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author | Ingo Molnar <mingo@elte.hu> | 2008-11-21 08:57:04 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-11-21 08:57:04 +0100 |
commit | fc02e90c34bacd5d7bc77b832c65a8f06e1bd60e (patch) | |
tree | d870acafa2290779aa7c0594172bf1c691d3e6c0 /arch | |
parent | ec4e0e2fe018992d980910db901637c814575914 (diff) | |
parent | 13d428afc007fcfcd6deeb215618f54cf9c0cae6 (diff) | |
download | blackbird-op-linux-fc02e90c34bacd5d7bc77b832c65a8f06e1bd60e.tar.gz blackbird-op-linux-fc02e90c34bacd5d7bc77b832c65a8f06e1bd60e.zip |
Merge commit 'v2.6.28-rc6' into sched/core
Diffstat (limited to 'arch')
38 files changed, 283 insertions, 173 deletions
diff --git a/arch/ia64/include/asm/intrinsics.h b/arch/ia64/include/asm/intrinsics.h index 47d686dba1eb..a3e44a5ed497 100644 --- a/arch/ia64/include/asm/intrinsics.h +++ b/arch/ia64/include/asm/intrinsics.h @@ -226,7 +226,7 @@ extern long ia64_cmpxchg_called_with_bad_pointer (void); /************************************************/ #define ia64_ssm IA64_INTRINSIC_MACRO(ssm) #define ia64_rsm IA64_INTRINSIC_MACRO(rsm) -#define ia64_getreg IA64_INTRINSIC_API(getreg) +#define ia64_getreg IA64_INTRINSIC_MACRO(getreg) #define ia64_setreg IA64_INTRINSIC_API(setreg) #define ia64_set_rr IA64_INTRINSIC_API(set_rr) #define ia64_get_rr IA64_INTRINSIC_API(get_rr) diff --git a/arch/ia64/include/asm/paravirt_privop.h b/arch/ia64/include/asm/paravirt_privop.h index d577aac11835..0b597424fcfc 100644 --- a/arch/ia64/include/asm/paravirt_privop.h +++ b/arch/ia64/include/asm/paravirt_privop.h @@ -78,6 +78,19 @@ extern unsigned long ia64_native_getreg_func(int regnum); ia64_native_rsm(mask); \ } while (0) +/* returned ip value should be the one in the caller, + * not in __paravirt_getreg() */ +#define paravirt_getreg(reg) \ + ({ \ + unsigned long res; \ + BUILD_BUG_ON(!__builtin_constant_p(reg)); \ + if ((reg) == _IA64_REG_IP) \ + res = ia64_native_getreg(_IA64_REG_IP); \ + else \ + res = pv_cpu_ops.getreg(reg); \ + res; \ + }) + /****************************************************************************** * replacement of hand written assembly codes. */ diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S index 7ef0c594f5ed..d435f4a7a96c 100644 --- a/arch/ia64/kernel/entry.S +++ b/arch/ia64/kernel/entry.S @@ -499,6 +499,7 @@ GLOBAL_ENTRY(prefetch_stack) END(prefetch_stack) GLOBAL_ENTRY(kernel_execve) + rum psr.ac mov r15=__NR_execve // put syscall number in place break __BREAK_SYSCALL br.ret.sptk.many rp diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S index 66e491d8baac..59301c472800 100644 --- a/arch/ia64/kernel/head.S +++ b/arch/ia64/kernel/head.S @@ -260,7 +260,7 @@ start_ap: * Switch into virtual mode: */ movl r16=(IA64_PSR_IT|IA64_PSR_IC|IA64_PSR_DT|IA64_PSR_RT|IA64_PSR_DFH|IA64_PSR_BN \ - |IA64_PSR_DI) + |IA64_PSR_DI|IA64_PSR_AC) ;; mov cr.ipsr=r16 movl r17=1f diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c index 7dd96c127177..bab1de2d2f6a 100644 --- a/arch/ia64/kernel/mca.c +++ b/arch/ia64/kernel/mca.c @@ -1139,7 +1139,7 @@ ia64_mca_modify_original_stack(struct pt_regs *regs, return previous_current; no_mod: - printk(KERN_INFO "cpu %d, %s %s, original stack not modified\n", + mprintk(KERN_INFO "cpu %d, %s %s, original stack not modified\n", smp_processor_id(), type, msg); return previous_current; } diff --git a/arch/ia64/kernel/paravirt.c b/arch/ia64/kernel/paravirt.c index de35d8e8b7d2..9f14c16f6369 100644 --- a/arch/ia64/kernel/paravirt.c +++ b/arch/ia64/kernel/paravirt.c @@ -130,7 +130,7 @@ ia64_native_getreg_func(int regnum) unsigned long res = -1; switch (regnum) { CASE_GET_REG(GP); - CASE_GET_REG(IP); + /*CASE_GET_REG(IP);*/ /* returned ip value shouldn't be constant */ CASE_GET_REG(PSR); CASE_GET_REG(TP); CASE_GET_REG(SP); diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c index dbdb778efa05..2a92f637431d 100644 --- a/arch/ia64/kernel/pci-dma.c +++ b/arch/ia64/kernel/pci-dma.c @@ -19,7 +19,6 @@ #include <linux/kernel.h> #include <asm/page.h> -#include <asm/iommu.h> dma_addr_t bad_dma_address __read_mostly; EXPORT_SYMBOL(bad_dma_address); diff --git a/arch/ia64/xen/hypercall.S b/arch/ia64/xen/hypercall.S index d4ff0b9e79f1..45e02bb64a92 100644 --- a/arch/ia64/xen/hypercall.S +++ b/arch/ia64/xen/hypercall.S @@ -58,7 +58,7 @@ __HCALL2(xen_set_rr, HYPERPRIVOP_SET_RR) __HCALL2(xen_set_kr, HYPERPRIVOP_SET_KR) #ifdef CONFIG_IA32_SUPPORT -__HCALL1(xen_get_eflag, HYPERPRIVOP_GET_EFLAG) +__HCALL0(xen_get_eflag, HYPERPRIVOP_GET_EFLAG) __HCALL1(xen_set_eflag, HYPERPRIVOP_SET_EFLAG) // refer SDM vol1 3.1.8 #endif /* CONFIG_IA32_SUPPORT */ diff --git a/arch/mips/include/asm/mach-rc32434/gpio.h b/arch/mips/include/asm/mach-rc32434/gpio.h index c8e554eafce3..b5cf6457305a 100644 --- a/arch/mips/include/asm/mach-rc32434/gpio.h +++ b/arch/mips/include/asm/mach-rc32434/gpio.h @@ -84,5 +84,7 @@ extern void set_434_reg(unsigned reg_offs, unsigned bit, unsigned len, unsigned extern unsigned get_434_reg(unsigned reg_offs); extern void set_latch_u5(unsigned char or_mask, unsigned char nand_mask); extern unsigned char get_latch_u5(void); +extern void rb532_gpio_set_ilevel(int bit, unsigned gpio); +extern void rb532_gpio_set_istat(int bit, unsigned gpio); #endif /* _RC32434_GPIO_H_ */ diff --git a/arch/mips/include/asm/mach-rc32434/rb.h b/arch/mips/include/asm/mach-rc32434/rb.h index 79e8ef67d0d3..f25a84916703 100644 --- a/arch/mips/include/asm/mach-rc32434/rb.h +++ b/arch/mips/include/asm/mach-rc32434/rb.h @@ -40,12 +40,14 @@ #define BTCS 0x010040 #define BTCOMPARE 0x010044 #define GPIOBASE 0x050000 -#define GPIOCFG 0x050004 -#define GPIOD 0x050008 -#define GPIOILEVEL 0x05000C -#define GPIOISTAT 0x050010 -#define GPIONMIEN 0x050014 -#define IMASK6 0x038038 +/* Offsets relative to GPIOBASE */ +#define GPIOFUNC 0x00 +#define GPIOCFG 0x04 +#define GPIOD 0x08 +#define GPIOILEVEL 0x0C +#define GPIOISTAT 0x10 +#define GPIONMIEN 0x14 +#define IMASK6 0x38 #define LO_WPX (1 << 0) #define LO_ALE (1 << 1) #define LO_CLE (1 << 2) diff --git a/arch/mips/include/asm/time.h b/arch/mips/include/asm/time.h index d3bd5c5aa2ec..9601ea950542 100644 --- a/arch/mips/include/asm/time.h +++ b/arch/mips/include/asm/time.h @@ -63,7 +63,7 @@ static inline int mips_clockevent_init(void) /* * Initialize the count register as a clocksource */ -#ifdef CONFIG_CEVT_R4K +#ifdef CONFIG_CSRC_R4K extern int init_mips_clocksource(void); #else static inline int init_mips_clocksource(void) diff --git a/arch/mips/kernel/csrc-r4k.c b/arch/mips/kernel/csrc-r4k.c index 86e026f067bc..74fb74583b4e 100644 --- a/arch/mips/kernel/csrc-r4k.c +++ b/arch/mips/kernel/csrc-r4k.c @@ -27,7 +27,7 @@ int __init init_mips_clocksource(void) if (!cpu_has_counter || !mips_hpt_frequency) return -ENXIO; - /* Calclate a somewhat reasonable rating value */ + /* Calculate a somewhat reasonable rating value */ clocksource_mips.rating = 200 + mips_hpt_frequency / 10000000; clocksource_set_clock(&clocksource_mips, mips_hpt_frequency); diff --git a/arch/mips/mm/sc-ip22.c b/arch/mips/mm/sc-ip22.c index 1f602a110e10..13adb5782110 100644 --- a/arch/mips/mm/sc-ip22.c +++ b/arch/mips/mm/sc-ip22.c @@ -161,7 +161,7 @@ static inline int __init indy_sc_probe(void) /* XXX Check with wje if the Indy caches can differenciate between writeback + invalidate and just invalidate. */ -struct bcache_ops indy_sc_ops = { +static struct bcache_ops indy_sc_ops = { .bc_enable = indy_sc_enable, .bc_disable = indy_sc_disable, .bc_wback_inv = indy_sc_wback_invalidate, diff --git a/arch/mips/mti-malta/malta-amon.c b/arch/mips/mti-malta/malta-amon.c index 96236bf33838..df9e526312a2 100644 --- a/arch/mips/mti-malta/malta-amon.c +++ b/arch/mips/mti-malta/malta-amon.c @@ -22,9 +22,9 @@ #include <linux/init.h> #include <linux/smp.h> -#include <asm-mips/addrspace.h> -#include <asm-mips/mips-boards/launch.h> -#include <asm-mips/mipsmtregs.h> +#include <asm/addrspace.h> +#include <asm/mips-boards/launch.h> +#include <asm/mipsmtregs.h> int amon_cpu_avail(int cpu) { diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c index 2f22d714d5b0..c1c29181bd46 100644 --- a/arch/mips/rb532/devices.c +++ b/arch/mips/rb532/devices.c @@ -118,7 +118,7 @@ static struct