTH_INTA:
-                                set_irq_chained_handler(irq,
-                                                        bfin_demux_gpio_irq);
-                                break;
 #elif defined(CONFIG_BF561)
-                        case IRQ_PROG0_INTA:
+                case IRQ_PROG0_INTA:
-                                set_irq_chained_handler(irq,
+                case IRQ_PROG1_INTA:
-                                                        bfin_demux_gpio_irq);
+                case IRQ_PROG2_INTA:
-                                break;
-                        case IRQ_PROG1_INTA:
-                                set_irq_chained_handler(irq,
-                                                        bfin_demux_gpio_irq);
-                                break;
-                        case IRQ_PROG2_INTA:
-                                set_irq_chained_handler(irq,
-                                                        bfin_demux_gpio_irq);
-                                break;
 #endif
-                        default:
+                        set_irq_chained_handler(irq,
-                                set_irq_handler(irq, handle_simple_irq);
+                                                bfin_demux_gpio_irq);
-                                break;
+                        break;
-                        }
 #ifdef BF537_GENERIC_ERROR_INT_DEMUX
-                } else {
+                case IRQ_GENERIC_ERROR:
                        set_irq_handler(irq, bfin_demux_error_irq);
-                }
+                        break;
 #endif
+                default:
+                        set_irq_handler(irq, handle_simple_irq);
+                        break;
+                }
        }
 #ifdef BF537_GENERIC_ERROR_INT_DEMUX
-        for (irq = IRQ_PPI_ERROR; irq <= IRQ_UART1_ERROR; irq++) {
+        for (irq = IRQ_PPI_ERROR; irq <= IRQ_UART1_ERROR; irq++)
-                set_irq_chip(irq, &bfin_generic_error_irqchip);
+                set_irq_chip_and_handler(irq, &bfin_generic_error_irqchip,
-                set_irq_handler(irq, handle_level_irq);
+                                         handle_level_irq);
-        }
 #endif
-        for (irq = GPIO_IRQ_BASE; irq < NR_IRQS; irq++) {
+        /* if configured as edge, then will be changed to do_edge_IRQ */
+        for (irq = GPIO_IRQ_BASE; irq < NR_IRQS; irq++)
+                set_irq_chip_and_handler(irq, &bfin_gpio_irqchip,
+                                         handle_level_irq);
-                set_irq_chip(irq, &bfin_gpio_irqchip);
-                /* if configured as edge, then will be changed to do_edge_IRQ */
-                set_irq_handler(irq, handle_level_irq);
-        }
        bfin_write_IMASK(0);
        CSYNC();
@@ -1106,6 +1051,16 @@ int __init init_arch_irq(void)
            IMASK_IVG14 | IMASK_IVG13 | IMASK_IVG12 | IMASK_IVG11 |
            IMASK_IVG10 | IMASK_IVG9 | IMASK_IVG8 | IMASK_IVG7 | IMASK_IVGHW;
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561)
+        bfin_write_SIC_IWR0(IWR_ENABLE_ALL);
+        bfin_write_SIC_IWR1(IWR_ENABLE_ALL);
+# ifdef CONFIG_BF54x
+        bfin_write_SIC_IWR2(IWR_ENABLE_ALL);
+# endif
+#else
+        bfin_write_SIC_IWR(IWR_ENABLE_ALL);
+#endif
        return 0;
 }
@@ -1122,7 +1077,6 @@ void do_irq(int vec, struct pt_regs *fp)
 #if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561)
                unsigned long sic_status[3];
-                SSYNC();
                sic_status[0] = bfin_read_SIC_ISR0() & bfin_read_SIC_IMASK0();
                sic_status[1] = bfin_read_SIC_ISR1() & bfin_read_SIC_IMASK1();
 #ifdef CONFIG_BF54x
@@ -1138,7 +1092,7 @@ void do_irq(int vec, struct pt_regs *fp)
                }
 #else
                unsigned long sic_status;
-                SSYNC();
                sic_status = bfin_read_SIC_IMASK() & bfin_read_SIC_ISR();
                for (;; ivg++) {
diff --git a/arch/blackfin/mm/init.c b/arch/blackfin/mm/init.c
index 1f516c55bde6..ec3141fefd20 100644
--- a/arch/blackfin/mm/init.c
+++ b/arch/blackfin/mm/init.c
@@ -181,7 +181,7 @@ void __init mem_init(void)
        }
 }
-static __init void free_init_pages(const char *what, unsigned long begin, unsigned long end)
+static void __init free_init_pages(const char *what, unsigned long begin, unsigned long end)
 {
        unsigned long addr;
        /* next to check that the page we free is not a partial page */
@@ -203,7 +203,7 @@ void __init free_initrd_mem(unsigned long start, unsigned long end)
 }
 #endif
-void __init free_initmem(void)
+void __init_refok free_initmem(void)
 {
 #if defined CONFIG_RAMKERNEL && !defined CONFIG_MPU
        free_init_pages("unused kernel memory",
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index b3400b5ad5c6..783cfbbf87ca 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -330,6 +330,7 @@ config CPU_SUBTYPE_SH5_101
 config CPU_SUBTYPE_SH5_103
        bool "Support SH5-103 processor"
+        select CPU_SH5
 endchoice
diff --git a/arch/sh/drivers/dma/dma-sh.c b/arch/sh/drivers/dma/dma-sh.c
index 5c3359756a92..71ff3d6f26e2 100644
--- a/arch/sh/drivers/dma/dma-sh.c
+++ b/arch/sh/drivers/dma/dma-sh.c
@@ -90,7 +90,7 @@ static irqreturn_t dma_tei(int irq, void *dev_id)
 static int sh_dmac_request_dma(struct dma_channel *chan)
 {
-        if (unlikely(!chan->flags & DMA_TEI_CAPABLE))
+        if (unlikely(!(chan->flags & DMA_TEI_CAPABLE)))
                return 0;
        return request_irq(get_dmte_irq(chan->chan), dma_tei,
diff --git a/arch/sh/drivers/heartbeat.c b/arch/sh/drivers/heartbeat.c
index b76a14f12ce2..ab77b0e0fa0e 100644
--- a/arch/sh/drivers/heartbeat.c
+++ b/arch/sh/drivers/heartbeat.c
@@ -93,7 +93,7 @@ static int heartbeat_drv_probe(struct platform_device *pdev)
        }
        hd->base = ioremap_nocache(res->start, res->end - res->start + 1);
-        if (!unlikely(hd->base)) {
+        if (unlikely(!hd->base)) {
                dev_err(&pdev->dev, "ioremap failed\n");
                if (!pdev->dev.platform_data)
diff --git a/arch/sh/drivers/pci/ops-dreamcast.c b/arch/sh/drivers/pci/ops-dreamcast.c
index 0dac87b19624..e1284fc69361 100644
--- a/arch/sh/drivers/pci/ops-dreamcast.c
+++ b/arch/sh/drivers/pci/ops-dreamcast.c
@@ -83,9 +83,9 @@ static int gapspci_read(struct pci_bus *bus, unsigned int devfn, int where, int
                return PCIBIOS_DEVICE_NOT_FOUND;
        switch (size) {
-                case 1: *val = ctrl_inb(GAPSPCI_BBA_CONFIG+where); break;
+                case 1: *val = inb(GAPSPCI_BBA_CONFIG+where); break;
-                case 2: *val = ctrl_inw(GAPSPCI_BBA_CONFIG+where); break;
+                case 2: *val = inw(GAPSPCI_BBA_CONFIG+where); break;
-                case 4: *val = ctrl_inl(GAPSPCI_BBA_CONFIG+where); break;
+                case 4: *val = inl(GAPSPCI_BBA_CONFIG+where); break;
        }       
        return PCIBIOS_SUCCESSFUL;
@@ -97,9 +97,9 @@ static int gapspci_write(struct pci_bus *bus, unsigned int devfn, int where, int
                return PCIBIOS_DEVICE_NOT_FOUND;
        switch (size) {
-                case 1: ctrl_outb(( u8)val, GAPSPCI_BBA_CONFIG+where); break;
+                case 1: outb(( u8)val, GAPSPCI_BBA_CONFIG+where); break;
-                case 2: ctrl_outw((u16)val, GAPSPCI_BBA_CONFIG+where); break;
+                case 2: outw((u16)val, GAPSPCI_BBA_CONFIG+where); break;
-                case 4: ctrl_outl((u32)val, GAPSPCI_BBA_CONFIG+where); break;
+                case 4: outl((u32)val, GAPSPCI_BBA_CONFIG+where); break;
