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smp: Teach __smp_call_function_single() to check for offline cpus

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Align __smp_call_function_single() with smp_call_function_single() so
that it also checks whether requested cpu is still online.

Signed-off-by: Jan Kara <jack@suse.cz>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jens Axboe <axboe@fb.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Jan Kara
2014-02-24 16:39:57 +01:00
committed by Jens Axboe
parent 0ebeb79ce9
commit 08eed44c72
3 changed files with 11 additions and 8 deletions
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3
include/linux/smp.h
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@@ -50,8 +50,7 @@ void on_each_cpu_cond(bool (*cond_func)(int cpu, void *info),
smp_call_func_t func, void *info, bool wait,
gfp_t gfp_flags);
void __smp_call_function_single(int cpuid, struct call_single_data *data,
int wait);
int __smp_call_function_single(int cpu, struct call_single_data *csd, int wait);
#ifdef CONFIG_SMP