diff options
49 files changed, 95 insertions, 108 deletions
diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c index ced4aae8b80..04dcc5e5d4c 100644 --- a/arch/alpha/kernel/core_marvel.c +++ b/arch/alpha/kernel/core_marvel.c @@ -662,7 +662,7 @@ __marvel_rtc_io(u8 b, unsigned long addr, int write) if (smp_processor_id() != boot_cpuid) smp_call_function_single(boot_cpuid, __marvel_access_rtc, - &rtc_access, 1, 1); + &rtc_access, 1); else __marvel_access_rtc(&rtc_access); #else diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index 95c905be915..44114c8dbb2 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -710,7 +710,7 @@ flush_tlb_mm(struct mm_struct *mm) } } - if (smp_call_function(ipi_flush_tlb_mm, mm, 1, 1)) { + if (smp_call_function(ipi_flush_tlb_mm, mm, 1)) { printk(KERN_CRIT "flush_tlb_mm: timed out\n"); } @@ -763,7 +763,7 @@ flush_tlb_page(struct vm_area_struct *vma, unsigned long addr) data.mm = mm; data.addr = addr; - if (smp_call_function(ipi_flush_tlb_page, &data, 1, 1)) { + if (smp_call_function(ipi_flush_tlb_page, &data, 1)) { printk(KERN_CRIT "flush_tlb_page: timed out\n"); } @@ -815,7 +815,7 @@ flush_icache_user_range(struct vm_area_struct *vma, struct page *page, } } - if (smp_call_function(ipi_flush_icache_page, mm, 1, 1)) { + if (smp_call_function(ipi_flush_icache_page, mm, 1)) { printk(KERN_CRIT "flush_icache_page: timed out\n"); } diff --git a/arch/alpha/oprofile/common.c b/arch/alpha/oprofile/common.c index 9fc0eeb4f0a..7c3d5ec6ec6 100644 --- a/arch/alpha/oprofile/common.c +++ b/arch/alpha/oprofile/common.c @@ -65,7 +65,7 @@ op_axp_setup(void) model->reg_setup(®, ctr, &sys); /* Configure the registers on all cpus. */ - (void)smp_call_function(model->cpu_setup, ®, 0, 1); + (void)smp_call_function(model->cpu_setup, ®, 1); model->cpu_setup(®); return 0; } @@ -86,7 +86,7 @@ op_axp_cpu_start(void *dummy) static int op_axp_start(void) { - (void)smp_call_function(op_axp_cpu_start, NULL, 0, 1); + (void)smp_call_function(op_axp_cpu_start, NULL, 1); op_axp_cpu_start(NULL); return 0; } @@ -101,7 +101,7 @@ op_axp_cpu_stop(void *dummy) static void op_axp_stop(void) { - (void)smp_call_function(op_axp_cpu_stop, NULL, 0, 1); + (void)smp_call_function(op_axp_cpu_stop, NULL, 1); op_axp_cpu_stop(NULL); } diff --git a/arch/arm/oprofile/op_model_mpcore.c b/arch/arm/oprofile/op_model_mpcore.c index 74fae604565..4458705021e 100644 --- a/arch/arm/oprofile/op_model_mpcore.c +++ b/arch/arm/oprofile/op_model_mpcore.c @@ -201,7 +201,7 @@ static int em_call_function(int (*fn)(void)) data.ret = 0; preempt_disable(); - smp_call_function(em_func, &data, 1, 1); + smp_call_function(em_func, &data, 1); em_func(&data); preempt_enable(); diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 32455c633f1..c0d2c9bb952 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -352,7 +352,7 @@ static int __init vfp_init(void) else if (vfpsid & FPSID_NODOUBLE) { printk("no double precision support\n"); } else { - smp_call_function(vfp_enable, NULL, 1, 1); + smp_call_function(vfp_enable, NULL, 1); VFP_arch = (vfpsid & FPSID_ARCH_MASK) >> FPSID_ARCH_BIT; /* Extract the architecture version */ printk("implementor %02x architecture %d part %02x variant %x rev %x\n", diff --git a/arch/cris/arch-v32/kernel/smp.c b/arch/cris/arch-v32/kernel/smp.c index a9c3334e46c..952a24b2f5a 100644 --- a/arch/cris/arch-v32/kernel/smp.c +++ b/arch/cris/arch-v32/kernel/smp.c @@ -194,7 +194,7 @@ void stop_this_cpu(void* dummy) /* Other calls */ void smp_send_stop(void) { - smp_call_function(stop_this_cpu, NULL, 1, 0); + smp_call_function(stop_this_cpu, NULL, 0); } int setup_profiling_timer(unsigned int multiplier) @@ -316,8 +316,7 @@ int send_ipi(int vector, int wait, cpumask_t cpu_mask) * You must not call this function with disabled interrupts or from a * hardware interrupt handler or from a bottom half handler. */ -int smp_call_function(void (*func)(void *info), void *info, - int nonatomic, int wait) +int smp_call_function(void (*func)(void *info), void *info, int wait) { cpumask_t cpu_mask = CPU_MASK_ALL; struct call_data_struct data; diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c index 705176b434b..9cd818cc700 100644 --- a/arch/ia64/kernel/mca.c +++ b/arch/ia64/kernel/mca.c @@ -1881,7 +1881,7 @@ static int __cpuinit mca_cpu_callback(struct notifier_block *nfb, case CPU_ONLINE: case CPU_ONLINE_FROZEN: smp_call_function_single(hotcpu, ia64_mca_cmc_vector_adjust, - NULL, 1, 0); + NULL, 0); break; } return