X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fsmp.h;h=259a13c3bd98eda779379be1c5df5e37aae6c73e;hb=7616ee95f27a04fd5a6434e9ef4a82cec4b2807c;hp=3f70149eabbb2e7d40c91ce069cce466c3162615;hpb=ba7cc09c9c9e29a57045dc5bbf843ac1cfad3283;p=linux-2.6

diff --git a/include/linux/smp.h b/include/linux/smp.h
index 3f70149eab..259a13c3bd 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -6,6 +6,7 @@
  *		Alan Cox. <alan@redhat.com>
  */
 
+#include <linux/errno.h>
 
 extern void cpu_idle(void);
 
@@ -98,13 +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)
-{
-	/* Disable interrupts here? */
-	func(info);
-	return 0;
-}
+#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 */