summaryrefslogtreecommitdiff
path: root/kernel/up.c
blob: c04b9dcfcebe674e78663179073544edea5130b2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
/*
 * Uniprocessor-only support functions.  The counterpart to kernel/smp.c
 */

#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);