NOTIFY_OK; diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c index 9dc00f7fe10..e5c57f413ca 100644 --- a/arch/ia64/kernel/palinfo.c +++ b/arch/ia64/kernel/palinfo.c @@ -921,7 +921,7 @@ int palinfo_handle_smp(pal_func_cpu_u_t *f, char *page) /* will send IPI to other CPU and wait for completion of remote call */ - if ((ret=smp_call_function_single(f->req_cpu, palinfo_smp_call, &ptr, 0, 1))) { + if ((ret=smp_call_function_single(f->req_cpu, palinfo_smp_call, &ptr, 1))) { printk(KERN_ERR "palinfo: remote CPU call from %d to %d on function %d: " "error %d\n", smp_processor_id(), f->req_cpu, f->func_id, ret); return 0; diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index 7714a97b010..9baa48255c1 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c @@ -1820,7 +1820,7 @@ pfm_syswide_cleanup_other_cpu(pfm_context_t *ctx) int ret; DPRINT(("calling CPU%d for cleanup\n", ctx->ctx_cpu)); - ret = smp_call_function_single(ctx->ctx_cpu, pfm_syswide_force_stop, ctx, 0, 1); + ret = smp_call_function_single(ctx->ctx_cpu, pfm_syswide_force_stop, ctx, 1); DPRINT(("called CPU%d for cleanup ret=%d\n", ctx->ctx_cpu, ret)); } #endif /* CONFIG_SMP */ diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index a3a34b4eb03..fabaf08d9a6 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -286,7 +286,7 @@ void cpu_idle_wait(void) { smp_mb(); /* kick all the CPUs so that they exit out of pm_idle */ - smp_call_function(do_nothing, NULL, 0, 1); + smp_call_function(do_nothing, NULL, 1); } EXPORT_SYMBOL_GPL(cpu_idle_wait); diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c index eaa1b6795a1..9d1d429c6c5 100644 --- a/arch/ia64/kernel/smpboot.c +++ b/arch/ia64/kernel/smpboot.c @@ -317,7 +317,7 @@ ia64_sync_itc (unsigned int master) go[MASTER] = 1; - if (smp_call_function_single(master, sync_master, NULL, 1, 0) < 0) { + if (smp_call_function_single(master, sync_master, NULL, 0) < 0) { printk(KERN_ERR "sync_itc: failed to get attention of CPU %u!\n", master); return; } diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c index e77995a6e3e..8eff8c1d40a 100644 --- a/arch/ia64/kernel/uncached.c +++ b/arch/ia64/kernel/uncached.c @@ -123,8 +123,7 @@ static int uncached_add_chunk(struct uncached_pool *uc_pool, int nid) status = ia64_pal_prefetch_visibility(PAL_VISIBILITY_PHYSICAL); if (status == PAL_VISIBILITY_OK_REMOTE_NEEDED) { atomic_set(&uc_pool->status, 0); - status = smp_call_function(uncached_ipi_visibility, uc_pool, - 0, 1); + status = smp_call_function(uncached_ipi_visibility, uc_pool, 1); if (status || atomic_read(&uc_pool->status)) goto failed; } else if (status != PAL_VISIBILITY_OK) @@ -146,7 +145,7 @@ static int uncached_add_chunk(struct uncached_pool *uc_pool, int nid) if (status != PAL_STATUS_SUCCESS) goto failed; atomic_set(&uc_pool->status, 0); - status = smp_call_function(uncached_ipi_mc_drain, uc_pool, 0, 1); + status = smp_call_function(uncached_ipi_mc_drain, uc_pool, 1); if (status || atomic_read(&uc_pool->status)) goto failed; diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c index 8cc0c4753d8..636588e7e06 100644 --- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c +++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c @@ -629,7 +629,7 @@ static int sn_hwperf_op_cpu(struct sn_hwperf_op_info *op_info) if (use_ipi) { /* use an interprocessor interrupt to call SAL */ smp_call_function_single(cpu, sn_hwperf_call_sal, - op_info, 1, 1); + op_info, 1); } else { /* migrate the task before calling SAL */ diff --git a/arch/m32r/kernel/smp.c b/arch/m32r/kernel/smp.c index 74eb7bcd5a4..7577f971ea4 100644 --- a/arch/m32r/kernel/smp.c +++ b/arch/m32r/kernel/smp.c @@ -212,7 +212,7 @@ void smp_flush_tlb_all(void) local_irq_save(flags); __flush_tlb_all(); local_irq_restore(flags); - smp_call_function(flush_tlb_all_ipi, NULL, 1, 1); + smp_call_function(flush_tlb_all_ipi, NULL, 1); preempt_enable(); } @@ -505,7 +505,7 @@ void smp_invalidate_interrupt(void) *==========================================================================*/ void smp_send_stop(void) { - smp_call_function(stop_this_cpu, NULL, 1, 0); + smp_call_function(stop_this_cpu, NULL, 0); } /*==========================================================================* diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index c75b26cb61d..7a9ae830be8 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -167,7 +167,7 @@ static void stop_this_cpu(void *dummy) void smp_send_stop(void) { - smp_call_function(stop_this_cpu, NULL, 1, 0); + smp_call_function(stop_this_cpu, NULL, 