https://github.com/torvalds/linux
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Tip revision: 0034102808e0dbbf3a2394b82b1bb40b5778de9e authored by Linus Torvalds on 08 April 2012, 01:30:41 UTC
Linux 3.4-rc2
Tip revision: 0034102
up.c
/*
 * Uniprocessor-only support functions.  The counterpart to kernel/smp.c
 */

#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/smp.h>

int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
				int wait)
{
	WARN_ON(cpu != 0);

	local_irq_disable();
	(func)(info);
	local_irq_enable();

	return 0;
}
EXPORT_SYMBOL(smp_call_function_single);
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