diff options
43 files changed, 674 insertions, 342 deletions
diff --git a/Documentation/powerpc/dts-bindings/fsl/cpm_qe/qe.txt b/Documentation/powerpc/dts-bindings/fsl/cpm_qe/qe.txt index 6e37be1eeb2d..4f8930263dd9 100644 --- a/Documentation/powerpc/dts-bindings/fsl/cpm_qe/qe.txt +++ b/Documentation/powerpc/dts-bindings/fsl/cpm_qe/qe.txt @@ -21,6 +21,15 @@ Required properties: - fsl,qe-num-snums: define how many serial number(SNUM) the QE can use for the threads. +Optional properties: +- fsl,firmware-phandle: + Usage: required only if there is no fsl,qe-firmware child node + Value type: <phandle> + Definition: Points to a firmware node (see "QE Firmware Node" below) + that contains the firmware that should be uploaded for this QE. + The compatible property for the firmware node should say, + "fsl,qe-firmware". + Recommended properties - brg-frequency : the internal clock source frequency for baud-rate generators in Hz. @@ -59,3 +68,48 @@ Example: reg = <0 c000>; }; }; + +* QE Firmware Node + +This node defines a firmware binary that is embedded in the device tree, for +the purpose of passing the firmware from bootloader to the kernel, or from +the hypervisor to the guest. + +The firmware node itself contains the firmware binary contents, a compatible +property, and any firmware-specific properties. The node should be placed +inside a QE node that needs it. Doing so eliminates the need for a +fsl,firmware-phandle property. Other QE nodes that need the same firmware +should define an fsl,firmware-phandle property that points to the firmware node +in the first QE node. + +The fsl,firmware property can be specified in the DTS (possibly using incbin) +or can be inserted by the boot loader at boot time. + +Required properties: + - compatible + Usage: required + Value type: <string> + Definition: A standard property. Specify a string that indicates what + kind of firmware it is. For QE, this should be "fsl,qe-firmware". + + - fsl,firmware + Usage: required + Value type: <prop-encoded-array>, encoded as an array of bytes + Definition: A standard property. This property contains the firmware + binary "blob". + +Example: + qe1@e0080000 { + compatible = "fsl,qe"; + qe_firmware:qe-firmware { + compatible = "fsl,qe-firmware"; + fsl,firmware = [0x70 0xcd 0x00 0x00 0x01 0x46 0x45 ...]; + }; + ... + }; + + qe2@e0090000 { + compatible = "fsl,qe"; + fsl,firmware-phandle = <&qe_firmware>; + ... + }; diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index 72da7e045c6b..0d08d4170b64 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -15,6 +15,7 @@ #include <asm/glue.h> #include <asm/shmparam.h> #include <asm/cachetype.h> +#include <asm/outercache.h> #define CACHE_COLOUR(vaddr) ((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT) @@ -219,12 +220,6 @@ struct cpu_cache_fns { void (*dma_flush_range)(const void *, const void *); }; -struct outer_cache_fns { - void (*inv_range)(unsigned long, unsigned long); - void (*clean_range)(unsigned long, unsigned long); - void (*flush_range)(unsigned long, unsigned long); -}; - /* * Select the calling method */ @@ -281,37 +276,6 @@ extern void dmac_flush_range(const void *, const void *); #endif -#ifdef CONFIG_OUTER_CACHE - -extern struct outer_cache_fns outer_cache; - -static inline void outer_inv_range(unsigned long start, unsigned long end) -{ - if (outer_cache.inv_range) - outer_cache.inv_range(start, end); -} -static inline void outer_clean_range(unsigned long start, unsigned long end) -{ - if (outer_cache.clean_range) - outer_cache.clean_range(start, end); -} -static inline void outer_flush_range(unsigned long start, unsigned long end) -{ - if (outer_cache.flush_range) - outer_cache.flush_range(start, end); -} - -#else - -static inline void outer_inv_range(unsigned long start, unsigned long end) -{ } -static inline void outer_clean_range(unsigned long start, unsigned long end) -{ } -static inline void outer_flush_range(unsigned long start, unsigned long end) -{ } - -#endif - /* * Copy user data from/to a page which is mapped into a different * processes address space. Really, we want to allow our "user diff --git a/arch/arm/include/asm/clkdev.h b/arch/arm/include/asm/clkdev.h index 7a0690da5e63..b56c1389b6fa 100644 --- a/arch/arm/include/asm/clkdev.h +++ b/arch/arm/include/asm/clkdev.h @@ -13,6 +13,7 @@ #define __ASM_CLKDEV_H struct clk; +struct device; struct clk_lookup { struct list_head node; diff --git a/arch/arm/include/asm/irq.h b/arch/arm/include/asm/irq.h index 328f14a8b790..237282f7c762 100644 --- a/arch/arm/include/asm/irq.h +++ b/arch/arm/include/asm/irq.h @@ -17,6 +17,7 @@ #ifndef __ASSEMBLY__ struct irqaction; +struct pt_regs; extern void migrate_irqs(void); extern void asm_do_IRQ(unsigned int, struct pt_regs *); diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h new file mode 100644 index 000000000000..25f76bae57ab --- /dev/null +++ b/arch/arm/include/asm/outercache.h @@ -0,0 +1,75 @@ +/* + * arch/arm/include/asm/outercache.h + * + * Copyright (C) 2010 ARM Ltd. + * Written by Catalin Marinas <catalin.marinas@arm.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __ASM_OUTERCACHE_H +#define __ASM_OUTERCACHE_H + +struct outer_cache_fns { + void (*inv_range)(unsigned long, unsigned long); + void (*clean_range)(unsigned long, unsigned long); + void (*flush_range)(unsigned long, unsigned long); +#ifdef CONFIG_OUTER_CACHE_SYNC + void (*sync)(void); +#endif +}; + +#ifdef CONFIG_OUTER_CACHE + +extern struct outer_cache_fns outer_cache; + +static inline void outer_inv_range(unsigned long start, unsigned long end) +{ + if (outer_cache.inv_range) + outer_cache.inv_range(start, end); +} +static inline void outer_clean_range(unsigned long start, unsigned long end) +{ + if (outer_cache.clean_range) + outer_cache.clean_range(start, end); +} +static inline void outer_flush_range(unsigned long start, unsigned long end) +{ + if (outer_cache.flush_range) + outer_cache.flush_range(start, end); +} + +#else + +static inline void outer_inv_range(unsigned long start, unsigned long end) +{ } +static inline void outer_clean_range(unsigned long start, unsigned long end) +{ } +static inline void outer_flush_range(unsigned long start, unsigned long end) +{ } + +#endif + +#ifdef CONFIG_OUTER_CACHE_SYNC +static inline void outer_sync(void) +{ + if (outer_cache.sync) + outer_cache.sync(); +} +#else +static inline void outer_sync(void) +{ } +#endif + +#endif /* __ASM_OUTERCACHE_H */ diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index ca88e6a84707..4ace45ec3ef8 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -60,6 +60,8 @@ #include <linux/linkage.h> #include <linux/irqflags.h> +#include <asm/outercache.h> + #define __exception __attribute__((section(".exception.text"))) struct thread_info; @@ -137,10 +139,12 @@ extern unsigned int user_debug; #define dmb() __asm__ __volatile__ ("" : : : "memory") #endif -#if __LINUX_ARM_ARCH__ >= 7 || defined(CONFIG_SMP) -#define mb() dmb() +#ifdef CONFIG_ARCH_HAS_BARRIERS +#include <mach/barriers.h> +#elif __LINUX_ARM_ARCH__ >= 7 || defined(CONFIG_SMP) +#define mb() do { dsb(); outer_sync(); } while (0) #define rmb() dmb() -#define wmb() dmb() +#define wmb() mb() #else #define mb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0) #define