0); } void __init smp_cpus_done(unsigned int max_cpus) @@ -266,7 +266,7 @@ static void flush_tlb_mm_ipi(void *mm) static inline void smp_on_other_tlbs(void (*func) (void *info), void *info) { #ifndef CONFIG_MIPS_MT_SMTC - smp_call_function(func, info, 1, 1); + smp_call_function(func, info, 1); #endif } diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 27096751ddc..71df3390c07 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -43,12 +43,12 @@ * primary cache. */ static inline void r4k_on_each_cpu(void (*func) (void *info), void *info, - int retry, int wait) + int wait) { preempt_disable(); #if !defined(CONFIG_MIPS_MT_SMP) && !defined(CONFIG_MIPS_MT_SMTC) - smp_call_function(func, info, retry, wait); + smp_call_function(func, info, wait); #endif func(info); preempt_enable(); @@ -350,7 +350,7 @@ static inline void local_r4k___flush_cache_all(void * args) static void r4k___flush_cache_all(void) { - r4k_on_each_cpu(local_r4k___flush_cache_all, NULL, 1, 1); + r4k_on_each_cpu(local_r4k___flush_cache_all, NULL, 1); } static inline int has_valid_asid(const struct mm_struct *mm) @@ -397,7 +397,7 @@ static void r4k_flush_cache_range(struct vm_area_struct *vma, int exec = vma->vm_flags & VM_EXEC; if (cpu_has_dc_aliases || (exec && !cpu_has_ic_fills_f_dc)) - r4k_on_each_cpu(local_r4k_flush_cache_range, vma, 1, 1); + r4k_on_each_cpu(local_r4k_flush_cache_range, vma, 1); } static inline void local_r4k_flush_cache_mm(void * args) @@ -429,7 +429,7 @@ static void r4k_flush_cache_mm(struct mm_struct *mm) if (!cpu_has_dc_aliases) return; - r4k_on_each_cpu(local_r4k_flush_cache_mm, mm, 1, 1); + r4k_on_each_cpu(local_r4k_flush_cache_mm, mm, 1); } struct flush_cache_page_args { @@ -521,7 +521,7 @@ static void r4k_flush_cache_page(struct vm_area_struct *vma, args.addr = addr; args.pfn = pfn; - r4k_on_each_cpu(local_r4k_flush_cache_page, &args, 1, 1); + r4k_on_each_cpu(local_r4k_flush_cache_page, &args, 1); } static inline void local_r4k_flush_data_cache_page(void * addr) @@ -535,7 +535,7 @@ static void r4k_flush_data_cache_page(unsigned long addr) local_r4k_flush_data_cache_page((void *)addr); else r4k_on_each_cpu(local_r4k_flush_data_cache_page, (void *) addr, - 1, 1); + 1); } struct flush_icache_range_args { @@ -571,7 +571,7 @@ static void r4k_flush_icache_range(unsigned long start, unsigned long end) args.start = start; args.end = end; - r4k_on_each_cpu(local_r4k_flush_icache_range, &args, 1, 1); + r4k_on_each_cpu(local_r4k_flush_icache_range, &args, 1); instruction_hazard(); } @@ -672,7 +672,7 @@ static void local_r4k_flush_cache_sigtramp(void * arg) static void r4k_flush_cache_sigtramp(unsigned long addr) { - r4k_on_each_cpu(local_r4k_flush_cache_sigtramp, (void *) addr, 1, 1); + r4k_on_each_cpu(local_r4k_flush_cache_sigtramp, (void *) addr, 1); } static void r4k_flush_icache_all(void) diff --git a/arch/mips/pmc-sierra/yosemite/prom.c b/arch/mips/pmc-sierra/yosemite/prom.c index 35dc435846a..cf4c868715a 100644 --- a/arch/mips/pmc-sierra/yosemite/prom.c +++ b/arch/mips/pmc-sierra/yosemite/prom.c @@ -64,7 +64,7 @@ static void prom_exit(void) #ifdef CONFIG_SMP if (smp_processor_id()) /* CPU 1 */ - smp_call_function(prom_cpu0_exit, NULL, 1, 1); + smp_call_function(prom_cpu0_exit, NULL, 1); #endif prom_cpu0_exit(NULL); } diff --git a/arch/mips/sibyte/cfe/setup.c b/arch/mips/sibyte/cfe/setup.c index 33fce826f8b..fd9604d5555 100644 --- a/arch/mips/sibyte/cfe/setup.c +++ b/arch/mips/sibyte/cfe/setup.c @@ -74,7 +74,7 @@ static void __noreturn cfe_linux_exit(void *arg) if (!reboot_smp) { /* Get CPU 0 to do the cfe_exit */ reboot_smp = 1; - smp_call_function(cfe_linux_exit, arg, 1, 0); + smp_call_function(cfe_linux_exit, arg, 0); } } else { printk("Passing control back to CFE...\n"); diff --git a/arch/mips/sibyte/sb1250/prom.c b/arch/mips/sibyte/sb1250/prom.c index cf8f6b3de86..65b1af66b67 100644 --- a/arch/mips/sibyte/sb1250/prom.c +++ b/arch/mips/sibyte/sb1250/prom.c @@ -66,7 +66,7 @@ static void prom_linux_exit(void) { #ifdef CONFIG_SMP if (smp_processor_id()) { - smp_call_function(prom_cpu0_exit, NULL, 1, 1); + smp_call_function(prom_cpu0_exit, NULL, 1); } #endif while(1); diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 37a5ab410dc..5191b46a611 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -168,7 +168,7 @@ static void stop_this_cpu(void *dummy) void smp_send_stop(void) { - smp_call_function(stop_this_cpu, NULL, 0, 0); + smp_call_function(stop_this_cpu, NULL, 0); } extern struct gettimeofday_struct do_gtod; diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c index ad40729bec3..837a3b3e775 100644 --- a/arch/s390/appldata/appldata_base.c +++ b/arch/s390/appldata/appldata_base.c @@ -209,7 +209,7 @@ __appldata_vtimer_setup(int cmd) per_cpu(appldata_timer, i).expires = per_cpu_interval; smp_call_function_single(i, add_virt_timer_periodic, &per_cpu(appldata_timer, i), - 0, 1); + 1); } appldata_timer_active = 1; P_INFO("Monitoring timer started.