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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-22 11:17:35 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-22 11:17:35 -0700
commitdc79747019b43c28d1f50aad69b8039f8d8db301 (patch)
tree4e85f1e41a6df5e5ab0866901d29d2d08efdf426 /arch/powerpc/kernel/smp.c
parent0f760f13012322c81714812d852429fe23b16dcf (diff)
parent7bd02a20d5fcb69e1623c3bf2b68959fe7a77fa4 (diff)
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] Clean up duplicate includes in drivers/macintosh/ [POWERPC] Quiet section mismatch warning on pcibios_setup [POWERPC] init and exit markings for hvc_iseries [POWERPC] Quiet section mismatch in hvc_rtas.c [POWERPC] Constify of_platform_driver match_table [POWERPC] hvcs: Make some things static and const [POWERPC] Constify of_platform_driver name [POWERPC] MPIC protected sources [POWERPC] of_detach_node()'s device node argument cannot be const [POWERPC] Fix ARCH=ppc builds [POWERPC] mv64x60: Use mutex instead of semaphore [POWERPC] Allow smp_call_function_single() to current cpu [POWERPC] Allow exec faults on readable areas on classic 32-bit PowerPC [POWERPC] Fix future firmware feature fixups function failure [POWERPC] fix showing xmon help [POWERPC] Make xmon_write accept a const buffer [POWERPC] Fix misspelled "CONFIG_CHECK_CACHE_COHERENCY" Kconfig option. [POWERPC] cell: CONFIG_SPE_BASE is a typo
Diffstat (limited to 'arch/powerpc/kernel/smp.c')
-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 d577b71db37..087c92f2a3e 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
int wait)
{
cpumask_t map = CPU_MASK_NONE;
- int ret = -EBUSY;
+ int ret = 0;
if (!cpu_online(cpu))
return -EINVAL;
@@ -292,6 +292,11 @@ int smp_call_function_single(int cpu, void (*func) (void *info), void *info, int
cpu_set(cpu, map);
if (cpu != get_cpu())
ret = smp_call_function_map(func,info,nonatomic,wait,map);
+ else {
+ local_irq_disable();
+ func(info);
+ local_irq_enable();
+ }
put_cpu();
return ret;
}