diff options
| -rw-r--r-- | include/linux/smp.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/smp.h b/include/linux/smp.h index 96ac21f8dd73..8039daced688 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -7,6 +7,7 @@ */ #include <linux/errno.h> +#include <asm/system.h> extern void cpu_idle(void); @@ -102,7 +103,11 @@ static inline void smp_send_reschedule(int cpu) { } static inline int smp_call_function_single(int cpuid, void (*func) (void *info), void *info, int retry, int wait) { - return -EBUSY; + WARN_ON(cpuid != 0); + local_irq_disable(); + func(info); + local_irq_enable(); + return 0; } #endif /* !SMP */ |