xref: /linux/kernel/up.c (revision 4413e16d9d21673bb5048a2e542f1aaa00015c2e)
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 
10 int 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 }
21 EXPORT_SYMBOL(smp_call_function_single);
22