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Commit 40c01e8b authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Linus Torvalds
Browse files

kernel: provide a __smp_call_function_single stub for !CONFIG_SMP 



Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Cc: Jan Kara <jack@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 0a06ff06

kernel/up.c

+11 −0
Original line number Diff line number Diff line
@@ -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;