rmb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0) @@ -152,9 +156,9 @@ extern unsigned int user_debug; #define smp_rmb() barrier() #define smp_wmb() barrier() #else -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() +#define smp_mb() dmb() +#define smp_rmb() dmb() +#define smp_wmb() dmb() #endif #define read_barrier_depends() do { } while(0) diff --git a/arch/arm/kernel/kprobes.c b/arch/arm/kernel/kprobes.c index 60c62c377fa9..610e0f561c32 100644 --- a/arch/arm/kernel/kprobes.c +++ b/arch/arm/kernel/kprobes.c @@ -393,6 +393,14 @@ void __kprobes jprobe_return(void) /* * Setup an empty pt_regs. Fill SP and PC fields as * they're needed by longjmp_break_handler. + * + * We allocate some slack between the original SP and start of + * our fabricated regs. To be precise we want to have worst case + * covered which is STMFD with all 16 regs so we allocate 2 * + * sizeof(struct_pt_regs)). + * + * This is to prevent any simulated instruction from writing + * over the regs when they are accessing the stack. */ "sub sp, %0, %1 \n\t" "ldr r0, ="__stringify(JPROBE_MAGIC_ADDR)"\n\t" @@ -410,7 +418,7 @@ void __kprobes jprobe_return(void) "ldmia sp, {r0 - pc} \n\t" : : "r" (kcb->jprobe_saved_regs.ARM_sp), - "I" (sizeof(struct pt_regs)), + "I" (sizeof(struct pt_regs) * 2), "J" (offsetof(struct pt_regs, ARM_sp)), "J" (offsetof(struct pt_regs, ARM_pc)), "J" (offsetof(struct pt_regs, ARM_cpsr)) diff --git a/arch/arm/lib/memmove.S b/arch/arm/lib/memmove.S index 5025c863713d..938fc14f962d 100644 --- a/arch/arm/lib/memmove.S +++ b/arch/arm/lib/memmove.S @@ -74,7 +74,7 @@ ENTRY(memmove) rsb ip, ip, #32 addne pc, pc, ip @ C is always clear here b 7f -6: nop +6: W(nop) W(ldr) r3, [r1, #-4]! W(ldr) r4, [r1, #-4]! W(ldr) r5, [r1, #-4]! @@ -85,7 +85,7 @@ ENTRY(memmove) add pc, pc, ip nop - nop + W(nop) W(str) r3, [r0, #-4]! W(str) r4, [r0, #-4]! W(str) r5, [r0, #-4]! diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index c4ed9f93f646..5bd7c89a6045 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -736,6 +736,12 @@ config NEEDS_SYSCALL_FOR_CMPXCHG config OUTER_CACHE bool +config OUTER_CACHE_SYNC + bool + help + The outer cache has a outer_cache_fns.sync function pointer + that can be used to drain the write buffer of the outer cache. + config CACHE_FEROCEON_L2 bool "Enable the Feroceon L2 cache controller" depends on ARCH_KIRKWOOD || ARCH_MV78XX0 @@ -757,6 +763,7 @@ config CACHE_L2X0 REALVIEW_EB_A9MP || ARCH_MX35 || ARCH_MX31 || MACH_REALVIEW_PBX || ARCH_NOMADIK || ARCH_OMAP4 default y select OUTER_CACHE + select OUTER_CACHE_SYNC help This option enables the L2x0 PrimeCell. @@ -781,3 +788,9 @@ config ARM_L1_CACHE_SHIFT int default 6 if ARM_L1_CACHE_SHIFT_6 default 5 + +config ARCH_HAS_BARRIERS + bool + help + This option allows the use of custom mandatory barriers + included via the mach/barriers.h file. diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index 07334632d3e2..21ad68ba22ba 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -93,6 +93,15 @@ static inline void l2x0_flush_line(unsigned long addr) } #endif +static void l2x0_cache_sync(void) +{ + unsigned long flags; + + spin_lock_irqsave(&l2x0_lock, flags); + cache_sync(); + spin_unlock_irqrestore(&l2x0_lock, flags); +} + static inline void l2x0_inv_all(void) { unsigned long flags; @@ -225,6 +234,7 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask) outer_cache.inv_range = l2x0_inv_range; outer_cache.clean_range = l2x0_clean_range; outer_cache.flush_range = l2x0_flush_range; + outer_cache.sync = l2x0_cache_sync; printk(KERN_INFO "L2X0 cache controller enabled\n"); } diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 7f3f59fcaa21..a420cb949328 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -545,7 +545,7 @@ static int __init vfp_init(void) */ elf_hwcap |= HWCAP_VFP; #ifdef CONFIG_VFPv3 - if (VFP_arch >= 3) { + if (VFP_arch >= 2) { elf_hwcap |= HWCAP_VFPv3; /* diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c index 929d017535a3..d4f8be307cd5 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c @@ -481,6 +481,8 @@ mpc52xx_lpbfifo_probe(struct of_device *op, const struct of_device_id *match) if (rc) goto err_bcom_rx_irq; + lpbfifo.dma_irqs_enabled = 1; + /* Request the Bestcomm transmit (memory --> fifo) task and IRQ */ lpbfifo.bcom_tx_task = bcom_gen_bd_tx_init(2, res.start + LPBFIFO_REG_FIFO_DATA, diff --git a/arch/sh/configs/ecovec24_defconfig b/arch/sh/configs/ecovec24_defconfig index 18e3356406f3..6041c66dd10e 100644 --- a/arch/sh/configs/ecovec24_defconfig +++ b/arch/sh/configs/ecovec24_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.33-rc2 -# Mon Jan 4 11:20:36 2010 +# Linux kernel version: 2.6.34-rc2 +# Mon Mar 29 02:21:58 2010 # CONFIG_SUPERH=y CONFIG_SUPERH32=y @@ -13,8 +13,8 @@ CONFIG_GENERIC_FIND_NEXT_BIT=y CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y -CONFIG_GENERIC_IRQ_PROBE=y CONFIG_IRQ_PER_CPU=y +CONFIG_SPARSE_IRQ=y CONFIG_GENERIC_GPIO=y CONFIG_GENERIC_TIME=y CONFIG_GENERIC_CLOCKEVENTS=y @@ -32,6 +32,7 @@ CONFIG_ARCH_NO_VIRT_TO_BUS=y CONFIG_ARCH_HAS_DEFAULT_IDLE=y CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y CONFIG_DMA_NONCOHERENT=y +CONFIG_NEED_DMA_MAP_STATE=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" CONFIG_CONSTRUCTORS=y @@ -47,9 +48,11 @@ CONFIG_LOCALVERSION="" CONFIG_HAVE_KERNEL_GZIP=y CONFIG_HAVE_KERNEL_BZIP2=y CONFIG_HAVE_KERNEL_LZMA=y +CONFIG_HAVE_KERNEL_LZO=y CONFIG_KERNEL_GZIP=y # CONFIG_KERNEL_BZIP2 is not set # CONFIG_KERNEL_LZMA is not set +# CONFIG_KERNEL_LZO is not set CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_SYSVIPC_SYSCTL=y @@ -71,14 +74,8 @@ 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 is not set -CONFIG_USER_SCHED=y -# CONFIG_CGROUP_SCHED is not set # CONFIG_CGROUPS is not set -CONFIG_SYSFS_DEPRECATED=y -CONFIG_SYSFS_DEPRECATED_V2=y +# CONFIG_SYSFS_DEPRECATED_V2 is not set # CONFIG_RELAY is not set # CONFIG_NAMESPACES is not set # CONFIG_BLK_DEV_INITRD is not set @@ -107,7 +104,7 @@ CONFIG_PERF_USE_VMALLOC=y # # Kernel Performance Events And Counters # -# CONFIG_PERF_EVENTS is not set +CONFIG_PERF_EVENTS=y # CONFIG_PERF_COUNTERS is not set CONFIG_VM_EVENT_COUNTERS=y CONFIG_COMPAT_BRK=y @@ -116,13 +113,13 @@ CONFIG_SLAB=y # CONFIG_SLOB is not set # CONFIG_PROFILING is not set CONFIG_HAVE_OPROFILE=y -CONFIG_HAVE_IOREMAP_PROT=y CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y CONFIG_HAVE_ARCH_TRACEHOOK=y CONFIG_HAVE_DMA_ATTRS=y CONFIG_HAVE_CLK=y CONFIG_HAVE_DMA_API_DEBUG=y +CONFIG_HAVE_HW_BREAKPOINT=y # # GCOV-based kernel profiling @@ -234,12 +231,12 @@ CONFIG_CPU_SUBTYPE_SH7724=y CONFIG_QUICKLIST=y CONFIG_MMU=y CONFIG_PAGE_OFFSET=0x80000000 -CONFIG_FORCE_MAX_ZONEORDER=11 +CONFIG_FORCE_MAX_ZONEORDER=12 CONFIG_MEMORY_START=0x08000000 CONFIG_MEMORY_SIZE=0x10000000 CONFIG_29BIT=y -# CONFIG_PMB_ENABLE is not set -# CONFIG_X2TLB is not set +# CONFIG_PMB is not set +CONFIG_X2TLB=y CONFIG_VSYSCALL=y CONFIG_ARCH_FLATMEM_ENABLE=y CONFIG_ARCH_SPARSEMEM_ENABLE=y @@ -247,6 +244,8 @@ CONFIG_ARCH_SPARSEMEM_DEFAULT=y CONFIG_MAX_ACTIVE_REGIONS=1 CONFIG_ARCH_POPULATES_NODE_MAP=y CONFIG_ARCH_SELECT_MEMORY_MODEL=y +CONFIG_IOREMAP_FIXED=y +CONFIG_UNCACHED_MAPPING=y CONFIG_PAGE_SIZE_4KB=y # CONFIG_PAGE_SIZE_8KB