diff options
Diffstat (limited to 'arch/sparc')
128 files changed, 1058 insertions, 1042 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 4097f6a10860..6f1470baa314 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -37,6 +37,9 @@ config SPARC64 def_bool 64BIT select ARCH_SUPPORTS_MSI select HAVE_FUNCTION_TRACER + select HAVE_FUNCTION_GRAPH_TRACER + select HAVE_FUNCTION_GRAPH_FP_TEST + select HAVE_FUNCTION_TRACE_MCOUNT_TEST select HAVE_KRETPROBES select HAVE_KPROBES select HAVE_LMB @@ -72,7 +75,7 @@ config ARCH_USES_GETTIMEOFFSET config GENERIC_CMOS_UPDATE bool - default y if SPARC64 + default y config GENERIC_CLOCKEVENTS bool @@ -127,6 +130,12 @@ config ZONE_DMA bool default y if SPARC32 +config NEED_DMA_MAP_STATE + def_bool y + +config NEED_SG_DMA_LENGTH + def_bool y + config GENERIC_ISA_DMA bool default y if SPARC32 diff --git a/arch/sparc/Kconfig.debug b/arch/sparc/Kconfig.debug index 9d3c889718ac..1b4a831565f9 100644 --- a/arch/sparc/Kconfig.debug +++ b/arch/sparc/Kconfig.debug @@ -19,13 +19,10 @@ config DEBUG_DCFLUSH bool "D-cache flush debugging" depends on SPARC64 && DEBUG_KERNEL -config STACK_DEBUG - bool "Stack Overflow Detection Support" - config MCOUNT bool depends on SPARC64 - depends on STACK_DEBUG || FUNCTION_TRACER + depends on FUNCTION_TRACER default y config FRAME_POINTER diff --git a/arch/sparc/configs/sparc32_defconfig b/arch/sparc/configs/sparc32_defconfig index 99a1f191497b..6a8d078070ca 100644 --- a/arch/sparc/configs/sparc32_defconfig +++ b/arch/sparc/configs/sparc32_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.33-rc2 -# Mon Jan 11 23:20:31 2010 +# Linux kernel version: 2.6.33 +# Wed Mar 3 02:52:23 2010 # # CONFIG_64BIT is not set CONFIG_SPARC=y @@ -9,6 +9,8 @@ CONFIG_SPARC32=y # CONFIG_SPARC64 is not set CONFIG_ARCH_DEFCONFIG="arch/sparc/configs/sparc32_defconfig" CONFIG_BITS=32 +CONFIG_GENERIC_TIME=y +CONFIG_ARCH_USES_GETTIMEOFFSET=y CONFIG_AUDIT_ARCH=y CONFIG_MMU=y CONFIG_HIGHMEM=y @@ -48,11 +50,6 @@ CONFIG_RCU_FANOUT=32 # CONFIG_TREE_RCU_TRACE is not set # CONFIG_IKCONFIG is not set CONFIG_LOG_BUF_SHIFT=14 -CONFIG_GROUP_SCHED=y -CONFIG_FAIR_GROUP_SCHED=y -CONFIG_RT_GROUP_SCHED=y -CONFIG_USER_SCHED=y -# CONFIG_CGROUP_SCHED is not set # CONFIG_CGROUPS is not set CONFIG_SYSFS_DEPRECATED=y CONFIG_SYSFS_DEPRECATED_V2=y @@ -68,6 +65,7 @@ CONFIG_INITRAMFS_SOURCE="" CONFIG_RD_GZIP=y CONFIG_RD_BZIP2=y CONFIG_RD_LZMA=y +CONFIG_RD_LZO=y # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SYSCTL=y CONFIG_ANON_INODES=y @@ -211,7 +209,6 @@ CONFIG_SBUSCHAR=y CONFIG_PCI=y CONFIG_PCI_SYSCALL=y # CONFIG_ARCH_SUPPORTS_MSI is not set -CONFIG_PCI_LEGACY=y # CONFIG_PCI_DEBUG is not set # CONFIG_PCI_STUB is not set # CONFIG_PCI_IOV is not set @@ -232,7 +229,6 @@ CONFIG_NET=y # Networking options # CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y CONFIG_XFRM=y CONFIG_XFRM_USER=m @@ -379,11 +375,13 @@ CONFIG_MISC_DEVICES=y # CONFIG_TIFM_CORE is not set # CONFIG_ENCLOSURE_SERVICES is not set # CONFIG_HP_ILO is not set +# CONFIG_TI_DAC7512 is not set # CONFIG_C2PORT is not set # # EEPROM support # +# CONFIG_EEPROM_AT25 is not set # CONFIG_EEPROM_93CX6 is not set # CONFIG_CB710_CORE is not set CONFIG_HAVE_IDE=y @@ -507,7 +505,9 @@ CONFIG_SUNQE=m # CONFIG_SUNGEM is not set # CONFIG_CASSINI is not set # CONFIG_NET_VENDOR_3COM is not set +# CONFIG_ENC28J60 is not set # CONFIG_ETHOC is not set +# CONFIG_GRETH is not set # CONFIG_DNET is not set # CONFIG_NET_TULIP is not set # CONFIG_HP100 is not set @@ -521,6 +521,7 @@ CONFIG_SUNQE=m # CONFIG_NET_PCI is not set # CONFIG_B44 is not set # CONFIG_KS8842 is not set +# CONFIG_KS8851 is not set # CONFIG_KS8851_MLL is not set # CONFIG_ATL2 is not set CONFIG_NETDEV_1000=y @@ -563,6 +564,7 @@ CONFIG_CHELSIO_T3_DEPENDS=y # CONFIG_MLX4_CORE is not set # CONFIG_TEHUTI is not set # CONFIG_BNX2X is not set +# CONFIG_QLCNIC is not set # CONFIG_QLGE is not set # CONFIG_SFC is not set # CONFIG_BE2NET is not set @@ -665,6 +667,7 @@ CONFIG_DEVKMEM=y # # Non-8250 serial port support # +# CONFIG_SERIAL_MAX3100 is not set CONFIG_SERIAL_SUNCORE=y CONFIG_SERIAL_SUNZILOG=y CONFIG_SERIAL_SUNZILOG_CONSOLE=y @@ -689,7 +692,23 @@ CONFIG_HW_RANDOM=m # CONFIG_TCG_TPM is not set CONFIG_DEVPORT=y # CONFIG_I2C is not set -# CONFIG_SPI is not set +CONFIG_SPI=y +# CONFIG_SPI_DEBUG is not set +CONFIG_SPI_MASTER=y + +# +# SPI Master Controller Drivers +# +CONFIG_SPI_BITBANG=m +CONFIG_SPI_XILINX=m +CONFIG_SPI_XILINX_PLTFM=m +# CONFIG_SPI_DESIGNWARE is not set + +# +# SPI Protocol Masters +# +# CONFIG_SPI_SPIDEV is not set +# CONFIG_SPI_TLE62X0 is not set # # PPS support @@ -706,10 +725,13 @@ CONFIG_HWMON=y # # Native drivers # +# CONFIG_SENSORS_ADCXX is not set # CONFIG_SENSORS_I5K_AMB is not set # CONFIG_SENSORS_F71805F is not set # CONFIG_SENSORS_F71882FG is not set # CONFIG_SENSORS_IT87 is not set +# CONFIG_SENSORS_LM70 is not set +# CONFIG_SENSORS_MAX1111 is not set # CONFIG_SENSORS_PC87360 is not set # CONFIG_SENSORS_PC87427 is not set # CONFIG_SENSORS_SIS5595 is not set @@ -720,6 +742,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_VT8231 is not set # CONFIG_SENSORS_W83627HF is not set # CONFIG_SENSORS_W83627EHF is not set +# CONFIG_SENSORS_LIS3_SPI is not set # CONFIG_THERMAL is not set # CONFIG_WATCHDOG is not set CONFIG_SSB_POSSIBLE=y @@ -736,6 +759,8 @@ CONFIG_SSB_POSSIBLE=y # CONFIG_MFD_SM501 is not set # CONFIG_HTC_PASIC3 is not set # CONFIG_MFD_TMIO is not set +# CONFIG_MFD_MC13783 is not set +# CONFIG_AB4500_CORE is not set # CONFIG_REGULATOR is not set # CONFIG_MEDIA_SUPPORT is not set @@ -743,6 +768,7 @@ CONFIG_SSB_POSSIBLE=y # Graphics support # CONFIG_VGA_ARB=y +CONFIG_VGA_ARB_MAX_GPUS=16 # CONFIG_VGASTATE is not set # CONFIG_VIDEO_OUTPUT_CONTROL is not set # CONFIG_FB is not set @@ -808,6 +834,14 @@ CONFIG_RTC_INTF_DEV=y # # 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 +# CONFIG_RTC_DRV_PCF2123 is not set # # Platform RTC drivers @@ -1180,9 +1214,11 @@ CONFIG_CRC32=y CONFIG_LIBCRC32C=m CONFIG_ZLIB_INFLATE=y CONFIG_ZLIB_DEFLATE=y +CONFIG_LZO_DECOMPRESS=y CONFIG_DECOMPRESS_GZIP=y CONFIG_DECOMPRESS_BZIP2=y CONFIG_DECOMPRESS_LZMA=y +CONFIG_DECOMPRESS_LZO=y CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y CONFIG_HAS_DMA=y diff --git a/arch/sparc/configs/sparc64_defconfig b/arch/sparc/configs/sparc64_defconfig index 41c5a56aa6f2..259e3fd50993 100644 --- a/arch/sparc/configs/sparc64_defconfig +++ b/arch/sparc/configs/sparc64_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.33-rc2 -# Wed Jan 20 16:31:47 2010 +# Linux kernel version: 2.6.34-rc3 +# Sat Apr 3 15:49:56 2010 # CONFIG_64BIT=y CONFIG_SPARC=y @@ -23,6 +23,7 @@ CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK=y CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK=y CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y CONFIG_MMU=y +CONFIG_NEED_DMA_MAP_STATE=y CONFIG_ARCH_NO_VIRT_TO_BUS=y CONFIG_OF=y CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y @@ -55,14 +56,10 @@ CONFIG_TREE_RCU=y # CONFIG_RCU_TRACE is not set CONFIG_RCU_FANOUT=64 # CONFIG_RCU_FANOUT_EXACT is not set +# CONFIG_RCU_FAST_NO_HZ is not set # CONFIG_TREE_RCU_TRACE is not set # CONFIG_IKCONFIG is not set CONFIG_LOG_BUF_SHIFT=18 -CONFIG_GROUP_SCHED=y -CONFIG_FAIR_GROUP_SCHED=y -CONFIG_RT_GROUP_SCHED=y -CONFIG_USER_SCHED=y -# CONFIG_CGROUP_SCHED is not set # CONFIG_CGROUPS is not set # CONFIG_SYSFS_DEPRECATED_V2 is not set CONFIG_RELAY=y @@ -77,6 +74,7 @@ CONFIG_INITRAMFS_SOURCE="" CONFIG_RD_GZIP=y CONFIG_RD_BZIP2=y CONFIG_RD_LZMA=y +CONFIG_RD_LZO=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SYSCTL=y CONFIG_ANON_INODES=y @@ -105,7 +103,6 @@ CONFIG_PERF_USE_VMALLOC=y # Kernel Performance Events And Counters # CONFIG_PERF_EVENTS=y -CONFIG_EVENT_PROFILE=y CONFIG_PERF_COUNTERS=y # CONFIG_DEBUG_PERF_USE_VMALLOC is not set CONFIG_VM_EVENT_COUNTERS=y @@ -266,7 +263,6 @@ CONFIG_PCI_DOMAINS=y CONFIG_PCI_SYSCALL=y CONFIG_ARCH_SUPPORTS_MSI=y CONFIG_PCI_MSI=y -# CONFIG_PCI_LEGACY is not set # CONFIG_PCI_DEBUG is not set # CONFIG_PCI_STUB is not set # CONFIG_PCI_IOV is not set @@ -290,7 +286,6 @@ CONFIG_NET=y # Networking options # CONFIG_PACKET=y -CONFIG_PACKET_MMAP=y CONFIG_UNIX=y CONFIG_XFRM=y CONFIG_XFRM_USER=m @@ -425,10 +420,6 @@ CONFIG_BLK_DEV=y # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=m CONFIG_BLK_DEV_CRYPTOLOOP=m - -# -# DRBD disabled because PROC_FS, INET or CONNECTOR not selected -# # CONFIG_BLK_DEV_DRBD is not set CONFIG_BLK_DEV_NBD=m # CONFIG_BLK_DEV_SX8 is not set @@ -449,6 +440,7 @@ CONFIG_MISC_DEVICES=y # CONFIG_ENCLOSURE_SERVICES is not set # CONFIG_HP_ILO is not set # CONFIG_ISL29003 is not set +# CONFIG_SENSORS_TSL2550 is not set # CONFIG_DS1682 is not set # CONFIG_C2PORT is not set @@ -521,6 +513,7 @@ CONFIG_BLK_DEV_IDEDMA=y # # SCSI device support # +CONFIG_SCSI_MOD=y CONFIG_RAID_ATTRS=m CONFIG_SCSI=y CONFIG_SCSI_DMA=y @@ -677,6 +670,7 @@ CONFIG_SUNGEM=m CONFIG_SUNVNET=m # CONFIG_NET_VENDOR_3COM is not set # CONFIG_ETHOC is not set +# CONFIG_GRETH is not set # CONFIG_DNET is not set # CONFIG_NET_TULIP is not set # CONFIG_HP100 is not set @@ -691,6 +685,7 @@ CONFIG_NET_PCI=y # CONFIG_PCNET32 is not set # CONFIG_AMD8111_ETH is not set # CONFIG_ADAPTEC_STARFIRE is not set +# CONFIG_KSZ884X_PCI is not set # CONFIG_B44 is not set # CONFIG_FORCEDETH is not set # CONFIG_E100 is not set @@ -741,6 +736,7 @@ CONFIG_CHELSIO_T3_DEPENDS=y # CONFIG_CHELSIO_T3 is not set # CONFIG_ENIC is not set # CONFIG_IXGBE is not set +# CONFIG_IXGBEVF is not set # CONFIG_IXGB is not set # CONFIG_S2IO is not set # CONFIG_VXGE is not set @@ -751,6 +747,7 @@ CONFIG_NIU=m # CONFIG_MLX4_CORE is not set # CONFIG_TEHUTI is not set # CONFIG_BNX2X is not set +# CONFIG_QLCNIC is not set # CONFIG_QLGE is not set # CONFIG_SFC is not set # CONFIG_BE2NET is not set @@ -894,6 +891,7 @@ CONFIG_SERIAL_SUNHV=y CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_JSM is not set +# CONFIG_SERIAL_TIMBERDALE is not set # CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set CONFIG_UNIX98_PTYS=y # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set @@ -941,6 +939,7 @@ CONFIG_I2C_ALGOBIT=y # # CONFIG_I2C_OCORES is not set # CONFIG_I2C_SIMTEC is not set +# CONFIG_I2C_XILINX is not set # # External I2C/SMBus adapter drivers @@ -954,15 +953,9 @@ CONFIG_I2C_ALGOBIT=y # # CONFIG_I2C_PCA_PLATFORM is not set # CONFIG_I2C_STUB is not set - -# -# Miscellaneous I2C Chip support -# -# CONFIG_SENSORS_TSL2550 is not set # CONFIG_I2C_DEBUG_CORE is not set # CONFIG_I2C_DEBUG_ALGO is not set # CONFIG_I2C_DEBUG_BUS is not set -# CONFIG_I2C_DEBUG_CHIP is not set # CONFIG_SPI is not set # @@ -988,10 +981,11 @@ CONFIG_HWMON=y # CONFIG_SENSORS_ADM1029 is not set # CONFIG_SENSORS_ADM1031 is not set # CONFIG_SENSORS_ADM9240 is not set +# CONFIG_SENSORS_ADT7411 is not set # CONFIG_SENSORS_ADT7462 is not set # CONFIG_SENSORS_ADT7470 is not set -# CONFIG_SENSORS_ADT7473 is not set # CONFIG_SENSORS_ADT7475 is not set +# CONFIG_SENSORS_ASC7621 is not set # CONFIG_SENSORS_ATXP1 is not set # CONFIG_SENSORS_DS1621 is not set # CONFIG_SENSORS_I5K_AMB is not set @@ -1028,6 +1022,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_SMSC47M192 is not set # CONFIG_SENSORS_SMSC47B397 is not set # CONFIG_SENSORS_ADS7828 is not set +# CONFIG_SENSORS_AMC6821 is not set # CONFIG_SENSORS_THMC50 is not set # CONFIG_SENSORS_TMP401 is not set # CONFIG_SENSORS_TMP421 is not set @@ -1057,18 +1052,21 @@ CONFIG_SSB_POSSIBLE=y # Multifunction device drivers # # CONFIG_MFD_CORE is not set +# CONFIG_MFD_88PM860X is not set # CONFIG_MFD_SM501 is not set # CONFIG_HTC_PASIC3 is not set # CONFIG_TWL4030_CORE is not set # CONFIG_MFD_TMIO is not set # CONFIG_PMIC_DA903X is not set # CONFIG_PMIC_ADP5520 is not set +# CONFIG_MFD_MAX8925 is not set # CONFIG_MFD_WM8400 is not set # CONFIG_MFD_WM831X is not set # CONFIG_MFD_WM8350_I2C is not set +# CONFIG_MFD_WM8994 is not set # CONFIG_MFD_PCF50633 is not set # CONFIG_AB3100_CORE is not set -# CONFIG_MFD_88PM8607 is not set +# CONFIG_LPC_SCH is not set # CONFIG_REGULATOR is not set # CONFIG_MEDIA_SUPPORT is not set @@ -1076,6 +1074,7 @@ CONFIG_SSB_POSSIBLE=y # Graphics support # CONFIG_VGA_ARB=y +CONFIG_VGA_ARB_MAX_GPUS=16 # CONFIG_DRM is not set # CONFIG_VGASTATE is not set # CONFIG_VIDEO_OUTPUT_CONTROL is not set @@ -1117,6 +1116,7 @@ CONFIG_FB_FFB=y # CONFIG_FB_LEO is not set CONFIG_FB_XVR500=y CONFIG_FB_XVR2500=y +CONFIG_FB_XVR1000=y # CONFIG_FB_S1D13XXX is not set # CONFIG_FB_NVIDIA is not set # CONFIG_FB_RIVA is not set @@ -1279,6 +1279,7 @@ CONFIG_SND_ALI5451=m # CONFIG_SND_YMFPCI is not set CONFIG_SND_USB=y # CONFIG_SND_USB_AUDIO is not set +# CONFIG_SND_USB_UA101 is not set # CONFIG_SND_USB_CAIAQ is not set CONFIG_SND_SPARC=y # CONFIG_SND_SUN_AMD7930 is not set @@ -1301,6 +1302,7 @@ CONFIG_USB_HIDDEV=y # # Special HID drivers # +# CONFIG_HID_3M_PCT is not set CONFIG_HID_A4TECH=y CONFIG_HID_APPLE=y CONFIG_HID_BELKIN=y @@ -1317,14 +1319,19 @@ CONFIG_HID_KENSINGTON=y CONFIG_HID_LOGITECH=y # CONFIG_LOGITECH_FF is not set # CONFIG_LOGIRUMBLEPAD2_FF is not set +# CONFIG_LOGIG940_FF is not set CONFIG_HID_MICROSOFT=y +# CONFIG_HID_MOSART is not set CONFIG_HID_MONTEREY=y CONFIG_HID_NTRIG=y +CONFIG_HID_ORTEK=y CONFIG_HID_PANTHERLORD=y # CONFIG_PANTHERLORD_FF is not set CONFIG_HID_PETALYNX=y +# CONFIG_HID_QUANTA is not set CONFIG_HID_SAMSUNG=y CONFIG_HID_SONY=y +# CONFIG_HID_STANTUM is not set CONFIG_HID_SUNPLUS=y CONFIG_HID_GREENASIA=y # CONFIG_GREENASIA_FF is not set @@ -1427,7 +1434,6 @@ CONFIG_USB_STORAGE=m # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set -# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set @@ -1440,7 +1446,6 @@ CONFIG_USB_STORAGE=m # CONFIG_USB_IOWARRIOR is not set # CONFIG_USB_TEST is not set # CONFIG_USB_ISIGHTFW is not set -# CONFIG_USB_VST is not set # CONFIG_USB_GADGET is not set # @@ -1607,6 +1612,7 @@ CONFIG_MISC_FILESYSTEMS=y # CONFIG_BEFS_FS is not set # CONFIG_BFS_FS is not set # CONFIG_EFS_FS is not set +# CONFIG_LOGFS is not set # CONFIG_CRAMFS is not set # CONFIG_SQUASHFS is not set # CONFIG_VXFS_FS is not set @@ -1621,6 +1627,7 @@ CONFIG_NETWORK_FILESYSTEMS=y # CONFIG_NFS_FS is not set # CONFIG_NFSD is not set # CONFIG_SMB_FS is not set +# CONFIG_CEPH_FS is not set # CONFIG_CIFS is not set # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set @@ -1807,6 +1814,7 @@ CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_MANAGER2=y CONFIG_CRYPTO_GF128MUL=m CONFIG_CRYPTO_NULL=m +# CONFIG_CRYPTO_PCRYPT is not set CONFIG_CRYPTO_WORKQUEUE=y # CONFIG_CRYPTO_CRYPTD is not set CONFIG_CRYPTO_AUTHENC=y @@ -1904,9 +1912,11 @@ CONFIG_CRC32=y CONFIG_LIBCRC32C=m CONFIG_ZLIB_INFLATE=y CONFIG_ZLIB_DEFLATE=y +CONFIG_LZO_DECOMPRESS=y CONFIG_DECOMPRESS_GZIP=y CONFIG_DECOMPRESS_BZIP2=y CONFIG_DECOMPRESS_LZMA=y +CONFIG_DECOMPRESS_LZO=y CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y CONFIG_HAS_DMA=y diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h index f0d343c3b956..7ae128b19d3f 100644 --- a/arch/sparc/include/asm/atomic_32.h +++ b/arch/sparc/include/asm/atomic_32.h @@ -25,7 +25,7 @@ extern int atomic_cmpxchg(atomic_t *, int, int); extern int atomic_add_unless(atomic_t *, int, int); extern void atomic_set(atomic_t *, int); -#define atomic_read(v) ((v)->counter) +#define atomic_read(v) (*(volatile int *)&(v)->counter) #define atomic_add(i, v) ((void)__atomic_add_return( (int)(i), (v))) #define atomic_sub(i, v) ((void)__atomic_add_return(-(int)(i), (v))) diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h index f2e48009989e..2050ca02c423 100644 --- a/arch/sparc/include/asm/atomic_64.h +++ b/arch/sparc/include/asm/atomic_64.h @@ -13,8 +13,8 @@ #define ATOMIC_INIT(i) { (i) } #define ATOMIC64_INIT(i) { (i) } -#define atomic_read(v) ((v)->counter) -#define atomic64_read(v) ((v)->counter) +#define atomic_read(v) (*(volatile int *)&(v)->counter) +#define atomic64_read(v) (*(volatile long *)&(v)->counter) #define atomic_set(v, i) (((v)->counter) = i) #define atomic64_set(v, i) (((v)->counter) = i) diff --git a/arch/sparc/include/asm/bitops_64.h b/arch/sparc/include/asm/bitops_64.h index e72ac9cdfb98..766121a67a24 100644 --- a/arch/sparc/include/asm/bitops_64.h +++ b/arch/sparc/include/asm/bitops_64.h @@ -44,7 +44,7 @@ extern void change_bit(unsigned long nr, volatile unsigned long *addr); #ifdef ULTRA_HAS_POPULATION_COUNT -static inline unsigned int hweight64(unsigned long w) +static inline unsigned int __arch_hweight64(unsigned long w) { unsigned int res; @@ -52,7 +52,7 @@ static inline unsigned int hweight64(unsigned long w) return res; } -static inline unsigned int hweight32(unsigned int w) +static inline unsigned int __arch_hweight32(unsigned int w) { unsigned int res; @@ -60,7 +60,7 @@ static inline unsigned int hweight32(unsigned int w) return res; } -static inline unsigned int hweight16(unsigned int w) +static inline unsigned int __arch_hweight16(unsigned int w) { unsigned int res; @@ -68,7 +68,7 @@ static inline unsigned int hweight16(unsigned int w) return res; } -static inline unsigned int hweight8(unsigned int w) +static inline unsigned int __arch_hweight8(unsigned int w) { unsigned int res; @@ -78,9 +78,10 @@ static inline unsigned int hweight8(unsigned int w) #else -#include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/arch_hweight.h> #endif +#include <asm-generic/bitops/const_hweight.h> #include <asm-generic/bitops/lock.h> #endif /* __KERNEL__ */ diff --git a/arch/sparc/include/asm/cache.h b/arch/sparc/include/asm/cache.h index 2909f0ab6f9e..0588b8c7faa2 100644 --- a/arch/sparc/include/asm/cache.h +++ b/arch/sparc/include/asm/cache.h @@ -7,6 +7,8 @@ #ifndef _SPARC_CACHE_H #define _SPARC_CACHE_H +#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long) + #define L1_CACHE_SHIFT 5 #define L1_CACHE_BYTES 32 #define L1_CACHE_ALIGN(x) ((((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1))) diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h index 0e706257918f..5016f76ea98a 100644 --- a/arch/sparc/include/asm/compat.h +++ b/arch/sparc/include/asm/compat.h @@ -5,7 +5,8 @@ */ #include <linux/types.h> -#define COMPAT_USER_HZ 100 +#define COMPAT_USER_HZ 100 +#define COMPAT_UTS_MACHINE "sparc\0\0" typedef u32 compat_size_t; typedef s32 compat_ssize_t; diff --git a/arch/sparc/include/asm/cpudata_64.h b/arch/sparc/include/asm/cpudata_64.h index 926397d345ff..050ef35b9dcf 100644 --- a/arch/sparc/include/asm/cpudata_64.h +++ b/arch/sparc/include/asm/cpudata_64.h @@ -17,7 +17,7 @@ typedef struct { unsigned int __nmi_count; unsigned long clock_tick; /* %tick's per second */ unsigned long __pad; - unsigned int __pad1; + unsigned int irq0_irqs; unsigned int __pad2; /* Dcache line 2, rarely used */ diff --git a/arch/sparc/include/asm/device.h b/arch/sparc/include/asm/device.h index f3b85b6b0b76..d4c452147412 100644 --- a/arch/sparc/include/asm/device.h +++ b/arch/sparc/include/asm/device.h @@ -13,25 +13,10 @@ struct dev_archdata { void *iommu; void *stc; void *host_controller; - - struct device_node *prom_node; struct of_device *op; - int numa_node; }; -static inline void dev_archdata_set_node(struct dev_archdata *ad, - struct device_node *np) -{ - ad->prom_node = np; -} - -static inline struct device_node * -dev_archdata_get_node(const struct dev_archdata *ad) -{ - return ad->prom_node; -} - struct pdev_archdata { }; diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h index 5a8c308e2b5c..4b4a0c0b0ccd 100644 --- a/arch/sparc/include/asm/dma-mapping.h +++ b/arch/sparc/include/asm/dma-mapping.h @@ -8,7 +8,6 @@ #define DMA_ERROR_CODE (~(dma_addr_t)0x0) extern int dma_supported(struct device *dev, u64 mask); -extern int dma_set_mask(struct device *dev, u64 dma_mask); #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) @@ -62,4 +61,17 @@ static inline int dma_get_cache_alignment(void) return (1 << INTERNODE_CACHE_SHIFT); } +static inline int dma_set_mask(struct device *dev, u64 mask) +{ +#ifdef CONFIG_PCI + if (dev->bus == &pci_bus_type) { + if (!dev->dma_mask || !dma_supported(dev, mask)) + return -EINVAL; + *dev->dma_mask = mask; + return 0; + } +#endif + return -EINVAL; +} + #endif diff --git a/arch/sparc/include/asm/fb.h