platform_device cf_slot0 = { /* Resources and device for NAND */ static int rb532_dev_ready(struct mtd_info *mtd) { - return readl(IDT434_REG_BASE + GPIOD) & GPIO_RDY; + return gpio_get_value(GPIO_RDY); } static void rb532_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) diff --git a/arch/mips/rb532/gpio.c b/arch/mips/rb532/gpio.c index 70c4a6726377..0e84c8ab6a39 100644 --- a/arch/mips/rb532/gpio.c +++ b/arch/mips/rb532/gpio.c @@ -39,10 +39,6 @@ struct rb532_gpio_chip { struct gpio_chip chip; void __iomem *regbase; - void (*set_int_level)(struct gpio_chip *chip, unsigned offset, int value); - int (*get_int_level)(struct gpio_chip *chip, unsigned offset); - void (*set_int_status)(struct gpio_chip *chip, unsigned offset, int value); - int (*get_int_status)(struct gpio_chip *chip, unsigned offset); }; struct mpmc_device dev3; @@ -111,15 +107,47 @@ unsigned char get_latch_u5(void) } EXPORT_SYMBOL(get_latch_u5); +/* rb532_set_bit - sanely set a bit + * + * bitval: new value for the bit + * offset: bit index in the 4 byte address range + * ioaddr: 4 byte aligned address being altered + */ +static inline void rb532_set_bit(unsigned bitval, + unsigned offset, void __iomem *ioaddr) +{ + unsigned long flags; + u32 val; + + bitval = !!bitval; /* map parameter to {0,1} */ + + local_irq_save(flags); + + val = readl(ioaddr); + val &= ~( ~bitval << offset ); /* unset bit if bitval == 0 */ + val |= ( bitval << offset ); /* set bit if bitval == 1 */ + writel(val, ioaddr); + + local_irq_restore(flags); +} + +/* rb532_get_bit - read a bit + * + * returns the boolean state of the bit, which may be > 1 + */ +static inline int rb532_get_bit(unsigned offset, void __iomem *ioaddr) +{ + return (readl(ioaddr) & (1 << offset)); +} + /* * Return GPIO level */ static int rb532_gpio_get(struct gpio_chip *chip, unsigned offset) { - u32 mask = 1 << offset; struct rb532_gpio_chip *gpch; gpch = container_of(chip, struct rb532_gpio_chip, chip); - return readl(gpch->regbase + GPIOD) & mask; + return rb532_get_bit(offset, gpch->regbase + GPIOD); } /* @@ -128,23 +156,10 @@ static int rb532_gpio_get(struct gpio_chip *chip, unsigned offset) static void rb532_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - unsigned long flags; - u32 mask = 1 << offset; - u32 tmp; struct rb532_gpio_chip *gpch; - void __iomem *gpvr; gpch = container_of(chip, struct rb532_gpio_chip, chip); - gpvr = gpch->regbase + GPIOD; - - local_irq_save(flags); - tmp = readl(gpvr); - if (value) - tmp |= mask; - else - tmp &= ~mask; - writel(tmp, gpvr); - local_irq_restore(flags); + rb532_set_bit(value, offset, gpch->regbase + GPIOD); } /* @@ -152,21 +167,14 @@ static void rb532_gpio_set(struct gpio_chip *chip, */ static int rb532_gpio_direction_input(struct gpio_chip *chip, unsigned offset) { - unsigned long flags; - u32 mask = 1 << offset; - u32 value; struct rb532_gpio_chip *gpch; - void __iomem *gpdr; gpch = container_of(chip, struct rb532_gpio_chip, chip); - gpdr = gpch->regbase + GPIOCFG; - local_irq_save(flags); - value = readl(gpdr); - value &= ~mask; - writel(value, gpdr); - local_irq_restore(flags); + if (rb532_get_bit(offset, gpch->regbase + GPIOFUNC)) + return 1; /* alternate function, GPIOCFG is ignored */ + rb532_set_bit(0, offset, gpch->regbase + GPIOCFG); return 0; } @@ -176,117 +184,60 @@ static int rb532_gpio_direction_input(struct gpio_chip *chip, unsigned offset) static int rb532_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int value) { - unsigned long flags; - u32 mask = 1 << offset; - u32 tmp; struct rb532_gpio_chip *gpch; - void __iomem *gpdr; gpch = container_of(chip, struct rb532_gpio_chip, chip); - writel(mask, gpch->regbase + GPIOD); - gpdr = gpch->regbase + GPIOCFG; - local_irq_save(flags); - tmp = readl(gpdr); - tmp |= mask; - writel(tmp, gpdr); - local_irq_restore(flags); + if (rb532_get_bit(offset, gpch->regbase + GPIOFUNC)) + return 1; /* alternate function, GPIOCFG is ignored */ + /* set the initial output value */ + rb532_set_bit(value, offset, gpch->regbase + GPIOD); + + rb532_set_bit(1, offset, gpch->regbase + GPIOCFG); return 0; } -/* - * Set