smp_call_function_single(): be slightly less stupid, fix
[linux-2.6.git] / kernel / up.c
1 /*
2  * Uniprocessor-only support functions.  The counterpart to kernel/smp.c
3  */
4
5 #include <linux/kernel.h>
6 #include <linux/module.h>
7 #include <linux/smp.h>
8
9 int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
10                                 int wait)
11 {
12         WARN_ON(cpu != 0);
13
14         local_irq_disable();
15         (func)(info);
16         local_irq_enable();
17
18         return 0;
19 }
20 EXPORT_SYMBOL(smp_call_function_single);