        }
        return PCIBIOS_SUCCESSFUL;
@@ -127,36 +127,36 @@ int __init gapspci_init(void)
         */
        for (i=0; i<16; i++)
-                idbuf[i] = ctrl_inb(GAPSPCI_REGS+i);
+                idbuf[i] = inb(GAPSPCI_REGS+i);
        if (strncmp(idbuf, "GAPSPCI_BRIDGE_2", 16))
                return -ENODEV;
-        ctrl_outl(0x5a14a501, GAPSPCI_REGS+0x18);
+        outl(0x5a14a501, GAPSPCI_REGS+0x18);
        for (i=0; i<1000000; i++)
                ;
-        if (ctrl_inl(GAPSPCI_REGS+0x18) != 1)
+        if (inl(GAPSPCI_REGS+0x18) != 1)
                return -EINVAL;
-        ctrl_outl(0x01000000, GAPSPCI_REGS+0x20);
+        outl(0x01000000, GAPSPCI_REGS+0x20);
-        ctrl_outl(0x01000000, GAPSPCI_REGS+0x24);
+        outl(0x01000000, GAPSPCI_REGS+0x24);
-        ctrl_outl(GAPSPCI_DMA_BASE, GAPSPCI_REGS+0x28);
+        outl(GAPSPCI_DMA_BASE, GAPSPCI_REGS+0x28);
-        ctrl_outl(GAPSPCI_DMA_BASE+GAPSPCI_DMA_SIZE, GAPSPCI_REGS+0x2c);
+        outl(GAPSPCI_DMA_BASE+GAPSPCI_DMA_SIZE, GAPSPCI_REGS+0x2c);
-        ctrl_outl(1, GAPSPCI_REGS+0x14);
+        outl(1, GAPSPCI_REGS+0x14);
-        ctrl_outl(1, GAPSPCI_REGS+0x34);
+        outl(1, GAPSPCI_REGS+0x34);
        /* Setting Broadband Adapter */
-        ctrl_outw(0xf900, GAPSPCI_BBA_CONFIG+0x06);
+        outw(0xf900, GAPSPCI_BBA_CONFIG+0x06);
-        ctrl_outl(0x00000000, GAPSPCI_BBA_CONFIG+0x30);
+        outl(0x00000000, GAPSPCI_BBA_CONFIG+0x30);
-        ctrl_outb(0x00, GAPSPCI_BBA_CONFIG+0x3c);
+        outb(0x00, GAPSPCI_BBA_CONFIG+0x3c);
-        ctrl_outb(0xf0, GAPSPCI_BBA_CONFIG+0x0d);
+        outb(0xf0, GAPSPCI_BBA_CONFIG+0x0d);
-        ctrl_outw(0x0006, GAPSPCI_BBA_CONFIG+0x04);
+        outw(0x0006, GAPSPCI_BBA_CONFIG+0x04);
-        ctrl_outl(0x00002001, GAPSPCI_BBA_CONFIG+0x10);
+        outl(0x00002001, GAPSPCI_BBA_CONFIG+0x10);
-        ctrl_outl(0x01000000, GAPSPCI_BBA_CONFIG+0x14);
+        outl(0x01000000, GAPSPCI_BBA_CONFIG+0x14);
        return 0;
 }
diff --git a/arch/sh/kernel/cpu/sh2/setup-sh7619.c b/arch/sh/kernel/cpu/sh2/setup-sh7619.c
index b230eb278cef..cc530f4d84d6 100644
--- a/arch/sh/kernel/cpu/sh2/setup-sh7619.c
+++ b/arch/sh/kernel/cpu/sh2/setup-sh7619.c
@@ -10,7 +10,7 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 enum {
        UNUSED = 0,
diff --git a/arch/sh/kernel/cpu/sh2a/clock-sh7203.c b/arch/sh/kernel/cpu/sh2a/clock-sh7203.c
index 3feb95a4fcbc..fb781329848a 100644
--- a/arch/sh/kernel/cpu/sh2a/clock-sh7203.c
+++ b/arch/sh/kernel/cpu/sh2a/clock-sh7203.c
@@ -21,8 +21,8 @@
 #include <asm/freq.h>
 #include <asm/io.h>
-const static int pll1rate[]={8,12,16,0};
+static const int pll1rate[]={8,12,16,0};
-const static int pfc_divisors[]={1,2,3,4,6,8,12};
+static const int pfc_divisors[]={1,2,3,4,6,8,12};
 #define ifc_divisors pfc_divisors
 #if (CONFIG_SH_CLK_MD == 0)
diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
index db6ef5cecde1..e98dc4450352 100644
--- a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
+++ b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
@@ -10,7 +10,7 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 enum {
        UNUSED = 0,
diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7206.c b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
index a564425b905f..e6d4ec445dd8 100644
--- a/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
+++ b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
@@ -10,7 +10,7 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 enum {
        UNUSED = 0,
diff --git a/arch/sh/kernel/cpu/sh3/probe.c b/arch/sh/kernel/cpu/sh3/probe.c
index fcc80bb7bee7..10f2a760c5ee 100644
--- a/arch/sh/kernel/cpu/sh3/probe.c
+++ b/arch/sh/kernel/cpu/sh3/probe.c
@@ -94,9 +94,9 @@ int __uses_jump_to_uncached detect_cpu_and_cache_system(void)
                boot_cpu_data.dcache.way_incr   = (1 << 13);
                boot_cpu_data.dcache.entry_mask = 0x1ff0;
                boot_cpu_data.dcache.sets       = 512;
-                ctrl_outl(CCR_CACHE_32KB, CCR3);
+                ctrl_outl(CCR_CACHE_32KB, CCR3_REG);
 #else
-                ctrl_outl(CCR_CACHE_16KB, CCR3);
+                ctrl_outl(CCR_CACHE_16KB, CCR3_REG);
 #endif
 #endif
        }
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7705.c b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
index dd0a20a685f7..f581534cb732 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7705.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
@@ -12,7 +12,7 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 #include <asm/rtc.h>
 enum {
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh770x.c b/arch/sh/kernel/cpu/sh3/setup-sh770x.c
index 969804bb523b..d3733b13ea52 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh770x.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh770x.c
@@ -16,7 +16,7 @@
 #include <linux/irq.h>
 #include <linux/platform_device.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 enum {
        UNUSED = 0,
@@ -123,15 +123,15 @@ static struct resource rtc_resources[] = {
                .flags  = IORESOURCE_IO,
        },
        [1] =   {
-                .start  = 20,
+                .start  = 21,
                .flags  = IORESOURCE_IRQ,
        },
        [2] =   {
-                .start  = 21,
+                .start  = 22,
                .flags  = IORESOURCE_IRQ,
        },
        [3] =   {
-                .start  = 22,
+                .start  = 20,
                .flags  = IORESOURCE_IRQ,
        },
 };
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7710.c b/arch/sh/kernel/cpu/sh3/setup-sh7710.c
index 0cc0e2bf135d..7406c9ad9259 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7710.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7710.c
@@ -12,7 +12,7 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 #include <asm/rtc.h>
 enum {
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7720.c b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
index 3855ea4c21c8..8028082527c5 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7720.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
@@ -16,7 +16,7 @@
 #include <linux/init.h>
 #include <linux/serial.h>
 #include <linux/io.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 #include <asm/rtc.h>
 #define INTC_ICR1       0xA4140010UL
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh4-202.c b/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
index dab193293f20..7371abf64f80 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
@@ -10,7 +10,7 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 static struct plat_sci_port sci_platform_data[] = {
        {
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7750.c b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
index ae3603aca615..ec884039b914 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7750.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
@@ -12,7 +12,7 @@
 #include <linux/init.h>
 #include <linux/serial.h>
 #include <linux/io.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 static struct resource rtc_resources[] = {
        [0] = {
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7760.c b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
index 85f81579b97e..254c5c55ab91 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7760.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
@@ -10,7 +10,7 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 enum {
