https://github.com/torvalds/linux
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Tip revision: 0ce790e7d736cedc563e1fb4e998babf5a4dbc3d authored by Linus Torvalds on 29 March 2011, 19:09:47 UTC
Linux 2.6.39-rc1
Tip revision: 0ce790e
up.c
/*
 * Uniprocessor-only support functions.  The counterpart to kernel/smp.c
 */

#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.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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