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smp_call_function: get rid of the unused nonatomic/retry argument

Browse Source 
It's never used and the comments refer to nonatomic and retry
interchangably. So get rid of it.

Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe 2008-06-06 11:18:06 +02:00
parent 490f5de52a
commit 8691e5a8f6
49 changed files with 95 additions and 108 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/alpha/kernel/core_marvel.c
View File

@ -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

6
arch/alpha/kernel/smp.c
View File

@ -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");
}

6
arch/alpha/oprofile/common.c
View File

@ -65,7 +65,7 @@ op_axp_setup(void)
model->reg_setup(&reg, ctr, &sys);
/* Configure the registers on all cpus. */
(void)smp_call_function(model->cpu_setup, &reg, 0, 1);
(void)smp_call_function(model->cpu_setup, &reg, 1);
model->cpu_setup(&reg);
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);
}

2
arch/arm/oprofile/op_model_mpcore.c
View File

@ -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();

2
arch/arm/vfp/vfpmodule.c
View File

@ -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",

5
arch/cris/arch-v32/kernel/smp.c
View File

@ -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;

2
arch/ia64/kernel/mca.c
View File

@ -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;

2
arch/ia64/kernel/palinfo.c
View File

@ -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;

2
arch/ia64/kernel/perfmon.c
View File

@ -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 */

2
arch/ia64/kernel/process.c
View File

@ -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);

2
arch/ia64/kernel/smpboot.c
View File

@ -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;
}

5
arch/ia64/kernel/uncached.c
View File

@ -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;

2
arch/ia64/sn/kernel/sn2/sn_hwperf.c
View File

@ -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 */

4
arch/m32r/kernel/smp.c
View File

@ -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);
}
/*==========================================================================*

4
arch/mips/kernel/smp.c
View File

@ -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
}

18
arch/mips/mm/c-r4k.c
View File

@ -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)

2
arch/mips/pmc-sierra/yosemite/prom.c
View File

@ -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);
}

2
arch/mips/sibyte/cfe/setup.c
View File

@ -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");

2
arch/mips/sibyte/sb1250/prom.c
View File

@ -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);

2
arch/powerpc/kernel/smp.c
View File

@ -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;

4
arch/s390/appldata/appldata_base.c
View File

@ -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);
}
}
}

16
arch/s390/kernel/smp.c
View File

@ -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;
}

4
arch/s390/kernel/time.c
View File

@ -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;
}

10
arch/sh/kernel/smp.c
View File

@ -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);
}

12
arch/sparc64/kernel/smp.c
View File

@ -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;

3
arch/um/kernel/smp.c
View File

@ -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;

4
arch/x86/kernel/cpu/mtrr/main.c
View File

@ -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)

2
arch/x86/kernel/cpuid.c
View File

@ -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;

2
arch/x86/kernel/ldt.c
View File

@ -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);

2
arch/x86/kernel/nmi_32.c
View File

@ -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)

2
arch/x86/kernel/nmi_64.c
View File

@ -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++)

2
arch/x86/kernel/smp.c
View File

@ -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);

2
arch/x86/kernel/vsyscall_64.c
View File

@ -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;
}

2
arch/x86/kvm/vmx.c
View File

@ -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;
}

2
arch/x86/kvm/x86.c
View File

@ -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();
}

8
arch/x86/lib/msr-on-cpu.c
View File

@ -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;

2
arch/x86/mach-voyager/voyager_smp.c
View File

@ -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

2
arch/x86/xen/smp.c
View File

@ -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)

2
drivers/acpi/processor_idle.c
View File

@ -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;
}

2
drivers/cpuidle/cpuidle.c
View File

@ -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;
}

2
include/asm-alpha/smp.h
View File

@ -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 */

2
include/asm-sparc/smp.h
View File

@ -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;

8
include/linux/smp.h
View File

@ -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(); \

6
kernel/smp.c
View File

@ -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;

2
kernel/softirq.c
View File

@ -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();

2
kernel/time/tick-broadcast.c
View File

@ -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);
}
/*

2
net/core/flow.c
View File

@ -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();

14
net/iucv/iucv.c
View File

@ -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. */

6
virt/kvm/kvm_main.c
View File

@ -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;
}