\n"); @@ -236,7 +236,7 @@ __appldata_vtimer_setup(int cmd) args.timer = &per_cpu(appldata_timer, i); args.expires = per_cpu_interval; smp_call_function_single(i, __appldata_mod_vtimer_wrap, - &args, 0, 1); + &args, 1); } } } diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 5d4fa4b1c74..276b105fb2a 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -109,7 +109,7 @@ static void do_call_function(void) } static void __smp_call_function_map(void (*func) (void *info), void *info, - int nonatomic, int wait, cpumask_t map) + int wait, cpumask_t map) { struct call_data_struct data; int cpu, local = 0; @@ -162,7 +162,6 @@ out: * smp_call_function: * @func: the function to run; this must be fast and non-blocking * @info: an arbitrary pointer to pass to the function - * @nonatomic: unused * @wait: if true, wait (atomically) until function has completed on other CPUs * * Run a function on all other CPUs. @@ -170,15 +169,14 @@ out: * You must not call this function with disabled interrupts, from a * hardware interrupt handler or from a bottom half. */ -int smp_call_function(void (*func) (void *info), void *info, int nonatomic, - int wait) +int smp_call_function(void (*func) (void *info), void *info, int wait) { cpumask_t map; spin_lock(&call_lock); map = cpu_online_map; cpu_clear(smp_processor_id(), map); - __smp_call_function_map(func, info, nonatomic, wait, map); + __smp_call_function_map(func, info, wait, map); spin_unlock(&call_lock); return 0; } @@ -189,7 +187,6 @@ EXPORT_SYMBOL(smp_call_function); * @cpu: the CPU where func should run * @func: the function to run; this must be fast and non-blocking * @info: an arbitrary pointer to pass to the function - * @nonatomic: unused * @wait: if true, wait (atomically) until function has completed on other CPUs * * Run a function on one processor. @@ -198,11 +195,10 @@ EXPORT_SYMBOL(smp_call_function); * hardware interrupt handler or from a bottom half. */ int smp_call_function_single(int cpu, void (*func) (void *info), void *info, - int nonatomic, int wait) + int wait) { spin_lock(&call_lock); - __smp_call_function_map(func, info, nonatomic, wait, - cpumask_of_cpu(cpu)); + __smp_call_function_map(func, info, wait, cpumask_of_cpu(cpu)); spin_unlock(&call_lock); return 0; } @@ -228,7 +224,7 @@ int smp_call_function_mask(cpumask_t mask, void (*func)(void *), void *info, { spin_lock(&call_lock); cpu_clear(smp_processor_id(), mask); - __smp_call_function_map(func, info, 0, wait, mask); + __smp_call_function_map(func, info, wait, mask); spin_unlock(&call_lock); return 0; } diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index 7aec676fefd..bf7bf2c2236 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -690,7 +690,7 @@ static int etr_sync_clock(struct etr_aib *aib, int port) */ memset(&etr_sync, 0, sizeof(etr_sync)); preempt_disable(); - smp_call_function(etr_sync_cpu_start, NULL, 0, 0); + smp_call_function(etr_sync_cpu_start, NULL, 0); local_irq_disable(); etr_enable_sync_clock(); @@ -729,7 +729,7 @@ static int etr_sync_clock(struct etr_aib *aib, int port) rc = -EAGAIN; } local_irq_enable(); - smp_call_function(etr_sync_cpu_end,NULL,0,0); + smp_call_function(etr_sync_cpu_end,NULL,0); preempt_enable(); return rc; } diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c index 2ed8dceb297..71781ba2675 100644 --- a/arch/sh/kernel/smp.c +++ b/arch/sh/kernel/smp.c @@ -168,7 +168,7 @@ static void stop_this_cpu(void *unused) void smp_send_stop(void) { - smp_call_function(stop_this_cpu, 0, 1, 0); + smp_call_function(stop_this_cpu, 0, 0); } void arch_send_call_function_ipi(cpumask_t mask) @@ -223,7 +223,7 @@ void flush_tlb_mm(struct mm_struct *mm) preempt_disable(); if ((atomic_read(&mm->mm_users) != 1) || (current->mm != mm)) { - smp_call_function(flush_tlb_mm_ipi, (void *)mm, 1, 1); + smp_call_function(flush_tlb_mm_ipi, (void *)mm, 1); } else { int i; for (i = 0; i < num_online_cpus(); i++) @@ -260,7 +260,7 @@ void flush_tlb_range(struct vm_area_struct *vma, fd.vma = vma; fd.addr1 = start; fd.addr2 = end; - smp_call_function(flush_tlb_range_ipi, (void *)&fd, 1, 1); + smp_call_function(flush_tlb_range_ipi, (void *)&fd, 1); } else { int i; for (i = 0; i < num_online_cpus(); i++) @@ -303,7 +303,7 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long page) fd.vma = vma; fd.addr1 = page; - smp_call_function(flush_tlb_page_ipi, (void *)&fd, 1, 1); + smp_call_function(flush_tlb_page_ipi, (void *)&fd, 1); } else { int i; for (i = 0; i < num_online_cpus(); i++) @@ -327,6 +327,6 @@ void flush_tlb_one(unsigned long asid, unsigned long vaddr) fd.addr1 = asid; fd.addr2 = vaddr; - smp_call_function(flush_tlb_one_ipi, (void *)&fd, 1, 1); + smp_call_function(flush_tlb_one_ipi, (void *)&fd, 1); local_flush_tlb_one(asid, vaddr); } diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index b82d017a174..c099d96f123 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -807,7 +807,6 @@ extern unsigned long xcall_call_function; * smp_call_function(): Run a function on all other CPUs. * @func: The function to run. This must be fast and non-blocking. * @info: An arbitrary pointer to pass to the function. - * @nonatomic: currently unused. * @wait: If true, wait (atomically) until function has completed on other CPUs. * * Returns 0 on success, else a negative status code. Does not return until @@ -817,8 +816,7 @@ extern unsigned long xcall_call_function; * hardware interrupt handler or from a bottom half handler. */ static int sparc64_smp_call_function_mask(void (*func)(void *info), void *info, - int nonatomic, int wait, - cpumask_t mask) + int wait, cpumask_t mask) { struct call_data_struct data; int cpus; @@ -853,11 +851,9 @@ out_unlock: return 0; } -int smp_call_function(void (*func)(void *info), void *info, - int nonatomic, int wait) +int smp_call_function(void (*func)(void *info), void *info, int wait) { - return sparc64_smp_call_function_mask(func, info, nonatomic, wait, - cpu_online_map); + return sparc64_smp_call_function_mask(func, info, wait, cpu_online_map); } void smp_call_function_client(int irq, struct pt_regs *regs) @@ -894,7 +890,7 @@ static void tsb_sync(void *info) void smp_tsb_sync(struct mm_struct *mm) { - sparc64_smp_call_function_mask(tsb_sync, mm, 0, 1, mm->cpu_vm_mask); + sparc64_smp_call_function_mask(tsb_sync, mm, 1, mm->cpu_vm_mask); } extern unsigned long xcall_flush_tlb_mm; diff --git a/arch/um/kernel/smp.c b/arch/um/kernel/smp.c index e1062ec36d4..be2d50c3aa9 100644 --- a/arch/um/kernel/smp.c +++ b/arch/um/kernel/smp.c @@ -214,8 +214,7 @@ void smp_call_function_slave(int cpu) atomic_inc(&scf_finished); } -int smp_call_function(void (*_func)(void *info), void *_info, int nonatomic, - int wait) +int smp_call_function(void (*_func)(void *info), void *_info, int wait) { int cpus = num_online_cpus() - 1; int i; diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c index 6a1e278d932..290652cefdd 100644 --- a/arch/x86/kernel/cpu/mtrr/main.c +++ b/arch/x86/kernel/cpu/mtrr/main.c @@ -222,7 +222,7 @@ static void set_mtrr(unsigned int reg, unsigned long base, atomic_set(&data.gate,0); /* Start the ball rolling on other CPUs */ - if (smp_call_function(ipi_handler, &data, 1, 0) != 0) + if (smp_call_function(ipi_handler, &data, 0) != 0) panic("mtrr: timed out waiting for other CPUs\n"); local_irq_save(flags); @@ -822,7 +822,7 @@ void mtrr_ap_init(void) */ void mtrr_save_state(void) { - smp_call_function_single(0, mtrr_save_fixed_ranges, NULL, 1, 1); + smp_call_function_single(0, mtrr_save_fixed_ranges, NULL, 1); } static int __init mtrr_init_finialize(void) diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c index daff52a6224..336dd43c915 100644 --- a/arch/x86/kernel/cpuid.c +++ b/arch/x86/kernel/cpuid.c @@ -95,7 +95,7 @@ static ssize_t cpuid_read(struct file *file, char __user *buf, for (; count; count -= 16) { cmd.eax = pos; cmd.ecx = pos >> 32; - smp_call_function_single(cpu, cpuid_smp_cpuid, &cmd, 1, 1); + smp_call_function_single(cpu, cpuid_smp_cpuid, &cmd, 1); if (copy_to_user(tmp, &cmd, 16)) return -EFAULT; tmp += 16; diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c index 0224c3637c7..cb0a6398c64 100644 --- a/arch/x86/kernel/ldt.c +++ b/arch/x86/kernel/ldt.c @@ -68,7 +68,7 @@ static int alloc_ldt(mm_context_t *pc, int mincount, int reload) load_LDT(pc); mask = cpumask_of_cpu(smp_processor_id()); if (!cpus_equal(current->mm->cpu_vm_mask, mask)) - smp_call_function(flush_ldt, NULL, 1, 1); + smp_call_function(flush_ldt, NULL, 1); preempt_enable(); #else load_LDT(pc); diff --git a/arch/x86/kernel/nmi_32.c