        UNUSED = 0,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c
index c0a3f079dfdc..6d4f50cd4aaf 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c
@@ -10,7 +10,7 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 static struct plat_sci_port sci_platform_data[] = {
        {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
index 967e8b69a2f8..f26b5cdad0d1 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
@@ -12,7 +12,7 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 static struct plat_sci_port sci_platform_data[] = {
        {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index 73c778d40d13..b98b4bc93ec9 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -10,9 +10,9 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
+#include <linux/serial_sci.h>
 #include <linux/mm.h>
 #include <asm/mmzone.h>
-#include <asm/sci.h>
 static struct resource usbf_resources[] = {
        [0] = {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c
index eabd5386812d..07c988dc9de6 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c
@@ -12,7 +12,7 @@
 #include <linux/init.h>
 #include <linux/serial.h>
 #include <linux/io.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 static struct resource rtc_resources[] = {
        [0] = {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7770.c b/arch/sh/kernel/cpu/sh4a/setup-sh7770.c
index 32f4f59a837b..b9cec48b1808 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7770.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7770.c
@@ -10,7 +10,7 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 static struct plat_sci_port sci_platform_data[] = {
        {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
index 293004b526ff..18dbbe23fea1 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
@@ -11,7 +11,7 @@
 #include <linux/init.h>
 #include <linux/serial.h>
 #include <linux/io.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 static struct resource rtc_resources[] = {
        [0] = {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
index 74b60e96cdf4..621e7329ec63 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
@@ -10,10 +10,10 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
+#include <linux/serial_sci.h>
 #include <linux/io.h>
 #include <linux/mm.h>
 #include <asm/mmzone.h>
-#include <asm/sci.h>
 static struct plat_sci_port sci_platform_data[] = {
        {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-shx3.c b/arch/sh/kernel/cpu/sh4a/setup-shx3.c
index 4dc958b6b314..bd35f32534b9 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-shx3.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-shx3.c
@@ -10,9 +10,9 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
+#include <linux/serial_sci.h>
 #include <linux/io.h>
 #include <asm/mmzone.h>
-#include <asm/sci.h>
 static struct plat_sci_port sci_platform_data[] = {
        {
diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c
index 313d1620ae8e..59e9344e7a0d 100644
--- a/arch/sparc/kernel/led.c
+++ b/arch/sparc/kernel/led.c
@@ -3,6 +3,9 @@
 #include <linux/init.h>
 #include <linux/proc_fs.h>
 #include <linux/string.h>
+#include <linux/jiffies.h>
+#include <linux/timer.h>
+#include <linux/uaccess.h>
 #include <asm/auxio.h>
diff --git a/arch/sparc64/kernel/ds.c b/arch/sparc64/kernel/ds.c
index eeb5a2fc788d..bd76482077be 100644
--- a/arch/sparc64/kernel/ds.c
+++ b/arch/sparc64/kernel/ds.c
@@ -525,10 +525,10 @@ static void dr_cpu_mark(struct ds_data *resp, int cpu, int ncpus,
        }
 }
-static int dr_cpu_configure(struct ds_info *dp,
+static int __cpuinit dr_cpu_configure(struct ds_info *dp,
-                            struct ds_cap_state *cp,
+                                      struct ds_cap_state *cp,
-                            u64 req_num,
+                                      u64 req_num,
-                            cpumask_t *mask)
+                                      cpumask_t *mask)
 {
        struct ds_data *resp;
        int resp_len, ncpus, cpu;
@@ -623,9 +623,9 @@ static int dr_cpu_unconfigure(struct ds_info *dp,
        return 0;
 }
-static void dr_cpu_data(struct ds_info *dp,
+static void __cpuinit dr_cpu_data(struct ds_info *dp,
-                        struct ds_cap_state *cp,
+                                  struct ds_cap_state *cp,
-                        void *buf, int len)
+                                  void *buf, int len)
 {
        struct ds_data *data = buf;
        struct dr_cpu_tag *tag = (struct dr_cpu_tag *) (data + 1);
diff --git a/arch/sparc64/kernel/mdesc.c b/arch/sparc64/kernel/mdesc.c
index 856659bb1311..910083589569 100644
--- a/arch/sparc64/kernel/mdesc.c
+++ b/arch/sparc64/kernel/mdesc.c
@@ -758,7 +758,7 @@ static void __devinit get_mondo_data(struct mdesc_handle *hp, u64 mp,
        get_one_mondo_bits(val, &tb->nonresum_qmask, 2);
 }
-void __devinit mdesc_fill_in_cpu_data(cpumask_t mask)
+void __cpuinit mdesc_fill_in_cpu_data(cpumask_t mask)
 {
        struct mdesc_handle *hp = mdesc_grab();
        u64 mp;
diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c
index e2027f27c0fe..2650d0d33ac2 100644
--- a/arch/sparc64/mm/fault.c
+++ b/arch/sparc64/mm/fault.c
@@ -244,16 +244,8 @@ static void do_kernel_fault(struct pt_regs *regs, int si_code, int fault_code,
        if (regs->tstate & TSTATE_PRIV) {
                const struct exception_table_entry *entry;
-                if (asi == ASI_P && (insn & 0xc0800000) == 0xc0800000) {
+                entry = search_exception_tables(regs->tpc);
-                        if (insn & 0x2000)
+                if (entry) {
-                                asi = (regs->tstate >> 24);
-                        else
-                                asi = (insn >> 5);
-                }
-        
-                /* Look in asi.h: All _S asis have LS bit set */
-                if ((asi & 0x1) &&
-                    (entry = search_exception_tables(regs->tpc))) {
                        regs->tpc = entry->fixup;
                        regs->tnpc = regs->tpc + 4;
                        return;
@@ -294,7 +286,7 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
                unsigned long tpc = regs->tpc;
                /* Sanity check the PC. */
-                if ((tpc >= KERNBASE && tpc < (unsigned long) _etext) ||
+                if ((tpc >= KERNBASE && tpc < (unsigned long) __init_end) ||
                    (tpc >= MODULES_VADDR && tpc < MODULES_END)) {
                        /* Valid, no problems... */
                } else {
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index 9e6bca266d88..b5c30416fdac 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -1010,7 +1010,8 @@ static struct linux_prom64_registers pall[MAX_BANKS] __initdata;
 static int pall_ents __initdata;
 #ifdef CONFIG_DEBUG_PAGEALLOC
-static unsigned long kernel_map_range(unsigned long pstart, unsigned long pend, pgprot_t prot)
+static unsigned long __ref kernel_map_range(unsigned long pstart,
+                                            unsigned long pend, pgprot_t prot)
 {
        unsigned long vstart = PAGE_OFFSET + pstart;
        unsigned long vend = PAGE_OFFSET + pend;
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index fc50d2f959d1..e8cb9ff183e9 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -128,8 +128,6 @@ void *get_current(void)
        return current;
 }
-extern void schedule_tail(struct task_struct *prev);
 /*
 * This is called magically, by its address being stuffed in a jmp_buf
 * and being longjmp-d to.