the GPIO interrupt level - */ -static void rb532_gpio_set_int_level(struct gpio_chip *chip, - unsigned offset, int value) -{ - unsigned long flags; - u32 mask = 1 << offset; - u32 tmp; - struct rb532_gpio_chip *gpch; - void __iomem *gpil; - - gpch = container_of(chip, struct rb532_gpio_chip, chip); - gpil = gpch->regbase + GPIOILEVEL; - - local_irq_save(flags); - tmp = readl(gpil); - if (value) - tmp |= mask; - else - tmp &= ~mask; - writel(tmp, gpil); - local_irq_restore(flags); -} +static struct rb532_gpio_chip rb532_gpio_chip[] = { + [0] = { + .chip = { + .label = "gpio0", + .direction_input = rb532_gpio_direction_input, + .direction_output = rb532_gpio_direction_output, + .get = rb532_gpio_get, + .set = rb532_gpio_set, + .base = 0, + .ngpio = 32, + }, + }, +}; /* - * Get the GPIO interrupt level + * Set GPIO interrupt level */ -static int rb532_gpio_get_int_level(struct gpio_chip *chip, unsigned offset) +void rb532_gpio_set_ilevel(int bit, unsigned gpio) { - u32 mask = 1 << offset; - struct rb532_gpio_chip *gpch; - - gpch = container_of(chip, struct rb532_gpio_chip, chip); - return readl(gpch->regbase + GPIOILEVEL) & mask; + rb532_set_bit(bit, gpio, rb532_gpio_chip->regbase + GPIOILEVEL); } +EXPORT_SYMBOL(rb532_gpio_set_ilevel); /* - * Set the GPIO interrupt status + * Set GPIO interrupt status */ -static void rb532_gpio_set_int_status(struct gpio_chip *chip, - unsigned offset, int value) +void rb532_gpio_set_istat(int bit, unsigned gpio) { - unsigned long flags; - u32 mask = 1 << offset; - u32 tmp; - struct rb532_gpio_chip *gpch; - void __iomem *gpis; - - gpch = container_of(chip, struct rb532_gpio_chip, chip); - gpis = gpch->regbase + GPIOISTAT; - - local_irq_save(flags); - tmp = readl(gpis); - if (value) - tmp |= mask; - else - tmp &= ~mask; - writel(tmp, gpis); - local_irq_restore(flags); + rb532_set_bit(bit, gpio, rb532_gpio_chip->regbase + GPIOISTAT); } +EXPORT_SYMBOL(rb532_gpio_set_istat); /* - * Get the GPIO interrupt status + * Configure GPIO alternate function */ -static int rb532_gpio_get_int_status(struct gpio_chip *chip, unsigned offset) +static void rb532_gpio_set_func(int bit, unsigned gpio) { - u32 mask = 1 << offset; - struct rb532_gpio_chip *gpch; - - gpch = container_of(chip, struct rb532_gpio_chip, chip); - return readl(gpch->regbase + GPIOISTAT) & mask; + rb532_set_bit(bit, gpio, rb532_gpio_chip->regbase + GPIOFUNC); } -static struct rb532_gpio_chip rb532_gpio_chip[] = { - [0] = { - .chip = { - .label = "gpio0", - .direction_input = rb532_gpio_direction_input, - .direction_output = rb532_gpio_direction_output, - .get = rb532_gpio_get, - .set = rb532_gpio_set, - .base = 0, - .ngpio = 32, - }, - .get_int_level = rb532_gpio_get_int_level, - .set_int_level = rb532_gpio_set_int_level, - .get_int_status = rb532_gpio_get_int_status, - .set_int_status = rb532_gpio_set_int_status, - }, -}; - int __init rb532_gpio_init(void) { struct resource *r; @@ -310,9 +261,11 @@ int __init rb532_gpio_init(void) return -ENXIO; } - /* Set the interrupt status and level for the CF pin */ - rb532_gpio_set_int_level(&rb532_gpio_chip->chip, CF_GPIO_NUM, 1); - rb532_gpio_set_int_status(&rb532_gpio_chip->chip, CF_GPIO_NUM, 0); + /* configure CF_GPIO_NUM as CFRDY IRQ source */ + rb532_gpio_set_func(0, CF_GPIO_NUM); + rb532_gpio_direction_input(&rb532_gpio_chip->chip, CF_GPIO_NUM); + rb532_gpio_set_ilevel(1, CF_GPIO_NUM); + rb532_gpio_set_istat(0, CF_GPIO_NUM); return 0; } diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c index 90904f9dfc50..927db3668b6f 100644 --- a/arch/parisc/kernel/ptrace.c +++ b/arch/parisc/kernel/ptrace.c @@ -183,10 +183,10 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) * being 64 bit in both cases. */ -static long translate_usr_offset(long offset) +static compat_ulong_t translate_usr_offset(compat_ulong_t offset) { if (offset < 0) - return -1; + return sizeof(struct pt_regs); else if (offset <= 32*4) /* gr[0..31] */ return offset * 2 + 4; else if (offset <= 32*4+32*8) /* gr[0..31] + fr[0..31] */ @@ -194,7 +194,7 @@ static long translate_usr_offset(long offset) else if (offset < sizeof(struct