is not set # CONFIG_PAGE_SIZE_16KB is not set @@ -262,7 +261,7 @@ CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_PHYS_ADDR_T_64BIT is not set CONFIG_ZONE_DMA_FLAG=0 -CONFIG_NR_QUICK=2 +CONFIG_NR_QUICK=1 # CONFIG_KSM is not set CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 @@ -337,7 +336,6 @@ CONFIG_SECCOMP=y # CONFIG_PREEMPT_VOLUNTARY is not set CONFIG_PREEMPT=y CONFIG_GUSA=y -# CONFIG_SPARSE_IRQ is not set # # Boot options @@ -347,7 +345,7 @@ CONFIG_BOOT_LINK_OFFSET=0x00800000 CONFIG_ENTRY_OFFSET=0x00001000 CONFIG_CMDLINE_OVERWRITE=y # CONFIG_CMDLINE_EXTEND is not set -CONFIG_CMDLINE="console=tty0, console=ttySC0,115200 root=/dev/nfs ip=dhcp mem=120M memchunk.vpu=4m" +CONFIG_CMDLINE="console=tty0, console=ttySC0,115200 root=/dev/nfs ip=dhcp mem=248M memchunk.vpu=8m memchunk.veu0=4m" # # Bus options @@ -373,6 +371,7 @@ CONFIG_SUSPEND=y CONFIG_SUSPEND_FREEZER=y # CONFIG_HIBERNATION is not set CONFIG_PM_RUNTIME=y +CONFIG_PM_OPS=y # CONFIG_CPU_IDLE is not set CONFIG_NET=y @@ -380,7 +379,6 @@ CONFIG_NET=y # Networking options # CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y # CONFIG_NET_KEY is not set CONFIG_INET=y @@ -445,7 +443,45 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_NET_PKTGEN is not set # CONFIG_HAMRADIO is not set # CONFIG_CAN is not set -# CONFIG_IRDA is not set +CONFIG_IRDA=y + +# +# IrDA protocols +# +# CONFIG_IRLAN is not set +# CONFIG_IRCOMM is not set +# CONFIG_IRDA_ULTRA is not set + +# +# IrDA options +# +# CONFIG_IRDA_CACHE_LAST_LSAP is not set +# CONFIG_IRDA_FAST_RR is not set +# CONFIG_IRDA_DEBUG is not set + +# +# Infrared-port device drivers +# + +# +# SIR device drivers +# +# CONFIG_IRTTY_SIR is not set + +# +# Dongle support +# +CONFIG_SH_SIR=y +# CONFIG_KINGSUN_DONGLE is not set +# CONFIG_KSDAZZLE_DONGLE is not set +# CONFIG_KS959_DONGLE is not set + +# +# FIR device drivers +# +# CONFIG_USB_IRDA is not set +# CONFIG_SIGMATEL_FIR is not set +# CONFIG_MCS_FIR is not set # CONFIG_BT is not set # CONFIG_AF_RXRPC is not set CONFIG_WIRELESS=y @@ -556,6 +592,7 @@ CONFIG_MTD_NAND_IDS=y # CONFIG_MTD_NAND_NANDSIM is not set # CONFIG_MTD_NAND_PLATFORM is not set # CONFIG_MTD_ALAUDA is not set +# CONFIG_MTD_NAND_SH_FLCTL is not set # CONFIG_MTD_ONENAND is not set # @@ -597,6 +634,7 @@ CONFIG_MISC_DEVICES=y # CONFIG_ICS932S401 is not set # CONFIG_ENCLOSURE_SERVICES is not set # CONFIG_ISL29003 is not set +# CONFIG_SENSORS_TSL2550 is not set # CONFIG_DS1682 is not set # CONFIG_TI_DAC7512 is not set # CONFIG_C2PORT is not set @@ -616,6 +654,7 @@ CONFIG_HAVE_IDE=y # # SCSI device support # +CONFIG_SCSI_MOD=y # CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y CONFIG_SCSI_DMA=y @@ -768,7 +807,29 @@ CONFIG_KEYBOARD_SH_KEYSC=y # CONFIG_INPUT_MOUSE is not set # CONFIG_INPUT_JOYSTICK is not set # CONFIG_INPUT_TABLET is not set -# CONFIG_INPUT_TOUCHSCREEN is not set +CONFIG_INPUT_TOUCHSCREEN=y +# CONFIG_TOUCHSCREEN_ADS7846 is not set +# CONFIG_TOUCHSCREEN_AD7877 is not set +# CONFIG_TOUCHSCREEN_AD7879_I2C is not set +# CONFIG_TOUCHSCREEN_AD7879_SPI is not set +# CONFIG_TOUCHSCREEN_AD7879 is not set +# CONFIG_TOUCHSCREEN_DYNAPRO is not set +# CONFIG_TOUCHSCREEN_EETI is not set +# CONFIG_TOUCHSCREEN_FUJITSU is not set +# CONFIG_TOUCHSCREEN_GUNZE is not set +# CONFIG_TOUCHSCREEN_ELO is not set +# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set +# CONFIG_TOUCHSCREEN_MCS5000 is not set +# CONFIG_TOUCHSCREEN_MTOUCH is not set +# CONFIG_TOUCHSCREEN_INEXIO is not set +# CONFIG_TOUCHSCREEN_MK712 is not set +# CONFIG_TOUCHSCREEN_PENMOUNT is not set +# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set +# CONFIG_TOUCHSCREEN_TOUCHWIN is not set +# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set +# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set +CONFIG_TOUCHSCREEN_TSC2007=y +# CONFIG_TOUCHSCREEN_W90X900 is not set # CONFIG_INPUT_MISC is not set # @@ -802,10 +863,10 @@ CONFIG_SERIAL_SH_SCI_NR_UARTS=6 CONFIG_SERIAL_SH_SCI_CONSOLE=y CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_TIMBERDALE is not set CONFIG_UNIX98_PTYS=y # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set -CONFIG_LEGACY_PTYS=y -CONFIG_LEGACY_PTY_COUNT=256 +# CONFIG_LEGACY_PTYS is not set # CONFIG_IPMI_HANDLER is not set CONFIG_HW_RANDOM=y # CONFIG_HW_RANDOM_TIMERIOMEM is not set @@ -830,6 +891,7 @@ CONFIG_I2C_HELPER_AUTO=y # CONFIG_I2C_OCORES is not set CONFIG_I2C_SH_MOBILE=y # CONFIG_I2C_SIMTEC is not set +# CONFIG_I2C_XILINX is not set # # External I2C/SMBus adapter drivers @@ -843,15 +905,9 @@ CONFIG_I2C_SH_MOBILE=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=y CONFIG_SPI_MASTER=y @@ -882,13 +938,16 @@ CONFIG_GPIOLIB=y # # Memory mapped GPIO expanders: # +# CONFIG_GPIO_IT8761E is not set # # I2C GPIO expanders: # +# CONFIG_GPIO_MAX7300 is not set # CONFIG_GPIO_MAX732X is not set # CONFIG_GPIO_PCA953X is not set # CONFIG_GPIO_PCF857X is not set +# CONFIG_GPIO_ADP5588 is not set # # PCI GPIO expanders: @@ -919,23 +978,26 @@ CONFIG_SSB_POSSIBLE=y # # Multifunction device drivers # -# CONFIG_MFD_CORE is not set +CONFIG_MFD_CORE=y +# CONFIG_MFD_88PM860X is not set # CONFIG_MFD_SM501 is not set -# CONFIG_MFD_SH_MOBILE_SDHI is not set +CONFIG_MFD_SH_MOBILE_SDHI=y # CONFIG_HTC_PASIC3 is not set +# CONFIG_HTC_I2CPLD is not set # CONFIG_TPS65010 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_MFD_MC13783 is not set # CONFIG_AB3100_CORE is not set # CONFIG_EZX_PCAP is not set -# CONFIG_MFD_88PM8607 is not set # CONFIG_AB4500_CORE is not set # CONFIG_REGULATOR is not set CONFIG_MEDIA_SUPPORT=y @@ -985,10 +1047,10 @@ CONFIG_SOC_CAMERA=y # CONFIG_SOC_CAMERA_MT9M001 is not set # CONFIG_SOC_CAMERA_MT9M111 is not set # CONFIG_SOC_CAMERA_MT9T031 is not set -# CONFIG_SOC_CAMERA_MT9T112 is not set +CONFIG_SOC_CAMERA_MT9T112=y # CONFIG_SOC_CAMERA_MT9V022 is not set # CONFIG_SOC_CAMERA_RJ54N1 is not set -# CONFIG_SOC_CAMERA_TW9910 is not set +CONFIG_SOC_CAMERA_TW9910=y # CONFIG_SOC_CAMERA_PLATFORM is not set # CONFIG_SOC_CAMERA_OV772X is not set # CONFIG_SOC_CAMERA_OV9640 is not set @@ -1001,6 +1063,7 @@ CONFIG_RADIO_ADAPTERS=y # CONFIG_RADIO_SI470X is not set # CONFIG_USB_MR800 is not set # CONFIG_RADIO_TEA5764 is not set +# CONFIG_RADIO_SAA7706H is not set # CONFIG_RADIO_TEF6862 is not set # CONFIG_DAB is not set @@ -1034,6 +1097,7 @@ CONFIG_FB_DEFERRED_IO=y # # CONFIG_FB_S1D13XXX is not set CONFIG_FB_SH_MOBILE_LCDC=y +# CONFIG_FB_TMIO is not set # CONFIG_FB_VIRTUAL is not set # CONFIG_FB_METRONOME is not set # CONFIG_FB_MB862XX is not set @@ -1062,7 +1126,46 @@ CONFIG_LOGO=y # CONFIG_LOGO_SUPERH_MONO is not set # CONFIG_LOGO_SUPERH_VGA16 is not set CONFIG_LOGO_SUPERH_CLUT224=y -# CONFIG_SOUND is not set +CONFIG_SOUND=y +CONFIG_SOUND_OSS_CORE=y +CONFIG_SOUND_OSS_CORE_PRECLAIM=y +CONFIG_SND=y +CONFIG_SND_TIMER=y +CONFIG_SND_PCM=y +CONFIG_SND_JACK=y +CONFIG_SND_SEQUENCER=y +CONFIG_SND_SEQ_DUMMY=y +CONFIG_SND_OSSEMUL=y +CONFIG_SND_MIXER_OSS=y +CONFIG_SND_PCM_OSS=y +CONFIG_SND_PCM_OSS_PLUGINS=y +# CONFIG_SND_SEQUENCER_OSS is not set +# CONFIG_SND_DYNAMIC_MINORS is not set +CONFIG_SND_SUPPORT_OLD_API=y +CONFIG_SND_VERBOSE_PROCFS=y +# CONFIG_SND_VERBOSE_PRINTK is not set +# CONFIG_SND_DEBUG is not set +# CONFIG_SND_RAWMIDI_SEQ is not set +# CONFIG_SND_OPL3_LIB_SEQ is not set +# CONFIG_SND_OPL4_LIB_SEQ is not set +# CONFIG_SND_SBAWE_SEQ is not set +# CONFIG_SND_EMU10K1_SEQ is not set +# CONFIG_SND_DRIVERS is not set +# CONFIG_SND_SPI is not set +CONFIG_SND_SUPERH=y +# CONFIG_SND_USB is not set +CONFIG_SND_SOC=y + +# +# SoC Audio support for SuperH +# +CONFIG_SND_SOC_SH4_FSI=y +# CONFIG_SND_FSI_AK4642 is not set +CONFIG_SND_FSI_DA7210=y +CONFIG_SND_SOC_I2C_AND_SPI=y +# CONFIG_SND_SOC_ALL_CODECS is not set +CONFIG_SND_SOC_DA7210=y +# CONFIG_SOUND_PRIME is not set CONFIG_HID_SUPPORT=y CONFIG_HID=y # CONFIG_HIDRAW is not set @@ -1077,6 +1180,7 @@ CONFIG_USB_HID=y # # Special HID drivers # +# CONFIG_HID_3M_PCT is not set # CONFIG_HID_A4TECH is not set # CONFIG_HID_APPLE is not set # CONFIG_HID_BELKIN is not set @@ -1091,12 +1195,16 @@ CONFIG_USB_HID=y # CONFIG_HID_KENSINGTON is not set # CONFIG_HID_LOGITECH is not set # CONFIG_HID_MICROSOFT is not set +# CONFIG_HID_MOSART is not set # CONFIG_HID_MONTEREY is not set # CONFIG_HID_NTRIG is not set +# CONFIG_HID_ORTEK is not set # CONFIG_HID_PANTHERLORD is not set # CONFIG_HID_PETALYNX is not set +# CONFIG_HID_QUANTA is not set # CONFIG_HID_SAMSUNG is not set # CONFIG_HID_SONY is not set +# CONFIG_HID_STANTUM is not set # CONFIG_HID_SUNPLUS is not set # CONFIG_HID_GREENASIA is not set # CONFIG_HID_SMARTJOYPLUS is not set @@ -1136,6 +1244,7 @@ CONFIG_USB_MON=y # CONFIG_USB_SL811_HCD is not set CONFIG_USB_R8A66597_HCD=y # CONFIG_USB_HWA_HCD is not set +# CONFIG_USB_GADGET_MUSB_HDRC is not set # # USB Device Class drivers @@ -1188,7 +1297,6 @@ CONFIG_USB_STORAGE=y # 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 @@ -1200,8 +1308,45 @@ CONFIG_USB_STORAGE=y # 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 +CONFIG_USB_GADGET=y +# CONFIG_USB_GADGET_DEBUG_FILES is not set +# CONFIG_USB_GADGET_DEBUG_FS is not set +CONFIG_USB_GADGET_VBUS_DRAW=2 +CONFIG_USB_GADGET_SELECTED=y +# CONFIG_USB_GADGET_AT91 is not set +# CONFIG_USB_GADGET_ATMEL_USBA is not set +# CONFIG_USB_GADGET_FSL_USB2 is not set +# CONFIG_USB_GADGET_LH7A40X is not set +# CONFIG_USB_GADGET_OMAP is not set +# CONFIG_USB_GADGET_PXA25X is not set +CONFIG_USB_GADGET_R8A66597=y +CONFIG_USB_R8A66597=y +# CONFIG_USB_GADGET_PXA27X is not set +# CONFIG_USB_GADGET_S3C_HSOTG is not set +# CONFIG_USB_GADGET_IMX is not set +# CONFIG_USB_GADGET_S3C2410 is not set +# CONFIG_USB_GADGET_M66592 is not set +# CONFIG_USB_GADGET_AMD5536UDC is not set +# CONFIG_USB_GADGET_FSL_QE is not set +# CONFIG_USB_GADGET_CI13XXX is not set +# CONFIG_USB_GADGET_NET2280 is not set +# CONFIG_USB_GADGET_GOKU is not set +# CONFIG_USB_GADGET_LANGWELL is not set +# CONFIG_USB_GADGET_DUMMY_HCD is not set +CONFIG_USB_GADGET_DUALSPEED=y +# CONFIG_USB_ZERO is not set +# CONFIG_USB_AUDIO is not set +# CONFIG_USB_ETH is not set +# CONFIG_USB_GADGETFS is not set +CONFIG_USB_FILE_STORAGE=m +# CONFIG_USB_FILE_STORAGE_TEST is not set +# CONFIG_USB_MASS_STORAGE is not set +# CONFIG_USB_G_SERIAL is not set +# CONFIG_USB_MIDI_GADGET is not set +# CONFIG_USB_G_PRINTER is not set +# CONFIG_USB_CDC_COMPOSITE is not set +# CONFIG_USB_G_NOKIA is not set +# CONFIG_USB_G_MULTI is not set # # OTG and related infrastructure @@ -1224,10 +1369,8 @@ CONFIG_MMC_BLOCK_BOUNCE=y # MMC/SD/SDIO Host Controller Drivers # # CONFIG_MMC_SDHCI is not set -# CONFIG_MMC_AT91 is not set -# CONFIG_MMC_ATMELMCI is not set CONFIG_MMC_SPI=y -# CONFIG_MMC_TMIO is not set +CONFIG_MMC_TMIO=y # CONFIG_MEMSTICK is not set # CONFIG_NEW_LEDS is not set # CONFIG_ACCESSIBILITY is not set @@ -1253,10 +1396,10 @@ CONFIG_RTC_INTF_DEV=y # CONFIG_RTC_DRV_DS1374 is not set # CONFIG_RTC_DRV_DS1672 is not set # CONFIG_RTC_DRV_MAX6900 is not set -# CONFIG_RTC_DRV_RS5C372 is not set +CONFIG_RTC_DRV_RS5C372=y # CONFIG_RTC_DRV_ISL1208 is not set # CONFIG_RTC_DRV_X1205 is not set -CONFIG_RTC_DRV_PCF8563=y +# CONFIG_RTC_DRV_PCF8563 is not set # CONFIG_RTC_DRV_PCF8583 is not set # CONFIG_RTC_DRV_M41T80 is not set # CONFIG_RTC_DRV_BQ32K is not set @@ -1303,8 +1446,6 @@ CONFIG_RTC_DRV_PCF8563=y CONFIG_UIO=y # CONFIG_UIO_PDRV is not set CONFIG_UIO_PDRV_GENIRQ=y -# CONFIG_UIO_SMX is not set -# CONFIG_UIO_SERCOS3 is not set # # TI VLYNQ @@ -1390,6 +1531,7 @@ CONFIG_MISC_FILESYSTEMS=y # CONFIG_EFS_FS is not set # CONFIG_JFFS2_FS is not set # CONFIG_UBIFS_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 @@ -1418,6 +1560,7 @@ CONFIG_SUNRPC=y # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 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 @@ -1487,6 +1630,7 @@ CONFIG_DEBUG_FS=y CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_MEMORY_INIT is not set # CONFIG_RCU_CPU_STALL_DETECTOR is not set +# CONFIG_LKDTM is not set # CONFIG_LATENCYTOP is not set CONFIG_SYSCTL_SYSCALL_CHECK=y CONFIG_HAVE_FUNCTION_TRACER=y @@ -1618,7 +1762,7 @@ CONFIG_CRYPTO_HW=y # CONFIG_BITREVERSE=y CONFIG_GENERIC_FIND_LAST_BIT=y -# CONFIG_CRC_CCITT is not set +CONFIG_CRC_CCITT=y # CONFIG_CRC16 is not set CONFIG_CRC_T10DIF=y CONFIG_CRC_ITU_T=y diff --git a/arch/sh/include/asm/elf.h b/arch/sh/include/asm/elf.h index ac04255022b6..ce830faeebbf 100644 --- a/arch/sh/include/asm/elf.h +++ b/arch/sh/include/asm/elf.h @@ -211,7 +211,9 @@ extern void __kernel_vsyscall; #define VSYSCALL_AUX_ENT \ if (vdso_enabled) \ - NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE); + NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE); \ + else \ + NEW_AUX_ENT(AT_IGNORE, 0); #else #define VSYSCALL_AUX_ENT #endif /* CONFIG_VSYSCALL */ @@ -219,7 +221,7 @@ extern void __kernel_vsyscall; #ifdef CONFIG_SH_FPU #define FPU_AUX_ENT NEW_AUX_ENT(AT_FPUCW, FPSCR_INIT) #else -#define FPU_AUX_ENT +#define FPU_AUX_ENT NEW_AUX_ENT(AT_IGNORE, 0) #endif extern int l1i_cache_shape, l1d_cache_shape, l2_cache_shape; diff --git a/arch/sh/include/cpu-sh4/cpu/mmu_context.h b/arch/sh/include/cpu-sh4/cpu/mmu_context.h index 310ec92f2759..5963124c1d4a 100644 --- a/arch/sh/include/cpu-sh4/cpu/mmu_context.h +++ b/arch/sh/include/cpu-sh4/cpu/mmu_context.h @@ -30,6 +30,8 @@ #define MMUCR_URB 0x00FC0000 #define MMUCR_URB_SHIFT 18 #define MMUCR_URB_NENTRIES 64 +#define MMUCR_URC 0x0000FC00 +#define MMUCR_URC_SHIFT 10 #if defined(CONFIG_32BIT) && defined(CONFIG_CPU_SUBTYPE_ST40) #define MMUCR_SE (1 << 4) diff --git a/arch/sh/kernel/cpufreq.c b/arch/sh/kernel/cpufreq.c index dce4f3ff0932..0fffacea6ed9 100644 --- a/arch/sh/kernel/cpufreq.c +++ b/arch/sh/kernel/cpufreq.c @@ -48,7 +48,7 @@ static int sh_cpufreq_target(struct cpufreq_policy *policy, return -ENODEV; cpus_allowed = current->cpus_allowed; - set_cpus_allowed(current, cpumask_of_cpu(cpu)); + set_cpus_allowed_ptr(current, cpumask_of(cpu)); BUG_ON(smp_processor_id() != cpu); @@ -66,7 +66,7 @@ static int sh_cpufreq_target(struct cpufreq_policy *policy, freqs.flags = 0; cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); - set_cpus_allowed(current, cpus_allowed); + set_cpus_allowed_ptr(current, &cpus_allowed); clk_set_rate(cpuclk, freq); cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); diff --git a/arch/sh/kernel/return_address.c b/arch/sh/kernel/return_address.c index df3ab5811074..cbf1dd5372b2 100644 --- a/arch/sh/kernel/return_address.c +++ b/arch/sh/kernel/return_address.c @@ -9,6 +9,7 @@ * for more details. */ #include <linux/kernel.h> +#include <linux/module.h> #include <asm/dwarf.h> #ifdef CONFIG_DWARF_UNWINDER @@ -52,3 +53,5 @@ void *return_address(unsigned int depth) } #endif + +EXPORT_SYMBOL_GPL(return_address); diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c index e124cf7008df..002cc612deef 100644 --- a/arch/sh/kernel/smp.c +++ b/arch/sh/kernel/smp.c @@ -69,6 +69,7 @@ asmlinkage void __cpuinit start_secondary(void) unsigned int cpu; struct mm_struct *mm = &init_mm; + enable_mmu(); atomic_inc(&mm->mm_count); atomic_inc(&mm->mm_users); current->active_mm = mm; diff --git a/arch/sh/mm/tlb-pteaex.c b/arch/sh/mm/tlb-pteaex.c index bdd0982b56ee..b71db6af8060 100644 --- a/arch/sh/mm/tlb-pteaex.c +++ b/arch/sh/mm/tlb-pteaex.c @@ -77,3 +77,31 @@ void local_flush_tlb_one(unsigned long asid, unsigned long page) __raw_writel(asid, MMU_ITLB_ADDRESS_ARRAY2 | MMU_PAGE_ASSOC_BIT); back_to_cached(); } + +void local_flush_tlb_all(void) +{ + unsigned long flags, status; + int i; + + /* + * Flush all the TLB. + */ + local_irq_save(flags); + jump_to_uncached(); + + status = __raw_readl(MMUCR); + status = ((status & MMUCR_URB) >> MMUCR_URB_SHIFT); + + if (status == 0) + status = MMUCR_URB_NENTRIES; + + for (i = 0; i < status; i++) + __raw_writel(0x0, MMU_UTLB_ADDRESS_ARRAY | (i << 8)); + + for (i = 0; i < 4; i++) + __raw_writel(0x0, MMU_ITLB_ADDRESS_ARRAY | (i << 8)); + + back_to_cached(); + ctrl_barrier(); + local_irq_restore(flags); +} diff --git a/arch/sh/mm/tlb-sh3.c b/arch/sh/mm/tlb-sh3.c index 4f5f7cbdd508..7a940dbfc2e9 100644 --- a/arch/sh/mm/tlb-sh3.c +++ b/arch/sh/mm/tlb-sh3.c @@ -77,3 +77,22 @@ void local_flush_tlb_one(unsigned long asid, unsigned long page) for (i = 0; i < ways; i++) __raw_writel(data, addr + (i << 8)); } + +void local_flush_tlb_all(void) +{ + unsigned long flags, status; + + /* + * Flush all the TLB. + * + * Write to the MMU control register's bit: + * TF-bit for SH-3, TI-bit for SH-4. + * It's same position, bit #2. + */ + local_irq_save(flags); + status = __raw_readl(MMUCR); + status |= 0x04; + __raw_writel(status, MMUCR); + ctrl_barrier(); + local_irq_restore(flags); +} diff --git a/arch/sh/mm/tlb-sh4.c b/arch/sh/mm/tlb-sh4.c index ccac77f504a8..cfdf7930d294 100644 --- a/arch/sh/mm/tlb-sh4.c +++ b/arch/sh/mm/tlb-sh4.c @@ -80,3 +80,31 @@ void local_flush_tlb_one(unsigned long asid, unsigned long page) __raw_writel(data, addr); back_to_cached(); } + +void local_flush_tlb_all(void) +{ + unsigned long flags, status; + int i; + + /* + * Flush all the TLB. + */ + local_irq_save(flags); + jump_to_uncached(); + + status = __raw_readl(MMUCR); + status = ((status & MMUCR_URB) >> MMUCR_URB_SHIFT); + + if (status == 0) + status = MMUCR_URB_NENTRIES; + + for (i = 0; i < status; i++) + __raw_writel(0x0, MMU_UTLB_ADDRESS_ARRAY | (i << 8)); + + for (i = 0; i < 4; i++) + __raw_writel(0x0, MMU_ITLB_ADDRESS_ARRAY | (i << 8)); + + back_to_cached(); + ctrl_barrier(); + local_irq_restore(flags); +} diff --git a/arch/sh/mm/tlb-urb.c b/arch/sh/mm/tlb-urb.c index bb5b9098956d..c92ce20db39b 100644 --- a/arch/sh/mm/tlb-urb.c +++ b/arch/sh/mm/tlb-urb.c @@ -24,13 +24,9 @@ void tlb_wire_entry(struct vm_area_struct *vma, unsigned long addr, pte_t pte) local_irq_save(flags); - /* Load the entry into the TLB */ - __update_tlb(vma, addr, pte); - - /* ... and wire it up. */ status = __raw_readl(MMUCR); urb = (status & MMUCR_URB) >> MMUCR_URB_SHIFT; - status &= ~MMUCR_URB; + status &= ~MMUCR_URC; /* * Make sure we're not trying to wire the last TLB entry slot. @@ -39,7 +35,23 @@ void tlb_wire_entry(struct vm_area_struct *vma, unsigned long addr, pte_t pte) urb = urb % MMUCR_URB_NENTRIES; + /* + * Insert this entry into the highest non-wired TLB slot (via + * the URC field). + */ + status |= (urb << MMUCR_URC_SHIFT); + __raw_writel(status, MMUCR); + ctrl_barrier(); + + /* Load the entry into the TLB */ + __update_tlb(vma, addr, pte); + + /* ... and wire it up. */ + status = __raw_readl(MMUCR); + + status &= ~MMUCR_URB; status |= (urb << MMUCR_URB_SHIFT); + __raw_writel(status, MMUCR); ctrl_barrier(); diff --git a/arch/sh/mm/tlbflush_32.c b/arch/sh/mm/tlbflush_32.c index 77dc5efa7127..3fbe03ce8fe3 100644 --- a/arch/sh/mm/tlbflush_32.c +++ b/arch/sh/mm/tlbflush_32.c @@ -119,31 +119,3 @@ void local_flush_tlb_mm(struct mm_struct *mm) local_irq_restore(flags); } } - -void local_flush_tlb_all(void) -{ - unsigned long flags, status; - int i; - - /* - * Flush all the TLB. - */ - local_irq_save(flags); - jump_to_uncached(); - - status = __raw_readl(MMUCR); - status = ((status & MMUCR_URB) >> MMUCR_URB_SHIFT); - - if (status == 0) - status = MMUCR_URB_NENTRIES; - - for (i = 0; i < status; i++) - __raw_writel(0x0, MMU_UTLB_ADDRESS_ARRAY | (i << 8)); - - for (i = 0; i < 4; i++) - __raw_writel(0x0, MMU_ITLB_ADDRESS_ARRAY | (i << 8)); - - back_to_cached(); - ctrl_barrier(); - local_irq_restore(flags); -} diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index a42c466f7092..6da962c9b21c 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1423,6 +1423,8 @@ static void release_one_tty(struct work_struct *work) list_del_init(&tty->tty_files); file_list_unlock(); + put_pid(tty->pgrp); + put_pid(tty->session); free_tty_struct(tty); } diff --git a/drivers/hid/hid-gyration.c b/drivers/hid/hid-gyration.c index cab13e8c7d29..62416e6baeca 100644 --- a/drivers/hid/hid-gyration.c +++ b/drivers/hid/hid-gyration.c @@ -53,10 +53,13 @@ static int gyration_input_mapping(struct hid_device *hdev, struct hid_input *hi, static int gyration_event(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage, __s32 value) { - struct input_dev *input = field->hidinput->input; + + if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput) + return 0; if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK && (usage->hid & 0xff) == 0x82) { + struct input_dev *input = field->hidinput->input; input_event(input, usage->type, usage->code, 1); input_sync(input); input_event(input, usage->type, usage->code, 0); diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 928943c7ce9a..e71e0057284e 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -60,6 +60,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET }, { USB_VENDOR_ID_PRODIGE, USB_DEVICE_ID_PRODIGE_CORDLESS, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET }, { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET }, { USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209, HID_QUIRK_MULTI_INPUT }, diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c index fcb6ec1af173..72450237a0f4 100644 --- a/drivers/misc/kgdbts.c +++ b/drivers/misc/kgdbts.c @@ -295,6 +295,10 @@ static int check_and_rewind_pc(char *put_str, char *arg) /* On x86 a breakpoint stop requires it to be decremented */ if (addr + 1 == kgdbts_regs.ip) offset = -1; +#elif defined(CONFIG_SUPERH) + /* On SUPERH a breakpoint stop requires it to be decremented */ + if (addr + 2 == kgdbts_regs.pc) + offset = -2; #endif if (strcmp(arg, "silent") && instruction_pointer(&kgdbts_regs) + offset != addr) { @@ -305,6 +309,8 @@ static int check_and_rewind_pc(char *put_str, char *arg) #ifdef CONFIG_X86 /* On x86 adjust the instruction pointer if needed */ kgdbts_regs.ip += offset; +#elif defined(CONFIG_SUPERH) + kgdbts_regs.pc += offset; #endif