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index e09a6b73a1aa..6d50064db182 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -377,6 +377,19 @@ config X86_OOSTORE
        def_bool y
        depends on (MWINCHIP3D || MWINCHIP2 || MWINCHIPC6) && MTRR
+#
+# P6_NOPs are a relatively minor optimization that require a family >=
+# 6 processor, except that it is broken on certain VIA chips.
+# Furthermore, AMD chips prefer a totally different sequence of NOPs
+# (which work on all CPUs).  As a result, disallow these if we're
+# compiling X86_GENERIC but not X86_64 (these NOPs do work on all
+# x86-64 capable chips); the list of processors in the right-hand clause
+# are the cores that benefit from this optimization.
+#
+config X86_P6_NOP
+        def_bool y
+        depends on (X86_64 || !X86_GENERIC) && (M686 || MPENTIUMII || MPENTIUMIII || MPENTIUMM || MCORE2 || PENTIUM4)
 config X86_TSC
        def_bool y
        depends on ((MWINCHIP3D || MWINCHIP2 || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MVIAC7 || MGEODEGX1 || MGEODE_LX || MCORE2) && !X86_NUMAQ) || X86_64
@@ -390,6 +403,7 @@ config X86_CMOV
 config X86_MINIMUM_CPU_FAMILY
        int
        default "64" if X86_64
+        default "6" if X86_32 && X86_P6_NOP
        default "4" if X86_32 && (X86_XADD || X86_CMPXCHG || X86_BSWAP || X86_WP_WORKS_OK)
        default "3"
diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c
index 378353956b5d..e77d89f9e8aa 100644
--- a/arch/x86/boot/memory.c
+++ b/arch/x86/boot/memory.c
@@ -37,6 +37,12 @@ static int detect_memory_e820(void)
                      "=m" (*desc)
                    : "D" (desc), "d" (SMAP), "a" (0xe820));
+                /* BIOSes which terminate the chain with CF = 1 as opposed
+                   to %ebx = 0 don't always report the SMAP signature on
+                   the final, failing, probe. */
+                if (err)
+                        break;
                /* Some BIOSes stop returning SMAP in the middle of
                   the search loop.  We don't know exactly how the BIOS
                   screwed up the map at that point, we might have a
@@ -47,9 +53,6 @@ static int detect_memory_e820(void)
                        break;
                }
-                if (err)
-                        break;
                count++;
                desc++;
        } while (next && count < E820MAX);
diff --git a/arch/x86/kernel/asm-offsets_32.c b/arch/x86/kernel/asm-offsets_32.c
index a33d53017997..8ea040124f7d 100644
--- a/arch/x86/kernel/asm-offsets_32.c
+++ b/arch/x86/kernel/asm-offsets_32.c
@@ -128,13 +128,11 @@ void foo(void)
        OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending);
 #endif
-#ifdef CONFIG_LGUEST_GUEST
+#if defined(CONFIG_LGUEST) || defined(CONFIG_LGUEST_GUEST) || defined(CONFIG_LGUEST_MODULE)
        BLANK();
        OFFSET(LGUEST_DATA_irq_enabled, lguest_data, irq_enabled);
        OFFSET(LGUEST_DATA_pgdir, lguest_data, pgdir);
-#endif
-#ifdef CONFIG_LGUEST
        BLANK();
        OFFSET(LGUEST_PAGES_host_gdt_desc, lguest_pages, state.host_gdt_desc);
        OFFSET(LGUEST_PAGES_host_idt_desc, lguest_pages, state.host_idt_desc);
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index f86a3c4a2669..a38aafaefc23 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -504,7 +504,7 @@ void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
        /* Clear all flags overriden by options */
        for (i = 0; i < NCAPINTS; i++)
-                c->x86_capability[i] ^= cleared_cpu_caps[i];
+                c->x86_capability[i] &= ~cleared_cpu_caps[i];
        /* Init Machine Check Exception if available. */
        mcheck_init(c);
diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index b6e136f23d3d..be83336fddba 100644
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -43,6 +43,7 @@
 #include <asm/uaccess.h>
 #include <asm/processor.h>
 #include <asm/msr.h>
+#include <asm/kvm_para.h>
 #include "mtrr.h"
 u32 num_var_ranges = 0;
@@ -649,6 +650,7 @@ static __init int amd_special_default_mtrr(void)
 /**
 * mtrr_trim_uncached_memory - trim RAM not covered by MTRRs
+ * @end_pfn: ending page frame number
 *
 * Some buggy BIOSes don't setup the MTRRs properly for systems with certain
 * memory configurations.  This routine checks that the highest MTRR matches
@@ -688,8 +690,11 @@ int __init mtrr_trim_uncached_memory(unsigned long end_pfn)
        /* kvm/qemu doesn't have mtrr set right, don't trim them all */
        if (!highest_pfn) {
-                printk(KERN_WARNING "WARNING: strange, CPU MTRRs all blank?\n");
+                if (!kvm_para_available()) {
-                WARN_ON(1);
+                        printk(KERN_WARNING
+                                "WARNING: strange, CPU MTRRs all blank?\n");
+                        WARN_ON(1);
+                }
                return 0;
        }
diff --git a/arch/x86/kernel/cpu/transmeta.c b/arch/x86/kernel/cpu/transmeta.c
index 200fb3f9ebfb..e8b422c1c512 100644
--- a/arch/x86/kernel/cpu/transmeta.c
+++ b/arch/x86/kernel/cpu/transmeta.c
@@ -76,13 +76,6 @@ static void __cpuinit init_transmeta(struct cpuinfo_x86 *c)
        /* All Transmeta CPUs have a constant TSC */
        set_bit(X86_FEATURE_CONSTANT_TSC, c->x86_capability);
        
-        /* If we can run i686 user-space code, call us an i686 */
-#define USER686 ((1 << X86_FEATURE_TSC)|\
-                 (1 << X86_FEATURE_CX8)|\
-                 (1 << X86_FEATURE_CMOV))
-        if (c->x86 == 5 && (c->x86_capability[0] & USER686) == USER686)
-                c->x86 = 6;
 #ifdef CONFIG_SYSCTL
        /* randomize_va_space slows us down enormously;
           it probably triggers retranslation of x86->native bytecode */
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 2ad9a1bc6a73..c20c9e7e08dd 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -453,6 +453,7 @@ ENTRY(stub_execve)
        CFI_REGISTER rip, r11
