| Andrew Morton | 53ce3d9 | 2009-01-09 12:27:08 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Uniprocessor-only support functions. The counterpart to kernel/smp.c |
| 3 | */ |
| 4 | |
| Ingo Molnar | 6e96281 | 2009-01-12 16:04:37 +0100 | [diff] [blame] | 5 | #include <linux/interrupt.h> |
| Andrew Morton | 53ce3d9 | 2009-01-09 12:27:08 -0800 | [diff] [blame] | 6 | #include <linux/kernel.h> |
| Paul Gortmaker | 9984de1 | 2011-05-23 14:51:41 -0400 | [diff] [blame^] | 7 | #include <linux/export.h> |
| Andrew Morton | 53ce3d9 | 2009-01-09 12:27:08 -0800 | [diff] [blame] | 8 | #include <linux/smp.h> |
| 9 | |
| 10 | int smp_call_function_single(int cpu, void (*func) (void *info), void *info, |
| 11 | int wait) |
| 12 | { |
| Ingo Molnar | 93423b8 | 2009-01-11 05:15:21 +0100 | [diff] [blame] | 13 | WARN_ON(cpu != 0); |
| 14 | |
| Andrew Morton | 53ce3d9 | 2009-01-09 12:27:08 -0800 | [diff] [blame] | 15 | local_irq_disable(); |
| 16 | (func)(info); |
| 17 | local_irq_enable(); |
| Ingo Molnar | 93423b8 | 2009-01-11 05:15:21 +0100 | [diff] [blame] | 18 | |
| Andrew Morton | 53ce3d9 | 2009-01-09 12:27:08 -0800 | [diff] [blame] | 19 | return 0; |
| 20 | } |
| 21 | EXPORT_SYMBOL(smp_call_function_single); |