return 0; } diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 406757a9d7ea..dee4fb56b094 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -376,8 +376,11 @@ unsigned long __init unflatten_dt_node(unsigned long mem, if (!np->type) np->type = "<NULL>"; } - while (tag == OF_DT_BEGIN_NODE) { - mem = unflatten_dt_node(mem, p, np, allnextpp, fpsize); + while (tag == OF_DT_BEGIN_NODE || tag == OF_DT_NOP) { + if (tag == OF_DT_NOP) + *p += 4; + else + mem = unflatten_dt_node(mem, p, np, allnextpp, fpsize); tag = be32_to_cpup((__be32 *)(*p)); } if (tag != OF_DT_END_NODE) { diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 3ea0b29c0104..27c0e6eb7136 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -2123,6 +2123,9 @@ static void __devinit quirk_disable_msi(struct pci_dev *dev) } } DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_disable_msi); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x9602, quirk_disable_msi); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ASUSTEK, 0x9602, quirk_disable_msi); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AI, 0x9602, quirk_disable_msi); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, 0xa238, quirk_disable_msi); /* Go through the list of Hypertransport capabilities and @@ -2495,39 +2498,6 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4374, DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4375, quirk_msi_intx_disable_bug); -/* - * MSI does not work with the AMD RS780/RS880 internal graphics and HDMI audio - * devices unless the BIOS has initialized the nb_cntl.strap_msi_enable bit. - */ -static void __init rs780_int_gfx_disable_msi(struct pci_dev *int_gfx_bridge) -{ - u32 nb_cntl; - - if (!int_gfx_bridge->subordinate) - return; - - pci_bus_write_config_dword(int_gfx_bridge->bus, PCI_DEVFN(0, 0), - 0x60, 0); - pci_bus_read_config_dword(int_gfx_bridge->bus, PCI_DEVFN(0, 0), - 0x64, &nb_cntl); - - if (!(nb_cntl & BIT(10))) { - dev_warn(&int_gfx_bridge->dev, - FW_WARN "RS780: MSI for internal graphics disabled\n"); - int_gfx_bridge->subordinate->bus_flags |= PCI_BUS_FLAGS_NO_MSI; - } -} - -#define PCI_DEVICE_ID_AMD_RS780_P2P_INT_GFX 0x9602 - -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, - PCI_DEVICE_ID_AMD_RS780_P2P_INT_GFX, - rs780_int_gfx_disable_msi); -/* wrong vendor ID on M4A785TD motherboard: */ -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ASUSTEK, - PCI_DEVICE_ID_AMD_RS780_P2P_INT_GFX, - rs780_int_gfx_disable_msi); - #endif /* CONFIG_PCI_MSI */ #ifdef CONFIG_PCI_IOV diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index 12ac9cd32a07..df1bae9b048e 100644 --- a/drivers/usb/gadget/at91_udc.c +++ b/drivers/usb/gadget/at91_udc.c @@ -1370,6 +1370,12 @@ static irqreturn_t at91_udc_irq (int irq, void *_udc) { struct at91_udc *udc = _udc; u32 rescans = 5; + int disable_clock = 0; + + if (!udc->clocked) { + clk_on(udc); + disable_clock = 1; + } while (rescans--) { u32 status; @@ -1458,6 +1464,9 @@ static irqreturn_t at91_udc_irq (int irq, void *_udc) } } + if (disable_clock) + clk_off(udc); + return IRQ_HANDLED; } diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c index 5e13d23b5f0c..8b45145b9136 100644 --- a/drivers/usb/gadget/r8a66597-udc.c +++ b/drivers/usb/gadget/r8a66597-udc.c @@ -23,7 +23,6 @@ #include <linux/module.h> #include <linux/interrupt.h> #include <linux/delay.h> -#include <linux/err.h> #include <linux/io.h> #include <linux/platform_device.h> #include <linux/clk.h> diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 183f8ff5f400..096273984c3b 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -406,6 +406,7 @@ static int show_smap(struct seq_file *m, void *v) memset(&mss, 0, sizeof mss); mss.vma = vma; + /* mmap_sem is held in m_start */ if (vma->vm_mm && !is_vm_hugetlb_page(vma)) walk_page_range(vma->vm_start, vma->vm_end, &smaps_walk); @@ -552,7 +553,8 @@ const struct file_operations proc_clear_refs_operations = { }; struct pagemapread { - u64 __user *out, *end; + int pos, len; + u64 *buffer; }; #define PM_ENTRY_BYTES sizeof(u64) @@ -575,10 +577,8 @@ struct pagemapread { static int add_to_pagemap(unsigned long addr, u64 pfn, struct pagemapread *pm) { - if (put_user(pfn, pm->out)) - return -EFAULT; - pm->out++; - if (pm->out >= pm->end) + pm->buffer[pm->pos++] = pfn; + if (pm->pos >= pm->len) return PM_END_OF_BUFFER; return 0; } @@ -720,21 +720,20 @@ static int pagemap_hugetlb_range(pte_t *pte, unsigned long addr, * determine which areas of memory are actually mapped and llseek to * skip over unmapped regions. */ +#define PAGEMAP_WALK_SIZE (PMD_SIZE) static ssize_t pagemap_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { struct task_struct *task = get_proc_task(file->f_path.dentry->d_inode); - struct page **pages, *page; - unsigned long uaddr, uend; struct mm_struct *mm; struct pagemapread pm; - int pagecount; int ret = -ESRCH; struct mm_walk pagemap_walk = {}; unsigned long src; unsigned long svpfn; unsigned long start_vaddr; unsigned long end_vaddr; + int copied = 0; if (!task) goto out; @@ -757,35 +756,12 @@ static ssize_t pagemap_read(struct file *file, char __user *buf, if (!mm) goto out_task; - - uaddr = (unsigned long)buf & PAGE_MASK; - uend = (unsigned long)(buf + count); - pagecount = (PAGE_ALIGN(uend) - uaddr) / PAGE_SIZE; - ret = 0; - if (pagecount == 0) - goto out_mm; - pages = kcalloc(pagecount, sizeof(struct page *), GFP_KERNEL); + pm.len = PM_ENTRY_BYTES * (PAGEMAP_WALK_SIZE >> PAGE_SHIFT); + pm.buffer = kmalloc(pm.len, GFP_TEMPORARY); ret = -ENOMEM; - if (!pages) + if (!pm.buffer) goto out_mm; - down_read(¤t->mm->mmap_sem); - ret = get_user_pages(current, current->mm, uaddr, pagecount, - 1, 0, pages, NULL); - up_read(¤t->mm->mmap_sem); - - if (ret < 0) - goto out_free; - - if (ret != pagecount) { - pagecount = ret; - ret = -EFAULT; - goto out_pages; - } - - pm.out = (u64 __user *)buf; - pm.end = (u64 __user *)(buf + count); - pagemap_walk.pmd_entry = pagemap_pte_range; pagemap_walk.pte_hole = pagemap_pte_hole; pagemap_walk.hugetlb_entry = pagemap_hugetlb_range; @@ -807,23 +783,36 @@ static ssize_t pagemap_read(struct file *file, char __user *buf, * user buffer is tracked in "pm", and the walk * will stop when we hit the end of the buffer. */ - ret = walk_page_range(start_vaddr, end_vaddr, &pagemap_walk); - if (ret == PM_END_OF_BUFFER) - ret = 0; - /* don't need mmap_sem for these, but this looks cleaner */ - *ppos += (char __user *)pm.out - buf; - if (!ret) - ret = (char __user *)pm.out - buf; - -out_pages: - for (; pagecount; pagecount--) { - page = pages[pagecount-1]; - if (!PageReserved(page)) - SetPageDirty(page); - page_cache_release(page); + ret = 0; + while (count && (start_vaddr < end_vaddr)) { + int len; + unsigned long end; + + pm.pos = 0; + end = start_vaddr + PAGEMAP_WALK_SIZE; + /* overflow ? */ + if (end < start_vaddr || end > end_vaddr) + end = end_vaddr; + down_read(&mm->mmap_sem); + ret = walk_page_range(start_vaddr, end, &pagemap_walk); + up_read(&mm->mmap_sem); + start_vaddr = end; + + len = min(count, PM_ENTRY_BYTES * pm.pos); + if (copy_to_user(buf, pm.buffer, len) < 0) { + ret = -EFAULT; + goto out_free; + } + copied += len; + buf += len; + count -= len; } + *ppos += copied; + if (!ret || ret == PM_END_OF_BUFFER) + ret = copied; + out_free: - kfree(pages); + kfree(pm.buffer); out_mm: mmput(mm); out_task: diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 04bf5d791bda..ab190511bc18 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -1618,10 +1618,8 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent) save_mount_options(s, data); sbi = kzalloc(sizeof(struct reiserfs_sb_info), GFP_KERNEL); - if (!sbi) { - errval = -ENOMEM; - goto error_alloc; - } + if (!sbi) + return -ENOMEM; s->s_fs_info = sbi; /* Set default values for options: non-aggressive tails, RO on errors */ REISERFS_SB(s)->s_mount_opt |= (1 << REISERFS_SMALLTAIL); @@ -1878,12 +1876,12 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent) return (0); error: - reiserfs_write_unlock(s); -error_alloc: if (jinit_done) { /* kill the commit thread, free journal ram */ journal_release_error(NULL, s); } + reiserfs_write_unlock(s); + reiserfs_free_bitmap_cache(s); if (SB_BUFFER_WITH_SB(s)) brelse(SB_BUFFER_WITH_SB(s)); diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h index 6816be6c3f77..8b1038607831 100644 --- a/include/linux/amba/bus.h +++ b/include/linux/amba/bus.h @@ -14,6 +14,9 @@ #ifndef ASMARM_AMBA_H #define ASMARM_AMBA_H +#include <linux/device.h> +#include <linux/resource.h> + #define AMBA_NR_IRQS 2 struct amba_device { diff --git a/include/linux/amba/pl061.h b/include/linux/amba/pl061.h index b4fbd9862606..5ddd9ad4b19c 100644 --- a/include/linux/amba/pl061.h +++ b/include/linux/amba/pl061.h @@ -1,3 +1,5 @@ +#include <linux/types.h> + /* platform data for the PL061 GPIO driver */ struct pl061_platform_data { diff --git a/include/linux/freezer.h b/include/linux/freezer.h index 5a361f85cfec..da7e52b099f3 100644 --- a/include/linux/freezer.h +++ b/include/linux/freezer.h @@ -64,9 +64,12 @@ extern bool freeze_task(struct task_struct *p, bool sig_only); extern void cancel_freezing(struct task_struct *p); #ifdef CONFIG_CGROUP_FREEZER -extern int cgroup_frozen(struct task_struct *task); +extern int cgroup_freezing_or_frozen(struct task_struct *task); #else /* !CONFIG_CGROUP_FREEZER */ -static inline int cgroup_frozen(struct task_struct *task) { return 0; } +static inline int cgroup_freezing_or_frozen(struct task_struct *task) +{ + return 0; +} #endif /* !CONFIG_CGROUP_FREEZER */ /* diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c index 59e9ef6aab40..eb3f34d57419 100644 --- a/kernel/cgroup_freezer.c +++ b/kernel/cgroup_freezer.c @@ -47,17 +47,20 @@ static inline struct freezer *task_freezer(struct task_struct *task) struct freezer, css); } -int cgroup_frozen(struct task_struct *task) +int cgroup_freezing_or_frozen(struct task_struct *task) { struct freezer *freezer; enum freezer_state state; task_lock(task); freezer = task_freezer(task); - state = freezer->state; + if (!freezer->css.cgroup->parent) + state = CGROUP_THAWED; /* root cgroup can't be frozen */ + else + state = freezer->state; task_unlock(task); - return state == CGROUP_FROZEN; + return (state == CGROUP_FREEZING) || (state == CGROUP_FROZEN); } /* diff --git a/kernel/kgdb.c b/kernel/kgdb.c index 761fdd2b3034..11f3515ca83f 100644 --- a/kernel/kgdb.c +++ b/kernel/kgdb.c @@ -69,9 +69,16 @@ struct kgdb_state { struct pt_regs *linux_regs; }; +/* Exception state values */ +#define DCPU_WANT_MASTER 0x1 /* Waiting to become a master kgdb cpu */ +#define DCPU_NEXT_MASTER 0x2 /* Transition from one master cpu to another */ +#define DCPU_IS_SLAVE 0x4 /* Slave cpu enter exception */ +#define DCPU_SSTEP 0x8 /* CPU is single stepping */ + static struct debuggerinfo_struct { void *debuggerinfo; struct task_struct *task; + int exception_state; } kgdb_info[NR_CPUS]; /** @@ -391,27 +398,22 @@ int kgdb_mem2hex(char *mem, char *buf, int count) /* * Copy the binary array pointed to by buf into mem. Fix $, #, and - * 0x7d escaped with 0x7d. Return a pointer to the character after - * the last byte written. + * 0x7d escaped with 0x7d. Return -EFAULT on failure or 0 on success. + * The input buf is overwitten with the result to write to mem. */ static int kgdb_ebin2mem(char *buf, char *mem, int count) { - int err = 0; - char c; + int size = 0; + char *c = buf; while (count-- > 0) { - c = *buf++; - if (c == 0x7d) - c = *buf++ ^ 0x20; - - err = probe_kernel_write(mem, &c, 1); - if (err) - break; - - mem++; + c[size] = *buf++; + if (c[size] == 0x7d) + c[size] = *buf++ ^ 0x20; + size++; } - return err; + return probe_kernel_write(mem, c, size); } /* @@ -563,49 +565,6 @@ static struct task_struct *getthread(struct pt_regs *regs, int tid) } /* - * CPU debug state control: - */ - -#ifdef CONFIG_SMP -static void kgdb_wait(struct pt_regs *regs) -{ - unsigned long flags; - int cpu; - - local_irq_save(flags); - cpu = raw_smp_processor_id(); - kgdb_info[cpu].debuggerinfo = regs; - kgdb_info[cpu].task = current; - /* - * Make sure the above info reaches the primary CPU before - * our cpu_in_kgdb[] flag setting does: - */ - smp_wmb(); - atomic_set(&cpu_in_kgdb[cpu], 1); - - /* Disable any cpu specific hw breakpoints */ - kgdb_disable_hw_debug(regs); - - /* Wait till primary CPU is done with debugging */ - while (atomic_read(&passive_cpu_wait[cpu])) - cpu_relax(); - - kgdb_info[cpu].debuggerinfo = NULL; - kgdb_info[cpu].task = NULL; - - /* fix up hardware debug registers on local cpu */ - if (arch_kgdb_ops.correct_hw_break) - arch_kgdb_ops.correct_hw_break(); - - /* Signal the primary CPU that we are done: */ - atomic_set(&cpu_in_kgdb[cpu], 0); - touch_softlockup_watchdog_sync(); - clocksource_touch_watchdog(); - local_irq_restore(flags); -} -#endif - -/* * Some architectures need cache flushes when we set/clear a * breakpoint: */ @@ -1400,34 +1359,13 @@ static int kgdb_reenter_check(struct kgdb_state *ks) return 1; } -/* - * kgdb_handle_exception() - main entry point from a kernel exception - * - * Locking hierarchy: - * interface locks, if any (begin_session) - * kgdb lock (kgdb_active) - */ -int -kgdb_handle_exception(int evector, int signo, int ecode, struct pt_regs *regs) +static int kgdb_cpu_enter(struct kgdb_state *ks, struct pt_regs *regs) { - struct kgdb_state kgdb_var; - struct kgdb_state *ks = &kgdb_var; unsigned long flags; int sstep_tries = 100; int error = 0; int i, cpu; - - ks->cpu = raw_smp_processor_id(); - ks->ex_vector = evector; - ks->signo = signo; - ks->ex_vector = evector; - ks->err_code = ecode; - ks->kgdb_usethreadid = 0; - ks->linux_regs = regs; - - if (kgdb_reenter_check(ks)) - return 0; /* Ouch, double exception ! */ - + int trace_on = 0; acquirelock: /* * Interrupts will be restored by the 'trap return' code, except when @@ -1435,13 +1373,43 @@ acquirelock: */ local_irq_save(flags); - cpu = raw_smp_processor_id(); + cpu = ks->cpu; + kgdb_info[cpu].debuggerinfo = regs; + kgdb_info[cpu].task = current; + /* + * Make sure the above info reaches the primary CPU before + * our cpu_in_kgdb[] flag setting does: + */ + atomic_inc(&cpu_in_kgdb[cpu]); /* - * Acquire the kgdb_active lock: + * CPU will loop if it is a slave or request to become a kgdb + * master cpu and acquire the kgdb_active lock: */ - while (atomic_cmpxchg(&kgdb_active, -1, cpu) != -1) + while (1) { + if (kgdb_info[cpu].exception_state & DCPU_WANT_MASTER) { + if (atomic_cmpxchg(&kgdb_active, -1, cpu) == cpu) + break; + } else