        SAVE_REST
        FIXUP_TOP_OF_STACK %r11
+        movq %rsp, %rcx
        call sys_execve
        RESTORE_TOP_OF_STACK %r11
        movq %rax,RAX(%rsp)
@@ -1036,15 +1037,16 @@ ENDPROC(child_rip)
 *      rdi: name, rsi: argv, rdx: envp
 *
 * We want to fallback into:
- *      extern long sys_execve(char *name, char **argv,char **envp, struct pt_regs regs)
+ *      extern long sys_execve(char *name, char **argv,char **envp, struct pt_regs *regs)
 *
 * do_sys_execve asm fallback arguments:
- *      rdi: name, rsi: argv, rdx: envp, fake frame on the stack
+ *      rdi: name, rsi: argv, rdx: envp, rcx: fake frame on the stack
 */
 ENTRY(kernel_execve)
        CFI_STARTPROC
        FAKE_STACK_FRAME $0
        SAVE_ALL        
+        movq %rsp,%rcx
        call sys_execve
        movq %rax, RAX(%rsp)    
        RESTORE_REST
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 25eb98540a41..fd8ca53943a8 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -606,7 +606,7 @@ ENTRY(_stext)
 .section ".bss.page_aligned","wa"
        .align PAGE_SIZE_asm
 #ifdef CONFIG_X86_PAE
-ENTRY(swapper_pg_pmd)
+swapper_pg_pmd:
        .fill 1024*KPMDS,4,0
 #else
 ENTRY(swapper_pg_dir)
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index eb415043a929..a007454133a3 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -379,18 +379,24 @@ NEXT_PAGE(level2_ident_pgt)
        /* Since I easily can, map the first 1G.
         * Don't set NX because code runs from these pages.
         */
-        PMDS(0x0000000000000000, __PAGE_KERNEL_LARGE_EXEC, PTRS_PER_PMD)
+        PMDS(0, __PAGE_KERNEL_LARGE_EXEC, PTRS_PER_PMD)
 NEXT_PAGE(level2_kernel_pgt)
-        /* 40MB kernel mapping. The kernel code cannot be bigger than that.
+        /*
-           When you change this change KERNEL_TEXT_SIZE in page.h too. */
+         * 128 MB kernel mapping. We spend a full page on this pagetable
-        /* (2^48-(2*1024*1024*1024)-((2^39)*511)-((2^30)*510)) = 0 */
+         * anyway.
-        PMDS(0x0000000000000000, __PAGE_KERNEL_LARGE_EXEC|_PAGE_GLOBAL, KERNEL_TEXT_SIZE/PMD_SIZE)
+         *
-        /* Module mapping starts here */
+         * The kernel code+data+bss must not be bigger than that.
-        .fill   (PTRS_PER_PMD - (KERNEL_TEXT_SIZE/PMD_SIZE)),8,0
+         *
+         * (NOTE: at +128MB starts the module area, see MODULES_VADDR.
+         *  If you want to increase this then increase MODULES_VADDR
+         *  too.)
+         */
+        PMDS(0, __PAGE_KERNEL_LARGE_EXEC|_PAGE_GLOBAL,
+                KERNEL_IMAGE_SIZE/PMD_SIZE)
 NEXT_PAGE(level2_spare_pgt)
-        .fill   512,8,0
+        .fill   512, 8, 0
 #undef PMDS
 #undef NEXT_PAGE
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 429d084e014d..235fd6c77504 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -368,8 +368,8 @@ static int hpet_clocksource_register(void)
        return 0;
 }
-/*
+/**
- * Try to setup the HPET timer
+ * hpet_enable - Try to setup the HPET timer. Returns 1 on success.
 */
 int __init hpet_enable(void)
 {
diff --git a/arch/x86/kernel/init_task.c b/arch/x86/kernel/init_task.c
index 5b3ce7934363..3d01e47777db 100644
--- a/arch/x86/kernel/init_task.c
+++ b/arch/x86/kernel/init_task.c
@@ -15,6 +15,7 @@ static struct files_struct init_files = INIT_FILES;
 static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
 static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
 struct mm_struct init_mm = INIT_MM(init_mm);
+EXPORT_UNUSED_SYMBOL(init_mm); /* will be removed in 2.6.26 */
 /*
 * Initial thread structure.
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index a7d50a547dc2..be3c7a299f02 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -603,11 +603,13 @@ __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p,
        }
 #endif
+#ifdef X86_BTS
        if (test_tsk_thread_flag(prev_p, TIF_BTS_TRACE_TS))
                ptrace_bts_take_timestamp(prev_p, BTS_TASK_DEPARTS);
        if (test_tsk_thread_flag(next_p, TIF_BTS_TRACE_TS))
                ptrace_bts_take_timestamp(next_p, BTS_TASK_ARRIVES);
+#endif
        if (!test_tsk_thread_flag(next_p, TIF_IO_BITMAP)) {
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index b0cc8f0136d8..3baf9b9f4c87 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -604,11 +604,13 @@ static inline void __switch_to_xtra(struct task_struct *prev_p,
                memset(tss->io_bitmap, 0xff, prev->io_bitmap_max);
        }
+#ifdef X86_BTS
        if (test_tsk_thread_flag(prev_p, TIF_BTS_TRACE_TS))
                ptrace_bts_take_timestamp(prev_p, BTS_TASK_DEPARTS);
        if (test_tsk_thread_flag(next_p, TIF_BTS_TRACE_TS))
                ptrace_bts_take_timestamp(next_p, BTS_TASK_ARRIVES);
+#endif
 }
 /*
@@ -730,16 +732,16 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
 */
 asmlinkage
 long sys_execve(char __user *name, char __user * __user *argv,
-                char __user * __user *envp, struct pt_regs regs)
+                char __user * __user *envp, struct pt_regs *regs)
 {
        long error;
        char * filename;
        filename = getname(name);
        error = PTR_ERR(filename);
-        if (IS_ERR(filename)) 
+        if (IS_ERR(filename))
                return error;
-        error = do_execve(filename, argv, envp, &regs); 
+        error = do_execve(filename, argv, envp, regs);
        putname(filename);
        return error;
 }
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index d862e396b099..f41fdc98efb1 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -544,6 +544,8 @@ static int ptrace_set_debugreg(struct task_struct *child,
        return 0;
 }
+#ifdef X86_BTS
 static int ptrace_bts_get_size(struct task_struct *child)
 {
        if (!child->thread.ds_area_msr)
@@ -826,6 +828,7 @@ void ptrace_bts_take_timestamp(struct task_struct *tsk,
        ptrace_bts_write_record(tsk, &rec);
 }
+#endif /* X86_BTS */
 /*
 * Called by kernel/ptrace.c when detaching..