b/arch/x86/kernel/nmi_32.c index 84160f74eeb..5562dab0bd2 100644 --- a/arch/x86/kernel/nmi_32.c +++ b/arch/x86/kernel/nmi_32.c @@ -87,7 +87,7 @@ int __init check_nmi_watchdog(void) #ifdef CONFIG_SMP if (nmi_watchdog == NMI_LOCAL_APIC) - smp_call_function(nmi_cpu_busy, (void *)&endflag, 0, 0); + smp_call_function(nmi_cpu_busy, (void *)&endflag, 0); #endif for_each_possible_cpu(cpu) diff --git a/arch/x86/kernel/nmi_64.c b/arch/x86/kernel/nmi_64.c index 5a29ded994f..2f1e4f503c9 100644 --- a/arch/x86/kernel/nmi_64.c +++ b/arch/x86/kernel/nmi_64.c @@ -96,7 +96,7 @@ int __init check_nmi_watchdog(void) #ifdef CONFIG_SMP if (nmi_watchdog == NMI_LOCAL_APIC) - smp_call_function(nmi_cpu_busy, (void *)&endflag, 0, 0); + smp_call_function(nmi_cpu_busy, (void *)&endflag, 0); #endif for (cpu = 0; cpu < NR_CPUS; cpu++) diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c index 575aa3d7248..56546e8a13a 100644 --- a/arch/x86/kernel/smp.c +++ b/arch/x86/kernel/smp.c @@ -164,7 +164,7 @@ static void native_smp_send_stop(void) if (reboot_force) return; - smp_call_function(stop_this_cpu, NULL, 0, 0); + smp_call_function(stop_this_cpu, NULL, 0); local_irq_save(flags); disable_local_APIC(); local_irq_restore(flags); diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c index 61efa2f7d56..0a03d57f9b3 100644 --- a/arch/x86/kernel/vsyscall_64.c +++ b/arch/x86/kernel/vsyscall_64.c @@ -278,7 +278,7 @@ cpu_vsyscall_notifier(struct notifier_block *n, unsigned long action, void *arg) { long cpu = (long)arg; if (action == CPU_ONLINE || action == CPU_ONLINE_FROZEN) - smp_call_function_single(cpu, cpu_vsyscall_init, NULL, 0, 1); + smp_call_function_single(cpu, cpu_vsyscall_init, NULL, 1); return NOTIFY_DONE; } diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 540e9517907..5534fe59b5f 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -335,7 +335,7 @@ static void vcpu_clear(struct vcpu_vmx *vmx) { if (vmx->vcpu.cpu == -1) return; - smp_call_function_single(vmx->vcpu.cpu, __vcpu_clear, vmx, 0, 1); + smp_call_function_single(vmx->vcpu.cpu, __vcpu_clear, vmx, 1); vmx->launched = 0; } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 63a77caa59f..0faa2546b1c 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4044,6 +4044,6 @@ void kvm_vcpu_kick(struct kvm_vcpu *vcpu) * So need not to call smp_call_function_single() in that case. */ if (vcpu->guest_mode && vcpu->cpu != cpu) - smp_call_function_single(ipi_pcpu, vcpu_kick_intr, vcpu, 0, 0); + smp_call_function_single(ipi_pcpu, vcpu_kick_intr, vcpu, 0); put_cpu(); } diff --git a/arch/x86/lib/msr-on-cpu.c b/arch/x86/lib/msr-on-cpu.c index 57d043fa893..d5a2b39f882 100644 --- a/arch/x86/lib/msr-on-cpu.c +++ b/arch/x86/lib/msr-on-cpu.c @@ -30,10 +30,10 @@ static int _rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h, int safe) rv.msr_no = msr_no; if (safe) { - smp_call_function_single(cpu, __rdmsr_safe_on_cpu, &rv, 0, 1); + smp_call_function_single(cpu, __rdmsr_safe_on_cpu, &rv, 1); err = rv.err; } else { - smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 0, 1); + smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 1); } *l = rv.l; *h = rv.h; @@ -64,10 +64,10 @@ static int _wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h, int safe) rv.l = l; rv.h = h; if (safe) { - smp_call_function_single(cpu, __wrmsr_safe_on_cpu, &rv, 0, 1); + smp_call_function_single(cpu, __wrmsr_safe_on_cpu, &rv, 1); err = rv.err; } else { - smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 0, 1); + smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 1); } return err; diff --git a/arch/x86/mach-voyager/voyager_smp.c b/arch/x86/mach-voyager/voyager_smp.c index cb34407a993..04f596eab74 100644 --- a/arch/x86/mach-voyager/voyager_smp.c +++ b/arch/x86/mach-voyager/voyager_smp.c @@ -1113,7 +1113,7 @@ int safe_smp_processor_id(void) /* broadcast a halt to all other CPUs */ static void voyager_smp_send_stop(void) { - smp_call_function(smp_stop_cpu_function, NULL, 1, 1); + smp_call_function(smp_stop_cpu_function, NULL, 1); } /* this function is triggered in time.c when a clock tick fires diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index b3786e749b8..a1651d029ea 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -331,7 +331,7 @@ static void stop_self(void *v) void xen_smp_send_stop(void) { - smp_call_function(stop_self, NULL, 0, 0); + smp_call_function(stop_self, NULL, 0); } void xen_smp_send_reschedule(int cpu) diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 