diff options
Diffstat (limited to 'include/linux/smp.h')
| -rw-r--r-- | include/linux/smp.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/include/linux/smp.h b/include/linux/smp.h index 96ac21f8dd73..259a13c3bd98 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h | |||
| @@ -99,11 +99,14 @@ static inline int up_smp_call_function(void) | |||
| 99 | static inline void smp_send_reschedule(int cpu) { } | 99 | static inline void smp_send_reschedule(int cpu) { } |
| 100 | #define num_booting_cpus() 1 | 100 | #define num_booting_cpus() 1 |
| 101 | #define smp_prepare_boot_cpu() do {} while (0) | 101 | #define smp_prepare_boot_cpu() do {} while (0) |
| 102 | static inline int smp_call_function_single(int cpuid, void (*func) (void *info), | 102 | #define smp_call_function_single(cpuid, func, info, retry, wait) \ |
| 103 | void *info, int retry, int wait) | 103 | ({ \ |
| 104 | { | 104 | WARN_ON(cpuid != 0); \ |
| 105 | return -EBUSY; | 105 | local_irq_disable(); \ |
| 106 | } | 106 | (func)(info); \ |
| 107 | local_irq_enable(); \ | ||
| 108 | 0; \ | ||
| 109 | }) | ||
| 107 | 110 | ||
| 108 | #endif /* !SMP */ | 111 | #endif /* !SMP */ |
| 109 | 112 | ||