diff options
Diffstat (limited to 'arch')
34 files changed, 237 insertions, 99 deletions
diff --git a/arch/avr32/boards/favr-32/flash.c b/arch/avr32/boards/favr-32/flash.c index 5f139b7cb5f..604bbd5e41d 100644 --- a/arch/avr32/boards/favr-32/flash.c +++ b/arch/avr32/boards/favr-32/flash.c @@ -13,7 +13,7 @@ #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> -#include <asm/arch/smc.h> +#include <mach/smc.h> static struct smc_timing flash_timing __initdata = { .ncs_read_setup = 0, diff --git a/arch/avr32/boards/favr-32/setup.c b/arch/avr32/boards/favr-32/setup.c index 7538f3d2b9e..1ee4faf0742 100644 --- a/arch/avr32/boards/favr-32/setup.c +++ b/arch/avr32/boards/favr-32/setup.c @@ -25,10 +25,10 @@ #include <asm/setup.h> -#include <asm/arch/at32ap700x.h> -#include <asm/arch/init.h> -#include <asm/arch/board.h> -#include <asm/arch/portmux.h> +#include <mach/at32ap700x.h> +#include <mach/init.h> +#include <mach/board.h> +#include <mach/portmux.h> /* Oscillator frequencies. These are board-specific */ unsigned long at32_board_osc_rates[3] = { diff --git a/arch/avr32/boot/images/Makefile b/arch/avr32/boot/images/Makefile index 219720a47bf..1848bf0d7f6 100644 --- a/arch/avr32/boot/images/Makefile +++ b/arch/avr32/boot/images/Makefile @@ -10,7 +10,7 @@ MKIMAGE := $(srctree)/scripts/mkuboot.sh extra-y := vmlinux.bin vmlinux.gz -OBJCOPYFLAGS_vmlinux.bin := -O binary +OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note.gnu.build-id $(obj)/vmlinux.bin: vmlinux FORCE $(call if_changed,objcopy) diff --git a/arch/avr32/configs/atstk1006_defconfig b/arch/avr32/configs/atstk1006_defconfig index 8b6e54c9946..6c45a3b77aa 100644 --- a/arch/avr32/configs/atstk1006_defconfig +++ b/arch/avr32/configs/atstk1006_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.27-rc1 -# Tue Aug 5 15:40:26 2008 +# Linux kernel version: 2.6.28-rc8 +# Thu Dec 18 11:22:23 2008 # CONFIG_AVR32=y CONFIG_GENERIC_GPIO=y @@ -67,6 +67,7 @@ CONFIG_SIGNALFD=y CONFIG_TIMERFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y +CONFIG_AIO=y CONFIG_VM_EVENT_COUNTERS=y CONFIG_SLUB_DEBUG=y # CONFIG_SLAB is not set @@ -77,15 +78,8 @@ CONFIG_PROFILING=y CONFIG_OPROFILE=m CONFIG_HAVE_OPROFILE=y CONFIG_KPROBES=y -# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set -# CONFIG_HAVE_IOREMAP_PROT is not set CONFIG_HAVE_KPROBES=y -# CONFIG_HAVE_KRETPROBES is not set -# CONFIG_HAVE_ARCH_TRACEHOOK is not set -# CONFIG_HAVE_DMA_ATTRS is not set -# CONFIG_USE_GENERIC_SMP_HELPERS is not set CONFIG_HAVE_CLK=y -CONFIG_PROC_PAGE_MONITOR=y # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set CONFIG_SLABINFO=y CONFIG_RT_MUTEXES=y @@ -118,6 +112,7 @@ CONFIG_DEFAULT_CFQ=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="cfq" CONFIG_CLASSIC_RCU=y +CONFIG_FREEZER=y # # System Type and features @@ -134,6 +129,8 @@ CONFIG_CPU_AT32AP700X=y CONFIG_CPU_AT32AP7000=y CONFIG_BOARD_ATSTK1000=y # CONFIG_BOARD_ATNGW100 is not set +# CONFIG_BOARD_FAVR_32 is not set +# CONFIG_BOARD_MIMC200 is not set # CONFIG_BOARD_ATSTK1002 is not set # CONFIG_BOARD_ATSTK1003 is not set # CONFIG_BOARD_ATSTK1004 is not set @@ -171,14 +168,14 @@ CONFIG_FLATMEM_MANUAL=y # CONFIG_SPARSEMEM_MANUAL is not set CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y -# CONFIG_SPARSEMEM_STATIC is not set -# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_RESOURCES_64BIT is not set +# CONFIG_PHYS_ADDR_T_64BIT is not set CONFIG_ZONE_DMA_FLAG=0 CONFIG_NR_QUICK=2 CONFIG_VIRT_TO_BUS=y +CONFIG_UNEVICTABLE_LRU=y # CONFIG_OWNERSHIP_TRACE is not set CONFIG_NMI_DEBUGGING=y # CONFIG_HZ_100 is not set @@ -186,7 +183,7 @@ CONFIG_HZ_250=y # CONFIG_HZ_300 is not set # CONFIG_HZ_1000 is not set CONFIG_HZ=250 -# CONFIG_SCHED_HRTICK is not set +CONFIG_SCHED_HRTICK=y CONFIG_CMDLINE="" # @@ -228,6 +225,8 @@ CONFIG_CPU_FREQ_AT32AP=y # Executable file formats # CONFIG_BINFMT_ELF=y +CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y +# CONFIG_HAVE_AOUT is not set # CONFIG_BINFMT_MISC is not set CONFIG_NET=y @@ -299,6 +298,7 @@ CONFIG_IPV6_TUNNEL=m # CONFIG_ATM is not set CONFIG_STP=m CONFIG_BRIDGE=m +# CONFIG_NET_DSA is not set # CONFIG_VLAN_8021Q is not set # CONFIG_DECNET is not set CONFIG_LLC=m @@ -321,14 +321,8 @@ CONFIG_LLC=m # CONFIG_IRDA is not set # CONFIG_BT is not set # CONFIG_AF_RXRPC is not set - -# -# Wireless -# -# CONFIG_CFG80211 is not set -# CONFIG_WIRELESS_EXT is not set -# CONFIG_MAC80211 is not set -# CONFIG_IEEE80211 is not set +# CONFIG_PHONET