if (kgdb_info[cpu].exception_state & DCPU_IS_SLAVE) { + if (!atomic_read(&passive_cpu_wait[cpu])) + goto return_normal; + } else { +return_normal: + /* Return to normal operation by executing any + * hw breakpoint fixup. + */ + if (arch_kgdb_ops.correct_hw_break) + arch_kgdb_ops.correct_hw_break(); + if (trace_on) + tracing_on(); + atomic_dec(&cpu_in_kgdb[cpu]); + touch_softlockup_watchdog_sync(); + clocksource_touch_watchdog(); + local_irq_restore(flags); + return 0; + } cpu_relax(); + } /* * For single stepping, try to only enter on the processor @@ -1475,9 +1443,6 @@ acquirelock: if (kgdb_io_ops->pre_exception) kgdb_io_ops->pre_exception(); - kgdb_info[ks->cpu].debuggerinfo = ks->linux_regs; - kgdb_info[ks->cpu].task = current; - kgdb_disable_hw_debug(ks->linux_regs); /* @@ -1486,15 +1451,9 @@ acquirelock: */ if (!kgdb_single_step) { for (i = 0; i < NR_CPUS; i++) - atomic_set(&passive_cpu_wait[i], 1); + atomic_inc(&passive_cpu_wait[i]); } - /* - * spin_lock code is good enough as a barrier so we don't - * need one here: - */ - atomic_set(&cpu_in_kgdb[ks->cpu], 1); - #ifdef CONFIG_SMP /* Signal the other CPUs to enter kgdb_wait() */ if ((!kgdb_single_step) && kgdb_do_roundup) @@ -1518,6 +1477,9 @@ acquirelock: kgdb_single_step = 0; kgdb_contthread = current; exception_level = 0; + trace_on = tracing_is_on(); + if (trace_on) + tracing_off(); /* Talk to debugger with gdbserial protocol */ error = gdb_serial_stub(ks); @@ -1526,13 +1488,11 @@ acquirelock: if (kgdb_io_ops->post_exception) kgdb_io_ops->post_exception(); - kgdb_info[ks->cpu].debuggerinfo = NULL; - kgdb_info[ks->cpu].task = NULL; - atomic_set(&cpu_in_kgdb[ks->cpu], 0); + atomic_dec(&cpu_in_kgdb[ks->cpu]); if (!kgdb_single_step) { for (i = NR_CPUS-1; i >= 0; i--) - atomic_set(&passive_cpu_wait[i], 0); + atomic_dec(&passive_cpu_wait[i]); /* * Wait till all the CPUs have quit * from the debugger. @@ -1551,6 +1511,8 @@ kgdb_restore: else kgdb_sstep_pid = 0; } + if (trace_on) + tracing_on(); /* Free kgdb_active */ atomic_set(&kgdb_active, -1); touch_softlockup_watchdog_sync(); @@ -1560,13 +1522,52 @@ kgdb_restore: return error; } +/* + * kgdb_handle_exception() - main entry point from a kernel exception + * + * Locking hierarchy: + * interface locks, if any (begin_session) + * kgdb lock (kgdb_active) + */ +int +kgdb_handle_exception(int evector, int signo, int ecode, struct pt_regs *regs) +{ + struct kgdb_state kgdb_var; + struct kgdb_state *ks = &kgdb_var; + int ret; + + ks->cpu = raw_smp_processor_id(); + ks->ex_vector = evector; + ks->signo = signo; + ks->ex_vector = evector; + ks->err_code = ecode; + ks->kgdb_usethreadid = 0; + ks->linux_regs = regs; + + if (kgdb_reenter_check(ks)) + return 0; /* Ouch, double exception ! */ + kgdb_info[ks->cpu].exception_state |= DCPU_WANT_MASTER; + ret = kgdb_cpu_enter(ks, regs); + kgdb_info[ks->cpu].exception_state &= ~DCPU_WANT_MASTER; + return ret; +} + int kgdb_nmicallback(int cpu, void *regs) { #ifdef CONFIG_SMP + struct kgdb_state kgdb_var; + struct kgdb_state *ks = &kgdb_var; + + memset(ks, 0, sizeof(struct kgdb_state)); + ks->cpu = cpu; + ks->linux_regs = regs; + if (!atomic_read(&cpu_in_kgdb[cpu]) && - atomic_read(&kgdb_active) != cpu && - atomic_read(&cpu_in_kgdb[atomic_read(&kgdb_active)])) { - kgdb_wait((struct pt_regs *)regs); + atomic_read(&kgdb_active) != -1 && + atomic_read(&kgdb_active) != cpu) { + kgdb_info[cpu].exception_state |= DCPU_IS_SLAVE; + kgdb_cpu_enter(ks, regs); + kgdb_info[cpu].exception_state &= ~DCPU_IS_SLAVE; return 0; } #endif @@ -1742,11 +1743,11 @@ EXPORT_SYMBOL_GPL(kgdb_unregister_io_module); */ void kgdb_breakpoint(void) { - atomic_set(&kgdb_setting_breakpoint, 1); + atomic_inc(&kgdb_setting_breakpoint); wmb(); /* Sync point before breakpoint */ arch_kgdb_breakpoint(); wmb(); /* Sync point after breakpoint */ - atomic_set(&kgdb_setting_breakpoint, 0); + atomic_dec(&kgdb_setting_breakpoint); } EXPORT_SYMBOL_GPL(kgdb_breakpoint); diff --git a/kernel/power/process.c b/kernel/power/process.c index 5ade1bdcf366..71ae29052ab6 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -88,12 +88,11 @@ static int try_to_freeze_tasks(bool sig_only) printk(KERN_ERR "Freezing of tasks failed after %d.%02d seconds " "(%d tasks refusing to freeze):\n", elapsed_csecs / 100, elapsed_csecs % 100, todo); - show_state(); read_lock(&tasklist_lock); do_each_thread(g, p) { task_lock(p); if (freezing(p) && !freezer_should_skip(p)) - printk(KERN_ERR " %s\n", p->comm); + sched_show_task(p); cancel_freezing(p); task_unlock(p); } while_each_thread(g, p); @@ -145,7 +144,7 @@ static void thaw_tasks(bool nosig_only) if (nosig_only && should_send_signal(p)) continue; - if (cgroup_frozen(p)) + if (cgroup_freezing_or_frozen(p)) continue; thaw_process(p); diff --git a/kernel/sched.c b/kernel/sched.c index 49d2fa7b687a..528a10592c16 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -5387,7 +5387,7 @@ int set_cpus_allowed_ptr(struct task_struct *p, const struct cpumask *new_mask) get_task_struct(mt); task_rq_unlock(rq, &flags); - wake_up_process(rq->migration_thread); + wake_up_process(mt); put_task_struct(mt); wait_for_completion(&req.done); tlb_migrate_finish(p->mm); diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c index 67f95aada4b9..9b49db144037 100644 --- a/kernel/sched_debug.c +++ b/kernel/sched_debug.c @@ -518,8 +518,4 @@ void proc_sched_set_task(struct task_struct *p) p->se.nr_wakeups_idle = 0; p->sched_info.bkl_count = 0; #endif - p->se.sum_exec_runtime = 0; - p->se.prev_sum_exec_runtime = 0; - p->nvcsw = 0; - p->nivcsw = 0; } diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index d1187ef20caf..9a0f9bf6a37b 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -1209,18 +1209,19 @@ rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned nr_pages) for (i = 0; i < nr_pages; i++) { if (RB_WARN_ON(cpu_buffer, list_empty(cpu_buffer->pages))) - return; + goto out; p = cpu_buffer->pages->next; bpage = list_entry(p, struct buffer_page, list); list_del_init(&bpage->list); free_buffer_page(bpage); } if (RB_WARN_ON(cpu_buffer, list_empty(cpu_buffer->pages))) - return; + goto out; rb_reset_cpu(cpu_buffer); rb_check_pages(cpu_buffer); +out: spin_unlock_irq(&cpu_buffer->reader_lock); } @@ -1237,7 +1238,7 @@ rb_insert_pages(struct ring_buffer_per_cpu *cpu_buffer, for (i = 0; i < nr_pages; i++) { if (RB_WARN_ON(cpu_buffer, list_empty(pages))) - return; + goto out; p = pages->next; bpage = list_entry(p, struct buffer_page, list); list_del_init(&bpage->list); @@ -1246,6 +1247,7 @@ rb_insert_pages(struct ring_buffer_per_cpu *cpu_buffer, rb_reset_cpu(cpu_buffer); rb_check_pages(cpu_buffer); +out: spin_unlock_irq(&cpu_buffer->reader_lock); } diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c index 6fbfb8f417b9..9d589d8dcd1a 100644 --- a/kernel/trace/trace_clock.c +++ b/kernel/trace/trace_clock.c @@ -84,7 +84,7 @@ u64 notrace trace_clock_global(void) int this_cpu; u64 now; - raw_local_irq_save(flags); + local_irq_save(flags); this_cpu = raw_smp_processor_id(); now = cpu_clock(this_cpu); @@ -110,7 +110,7 @@ u64 notrace trace_clock_global(void) arch_spin_unlock(&trace_clock_struct.lock); out: - raw_local_irq_restore(flags); + local_irq_restore(flags); return now; } |