@@ -839,7 +842,9 @@ void ptrace_disable(struct task_struct *child)
        clear_tsk_thread_flag(child, TIF_SYSCALL_EMU);
 #endif
        if (child->thread.ds_area_msr) {
+#ifdef X86_BTS
                ptrace_bts_realloc(child, 0, 0);
+#endif
                child->thread.debugctlmsr &= ~ds_debugctl_mask();
                if (!child->thread.debugctlmsr)
                        clear_tsk_thread_flag(child, TIF_DEBUGCTLMSR);
@@ -961,6 +966,10 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                break;
 #endif
+        /*
+         * These bits need more cooking - not enabled yet:
+         */
+#ifdef X86_BTS
        case PTRACE_BTS_CONFIG:
                ret = ptrace_bts_config
                        (child, data, (struct ptrace_bts_config __user *)addr);
@@ -988,6 +997,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                ret = ptrace_bts_drain
                        (child, data, (struct bts_struct __user *) addr);
                break;
+#endif
        default:
                ret = ptrace_request(child, request, addr, data);
@@ -1226,12 +1236,14 @@ asmlinkage long sys32_ptrace(long request, u32 pid, u32 addr, u32 data)
        case PTRACE_SETOPTIONS:
        case PTRACE_SET_THREAD_AREA:
        case PTRACE_GET_THREAD_AREA:
+#ifdef X86_BTS
        case PTRACE_BTS_CONFIG:
        case PTRACE_BTS_STATUS:
        case PTRACE_BTS_SIZE:
        case PTRACE_BTS_GET:
        case PTRACE_BTS_CLEAR:
        case PTRACE_BTS_DRAIN:
+#endif
                return sys_ptrace(request, pid, addr, data);
        default:
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index 6fd804f07821..7637dc91c79b 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -1021,7 +1021,7 @@ void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
        /* Clear all flags overriden by options */
        for (i = 0; i < NCAPINTS; i++)
-                c->x86_capability[i] ^= cleared_cpu_caps[i];
+                c->x86_capability[i] &= ~cleared_cpu_caps[i];
 #ifdef CONFIG_X86_MCE
        mcheck_init(c);
diff --git a/arch/x86/kernel/smpboot_64.c b/arch/x86/kernel/smpboot_64.c
index d53bd6fcb428..0880f2c388a9 100644
--- a/arch/x86/kernel/smpboot_64.c
+++ b/arch/x86/kernel/smpboot_64.c
@@ -554,10 +554,10 @@ static int __cpuinit do_boot_cpu(int cpu, int apicid)
        int timeout;
        unsigned long start_rip;
        struct create_idle c_idle = {
-                .work = __WORK_INITIALIZER(c_idle.work, do_fork_idle),
                .cpu = cpu,
                .done = COMPLETION_INITIALIZER_ONSTACK(c_idle.done),
        };
+        INIT_WORK(&c_idle.work, do_fork_idle);
        /* allocate memory for gdts of secondary cpus. Hotplug is considered */
        if (!cpu_gdt_descr[cpu].address &&
diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c
index 02f0f61f5b11..c28c342c162f 100644
--- a/arch/x86/kernel/stacktrace.c
+++ b/arch/x86/kernel/stacktrace.c
@@ -25,6 +25,8 @@ static int save_stack_stack(void *data, char *name)
 static void save_stack_address(void *data, unsigned long addr, int reliable)
 {
        struct stack_trace *trace = data;
+        if (!reliable)
+                return;
        if (trace->skip > 0) {
                trace->skip--;
                return;
@@ -37,6 +39,8 @@ static void
 save_stack_address_nosched(void *data, unsigned long addr, int reliable)
 {
        struct stack_trace *trace = (struct stack_trace *)data;
+        if (!reliable)
+                return;
        if (in_sched_functions(addr))
                return;
        if (trace->skip > 0) {
diff --git a/arch/x86/kernel/tls.c b/arch/x86/kernel/tls.c
index 6dfd4e76661a..022bcaa3b42e 100644
--- a/arch/x86/kernel/tls.c
+++ b/arch/x86/kernel/tls.c
@@ -91,7 +91,9 @@ int do_set_thread_area(struct task_struct *p, int idx,
 asmlinkage int sys_set_thread_area(struct user_desc __user *u_info)
 {
-        return do_set_thread_area(current, -1, u_info, 1);
+        int ret = do_set_thread_area(current, -1, u_info, 1);
+        prevent_tail_call(ret);
+        return ret;
 }
@@ -139,7 +141,9 @@ int do_get_thread_area(struct task_struct *p, int idx,
 asmlinkage int sys_get_thread_area(struct user_desc __user *u_info)
 {
-        return do_get_thread_area(current, -1, u_info);
+        int ret = do_get_thread_area(current, -1, u_info);
+        prevent_tail_call(ret);
+        return ret;
 }
 int regset_tls_active(struct task_struct *target,
diff --git a/arch/x86/kernel/tsc_32.c b/arch/x86/kernel/tsc_32.c
index 43517e324be8..f14cfd9d1f94 100644
--- a/arch/x86/kernel/tsc_32.c
+++ b/arch/x86/kernel/tsc_32.c
@@ -28,7 +28,8 @@ EXPORT_SYMBOL_GPL(tsc_khz);
 static int __init tsc_setup(char *str)
 {
        printk(KERN_WARNING "notsc: Kernel compiled with CONFIG_X86_TSC, "
-                                "cannot disable TSC.\n");
+                                "cannot disable TSC completely.\n");
+        mark_tsc_unstable("user disabled TSC");
        return 1;
 }
 #else
diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
index 3f8242774580..edff4c985485 100644
--- a/arch/x86/kernel/vsyscall_64.c
+++ b/arch/x86/kernel/vsyscall_64.c
@@ -44,11 +44,6 @@
 #define __vsyscall(nr) __attribute__ ((unused,__section__(".vsyscall_" #nr)))
 #define __syscall_clobber "r11","cx","memory"
-#define __pa_vsymbol(x)                 \
-        ({unsigned long v;              \
-        extern char __vsyscall_0;       \
-          asm("" : "=r" (v) : "0" (x)); \
-          ((v - VSYSCALL_START) + __pa_symbol(&__vsyscall_0)); })
 /*
 * vsyscall_gtod_data contains data that is :
@@ -102,7 +97,7 @@ static __always_inline void do_get_tz(struct timezone * tz)
 static __always_inline int gettimeofday(struct timeval *tv, struct timezone *tz)
 {
        int ret;
-        asm volatile("vsysc2: syscall"
+        asm volatile("syscall"
                : "=a" (ret)
                : "0" (__NR_gettimeofday),"D" (tv),"S" (tz)
                : __syscall_clobber );
@@ -112,7 +107,7 @@ static __always_inline int gettimeofday(struct timeval *tv, struct timezone *tz)
 static __always_inline long time_syscall(long *t)
 {
        long secs;
-        asm volatile("vsysc1: syscall"
+        asm volatile("syscall"
                : "=a" (secs)
                : "0" (__NR_time),"D" (t) : __syscall_clobber);
        return secs;
@@ -228,42 +223,11 @@ long __vsyscall(3) venosys_1(void)
 #ifdef CONFIG_SYSCTL
-#define SYSCALL 0x050f
+static int
-#define NOP2    0x9090
+vsyscall_sysctl_change(ctl_table *ctl, int write, struct file * filp,
+                       void __user *buffer, size_t *lenp, loff_t *ppos)
-/*
- * NOP out syscall in vsyscall page when not needed.