pt_regs)/2 + 32*4) return offset * 2 + 4 - 32*8; else - return -1; + return sizeof(struct pt_regs); } long compat_arch_ptrace(struct task_struct *child, compat_long_t request, @@ -209,7 +209,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, if (addr & (sizeof(compat_uint_t)-1)) break; addr = translate_usr_offset(addr); - if (addr < 0) + if (addr >= sizeof(struct pt_regs)) break; tmp = *(compat_uint_t *) ((char *) task_regs(child) + addr); @@ -236,7 +236,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, if (addr & (sizeof(compat_uint_t)-1)) break; addr = translate_usr_offset(addr); - if (addr < 0) + if (addr >= sizeof(struct pt_regs)) break; if (addr >= PT_FR0 && addr <= PT_FR31 + 4) { /* Special case, fp regs are 64 bits anyway */ diff --git a/arch/sparc/include/asm/unistd_32.h b/arch/sparc/include/asm/unistd_32.h index 648643a9f139..0d13d2a4c76f 100644 --- a/arch/sparc/include/asm/unistd_32.h +++ b/arch/sparc/include/asm/unistd_32.h @@ -338,8 +338,9 @@ #define __NR_dup3 320 #define __NR_pipe2 321 #define __NR_inotify_init1 322 +#define __NR_accept4 323 -#define NR_SYSCALLS 323 +#define NR_SYSCALLS 324 /* Sparc 32-bit only has the "setresuid32", "getresuid32" variants, * it never had the plain ones and there is no value to adding those diff --git a/arch/sparc/include/asm/unistd_64.h b/arch/sparc/include/asm/unistd_64.h index c5cc0e052321..fa5d3c0343c7 100644 --- a/arch/sparc/include/asm/unistd_64.h +++ b/arch/sparc/include/asm/unistd_64.h @@ -340,8 +340,9 @@ #define __NR_dup3 320 #define __NR_pipe2 321 #define __NR_inotify_init1 322 +#define __NR_accept4 323 -#define NR_SYSCALLS 323 +#define NR_SYSCALLS 324 #ifdef __KERNEL__ #define __ARCH_WANT_IPC_PARSE_VERSION diff --git a/arch/sparc/kernel/systbls.S b/arch/sparc/kernel/systbls.S index e1b9233b90ab..7d0807586442 100644 --- a/arch/sparc/kernel/systbls.S +++ b/arch/sparc/kernel/systbls.S @@ -81,4 +81,4 @@ sys_call_table: /*305*/ .long sys_set_mempolicy, sys_kexec_load, sys_move_pages, sys_getcpu, sys_epoll_pwait /*310*/ .long sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate /*315*/ .long sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1 -/*320*/ .long sys_dup3, sys_pipe2, sys_inotify_init1 +/*320*/ .long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4 diff --git a/arch/sparc64/kernel/sys32.S b/arch/sparc64/kernel/sys32.S index ade18ba0c686..f061c4dda9ef 100644 --- a/arch/sparc64/kernel/sys32.S +++ b/arch/sparc64/kernel/sys32.S @@ -150,7 +150,7 @@ sys32_mmap2: sys32_socketcall: /* %o0=call, %o1=args */ cmp %o0, 1 bl,pn %xcc, do_einval - cmp %o0, 17 + cmp %o0, 18 bg,pn %xcc, do_einval sub %o0, 1, %o0 sllx %o0, 5, %o0 @@ -319,6 +319,15 @@ do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int) nop nop nop +do_sys_accept4: /* sys_accept4(int, struct sockaddr *, int *, int) */ +63: ldswa [%o1 + 0x0] %asi, %o0 + sethi %hi(sys_accept4), %g1 +64: lduwa [%o1 + 0x8] %asi, %o2 +65: ldswa [%o1 + 0xc] %asi, %o3 + jmpl %g1 + %lo(sys_accept4), %g0 +66: lduwa [%o1 + 0x4] %asi, %o1 + nop + nop .section __ex_table,"a" .align 4 @@ -353,4 +362,6 @@ do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int) .word 57b, __retl_efault, 58b, __retl_efault .word 59b, __retl_efault, 60b, __retl_efault .word 61b, __retl_efault, 62b, __retl_efault + .word 63b, __retl_efault, 64b, __retl_efault + .word 65b, __retl_efault, 66b, __retl_efault .previous diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S index b2fa4c163638..9fc78cf354bd 100644 --- a/arch/sparc64/kernel/systbls.S +++ b/arch/sparc64/kernel/systbls.S @@ -82,7 +82,7 @@ sys_call_table32: .word compat_sys_set_mempolicy, compat_sys_kexec_load, compat_sys_move_pages, sys_getcpu, compat_sys_epoll_pwait /*310*/ .word compat_sys_utimensat, compat_sys_signalfd, sys_timerfd_create, sys_eventfd, compat_sys_fallocate .word compat_sys_timerfd_settime, compat_sys_timerfd_gettime, compat_sys_signalfd4, sys_eventfd2, sys_epoll_create1 -/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1 +/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4 #endif /* CONFIG_COMPAT */ @@ -156,4 +156,4 @@ sys_call_table: .word sys_set_mempolicy, sys_kexec_load, sys_move_pages, sys_getcpu, sys_epoll_pwait /*310*/ .word sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate .word sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1 -/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1 +/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4 diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index f232d5a98491..7b7d2764a215 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -167,9 +167,12 @@ config GENERIC_PENDING_IRQ config X86_SMP bool depends on SMP && ((X86_32 && !X86_VOYAGER) || X86_64) - select USE_GENERIC_SMP_HELPERS default y +config USE_GENERIC_SMP_HELPERS + def_bool y + depends on SMP + config X86_32_SMP def_bool y depends on X86_32 && SMP @@ -957,7 +960,7 @@ config ARCH_PHYS_ADDR_T_64BIT config NUMA bool "Numa Memory Allocation and Scheduler Support (EXPERIMENTAL)" depends on SMP - depends on X86_64 || (X86_32 && HIGHMEM64G && (X86_NUMAQ || X86_BIGSMP || X86_SUMMIT && ACPI) && BROKEN) + depends on X86_64 || (X86_32 && HIGHMEM64G && (X86_NUMAQ || X86_BIGSMP || X86_SUMMIT && ACPI) && EXPERIMENTAL) default n if X86_PC default y if (X86_NUMAQ || X86_SUMMIT || X86_BIGSMP) help diff --git a/arch/x86/include/asm/iomap.h b/arch/x86/include/asm/iomap.h new file mode 100644 index 000000000000..c1f06289b14b --- /dev/null +++ b/arch/x86/include/asm/iomap.h @@ -0,0 +1,30 @@ +/* + * Copyright © 2008 Ingo Molnar + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <linux/fs.h> +#include <linux/mm.h> +#include <linux/uaccess.h> +#include <asm/cacheflush.h> +#include <asm/pgtable.h> +#include <asm/tlbflush.h> + +void * +iomap_atomic_prot_pfn(unsigned long pfn, enum km_type type, pgprot_t prot); + +void +iounmap_atomic(void *kvaddr, enum km_type type); diff --git a/arch/x86/include/asm/mmzone_32.h b/arch/x86/include/asm/mmzone_32.h index 485bdf059ffb..07f1af494ca5 100644 --- a/arch/x86/include/asm/mmzone_32.h +++ b/arch/x86/include/asm/mmzone_32.h @@ -34,10 +34,14 @@ static inline void get_memcfg_numa(void) extern int early_pfn_to_nid(unsigned long pfn); +extern void resume_map_numa_kva(pgd_t *pgd); + #else /* !CONFIG_NUMA */ #define get_memcfg_numa get_memcfg_numa_flat +static inline void resume_map_numa_kva(pgd_t *pgd) {} + #endif /* CONFIG_NUMA */ #ifdef CONFIG_DISCONTIGMEM diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h index 664f15280f14..f8cfd00db450 100644 --- a/arch/x86/include/asm/uaccess_64.h +++ b/arch/x86/include/asm/uaccess_64.h @@ -46,7 +46,7 @@ int __copy_from_user(void *dst, const void __user *src, unsigned size) return ret; case 10: __get_user_asm(*(u64 *)dst, (u64 __user *)src, - ret, "q", "", "=r", 16); + ret, "q", "", "=r", 10); if (unlikely(ret)) return ret; __get_user_asm(*(u16 *)(8 + (char *)dst), diff --git a/arch/x86/include/asm/unistd_64.h b/arch/x86/include/asm/unistd_64.h index 834b2c1d89fb..d2e415e6666f 100644 --- a/arch/x86/include/asm/unistd_64.h +++ b/arch/x86/include/asm/unistd_64.h @@ -639,8 +639,8 @@ __SYSCALL(__NR_fallocate, sys_fallocate) __SYSCALL(__NR_timerfd_settime, sys_timerfd_settime) #define __NR_timerfd_gettime 287 __SYSCALL(__NR_timerfd_gettime, sys_timerfd_gettime) -#define __NR_paccept 288 -__SYSCALL(__NR_paccept, sys_paccept) +#define __NR_accept4 288 +__SYSCALL(__NR_accept4, sys_accept4) #define __NR_signalfd4 289 __SYSCALL(__NR_signalfd4, sys_signalfd4) #define __NR_eventfd2 290 diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 331b318304eb..e4899e0e8787 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -537,7 +537,7 @@ static void dma_ops_free_addresses(struct dma_ops_domain *dom, address >>= PAGE_SHIFT; iommu_area_free(dom->bitmap, address, pages); - if (address + pages >= dom->next_bit) + if (address >= dom->next_bit) dom->need_flush = true; } diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 0cdcda35a05f..30ae2701b3df 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -121,7 +121,7 @@ u16 amd_iommu_last_bdf; /* largest PCI device id we have LIST_HEAD(amd_iommu_unity_map); /* a list of required unity mappings we find in ACPI */ unsigned amd_iommu_aperture_order = 26; /* size of aperture in power of 2 */ -int amd_iommu_isolate; /* if 1, device isolation is enabled */ +int amd_iommu_isolate = 1; /* if 1, device isolation is enabled */ bool amd_iommu_unmap_flush; /* if true, flush on every unmap */ LIST_HEAD(amd_iommu_list); /* list of all AMD IOMMUs in the @@ -1213,7 +1213,9 @@ static int __init parse_amd_iommu_options(char *str) for (; *str; ++str) { if (strncmp(str, "isolate", 7) == 0) amd_iommu_isolate = 1; - if (strncmp(str, "fullflush", 11) == 0) + if (strncmp(str, "share", 5) == 0) + amd_iommu_isolate = 0; + if (strncmp(str, "fullflush", 9) == 0) amd_iommu_unmap_flush = true; } diff --git a/arch/x86/kernel/ds.c b/arch/x86/kernel/ds.c index 2b69994fd3a8..d1a121443bde 100644 --- a/arch/x86/kernel/ds.c +++ b/arch/x86/kernel/ds.c @@ -236,17 +236,33 @@ static inline struct ds_context *ds_alloc_context(struct task_struct *task) struct ds_context *context = *p_context; if (!context) { + spin_unlock(&ds_lock); + context = kzalloc(sizeof(*context), GFP_KERNEL); - if (!context) + if (!context) { + spin_lock(&ds_lock); return NULL; + } context->ds = kzalloc(ds_cfg.sizeof_ds, GFP_KERNEL); if (!context->ds) { kfree(context); + spin_lock(&ds_lock); return NULL; } + spin_lock(&ds_lock); + /* + * Check for race - another CPU could have allocated + * it meanwhile: + */ + if (*p_context) { + kfree(context->ds); + kfree(context); + return *p_context; + } + *p_context = context; context->this = p_context; @@ -384,14 +400,15 @@ static int ds_request(struct task_struct *task, void *base, size_t size, spin_lock(&ds_lock); - if (!check_tracer(task)) - return -EPERM; - error = -ENOMEM; context = ds_alloc_context(task); if (!context) goto out_unlock; + error = -EPERM; + if (!check_tracer(task)) + goto out_unlock; + error = -EALREADY; if (context->owner[qual] == current) goto out_unlock; diff --git a/arch/x86/kernel/es7000_32.c b/arch/x86/kernel/es7000_32.c index f454c78fcef6..0aa2c443d600 100644 --- a/arch/x86/kernel/es7000_32.c +++ b/arch/x86/kernel/es7000_32.c @@ -250,31 +250,24 @@ int __init find_unisys_acpi_oem_table(unsigned long *oem_addr) { struct acpi_table_header *header = NULL; int i = 0; - acpi_size tbl_size; - while (ACPI_SUCCESS(acpi_get_table_with_size("OEM1", i++, &header, &tbl_size))) { + while (ACPI_SUCCESS(acpi_get_table("OEM1", i++, &header))) { if (!memcmp((char *) &header->oem_id, "UNISYS", 6)) { struct oem_table *t = (struct oem_table *)header; oem_addrX = t->OEMTableAddr; oem_size = t->OEMTableSize; - early_acpi_os_unmap_memory(header, tbl_size); *oem_addr = (unsigned long)__acpi_map_table(oem_addrX, oem_size); return 0; } - early_acpi_os_unmap_memory(header, tbl_size); } return -1; } void __init unmap_unisys_acpi_oem_table(unsigned long oem_addr) { - if (!oem_addr) - return; - - __acpi_unmap_table((char *)oem_addr, oem_size); } #endif diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 7a3f2028e2eb..c9513e1ff28d 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -1140,6 +1140,20 @@ static void __clear_irq_vector(int irq) cfg->vector = 0; cpus_clear(cfg->domain); + + if (likely(!cfg->move_in_progress)) + return; + cpus_and(mask, cfg->old_domain, cpu_online_map); + for_each_cpu_mask_nr(cpu, mask) { + for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; + vector++) { + if (per_cpu(vector_irq, cpu)[vector] != irq) + continue; + per_cpu(vector_irq, cpu)[vector] = -1; + break; + } + } + cfg->move_in_progress = 0; } void __setup_vector_irq(int cpu) diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index 724adfc63cb9..cc5a2545dd41 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -169,6 +169,15 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = { DMI_MATCH(DMI_BOARD_NAME, "0KW626"), }, }, + { /* Handle problems with rebooting on Dell Optiplex 330 with 0KP561 */ + .callback = set_bios_reboot, + .ident = "Dell OptiPlex 330", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 330"), + DMI_MATCH(DMI_BOARD_NAME, "0KP561"), + }, + }, { /* Handle problems with rebooting on Dell 2400's */ .callback = set_bios_reboot, .ident = "Dell PowerEdge 