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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>
hifive-unleashed-5.1
Christoph Hellwig 2013-11-14 14:32:08 -08:00 committed by Linus Torvalds
parent 0a06ff068f
commit 40c01e8bd5
1 changed files with 11 additions and 0 deletions
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11
kernel/up.c
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@ -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;