b/arch/sparc/include/asm/fb.h index b83e44729655..e834880be204 100644 --- a/arch/sparc/include/asm/fb.h +++ b/arch/sparc/include/asm/fb.h @@ -18,7 +18,7 @@ static inline int fb_is_primary_device(struct fb_info *info) struct device *dev = info->device; struct device_node *node; - node = dev->archdata.prom_node; + node = dev->of_node; if (node && node == of_console_device) return 1; diff --git a/arch/sparc/include/asm/fbio.h b/arch/sparc/include/asm/fbio.h index b9215a0907d3..0a21da87f7d6 100644 --- a/arch/sparc/include/asm/fbio.h +++ b/arch/sparc/include/asm/fbio.h @@ -173,7 +173,7 @@ struct mdi_cfginfo { int mdi_ncluts; /* Number of implemented CLUTs in this MDI */ int mdi_type; /* FBTYPE name */ int mdi_height; /* height */ - int mdi_width; /* widht */ + int mdi_width; /* width */ int mdi_size; /* available ram */ int mdi_mode; /* 8bpp, 16bpp or 32bpp */ int mdi_pixfreq; /* pixel clock (from PROM) */ diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h index 36439d67ad71..8fac3ab22f36 100644 --- a/arch/sparc/include/asm/floppy_64.h +++ b/arch/sparc/include/asm/floppy_64.h @@ -589,7 +589,7 @@ static unsigned long __init sun_floppy_init(void) if (!op) return 0; - state_prop = of_get_property(op->node, "status", NULL); + state_prop = of_get_property(op->dev.of_node, "status", NULL); if (state_prop && !strncmp(state_prop, "disabled", 8)) return 0; @@ -716,7 +716,7 @@ static unsigned long __init sun_floppy_init(void) return sun_floppy_types[0]; } - prop = of_get_property(op->node, "status", NULL); + prop = of_get_property(op->dev.of_node, "status", NULL); if (prop && !strncmp(state, "disabled", 8)) return 0; diff --git a/arch/sparc/include/asm/io_32.h b/arch/sparc/include/asm/io_32.h index 679c7504625a..2889574608db 100644 --- a/arch/sparc/include/asm/io_32.h +++ b/arch/sparc/include/asm/io_32.h @@ -249,10 +249,14 @@ extern void iounmap(volatile void __iomem *addr); #define ioread8(X) readb(X) #define ioread16(X) readw(X) +#define ioread16be(X) __raw_readw(X) #define ioread32(X) readl(X) +#define ioread32be(X) __raw_readl(X) #define iowrite8(val,X) writeb(val,X) #define iowrite16(val,X) writew(val,X) +#define iowrite16be(val,X) __raw_writew(val,X) #define iowrite32(val,X) writel(val,X) +#define iowrite32be(val,X) __raw_writel(val,X) static inline void ioread8_rep(void __iomem *port, void *buf, unsigned long count) { diff --git a/arch/sparc/include/asm/io_64.h b/arch/sparc/include/asm/io_64.h index 4aee21dc9c6f..9517d063c79c 100644 --- a/arch/sparc/include/asm/io_64.h +++ b/arch/sparc/include/asm/io_64.h @@ -468,10 +468,14 @@ static inline void iounmap(volatile void __iomem *addr) #define ioread8(X) readb(X) #define ioread16(X) readw(X) +#define ioread16be(X) __raw_readw(X) #define ioread32(X) readl(X) +#define ioread32be(X) __raw_readl(X) #define iowrite8(val,X) writeb(val,X) #define iowrite16(val,X) writew(val,X) +#define iowrite16be(val,X) __raw_writew(val,X) #define iowrite32(val,X) writel(val,X) +#define iowrite32be(val,X) __raw_writel(val,X) /* Create a virtual mapping cookie for an IO port range */ extern void __iomem *ioport_map(unsigned long port, unsigned int nr); diff --git a/arch/sparc/include/asm/irqflags_64.h b/arch/sparc/include/asm/irqflags_64.h index 8b49bf920df3..bfa1ea45b4cd 100644 --- a/arch/sparc/include/asm/irqflags_64.h +++ b/arch/sparc/include/asm/irqflags_64.h @@ -76,9 +76,26 @@ static inline int raw_irqs_disabled(void) */ static inline unsigned long __raw_local_irq_save(void) { - unsigned long flags = __raw_local_save_flags(); - - raw_local_irq_disable(); + unsigned long flags, tmp; + + /* Disable interrupts to PIL_NORMAL_MAX unless we already + * are using PIL_NMI, in which case PIL_NMI is retained. + * + * The only values we ever program into the %pil are 0, + * PIL_NORMAL_MAX and PIL_NMI. + * + * Since PIL_NMI is the largest %pil value and all bits are + * set in it (0xf), it doesn't matter what PIL_NORMAL_MAX + * actually is. + */ + __asm__ __volatile__( + "rdpr %%pil, %0\n\t" + "or %0, %2, %1\n\t" + "wrpr %1, 0x0, %%pil" + : "=r" (flags), "=r" (tmp) + : "i" (PIL_NORMAL_MAX) + : "memory" + ); return flags; } diff --git a/arch/sparc/include/asm/of_device.h b/arch/sparc/include/asm/of_device.h index a5d9811f9697..f320246a0586 100644 --- a/arch/sparc/include/asm/of_device.h +++ b/arch/sparc/include/asm/of_device.h @@ -14,7 +14,6 @@ */ struct of_device { - struct device_node *node; struct device dev; struct resource resource[PROMREG_MAX]; unsigned int irqs[PROMINTR_MAX]; diff --git a/arch/sparc/include/asm/parport.h b/arch/sparc/include/asm/parport.h index ff9ead640c4a..c333b8d0949b 100644 --- a/arch/sparc/include/asm/parport.h +++ b/arch/sparc/include/asm/parport.h @@ -113,7 +113,7 @@ static int __devinit ecpp_probe(struct of_device *op, const struct of_device_id struct parport *p; int slot, err; - parent = op->node->parent; + parent = op->dev.of_node->parent; if (!strcmp(parent->name, "dma")) { p = parport_pc_probe_port(base, base + 0x400, op->irqs[0], PARPORT_DMA_NOFIFO, @@ -232,8 +232,11 @@ static const struct of_device_id ecpp_match[] = { }; static struct of_platform_driver ecpp_driver = { - .name = "ecpp", - .match_table = ecpp_match, + .driver = { + .name = "ecpp", + .owner = THIS_MODULE, + .of_match_table = ecpp_match, + }, .probe = ecpp_probe, .remove = __devexit_p(ecpp_remove), }; diff --git a/arch/sparc/include/asm/pci_32.h b/arch/sparc/include/asm/pci_32.h index e769f668a4b5..332ac9ab36bc 100644 --- a/arch/sparc/include/asm/pci_32.h +++ b/arch/sparc/include/asm/pci_32.h @@ -32,20 +32,6 @@ static inline void pcibios_penalize_isa_irq(int irq, int active) struct pci_dev; -/* pci_unmap_{single,page} is not a nop, thus... */ -#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \ - dma_addr_t ADDR_NAME; -#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \ - __u32 LEN_NAME; -#define pci_unmap_addr(PTR, ADDR_NAME) \ - ((PTR)->ADDR_NAME) -#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \ - (((PTR)->ADDR_NAME) = (VAL)) -#define pci_unmap_len(PTR, LEN_NAME) \ - ((PTR)->LEN_NAME) -#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \ - (((PTR)->LEN_NAME) = (VAL)) - #ifdef CONFIG_PCI static inline void pci_dma_burst_advice(struct pci_dev *pdev, enum pci_dma_burst_strategy *strat, diff --git a/arch/sparc/include/asm/pci_64.h b/arch/sparc/include/asm/pci_64.h index b0576df6ec83..5312782f0b5e 100644 --- a/arch/sparc/include/asm/pci_64.h +++ b/arch/sparc/include/asm/pci_64.h @@ -32,20 +32,6 @@ static inline void pcibios_penalize_isa_irq(int irq, int active) */ #define PCI_DMA_BUS_IS_PHYS (0) -/* pci_unmap_{single,page} is not a nop, thus... */ -#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \ - dma_addr_t ADDR_NAME; -#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \ - __u32 LEN_NAME; -#define pci_unmap_addr(PTR, ADDR_NAME) \ - ((PTR)->ADDR_NAME) -#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \ - (((PTR)->ADDR_NAME) = (VAL)) -#define pci_unmap_len(PTR, LEN_NAME) \ - ((PTR)->LEN_NAME) -#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \ - (((PTR)->LEN_NAME) = (VAL)) - /* PCI IOMMU mapping bypass support. */ /* PCI 64-bit addressing works for all slots on all controller diff --git a/arch/sparc/include/asm/perfctr.h b/arch/sparc/include/asm/perfctr.h index 836873002b75..8d8720a8770d 100644 --- a/arch/sparc/include/asm/perfctr.h +++ b/arch/sparc/include/asm/perfctr.h @@ -10,8 +10,8 @@ * from enumeration below. The meaning of further arguments * are determined by the operation code. * - * int sys_perfctr(int opcode, unsigned long arg0, - * unsigned long arg1, unsigned long arg2) + * NOTE: This system call is no longer provided, use the perf_events + * infrastructure. * * Pointers which are passed by the user are pointers to 64-bit * integers. diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h index e0cabe790ec1..77f906d8cc21 100644 --- a/arch/sparc/include/asm/pgtable_32.h +++ b/arch/sparc/include/asm/pgtable_32.h @@ -330,9 +330,9 @@ BTFIXUPDEF_CALL(void, mmu_info, struct seq_file *) #define FAULT_CODE_WRITE 0x2 #define FAULT_CODE_USER 0x4 -BTFIXUPDEF_CALL(void, update_mmu_cache, struct vm_area_struct *, unsigned long, pte_t) +BTFIXUPDEF_CALL(void, update_mmu_cache, struct vm_area_struct *, unsigned long, pte_t *) -#define update_mmu_cache(vma,addr,pte) BTFIXUP_CALL(update_mmu_cache)(vma,addr,pte) +#define update_mmu_cache(vma,addr,ptep) BTFIXUP_CALL(update_mmu_cache)(vma,addr,ptep) BTFIXUPDEF_CALL(void, sparc_mapiorange, unsigned int, unsigned long, unsigned long, unsigned int) diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index f3cb790fa2ae..f5b5fa76c02d 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -706,7 +706,7 @@ extern unsigned long find_ecache_flush_span(unsigned long size); #define mmu_unlockarea(vaddr, len) do { } while(0) struct vm_area_struct; -extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t); +extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *); /* Encode and de-code a swap entry */ #define __swp_type(entry) (((entry).val >> PAGE_SHIFT) & 0xffUL) diff --git a/arch/sparc/include/asm/scatterlist.h b/arch/sparc/include/asm/scatterlist.h index e580f5581c88..433e45f05fd4 100644 --- a/arch/sparc/include/asm/scatterlist.h +++ b/arch/sparc/include/asm/scatterlist.h @@ -1,27 +1,9 @@ #ifndef _SPARC_SCATTERLIST_H #define _SPARC_SCATTERLIST_H -#include <asm/page.h> -#include <asm/types.h> - -struct scatterlist { -#ifdef CONFIG_DEBUG_SG - unsigned long sg_magic; -#endif - unsigned long page_link; - unsigned int offset; - - unsigned int length; - - dma_addr_t dma_address; - __u32 dma_length; -}; - -#define sg_dma_address(sg) ((sg)->dma_address) -#define sg_dma_len(sg) ((sg)->dma_length) +#include <asm-generic/scatterlist.h> #define ISA_DMA_THRESHOLD (~0UL) - #define ARCH_HAS_SG_CHAIN #endif /* !(_SPARC_SCATTERLIST_H) */ diff --git a/arch/sparc/include/asm/stat.h b/arch/sparc/include/asm/stat.h index 55db5eca08e2..a232e9e1f4e5 100644 --- a/arch/sparc/include/asm/stat.h +++ b/arch/sparc/include/asm/stat.h @@ -53,8 +53,8 @@ struct stat { ino_t st_ino; mode_t st_mode; short st_nlink; - uid_t st_uid; - gid_t st_gid; + unsigned short st_uid; + unsigned short st_gid; unsigned short st_rdev; off_t st_size; time_t st_atime; diff --git a/arch/sparc/include/asm/syscall.h b/arch/sparc/include/asm/syscall.h index 7486c605e23c..025a02ad2e31 100644 --- a/arch/sparc/include/asm/syscall.h +++ b/arch/sparc/include/asm/syscall.h @@ -5,6 +5,13 @@ #include <linux/sched.h> #include <asm/ptrace.h> +/* + * The syscall table always contains 32 bit pointers since we know that the + * address of the function to be called is (way) below 4GB. So the "int" + * type here is what we want [need] for both 32 bit and 64 bit systems. + */ +extern const unsigned int sys_call_table[]; + /* The system call number is given by the user in %g1 */ static inline long syscall_get_nr(struct task_struct *task, struct pt_regs *regs) diff --git a/arch/sparc/include/asm/system_64.h b/arch/sparc/include/asm/system_64.h index d47a98e66972..d24cfe16afc1 100644 --- a/arch/sparc/include/asm/system_64.h +++ b/arch/sparc/include/asm/system_64.h @@ -143,15 +143,7 @@ do { \ * and 2 stores in this critical code path. -DaveM */ #define switch_to(prev, next, last) \ -do { if (test_thread_flag(TIF_PERFCTR)) { \ - unsigned long __tmp; \ - read_pcr(__tmp); \ - current_thread_info()->pcr_reg = __tmp; \ - read_pic(__tmp); \ - current_thread_info()->kernel_cntd0 += (unsigned int)(__tmp);\ - current_thread_info()->kernel_cntd1 += ((__tmp) >> 32); \ - } \ - flush_tlb_pending(); \ +do { flush_tlb_pending(); \ save_and_clear_fpu(); \ /* If you are tempted to conditionalize the following */ \ /* so that ASI is only written if it changes, think again. */ \ @@ -197,11 +189,6 @@ do { if (test_thread_flag(TIF_PERFCTR)) { \ "l1", "l2", "l3", "l4", "l5", "l6", "l7", \ "i0", "i1", "i2", "i3", "i4", "i5", \ "o0", "o1", "o2", "o3", "o4", "o5", "o7"); \ - /* If you fuck with this, update ret_from_syscall code too. */ \ - if (test_thread_flag(TIF_PERFCTR)) { \ - write_pcr(current_thread_info()->pcr_reg); \ - reset_pic(); \ - } \ } while(0) static inline unsigned long xchg32(__volatile__ unsigned int *m, unsigned int val) diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h index 844d73a0340c..9dd0318d3ddf 100644 --- a/arch/sparc/include/asm/thread_info_32.h +++ b/arch/sparc/include/asm/thread_info_32.h @@ -132,7 +132,7 @@ BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *) * this quantum (SMP) */ #define TIF_POLLING_NRFLAG 9 /* true if poll_idle() is polling * TIF_NEED_RESCHED */ -#define TIF_MEMDIE 10 +#define TIF_MEMDIE 10 /* is terminating due to OOM killer */ #define TIF_FREEZE 11 /* is freezing for suspend */ /* as above, but as bit values */ diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h index 39be9f256e5a..fb2ea7705a46 100644 --- a/arch/sparc/include/asm/thread_info_64.h +++ b/arch/sparc/include/asm/thread_info_64.h @@ -58,11 +58,6 @@ struct thread_info { unsigned long gsr[7]; unsigned long xfsr[7]; - __u64 __user *user_cntd0; - __u64 __user *user_cntd1; - __u64 kernel_cntd0, kernel_cntd1; - __u64 pcr_reg; - struct restart_block restart_block; struct pt_regs *kern_una_regs; @@ -96,15 +91,10 @@ struct thread_info { #define TI_RWIN_SPTRS 0x000003c8 #define TI_GSR 0x00000400 #define TI_XFSR 0x00000438 -#define TI_USER_CNTD0 0x00000470 -#define TI_USER_CNTD1 0x00000478 -#define TI_KERN_CNTD0 0x00000480 -#define TI_KERN_CNTD1 0x00000488 -#define TI_PCR 0x00000490 -#define TI_RESTART_BLOCK 0x00000498 -#define TI_KUNA_REGS 0x000004c8 -#define TI_KUNA_INSN 0x000004d0 -#define TI_FPREGS 0x00000500 +#define TI_RESTART_BLOCK 0x00000470 +#define TI_KUNA_REGS 0x000004a0 +#define TI_KUNA_INSN 0x000004a8 +#define TI_FPREGS 0x000004c0 /* We embed this in the uppermost byte of thread_info->flags */ #define FAULT_CODE_WRITE 0x01 /* Write access, implies D-TLB */ @@ -121,7 +111,7 @@ struct thread_info { #define THREAD_SHIFT PAGE_SHIFT #endif /* PAGE_SHIFT == 13 */ -#define PREEMPT_ACTIVE 0x4000000 +#define PREEMPT_ACTIVE 0x10000000 /* * macros/functions for gaining access to the thread information structure @@ -199,7 +189,7 @@ register struct thread_info *current_thread_info_reg asm("g6"); * * On trap return we need to test several values: * - * user: need_resched, notify_resume, sigpending, wsaved, perfctr + * user: need_resched, notify_resume, sigpending, wsaved * kernel: fpdepth * * So to check for work in the kernel case we simply load the fpdepth @@ -220,7 +210,7 @@ register struct thread_info *current_thread_info_reg asm("g6"); #define TIF_NOTIFY_RESUME 1 /* callback before returning to user */ #define TIF_SIGPENDING 2 /* signal pending */ #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ -#define TIF_PERFCTR 4 /* performance counters active */ +/* flag bit 4 is available */ #define TIF_UNALIGNED 5 /* allowed to do unaligned accesses */ /* flag bit 6 is available */ #define TIF_32BIT 7 /* 32-bit binary */ @@ -233,7 +223,7 @@ register struct thread_info *current_thread_info_reg asm("g6"); * an immediate value in instructions such as andcc. */ /* flag bit 12 is available */ -#define TIF_MEMDIE 13 +#define TIF_MEMDIE 13 /* is terminating due to OOM killer */ #define TIF_POLLING_NRFLAG 14 #define TIF_FREEZE 15 /* is freezing for suspend */ @@ -241,7 +231,6 @@ register struct thread_info *current_thread_info_reg asm("g6"); #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) -#define _TIF_PERFCTR (1<<TIF_PERFCTR) #define _TIF_UNALIGNED (1<<TIF_UNALIGNED) #define _TIF_32BIT (1<<TIF_32BIT) #define _TIF_SECCOMP (1<<TIF_SECCOMP) @@ -252,7 +241,7 @@ register struct thread_info *current_thread_info_reg asm("g6"); #define _TIF_USER_WORK_MASK ((0xff << TI_FLAG_WSAVED_SHIFT) | \ _TIF_DO_NOTIFY_RESUME_MASK | \ - _TIF_NEED_RESCHED | _TIF_PERFCTR) + _TIF_NEED_RESCHED) #define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING) /* diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h index cb4b9bfd0d87..d0b3b01ac9d4 100644 --- a/arch/sparc/include/asm/unistd.h +++ b/arch/sparc/include/asm/unistd.h @@ -432,7 +432,9 @@ #define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPROCMASK #define __ARCH_WANT_SYS_RT_SIGSUSPEND -#ifndef __32bit_syscall_numbers__ +#ifdef __32bit_syscall_numbers__ +#define __ARCH_WANT_SYS_IPC +#else #define __ARCH_WANT_COMPAT_SYS_TIME #define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND #endif diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile index c6316142db4e..0c2dc1f24a9a 100644 --- a/arch/sparc/kernel/Makefile +++ b/arch/sparc/kernel/Makefile @@ -13,6 +13,14 @@ extra-y += init_task.o CPPFLAGS_vmlinux.lds := -Usparc -m$(BITS) extra-y += vmlinux.lds +ifdef CONFIG_FUNCTION_TRACER +# Do not profile debug and lowlevel utilities +CFLAGS_REMOVE_ftrace.o := -pg +CFLAGS_REMOVE_time_$(BITS).o := -pg +CFLAGS_REMOVE_perf_event.o := -pg +CFLAGS_REMOVE_pcr.o := -pg +endif + obj-$(CONFIG_SPARC32) += entry.o wof.o wuf.o obj-$(CONFIG_SPARC32) += etrap_32.o obj-$(CONFIG_SPARC32) += rtrap_32.o @@ -85,7 +93,7 @@ obj-$(CONFIG_KGDB) += kgdb_$(BITS).o obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o -CFLAGS_REMOVE_ftrace.o := -pg +obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o obj-$(CONFIG_EARLYFB) += btext.o obj-$(CONFIG_STACKTRACE) += stacktrace.o diff --git a/arch/sparc/kernel/apc.c b/arch/sparc/kernel/apc.c index 71ec90b9e316..b27476caa133 100644 --- a/arch/sparc/kernel/apc.c +++ b/arch/sparc/kernel/apc.c @@ -174,8 +174,11 @@ static struct of_device_id __initdata apc_match[] = { MODULE_DEVICE_TABLE(of, apc_match); static struct of_platform_driver apc_driver = { - .name = "apc", - .match_table = apc_match, + .driver = { + .name = "apc", + .owner = THIS_MODULE, + .of_match_table = apc_match, + }, .probe = apc_probe, }; diff --git a/arch/sparc/kernel/auxio_64.c b/arch/sparc/kernel/auxio_64.c index 9f52db2d441c..ddc84128b3c2 100644 --- a/arch/sparc/kernel/auxio_64.c +++ b/arch/sparc/kernel/auxio_64.c @@ -104,7 +104,7 @@ MODULE_DEVICE_TABLE(of, auxio_match); static int __devinit auxio_probe(struct of_device *dev, const struct of_device_id *match) { - struct device_node *dp = dev->node; + struct device_node *dp = dev->dev.of_node; unsigned long size; if (!strcmp(dp->parent->name, "ebus")) { @@ -132,10 +132,11 @@ static int __devinit auxio_probe(struct of_device *dev, const struct of_device_i } static struct of_platform_driver auxio_driver = { - .match_table = auxio_match, .probe = auxio_probe, - .driver = { - .name = "auxio", + .driver = { + .name = "auxio", + .owner = THIS_MODULE, + .of_match_table = auxio_match, }, }; diff --git a/arch/sparc/kernel/central.c b/arch/sparc/kernel/central.c index 4589ca33220f..434335f65823 100644 --- a/arch/sparc/kernel/central.c +++ b/arch/sparc/kernel/central.c @@ -5,6 +5,7 @@ #include <linux/kernel.h> #include <linux/types.h> +#include <linux/slab.h> #include <linux/string.h> #include <linux/init.h> #include <linux/of_device.h> @@ -148,10 +149,11 @@ static struct of_device_id __initdata clock_board_match[] = { }; static struct of_platform_driver clock_board_driver = { - .match_table = clock_board_match, .probe = clock_board_probe, - .driver = { - .name = "clock_board", + .driver = { + .name = "clock_board", + .owner = THIS_MODULE, + .of_match_table = clock_board_match, }, }; @@ -167,7 +169,7 @@ static int __devinit fhc_probe(struct of_device *op, goto out; } - if (!strcmp(op->node->parent->name, "central")) + if (!strcmp(op->dev.of_node->parent->name, "central")) p->central = true; p->pregs = of_ioremap(&op->resource[0], 0, @@ -182,7 +184,7 @@ static int __devinit fhc_probe(struct of_device *op, reg = upa_readl(p->pregs + FHC_PREGS_BSR); p->board_num = ((reg >> 16) & 1) | ((reg >> 12) & 0x0e); } else { - p->board_num = of_getintprop_default(op->node, "board#", -1); + p->board_num = of_getintprop_default(op->dev.of_node, "board#", -1); if (p->board_num == -1) { printk(KERN_ERR "fhc: No board# property\n"); goto out_unmap_pregs; @@ -253,10 +255,11 @@ static struct of_device_id __initdata fhc_match[] = { }; static struct of_platform_driver fhc_driver = { - .match_table = fhc_match, .probe = fhc_probe, - .driver = { - .name = "fhc", + .driver = { + .name = "fhc", + .owner = THIS_MODULE, + .of_match_table = fhc_match, }, }; diff --git a/arch/sparc/kernel/chmc.c b/arch/sparc/kernel/chmc.c index e1a9598e2a4d..870cb65b3f21 100644 --- a/arch/sparc/kernel/chmc.c +++ b/arch/sparc/kernel/chmc.c @@ -425,7 +425,7 @@ static int __devinit jbusmc_probe(struct of_device *op, INIT_LIST_HEAD(&p->list); err = -ENODEV; - prop = of_get_property(op->node, "portid", &len); + prop = of_get_property(op->dev.of_node, "portid", &len); if (!prop || len != 4) { printk(KERN_ERR PFX "Cannot find portid.