diff options
author | Christoph Hellwig <hch@infradead.org> | 2013-11-14 17:32:08 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-14 19:32:22 -0500 |
commit | 40c01e8bd5575e32633192513e09eac7155d6926 (patch) | |
tree | be91de11959816dd14b754963ea7b96de8714122 | |
parent | 0a06ff068f1255bcd7965ab07bc0f4adc3eb639a (diff) |
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, | |||
22 | } | 22 | } |
23 | EXPORT_SYMBOL(smp_call_function_single); | 23 | EXPORT_SYMBOL(smp_call_function_single); |
24 | 24 | ||
25 | void __smp_call_function_single(int cpu, struct call_single_data *csd, | ||
26 | int wait) | ||
27 | { | ||
28 | unsigned long flags; | ||
29 | |||
30 | local_irq_save(flags); | ||
31 | csd->func(csd->info); | ||
32 | local_irq_restore(flags); | ||
33 | } | ||
34 | EXPORT_SYMBOL(__smp_call_function_single); | ||
35 | |||
25 | int on_each_cpu(smp_call_func_t func, void *info, int wait) | 36 | int on_each_cpu(smp_call_func_t func, void *info, int wait) |
26 | { | 37 | { |
27 | unsigned long flags; | 38 | unsigned long flags; |