556ee158519..4976e5db2b3 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -1339,7 +1339,7 @@ static void smp_callback(void *v) static int acpi_processor_latency_notify(struct notifier_block *b, unsigned long l, void *v) { - smp_call_function(smp_callback, NULL, 0, 1); + smp_call_function(smp_callback, NULL, 1); return NOTIFY_OK; } diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index 23554b676d6..5405769020a 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -340,7 +340,7 @@ static void smp_callback(void *v) static int cpuidle_latency_notify(struct notifier_block *b, unsigned long l, void *v) { - smp_call_function(smp_callback, NULL, 0, 1); + smp_call_function(smp_callback, NULL, 1); return NOTIFY_OK; } diff --git a/include/asm-alpha/smp.h b/include/asm-alpha/smp.h index 2f60a362d75..544c69af816 100644 --- a/include/asm-alpha/smp.h +++ b/include/asm-alpha/smp.h @@ -53,7 +53,7 @@ extern void arch_send_call_function_ipi(cpumask_t mask); #else /* CONFIG_SMP */ #define hard_smp_processor_id() 0 -#define smp_call_function_on_cpu(func,info,retry,wait,cpu) ({ 0; }) +#define smp_call_function_on_cpu(func,info,wait,cpu) ({ 0; }) #endif /* CONFIG_SMP */ diff --git a/include/asm-sparc/smp.h b/include/asm-sparc/smp.h index e6d56159972..b61e74bea06 100644 --- a/include/asm-sparc/smp.h +++ b/include/asm-sparc/smp.h @@ -72,7 +72,7 @@ static inline void xc5(smpfunc_t func, unsigned long arg1, unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5) { smp_cross_call(func, arg1, arg2, arg3, arg4, arg5); } -static inline int smp_call_function(void (*func)(void *info), void *info, int nonatomic, int wait) +static inline int smp_call_function(void (*func)(void *info), void *info, int wait) { xc1((smpfunc_t)func, (unsigned long)info); return 0; diff --git a/include/linux/smp.h b/include/linux/smp.h index eac3e062250..338cad1b954 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -62,11 +62,11 @@ extern void smp_cpus_done(unsigned int max_cpus); /* * Call a function on all other processors */ -int smp_call_function(void(*func)(void *info), void *info, int retry, int wait); +int smp_call_function(void(*func)(void *info), void *info, int wait); int smp_call_function_mask(cpumask_t mask, void(*func)(void *info), void *info, int wait); int smp_call_function_single(int cpuid, void (*func) (void *info), void *info, - int retry, int wait); + int wait); void __smp_call_function_single(int cpuid, struct call_single_data *data); /* @@ -119,7 +119,7 @@ static inline int up_smp_call_function(void (*func)(void *), void *info) { return 0; } -#define smp_call_function(func, info, retry, wait) \ +#define smp_call_function(func, info, wait) \ (up_smp_call_function(func, info)) #define on_each_cpu(func,info,retry,wait) \ ({ \ @@ -131,7 +131,7 @@ static inline int up_smp_call_function(void (*func)(void *), void *info) static inline void smp_send_reschedule(int cpu) { } #define num_booting_cpus() 1 #define smp_prepare_boot_cpu() do {} while (0) -#define smp_call_function_single(cpuid, func, info, retry, wait) \ +#define smp_call_function_single(cpuid, func, info, wait) \ ({ \ WARN_ON(cpuid != 0); \ local_irq_disable(); \ diff --git a/kernel/smp.c b/kernel/smp.c index f77b75c027a..7e0432a4a0e 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -195,7 +195,6 @@ void generic_smp_call_function_single_interrupt(void) * smp_call_function_single - Run a function on a specific CPU * @func: The function to run. This must be fast and non-blocking. * @info: An arbitrary pointer to pass to the function. - * @retry: Unused * @wait: If true, wait until function has completed on other CPUs. * * Returns 0 on success, else a negative status code. Note that @wait @@ -203,7 +202,7 @@ void generic_smp_call_function_single_interrupt(void) * we fall back to on-stack allocation. */ int smp_call_function_single(int cpu, void (*func) (void *info), void *info, - int retry, int wait) + int wait) { struct call_single_data d; unsigned long flags; @@ -339,7 +338,6 @@ EXPORT_SYMBOL(smp_call_function_mask); * smp_call_function(): Run a function on all other CPUs. * @func: The function to run. This must be fast and non-blocking. * @info: An arbitrary pointer to pass to the function. - * @natomic: Unused * @wait: If true, wait (atomically) until function has completed on other CPUs. * * Returns 0 on success, else a negative status code. @@ -351,7 +349,7 @@ EXPORT_SYMBOL(smp_call_function_mask); * You must not call this function with disabled interrupts or from a * hardware