\n"); goto out_free; @@ -433,7 +433,7 @@ static int __devinit jbusmc_probe(struct of_device *op, p->portid = *prop; - prop = of_get_property(op->node, "memory-control-register-1", &len); + prop = of_get_property(op->dev.of_node, "memory-control-register-1", &len); if (!prop || len != 8) { printk(KERN_ERR PFX "Cannot get memory control register 1.\n"); goto out_free; @@ -449,7 +449,7 @@ static int __devinit jbusmc_probe(struct of_device *op, } err = -ENODEV; - ml = of_get_property(op->node, "memory-layout", &p->layout_len); + ml = of_get_property(op->dev.of_node, "memory-layout", &p->layout_len); if (!ml) { printk(KERN_ERR PFX "Cannot get memory layout property.\n"); goto out_iounmap; @@ -466,7 +466,7 @@ static int __devinit jbusmc_probe(struct of_device *op, mc_list_add(&p->list); printk(KERN_INFO PFX "UltraSPARC-IIIi memory controller at %s\n", - op->node->full_name); + op->dev.of_node->full_name); dev_set_drvdata(&op->dev, p); @@ -693,7 +693,7 @@ static void chmc_fetch_decode_regs(struct chmc *p) static int __devinit chmc_probe(struct of_device *op, const struct of_device_id *match) { - struct device_node *dp = op->node; + struct device_node *dp = op->dev.of_node; unsigned long ver; const void *pval; int len, portid; @@ -811,8 +811,11 @@ static const struct of_device_id us3mc_match[] = { MODULE_DEVICE_TABLE(of, us3mc_match); static struct of_platform_driver us3mc_driver = { - .name = "us3mc", - .match_table = us3mc_match, + .driver = { + .name = "us3mc", + .owner = THIS_MODULE, + .of_match_table = us3mc_match, + }, .probe = us3mc_probe, .remove = __devexit_p(us3mc_remove), }; diff --git a/arch/sparc/kernel/cpumap.c b/arch/sparc/kernel/cpumap.c index 7430ed080b23..8de64c8126bc 100644 --- a/arch/sparc/kernel/cpumap.c +++ b/arch/sparc/kernel/cpumap.c @@ -4,6 +4,7 @@ */ #include <linux/module.h> +#include <linux/slab.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/cpumask.h> diff --git a/arch/sparc/kernel/devices.c b/arch/sparc/kernel/devices.c index b171ae8de90d..62dc7a021413 100644 --- a/arch/sparc/kernel/devices.c +++ b/arch/sparc/kernel/devices.c @@ -59,7 +59,7 @@ static int __cpu_find_by(int (*compare)(int, int, void *), void *compare_arg, cur_inst = 0; for_each_node_by_type(dp, "cpu") { - int err = check_cpu_node(dp->node, &cur_inst, + int err = check_cpu_node(dp->phandle, &cur_inst, compare, compare_arg, prom_node, mid); if (!err) { @@ -143,6 +143,4 @@ void __init device_scan(void) if (ARCH_SUN4C) sun4c_probe_memerr_reg(); - - return; } diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h index 4f53a2395ac6..c011b932bb17 100644 --- a/arch/sparc/kernel/entry.h +++ b/arch/sparc/kernel/entry.h @@ -48,7 +48,6 @@ extern void __init boot_cpu_id_too_large(int cpu); extern unsigned int dcache_parity_tl1_occurred; extern unsigned int icache_parity_tl1_occurred; -extern asmlinkage void update_perfctrs(void); extern asmlinkage void sparc_breakpoint(struct pt_regs *regs); extern void timer_interrupt(int irq, struct pt_regs *regs); diff --git a/arch/sparc/kernel/ftrace.c b/arch/sparc/kernel/ftrace.c index 29973daa9930..03ab022e51c5 100644 --- a/arch/sparc/kernel/ftrace.c +++ b/arch/sparc/kernel/ftrace.c @@ -13,7 +13,7 @@ static const u32 ftrace_nop = 0x01000000; static u32 ftrace_call_replace(unsigned long ip, unsigned long addr) { - static u32 call; + u32 call; s32 off; off = ((s32)addr - (s32)ip); @@ -92,13 +92,60 @@ int __init ftrace_dyn_arch_init(void *data) } #endif -#ifdef CONFIG_FTRACE_SYSCALLS +#ifdef CONFIG_FUNCTION_GRAPH_TRACER -extern unsigned int sys_call_table[]; +#ifdef CONFIG_DYNAMIC_FTRACE +extern void ftrace_graph_call(void); -unsigned long __init arch_syscall_addr(int nr) +int ftrace_enable_ftrace_graph_caller(void) { - return (unsigned long)sys_call_table[nr]; + unsigned long ip = (unsigned long)(&ftrace_graph_call); + u32 old, new; + + old = *(u32 *) &ftrace_graph_call; + new = ftrace_call_replace(ip, (unsigned long) &ftrace_graph_caller); + return ftrace_modify_code(ip, old, new); } -#endif +int ftrace_disable_ftrace_graph_caller(void) +{ + unsigned long ip = (unsigned long)(&ftrace_graph_call); + u32 old, new; + + old = *(u32 *) &ftrace_graph_call; + new = ftrace_call_replace(ip, (unsigned long) &ftrace_stub); + + return ftrace_modify_code(ip, old, new); +} + +#endif /* !CONFIG_DYNAMIC_FTRACE */ + +/* + * Hook the return address and push it in the stack of return addrs + * in current thread info. + */ +unsigned long prepare_ftrace_return(unsigned long parent, + unsigned long self_addr, + unsigned long frame_pointer) +{ + unsigned long return_hooker = (unsigned long) &return_to_handler; + struct ftrace_graph_ent trace; + + if (unlikely(atomic_read(¤t->tracing_graph_pause))) + return parent + 8UL; + + if (ftrace_push_return_trace(parent, self_addr, &trace.depth, + frame_pointer) == -EBUSY) + return parent + 8UL; + + trace.func = self_addr; + + /* Only trace if the calling function expects to */ + if (!ftrace_graph_entry(&trace)) { + current->curr_ret_stack--; + return parent + 8UL; + } + + return return_hooker; +} +#endif /* CONFIG_FUNCTION_GRAPH_TRACER */ diff --git a/arch/sparc/kernel/helpers.S b/arch/sparc/kernel/helpers.S index 314dd0c9fc5b..92090cc9e829 100644 --- a/arch/sparc/kernel/helpers.S +++ b/arch/sparc/kernel/helpers.S @@ -46,6 +46,81 @@ stack_trace_flush: nop .size stack_trace_flush,.-stack_trace_flush +#ifdef CONFIG_PERF_EVENTS + .globl perf_arch_fetch_caller_regs + .type perf_arch_fetch_caller_regs,#function +perf_arch_fetch_caller_regs: + /* We always read the %pstate into %o5 since we will use + * that to construct a fake %tstate to store into the regs. + */ + rdpr %pstate, %o5 + brz,pn %o2, 50f + mov %o2, %g7 + + /* Turn off interrupts while we walk around the register + * window by hand. + */ + wrpr %o5, PSTATE_IE, %pstate + + /* The %canrestore tells us how many register windows are + * still live in the chip above us, past that we have to + * walk the frame as saved on the stack. We stash away + * the %cwp in %g1 so we can return back to the original + * register window. + */ + rdpr %cwp, %g1 + rdpr %canrestore, %g2 + sub %g1, 1, %g3 + + /* We have the skip count in %g7, if it hits zero then + * %fp/%i7 are the registers we need. Otherwise if our + * %canrestore count maintained in %g2 hits zero we have + * to start traversing the stack. + */ +10: brz,pn %g2, 4f + sub %g2, 1, %g2 + wrpr %g3, %cwp + subcc %g7, 1, %g7 + bne,pt %xcc, 10b + sub %g3, 1, %g3 + + /* We found the values we need in the cpu's register + * windows. + */ + mov %fp, %g3 + ba,pt %xcc, 3f + mov %i7, %g2 + +50: mov %fp, %g3 + ba,pt %xcc, 2f + mov %i7, %g2 + + /* We hit the end of the valid register windows in the + * cpu, start traversing the stack frame. + */ +4: mov %fp, %g3 + +20: ldx [%g3 + STACK_BIAS + RW_V9_I7], %g2 + subcc %g7, 1, %g7 + bne,pn %xcc, 20b + ldx [%g3 + STACK_BIAS + RW_V9_I6], %g3 + + /* Restore the current register window position and + * re-enable interrupts. + */ +3: wrpr %g1, %cwp + wrpr %o5, %pstate + +2: stx %g3, [%o0 + PT_V9_FP] + sllx %o5, 8, %o5 + stx %o5, [%o0 + PT_V9_TSTATE] + stx %g2, [%o0 + PT_V9_TPC] + add %g2, 4, %g2 + retl + stx %g2, [%o0 + PT_V9_TNPC] + .size perf_arch_fetch_caller_regs,.-perf_arch_fetch_caller_regs +#endif /* CONFIG_PERF_EVENTS */ + #ifdef CONFIG_SMP .globl hard_smp_processor_id .type hard_smp_processor_id,#function diff --git a/arch/sparc/kernel/hvapi.c b/arch/sparc/kernel/hvapi.c index 1d272c3b5740..7c60afb835b0 100644 --- a/arch/sparc/kernel/hvapi.c +++ b/arch/sparc/kernel/hvapi.c @@ -5,7 +5,6 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/slab.h> #include <asm/hypervisor.h> #include <asm/oplib.h> diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c index 5fad94950e76..47977a77f6c6 100644 --- a/arch/sparc/kernel/iommu.c +++ b/arch/sparc/kernel/iommu.c @@ -6,6 +6,7 @@ #include <linux/kernel.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/delay.h> #include <linux/device.h> #include <linux/dma-mapping.h> @@ -862,13 +863,3 @@ int dma_supported(struct device *dev, u64 device_mask) return 0; } EXPORT_SYMBOL(dma_supported); - -int dma_set_mask(struct device *dev, u64 dma_mask) -{ -#ifdef CONFIG_PCI - if (dev->bus == &pci_bus_type) - return pci_set_dma_mask(to_pci_dev(dev), dma_mask); -#endif - return -EINVAL; -} -EXPORT_SYMBOL(dma_set_mask); diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index 3c8c44f6a41c..703e4aa9bc38 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -290,7 +290,7 @@ static void *sbus_alloc_coherent(struct device *dev, size_t len, if (mmu_map_dma_area(dev, dma_addrp, va, res->start, len_total) != 0) goto err_noiommu; - res->name = op->node->name; + res->name = op->dev.of_node->name; return (void *)(unsigned long)res->start; @@ -676,17 +676,6 @@ int dma_supported(struct device *dev, u64 mask) } EXPORT_SYMBOL(dma_supported); -int dma_set_mask(struct device *dev, u64 dma_mask) -{ -#ifdef CONFIG_PCI - if (dev->bus == &pci_bus_type) - return pci_set_dma_mask(to_pci_dev(dev), dma_mask); -#endif - return -EOPNOTSUPP; -} -EXPORT_SYMBOL(dma_set_mask); - - #ifdef CONFIG_PROC_FS static int sparc_io_proc_show(struct seq_file *m, void *v) diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c index e1cbdb94d97b..830d70a3e20b 100644 --- a/arch/sparc/kernel/irq_64.c +++ b/arch/sparc/kernel/irq_64.c @@ -20,7 +20,9 @@ #include <linux/delay.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> +#include <linux/ftrace.h> #include <linux/irq.h> +#include <linux/kmemleak.h> #include <asm/ptrace.h> #include <asm/processor.h> @@ -45,6 +47,7 @@ #include "entry.h" #include "cpumap.h" +#include "kstack.h" #define NUM_IVECS (IMAP_INR + 1) @@ -647,6 +650,14 @@ unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino) bucket = kzalloc(sizeof(struct ino_bucket), GFP_ATOMIC); if (unlikely(!bucket)) return 0; + + /* The only reference we store to the IRQ bucket is + * by physical address which kmemleak can't see, tell + * it that this object explicitly is not a leak and + * should be scanned. + */ + kmemleak_not_leak(bucket); + __flush_dcache_range((unsigned long) bucket, ((unsigned long) bucket + sizeof(struct ino_bucket))); @@ -703,25 +714,7 @@ void ack_bad_irq(unsigned int virt_irq) void *hardirq_stack[NR_CPUS]; void *softirq_stack[NR_CPUS]; -static __attribute__((always_inline)) void *set_hardirq_stack(void) -{ - void *orig_sp, *sp = hardirq_stack[smp_processor_id()]; - - __asm__ __volatile__("mov %%sp, %0" : "=r" (orig_sp)); - if (orig_sp < sp || - orig_sp > (sp + THREAD_SIZE)) { - sp += THREAD_SIZE - 192 - STACK_BIAS; - __asm__ __volatile__("mov %0, %%sp" : : "r" (sp)); - } - - return orig_sp; -} -static __attribute__((always_inline)) void restore_hardirq_stack(void *orig_sp) -{ - __asm__ __volatile__("mov %0, %%sp" : : "r" (orig_sp)); -} - -void handler_irq(int irq, struct pt_regs *regs) +void __irq_entry handler_irq(int irq, struct pt_regs *regs) { unsigned long pstate, bucket_pa; struct pt_regs *old_regs; diff --git a/arch/sparc/kernel/kgdb_32.c b/arch/sparc/kernel/kgdb_32.c index 04df4edc0073..539243b236fa 100644 --- a/arch/sparc/kernel/kgdb_32.c +++ b/arch/sparc/kernel/kgdb_32.c @@ -158,6 +158,12 @@ void kgdb_arch_exit(void) { } +void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip) +{ + regs->pc = ip; + regs->npc = regs->pc + 4; +} + struct kgdb_arch arch_kgdb_ops = { /* Breakpoint instruction: ta 0x7d */ .gdb_bpt_instr = { 0x91, 0xd0, 0x20, 0x7d }, diff --git a/arch/sparc/kernel/kgdb_64.c b/arch/sparc/kernel/kgdb_64.c index f5a0fd490b59..768290a6c028 100644 --- a/arch/sparc/kernel/kgdb_64.c +++ b/arch/sparc/kernel/kgdb_64.c @@ -5,6 +5,7 @@ #include <linux/kgdb.h> #include <linux/kdebug.h> +#include <linux/ftrace.h> #include <asm/kdebug.h> #include <asm/ptrace.h> @@ -108,7 +109,7 @@ void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs) } #ifdef CONFIG_SMP -void smp_kgdb_capture_client(int irq, struct pt_regs *regs) +void __irq_entry smp_kgdb_capture_client(int irq, struct pt_regs *regs) { unsigned long flags; @@ -180,6 +181,12 @@ void kgdb_arch_exit(void) { } +void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip) +{ + regs->tpc = ip; + regs->tnpc = regs->tpc + 4; +} + struct kgdb_arch arch_kgdb_ops = { /* Breakpoint instruction: ta 0x72 */ .gdb_bpt_instr = { 0x91, 0xd0, 0x20, 0x72 }, diff --git a/arch/sparc/kernel/kprobes.c b/arch/sparc/kernel/kprobes.c index 6716584e48ab..a39d1ba5a119 100644 --- a/arch/sparc/kernel/kprobes.c +++ b/arch/sparc/kernel/kprobes.c @@ -7,6 +7,7 @@ #include <linux/kprobes.h> #include <linux/module.h> #include <linux/kdebug.h> +#include <linux/slab.h> #include <asm/signal.h> #include <asm/cacheflush.h> #include <asm/uaccess.h> diff --git a/arch/sparc/kernel/kstack.h b/arch/sparc/kernel/kstack.h index 4248d969272f..53dfb92e09fb 100644 --- a/arch/sparc/kernel/kstack.h +++ b/arch/sparc/kernel/kstack.h @@ -11,6 +11,10 @@ static inline bool kstack_valid(struct thread_info *tp, unsigned long sp) { unsigned long base = (unsigned long) tp; + /* Stack pointer must be 16-byte aligned. */ + if (sp & (16UL - 1)) + return false; + if (sp >= (base + sizeof(struct thread_info)) && sp <= (base + THREAD_SIZE - sizeof(struct sparc_stackf))) return true; @@ -57,4 +61,23 @@ check_magic: } +static inline __attribute__((always_inline)) void *set_hardirq_stack(void) +{ + void *orig_sp, *sp = hardirq_stack[smp_processor_id()]; + + __asm__ __volatile__("mov %%sp, %0" : "=r" (orig_sp)); + if (orig_sp < sp || + orig_sp > (sp + THREAD_SIZE)) { + sp += THREAD_SIZE - 192 - STACK_BIAS; + __asm__ __volatile__("mov %0, %%sp" : : "r" (sp)); + } + + return orig_sp; +} + +static inline __attribute__((always_inline)) void restore_hardirq_stack(void *orig_sp) +{ + __asm__ __volatile__("mov %0, %%sp" : : "r" (orig_sp)); +} + #endif /* _KSTACK_H */ diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c index 00d034ea2164..3ae36f36e758 100644 --- a/arch/sparc/kernel/led.c +++ b/arch/sparc/kernel/led.c @@ -3,6 +3,7 @@ #include <linux/init.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> +#include <linux/slab.h> #include <linux/string.h> #include <linux/jiffies.h> #include <linux/timer.h> diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c index 87f1760c0aa2..6a7b4dbc8e09 100644 --- a/arch/sparc/kernel/leon_kernel.c +++ b/arch/sparc/kernel/leon_kernel.c @@ -7,7 +7,6 @@ #include <linux/module.h> #include <linux/errno.h> #include <linux/mutex.h> -#include <linux/slab.h> #include <linux/of.h> #include <linux/of_platform.h> #include <linux/interrupt.h> @@ -124,7 +123,7 @@ void __init leon_init_timers(irq_handler_t counter_fn) if (!(LEON3_BYPASS_LOAD_PA(&leon3_gptimer_regs->config) & (1<<LEON3_GPTIMER_SEPIRQ))) { - prom_printf("irq timer not configured with seperate irqs \n"); + prom_printf("irq timer not configured with separate irqs\n"); BUG(); } diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c index 05c0dadd6371..e1656fc41ccb 100644 --- a/arch/sparc/kernel/leon_smp.c +++ b/arch/sparc/kernel/leon_smp.c @@ -22,6 +22,7 @@ #include <linux/profile.h> #include <linux/pm.h> #include <linux/delay.h> +#include <linux/gfp.h> #include <asm/cacheflush.h> #include <asm/tlbflush.h> @@ -177,7 +178,7 @@ void __init leon_boot_cpus(void) int nrcpu = leon_smp_nrcpus(); int me = smp_processor_id(); - printk(KERN_INFO "%d:(%d:%d) cpus mpirq at 0x%x \n", (unsigned int)me, + printk(KERN_INFO "%d:(%d:%d) cpus mpirq at 0x%x\n", (unsigned int)me, (unsigned int)nrcpu, (unsigned int)NR_CPUS, (unsigned int)&(leon3_irqctrl_regs->mpstatus)); @@ -226,7 +227,7 @@ int __cpuinit leon_boot_one_cpu(int i) break; udelay(200); } - printk(KERN_INFO "Started CPU %d \n", (unsigned int)i); + printk(KERN_INFO "Started CPU %d\n", (unsigned int)i); if (!(cpu_callin_map[i])) { printk(KERN_ERR "Processor %d is stuck.\n", i); diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c index 0ee642f63234..f848aadf54dc 100644 --- a/arch/sparc/kernel/module.c +++ b/arch/sparc/kernel/module.c @@ -9,9 +9,9 @@ #include <linux/elf.h> #include <linux/vmalloc.h> #include <linux/fs.h> +#include <linux/gfp.h> #include <linux/string.h> #include <linux/ctype.h> -#include <linux/slab.h> #include <linux/mm.h> #include <asm/processor.h> diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c index d242a7340541..a4bd7ba74c89 100644 --- a/arch/sparc/kernel/nmi.c +++ b/arch/sparc/kernel/nmi.c @@ -21,9 +21,10 @@ #include <asm/perf_event.h> #include <asm/ptrace.h> -#include <asm/local.h> #include <asm/pcr.h> +#include "kstack.h" + /* We don't have a real NMI on sparc64, but we can fake one * up using profiling counter overflow interrupts and interrupt * levels. @@ -93,7 +94,7 @@ static void die_nmi(const char *str, struct pt_regs *regs, int do_panic) notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs) { unsigned int sum, touched = 0; - int cpu = smp_processor_id(); + void *orig_sp; clear_softint(1 << irq); @@ -101,31 +102,35 @@ notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs) nmi_enter(); + orig_sp = set_hardirq_stack(); + if (notify_die(DIE_NMI, "nmi", regs, 0, pt_regs_trap_type(regs), SIGINT) == NOTIFY_STOP) touched = 1; else pcr_ops->write(PCR_PIC_PRIV); - sum = kstat_irqs_cpu(0, cpu); + sum = local_cpu_data().irq0_irqs; if (__get_cpu_var(nmi_touch)) { __get_cpu_var(nmi_touch) = 0; touched = 1; } if (!touched && __get_cpu_var(last_irq_sum) == sum) { - __this_cpu_inc(per_cpu_var(alert_counter)); - if (__this_cpu_read(per_cpu_var(alert_counter)) == 30 * nmi_hz) + __this_cpu_inc(alert_counter); + if (__this_cpu_read(alert_counter) == 30 * nmi_hz) die_nmi("BUG: NMI Watchdog detected LOCKUP", regs, panic_on_timeout); } else { __get_cpu_var(last_irq_sum) = sum; - __this_cpu_write(per_cpu_var(alert_counter), 0); + __this_cpu_write(alert_counter, 0); } if (__get_cpu_var(wd_enabled)) { write_pic(picl_value(nmi_hz)); pcr_ops->write(pcr_enable); } + restore_hardirq_stack(orig_sp); + nmi_exit(); } diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c index 4c26eb59e742..47e63f1e719c 100644 --- a/arch/sparc/kernel/of_device_32.c +++ b/arch/sparc/kernel/of_device_32.c @@ -105,7 +105,7 @@ static unsigned long of_bus_sbus_get_flags(const u32 *addr, unsigned long flags) static int of_bus_ambapp_match(struct device_node *np) { - return !strcmp(np->name, "ambapp"); + return !strcmp(np->type, "ambapp"); } static void of_bus_ambapp_count_cells(struct device_node *child, @@ -254,10 +254,10 @@ static void __init build_device_resources(struct of_device *op, return; p_op = to_of_device(parent); - bus = of_match_bus(p_op->node); - bus->count_cells(op->node, &na, &ns); + bus = of_match_bus(p_op->dev.of_node); + bus->count_cells(op->dev.of_node, &na, &ns); - preg = of_get_property(op->node, bus->addr_prop_name, &num_reg); + preg = of_get_property(op->dev.of_node, bus->addr_prop_name, &num_reg); if (!preg || num_reg == 0) return; @@ -271,8 +271,8 @@ static void __init build_device_resources(struct of_device *op, struct resource *r = &op->resource[index]; u32 addr[OF_MAX_ADDR_CELLS]; const u32 *reg = (preg + (index * ((na + ns) * 4))); - struct device_node *dp = op->node; - struct device_node *pp = p_op->node; + struct device_node *dp = op->dev.of_node; + struct device_node *pp = p_op->dev.of_node; struct of_bus *pbus, *dbus; u64 size, result = OF_BAD_ADDR; unsigned long flags; @@ -321,7 +321,7 @@ static void __init build_device_resources(struct of_device *op, if (of_resource_verbose) printk("%s reg[%d] -> %llx\n", - op->node->full_name, index, + op->dev.of_node->full_name, index, result); if (result != OF_BAD_ADDR) { @@ -329,7 +329,7 @@ static void __init build_device_resources(struct of_device *op, r->end = result + size - 1; r->flags = flags | ((result >> 32ULL) & 0xffUL); } - r->name = op->node->name; + r->name = op->dev.of_node->name; } } @@ -345,10 +345,9 @@ static struct of_device * __init scan_one_device(struct device_node *dp, return NULL; sd = &op->dev.archdata; - sd->prom_node = dp; sd->op = op; - op->node = dp; + op->dev.of_node = dp; op->clock_freq = of_getintprop_default(dp, "clock-frequency", (25*1000*1000)); @@ -433,7 +432,7 @@ build_resources: if (!parent) dev_set_name(&op->dev, "root"); else - dev_set_name(&op->dev, "%08x", dp->node); + dev_set_name(&op->dev, "%08x", dp->phandle); if (of_device_register(op)) { printk("%s: Could not register of device.