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| author | Christoph Hellwig <hch@infradead.org> | 2013-11-14 14:32:08 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-15 09:32:22 +0900 |
| commit | 40c01e8bd5575e32633192513e09eac7155d6926 (patch) | |
| tree | be91de11959816dd14b754963ea7b96de8714122 | |
| parent | 0a06ff068f1255bcd7965ab07bc0f4adc3eb639a (diff) | |
| download | lwn-40c01e8bd5575e32633192513e09eac7155d6926.tar.gz lwn-40c01e8bd5575e32633192513e09eac7155d6926.zip | |
kernel: provide a __smp_call_function_single stub for !CONFIG_SMP
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Jan Kara <jack@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | kernel/up.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/kernel/up.c b/kernel/up.c index 630d72bf7e41..509403e3fbc6 100644 --- a/kernel/up.c +++ b/kernel/up.c @@ -22,6 +22,17 @@ int smp_call_function_single(int cpu, void (*func) (void *info), void *info, } EXPORT_SYMBOL(smp_call_function_single); +void __smp_call_function_single(int cpu, struct call_single_data *csd, + int wait) +{ + unsigned long flags; + + local_irq_save(flags); + csd->func(csd->info); + local_irq_restore(flags); +} +EXPORT_SYMBOL(__smp_call_function_single); + int on_each_cpu(smp_call_func_t func, void *info, int wait) { unsigned long flags; |