2400", diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 0fa6790c1dd3..9d5674f7b6cc 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -764,7 +764,7 @@ static struct dmi_system_id __initdata bad_bios_dmi_table[] = { .callback = dmi_low_memory_corruption, .ident = "Phoenix BIOS", .matches = { - DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies, LTD"), + DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies"), }, }, #endif diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c index 9ffb01c31c40..1c0dfbca87c1 100644 --- a/arch/x86/kernel/tsc_sync.c +++ b/arch/x86/kernel/tsc_sync.c @@ -46,7 +46,9 @@ static __cpuinit void check_tsc_warp(void) cycles_t start, now, prev, end; int i; + rdtsc_barrier(); start = get_cycles(); + rdtsc_barrier(); /* * The measurement runs for 20 msecs: */ @@ -61,7 +63,9 @@ static __cpuinit void check_tsc_warp(void) */ __raw_spin_lock(&sync_lock); prev = last_tsc; + rdtsc_barrier(); now = get_cycles(); + rdtsc_barrier(); last_tsc = now; __raw_spin_unlock(&sync_lock); diff --git a/arch/x86/mach-voyager/voyager_smp.c b/arch/x86/mach-voyager/voyager_smp.c index 0e331652681e..52145007bd7e 100644 --- a/arch/x86/mach-voyager/voyager_smp.c +++ b/arch/x86/mach-voyager/voyager_smp.c @@ -7,6 +7,7 @@ * This file provides all the same external entries as smp.c but uses * the voyager hal to provide the functionality */ +#include <linux/cpu.h> #include <linux/module.h> #include <linux/mm.h> #include <linux/kernel_stat.h> @@ -1790,6 +1791,17 @@ void __init smp_setup_processor_id(void) x86_write_percpu(cpu_number, hard_smp_processor_id()); } +static void voyager_send_call_func(cpumask_t callmask) +{ + __u32 mask = cpus_addr(callmask)[0] & ~(1 << smp_processor_id()); + send_CPI(mask, VIC_CALL_FUNCTION_CPI); +} + +static void voyager_send_call_func_single(int cpu) +{ + send_CPI(1 << cpu, VIC_CALL_FUNCTION_SINGLE_CPI); +} + struct smp_ops smp_ops = { .smp_prepare_boot_cpu = voyager_smp_prepare_boot_cpu, .smp_prepare_cpus = voyager_smp_prepare_cpus, @@ -1799,6 +1811,6 @@ struct smp_ops smp_ops = { .smp_send_stop = voyager_smp_send_stop, .smp_send_reschedule = voyager_smp_send_reschedule, - .send_call_func_ipi = native_send_call_func_ipi, - .send_call_func_single_ipi = native_send_call_func_single_ipi, + .send_call_func_ipi = voyager_send_call_func, + .send_call_func_single_ipi = voyager_send_call_func_single, }; diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c index 847c164725f4..8518c678d83f 100644 --- a/arch/x86/mm/numa_32.c +++ b/arch/x86/mm/numa_32.c @@ -222,6 +222,41 @@ static void __init remap_numa_kva(void) } } +#ifdef CONFIG_HIBERNATION +/** + * resume_map_numa_kva - add KVA mapping to the temporary page tables created + * during resume from hibernation + * @pgd_base - temporary resume page directory + */ +void resume_map_numa_kva(pgd_t *pgd_base) +{ + int node; + + for_each_online_node(node) { + unsigned long start_va, start_pfn, size, pfn; + + start_va = (unsigned long)node_remap_start_vaddr[node]; + start_pfn = node_remap_start_pfn[node]; + size = node_remap_size[node]; + + printk(KERN_DEBUG "%s: node %d\n", __FUNCTION__, node); + + for (pfn = 0; pfn < size; pfn += PTRS_PER_PTE) { + unsigned long vaddr = start_va + (pfn << PAGE_SHIFT); + pgd_t *pgd = pgd_base + pgd_index(vaddr); + pud_t *pud = pud_offset(pgd, vaddr); + pmd_t *pmd = pmd_offset(pud, vaddr); + + set_pmd(pmd, pfn_pmd(start_pfn + pfn, + PAGE_KERNEL_LARGE_EXEC)); + + printk(KERN_DEBUG "%s: %08lx -> pfn %08lx\n", + __FUNCTION__, vaddr, start_pfn + pfn); + } + } +} +#endif + static unsigned long calculate_numa_remap_pages(void) { int nid; diff --git a/arch/x86/power/hibernate_32.c b/arch/x86/power/hibernate_32.c index f2b6e3f11bfc..81197c62d5b3 100644 --- a/arch/x86/power/hibernate_32.c +++ b/arch/x86/power/hibernate_32.c @@ -12,6 +12,7 @@ #include <asm/system.h> #include <asm/page.h> #include <asm/pgtable.h> +#include <asm/mmzone.h> /* Defined in hibernate_asm_32.S */ extern int restore_image(void); @@ -127,6 +128,9 @@ static int resume_physical_mapping_init(pgd_t *pgd_base) } } } + + resume_map_numa_kva(pgd_base); + return 0; } |