\n", diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c index 0a6f2d1798d1..1dae8079f728 100644 --- a/arch/sparc/kernel/of_device_64.c +++ b/arch/sparc/kernel/of_device_64.c @@ -323,10 +323,10 @@ static void __init build_device_resources(struct of_device *op, return; p_op = to_of_device(parent); - bus = of_match_bus(p_op->node); - bus->count_cells(op->node, &na, &ns); + bus = of_match_bus(p_op->dev.of_node); + bus->count_cells(op->dev.of_node, &na, &ns); - preg = of_get_property(op->node, bus->addr_prop_name, &num_reg); + preg = of_get_property(op->dev.of_node, bus->addr_prop_name, &num_reg); if (!preg || num_reg == 0) return; @@ -340,7 +340,7 @@ static void __init build_device_resources(struct of_device *op, if (num_reg > PROMREG_MAX) { printk(KERN_WARNING "%s: Too many regs (%d), " "limiting to %d.\n", - op->node->full_name, num_reg, PROMREG_MAX); + op->dev.of_node->full_name, num_reg, PROMREG_MAX); num_reg = PROMREG_MAX; } @@ -348,8 +348,8 @@ static void __init build_device_resources(struct of_device *op, struct resource *r = &op->resource[index]; u32 addr[OF_MAX_ADDR_CELLS]; const u32 *reg = (preg + (index * ((na + ns) * 4))); - struct device_node *dp = op->node; - struct device_node *pp = p_op->node; + struct device_node *dp = op->dev.of_node; + struct device_node *pp = p_op->dev.of_node; struct of_bus *pbus, *dbus; u64 size, result = OF_BAD_ADDR; unsigned long flags; @@ -397,7 +397,7 @@ static void __init build_device_resources(struct of_device *op, if (of_resource_verbose) printk("%s reg[%d] -> %llx\n", - op->node->full_name, index, + op->dev.of_node->full_name, index, result); if (result != OF_BAD_ADDR) { @@ -408,7 +408,7 @@ static void __init build_device_resources(struct of_device *op, r->end = result + size - 1; r->flags = flags; } - r->name = op->node->name; + r->name = op->dev.of_node->name; } } @@ -530,7 +530,7 @@ static unsigned int __init build_one_device_irq(struct of_device *op, struct device *parent, unsigned int irq) { - struct device_node *dp = op->node; + struct device_node *dp = op->dev.of_node; struct device_node *pp, *ip; unsigned int orig_irq = irq; int nid; @@ -575,7 +575,7 @@ static unsigned int __init build_one_device_irq(struct of_device *op, if (of_irq_verbose) printk("%s: Apply [%s:%x] imap --> [%s:%x]\n", - op->node->full_name, + op->dev.of_node->full_name, pp->full_name, this_orig_irq, (iret ? iret->full_name : "NULL"), irq); @@ -594,7 +594,7 @@ static unsigned int __init build_one_device_irq(struct of_device *op, if (of_irq_verbose) printk("%s: PCI swizzle [%s] " "%x --> %x\n", - op->node->full_name, + op->dev.of_node->full_name, pp->full_name, this_orig_irq, irq); @@ -611,11 +611,11 @@ static unsigned int __init build_one_device_irq(struct of_device *op, if (!ip) return orig_irq; - irq = ip->irq_trans->irq_build(op->node, irq, + irq = ip->irq_trans->irq_build(op->dev.of_node, irq, ip->irq_trans->data); if (of_irq_verbose) printk("%s: Apply IRQ trans [%s] %x --> %x\n", - op->node->full_name, ip->full_name, orig_irq, irq); + op->dev.of_node->full_name, ip->full_name, orig_irq, irq); out: nid = of_node_to_nid(dp); @@ -640,10 +640,9 @@ static struct of_device * __init scan_one_device(struct device_node *dp, return NULL; sd = &op->dev.archdata; - sd->prom_node = dp; sd->op = op; - op->node = dp; + op->dev.of_node = dp; op->clock_freq = of_getintprop_default(dp, "clock-frequency", (25*1000*1000)); @@ -676,7 +675,7 @@ static struct of_device * __init scan_one_device(struct device_node *dp, if (!parent) dev_set_name(&op->dev, "root"); else - dev_set_name(&op->dev, "%08x", dp->node); + dev_set_name(&op->dev, "%08x", dp->phandle); if (of_device_register(op)) { printk("%s: Could not register of device.\n", diff --git a/arch/sparc/kernel/of_device_common.c b/arch/sparc/kernel/of_device_common.c index cb8eb799bb6c..10c6c36a6e75 100644 --- a/arch/sparc/kernel/of_device_common.c +++ b/arch/sparc/kernel/of_device_common.c @@ -4,7 +4,6 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/mod_devicetable.h> -#include <linux/slab.h> #include <linux/errno.h> #include <linux/irq.h> #include <linux/of_device.h> @@ -17,7 +16,7 @@ static int node_match(struct device *dev, void *data) struct of_device *op = to_of_device(dev); struct device_node *dp = data; - return (op->node == dp); + return (op->dev.of_node == dp); } struct of_device *of_find_device_by_node(struct device_node *dp) @@ -49,7 +48,7 @@ EXPORT_SYMBOL(irq_of_parse_and_map); void of_propagate_archdata(struct of_device *bus) { struct dev_archdata *bus_sd = &bus->dev.archdata; - struct device_node *bus_dp = bus->node; + struct device_node *bus_dp = bus->dev.of_node; struct device_node *dp; for (dp = bus_dp->child; dp; dp = dp->sibling) { diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index 539e83f8e087..8a8363adb8bd 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -247,6 +247,7 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm, struct pci_bus *bus, int devfn) { struct dev_archdata *sd; + struct pci_slot *slot; struct of_device *op; struct pci_dev *dev; const char *type; @@ -260,7 +261,6 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm, sd->iommu = pbm->iommu; sd->stc = &pbm->stc; sd->host_controller = pbm; - sd->prom_node = node; sd->op = op = of_find_device_by_node(node); sd->numa_node = pbm->numa_node; @@ -284,8 +284,14 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm, dev->sysdata = node; dev->dev.parent = bus->bridge; dev->dev.bus = &pci_bus_type; + dev->dev.of_node = node; dev->devfn = devfn; dev->multifunction = 0; /* maybe a lie? */ + set_pcie_port_type(dev); + + list_for_each_entry(slot, &dev->bus->slots, list) + if (PCI_SLOT(dev->devfn) == slot->number) + dev->slot = slot; dev->vendor = of_getintprop_default(node, "vendor-id", 0xffff); dev->device = of_getintprop_default(node, "device-id", 0xffff); @@ -322,6 +328,7 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm, dev->current_state = 4; /* unknown power state */ dev->error_state = pci_channel_io_normal; + dev->dma_mask = 0xffffffff; if (!strcmp(node->name, "pci")) { /* a PCI-PCI bridge */ @@ -646,7 +653,7 @@ show_pciobppath_attr(struct device * dev, struct device_attribute * attr, char * struct device_node *dp; pdev = to_pci_dev(dev); - dp = pdev->dev.archdata.prom_node; + dp = pdev->dev.of_node; return snprintf (buf, PAGE_SIZE, "%s\n", dp->full_name); } @@ -676,7 +683,7 @@ static void __devinit pci_bus_register_of_sysfs(struct pci_bus *bus) struct pci_bus * __devinit pci_scan_one_pbm(struct pci_pbm_info *pbm, struct device *parent) { - struct device_node *node = pbm->op->node; + struct device_node *node = pbm->op->dev.of_node; struct pci_bus *bus; printk("PCI: Scanning PBM %s\n", node->full_name); @@ -715,9 +722,10 @@ void pcibios_update_irq(struct pci_dev *pdev, int irq) { } -void pcibios_align_resource(void *data, struct resource *res, - resource_size_t size, resource_size_t align) +resource_size_t pcibios_align_resource(void *data, const struct resource *res, + resource_size_t size, resource_size_t align) { + return res->start; } int pcibios_enable_device(struct pci_dev *dev, int mask) @@ -1014,7 +1022,7 @@ void arch_teardown_msi_irq(unsigned int virt_irq) struct device_node *pci_device_to_OF_node(struct pci_dev *pdev) { - return pdev->dev.archdata.prom_node; + return pdev->dev.of_node; } EXPORT_SYMBOL(pci_device_to_OF_node); @@ -1087,3 +1095,76 @@ static int __init pcibios_init(void) return 0; } subsys_initcall(pcibios_init); + +#ifdef CONFIG_SYSFS +static void __devinit pci_bus_slot_names(struct device_node *node, + struct pci_bus *bus) +{ + const struct pci_slot_names { + u32 slot_mask; + char names[0]; + } *prop; + const char *sp; + int len, i; + u32 mask; + + prop = of_get_property(node, "slot-names", &len); + if (!prop) + return; + + mask = prop->slot_mask; + sp = prop->names; + + if (ofpci_verbose) + printk("PCI: Making slots for [%s] mask[0x%02x]\n", + node->full_name, mask); + + i = 0; + while (mask) { + struct pci_slot *pci_slot; + u32 this_bit = 1 << i; + + if (!(mask & this_bit)) { + i++; + continue; + } + + if (ofpci_verbose) + printk("PCI: Making slot [%s]\n", sp); + + pci_slot = pci_create_slot(bus, i, sp, NULL); + if (IS_ERR(pci_slot)) + printk(KERN_ERR "PCI: pci_create_slot returned %ld\n", + PTR_ERR(pci_slot)); + + sp += strlen(sp) + 1; + mask &= ~this_bit; + i++; + } +} + +static int __init of_pci_slot_init(void) +{ + struct pci_bus *pbus = NULL; + + while ((pbus = pci_find_next_bus(pbus)) != NULL) { + struct device_node *node; + + if (pbus->self) { + /* PCI->PCI bridge */ + node = pbus->self->dev.of_node; + } else { + struct pci_pbm_info *pbm = pbus->sysdata; + + /* Host PCI controller */ + node = pbm->op->dev.of_node; + } + + pci_bus_slot_names(node, pbus); + } + + return 0; +} + +module_init(of_pci_slot_init); +#endif diff --git a/arch/sparc/kernel/pci_common.c b/arch/sparc/kernel/pci_common.c index b775658a927d..6c7a33af3ba6 100644 --- a/arch/sparc/kernel/pci_common.c +++ b/arch/sparc/kernel/pci_common.c @@ -314,12 +314,12 @@ struct pci_ops sun4v_pci_ops = { void pci_get_pbm_props(struct pci_pbm_info *pbm) { - const u32 *val = of_get_property(pbm->op->node, "bus-range", NULL); + const u32 *val = of_get_property(pbm->op->dev.of_node, "bus-range", NULL); pbm->pci_first_busno = val[0]; pbm->pci_last_busno = val[1]; - val = of_get_property(pbm->op->node, "ino-bitmap", NULL); + val = of_get_property(pbm->op->dev.of_node, "ino-bitmap", NULL); if (val) { pbm->ino_bitmap = (((u64)val[1] << 32UL) | ((u64)val[0] << 0UL)); @@ -365,20 +365,26 @@ static void pci_register_legacy_regions(struct resource *io_res, static void pci_register_iommu_region(struct pci_pbm_info *pbm) { - const u32 *vdma = of_get_property(pbm->op->node, "virtual-dma", NULL); + const u32 *vdma = of_get_property(pbm->op->dev.of_node, "virtual-dma", + NULL); if (vdma) { struct resource *rp = kzalloc(sizeof(*rp), GFP_KERNEL); if (!rp) { - prom_printf("Cannot allocate IOMMU resource.\n"); - prom_halt(); + pr_info("%s: Cannot allocate IOMMU resource.\n", + pbm->name); + return; } rp->name = "IOMMU"; rp->start = pbm->mem_space.start + (unsigned long) vdma[0]; rp->end = rp->start + (unsigned long) vdma[1] - 1UL; rp->flags = IORESOURCE_BUSY; - request_resource(&pbm->mem_space, rp); + if (request_resource(&pbm->mem_space, rp)) { + pr_info("%s: Unable to request IOMMU resource.\n", + pbm->name); + kfree(rp); + } } } @@ -389,7 +395,7 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm) int num_pbm_ranges; saw_mem = saw_io = 0; - pbm_ranges = of_get_property(pbm->op->node, "ranges", &i); + pbm_ranges = of_get_property(pbm->op->dev.of_node, "ranges", &i); if (!pbm_ranges) { prom_printf("PCI: Fatal error, missing PBM ranges property " " for %s\n", diff --git a/arch/sparc/kernel/pci_fire.c b/arch/sparc/kernel/pci_fire.c index d53f45bc7dda..51cfa09e392a 100644 --- a/arch/sparc/kernel/pci_fire.c +++ b/arch/sparc/kernel/pci_fire.c @@ -413,7 +413,7 @@ static int __devinit pci_fire_pbm_init(struct pci_pbm_info *pbm, struct of_device *op, u32 portid) { const struct linux_prom64_registers *regs; - struct device_node *dp = op->node; + struct device_node *dp = op->dev.of_node; int err; pbm->numa_node = -1; @@ -458,7 +458,7 @@ static int __devinit pci_fire_pbm_init(struct pci_pbm_info *pbm, static int __devinit fire_probe(struct of_device *op, const struct of_device_id *match) { - struct device_node *dp = op->node; + struct device_node *dp = op->dev.of_node; struct pci_pbm_info *pbm; struct iommu *iommu; u32 portid; @@ -508,8 +508,11 @@ static struct of_device_id __initdata fire_match[] = { }; static struct of_platform_driver fire_driver = { - .name = DRIVER_NAME, - .match_table = fire_match, + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + .of_match_table = fire_match, + }, .probe = fire_probe, }; diff --git a/arch/sparc/kernel/pci_msi.c b/arch/sparc/kernel/pci_msi.c index e1b0541feb19..548b8ca9c210 100644 --- a/arch/sparc/kernel/pci_msi.c +++ b/arch/sparc/kernel/pci_msi.c @@ -4,6 +4,7 @@ */ #include <linux/kernel.h> #include <linux/interrupt.h> +#include <linux/slab.h> #include <linux/irq.h> #include "pci_impl.h" @@ -323,7 +324,7 @@ void sparc64_pbm_msi_init(struct pci_pbm_info *pbm, const u32 *val; int len; - val = of_get_property(pbm->op->node, "#msi-eqs", &len); + val = of_get_property(pbm->op->dev.of_node, "#msi-eqs", &len); if (!val || len != 4) goto no_msi; pbm->msiq_num = *val; @@ -346,16 +347,16 @@ void sparc64_pbm_msi_init(struct pci_pbm_info *pbm, u32 msi64_len; } *arng; - val = of_get_property(pbm->op->node, "msi-eq-size", &len); + val = of_get_property(pbm->op->dev.of_node, "msi-eq-size", &len); if (!val || len != 4) goto no_msi; pbm->msiq_ent_count = *val; - mqp = of_get_property(pbm->op->node, + mqp = of_get_property(pbm->op->dev.of_node, "msi-eq-to-devino", &len); if (!mqp) - mqp = of_get_property(pbm->op->node, + mqp = of_get_property(pbm->op->dev.of_node, "msi-eq-devino", &len); if (!mqp || len != sizeof(struct msiq_prop)) goto no_msi; @@ -363,27 +364,27 @@ void sparc64_pbm_msi_init(struct pci_pbm_info *pbm, pbm->msiq_first = mqp->first_msiq; pbm->msiq_first_devino = mqp->first_devino; - val = of_get_property(pbm->op->node, "#msi", &len); + val = of_get_property(pbm->op->dev.of_node, "#msi", &len); if (!val || len != 4) goto no_msi; pbm->msi_num = *val; - mrng = of_get_property(pbm->op->node, "msi-ranges", &len); + mrng = of_get_property(pbm->op->dev.of_node, "msi-ranges", &len); if (!mrng || len != sizeof(struct msi_range_prop)) goto no_msi; pbm->msi_first = mrng->first_msi; - val = of_get_property(pbm->op->node, "msi-data-mask", &len); + val = of_get_property(pbm->op->dev.of_node, "msi-data-mask", &len); if (!val || len != 4) goto no_msi; pbm->msi_data_mask = *val; - val = of_get_property(pbm->op->node, "msix-data-width", &len); + val = of_get_property(pbm->op->dev.of_node, "msix-data-width", &len); if (!val || len != 4) goto no_msi; pbm->msix_data_width = *val; - arng = of_get_property(pbm->op->node, "msi-address-ranges", + arng = of_get_property(pbm->op->dev.of_node, "msi-address-ranges", &len); if (!arng || len != sizeof(struct addr_range_prop)) goto no_msi; diff --git a/arch/sparc/kernel/pci_psycho.c b/arch/sparc/kernel/pci_psycho.c index 142b9d6984a8..558a70512824 100644 --- a/arch/sparc/kernel/pci_psycho.c +++ b/arch/sparc/kernel/pci_psycho.c @@ -285,7 +285,7 @@ static irqreturn_t psycho_ce_intr(int irq, void *dev_id) #define PSYCHO_ECCCTRL_CE 0x2000000000000000UL /* Enable CE INterrupts */ static void psycho_register_error_handlers(struct pci_pbm_info *pbm) { - struct of_device *op = of_find_device_by_node(pbm->op->node); + struct of_device *op = of_find_device_by_node(pbm->op->dev.of_node); unsigned long base = pbm->controller_regs; u64 tmp; int err; @@ -507,7 +507,7 @@ static int __devinit psycho_probe(struct of_device *op, const struct of_device_id *match) { const struct linux_prom64_registers *pr_regs; - struct device_node *dp = op->node; + struct device_node *dp = op->dev.of_node; struct pci_pbm_info *pbm; struct iommu *iommu; int is_pbm_a, err; @@ -602,8 +602,11 @@ static struct of_device_id __initdata psycho_match[] = { }; static struct of_platform_driver psycho_driver = { - .name = DRIVER_NAME, - .match_table = psycho_match, + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + .of_match_table = psycho_match, + }, .probe = psycho_probe, }; diff --git a/arch/sparc/kernel/pci_sabre.c b/arch/sparc/kernel/pci_sabre.c index ba6fbeba3e2c..6dad8e3b7506 100644 --- a/arch/sparc/kernel/pci_sabre.c +++ b/arch/sparc/kernel/pci_sabre.c @@ -310,7 +310,7 @@ static irqreturn_t sabre_ce_intr(int irq, void *dev_id) static void sabre_register_error_handlers(struct pci_pbm_info *pbm) { - struct device_node *dp = pbm->op->node; + struct device_node *dp = pbm->op->dev.of_node; struct of_device *op; unsigned long base = pbm->controller_regs; u64 tmp; @@ -456,7 +456,7 @@ static int __devinit sabre_probe(struct of_device *op, const struct of_device_id *match) { const struct linux_prom64_registers *pr_regs; - struct device_node *dp = op->node; + struct device_node *dp = op->dev.of_node; struct pci_pbm_info *pbm; u32 upa_portid, dma_mask; struct iommu *iommu; @@ -596,8 +596,11 @@ static struct of_device_id __initdata sabre_match[] = { }; static struct of_platform_driver sabre_driver = { - .name = DRIVER_NAME, - .match_table = sabre_match, + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + .of_match_table = sabre_match, + }, .probe = sabre_probe, }; diff --git a/arch/sparc/kernel/pci_schizo.c b/arch/sparc/kernel/pci_schizo.c index 2b5cdde77af7..97a1ae2e1c02 100644 --- a/arch/sparc/kernel/pci_schizo.c +++ b/arch/sparc/kernel/pci_schizo.c @@ -844,7 +844,7 @@ static int pbm_routes_this_ino(struct pci_pbm_info *pbm, u32 ino) */ static void tomatillo_register_error_handlers(struct pci_pbm_info *pbm) { - struct of_device *op = of_find_device_by_node(pbm->op->node); + struct of_device *op = of_find_device_by_node(pbm->op->dev.of_node); u64 tmp, err_mask, err_no_mask; int err; @@ -939,7 +939,7 @@ static void tomatillo_register_error_handlers(struct pci_pbm_info *pbm) static void schizo_register_error_handlers(struct pci_pbm_info *pbm) { - struct of_device *op = of_find_device_by_node(pbm->op->node); + struct of_device *op = of_find_device_by_node(pbm->op->dev.of_node); u64 tmp, err_mask, err_no_mask; int err; @@ -1068,7 +1068,7 @@ static void __devinit schizo_scan_bus(struct pci_pbm_info *pbm, { pbm_config_busmastering(pbm); pbm->is_66mhz_capable = - (of_find_property(pbm->op->node, "66mhz-capable", NULL) + (of_find_property(pbm->op->dev.of_node, "66mhz-capable", NULL) != NULL); pbm->pci_bus = pci_scan_one_pbm(pbm, parent); @@ -1138,7 +1138,7 @@ static int schizo_pbm_iommu_init(struct pci_pbm_info *pbm) u32 dma_mask; u64 control; - vdma = of_get_property(pbm->op->node, "virtual-dma", NULL); + vdma = of_get_property(pbm->op->dev.of_node, "virtual-dma", NULL); if (!vdma) vdma = vdma_default; @@ -1268,7 +1268,7 @@ static void schizo_pbm_hw_init(struct pci_pbm_info *pbm) pbm->chip_version >= 0x2) tmp |= 0x3UL << SCHIZO_PCICTRL_PTO_SHIFT; - if (!of_find_property(pbm->op->node, "no-bus-parking", NULL)) + if (!of_find_property(pbm->op->dev.of_node, "no-bus-parking", NULL)) tmp |= SCHIZO_PCICTRL_PARK; else tmp &= ~SCHIZO_PCICTRL_PARK; @@ -1311,7 +1311,7 @@ static int __devinit schizo_pbm_init(struct pci_pbm_info *pbm, int chip_type) { const struct linux_prom64_registers *regs; - struct device_node *dp = op->node; + struct device_node *dp = op->dev.of_node; const char *chipset_name; int is_pbm_a, err; @@ -1415,7 +1415,7 @@ static struct pci_pbm_info * __devinit schizo_find_sibling(u32 portid, static int __devinit __schizo_init(struct of_device *op, unsigned long chip_type) { - struct device_node *dp = op->node; + struct device_node *dp = op->dev.of_node; struct pci_pbm_info *pbm; struct iommu *iommu; u32 portid; @@ -1491,8 +1491,11 @@ static struct of_device_id __initdata schizo_match[] = { }; static struct of_platform_driver schizo_driver = { - .name = DRIVER_NAME, - .match_table = schizo_match, + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + .of_match_table = schizo_match, + }, .probe = schizo_probe, }; diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c index 23c33ff9c31e..a24af6f7e17f 100644 --- a/arch/sparc/kernel/pci_sun4v.c +++ b/arch/sparc/kernel/pci_sun4v.c @@ -540,7 +540,7 @@ static void __devinit