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) static inline void smp_send_reschedule(int cpu) { } #define num_booting_cpus() 1 #define smp_prepare_boot_cpu() do {} while (0) -static inline int smp_call_function_single(int cpuid, void (*func) (void *info), - void *info, int retry, int wait) -{ - return -EBUSY; -} +#define smp_call_function_single(cpuid, func, info, retry, wait) \ +({ \ + WARN_ON(cpuid != 0); \ + local_irq_disable(); \ + (func)(info); \ + local_irq_enable(); \ + 0; \ +}) #endif /* !SMP */ |