summaryrefslogtreecommitdiffstats
path: root/kernel/up.c
blob: ce62cc9e9f71422abb616de28f2f1c081c571881 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
/*
 * 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(cpuid != 0);
	local_irq_disable();
	(func)(info);
	local_irq_enable();
	return 0;
}
EXPORT_SYMBOL(smp_call_function_single);
OpenPOWER on IntegriCloud