pci_sun4v_scan_bus(struct pci_pbm_info *pbm, struct property *prop; struct device_node *dp; - dp = pbm->op->node; + dp = pbm->op->dev.of_node; prop = of_find_property(dp, "66mhz-capable", NULL); pbm->is_66mhz_capable = (prop != NULL); pbm->pci_bus = pci_scan_one_pbm(pbm, parent); @@ -584,7 +584,7 @@ static int __devinit pci_sun4v_iommu_init(struct pci_pbm_info *pbm) u32 dma_mask, dma_offset; const u32 *vdma; - vdma = of_get_property(pbm->op->node, "virtual-dma", NULL); + vdma = of_get_property(pbm->op->dev.of_node, "virtual-dma", NULL); if (!vdma) vdma = vdma_default; @@ -881,7 +881,7 @@ static void pci_sun4v_msi_init(struct pci_pbm_info *pbm) static int __devinit pci_sun4v_pbm_init(struct pci_pbm_info *pbm, struct of_device *op, u32 devhandle) { - struct device_node *dp = op->node; + struct device_node *dp = op->dev.of_node; int err; pbm->numa_node = of_node_to_nid(dp); @@ -929,7 +929,7 @@ static int __devinit pci_sun4v_probe(struct of_device *op, u32 devhandle; int i, err; - dp = op->node; + dp = op->dev.of_node; if (!hvapi_negotiated++) { err = sun4v_hvapi_register(HV_GRP_PCI, @@ -1009,8 +1009,11 @@ static struct of_device_id __initdata pci_sun4v_match[] = { }; static struct of_platform_driver pci_sun4v_driver = { - .name = DRIVER_NAME, - .match_table = pci_sun4v_match, + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + .of_match_table = pci_sun4v_match, + }, .probe = pci_sun4v_probe, }; diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c index 4e2724ec2bb6..d36a8d391ca0 100644 --- a/arch/sparc/kernel/pcic.c +++ b/arch/sparc/kernel/pcic.c @@ -585,8 +585,6 @@ pcic_fill_irq(struct linux_pcic *pcic, struct pci_dev *dev, int node) writew(ivec, pcic->pcic_regs+PCI_INT_SELECT_LO); } } - - return; } /* @@ -768,9 +766,10 @@ char * __devinit pcibios_setup(char *str) return str; } -void pcibios_align_resource(void *data, struct resource *res, - resource_size_t size, resource_size_t align) +resource_size_t pcibios_align_resource(void *data, const struct resource *res, + resource_size_t size, resource_size_t align) { + return res->start; } int pcibios_enable_device(struct pci_dev *pdev, int mask) diff --git a/arch/sparc/kernel/pcr.c b/arch/sparc/kernel/pcr.c index 2d94e7a03af5..c4a6a50b4849 100644 --- a/arch/sparc/kernel/pcr.c +++ b/arch/sparc/kernel/pcr.c @@ -8,6 +8,7 @@ #include <linux/irq.h> #include <linux/perf_event.h> +#include <linux/ftrace.h> #include <asm/pil.h> #include <asm/pcr.h> @@ -34,7 +35,7 @@ unsigned int picl_shift; * Therefore in such situations we defer the work by signalling * a lower level cpu IRQ. */ -void deferred_pcr_work_irq(int irq, struct pt_regs *regs) +void __irq_entry deferred_pcr_work_irq(int irq, struct pt_regs *regs) { struct pt_regs *old_regs; diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c index e856456ec02f..0ec92c8861dd 100644 --- a/arch/sparc/kernel/perf_event.c +++ b/arch/sparc/kernel/perf_event.c @@ -14,6 +14,7 @@ #include <linux/perf_event.h> #include <linux/kprobes.h> +#include <linux/ftrace.h> #include <linux/kernel.h> #include <linux/kdebug.h> #include <linux/mutex.h> @@ -91,6 +92,8 @@ struct cpu_hw_events { /* Enabled/disable state. */ int enabled; + + unsigned int group_flag; }; DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events) = { .enabled = 1, }; @@ -980,53 +983,6 @@ static int collect_events(struct perf_event *group, int max_count, return n; } -static void event_sched_in(struct perf_event *event, int cpu) -{ - event->state = PERF_EVENT_STATE_ACTIVE; - event->oncpu = cpu; - event->tstamp_running += event->ctx->time - event->tstamp_stopped; - if (is_software_event(event)) - event->pmu->enable(event); -} - -int hw_perf_group_sched_in(struct perf_event *group_leader, - struct perf_cpu_context *cpuctx, - struct perf_event_context *ctx, int cpu) -{ - struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); - struct perf_event *sub; - int n0, n; - - if (!sparc_pmu) - return 0; - - n0 = cpuc->n_events; - n = collect_events(group_leader, perf_max_events - n0, - &cpuc->event[n0], &cpuc->events[n0], - &cpuc->current_idx[n0]); - if (n < 0) - return -EAGAIN; - if (check_excludes(cpuc->event, n0, n)) - return -EINVAL; - if (sparc_check_constraints(cpuc->event, cpuc->events, n + n0)) - return -EAGAIN; - cpuc->n_events = n0 + n; - cpuc->n_added += n; - - cpuctx->active_oncpu += n; - n = 1; - event_sched_in(group_leader, cpu); - list_for_each_entry(sub, &group_leader->sibling_list, group_entry) { - if (sub->state != PERF_EVENT_STATE_OFF) { - event_sched_in(sub, cpu); - n++; - } - } - ctx->nr_active += n; - - return 1; -} - static int sparc_pmu_enable(struct perf_event *event) { struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); @@ -1044,11 +1000,20 @@ static int sparc_pmu_enable(struct perf_event *event) cpuc->events[n0] = event->hw.event_base; cpuc->current_idx[n0] = PIC_NO_INDEX; + /* + * If group events scheduling transaction was started, + * skip the schedulability test here, it will be peformed + * at commit time(->commit_txn) as a whole + */ + if (cpuc->group_flag & PERF_EVENT_TXN_STARTED) + goto nocheck; + if (check_excludes(cpuc->event, n0, 1)) goto out; if (sparc_check_constraints(cpuc->event, cpuc->events, n0 + 1)) goto out; +nocheck: cpuc->n_events++; cpuc->n_added++; @@ -1128,11 +1093,61 @@ static int __hw_perf_event_init(struct perf_event *event) return 0; } +/* + * Start group events scheduling transaction + * Set the flag to make pmu::enable() not perform the + * schedulability test, it will be performed at commit time + */ +static void sparc_pmu_start_txn(const struct pmu *pmu) +{ + struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events); + + cpuhw->group_flag |= PERF_EVENT_TXN_STARTED; +} + +/* + * Stop group events scheduling transaction + * Clear the flag and pmu::enable() will perform the + * schedulability test. + */ +static void sparc_pmu_cancel_txn(const struct pmu *pmu) +{ + struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events); + + cpuhw->group_flag &= ~PERF_EVENT_TXN_STARTED; +} + +/* + * Commit group events scheduling transaction + * Perform the group schedulability test as a whole + * Return 0 if success + */ +static int sparc_pmu_commit_txn(const struct pmu *pmu) +{ + struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); + int n; + + if (!sparc_pmu) + return -EINVAL; + + cpuc = &__get_cpu_var(cpu_hw_events); + n = cpuc->n_events; + if (check_excludes(cpuc->event, 0, n)) + return -EINVAL; + if (sparc_check_constraints(cpuc->event, cpuc->events, n)) + return -EAGAIN; + + return 0; +} + static const struct pmu pmu = { .enable = sparc_pmu_enable, .disable = sparc_pmu_disable, .read = sparc_pmu_read, .unthrottle = sparc_pmu_unthrottle, + .start_txn = sparc_pmu_start_txn, + .cancel_txn = sparc_pmu_cancel_txn, + .commit_txn = sparc_pmu_commit_txn, }; const struct pmu *hw_perf_event_init(struct perf_event *event) @@ -1189,7 +1204,7 @@ static int __kprobes perf_event_nmi_handler(struct notifier_block *self, regs = args->regs; - data.addr = 0; + perf_sample_data_init(&data, 0); cpuc = &__get_cpu_var(cpu_hw_events); @@ -1276,6 +1291,9 @@ static void perf_callchain_kernel(struct pt_regs *regs, struct perf_callchain_entry *entry) { unsigned long ksp, fp; +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + int graph = 0; +#endif callchain_store(entry, PERF_CONTEXT_KERNEL); callchain_store(entry, regs->tpc); @@ -1303,6 +1321,16 @@ static void perf_callchain_kernel(struct pt_regs *regs, fp = (unsigned long)sf->fp + STACK_BIAS; } callchain_store(entry, pc); +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + if ((pc + 8UL) == (unsigned long) &return_to_handler) { + int index = current->curr_ret_stack; + if (current->ret_stack && index >= graph) { + pc = current->ret_stack[index - graph].ret; + callchain_store(entry, pc); + graph++; + } + } +#endif } while (entry->nr < PERF_MAX_STACK_DEPTH); } @@ -1337,7 +1365,7 @@ static void perf_callchain_user_32(struct pt_regs *regs, callchain_store(entry, PERF_CONTEXT_USER); callchain_store(entry, regs->tpc); - ufp = regs->u_regs[UREG_I6]; + ufp = regs->u_regs[UREG_I6] & 0xffffffffUL; do { struct sparc_stackf32 *usf, sf; unsigned long pc; @@ -1353,7 +1381,7 @@ static void perf_callchain_user_32(struct pt_regs *regs, } /* Like powerpc we can't get PMU interrupts within the PMU handler, - * so no need for seperate NMI and IRQ chains as on x86. + * so no need for separate NMI and IRQ chains as on x86. */ static DEFINE_PER_CPU(struct perf_callchain_entry, callchain); diff --git a/arch/sparc/kernel/pmc.c b/arch/sparc/kernel/pmc.c index 5e4563d86f19..9589d8b9b0c1 100644 --- a/arch/sparc/kernel/pmc.c +++ b/arch/sparc/kernel/pmc.c @@ -79,8 +79,11 @@ static struct of_device_id __initdata pmc_match[] = { MODULE_DEVICE_TABLE(of, pmc_match); static struct of_platform_driver pmc_driver = { - .name = "pmc", - .match_table = pmc_match, + .driver = { + .name = "pmc", + .owner = THIS_MODULE, + .of_match_table = pmc_match, + }, .probe = pmc_probe, }; diff --git a/arch/sparc/kernel/power.c b/arch/sparc/kernel/power.c index e2a045c235a1..168d4cb63f5b 100644 --- a/arch/sparc/kernel/power.c +++ b/arch/sparc/kernel/power.c @@ -41,9 +41,9 @@ static int __devinit power_probe(struct of_device *op, const struct of_device_id power_reg = of_ioremap(res, 0, 0x4, "power"); printk(KERN_INFO "%s: Control reg at %llx\n", - op->node->name, res->start); + op->dev.of_node->name, res->start); - if (has_button_interrupt(irq, op->node)) { + if (has_button_interrupt(irq, op->dev.of_node)) { if (request_irq(irq, power_handler, 0, "power", NULL) < 0) printk(KERN_ERR "power: Cannot setup IRQ handler.\n"); @@ -60,10 +60,11 @@ static struct of_device_id __initdata power_match[] = { }; static struct of_platform_driver power_driver = { - .match_table = power_match, .probe = power_probe, - .driver = { - .name = "power", + .driver = { + .name = "power", + .owner = THIS_MODULE, + .of_match_table = power_match, }, }; diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c index 2830b415e214..40e29fc8a4d6 100644 --- a/arch/sparc/kernel/process_32.c +++ b/arch/sparc/kernel/process_32.c @@ -17,13 +17,13 @@ #include <linux/mm.h> #include <linux/stddef.h> #include <linux/ptrace.h> -#include <linux/slab.h> #include <linux/user.h> #include <linux/smp.h> #include <linux/reboot.h> #include <linux/delay.h> #include <linux/pm.h> #include <linux/init.h> +#include <linux/slab.h> #include <asm/auxio.h> #include <asm/oplib.h> @@ -526,7 +526,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, * Set some valid stack frames to give to the child. */ childstack = (struct sparc_stackf __user *) - (sp & ~0x7UL); + (sp & ~0xfUL); parentstack = (struct sparc_stackf __user *) regs->u_regs[UREG_FP]; diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c index c3f1cce0e95e..dbe81a368b45 100644 --- a/arch/sparc/kernel/process_64.c +++ b/arch/sparc/kernel/process_64.c @@ -202,6 +202,7 @@ void show_regs(struct pt_regs *regs) regs->u_regs[15]); printk("RPC: <%pS>\n", (void *) regs->u_regs[15]); show_regwindow(regs); + show_stack(current, (unsigned long *) regs->u_regs[UREG_FP]); } struct global_reg_snapshot global_reg_snapshot[NR_CPUS]; @@ -352,12 +353,6 @@ void exit_thread(void) else t->utraps[0]--; } - - if (test_and_clear_thread_flag(TIF_PERFCTR)) { - t->user_cntd0 = t->user_cntd1 = NULL; - t->pcr_reg = 0; - write_pcr(0); - } } void flush_thread(void) @@ -371,13 +366,6 @@ void flush_thread(void) set_thread_wsaved(0); - /* Turn off performance counters if on. */ - if (test_and_clear_thread_flag(TIF_PERFCTR)) { - t->user_cntd0 = t->user_cntd1 = NULL; - t->pcr_reg = 0; - write_pcr(0); - } - /* Clear FPU register state. */ t->fpsaved[0] = 0; @@ -398,11 +386,11 @@ static unsigned long clone_stackframe(unsigned long csp, unsigned long psp) } else __get_user(fp, &(((struct reg_window32 __user *)psp)->ins[6])); - /* Now 8-byte align the stack as this is mandatory in the - * Sparc ABI due to how register windows work. This hides - * the restriction from thread libraries etc. -DaveM + /* Now align the stack as this is mandatory in the Sparc ABI + * due to how register windows work. This hides the + * restriction from thread libraries etc. */ - csp &= ~7UL; + csp &= ~15UL; distance = fp - psp; rval = (csp - distance); @@ -591,16 +579,6 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, t->kregs->u_regs[UREG_FP] = ((unsigned long) child_sf) - STACK_BIAS; - /* Special case, if we are spawning a kernel thread from - * a userspace task (usermode helper, NFS or similar), we - * must disable performance counters in the child because - * the address space and protection realm are changing. - */ - if (t->flags & _TIF_PERFCTR) { - t->user_cntd0 = t->user_cntd1 = NULL; - t->pcr_reg = 0; - t->flags &= ~_TIF_PERFCTR; - } t->flags |= ((long)ASI_P << TI_FLAG_CURRENT_DS_SHIFT); t->kregs->u_regs[UREG_G6] = (unsigned long) t; t->kregs->u_regs[UREG_G4] = (unsigned long) t->task; diff --git a/arch/sparc/kernel/prom.h b/arch/sparc/kernel/prom.h index 453397fe5e14..a8591ef2636d 100644 --- a/arch/sparc/kernel/prom.h +++ b/arch/sparc/kernel/prom.h @@ -4,9 +4,6 @@ #include <linux/spinlock.h> #include <asm/prom.h> -extern struct device_node *allnodes; /* temporary while merging */ -extern rwlock_t devtree_lock; /* temporary while merging */ - extern void * prom_early_alloc(unsigned long size); extern void irq_trans_init(struct device_node *dp); diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c index d80a65d9e893..57ac9e28be0c 100644 --- a/arch/sparc/kernel/prom_common.c +++ b/arch/sparc/kernel/prom_common.c @@ -37,18 +37,6 @@ EXPORT_SYMBOL(of_console_path); char *of_console_options; EXPORT_SYMBOL(of_console_options); -struct device_node *of_find_node_by_phandle(phandle handle) -{ - struct device_node *np; - - for (np = allnodes; np; np = np->allnext) - if (np->node == handle) - break; - - return np; -} -EXPORT_SYMBOL(of_find_node_by_phandle); - int of_getintprop_default(struct device_node *np, const char *name, int def) { struct property *prop; @@ -89,7 +77,7 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len void *old_val = prop->value; int ret; - ret = prom_setprop(dp->node, name, val, len); + ret = prom_setprop(dp->phandle, name, val, len); err = -EINVAL; if (ret >= 0) { @@ -236,7 +224,7 @@ static struct device_node * __init prom_create_node(phandle node, dp->name = get_one_property(node, "name"); dp->type = get_one_property(node, "device_type"); - dp->node = node; + dp->phandle = node; dp->properties = build_prop_list(node); @@ -313,7 +301,7 @@ void __init prom_build_devicetree(void) nextp = &allnodes->allnext; allnodes->child = prom_build_tree(allnodes, - prom_getchild(allnodes->node), + prom_getchild(allnodes->phandle), &nextp); of_console_init(); diff --git a/arch/sparc/kernel/psycho_common.c b/arch/sparc/kernel/psycho_common.c index 8f1478475421..3f34ac853931 100644 --- a/arch/sparc/kernel/psycho_common.c +++ b/arch/sparc/kernel/psycho_common.c @@ -450,7 +450,7 @@ int psycho_iommu_init(struct pci_pbm_info *pbm, int tsbsize, void psycho_pbm_init_common(struct pci_pbm_info *pbm, struct of_device *op, const char *chip_name, int chip_type) { - struct device_node *dp = op->node; + struct device_node *dp = op->dev.of_node; pbm->name = dp->full_name; pbm->numa_node = -1; diff --git a/arch/sparc/kernel/ptrace_32.c b/arch/sparc/kernel/ptrace_32.c index 7e3dfd9bb97e..e608f397e11f 100644 --- a/arch/sparc/kernel/ptrace_32.c +++ b/arch/sparc/kernel/ptrace_32.c @@ -65,6 +65,7 @@ static int genregs32_get(struct task_struct *target, *k++ = regs->u_regs[pos++]; reg_window = (unsigned long __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; for (; count > 0 && pos < 32; count--) { if (get_user(*k++, ®_window[pos++])) return -EFAULT; @@ -76,6 +77,7 @@ static int genregs32_get(struct task_struct *target, } reg_window = (unsigned long __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; for (; count > 0 && pos < 32; count--) { if (get_user(reg, ®_window[pos++]) || put_user(reg, u++)) @@ -141,6 +143,7 @@ static int genregs32_set(struct task_struct *target, regs->u_regs[pos++] = *k++; reg_window = (unsigned long __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; for (; count > 0 && pos < 32; count--) { if (put_user(*k++, ®_window[pos++])) return -EFAULT; @@ -153,6 +156,7 @@ static int genregs32_set(struct task_struct *target, } reg_window = (unsigned long __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; for (; count > 0 && pos < 32; count--) { if (get_user(reg, u++) || put_user(reg, ®_window[pos++])) diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c index 2f6524d1a817..aa90da08bf61 100644 --- a/arch/sparc/kernel/ptrace_64.c +++ b/arch/sparc/kernel/ptrace_64.c @@ -492,6 +492,7 @@ static int genregs32_get(struct task_struct *target, *k++ = regs->u_regs[pos++]; reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; if (target == current) { for (; count > 0 && pos < 32; count--) { if (get_user(*k++, ®_window[pos++])) @@ -516,6 +517,7 @@ static int genregs32_get(struct task_struct *target, } reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; if (target == current) { for (; count > 0 && pos < 32; count--) { if (get_user(reg, ®_window[pos++]) || @@ -599,6 +601,7 @@ static int genregs32_set(struct task_struct *target, regs->u_regs[pos++] = *k++; reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; if (target == current) { for (; count > 0 && pos < 32; count--) { if (put_user(*k++, ®_window[pos++])) @@ -625,6 +628,7 @@ static int genregs32_set(struct task_struct *target, } reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; if (target == current) { for (; count > 0 && pos < 32; count--) { if (get_user(reg, u++) || diff --git a/arch/sparc/kernel/rtrap_64.S b/arch/sparc/kernel/rtrap_64.S index fd3cee4d117c..090b9e9ad5e3 100644 --- a/arch/sparc/kernel/rtrap_64.S +++ b/arch/sparc/kernel/rtrap_64.S @@ -65,48 +65,6 @@ __handle_user_windows: ba,pt %xcc, __handle_user_windows_continue andn %l1, %l4, %l1 -__handle_perfctrs: - call update_perfctrs - wrpr %g0, RTRAP_PSTATE, %pstate - wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate - ldub [%g6 + TI_WSAVED], %o2 - brz,pt %o2, 1f - nop - /* Redo userwin+sched+sig checks */ - call fault_in_user_windows - - wrpr %g0, RTRAP_PSTATE, %pstate - wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate - ldx [%g6 + TI_FLAGS], %l0 - andcc %l0, _TIF_NEED_RESCHED, %g0 - be,pt %xcc, 1f - - nop - call schedule - wrpr %g0, RTRAP_PSTATE, %pstate - wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate - ldx [%g6 + TI_FLAGS], %l0 -1: andcc %l0, _TIF_DO_NOTIFY_RESUME_MASK, %g0 - - be,pt %xcc, __handle_perfctrs_continue - sethi %hi(TSTATE_PEF), %o0 - mov %l5, %o1 - add %sp, PTREGS_OFF, %o0 - mov %l0, %o2 - call do_notify_resume - - wrpr %g0, RTRAP_PSTATE, %pstate - wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate - /* Signal delivery can modify pt_regs tstate, so we must - * reload it. - */ - ldx [%sp + PTREGS_OFF + PT_V9_TSTATE], %l1 - sethi %hi(0xf << 20), %l4 - and %l1, %l4, %l4 - andn %l1, %l4, %l1 - ba,pt %xcc, __handle_perfctrs_continue - - sethi %hi(TSTATE_PEF), %o0 __handle_userfpu: rd %fprs, %l5 andcc %l5, FPRS_FEF, %g0 @@ -149,11 +107,11 @@ rtrap_nmi: ldx [%sp + PTREGS_OFF + PT_V9_TSTATE], %l1 rtrap_irq: rtrap: #ifndef CONFIG_SMP - sethi %hi(per_cpu____cpu_data), %l0 - lduw [%l0 + %lo(per_cpu____cpu_data)], %l1 + sethi %hi(__cpu_data), %l0 + lduw [%l0 + %lo(__cpu_data)], %l1 #else - sethi %hi(per_cpu____cpu_data), %l0 - or %l0, %lo(per_cpu____cpu_data), %l0 + sethi %hi(__cpu_data), %l0 + or %l0, %lo(__cpu_data), %l0 lduw [%l0 + %g5], %l1 #endif cmp %l1, 0 @@ -172,7 +130,17 @@ rtrap_xcall: nop call trace_hardirqs_on nop - wrpr %l4, %pil + /* Do not actually set the %pil here. We will do that + * below after we clear PSTATE_IE in the %pstate register. + * If we re-enable interrupts here, we can recurse down + * the hardirq stack potentially endlessly, causing a + * stack overflow. + * + * It is tempting to put this test and trace_hardirqs_on + * call at the 'rt_continue' label, but that will not work + * as that path hits unconditionally and we do not want to + * execute this in NMI return paths, for example. + */ #endif rtrap_no_irq_enable: andcc %l1, TSTATE_PRIV, %l3 @@ -191,9 +159,9 @@ rtrap_no_irq_enable: * take until the next local IRQ before the signal/resched * event would be handled. * - * This also means that if we have to deal with performance - * counters or user windows, we have to redo all of these - * sched+signal checks with IRQs disabled. + * This also means that if we have to deal with user + * windows, we have to redo all of these sched+signal checks + * with IRQs disabled. */ to_user: wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate wrpr 0, %pil @@ -214,12 +182,8 @@ __handle_signal_continue: brnz,pn %o2, __handle_user_windows nop __handle_user_windows_continue: - ldx [%g6 + TI_FLAGS], %l5 - andcc %l5, _TIF_PERFCTR, %g0 sethi %hi(TSTATE_PEF), %o0 - bne,pn %xcc, __handle_perfctrs -__handle_perfctrs_continue: - andcc %l1, %o0, %g0 + andcc %l1, %o0, %g0 /* This fpdepth clear is necessary for non-syscall rtraps only */ user_nowork: diff --git a/arch/sparc/kernel/sbus.c b/arch/sparc/kernel/sbus.c index 406e0872504e..cfeaf04b9cdf 100644 --- a/arch/sparc/kernel/sbus.c +++ b/arch/sparc/kernel/sbus.c @@ -63,10 +63,10 @@ void sbus_set_sbus64(struct device *dev, int bursts) int slot; u64 val; - regs = of_get_property(op->node, "reg", NULL); + regs = of_get_property(op->dev.of_node, "reg", NULL); if (!regs) { printk(KERN_ERR "sbus_set_sbus64: Cannot find regs for %s\n", - op->node->full_name); + op->dev.of_node->full_name); return; } slot = regs->which_io; @@ -287,7 +287,7 @@ static irqreturn_t sysio_ue_handler(int irq, void *dev_id) SYSIO_UEAFSR_SPIO | SYSIO_UEAFSR_SDRD | SYSIO_UEAFSR_SDWR); upa_writeq(error_bits, afsr_reg); - portid = of_getintprop_default(op->node, "portid", -1); + portid = of_getintprop_default(op->dev.of_node, "portid", -1); /* Log the error. */ printk("SYSIO[%x]: Uncorrectable ECC Error, primary error type[%s]\n", @@ -361,7 +361,7 @@ static irqreturn_t sysio_ce_handler(int irq, void *dev_id) SYSIO_CEAFSR_SPIO | SYSIO_CEAFSR_SDRD | SYSIO_CEAFSR_SDWR); upa_writeq(error_bits, afsr_reg); - portid = of_getintprop_default(op->node, "portid", -1); + portid = of_getintprop_default(op->dev.of_node, "portid", -1); printk("SYSIO[%x]: Correctable ECC Error, primary error type[%s]\n", portid, @@ -439,7 +439,7 @@ static irqreturn_t sysio_sbus_error_handler(int irq, void *dev_id) SYSIO_SBAFSR_SLE | SYSIO_SBAFSR_STO | SYSIO_SBAFSR_SBERR); upa_writeq(error_bits, afsr_reg); - portid = of_getintprop_default(op->node, "portid", -1); + portid = of_getintprop_default(op->dev.of_node, "portid", -1); /* Log the error. */ printk("SYSIO[%x]: SBUS Error, primary error type[%s] read(%d)\n", @@ -496,7 +496,7 @@ static void __init sysio_register_error_handlers(struct of_device *op) u64 control; int portid; - portid = of_getintprop_default(op->node, "portid", -1); + portid = of_getintprop_default(op->dev.of_node, "portid", -1); irq = sbus_build_irq(op, SYSIO_UE_INO); if (request_irq(irq, sysio_ue_handler, 0, @@ -537,7 +537,7 @@ static void __init sysio_register_error_handlers(struct of_device *op) static void __init sbus_iommu_init(struct of_device *op) { const struct linux_prom64_registers *pr; - struct device_node *dp = op->node; + struct device_node *dp = op->dev.of_node; struct iommu *iommu; struct strbuf *strbuf; unsigned long regs, reg_base; @@ -589,7 +589,7 @@ static void __init sbus_iommu_init(struct of_device *op) */ iommu->write_complete_reg = regs + 0x2000UL; - portid = of_getintprop_default(op->node, "portid", -1); + portid = of_getintprop_default(op->dev.of_node, "portid", -1); printk(KERN_INFO "SYSIO: UPA portID %x, at %016lx\n", portid, regs); diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c index 9be2af55c5cd..b22ce6100403 100644 --- a/arch/sparc/kernel/setup_32.c +++ b/arch/sparc/kernel/setup_32.c @@ -95,8 +95,6 @@ static void prom_sync_me(void) "nop\n\t" "nop\n\t" : : "r" (prom_tbr)); local_irq_restore(flags); - - return; } static unsigned int boot_flags __initdata = 0; diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index a2a79e76344f..5f72de67588b 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -12,7 +12,6 @@ #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> -#include <linux/slab.h> #include <asm/smp.h> #include <linux/user.h> #include <linux/screen_info.h> diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c index ba5b09ad6666..ea22cd373c64 100644 --- a/arch/sparc/kernel/signal32.c +++ b/arch/sparc/kernel/signal32.c @@ -120,8 +120,8 @@ struct rt_signal_frame32 { }; /* Align macros */ -#define SF_ALIGNEDSZ (((sizeof(struct signal_frame32) + 7) & (~7))) -#define RT_ALIGNEDSZ (((sizeof(struct rt_signal_frame32) + 7) & (~7))) +#define SF_ALIGNEDSZ (((sizeof(struct signal_frame32) + 15) & (~15))) +#define RT_ALIGNEDSZ (((sizeof(struct rt_signal_frame32) + 15) & (~15))) int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from) { @@ -420,15 +420,17 @@ static void __user *get_sigframe(struct sigaction *sa, struct pt_regs *regs, uns sp = current->sas_ss_sp + current->sas_ss_size; } + sp -= framesize; + /* Always align the stack frame. This handles two cases. First, * sigaltstack need not be mindful of platform specific stack * alignment. Second, if we took this signal because the stack * is not aligned properly, we'd like to take the signal cleanly * and report that. */ - sp &= ~7UL; + sp &= ~15UL; - return (void __user *)(sp - framesize); + return (void __user *) sp; } static int save_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c index 7ce1a1005b1d..9882df92ba0a 100644 --- a/arch/sparc/kernel/signal_32.c +++ b/arch/sparc/kernel/signal_32.c @@ -267,15 +267,17 @@ static inline void __user *get_sigframe(struct sigaction *sa, struct pt_regs *re sp = current->sas_ss_sp + current->sas_ss_size; } + sp -= framesize; + /* Always align the stack frame. This handles two cases. First, * sigaltstack need not be mindful of platform specific stack * alignment. Second, if we took this signal because the stack * is not aligned properly, we'd like to take the signal cleanly * and report that. */ - sp &= ~7UL; + sp &= ~15UL; - return (void __user *)(sp - framesize); + return (void __user *) sp; } static inline int diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c index 647afbda7ae1..9fa48c30037e 100644 --- a/arch/sparc/kernel/signal_64.c +++ b/arch/sparc/kernel/signal_64.c @@ -353,7 +353,7 @@ segv: /* Checks if the fp is valid */ static int invalid_frame_pointer(void __user *fp, int fplen) { - if (((unsigned long) fp) & 7) + if (((unsigned long) fp) & 15) return 1; return 0; } @@ -396,15 +396,17 @@ static inline void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs * sp = current->sas_ss_sp + current->sas_ss_size; } + sp -= framesize; + /* Always align the stack frame. This handles two cases. First, * sigaltstack need not be mindful of platform specific stack * alignment. Second, if we took this signal because the stack * is not aligned properly, we'd like to take the signal cleanly * and report that. */ - sp &= ~7UL; + sp &= ~15UL; - return (void __user *)(sp - framesize); + return (void __user *) sp; } static inline void diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index aa36223497b9..b6a2b8f47040 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -22,7 +22,9 @@ #include <linux/profile.h> #include <linux/bootmem.h> #include <linux/vmalloc.h> +#include <linux/ftrace.h> #include <linux/cpu.h> +#include <linux/slab.h> #include <asm/head.h> #include <asm/ptrace.h> @@ -370,7 +372,7 @@ static int __cpuinit smp_boot_one_cpu(unsigned int cpu) } else { struct device_node *dp = of_find_node_by_cpuid(cpu); - prom_startcpu(dp->node, entry, cookie); + prom_startcpu(dp->phandle, entry, cookie); } for (timeout = 0; timeout < 50000; timeout++) { @@ -822,13 +824,13 @@ void arch_send_call_function_single_ipi(int cpu) &cpumask_of_cpu(cpu)); } -void smp_call_function_client(int irq, struct pt_regs *regs) +void __irq_entry smp_call_function_client(int irq, struct pt_regs *regs) { clear_softint(1 << irq); generic_smp_call_function_interrupt(); } -void smp_call_function_single_client(int irq, struct pt_regs *regs) +void __irq_entry smp_call_function_single_client(int irq, struct pt_regs *regs) { clear_softint(1 << irq); generic_smp_call_function_single_interrupt(); @@ -964,7 +966,7 @@ void flush_dcache_page_all(struct mm_struct *mm, struct page *page) put_cpu(); } -void smp_new_mmu_context_version_client(int irq, struct pt_regs *regs) +void __irq_entry smp_new_mmu_context_version_client(int irq, struct pt_regs *regs) { struct mm_struct *mm; unsigned long flags; @@ -1148,7 +1150,7 @@ void smp_release(void) */ extern void prom_world(int); -void smp_penguin_jailcell(int irq, struct pt_regs *regs) +void __irq_entry smp_penguin_jailcell(int irq, struct pt_regs *regs) { clear_softint(1 << irq); @@ -1364,7 +1366,7 @@ void smp_send_reschedule(int cpu) &cpumask_of_cpu(cpu)); } -void smp_receive_signal_client(int irq, struct pt_regs *regs) +void __irq_entry smp_receive_signal_client(int irq, struct pt_regs *regs) { clear_softint(1 << irq); } diff --git a/arch/sparc/kernel/stacktrace.c b/arch/sparc/kernel/stacktrace.c index acb12f673757..3e0815349630 100644 --- a/arch/sparc/kernel/stacktrace.c +++ b/arch/sparc/kernel/stacktrace.c @@ -1,6 +1,7 @@ #include <linux/sched.h> #include <linux/stacktrace.h> #include <linux/thread_info.h> +#include <linux/ftrace.h> #include <linux/module.h> #include <asm/ptrace.h> #include <asm/stacktrace.h> @@ -12,6 +13,10 @@ static void __save_stack_trace(struct thread_info *tp, bool skip_sched) { unsigned long ksp, fp; +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + struct task_struct *t; + int graph = 0; +#endif if (tp == current_thread_info()) { stack_trace_flush(); @@ -21,6 +26,9 @@ static void __save_stack_trace(struct thread_info *tp, } fp = ksp + STACK_BIAS; +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + t = tp->task; +#endif do { struct sparc_stackf *sf; struct pt_regs *regs; @@ -44,8 +52,21 @@ static void __save_stack_trace(struct thread_info *tp, if (trace->skip > 0) trace->skip--; - else if (!skip_sched || !in_sched_functions(pc)) + else if (!skip_sched || !in_sched_functions(pc)) { trace->entries[trace->nr_entries++] = pc; +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + if ((pc + 8UL) == (unsigned long) &return_to_handler) { + int index = t->curr_ret_stack; + if (t->ret_stack && index >= graph) { + pc = t->ret_stack[index - graph].ret; + if (trace->nr_entries < + trace->max_entries) + trace->entries[trace->nr_entries++] = pc; + graph++; + } + } +#endif + } } while (trace->nr_entries < trace->max_entries); } diff --git a/arch/sparc/kernel/sun4c_irq.c b/arch/sparc/kernel/sun4c_irq.c index bc3adbf79c6a..892fb884910a 100644 --- a/arch/sparc/kernel/sun4c_irq.c +++ b/arch/sparc/kernel/sun4c_irq.c @@ -16,7 +16,6 @@ #include <linux/sched.h> #include <linux/ptrace.h> #include <linux/interrupt.h> -#include <linux/slab.h> #include <linux/init.h> #include <linux/of.h> #include <linux/of_device.h> diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c index 68791cad7b74..482f2ab92692 100644 --- a/arch/sparc/kernel/sun4d_smp.c +++ b/arch/sparc/kernel/sun4d_smp.c @@ -194,7 +194,7 @@ int __cpuinit smp4d_boot_one_cpu(int i) smp_penguin_ctable.reg_size = 0; /* whirrr, whirrr, whirrrrrrrrr... */ - SMP_PRINTK(("Starting CPU %d at %p \n", i, entry)); + SMP_PRINTK(("Starting CPU %d at %p\n", i, entry)); local_flush_cache_all(); prom_startcpu(cpu_node, &smp_penguin_ctable, 0, (char *)entry); diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c index 301892e2d718..7f3b97ff62c1 100644 --- a/arch/sparc/kernel/sun4m_irq.c +++ b/arch/sparc/kernel/sun4m_irq.c @@ -17,7 +17,6 @@ #include <linux/ptrace.h> #include <linux/smp.h> #include <linux/interrupt.h> -#include <linux/slab.h> #include <linux/init.h> #include <linux/ioport.h> #include <linux/of.h> diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S index e7061138c98a..46a76ba3fb4b 100644 --- a/arch/sparc/kernel/sys32.S +++ b/arch/sparc/kernel/sys32.S @@ -51,7 +51,6 @@ SIGN1(sys32_exit_group, sys_exit_group, %o0) SIGN1(sys32_wait4, compat_sys_wait4, %o2) SIGN1(sys32_creat, sys_creat, %o1) SIGN1(sys32_mknod, sys_mknod, %o1) -SIGN1(sys32_perfctr, sys_perfctr, %o0) SIGN1(sys32_umount, sys_umount, %o1) SIGN1(sys32_signal, sys_signal, %o0) SIGN1(sys32_access, sys_access, %o1) diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c index dc0ac197e7e2..c0ca87553e1c 100644 --- a/arch/sparc/kernel/sys_sparc32.c +++ b/arch/sparc/kernel/sys_sparc32.c @@ -21,7 +21,6 @@ #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> -#include <linux/slab.h> #include <linux/uio.h> #include <linux/nfs_fs.h> #include <linux/quota.h> @@ -43,8 +42,8 @@ #include <linux/security.h> #include <linux/compat.h> #include <linux/vfs.h> -#include <linux/netfilter_ipv4/ip_tables.h> #include <linux/ptrace.h> +#include <linux/slab.h> #include <asm/types.h> #include <asm/uaccess.h> diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c index 3a82e65d8db2..ee995b7dae7e 100644 --- a/arch/sparc/kernel/sys_sparc_32.c +++ b/arch/sparc/kernel/sys_sparc_32.c @@ -98,119 +98,6 @@ out: return error; } -/* - * sys_ipc() is the de-multiplexer for the SysV IPC calls.. - * - * This is really horribly ugly. - */ - -asmlinkage int sys_ipc (uint call, int first, int second, int third, void __user *ptr, long fifth) -{ - int version, err; - - version = call >> 16; /* hack for backward compatibility */ - call &= 0xffff; - - if (call <= SEMCTL) - switch (call) { - case SEMOP: - err = sys_semtimedop (first, (struct sembuf __user *)ptr, second, NULL); - goto out; - case SEMTIMEDOP: - err = sys_semtimedop (first, (struct sembuf __user *)ptr, second, (const struct timespec __user *) fifth); - goto out; - case SEMGET: - err = sys_semget (first, second, third); - goto out; - case SEMCTL: { - union semun fourth; - err = -EINVAL; - if (!ptr) - goto out; - err = -EFAULT; - if (get_user(fourth.__pad, - (void __user * __user *)ptr)) - goto out; - err = sys_semctl (first, second, third, fourth); - goto out; - } - default: - err = -ENOSYS; - goto out; - } - if (call <= MSGCTL) - switch (call) { - case MSGSND: - err = sys_msgsnd (first, (struct msgbuf __user *) ptr, - second, third); - goto out; - case MSGRCV: - switch (version) { - case 0: { - struct ipc_kludge tmp; - err = -EINVAL; - if (!ptr) - goto out; - err = -EFAULT; - if (copy_from_user(&tmp, (struct ipc_kludge __user *) ptr, sizeof (tmp))) - goto out; - err = sys_msgrcv (first, tmp.msgp, second, tmp.msgtyp, third); - goto out; - } - case 1: default: - err = sys_msgrcv (first, - (struct msgbuf __user *) ptr, - second, fifth, third); - goto out; - } - case MSGGET: - err = sys_msgget ((key_t) first, second); - goto out; - case MSGCTL: - err = sys_msgctl (first, second, (struct msqid_ds __user *) ptr); - goto out; - default: - err = -ENOSYS; - goto out; - } - if (call <= SHMCTL) - switch (call) { - case SHMAT: - switch (version) { - case 0: default: { - ulong raddr; - err = do_shmat (first, (char __user *) ptr, second, &raddr); - if (err) - goto out; - err = -EFAULT; - if (put_user (raddr, (ulong __user *) third)) - goto out; - err = 0; - goto out; - } - case 1: /* iBCS2 emulator entry point */ - err = -EINVAL; - goto out; - } - case SHMDT: - err = sys_shmdt ((char __user *)ptr); - goto out; - case SHMGET: - err = sys_shmget (first, second, third); - goto out; - case SHMCTL: - err = sys_shmctl (first, second, (struct shmid_ds __user *) ptr); - goto out; - default: - err = -ENOSYS; - goto out; - } - else - err = -ENOSYS; -out: - return err; -} - int sparc_mmap_check(unsigned long addr, unsigned long len) { if (ARCH_SUN4C && diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c index d77f54316948..3d435c42e6db 100644 --- a/arch/sparc/kernel/sys_sparc_64.c +++ b/arch/sparc/kernel/sys_sparc_64.c @@ -27,7 +27,6 @@ #include <asm/uaccess.h> #include <asm/utrap.h> -#include <asm/perfctr.h> #include <asm/unistd.h> #include "entry.h" @@ -427,7 +426,7 @@ out: * This is really horribly ugly. */ -SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, unsigned long, second, +SYSCALL_DEFINE6(sparc_ipc, unsigned int, call, int, first, unsigned long, second, unsigned long, third, void __user *, ptr, long, fifth) { long err; @@ -511,17 +510,6 @@ out: return err; } -SYSCALL_DEFINE1(sparc64_newuname, struct new_utsname __user *, name) -{ - int ret = sys_newuname(name); - - if (current->personality == PER_LINUX32 && !ret) { - ret = (copy_to_user(name->machine, "sparc\0\0", 8) - ? -EFAULT : 0); - } - return ret; -} - SYSCALL_DEFINE1(sparc64_personality, unsigned long, personality) { int ret; @@ -766,109 +754,6 @@ SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act, return ret; } -/* Invoked by rtrap code to update performance counters in - * user space. - */ -asmlinkage void update_perfctrs(void) -{ - unsigned long pic, tmp; - - read_pic(pic); - tmp = (current_thread_info()->kernel_cntd0 += (unsigned int)pic); - __put_user(tmp, current_thread_info()->user_cntd0); - tmp = (current_thread_info()->kernel_cntd1 += (pic >> 32)); - __put_user(tmp, current_thread_info()->user_cntd1); - reset_pic(); -} - -SYSCALL_DEFINE4(perfctr, int, opcode, unsigned long, arg0, - unsigned long, arg1, unsigned long, arg2) -{ - int err = 0; - - switch(opcode) { - case PERFCTR_ON: - current_thread_info()->pcr_reg = arg2; - current_thread_info()->user_cntd0 = (u64 __user *) arg0; - current_thread_info()->user_cntd1 = (u64 __user *) arg1; - current_thread_info()->kernel_cntd0 = - current_thread_info()->kernel_cntd1 = 0; - write_pcr(arg2); - reset_pic(); - set_thread_flag(TIF_PERFCTR); - break; - - case PERFCTR_OFF: - err = -EINVAL; - if (test_thread_flag(TIF_PERFCTR)) { - current_thread_info()->user_cntd0 = - current_thread_info()->user_cntd1 = NULL; - current_thread_info()->pcr_reg = 0; - write_pcr(0); - clear_thread_flag(TIF_PERFCTR); - err = 0; - } - break; - - case PERFCTR_READ: { - unsigned long pic, tmp; - - if (!test_thread_flag(TIF_PERFCTR)) { - err = -EINVAL; - break; - } - read_pic(pic); - tmp = (current_thread_info()->kernel_cntd0 += (unsigned int)pic); - err |= __put_user(tmp, current_thread_info()->user_cntd0); - tmp = (current_thread_info()->kernel_cntd1 += (pic >> 32)); - err |= __put_user(tmp, current_thread_info()->user_cntd1); - reset_pic(); - break; - } - - case PERFCTR_CLRPIC: - if (!test_thread_flag(TIF_PERFCTR)) { - err = -EINVAL; - break; - } - current_thread_info()->kernel_cntd0 = - current_thread_info()->kernel_cntd1 = 0; - reset_pic(); - break; - - case PERFCTR_SETPCR: { - u64 __user *user_pcr = (u64 __user *)arg0; - - if (!test_thread_flag(TIF_PERFCTR)) { - err = -EINVAL; - break; - } - err |= __get_user(current_thread_info()->pcr_reg, user_pcr); - write_pcr(current_thread_info()->pcr_reg); - current_thread_info()->kernel_cntd0 = - current_thread_info()->kernel_cntd1 = 0; - reset_pic(); - break; - } - - case PERFCTR_GETPCR: { - u64 __user *user_pcr = (u64 __user *)arg0; - - if (!test_thread_flag(TIF_PERFCTR)) { - err = -EINVAL; - break; - } - err |= __put_user(current_thread_info()->pcr_reg, user_pcr); - break; - } - - default: - err = -EINVAL; - break; - }; - return err; -} - /* * Do a system call from kernel instead of calling sys_execve so we * end up with proper pt_regs. diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S index dc4a458f74dc..1d7e274f3f2b 100644 --- a/arch/sparc/kernel/syscalls.S +++ b/arch/sparc/kernel/syscalls.S @@ -110,31 +110,12 @@ sys_clone: .globl ret_from_syscall ret_from_syscall: - /* Clear current_thread_info()->new_child, and - * check performance counter stuff too. - */ + /* Clear current_thread_info()->new_child. */ stb %g0, [%g6 + TI_NEW_CHILD] ldx [%g6 + TI_FLAGS], %l0 call schedule_tail mov %g7, %o0 - andcc %l0, _TIF_PERFCTR, %g0 - be,pt %icc, 1f - nop - ldx [%g6 + TI_PCR], %o7 - wr %g0, %o7, %pcr - - /* Blackbird errata workaround. See commentary in - * smp.c:smp_percpu_timer_interrupt() for more - * information. - */ - ba,pt %xcc, 99f - nop - - .align 64 -99: wr %g0, %g0, %pic - rd %pic, %g0 - -1: ba,pt %xcc, ret_sys_call + ba,pt %xcc, ret_sys_call ldx [%sp + PTREGS_OFF + PT_V9_I0], %o0 .globl sparc_exit diff --git a/arch/sparc/kernel/sysfs.c b/arch/sparc/kernel/sysfs.c index ca39c606fe8e..1eb8b00aed75 100644 --- a/arch/sparc/kernel/sysfs.c +++ b/arch/sparc/kernel/sysfs.c @@ -107,12 +107,12 @@ static unsigned long run_on_cpu(unsigned long cpu, unsigned long ret; /* should return -EINVAL to userspace */ - if (set_cpus_allowed(current, cpumask_of_cpu(cpu))) + if (set_cpus_allowed_ptr(current, cpumask_of(cpu))) return 0; ret = func(arg); - set_cpus_allowed(current, old_affinity); + set_cpus_allowed_ptr(current, &old_affinity); return ret; } diff --git a/arch/sparc/kernel/systbls.h b/arch/sparc/kernel/systbls.h index d2f999ae2b85..118759cd7342 100644 --- a/arch/sparc/kernel/systbls.h +++ b/arch/sparc/kernel/systbls.h @@ -6,15 +6,12 @@ #include <asm/utrap.h> #include <asm/signal.h> -struct new_utsname; - extern asmlinkage unsigned long sys_getpagesize(void); extern asmlinkage long sparc_pipe(struct pt_regs *regs); -extern asmlinkage long sys_ipc(unsigned int call, int first, +extern asmlinkage long sys_sparc_ipc(unsigned int call, int first, unsigned long second, unsigned long third, void __user *ptr, long fifth); -extern asmlinkage long sparc64_newuname(struct new_utsname __user *name); extern asmlinkage long sparc64_personality(unsigned long personality); extern asmlinkage long sys64_munmap(unsigned long addr, size_t len); extern asmlinkage unsigned long sys64_mremap(unsigned long addr, @@ -36,8 +33,6 @@ extern asmlinkage long sys_rt_sigaction(int sig, struct sigaction __user *oact, void __user *restorer, size_t sigsetsize); -extern asmlinkage long sys_perfctr(int opcode, unsigned long arg0, - unsigned long arg1, unsigned long arg2); extern asmlinkage void sparc64_set_context(struct pt_regs *regs); extern asmlinkage void sparc64_get_context(struct pt_regs *regs); diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index e575b46bd7a9..9db058dd039e 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -21,7 +21,7 @@ sys_call_table32: /*0*/ .word sys_restart_syscall, sys32_exit, sys_fork, sys_read, sys_write /*5*/ .word sys32_open, sys_close, sys32_wait4, sys32_creat, sys_link /*10*/ .word sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys32_mknod -/*15*/ .word sys_chmod, sys_lchown16, sys_brk, sys32_perfctr, sys32_lseek +/*15*/ .word sys_chmod, sys_lchown16, sys_brk, sys_nis_syscall, sys32_lseek /*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16 /*25*/ .word sys32_vmsplice, compat_sys_ptrace, sys_alarm, sys32_sigaltstack, sys_pause /*30*/ .word compat_sys_utime, sys_lchown, sys_fchown, sys32_access, sys32_nice @@ -55,7 +55,7 @@ sys_call_table32: /*170*/ .word sys32_lsetxattr, sys32_fsetxattr, sys_getxattr, sys_lgetxattr, compat_sys_getdents .word sys_setsid, sys_fchdir, sys32_fgetxattr, sys_listxattr, sys_llistxattr /*180*/ .word sys32_flistxattr, sys_removexattr, sys_lremovexattr, compat_sys_sigpending, sys_ni_syscall - .word sys32_setpgid, sys32_fremovexattr, sys32_tkill, sys32_exit_group, sys_sparc64_newuname + .word sys32_setpgid, sys32_fremovexattr, sys32_tkill, sys32_exit_group, sys_newuname /*190*/ .word sys32_init_module, sys_sparc64_personality, sys_remap_file_pages, sys32_epoll_create, sys32_epoll_ctl .word sys32_epoll_wait, sys32_ioprio_set, sys_getppid, sys32_sigaction, sys_sgetmask /*200*/ .word sys32_ssetmask, sys_sigsuspend, compat_sys_newlstat, sys_uselib, compat_sys_old_readdir @@ -96,7 +96,7 @@ sys_call_table: /*0*/ .word sys_restart_syscall, sparc_exit, sys_fork, sys_read, sys_write /*5*/ .word sys_open, sys_close, sys_wait4, sys_creat, sys_link /*10*/ .word sys_unlink, sys_nis_syscall, sys_chdir, sys_chown, sys_mknod -/*15*/ .word sys_chmod, sys_lchown, sys_brk, sys_perfctr, sys_lseek +/*15*/ .word sys_chmod, sys_lchown, sys_brk, sys_nis_syscall, sys_lseek /*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid, sys_getuid /*25*/ .word sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_nis_syscall /*30*/ .word sys_utime, sys_nis_syscall, sys_nis_syscall, sys_access, sys_nice @@ -130,13 +130,13 @@ sys_call_table: /*170*/ .word sys_lsetxattr, sys_fsetxattr, sys_getxattr, sys_lgetxattr, sys_getdents .word sys_setsid, sys_fchdir, sys_fgetxattr, sys_listxattr, sys_llistxattr /*180*/ .word sys_flistxattr, sys_removexattr, sys_lremovexattr, sys_nis_syscall, sys_ni_syscall - .word sys_setpgid, sys_fremovexattr, sys_tkill, sys_exit_group, sys_sparc64_newuname + .word sys_setpgid, sys_fremovexattr, sys_tkill, sys_exit_group, sys_newuname /*190*/ .word sys_init_module, sys_sparc64_personality, sys_remap_file_pages, sys_epoll_create, sys_epoll_ctl .word sys_epoll_wait, sys_ioprio_set, sys_getppid, sys_nis_syscall, sys_sgetmask /*200*/ .word sys_ssetmask, sys_nis_syscall, sys_newlstat, sys_uselib, sys_nis_syscall .word sys_readahead, sys_socketcall, sys_syslog, sys_lookup_dcookie, sys_fadvise64 /*210*/ .word sys_fadvise64_64, sys_tgkill, sys_waitpid, sys_swapoff, sys_sysinfo - .word sys_ipc, sys_nis_syscall, sys_clone, sys_ioprio_get, sys_adjtimex + .word sys_sparc_ipc, sys_nis_syscall, sys_clone, sys_ioprio_get, sys_adjtimex /*220*/ .word sys_nis_syscall, sys_ni_syscall, sys_delete_module, sys_ni_syscall, sys_getpgid .word sys_bdflush, sys_sysfs, sys_nis_syscall, sys_setfsuid, sys_setfsgid /*230*/ .word sys_select, sys_nis_syscall, sys_splice, sys_stime, sys_statfs64 diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c index 0d4c09b15efc..e404b063be2c 100644 --- a/arch/sparc/kernel/time_32.c +++ b/arch/sparc/kernel/time_32.c @@ -78,6 +78,11 @@ __volatile__ unsigned int *master_l10_counter; u32 (*do_arch_gettimeoffset)(void); +int update_persistent_clock(struct timespec now) +{ + return set_rtc_mmss(now.tv_sec); +} + /* * timer_interrupt() needs to keep up the real-time clock, * as well as call the "do_timer()" routine every clocktick @@ -87,9 +92,6 @@ u32 (*do_arch_gettimeoffset)(void); static irqreturn_t timer_interrupt(int dummy, void *dev_id) { - /* last time the cmos clock got updated */ - static long last_rtc_update; - #ifndef CONFIG_SMP profile_tick(CPU_PROFILING); #endif @@ -101,16 +103,6 @@ static irqreturn_t timer_interrupt(int dummy, void *dev_id) do_timer(1); - /* Determine when to update the Mostek clock. */ - if (ntp_synced() && - xtime.tv_sec > last_rtc_update + 660 && - (xtime.tv_nsec / 1000) >= 500000 - ((unsigned) TICK_SIZE) / 2 && - (xtime.tv_nsec / 1000) <= 500000 + ((unsigned) TICK_SIZE) / 2) { - if (set_rtc_mmss(xtime.tv_sec) == 0) - last_rtc_update = xtime.tv_sec; - else - last_rtc_update = xtime.tv_sec - 600; /* do it again in 60 s */ - } write_sequnlock(&xtime_lock); #ifndef CONFIG_SMP @@ -152,7 +144,7 @@ static struct platform_device m48t59_rtc = { static int __devinit clock_probe(struct of_device *op, const struct of_device_id *match) { - struct device_node *dp = op->node; + struct device_node *dp = op->dev.of_node; const char *model = of_get_property(dp, "model", NULL); if (!model) @@ -185,10 +177,11 @@ static struct of_device_id __initdata clock_match[] = { }; static struct of_platform_driver clock_driver = { - .match_table = clock_match, .probe = clock_probe, - .driver = { - .name = "rtc", + .driver = { + .name = "rtc", + .owner = THIS_MODULE, + .of_match_table = clock_match, }, }; diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c index 67e165102885..21e9fcae0668 100644 --- a/arch/sparc/kernel/time_64.c +++ b/arch/sparc/kernel/time_64.c @@ -35,6 +35,7 @@ #include <linux/clocksource.h> #include <linux/of_device.h> #include <linux/platform_device.h> +#include <linux/ftrace.h> #include <asm/oplib.h> #include <asm/timer.h> @@ -423,7 +424,7 @@ static int __devinit rtc_probe(struct of_device *op, const struct of_device_id * struct resource *r; printk(KERN_INFO "%s: RTC regs at 0x%llx\n", - op->node->full_name, op->resource[0].start); + op->dev.of_node->full_name, op->resource[0].start); /* The CMOS RTC driver only accepts IORESOURCE_IO, so cons * up a fake resource so that the probe works for all cases. @@ -462,10 +463,11 @@ static struct of_device_id __initdata rtc_match[] = { }; static struct of_platform_driver rtc_driver = { - .match_table = rtc_match, .probe = rtc_probe, - .driver = { - .name = "rtc", + .driver = { + .name = "rtc", + .owner = THIS_MODULE, + .of_match_table = rtc_match, }, }; @@ -479,7 +481,7 @@ static int __devinit bq4802_probe(struct of_device *op, const struct of_device_i { printk(KERN_INFO "%s: BQ4802 regs at 0x%llx\n", - op->node->full_name, op->resource[0].start); + op->dev.of_node->full_name, op->resource[0].start); rtc_bq4802_device.resource = &op->resource[0]; return platform_device_register(&rtc_bq4802_device); @@ -494,10 +496,11 @@ static struct of_device_id __initdata bq4802_match[] = { }; static struct of_platform_driver bq4802_driver = { - .match_table = bq4802_match, .probe = bq4802_probe, - .driver = { - .name = "bq4802", + .driver = { + .name = "bq4802", + .owner = THIS_MODULE, + .of_match_table = bq4802_match, }, }; @@ -533,7 +536,7 @@ static struct platform_device m48t59_rtc = { static int __devinit mostek_probe(struct of_device *op, const struct of_device_id *match) { - struct device_node *dp = op->node; + struct device_node *dp = op->dev.of_node; /* On an Enterprise system there can be multiple mostek clocks. * We should only match the one that is on the central FHC bus. @@ -557,10 +560,11 @@ static struct of_device_id __initdata mostek_match[] = { }; static struct of_platform_driver mostek_driver = { - .match_table = mostek_match, .probe = mostek_probe, - .driver = { - .name = "mostek", + .driver = { + .name = "mostek", + .owner = THIS_MODULE, + .of_match_table = mostek_match, }, }; @@ -717,7 +721,7 @@ static struct clock_event_device sparc64_clockevent = { }; static DEFINE_PER_CPU(struct clock_event_device, sparc64_events); -void timer_interrupt(int irq, struct pt_regs *regs) +void __irq_entry timer_interrupt(int irq, struct pt_regs *regs) { struct pt_regs *old_regs = set_irq_regs(regs); unsigned long tick_mask = tick_ops->softint_mask; @@ -728,6 +732,7 @@ void timer_interrupt(int irq, struct pt_regs *regs) irq_enter(); + local_cpu_data().irq0_irqs++; kstat_incr_irqs_this_cpu(0, irq_to_desc(0)); if (unlikely(!evt->event_handler)) { diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c index 10f7bb9fc140..42ad2ba85010 100644 --- a/arch/sparc/kernel/traps_64.c +++ b/arch/sparc/kernel/traps_64.c @@ -17,6 +17,8 @@ #include <linux/mm.h> #include <linux/init.h> #include <linux/kdebug.h> +#include <linux/ftrace.h> +#include <linux/gfp.h> #include <asm/smp.h> #include <asm/delay.h> @@ -2153,6 +2155,9 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp) unsigned long fp, thread_base, ksp; struct thread_info *tp; int count = 0; +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + int graph = 0; +#endif ksp = (unsigned long) _ksp; if (!tsk) @@ -2192,6 +2197,16 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp) } printk(" [%016lx] %pS\n", pc, (void *) pc); +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + if ((pc + 8UL) == (unsigned long) &return_to_handler) { + int index = tsk->curr_ret_stack; + if (tsk->ret_stack && index >= graph) { + pc = tsk->ret_stack[index - graph].ret; + printk(" [%016lx] %pS\n", pc, (void *) pc); + graph++; + } + } +#endif } while (++count < 16); } @@ -2202,27 +2217,6 @@ void dump_stack(void) EXPORT_SYMBOL(dump_stack); -static inline int is_kernel_stack(struct task_struct *task, - struct reg_window *rw) -{ - unsigned long rw_addr = (unsigned long) rw; - unsigned long thread_base, thread_end; - - if (rw_addr < PAGE_OFFSET) { - if (task != &init_task) - return 0; - } - - thread_base = (unsigned long) task_stack_page(task); - thread_end = thread_base + sizeof(union thread_union); - if (rw_addr >= thread_base && - rw_addr < thread_end && - !(rw_addr & 0x7UL)) - return 1; - - return 0; -} - static inline struct reg_window *kernel_stack_up(struct reg_window *rw) { unsigned long fp = rw->ins[6]; @@ -2251,6 +2245,7 @@ void die_if_kernel(char *str, struct pt_regs *regs) show_regs(regs); add_taint(TAINT_DIE); if (regs->tstate & TSTATE_PRIV) { + struct thread_info *tp = current_thread_info(); struct reg_window *rw = (struct reg_window *) (regs->u_regs[UREG_FP] + STACK_BIAS); @@ -2258,8 +2253,8 @@ void die_if_kernel(char *str, struct pt_regs *regs) * find some badly aligned kernel stack. */ while (rw && - count++ < 30&& - is_kernel_stack(current, rw)) { + count++ < 30 && + kstack_valid(tp, (unsigned long) rw)) { printk("Caller[%016lx]: %pS\n", rw->ins[7], (void *) rw->ins[7]); @@ -2548,15 +2543,6 @@ void __init trap_init(void) rwbuf_stkptrs) || TI_GSR != offsetof(struct thread_info, gsr) || TI_XFSR != offsetof(struct thread_info, xfsr) || - TI_USER_CNTD0 != offsetof(struct thread_info, - user_cntd0) || - TI_USER_CNTD1 != offsetof(struct thread_info, - user_cntd1) || - TI_KERN_CNTD0 != offsetof(struct thread_info, - kernel_cntd0) || - TI_KERN_CNTD1 != offsetof(struct thread_info, - kernel_cntd1) || - TI_PCR != offsetof(struct thread_info, pcr_reg) || TI_PRE_COUNT != offsetof(struct thread_info, preempt_count) || TI_NEW_CHILD != offsetof(struct thread_info, new_child) || diff --git a/arch/sparc/kernel/tsb.S b/arch/sparc/kernel/tsb.S index 8c91d9b29a2f..db15d123f054 100644 --- a/arch/sparc/kernel/tsb.S +++ b/arch/sparc/kernel/tsb.S @@ -191,10 +191,12 @@ tsb_dtlb_load: tsb_itlb_load: /* Executable bit must be set. */ -661: andcc %g5, _PAGE_EXEC_4U, %g0 - .section .sun4v_1insn_patch, "ax" +661: sethi %hi(_PAGE_EXEC_4U), %g4 + andcc %g5, %g4, %g0 + .section .sun4v_2insn_patch, "ax" .word 661b andcc %g5, _PAGE_EXEC_4V, %g0 + nop .previous be,pn %xcc, tsb_do_fault diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c index 378ca82b9ccc..c752c4c479bd 100644 --- a/arch/sparc/kernel/unaligned_64.c +++ b/arch/sparc/kernel/unaligned_64.c @@ -21,6 +21,7 @@ #include <linux/smp.h> #include <linux/bitops.h> #include <linux/perf_event.h> +#include <linux/ratelimit.h> #include <asm/fpumacro.h> enum direction { @@ -49,7 +50,7 @@ static inline enum direction decode_direction(unsigned int insn) } /* 16 = double-word, 8 = extra-word, 4 = word, 2 = half-word */ -static inline int decode_access_size(unsigned int insn) +static inline int decode_access_size(struct pt_regs *regs, unsigned int insn) { unsigned int tmp; @@ -65,7 +66,7 @@ static inline int decode_access_size(unsigned int insn) return 2; else { printk("Impossible unaligned trap. insn=%08x\n", insn); - die_if_kernel("Byte sized unaligned access?!?!", current_thread_info()->kregs); + die_if_kernel("Byte sized unaligned access?!?!", regs); /* GCC should never warn that control reaches the end * of this function without returning a value because @@ -274,13 +275,9 @@ static void kernel_mna_trap_fault(int fixup_tstate_asi) static void log_unaligned(struct pt_regs *regs) { - static unsigned long count, last_time; + static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5); - if (time_after(jiffies, last_time + 5 * HZ)) - count = 0; - if (count < 5) { - last_time = jiffies; - count++; + if (__ratelimit(&ratelimit)) { printk("Kernel unaligned access at TPC[%lx] %pS\n", regs->tpc, (void *) regs->tpc); } @@ -289,7 +286,7 @@ static void log_unaligned(struct pt_regs *regs) asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn) { enum direction dir = decode_direction(insn); - int size = decode_access_size(insn); + int size = decode_access_size(regs, insn); int orig_asi, asi; current_thread_info()->kern_una_regs = regs; @@ -636,7 +633,6 @@ daex: return; } advance(regs); - return; } void handle_stdfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr) @@ -685,5 +681,4 @@ daex: return; } advance(regs); - return; } diff --git a/arch/sparc/kernel/us2e_cpufreq.c b/arch/sparc/kernel/us2e_cpufreq.c index 791c15138f3a..8f982b76c712 100644 --- a/arch/sparc/kernel/us2e_cpufreq.c +++ b/arch/sparc/kernel/us2e_cpufreq.c @@ -238,12 +238,12 @@ static unsigned int us2e_freq_get(unsigned int cpu) return 0; cpus_allowed = current->cpus_allowed; - set_cpus_allowed(current, cpumask_of_cpu(cpu)); + set_cpus_allowed_ptr(current, cpumask_of(cpu)); clock_tick = sparc64_get_clock_tick(cpu) / 1000; estar = read_hbreg(HBIRD_ESTAR_MODE_ADDR); - set_cpus_allowed(current, cpus_allowed); + set_cpus_allowed_ptr(current, &cpus_allowed); return clock_tick / estar_to_divisor(estar); } @@ -259,7 +259,7 @@ static void us2e_set_cpu_divider_index(unsigned int cpu, unsigned int index) return; cpus_allowed = current->cpus_allowed; - set_cpus_allowed(current, cpumask_of_cpu(cpu)); + set_cpus_allowed_ptr(current, cpumask_of(cpu)); new_freq = clock_tick = sparc64_get_clock_tick(cpu) / 1000; new_bits = index_to_estar_mode(index); @@ -281,7 +281,7 @@ static void us2e_set_cpu_divider_index(unsigned int cpu, unsigned int index) cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); - set_cpus_allowed(current, cpus_allowed); + set_cpus_allowed_ptr(current, &cpus_allowed); } static int us2e_freq_target(struct cpufreq_policy *policy, diff --git a/arch/sparc/kernel/us3_cpufreq.c b/arch/sparc/kernel/us3_cpufreq.c index 365b6464e2ce..f35d1e794548 100644 --- a/arch/sparc/kernel/us3_cpufreq.c +++ b/arch/sparc/kernel/us3_cpufreq.c @@ -86,12 +86,12 @@ static unsigned int us3_freq_get(unsigned int cpu) return 0; cpus_allowed = current->cpus_allowed; - set_cpus_allowed(current, cpumask_of_cpu(cpu)); + set_cpus_allowed_ptr(current, cpumask_of(cpu)); reg = read_safari_cfg(); ret = get_current_freq(cpu, reg); - set_cpus_allowed(current, cpus_allowed); + set_cpus_allowed_ptr(current, &cpus_allowed); return ret; } @@ -106,7 +106,7 @@ static void us3_set_cpu_divider_index(unsigned int cpu, unsigned int index) return; cpus_allowed = current->cpus_allowed; - set_cpus_allowed(current, cpumask_of_cpu(cpu)); + set_cpus_allowed_ptr(current, cpumask_of(cpu)); new_freq = sparc64_get_clock_tick(cpu) / 1000; switch (index) { @@ -140,7 +140,7 @@ static void us3_set_cpu_divider_index(unsigned int cpu, unsigned int index) cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); - set_cpus_allowed(current, cpus_allowed); + set_cpus_allowed_ptr(current, &cpus_allowed); } static int us3_freq_target(struct cpufreq_policy *policy, diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c index c28c71449a6c..3cb1def9806c 100644 --- a/arch/sparc/kernel/vio.c +++ b/arch/sparc/kernel/vio.c @@ -10,6 +10,7 @@ */ #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/irq.h> #include <linux/init.h> diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S index 4e5992593967..0c1e6783657f 100644 --- a/arch/sparc/kernel/vmlinux.lds.S +++ b/arch/sparc/kernel/vmlinux.lds.S @@ -46,11 +46,16 @@ SECTIONS SCHED_TEXT LOCK_TEXT KPROBES_TEXT + IRQENTRY_TEXT *(.gnu.warning) } = 0 _etext = .; RO_DATA(PAGE_SIZE) + + /* Start of data section */ + _sdata = .; + .data1 : { *(.data1) } diff --git a/arch/sparc/lib/mcount.S b/arch/sparc/lib/mcount.S index 24b8b12deed2..3ad6cbdc2163 100644 --- a/arch/sparc/lib/mcount.S +++ b/arch/sparc/lib/mcount.S @@ -7,26 +7,11 @@ #include <linux/linkage.h> -#include <asm/ptrace.h> -#include <asm/thread_info.h> - /* * This is the main variant and is called by C code. GCC's -pg option * automatically instruments every C function with a call to this. */ -#ifdef CONFIG_STACK_DEBUG - -#define OVSTACKSIZE 4096 /* lets hope this is enough */ - - .data - .align 8 -panicstring: - .asciz "Stack overflow\n" - .align 8 -ovstack: - .skip OVSTACKSIZE -#endif .text .align 32 .globl _mcount @@ -35,84 +20,48 @@ ovstack: .type mcount,#function _mcount: mcount: -#ifdef CONFIG_STACK_DEBUG - /* - * Check whether %sp is dangerously low. - */ - ldub [%g6 + TI_FPDEPTH], %g1 - srl %g1, 1, %g3 - add %g3, 1, %g3 - sllx %g3, 8, %g3 ! each fpregs frame is 256b - add %g3, 192, %g3 - add %g6, %g3, %g3 ! where does task_struct+frame end? - sub %g3, STACK_BIAS, %g3 - cmp %sp, %g3 - bg,pt %xcc, 1f - nop - lduh [%g6 + TI_CPU], %g1 - sethi %hi(hardirq_stack), %g3 - or %g3, %lo(hardirq_stack), %g3 - sllx %g1, 3, %g1 - ldx [%g3 + %g1], %g7 - sub %g7, STACK_BIAS, %g7 - cmp %sp, %g7 - bleu,pt %xcc, 2f - sethi %hi(THREAD_SIZE), %g3 - add %g7, %g3, %g7 - cmp %sp, %g7 - blu,pn %xcc, 1f -2: sethi %hi(softirq_stack), %g3 - or %g3, %lo(softirq_stack), %g3 - ldx [%g3 + %g1], %g7 - sub %g7, STACK_BIAS, %g7 - cmp %sp, %g7 - bleu,pt %xcc, 3f - sethi %hi(THREAD_SIZE), %g3 - add %g7, %g3, %g7 - cmp %sp, %g7 - blu,pn %xcc, 1f - nop - /* If we are already on ovstack, don't hop onto it - * again, we are already trying to output the stack overflow - * message. - */ -3: sethi %hi(ovstack), %g7 ! cant move to panic stack fast enough - or %g7, %lo(ovstack), %g7 - add %g7, OVSTACKSIZE, %g3 - sub %g3, STACK_BIAS + 192, %g3 - sub %g7, STACK_BIAS, %g7 - cmp %sp, %g7 - blu,pn %xcc, 2f - cmp %sp, %g3 - bleu,pn %xcc, 1f - nop -2: mov %g3, %sp - sethi %hi(panicstring), %g3 - call prom_printf - or %g3, %lo(panicstring), %o0 - call prom_halt - nop -1: -#endif #ifdef CONFIG_FUNCTION_TRACER #ifdef CONFIG_DYNAMIC_FTRACE - mov %o7, %o0 - .globl mcount_call -mcount_call: - call ftrace_stub - mov %o0, %o7 + /* Do nothing, the retl/nop below is all we need. */ #else - sethi %hi(ftrace_trace_function), %g1 + sethi %hi(function_trace_stop), %g1 + lduw [%g1 + %lo(function_trace_stop)], %g2 + brnz,pn %g2, 2f + sethi %hi(ftrace_trace_function), %g1 sethi %hi(ftrace_stub), %g2 ldx [%g1 + %lo(ftrace_trace_function)], %g1 or %g2, %lo(ftrace_stub), %g2 cmp %g1, %g2 be,pn %icc, 1f - mov %i7, %o1 - jmpl %g1, %g0 - mov %o7, %o0 + mov %i7, %g3 + save %sp, -176, %sp + mov %g3, %o1 + jmpl %g1, %o7 + mov %i7, %o0 + ret + restore /* not reached */ 1: +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + sethi %hi(ftrace_graph_return), %g1 + ldx [%g1 + %lo(ftrace_graph_return)], %g3 + cmp %g2, %g3 + bne,pn %xcc, 5f + sethi %hi(ftrace_graph_entry_stub), %g2 + sethi %hi(ftrace_graph_entry), %g1 + or %g2, %lo(ftrace_graph_entry_stub), %g2 + ldx [%g1 + %lo(ftrace_graph_entry)], %g1 + cmp %g1, %g2 + be,pt %xcc, 2f + nop +5: mov %i7, %g2 + mov %fp, %g3 + save %sp, -176, %sp + mov %g2, %l0 + ba,pt %xcc, ftrace_graph_caller + mov %g3, %l1 +#endif +2: #endif #endif retl @@ -131,14 +80,50 @@ ftrace_stub: .globl ftrace_caller .type ftrace_caller,#function ftrace_caller: - mov %i7, %o1 - mov %o7, %o0 + sethi %hi(function_trace_stop), %g1 + mov %i7, %g2 + lduw [%g1 + %lo(function_trace_stop)], %g1 + brnz,pn %g1, ftrace_stub + mov %fp, %g3 + save %sp, -176, %sp + mov %g2, %o1 + mov %g2, %l0 + mov %g3, %l1 .globl ftrace_call ftrace_call: call ftrace_stub - mov %o0, %o7 - retl + mov %i7, %o0 +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + .globl ftrace_graph_call +ftrace_graph_call: + call ftrace_stub nop +#endif + ret + restore +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + .size ftrace_graph_call,.