is not set +# CONFIG_WIRELESS is not set # CONFIG_RFKILL is not set # CONFIG_NET_9P is not set @@ -359,6 +353,7 @@ CONFIG_MTD_CMDLINE_PARTS=y # User Modules And Translation Layers # CONFIG_MTD_CHAR=y +CONFIG_HAVE_MTD_OTP=y CONFIG_MTD_BLKDEVS=y CONFIG_MTD_BLOCK=y # CONFIG_FTL is not set @@ -407,6 +402,8 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2 # Self-contained MTD device drivers # CONFIG_MTD_DATAFLASH=m +# CONFIG_MTD_DATAFLASH_WRITE_VERIFY is not set +CONFIG_MTD_DATAFLASH_OTP=y CONFIG_MTD_M25P80=m CONFIG_M25PXX_USE_FAST_READ=y # CONFIG_MTD_SLRAM is not set @@ -464,9 +461,10 @@ CONFIG_ATMEL_TCLIB=y CONFIG_ATMEL_TCB_CLKSRC=y CONFIG_ATMEL_TCB_CLKSRC_BLOCK=0 # CONFIG_EEPROM_93CX6 is not set +# CONFIG_ICS932S401 is not set CONFIG_ATMEL_SSC=m # CONFIG_ENCLOSURE_SERVICES is not set -# CONFIG_HAVE_IDE is not set +# CONFIG_C2PORT is not set # # SCSI device support @@ -548,6 +546,9 @@ CONFIG_MACB=y # CONFIG_IBM_NEW_EMAC_RGMII is not set # CONFIG_IBM_NEW_EMAC_TAH is not set # CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set +# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set +# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set # CONFIG_B44 is not set # CONFIG_NETDEV_1000 is not set # CONFIG_NETDEV_10000 is not set @@ -653,6 +654,7 @@ CONFIG_UNIX98_PTYS=y CONFIG_I2C=m CONFIG_I2C_BOARDINFO=y CONFIG_I2C_CHARDEV=m +CONFIG_I2C_HELPER_AUTO=y CONFIG_I2C_ALGOBIT=m # @@ -717,6 +719,10 @@ CONFIG_GPIOLIB=y CONFIG_GPIO_SYSFS=y # +# Memory mapped GPIO expanders: +# + +# # I2C GPIO expanders: # # CONFIG_GPIO_MAX732X is not set @@ -745,11 +751,11 @@ CONFIG_WATCHDOG=y # # CONFIG_SOFT_WATCHDOG is not set CONFIG_AT32AP700X_WDT=y +CONFIG_SSB_POSSIBLE=y # # Sonics Silicon Backplane # -CONFIG_SSB_POSSIBLE=y # CONFIG_SSB is not set # @@ -758,6 +764,10 @@ CONFIG_SSB_POSSIBLE=y # CONFIG_MFD_CORE is not set # CONFIG_MFD_SM501 is not set # CONFIG_HTC_PASIC3 is not set +# CONFIG_MFD_TMIO is not set +# CONFIG_MFD_WM8400 is not set +# CONFIG_MFD_WM8350_I2C is not set +# CONFIG_REGULATOR is not set # # Multimedia devices @@ -783,6 +793,7 @@ CONFIG_SSB_POSSIBLE=y CONFIG_FB=y # CONFIG_FIRMWARE_EDID is not set # CONFIG_FB_DDC is not set +# CONFIG_FB_BOOT_VESA_SUPPORT is not set CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y @@ -804,10 +815,13 @@ CONFIG_FB_CFB_IMAGEBLIT=y # CONFIG_FB_S1D13XXX is not set CONFIG_FB_ATMEL=y # CONFIG_FB_VIRTUAL is not set +# CONFIG_FB_METRONOME is not set +# CONFIG_FB_MB862XX is not set CONFIG_BACKLIGHT_LCD_SUPPORT=y CONFIG_LCD_CLASS_DEVICE=y CONFIG_LCD_LTV350QV=y # CONFIG_LCD_ILI9320 is not set +# CONFIG_LCD_TDO24M is not set # CONFIG_LCD_VGG2432A4 is not set # CONFIG_LCD_PLATFORM is not set # CONFIG_BACKLIGHT_CLASS_DEVICE is not set @@ -818,6 +832,7 @@ CONFIG_LCD_LTV350QV=y # CONFIG_DISPLAY_SUPPORT is not set # CONFIG_LOGO is not set CONFIG_SOUND=m +CONFIG_SOUND_OSS_CORE=y CONFIG_SND=m CONFIG_SND_TIMER=m CONFIG_SND_PCM=m @@ -848,28 +863,32 @@ CONFIG_USB_SUPPORT=y # CONFIG_USB_ARCH_HAS_EHCI is not set # CONFIG_USB_OTG_WHITELIST is not set # CONFIG_USB_OTG_BLACKLIST_HUB is not set +# CONFIG_USB_MUSB_HDRC is not set +# CONFIG_USB_GADGET_MUSB_HDRC is not set # -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed; # CONFIG_USB_GADGET=y # CONFIG_USB_GADGET_DEBUG is not set # CONFIG_USB_GADGET_DEBUG_FILES is not set # CONFIG_USB_GADGET_DEBUG_FS is not set +CONFIG_USB_GADGET_VBUS_DRAW=2 CONFIG_USB_GADGET_SELECTED=y -# CONFIG_USB_GADGET_AMD5536UDC is not set +# CONFIG_USB_GADGET_AT91 is not set CONFIG_USB_GADGET_ATMEL_USBA=y CONFIG_USB_ATMEL_USBA=y # CONFIG_USB_GADGET_FSL_USB2 is not set -# CONFIG_USB_GADGET_NET2280 is not set -# CONFIG_USB_GADGET_PXA25X is not set -# CONFIG_USB_GADGET_M66592 is not set -# CONFIG_USB_GADGET_PXA27X is not set -# CONFIG_USB_GADGET_GOKU is not set # CONFIG_USB_GADGET_LH7A40X is not set # CONFIG_USB_GADGET_OMAP is not set +# CONFIG_USB_GADGET_PXA25X is not set +# CONFIG_USB_GADGET_PXA27X is not set # CONFIG_USB_GADGET_S3C2410 is not set -# CONFIG_USB_GADGET_AT91 is not set +# CONFIG_USB_GADGET_M66592 is not set +# CONFIG_USB_GADGET_AMD5536UDC is not set +# CONFIG_USB_GADGET_FSL_QE is not set +# CONFIG_USB_GADGET_NET2280 is not set +# CONFIG_USB_GADGET_GOKU is not set # CONFIG_USB_GADGET_DUMMY_HCD is not set CONFIG_USB_GADGET_DUALSPEED=y CONFIG_USB_ZERO=m @@ -887,7 +906,7 @@ CONFIG_MMC=y # CONFIG_MMC_UNSAFE_RESUME is not set # -# MMC/SD Card Drivers +# MMC/SD/SDIO Card Drivers # CONFIG_MMC_BLOCK=y