Root/kernel/up.c

1/*
2 * Uniprocessor-only support functions. The counterpart to kernel/smp.c
3 */
4
5#include <linux/interrupt.h>
6#include <linux/kernel.h>
7#include <linux/export.h>
8#include <linux/smp.h>
9
10int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
11                int wait)
12{
13    WARN_ON(cpu != 0);
14
15    local_irq_disable();
16    (func)(info);
17    local_irq_enable();
18
19    return 0;
20}
21EXPORT_SYMBOL(smp_call_function_single);
22

Archive Download this file



interactive