-ftrace_graph_call +#endif + .size ftrace_call,.-ftrace_call .size ftrace_caller,.-ftrace_caller #endif #endif + +#ifdef CONFIG_FUNCTION_GRAPH_TRACER +ENTRY(ftrace_graph_caller) + mov %l0, %o0 + mov %i7, %o1 + call prepare_ftrace_return + mov %l1, %o2 + ret + restore %o0, -8, %i7 +END(ftrace_graph_caller) + +ENTRY(return_to_handler) + save %sp, -176, %sp + call ftrace_return_to_handler + mov %fp, %o0 + jmpl %o0 + 8, %g0 + restore +END(return_to_handler) +#endif diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c index a3413acb8f12..bd8601601afa 100644 --- a/arch/sparc/mm/fault_32.c +++ b/arch/sparc/mm/fault_32.c @@ -35,6 +35,8 @@ extern int prom_node_root; +int show_unhandled_signals = 1; + /* At boot time we determine these two values necessary for setting * up the segment maps and page table entries (pte's). */ @@ -149,6 +151,45 @@ asmlinkage int lookup_fault(unsigned long pc, unsigned long ret_pc, return 0; } +static inline void +show_signal_msg(struct pt_regs *regs, int sig, int code, + unsigned long address, struct task_struct *tsk) +{ + if (!unhandled_signal(tsk, sig)) + return; + + if (!printk_ratelimit()) + return; + + printk("%s%s[%d]: segfault at %lx ip %p (rpc %p) sp %p error %x", + task_pid_nr(tsk) > 1 ? KERN_INFO : KERN_EMERG, + tsk->comm, task_pid_nr(tsk), address, + (void *)regs->pc, (void *)regs->u_regs[UREG_I7], + (void *)regs->u_regs[UREG_FP], code); + + print_vma_addr(KERN_CONT " in ", regs->pc); + + printk(KERN_CONT "\n"); +} + +static void __do_fault_siginfo(int code, int sig, struct pt_regs *regs, + unsigned long addr) +{ + siginfo_t info; + + info.si_signo = sig; + info.si_code = code; + info.si_errno = 0; + info.si_addr = (void __user *) addr; + info.si_trapno = 0; + + if (unlikely(show_unhandled_signals)) + show_signal_msg(regs, sig, info.si_code, + addr, current); + + force_sig_info (sig, &info, current); +} + extern unsigned long safe_compute_effective_address(struct pt_regs *, unsigned int); @@ -168,6 +209,14 @@ static unsigned long compute_si_addr(struct pt_regs *regs, int text_fault) return safe_compute_effective_address(regs, insn); } +static noinline void do_fault_siginfo(int code, int sig, struct pt_regs *regs, + int text_fault) +{ + unsigned long addr = compute_si_addr(regs, text_fault); + + __do_fault_siginfo(code, sig, regs, addr); +} + asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write, unsigned long address) { @@ -176,9 +225,8 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write, struct mm_struct *mm = tsk->mm; unsigned int fixup; unsigned long g2; - siginfo_t info; int from_user = !(regs->psr & PSR_PS); - int fault; + int fault, code; if(text_fault) address = regs->pc; @@ -195,7 +243,7 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write, if (!ARCH_SUN4C && address >= TASK_SIZE) goto vmalloc_fault; - info.si_code = SEGV_MAPERR; + code = SEGV_MAPERR; /* * If we're in an interrupt or have no user @@ -229,7 +277,7 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write, * we can handle it.. */ good_area: - info.si_code = SEGV_ACCERR; + code = SEGV_ACCERR; if(write) { if(!(vma->vm_flags & VM_WRITE)) goto bad_area; @@ -273,18 +321,8 @@ bad_area: bad_area_nosemaphore: /* User mode accesses just cause a SIGSEGV */ - if(from_user) { -#if 0 - printk("Fault whee %s [%d]: segfaults at %08lx pc=%08lx\n", - tsk->comm, tsk->pid, address, regs->pc); -#endif - info.si_signo = SIGSEGV; - info.si_errno = 0; - /* info.si_code set above to make clear whether - this was a SEGV_MAPERR or SEGV_ACCERR fault. */ - info.si_addr = (void __user *)compute_si_addr(regs, text_fault); - info.si_trapno = 0; - force_sig_info (SIGSEGV, &info, tsk); + if (from_user) { + do_fault_siginfo(code, SIGSEGV, regs, text_fault); return; } @@ -335,12 +373,7 @@ out_of_memory: do_sigbus: up_read(&mm->mmap_sem); - info.si_signo = SIGBUS; - info.si_errno = 0; - info.si_code = BUS_ADRERR; - info.si_addr = (void __user *) compute_si_addr(regs, text_fault); - info.si_trapno = 0; - force_sig_info (SIGBUS, &info, tsk); + do_fault_siginfo(BUS_ADRERR, SIGBUS, regs, text_fault); if (!from_user) goto no_context; @@ -378,7 +411,7 @@ asmlinkage void do_sun4c_fault(struct pt_regs *regs, int text_fault, int write, unsigned long address) { extern void sun4c_update_mmu_cache(struct vm_area_struct *, - unsigned long,pte_t); + unsigned long,pte_t *); extern pte_t *sun4c_pte_offset_kernel(pmd_t *,unsigned long); struct task_struct *tsk = current; struct mm_struct *mm = tsk->mm; @@ -455,7 +488,7 @@ asmlinkage void do_sun4c_fault(struct pt_regs *regs, int text_fault, int write, * on the CPU and doing a shrink_mmap() on this vma. */ sun4c_update_mmu_cache (find_vma(current->mm, address), address, - *ptep); + ptep); else do_sparc_fault(regs, text_fault, write, address); } @@ -466,14 +499,10 @@ static void force_user_fault(unsigned long address, int write) struct vm_area_struct *vma; struct task_struct *tsk = current; struct mm_struct *mm = tsk->mm; - siginfo_t info; + int code; - info.si_code = SEGV_MAPERR; + code = SEGV_MAPERR; -#if 0 - printk("wf<pid=%d,wr=%d,addr=%08lx>\n", - tsk->pid, write, address); -#endif down_read(&mm->mmap_sem); vma = find_vma(mm, address); if(!vma) @@ -485,7 +514,7 @@ static void force_user_fault(unsigned long address, int write) if(expand_stack(vma, address)) goto bad_area; good_area: - info.si_code = SEGV_ACCERR; + code = SEGV_ACCERR; if(write) { if(!(vma->vm_flags & VM_WRITE)) goto bad_area; @@ -502,27 +531,12 @@ good_area: return; bad_area: up_read(&mm->mmap_sem); -#if 0 - printk("Window whee %s [%d]: segfaults at %08lx\n", - tsk->comm, tsk->pid, address); -#endif - info.si_signo = SIGSEGV; - info.si_errno = 0; - /* info.si_code set above to make clear whether - this was a SEGV_MAPERR or SEGV_ACCERR fault. */ - info.si_addr = (void __user *) address; - info.si_trapno = 0; - force_sig_info (SIGSEGV, &info, tsk); + __do_fault_siginfo(code, SIGSEGV, tsk->thread.kregs, address); return; do_sigbus: up_read(&mm->mmap_sem); - info.si_signo = SIGBUS; - info.si_errno = 0; - info.si_code = BUS_ADRERR; - info.si_addr = (void __user *) address; - info.si_trapno = 0; - force_sig_info (SIGBUS, &info, tsk); + __do_fault_siginfo(BUS_ADRERR, SIGBUS, tsk->thread.kregs, address); } void window_overflow_fault(void) diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c index b9d4ff02b8fc..f92ce56a8b22 100644 --- a/arch/sparc/mm/fault_64.c +++ b/arch/sparc/mm/fault_64.c @@ -32,6 +32,8 @@ #include <asm/sections.h> #include <asm/mmu_context.h> +int show_unhandled_signals = 1; + static inline __kprobes int notify_page_fault(struct pt_regs *regs) { int ret = 0; @@ -128,22 +130,48 @@ outret: return insn; } +static inline void +show_signal_msg(struct pt_regs *regs, int sig, int code, + unsigned long address, struct task_struct *tsk) +{ + if (!unhandled_signal(tsk, sig)) + return; + + if (!printk_ratelimit()) + return; + + printk("%s%s[%d]: segfault at %lx ip %p (rpc %p) sp %p error %x", + task_pid_nr(tsk) > 1 ? KERN_INFO : KERN_EMERG, + tsk->comm, task_pid_nr(tsk), address, + (void *)regs->tpc, (void *)regs->u_regs[UREG_I7], + (void *)regs->u_regs[UREG_FP], code); + + print_vma_addr(KERN_CONT " in ", regs->tpc); + + printk(KERN_CONT "\n"); +} + extern unsigned long compute_effective_address(struct pt_regs *, unsigned int, unsigned int); static void do_fault_siginfo(int code, int sig, struct pt_regs *regs, unsigned int insn, int fault_code) { + unsigned long addr; siginfo_t info; info.si_code = code; info.si_signo = sig; info.si_errno = 0; if (fault_code & FAULT_CODE_ITLB) - info.si_addr = (void __user *) regs->tpc; + addr = regs->tpc; else - info.si_addr = (void __user *) - compute_effective_address(regs, insn, 0); + addr = compute_effective_address(regs, insn, 0); + info.si_addr = (void __user *) addr; info.si_trapno = 0; + + if (unlikely(show_unhandled_signals)) + show_signal_msg(regs, sig, code, addr, current); + force_sig_info(sig, &info, current); } diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c index f27d10369e0c..5fdddf134caa 100644 --- a/arch/sparc/mm/hugetlbpage.c +++ b/arch/sparc/mm/hugetlbpage.c @@ -10,7 +10,6 @@ #include <linux/mm.h> #include <linux/hugetlb.h> #include <linux/pagemap.h> -#include <linux/slab.h> #include <linux/sysctl.h> #include <asm/mman.h> diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c index dc7c3b17a15f..6d0e02c4fe09 100644 --- a/arch/sparc/mm/init_32.c +++ b/arch/sparc/mm/init_32.c @@ -24,6 +24,7 @@ #include <linux/bootmem.h> #include <linux/pagemap.h> #include <linux/poison.h> +#include <linux/gfp.h> #include <asm/sections.h> #include <asm/system.h> diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index 1886d37d411b..b2831dc3c121 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -13,7 +13,6 @@ #include <linux/bootmem.h> #include <linux/mm.h> #include <linux/hugetlb.h> -#include <linux/slab.h> #include <linux/initrd.h> #include <linux/swap.h> #include <linux/pagemap.h> @@ -26,6 +25,7 @@ #include <linux/percpu.h> #include <linux/lmb.h> #include <linux/mmzone.h> +#include <linux/gfp.h> #include <asm/head.h> #include <asm/system.h> @@ -289,12 +289,13 @@ static void flush_dcache(unsigned long pfn) } } -void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte) +void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { struct mm_struct *mm; struct tsb *tsb; unsigned long tag, flags; unsigned long tsb_index, tsb_hash_shift; + pte_t pte = *ptep; if (tlb_type != hypervisor) { unsigned long pfn = pte_pfn(pte); @@ -2116,7 +2117,7 @@ int __meminit vmemmap_populate(struct page *start, unsigned long nr, int node) "node=%d entry=%lu/%lu\n", start, block, nr, node, addr >> VMEMMAP_CHUNK_SHIFT, - VMEMMAP_SIZE >> VMEMMAP_CHUNK_SHIFT); + VMEMMAP_SIZE); } } return 0; diff --git a/arch/sparc/mm/nosun4c.c b/arch/sparc/mm/nosun4c.c index 196263f895b7..4e62c27147c4 100644 --- a/arch/sparc/mm/nosun4c.c +++ b/arch/sparc/mm/nosun4c.c @@ -62,7 +62,7 @@ pte_t *sun4c_pte_offset_kernel(pmd_t *dir, unsigned long address) return NULL; } -void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte) +void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { } diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index 367321a030dd..f5f75a58e0b3 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -10,7 +10,6 @@ #include <linux/kernel.h> #include <linux/mm.h> -#include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/pagemap.h> #include <linux/init.h> @@ -20,6 +19,7 @@ #include <linux/seq_file.h> #include <linux/kdebug.h> #include <linux/log2.h> +#include <linux/gfp.h> #include <asm/bitext.h> #include <asm/page.h> @@ -694,7 +694,7 @@ extern void tsunami_setup_blockops(void); * The following code is a deadwood that may be necessary when * we start to make precise page flushes again. --zaitcev */ -static void swift_update_mmu_cache(struct vm_area_struct * vma, unsigned long address, pte_t pte) +static void swift_update_mmu_cache(struct vm_area_struct * vma, unsigned long address, pte_t *ptep) { #if 0 static unsigned long last; @@ -703,10 +703,10 @@ static void swift_update_mmu_cache(struct vm_area_struct * vma, unsigned long ad if (address == last) { val = srmmu_hwprobe(address); - if (val != 0 && pte_val(pte) != val) { + if (val != 0 && pte_val(*ptep) != val) { printk("swift_update_mmu_cache: " "addr %lx put %08x probed %08x from %p\n", - address, pte_val(pte), val, + address, pte_val(*ptep), val, __builtin_return_address(0)); srmmu_flush_whole_tlb(); } diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c index a89baf0d875a..cf38846753dd 100644 --- a/arch/sparc/mm/sun4c.c +++ b/arch/sparc/mm/sun4c.c @@ -12,6 +12,7 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/init.h> +#include <linux/slab.h> #include <linux/bootmem.h> #include <linux/highmem.h> #include <linux/fs.h> @@ -1887,7 +1888,7 @@ static void sun4c_check_pgt_cache(int low, int high) /* An experiment, turn off by default for now... -DaveM */ #define SUN4C_PRELOAD_PSEG -void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte) +void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { unsigned long flags; int pseg; @@ -1929,7 +1930,7 @@ void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, p start += PAGE_SIZE; } #ifndef SUN4C_PRELOAD_PSEG - sun4c_put_pte(address, pte_val(pte)); + sun4c_put_pte(address, pte_val(*ptep)); #endif local_irq_restore(flags); return; @@ -1940,7 +1941,7 @@ void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, p add_lru(entry); } - sun4c_put_pte(address, pte_val(pte)); + sun4c_put_pte(address, pte_val(*ptep)); local_irq_restore(flags); } diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c index 36a0813f9517..101d7c82870b 100644 --- a/arch/sparc/mm/tsb.c +++ b/arch/sparc/mm/tsb.c @@ -5,6 +5,7 @@ #include <linux/kernel.h> #include <linux/preempt.h> +#include <linux/slab.h> #include <asm/system.h> #include <asm/page.h> #include <asm/tlbflush.h> diff --git a/arch/sparc/prom/console_32.c b/arch/sparc/prom/console_32.c index b3075d73fc19..5340264b78f5 100644 --- a/arch/sparc/prom/console_32.c +++ b/arch/sparc/prom/console_32.c @@ -94,5 +94,4 @@ void prom_putchar(char c) { while(prom_nbputchar(c) == -1) ; - return; } diff --git a/arch/sparc/prom/console_64.c b/arch/sparc/prom/console_64.c index e1c3fc87484d..f55d58a8a156 100644 --- a/arch/sparc/prom/console_64.c +++ b/arch/sparc/prom/console_64.c @@ -62,7 +62,6 @@ void prom_putchar(char c) { prom_nbputchar(c); - return; } void diff --git a/arch/sparc/prom/devmap.c b/arch/sparc/prom/devmap.c index 1e517915b0df..46157d2aba0d 100644 --- a/arch/sparc/prom/devmap.c +++ b/arch/sparc/prom/devmap.c @@ -50,5 +50,4 @@ prom_unmapio(char *vaddr, unsigned int num_bytes) (*(romvec->pv_v2devops.v2_dumb_munmap))(vaddr, num_bytes); restore_current(); spin_unlock_irqrestore(&prom_lock, flags); - return; } diff --git a/arch/sparc/prom/devops_32.c b/arch/sparc/prom/devops_32.c index 9f1a95c91ad1..9c5d4687242a 100644 --- a/arch/sparc/prom/devops_32.c +++ b/arch/sparc/prom/devops_32.c @@ -84,6 +84,4 @@ prom_seek(int dhandle, unsigned int seekhi, unsigned int seeklo) }; restore_current(); spin_unlock_irqrestore(&prom_lock, flags); - - return; } diff --git a/arch/sparc/prom/init_32.c b/arch/sparc/prom/init_32.c index 6193c33ed4d4..ccb36c7f9b8c 100644 --- a/arch/sparc/prom/init_32.c +++ b/arch/sparc/prom/init_32.c @@ -75,5 +75,4 @@ void __init prom_init(struct linux_romvec *rp) romvec->pv_romvers, prom_rev); /* Initialization successful. */ - return; } diff --git a/arch/sparc/prom/p1275.c b/arch/sparc/prom/p1275.c index 4b7c937bba61..2d8b70d397f1 100644 --- a/arch/sparc/prom/p1275.c +++ b/arch/sparc/prom/p1275.c @@ -32,10 +32,9 @@ extern void prom_cif_interface(void); extern void prom_cif_callback(void); /* - * This provides SMP safety on the p1275buf. prom_callback() drops this lock - * to allow recursuve acquisition. + * This provides SMP safety on the p1275buf. */ -DEFINE_SPINLOCK(prom_entry_lock); +DEFINE_RAW_SPINLOCK(prom_entry_lock); long p1275_cmd(const char *service, long fmt, ...) { @@ -47,7 +46,9 @@ long p1275_cmd(const char *service, long fmt, ...) p = p1275buf.prom_buffer; - spin_lock_irqsave(&prom_entry_lock, flags); + raw_local_save_flags(flags); + raw_local_irq_restore(PIL_NMI); + raw_spin_lock(&prom_entry_lock); p1275buf.prom_args[0] = (unsigned long)p; /* service */ strcpy (p, service); @@ -139,7 +140,8 @@ long p1275_cmd(const char *service, long fmt, ...) va_end(list); x = p1275buf.prom_args [nargs + 3]; - spin_unlock_irqrestore(&prom_entry_lock, flags); + raw_spin_unlock(&prom_entry_lock); + raw_local_irq_restore(flags); return x; } diff --git a/arch/sparc/prom/palloc.c b/arch/sparc/prom/palloc.c index 20be339cc2ce..2e2a88b211fb 100644 --- a/arch/sparc/prom/palloc.c +++ b/arch/sparc/prom/palloc.c @@ -40,5 +40,4 @@ prom_free(char *vaddr, unsigned int num_bytes) { if((prom_vers == PROM_V0) || (num_bytes == 0x0)) return; (*(romvec->pv_v2devops.v2_dumb_mem_free))(vaddr, num_bytes); - return; } diff --git a/arch/sparc/prom/ranges.c b/arch/sparc/prom/ranges.c index cd5790853ff6..aeff43e44e45 100644 --- a/arch/sparc/prom/ranges.c +++ b/arch/sparc/prom/ranges.c @@ -87,8 +87,6 @@ void __init prom_ranges_init(void) if(num_obio_ranges) prom_printf("PROMLIB: obio_ranges %d\n", num_obio_ranges); - - return; } void diff --git a/arch/sparc/prom/segment.c b/arch/sparc/prom/segment.c index 04fd03a7f926..86a663f1d3c5 100644 --- a/arch/sparc/prom/segment.c +++ b/arch/sparc/prom/segment.c @@ -25,5 +25,4 @@ prom_putsegment(int ctx, unsigned long vaddr, int segment) (*(romvec->pv_setctxt))(ctx, (char *) vaddr, segment); restore_current(); spin_unlock_irqrestore(&prom_lock, flags); - return; } diff --git a/arch/sparc/prom/tree_32.c b/arch/sparc/prom/tree_32.c index 646d244b1fdb..b21592f8e3fe 100644 --- a/arch/sparc/prom/tree_32.c +++ b/arch/sparc/prom/tree_32.c @@ -173,7 +173,6 @@ void prom_getstring(int node, char *prop, char *user_buf, int ubuf_size) len = prom_getproperty(node, prop, user_buf, ubuf_size); if(len != -1) return; user_buf[0] = 0; - return; } EXPORT_SYMBOL(prom_getstring); diff --git a/arch/sparc/prom/tree_64.c b/arch/sparc/prom/tree_64.c index 8ea73ddc61dc..3c0d2dd9f693 100644 --- a/arch/sparc/prom/tree_64.c +++ b/arch/sparc/prom/tree_64.c @@ -154,7 +154,6 @@ void prom_getstring(int node, const char *prop, char *user_buf, int ubuf_size) len = prom_getproperty(node, prop, user_buf, ubuf_size); if(len != -1) return; user_buf[0] = 0; - return; } EXPORT_SYMBOL(prom_getstring); |