CONFIG_MMC_BLOCK_BOUNCE=y @@ -895,10 +914,11 @@ CONFIG_MMC_BLOCK_BOUNCE=y # CONFIG_MMC_TEST is not set # -# MMC/SD Host Controller Drivers +# MMC/SD/SDIO Host Controller Drivers # # CONFIG_MMC_SDHCI is not set CONFIG_MMC_ATMELMCI=y +# CONFIG_MMC_ATMELMCI_DMA is not set CONFIG_MMC_SPI=m # CONFIG_MEMSTICK is not set CONFIG_NEW_LEDS=y @@ -918,6 +938,7 @@ CONFIG_LEDS_GPIO=m CONFIG_LEDS_TRIGGERS=y CONFIG_LEDS_TRIGGER_TIMER=m CONFIG_LEDS_TRIGGER_HEARTBEAT=m +# CONFIG_LEDS_TRIGGER_BACKLIGHT is not set CONFIG_LEDS_TRIGGER_DEFAULT_ON=m # CONFIG_ACCESSIBILITY is not set CONFIG_RTC_LIB=y @@ -950,25 +971,31 @@ CONFIG_RTC_INTF_DEV=y # CONFIG_RTC_DRV_M41T80 is not set # CONFIG_RTC_DRV_S35390A is not set # CONFIG_RTC_DRV_FM3130 is not set +# CONFIG_RTC_DRV_RX8581 is not set # # SPI RTC drivers # # CONFIG_RTC_DRV_M41T94 is not set # CONFIG_RTC_DRV_DS1305 is not set +# CONFIG_RTC_DRV_DS1390 is not set # CONFIG_RTC_DRV_MAX6902 is not set # CONFIG_RTC_DRV_R9701 is not set # CONFIG_RTC_DRV_RS5C348 is not set +# CONFIG_RTC_DRV_DS3234 is not set # # Platform RTC drivers # +# CONFIG_RTC_DRV_DS1286 is not set # CONFIG_RTC_DRV_DS1511 is not set # CONFIG_RTC_DRV_DS1553 is not set # CONFIG_RTC_DRV_DS1742 is not set # CONFIG_RTC_DRV_STK17TA8 is not set # CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T35 is not set # CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_BQ4802 is not set # CONFIG_RTC_DRV_V3020 is not set # @@ -989,6 +1016,8 @@ CONFIG_DMA_ENGINE=y # CONFIG_NET_DMA is not set CONFIG_DMATEST=m # CONFIG_UIO is not set +# CONFIG_STAGING is not set +CONFIG_STAGING_EXCLUDE_BUILD=y # # File systems @@ -998,12 +1027,17 @@ CONFIG_EXT2_FS=m # CONFIG_EXT2_FS_XIP is not set CONFIG_EXT3_FS=m # CONFIG_EXT3_FS_XATTR is not set -# CONFIG_EXT4DEV_FS is not set +CONFIG_EXT4_FS=m +CONFIG_EXT4DEV_COMPAT=y +# CONFIG_EXT4_FS_XATTR is not set CONFIG_JBD=m # CONFIG_JBD_DEBUG is not set +CONFIG_JBD2=m +# CONFIG_JBD2_DEBUG is not set # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set # CONFIG_FS_POSIX_ACL is not set +CONFIG_FILE_LOCKING=y # CONFIG_XFS_FS is not set # CONFIG_OCFS2_FS is not set # CONFIG_DNOTIFY is not set @@ -1036,6 +1070,7 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y CONFIG_PROC_SYSCTL=y +CONFIG_PROC_PAGE_MONITOR=y CONFIG_SYSFS=y CONFIG_TMPFS=y # CONFIG_TMPFS_POSIX_ACL is not set @@ -1054,7 +1089,8 @@ CONFIG_TMPFS=y # CONFIG_EFS_FS is not set CONFIG_JFFS2_FS=y CONFIG_JFFS2_FS_DEBUG=0 -# CONFIG_JFFS2_FS_WRITEBUFFER is not set +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_FS_WBUF_VERIFY is not set # CONFIG_JFFS2_SUMMARY is not set # CONFIG_JFFS2_FS_XATTR is not set # CONFIG_JFFS2_COMPRESSION_OPTIONS is not set @@ -1088,6 +1124,7 @@ CONFIG_LOCKD=y CONFIG_LOCKD_V4=y CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y +# CONFIG_SUNRPC_REGISTER_V4 is not set # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set # CONFIG_SMB_FS is not set @@ -1185,10 +1222,21 @@ CONFIG_DEBUG_BUGVERBOSE=y CONFIG_FRAME_POINTER=y # CONFIG_BOOT_PRINTK_DELAY is not set # CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_RCU_CPU_STALL_DETECTOR is not set # CONFIG_KPROBES_SANITY_TEST is not set # CONFIG_BACKTRACE_SELF_TEST is not set +# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set # CONFIG_LKDTM is not set # CONFIG_FAULT_INJECTION is not set + +# +# Tracers +# +# CONFIG_IRQSOFF_TRACER is not set +# CONFIG_SCHED_TRACER is not set +# CONFIG_CONTEXT_SWITCH_TRACER is not set +# CONFIG_BOOT_TRACER is not set +# CONFIG_DYNAMIC_PRINTK_DEBUG is not set # CONFIG_SAMPLES is not set # @@ -1196,17 +1244,26 @@ CONFIG_FRAME_POINTER=y # # CONFIG_KEYS is not set # CONFIG_SECURITY is not set +# CONFIG_SECURITYFS is not set # CONFIG_SECURITY_FILE_CAPABILITIES is not set CONFIG_CRYPTO=y # # Crypto core or helper # +CONFIG_CRYPTO_FIPS=y CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_ALGAPI2=y CONFIG_CRYPTO_AEAD=m +CONFIG_CRYPTO_AEAD2=y CONFIG_CRYPTO_BLKCIPHER=m +CONFIG_CRYPTO_BLKCIPHER2=y CONFIG_CRYPTO_HASH=m +CONFIG_CRYPTO_HASH2=y +CONFIG_CRYPTO_RNG=m +CONFIG_CRYPTO_RNG2=y CONFIG_CRYPTO_MANAGER=m +CONFIG_CRYPTO_MANAGER2=y # CONFIG_CRYPTO_GF128MUL is not set # CONFIG_CRYPTO_NULL is not set # CONFIG_CRYPTO_CRYPTD is not set @@ -1257,7 +1314,7 @@ CONFIG_CRYPTO_SHA1=m # # Ciphers # -# CONFIG_CRYPTO_AES is not set +CONFIG_CRYPTO_AES=m # CONFIG_CRYPTO_ANUBIS is not set # CONFIG_CRYPTO_ARC4 is not set # CONFIG_CRYPTO_BLOWFISH is not set @@ -1278,14 +1335,17 @@ CONFIG_CRYPTO_DES=m # CONFIG_CRYPTO_DEFLATE=y CONFIG_CRYPTO_LZO=y + +# +# Random Number Generation +# +CONFIG_CRYPTO_ANSI_CPRNG=m # CONFIG_CRYPTO_HW is not set # # Library routines # CONFIG_BITREVERSE=y -# CONFIG_GENERIC_FIND_FIRST_BIT is not set -# CONFIG_GENERIC_FIND_NEXT_BIT is not set CONFIG_CRC_CCITT=m CONFIG_CRC16=y CONFIG_CRC_T10DIF=m diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c index 0c6e02f80a3..066252eebf6 100644 --- a/arch/avr32/mach-at32ap/at32ap700x.c +++ b/arch/avr32/mach-at32ap/at32ap700x.c @@ -967,28 +967,28 @@ static inline void configure_usart0_pins(void) { u32 pin_mask = (1 << 8) | (1 << 9); /* RXD & TXD */ - select_peripheral(PIOA, pin_mask, PERIPH_B, 0); + select_peripheral(PIOA, pin_mask, PERIPH_B, AT32_GPIOF_PULLUP); } static inline void configure_usart1_pins(void) { u32 pin_mask = (1 << 17) | (1 << 18); /* RXD & TXD */ - select_peripheral(PIOA, pin_mask, PERIPH_A, 0); + select_peripheral(PIOA, pin_mask, PERIPH_A, AT32_GPIOF_PULLUP); } static inline void configure_usart2_pins(void) { u32 pin_mask = (1 << 26) | (1 << 27); /* RXD & TXD */ - select_peripheral(PIOB, pin_mask, PERIPH_B, 0); + select_peripheral(PIOB, pin_mask, PERIPH_B, AT32_GPIOF_PULLUP); } static inline void configure_usart3_pins(void) { u32 pin_mask = (1 << 18) | (1 << 17); /* RXD & TXD */ - select_peripheral(PIOB, pin_mask, PERIPH_B, 0); + select_peripheral(PIOB, pin_mask, PERIPH_B, AT32_GPIOF_PULLUP); } static struct platform_device *__initdata at32_usarts[4]; diff --git a/arch/mips/include/asm/byteorder.h b/arch/mips/include/asm/byteorder.h index 2988d29a086..33790b9e0cc 100644 --- a/arch/mips/include/asm/byteorder.h +++ b/arch/mips/include/asm/byteorder.h @@ -50,9 +50,8 @@ static inline __attribute_const__ __u32 __arch_swab32(__u32 x) static inline __attribute_const__ __u64 __arch_swab64(__u64 x) { __asm__( - " dsbh %0, %1 \n" - " dshd %0, %0 \n" - " drotr %0, %0, 32 \n" + " dsbh %0, %1\n" + " dshd %0, %0" : "=r" (x) : "r" (x)); diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h index a8eac1697b3..d58f128aa74 100644 --- a/arch/mips/include/asm/elf.h +++ b/arch/mips/include/asm/elf.h @@ -232,7 +232,7 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; */ #ifdef __MIPSEB__ #define ELF_DATA ELFDATA2MSB -#elif __MIPSEL__ +#elif defined(__MIPSEL__) #define ELF_DATA ELFDATA2LSB #endif #define ELF_ARCH EM_MIPS diff --git a/arch/parisc/include/asm/tlbflush.h b/arch/parisc/include/asm/tlbflush.h index b72ec66db69..1f6fd4fc05b 100644 --- a/arch/parisc/include/asm/tlbflush.h +++ b/arch/parisc/include/asm/tlbflush.h @@ -44,9 +44,12 @@ static inline void flush_tlb_mm(struct mm_struct *mm) { BUG_ON(mm == &init_mm); /* Should never happen */ -#ifdef CONFIG_SMP +#if 1 || defined(CONFIG_SMP) flush_tlb_all(); #else + /* FIXME: currently broken, causing space id and protection ids + * to go out of sync, resulting in faults on userspace accesses. + */ if (mm) { if (mm->context != 0) free_sid(mm->context); diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index d108715129e..5c33bc14bd9 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -486,13 +486,13 @@ _GLOBAL(_tlbil_va) tlbsx 0,r3 mfspr r4,SPRN_MAS1 /* check valid */ andis. r3,r4,MAS1_VALID@h - beqlr + beq 1f rlwinm r4,r4,0,1,31 mtspr SPRN_MAS1,r4 tlbwe msync isync - wrtee r10 +1: wrtee r10 blr #endif /* CONFIG_FSL_BOOKE */ diff --git a/arch/powerpc/lib/rheap.c b/arch/powerpc/lib/rheap.c index 29b2941cada..45907c1dae6 100644 --- a/arch/powerpc/lib/rheap.c +++ b/arch/powerpc/lib/rheap.c @@ -556,6 +556,7 @@ unsigned long rh_alloc_fixed(rh_info_t * info, unsigned long start, int size, co be = blk->start + blk->size; if (s >= bs && e <= be) break; + blk = NULL; } if (blk == NULL) diff --git a/arch/powerpc/platforms/pseries/rtasd.c b/arch/powerpc/platforms/pseries/rtasd.c index f4e55be2eea..afad9f5ac0a 100644 --- a/arch/powerpc/platforms/pseries/rtasd.c +++ b/arch/powerpc/platforms/pseries/rtasd.c @@ -208,6 +208,7 @@ void pSeries_log_error(char *buf, unsigned int err_type, int fatal) break; case ERR_TYPE_KERNEL_PANIC: default: + WARN_ON_ONCE(!irqs_disabled()); /* @@@ DEBUG @@@ */ spin_unlock_irqrestore(&rtasd_log_lock, s); return; } @@ -227,6 +228,7 @@ void pSeries_log_error(char *buf, unsigned int err_type, int fatal) /* Check to see if we need to or have stopped logging */ if (fatal || !logging_enabled) { logging_enabled = 0; + WARN_ON_ONCE(!irqs_disabled()); /* @@@ DEBUG @@@ */ spin_unlock_irqrestore(&rtasd_log_lock, s); return; } @@ -249,11 +251,13 @@ void pSeries_log_error(char *buf, unsigned int err_type, int fatal) else rtas_log_start += 1; + WARN_ON_ONCE(!irqs_disabled()); /* @@@ DEBUG @@@ */ spin_unlock_irqrestore(&rtasd_log_lock, s); wake_up_interruptible(&rtas_log_wait); break; case ERR_TYPE_KERNEL_PANIC: default: + WARN_ON_ONCE(!irqs_disabled()); /* @@@ DEBUG @@@ */ spin_unlock_irqrestore(&rtasd_log_lock, s); return; } diff --git a/arch/sparc/include/asm/ptrace_32.h b/arch/sparc/include/asm/ptrace_32.h index d409c4f21a5..4cef450167d 100644 --- a/arch/sparc/include/asm/ptrace_32.h +++ b/arch/sparc/include/asm/ptrace_32.h @@ -62,6 +62,8 @@ struct sparc_stackf { #ifdef __KERNEL__ +#include <asm/system.h> + static inline bool pt_regs_is_syscall(struct pt_regs *regs) { return (regs->psr & PSR_SYSCALL); @@ -72,6 +74,14 @@ static inline bool pt_regs_clear_syscall(struct pt_regs *regs) return (regs->psr &= ~PSR_SYSCALL); } +#define arch_ptrace_stop_needed(exit_code, info) \ +({ flush_user_windows(); \ + current_thread_info()->w_saved != 0; \ +}) + +#define arch_ptrace_stop(exit_code, info) \ + synchronize_user_stack() + #define user_mode(regs) (!((regs)->psr & PSR_PS)) #define instruction_pointer(regs) ((regs)->pc) #define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP]) diff --git a/arch/sparc/include/asm/ptrace_64.h b/arch/sparc/include/asm/ptrace_64.h index 84e969f06af..cd6fbfc2043 100644 --- a/arch/sparc/include/asm/ptrace_64.h +++ b/arch/sparc/include/asm/ptrace_64.h @@ -114,6 +114,7 @@ struct sparc_trapf { #ifdef __KERNEL__ #include <linux/threads.h> +#include <asm/system.h> static inline int pt_regs_trap_type(struct pt_regs *regs) { @@ -130,6 +131,14 @@ static inline bool pt_regs_clear_syscall(struct pt_regs *regs) return (regs->tstate &= ~TSTATE_SYSCALL); } +#define arch_ptrace_stop_needed(exit_code, info) \ +({ flush_user_windows(); \ + get_thread_wsaved() != 0; \ +}) + +#define arch_ptrace_stop(exit_code, info) \ + synchronize_user_stack() + struct global_reg_snapshot { unsigned long tstate; unsigned long tpc; diff --git a/arch/um/include/asm/system.h b/arch/um/include/asm/system.h index 753346e2cdf..ae5f94d6317 100644 --- a/arch/um/include/asm/system.h +++ b/arch/um/include/asm/system.h @@ -11,21 +11,21 @@ extern int get_signals(void); extern void block_signals(void); extern void unblock_signals(void); -#define local_save_flags(flags) do { typecheck(unsigned long, flags); \ +#define raw_local_save_flags(flags) do { typecheck(unsigned long, flags); \ (flags) = get_signals(); } while(0) -#define local_irq_restore(flags) do { typecheck(unsigned long, flags); \ +#define raw_local_irq_restore(flags) do { typecheck(unsigned long, flags); \ set_signals(flags); } while(0) -#define local_irq_save(flags) do { local_save_flags(flags); \ - local_irq_disable(); } while(0) +#define raw_local_irq_save(flags) do { raw_local_save_flags(flags); \ + raw_local_irq_disable(); } while(0) -#define local_irq_enable() unblock_signals() -#define local_irq_disable() block_signals() +#define raw_local_irq_enable() unblock_signals() +#define raw_local_irq_disable() block_signals() #define irqs_disabled() \ ({ \ unsigned long flags; \ - local_save_flags(flags); \ + raw_local_save_flags(flags); \ (flags == 0); \ }) diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu index b815664fe37..8e99073b9e0 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -520,6 +520,7 @@ config X86_PTRACE_BTS bool "Branch Trace Store" default y depends on X86_DEBUGCTLMSR + depends on BROKEN help This adds a ptrace interface to the hardware's branch trace store. diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h index 097794ff6b7..3b43a65894c 100644 --- a/arch/x86/include/asm/dma-mapping.h +++ b/arch/x86/include/asm/dma-mapping.h @@ -65,7 +65,7 @@ static inline struct dma_mapping_ops *get_dma_ops(struct device *dev) return dma_ops; else return dev->archdata.dma_ops; -#endif /* _ASM_X86_DMA_MAPPING_H */ +#endif } /* Make sure we keep the same behaviour */ diff --git a/arch/x86/include/asm/iommu.h b/arch/x86/include/asm/iommu.h index 0b500c5b644..35276ec5925 100644 --- a/arch/x86/include/asm/iommu.h +++ b/arch/x86/include/asm/iommu.h @@ -7,8 +7,6 @@ extern struct dma_mapping_ops nommu_dma_ops; extern int force_iommu, no_iommu; extern int iommu_detected; -extern unsigned long iommu_nr_pages(unsigned long addr, unsigned long len); - /* 10 seconds */ #define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000) diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index 875b38edf19..50ac542c938 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -82,6 +82,8 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev, static inline void early_quirks(void) { } #endif +extern void pci_iommu_alloc(void); + #endif /* __KERNEL__ */ #ifdef CONFIG_X86_32 diff --git a/arch/x86/include/asm/pci_64.h b/arch/x86/include/asm/pci_64.h index d02d936840a..4da20798277 100644 --- a/arch/x86/include/asm/pci_64.h +++ b/arch/x86/include/asm/pci_64.h @@ -23,7 +23,6 @@ extern int (*pci_config_write)(int seg, int bus, int dev, int fn, int reg, int len, u32 value); extern void dma32_reserve_bootmem(void); -extern void pci_iommu_alloc(void); /* The PCI address space does equal the physical memory * address space. The networking and block device layers use diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index 35c54921b2e..99192bb55a5 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -157,6 +157,7 @@ extern int __get_user_bad(void); int __ret_gu; \ unsigned long __val_gu; \ __chk_user_ptr(ptr); \ + might_fault(); \ switch (sizeof(*(ptr))) { \ case 1: \ __get_user_x(1, __ret_gu, __val_gu, ptr); \ @@ -241,6 +242,7 @@ extern void __put_user_8(void); int __ret_pu; \ __typeof__(*(ptr)) __pu_val; \ __chk_user_ptr(ptr); \ + might_fault(); \ __pu_val = x; \ switch (sizeof(*(ptr))) { \ case 1: \ diff --git a/arch/x86/include/asm/uaccess_32.h b/arch/x86/include/asm/uaccess_32.h index d095a3aeea1..5e06259e90e 100644 --- a/arch/x86/include/asm/uaccess_32.h +++ b/arch/x86/include/asm/uaccess_32.h @@ -82,8 +82,8 @@ __copy_to_user_inatomic(void __user *to, const void *from, unsigned long n) static __always_inline unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n) { - might_sleep(); - return __copy_to_user_inatomic(to, from, n); + might_fault(); + return __copy_to_user_inatomic(to, from, n); } static __always_inline unsigned long @@ -137,7 +137,7 @@ __copy_from_user_inatomic(void *to, const void __user *from, unsigned long n) static __always_inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n) { - might_sleep(); + might_fault(); if (__builtin_constant_p(n)) { unsigned long ret; @@ -159,7 +159,7 @@ __copy_from_user(void *to, const void __user *from, unsigned long n) static __always_inline unsigned long __copy_from_user_nocache(void *to, const void __user *from, unsigned long n) { - might_sleep(); + might_fault(); if (__builtin_constant_p(n)) { unsigned long ret; diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h index f8cfd00db45..84210c479fc 100644 --- a/arch/x86/include/asm/uaccess_64.h +++ b/arch/x86/include/asm/uaccess_64.h @@ -29,6 +29,8 @@ static __always_inline __must_check int __copy_from_user(void *dst, const void __user *src, unsigned size) { int ret = 0; + + might_fault(); if (!__builtin_constant_p(size)) return copy_user_generic(dst, (__force void *)src, size); switch (size) { @@ -71,6 +73,8 @@ static __always_inline __must_check int __copy_to_user(void __user *dst, const void *src, unsigned size) { int ret = 0; + + might_fault(); if (!__builtin_constant_p(size)) return copy_user_generic((__force void *)dst, src, size); switch (size) { @@ -113,6 +117,8 @@ static __always_inline __must_check int __copy_in_user(void __user *dst, const void __user *src, unsigned size) { int ret = 0; + + might_fault(); if (!__builtin_constant_p(size)) return copy_user_generic((__force void *)dst, (__force void *)src, size); diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index b62a7667828..a9c656f2d66 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -105,6 +105,8 @@ microcode-$(CONFIG_MICROCODE_INTEL) += microcode_intel.o microcode-$(CONFIG_MICROCODE_AMD) += microcode_amd.o obj-$(CONFIG_MICROCODE) += microcode.o +obj-$(CONFIG_SWIOTLB) += pci-swiotlb_64.o # NB rename without _64 + ### # 64 bit specific files ifeq ($(CONFIG_X86_64),y) @@ -118,7 +120,6 @@ ifeq ($(CONFIG_X86_64),y) obj-$(CONFIG_GART_IOMMU) += pci-gart_64.o aperture_64.o obj-$(CONFIG_CALGARY_IOMMU) += pci-calgary_64.o tce_64.o obj-$(CONFIG_AMD_IOMMU) += amd_iommu_init.o amd_iommu.o - obj-$(CONFIG_SWIOTLB) += pci-swiotlb_64.o obj-$(CONFIG_PCI_MMCONFIG) += mmconf-fam10h_64.o endif diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index a7b6dec6fc3..0a60d60ed03 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -235,8 +235,9 @@ static int iommu_completion_wait(struct amd_iommu *iommu) status &= ~MMIO_STATUS_COM_WAIT_INT_MASK; writel(status, iommu->mmio_base + MMIO_STATUS_OFFSET); - if (unlikely((i == EXIT_LOOP_COUNT) && printk_ratelimit())) - printk(KERN_WARNING "AMD IOMMU: Completion wait loop failed\n"); + if (unlikely(i == EXIT_LOOP_COUNT)) + panic("AMD IOMMU: Completion wait loop failed\n"); + out: spin_unlock_irqrestore(&iommu->lock, flags); diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 30ae2701b3d..c6cc22815d3 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -427,6 +427,10 @@ static u8 * __init alloc_command_buffer(struct amd_iommu *iommu) memcpy_toio(iommu->mmio_base + MMIO_CMD_BUF_OFFSET, &entry, sizeof(entry)); + /* set head and tail to zero manually */ + writel(0x00, iommu->mmio_base + MMIO_CMD_HEAD_OFFSET); + writel(0x00, iommu->mmio_base + MMIO_CMD_TAIL_OFFSET); + iommu_feature_enable(iommu, CONTROL_CMDBUF_EN); return cmd_buf; @@ -1074,7 +1078,8 @@ int __init amd_iommu_init(void) goto free; /* IOMMU rlookup table - find the IOMMU for a specific device */ - amd_iommu_rlookup_table = (void *)__get_free_pages(GFP_KERNEL, + amd_iommu_rlookup_table = (void *)__get_free_pages( + GFP_KERNEL | __GFP_ZERO, get_order(rlookup_table_size)); if (amd_iommu_rlookup_table == NULL) goto free; diff --git a/arch/x86/kernel/cpu/mcheck/mce_64.c b/arch/x86/kernel/cpu/mcheck/mce_64.c index 4b031a4ac85..1c838032fd3 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_64.c +++ b/arch/x86/kernel/cpu/mcheck/mce_64.c @@ -510,12 +510,9 @@ static void __cpuinit mce_cpu_features(struct cpuinfo_x86 *c) */ void __cpuinit mcheck_init(struct cpuinfo_x86 *c) { - static cpumask_t mce_cpus = CPU_MASK_NONE; - mce_cpu_quirks(c); if (mce_dont_init || - cpu_test_and_set(smp_processor_id(), mce_cpus) || !mce_available(c)) return; diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c index 82fb2809ce3..c4b5b24e021 100644 --- a/arch/x86/kernel/microcode_core.c +++ b/arch/x86/kernel/microcode_core.c @@ -272,13 +272,18 @@ static struct attribute_group mc_attr_group = { .name = "microcode", }; -static void microcode_fini_cpu(int cpu) +static void __microcode_fini_cpu(int cpu) { struct ucode_cpu_info *uci = ucode_cpu_info + cpu; - mutex_lock(µcode_mutex); microcode_ops->microcode_fini_cpu(cpu); uci->valid = 0; +} + +static void microcode_fini_cpu(int cpu) +{ + mutex_lock(µcode_mutex); + __microcode_fini_cpu(cpu); mutex_unlock(µcode_mutex); } @@ -306,12 +311,16 @@ static int microcode_resume_cpu(int cpu) * to this cpu (a bit of paranoia): */ if (microcode_ops->collect_cpu_info(cpu, &nsig)) { - microcode_fini_cpu(cpu); + __microcode_fini_cpu(cpu); + printk(KERN_ERR "failed to collect_cpu_info for resuming cpu #%d\n", + cpu); return -1; } - if (memcmp(&nsig, &uci->cpu_sig, sizeof(nsig))) { - microcode_fini_cpu(cpu); + if ((nsig.sig != uci->cpu_sig.sig) || (nsig.pf != uci->cpu_sig.pf)) { + __microcode_fini_cpu(cpu); + printk(KERN_ERR "cached ucode doesn't match the resuming cpu #%d\n", + cpu); /* Should we look for a new ucode here? */ return 1; } diff --git a/arch/x86/kernel/microcode_intel.c b/arch/x86/kernel/microcode_intel.c index 622dc4a2178..a8e62792d17 100644 --- a/arch/x86/kernel/microcode_intel.c +++ b/arch/x86/kernel/microcode_intel.c @@ -155,6 +155,7 @@ static DEFINE_SPINLOCK(microcode_update_lock); static int collect_cpu_info(int cpu_num, struct cpu_signature *csig) { struct cpuinfo_x86 *c = &cpu_data(cpu_num); + unsigned long flags; unsigned int val[2]; memset(csig, 0, sizeof(*csig)); @@ -174,11 +175,16 @@ static int collect_cpu_info(int cpu_num, struct cpu_signature *csig) csig->pf = 1 << ((val[1] >> 18) & 7); } + /* serialize access to the physical write to MSR 0x79 */ + spin_lock_irqsave(µcode_update_lock, flags); + wrmsr(MSR_IA32_UCODE_REV, 0, 0); /* see notes above for revision 1.07. Apparent chip bug */ sync_core(); /* get the current revision from MSR 0x8B */ rdmsr(MSR_IA32_UCODE_REV, val[0], csig->rev); + spin_unlock_irqrestore(µcode_update_lock, flags); + pr_debug("microcode: collect_cpu_info : sig=0x%x, pf=0x%x, rev=0x%x\n", csig->sig, csig->pf, csig->rev); diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 19262482021..00e07447a5b 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -105,11 +105,15 @@ static void __init dma32_free_bootmem(void) dma32_bootmem_ptr = NULL; dma32_bootmem_size = 0; } +#endif void __init pci_iommu_alloc(void) { +#ifdef CONFIG_X86_64 /* free the range so iommu could get some range less than 4G */ dma32_free_bootmem(); +#endif + /* * The order of these functions is important for * fall-back/fail-over reasons @@ -125,15 +129,6 @@ void __init pci_iommu_alloc(void) pci_swiotlb_init(); } -unsigned long iommu_nr_pages(unsigned long addr, unsigned long len) -{ - unsigned long size = roundup((addr & ~PAGE_MASK) + len, PAGE_SIZE); - - return size >> PAGE_SHIFT; -} -EXPORT_SYMBOL(iommu_nr_pages); -#endif - void *dma_generic_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_addr, gfp_t flag) { diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c index ba7ad83e20a..a35eaa379ff 100644 --- a/arch/x86/kernel/pci-gart_64.c +++ b/arch/x86/kernel/pci-gart_64.c @@ -745,10 +745,8 @@ void __init gart_iommu_init(void) unsigned long scratch; long i; - if (cache_k8_northbridges() < 0 || num_k8_northbridges == 0) { - printk(KERN_INFO "PCI-GART: No AMD GART found.\n"); + if (cache_k8_northbridges() < 0 || num_k8_northbridges == 0) return; - } #ifndef CONFIG_AGP_AMD64 no_agp = 1; diff --git a/arch/x86/kernel/pci-swiotlb_64.c b/arch/x86/kernel/pci-swiotlb_64.c index 3c539d111ab..242c3440687 100644 --- a/arch/x86/kernel/pci-swiotlb_64.c +++ b/arch/x86/kernel/pci-swiotlb_64.c @@ -3,6 +3,8 @@ #include <linux/pci.h> #include <linux/cache.h> #include <linux/module.h> +#include <linux/swiotlb.h> +#include <linux/bootmem.h> #include <linux/dma-mapping.h> #include <asm/iommu.h> @@ -11,6 +13,31 @@ int swiotlb __read_mostly; +void *swiotlb_alloc_boot(size_t size, unsigned long nslabs) +{ + return alloc_bootmem_low_pages(size); +} + +void *swiotlb_alloc(unsigned order, unsigned long nslabs) +{ + return (void *)__get_free_pages(GFP_DMA | __GFP_NOWARN, order); +} + +dma_addr_t swiotlb_phys_to_bus(phys_addr_t paddr) +{ + return paddr; +} + +phys_addr_t swiotlb_bus_to_phys(dma_addr_t baddr) +{ + return baddr; +} + +int __weak swiotlb_arch_range_needs_mapping(void *ptr, size_t size) +{ + return 0; +} + static dma_addr_t swiotlb_map_single_phys(struct device *hwdev, phys_addr_t paddr, size_t size, int direction) @@ -50,8 +77,10 @@ struct dma_mapping_ops swiotlb_dma_ops = { void __init pci_swiotlb_init(void) { /* don't initialize swiotlb if iommu=off (no_iommu=1) */ +#ifdef CONFIG_X86_64 if (!iommu_detected && !no_iommu && max_pfn > MAX_DMA32_PFN) swiotlb = 1; +#endif if (swiotlb_force) swiotlb = 1; if (swiotlb) { diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c index 9e68075544f..4a20b2f9a38 100644 --- a/arch/x86/lib/usercopy_32.c +++ b/arch/x86/lib/usercopy_32.c @@ -39,7 +39,7 @@ static inline int __movsl_is_ok(unsigned long a1, unsigned long a2, unsigned lon #define __do_strncpy_from_user(dst, src, count, res) \ do { \ int __d0, __d1, __d2; \ - might_sleep(); \ + might_fault(); \ __asm__ __volatile__( \ " testl %1,%1\n" \ " jz 2f\n" \ @@ -126,7 +126,7 @@ EXPORT_SYMBOL(strncpy_from_user); #define __do_clear_user(addr,size) \ do { \ int __d0; \ - might_sleep(); \ + might_fault(); \ __asm__ __volatile__( \ "0: rep; stosl\n" \ " movl %2,%0\n" \ @@ -155,7 +155,7 @@ do { \ unsigned long clear_user(void __user *to, unsigned long n) { - might_sleep(); + might_fault(); if (access_ok(VERIFY_WRITE, to, n)) __do_clear_user(to, n); return n; @@ -197,7 +197,7 @@ long strnlen_user(const char __user *s, long n) unsigned long mask = -__addr_ok(s); unsigned long res, tmp; - might_sleep(); + might_fault(); __asm__ __volatile__( " testl %0, %0\n" diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c index f4df6e7c718..64d6c84e635 100644 --- a/arch/x86/lib/usercopy_64.c +++ b/arch/x86/lib/usercopy_64.c @@ -15,7 +15,7 @@ #define __do_strncpy_from_user(dst,src,count,res) \ do { \ long __d0, __d1, __d2; \ - might_sleep(); \ + might_fault(); \ __asm__ __volatile__( \ " testq %1,%1\n" \ " jz 2f\n" \ @@ -64,7 +64,7 @@ EXPORT_SYMBOL(strncpy_from_user); unsigned long __clear_user(void __user *addr, unsigned long size) { long __d0; - might_sleep(); + might_fault(); /* no memory constraint because it doesn't change any memory gcc knows about */ asm volatile( diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index c483f424207..2b4b14fc0c0 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -21,6 +21,7 @@ #include <linux/init.h> #include <linux/highmem.h> #include <linux/pagemap.h> +#include <linux/pci.h> #include <linux/pfn.h> #include <linux/poison.h> #include <linux/bootmem.h> @@ -971,6 +972,8 @@ void __init mem_init(void) start_periodic_check_for_corruption(); + pci_iommu_alloc(); + #ifdef CONFIG_FLATMEM BUG_ON(!mem_map); #endif |