https://github.com/torvalds/linux
Raw File
Tip revision: cfcfc9eca2bcbd26a8e206baeb005b055dbf8e37 authored by Linus Torvalds on 15 November 2011, 17:02:59 UTC
Linux 3.2-rc2
Tip revision: cfcfc9e
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);
back to top