X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fsmp.h;h=259a13c3bd98eda779379be1c5df5e37aae6c73e;hb=b1d08ac064268d0ae2281e98bf5e82627e0f0c56;hp=96ac21f8dd735ae2db06d9f16048bec4c8e40a23;hpb=31f6e1bd3b58c9a67e5ea0c2d372fbf5fc9e326d;p=linux-2.6

diff --git a/include/linux/smp.h b/include/linux/smp.h
index 96ac21f8dd..259a13c3bd 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 */