- */
-static int vsyscall_sysctl_change(ctl_table *ctl, int write, struct file * filp,
-                        void __user *buffer, size_t *lenp, loff_t *ppos)
 {
-        extern u16 vsysc1, vsysc2;
+        return proc_dointvec(ctl, write, filp, buffer, lenp, ppos);
-        u16 __iomem *map1;
-        u16 __iomem *map2;
-        int ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos);
-        if (!write)
-                return ret;
-        /* gcc has some trouble with __va(__pa()), so just do it this
-           way. */
-        map1 = ioremap(__pa_vsymbol(&vsysc1), 2);
-        if (!map1)
-                return -ENOMEM;
-        map2 = ioremap(__pa_vsymbol(&vsysc2), 2);
-        if (!map2) {
-                ret = -ENOMEM;
-                goto out;
-        }
-        if (!vsyscall_gtod_data.sysctl_enabled) {
-                writew(SYSCALL, map1);
-                writew(SYSCALL, map2);
-        } else {
-                writew(NOP2, map1);
-                writew(NOP2, map2);
-        }
-        iounmap(map2);
-out:
-        iounmap(map1);
-        return ret;
 }
 static ctl_table kernel_table2[] = {
@@ -279,7 +243,6 @@ static ctl_table kernel_root_table2[] = {
          .child = kernel_table2 },
        {}
 };
 #endif
 /* Assume __initcall executes before all user space. Hopefully kmod
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 5afdde4895dc..cccb38a59653 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -57,6 +57,7 @@
 #include <linux/lguest_launcher.h>
 #include <linux/virtio_console.h>
 #include <linux/pm.h>
+#include <asm/lguest.h>
 #include <asm/paravirt.h>
 #include <asm/param.h>
 #include <asm/page.h>
@@ -75,15 +76,6 @@
 * behaving in simplified but equivalent ways.  In particular, the Guest is the
 * same kernel as the Host (or at least, built from the same source code). :*/
-/* Declarations for definitions in lguest_guest.S */
-extern char lguest_noirq_start[], lguest_noirq_end[];
-extern const char lgstart_cli[], lgend_cli[];
-extern const char lgstart_sti[], lgend_sti[];
-extern const char lgstart_popf[], lgend_popf[];
-extern const char lgstart_pushf[], lgend_pushf[];
-extern const char lgstart_iret[], lgend_iret[];
-extern void lguest_iret(void);
 struct lguest_data lguest_data = {
        .hcall_status = { [0 ... LHCALL_RING_SIZE-1] = 0xFF },
        .noirq_start = (u32)lguest_noirq_start,
@@ -489,7 +481,7 @@ static void lguest_set_pmd(pmd_t *pmdp, pmd_t pmdval)
 {
        *pmdp = pmdval;
        lazy_hcall(LHCALL_SET_PMD, __pa(pmdp)&PAGE_MASK,
-                   (__pa(pmdp)&(PAGE_SIZE-1))/4, 0);
+                   (__pa(pmdp)&(PAGE_SIZE-1)), 0);
 }
 /* There are a couple of legacy places where the kernel sets a PTE, but we
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index bb652f5a93fb..a02a14f0f324 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -172,8 +172,9 @@ set_pte_phys(unsigned long vaddr, unsigned long phys, pgprot_t prot)
 }
 /*
- * The head.S code sets up the kernel high mapping from:
+ * The head.S code sets up the kernel high mapping:
- * __START_KERNEL_map to __START_KERNEL_map + KERNEL_TEXT_SIZE
+ *
+ *   from __START_KERNEL_map to __START_KERNEL_map + size (== _end-_text)
 *
 * phys_addr holds the negative offset to the kernel, which is added
 * to the compile time generated pmds. This results in invalid pmds up
@@ -515,14 +516,6 @@ void __init mem_init(void)
        /* clear_bss() already clear the empty_zero_page */
-        /* temporary debugging - double check it's true: */
-        {
-                int i;
-                for (i = 0; i < 1024; i++)
-                        WARN_ON_ONCE(empty_zero_page[i]);
-        }
        reservedpages = 0;
        /* this will put all low memory onto the freelists */
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 882328efc3db..ac3c959e271d 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -162,7 +162,7 @@ static void __iomem *__ioremap(unsigned long phys_addr, unsigned long size,
        area->phys_addr = phys_addr;
        vaddr = (unsigned long) area->addr;
        if (ioremap_page_range(vaddr, vaddr + size, phys_addr, prot)) {
-                remove_vm_area((void *)(vaddr & PAGE_MASK));
+                free_vm_area(area);
                return NULL;
        }
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 464d8fc21ce6..7049294fb469 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -26,6 +26,7 @@ struct cpa_data {
        pgprot_t        mask_set;
        pgprot_t        mask_clr;
        int             numpages;
+        int             processed;
        int             flushtlb;
        unsigned long   pfn;
 };
@@ -44,6 +45,12 @@ static inline unsigned long highmap_end_pfn(void)
 #endif
+#ifdef CONFIG_DEBUG_PAGEALLOC
+# define debug_pagealloc 1
+#else
+# define debug_pagealloc 0
+#endif
 static inline int
 within(unsigned long addr, unsigned long start, unsigned long end)
 {
@@ -284,8 +291,8 @@ try_preserve_large_page(pte_t *kpte, unsigned long address,
         */
        nextpage_addr = (address + psize) & pmask;
        numpages = (nextpage_addr - address) >> PAGE_SHIFT;
-        if (numpages < cpa->numpages)
+        if (numpages < cpa->processed)
-                cpa->numpages = numpages;
+                cpa->processed = numpages;
        /*
         * We are safe now. Check whether the new pgprot is the same:
@@ -312,7 +319,7 @@ try_preserve_large_page(pte_t *kpte, unsigned long address,
         */
        addr = address + PAGE_SIZE;
        pfn++;
-        for (i = 1; i < cpa->numpages; i++, addr += PAGE_SIZE, pfn++) {
+        for (i = 1; i < cpa->processed; i++, addr += PAGE_SIZE, pfn++) {
                pgprot_t chk_prot = static_protections(new_prot, addr, pfn);
                if (pgprot_val(chk_prot) != pgprot_val(new_prot))
@@ -336,7 +343,7 @@ try_preserve_large_page(pte_t *kpte, unsigned long address,
         * that we limited the number of possible pages already to
         * the number of pages in the large page.
         */
-        if (address == (nextpage_addr - psize) && cpa->numpages == numpages) {
+        if (address == (nextpage_addr - psize) && cpa->processed == numpages) {
                /*
                 * The address is aligned and the number of pages
                 * covers the full page.