interrupt handler or from a bottom half handler. */ -int smp_call_function(void (*func)(void *), void *info, int natomic, int wait) +int smp_call_function(void (*func)(void *), void *info, int wait) { int ret; diff --git a/kernel/softirq.c b/kernel/softirq.c index 36e06174004..d73afb4764e 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -679,7 +679,7 @@ int on_each_cpu(void (*func) (void *info), void *info, int retry, int wait) int ret = 0; preempt_disable(); - ret = smp_call_function(func, info, retry, wait); + ret = smp_call_function(func, info, wait); local_irq_disable(); func(info); local_irq_enable(); diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index 57a1f02e5ec..75e718539dc 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c @@ -266,7 +266,7 @@ void tick_broadcast_on_off(unsigned long reason, int *oncpu) "offline CPU #%d\n", *oncpu); else smp_call_function_single(*oncpu, tick_do_broadcast_on_off, - &reason, 1, 1); + &reason, 1); } /* diff --git a/net/core/flow.c b/net/core/flow.c index 19991175fde..5cf81052d04 100644 --- a/net/core/flow.c +++ b/net/core/flow.c @@ -298,7 +298,7 @@ void flow_cache_flush(void) init_completion(&info.completion); local_bh_disable(); - smp_call_function(flow_cache_flush_per_cpu, &info, 1, 0); + smp_call_function(flow_cache_flush_per_cpu, &info, 0); flow_cache_flush_tasklet((unsigned long)&info); local_bh_enable(); diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c index 91897076213..94d5a45c3a5 100644 --- a/net/iucv/iucv.c +++ b/net/iucv/iucv.c @@ -480,7 +480,7 @@ static void iucv_setmask_mp(void) if (cpu_isset(cpu, iucv_buffer_cpumask) && !cpu_isset(cpu, iucv_irq_cpumask)) smp_call_function_single(cpu, iucv_allow_cpu, - NULL, 0, 1); + NULL, 1); preempt_enable(); } @@ -498,7 +498,7 @@ static void iucv_setmask_up(void) cpumask = iucv_irq_cpumask; cpu_clear(first_cpu(iucv_irq_cpumask), cpumask); for_each_cpu_mask(cpu, cpumask) - smp_call_function_single(cpu, iucv_block_cpu, NULL, 0, 1); + smp_call_function_single(cpu, iucv_block_cpu, NULL, 1); } /** @@ -523,7 +523,7 @@ static int iucv_enable(void) rc = -EIO; preempt_disable(); for_each_online_cpu(cpu) - smp_call_function_single(cpu, iucv_declare_cpu, NULL, 0, 1); + smp_call_function_single(cpu, iucv_declare_cpu, NULL, 1); preempt_enable(); if (cpus_empty(iucv_buffer_cpumask)) /* No cpu could declare an iucv buffer. */ @@ -580,7 +580,7 @@ static int __cpuinit iucv_cpu_notify(struct notifier_block *self, case CPU_ONLINE_FROZEN: case CPU_DOWN_FAILED: case CPU_DOWN_FAILED_FROZEN: - smp_call_function_single(cpu, iucv_declare_cpu, NULL, 0, 1); + smp_call_function_single(cpu, iucv_declare_cpu, NULL, 1); break; case CPU_DOWN_PREPARE: case CPU_DOWN_PREPARE_FROZEN: @@ -589,10 +589,10 @@ static int __cpuinit iucv_cpu_notify(struct notifier_block *self, if (cpus_empty(cpumask)) /* Can't offline last IUCV enabled cpu. */ return NOTIFY_BAD; - smp_call_function_single(cpu, iucv_retrieve_cpu, NULL, 0, 1); + smp_call_function_single(cpu, iucv_retrieve_cpu, NULL, 1); if (cpus_empty(iucv_irq_cpumask)) smp_call_function_single(first_cpu(iucv_buffer_cpumask), - iucv_allow_cpu, NULL, 0, 1); + iucv_allow_cpu, NULL, 1); break; } return NOTIFY_OK; @@ -652,7 +652,7 @@ static void iucv_cleanup_queue(void) * pending interrupts force them to the work queue by calling * an empty function on all cpus. */ - smp_call_function(__iucv_cleanup_queue, NULL, 0, 1); + smp_call_function(__iucv_cleanup_queue, NULL, 1); spin_lock_irq(&iucv_queue_lock); list_for_each_entry_safe(p, n, &iucv_task_queue, list) { /* Remove stale work items from the task queue. */ diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 2d29e260da3..ea1f595f8a8 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1266,12 +1266,12 @@ static int kvm_cpu_hotplug(struct notifier_block *notifier, unsigned long val, case CPU_UP_CANCELED: printk(KERN_INFO "kvm: disabling virtualization on CPU%d\n", cpu); - smp_call_function_single(cpu, hardware_disable, NULL, 0, 1); + smp_call_function_single(cpu, hardware_disable, NULL, 1); break; case CPU_ONLINE: printk(KERN_INFO "kvm: enabling virtualization on CPU%d\n", cpu); - smp_call_function_single(cpu, hardware_enable, NULL, 0, 1); + smp_call_function_single(cpu, hardware_enable, NULL, 1); break; } return NOTIFY_OK; @@ -1474,7 +1474,7 @@ int kvm_init(void *opaque, unsigned int vcpu_size, for_each_online_cpu(cpu) { smp_call_function_single(cpu, kvm_arch_check_processor_compat, - &r, 0, 1); + &r, 1); if (r < 0) goto out_free_1; } |