aboutsummaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
authorAvi Kivity <avi@qumranet.com>2007-07-19 11:33:48 -0400
committerPaul Mackerras <paulus@samba.org>2007-07-22 07:30:58 -0400
commitadff093d6c545c882f1503607f6af14ddd90bb89 (patch)
tree8d821e6de3ef05cdcbb784a1493a91b5bc8e5dd6 /arch
parent08ae6cc15db201fa20cc4893d9500c1f6b20e560 (diff)
[POWERPC] Allow smp_call_function_single() to current cpu
This removes the requirement for callers to get_cpu() to check in simple cases. i386 and x86_64 already received a similar treatment. Signed-off-by: Avi Kivity <avi@qumranet.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/kernel/smp.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index d577b71db375..087c92f2a3eb 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -284,7 +284,7 @@ int smp_call_function_single(int cpu, void (*func) (void *info), void *info, int
284 int wait) 284 int wait)
285{ 285{
286 cpumask_t map = CPU_MASK_NONE; 286 cpumask_t map = CPU_MASK_NONE;
287 int ret = -EBUSY; 287 int ret = 0;
288 288
289 if (!cpu_online(cpu)) 289 if (!cpu_online(cpu))
290 return -EINVAL; 290 return -EINVAL;
@@ -292,6 +292,11 @@ int smp_call_function_single(int cpu, void (*func) (void *info), void *info, int
292 cpu_set(cpu, map); 292 cpu_set(cpu, map);
293 if (cpu != get_cpu()) 293 if (cpu != get_cpu())
294 ret = smp_call_function_map(func,info,nonatomic,wait,map); 294 ret = smp_call_function_map(func,info,nonatomic,wait,map);
295 else {
296 local_irq_disable();
297 func(info);
298 local_irq_enable();
299 }
295 put_cpu(); 300 put_cpu();
296 return ret; 301 return ret;
297} 302}