@@ -355,45 +362,48 @@ out_unlock:
 static LIST_HEAD(page_pool);
 static unsigned long pool_size, pool_pages, pool_low;
-static unsigned long pool_used, pool_failed, pool_refill;
+static unsigned long pool_used, pool_failed;
-static void cpa_fill_pool(void)
+static void cpa_fill_pool(struct page **ret)
 {
-        struct page *p;
        gfp_t gfp = GFP_KERNEL;
+        unsigned long flags;
+        struct page *p;
-        /* Do not allocate from interrupt context */
-        if (in_irq() || irqs_disabled())
-                return;
        /*
-         * Check unlocked. I does not matter when we have one more
+         * Avoid recursion (on debug-pagealloc) and also signal
-         * page in the pool. The bit lock avoids recursive pool
+         * our priority to get to these pagetables:
-         * allocations:
         */
-        if (pool_pages >= pool_size || test_and_set_bit_lock(0, &pool_refill))
+        if (current->flags & PF_MEMALLOC)
                return;
+        current->flags |= PF_MEMALLOC;
-#ifdef CONFIG_DEBUG_PAGEALLOC
        /*
-         * We could do:
+         * Allocate atomically from atomic contexts:
-         * gfp = in_atomic() ? GFP_ATOMIC : GFP_KERNEL;
-         * but this fails on !PREEMPT kernels
         */
-        gfp =  GFP_ATOMIC | __GFP_NORETRY | __GFP_NOWARN;
+        if (in_atomic() || irqs_disabled() || debug_pagealloc)
-#endif
+                gfp =  GFP_ATOMIC | __GFP_NORETRY | __GFP_NOWARN;
-        while (pool_pages < pool_size) {
+        while (pool_pages < pool_size || (ret && !*ret)) {
                p = alloc_pages(gfp, 0);
                if (!p) {
                        pool_failed++;
                        break;
                }
-                spin_lock_irq(&pgd_lock);
+                /*
+                 * If the call site needs a page right now, provide it:
+                 */
+                if (ret && !*ret) {
+                        *ret = p;
+                        continue;
+                }
+                spin_lock_irqsave(&pgd_lock, flags);
                list_add(&p->lru, &page_pool);
                pool_pages++;
-                spin_unlock_irq(&pgd_lock);
+                spin_unlock_irqrestore(&pgd_lock, flags);
        }
-        clear_bit_unlock(0, &pool_refill);
+        current->flags &= ~PF_MEMALLOC;
 }
 #define SHIFT_MB                (20 - PAGE_SHIFT)
@@ -414,11 +424,15 @@ void __init cpa_init(void)
         * GiB. Shift MiB to Gib and multiply the result by
         * POOL_PAGES_PER_GB:
         */
-        gb = ((si.totalram >> SHIFT_MB) + ROUND_MB_GB) >> SHIFT_MB_GB;
+        if (debug_pagealloc) {
-        pool_size = POOL_PAGES_PER_GB * gb;
+                gb = ((si.totalram >> SHIFT_MB) + ROUND_MB_GB) >> SHIFT_MB_GB;
+                pool_size = POOL_PAGES_PER_GB * gb;
+        } else {
+                pool_size = 1;
+        }
        pool_low = pool_size;
-        cpa_fill_pool();
+        cpa_fill_pool(NULL);
        printk(KERN_DEBUG
               "CPA: page pool initialized %lu of %lu pages preallocated\n",
               pool_pages, pool_size);
@@ -440,16 +454,20 @@ static int split_large_page(pte_t *kpte, unsigned long address)
        spin_lock_irqsave(&pgd_lock, flags);
        if (list_empty(&page_pool)) {
                spin_unlock_irqrestore(&pgd_lock, flags);
-                return -ENOMEM;
+                base = NULL;
+                cpa_fill_pool(&base);
+                if (!base)
+                        return -ENOMEM;
+                spin_lock_irqsave(&pgd_lock, flags);
+        } else {
+                base = list_first_entry(&page_pool, struct page, lru);
+                list_del(&base->lru);
+                pool_pages--;
+                if (pool_pages < pool_low)
+                        pool_low = pool_pages;
        }
-        base = list_first_entry(&page_pool, struct page, lru);
-        list_del(&base->lru);
-        pool_pages--;
-        if (pool_pages < pool_low)
-                pool_low = pool_pages;
        /*
         * Check for races, another CPU might have split this page
         * up for us already:
@@ -555,7 +573,7 @@ repeat:
                        set_pte_atomic(kpte, new_pte);
                        cpa->flushtlb = 1;
                }
-                cpa->numpages = 1;
+                cpa->processed = 1;
                return 0;
        }
@@ -566,7 +584,7 @@ repeat:
        do_split = try_preserve_large_page(kpte, address, cpa);
        /*
         * When the range fits into the existing large page,
-         * return. cp->numpages and cpa->tlbflush have been updated in
+         * return. cp->processed and cpa->tlbflush have been updated in
         * try_large_page:
         */
        if (do_split <= 0)
@@ -645,7 +663,7 @@ static int __change_page_attr_set_clr(struct cpa_data *cpa, int checkalias)
                 * Store the remaining nr of pages for the large page
                 * preservation check.
                 */
-                cpa->numpages = numpages;
+                cpa->numpages = cpa->processed = numpages;
                ret = __change_page_attr(cpa, checkalias);
                if (ret)
@@ -662,9 +680,9 @@ static int __change_page_attr_set_clr(struct cpa_data *cpa, int checkalias)
                 * CPA operation. Either a large page has been
                 * preserved or a single page update happened.
                 */
-                BUG_ON(cpa->numpages > numpages);
+                BUG_ON(cpa->processed > numpages);
-                numpages -= cpa->numpages;
+                numpages -= cpa->processed;
-                cpa->vaddr += cpa->numpages * PAGE_SIZE;
+                cpa->vaddr += cpa->processed * PAGE_SIZE;
        }
        return 0;
 }
@@ -734,7 +752,8 @@ static int change_page_attr_set_clr(unsigned long addr, int numpages,
                cpa_flush_all(cache);
 out:
-        cpa_fill_pool();
+        cpa_fill_pool(NULL);
        return ret;
 }
@@ -897,7 +916,7 @@ void kernel_map_pages(struct page *page, int numpages, int enable)
         * Try to refill the page pool here. We can do this only after
         * the tlb flush.
         */
-        cpa_fill_pool();
+        cpa_fill_pool(NULL);
 }
 #ifdef CONFIG_HIBERNATION
diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile
index f385a4b4a484..0a8f4742ef51 100644
--- a/arch/x86/vdso/Makefile
+++ b/arch/x86/vdso/Makefile
@@ -50,7 +50,9 @@ obj-$(VDSO64-y)			+= vdso-syms.lds
 sed-vdsosym := -e 's/^00*/0/' \
        -e 's/^\([0-9a-fA-F]*\) . \(VDSO[a-zA-Z0-9_]*\)$$/\2 = 0x\1;/p'
 quiet_cmd_vdsosym = VDSOSYM $@
-      cmd_vdsosym = $(NM) $< | sed -n $(sed-vdsosym) | LC_ALL=C sort > $@
+define cmd_vdsosym
+        $(NM) $< | LC_ALL=C sed -n $(sed-vdsosym) | LC_ALL=C sort > $@
+endef
 $(obj)/%-syms.lds: $(obj)/%.so.dbg FORCE
        $(call if_changed,vdsosym)
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 49e5358f481a..8b9ee27805fd 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -153,6 +153,7 @@ static void xen_cpuid(unsigned int *ax, unsigned int *bx,
        if (*ax == 1)
                maskedx = ~((1 << X86_FEATURE_APIC) |  /* disable APIC */
                            (1 << X86_FEATURE_ACPI) |  /* disable ACPI */
+                            (1 << X86_FEATURE_SEP)  |  /* disable SEP */
                            (1 << X86_FEATURE_ACC));   /* thermal monitoring */
        asm(XEN_EMULATE_PREFIX "cpuid"