smp: Teach __smp_call_function_single() to check for offline cpus

[cascardo/linux.git] / kernel / up.c

diff --git a/kernel/up.c b/kernel/up.c
index 509403e..cdf03d1 100644 (file)
--- a/kernel/up.c
+++ b/kernel/up.c
@@ -22,14 +22,15 @@ int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
 }
 EXPORT_SYMBOL(smp_call_function_single);
 
-void __smp_call_function_single(int cpu, struct call_single_data *csd,
-                               int wait)
+int __smp_call_function_single(int cpu, struct call_single_data *csd,
+                              int wait)
 {
        unsigned long flags;
 
        local_irq_save(flags);
        csd->func(csd->info);
        local_irq_restore(flags);
+       return 0;
 }
 EXPORT_SYMBOL(__smp_call_function_single);