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Diffstat (limited to 'include/linux/smp.h')
-rw-r--r--include/linux/smp.h23
1 files changed, 9 insertions, 14 deletions
diff --git a/include/linux/smp.h b/include/linux/smp.h
index 44153fdf73fc..d699a16b0cb2 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -52,23 +52,12 @@ extern void smp_cpus_done(unsigned int max_cpus);
/*
* Call a function on all other processors
*/
-extern int smp_call_function (void (*func) (void *info), void *info,
- int retry, int wait);
+int smp_call_function(void(*func)(void *info), void *info, int retry, int wait);
/*
* Call a function on all processors
*/
-static inline int on_each_cpu(void (*func) (void *info), void *info,
- int retry, int wait)
-{
- int ret = 0;
-
- preempt_disable();
- ret = smp_call_function(func, info, retry, wait);
- func(info);
- preempt_enable();
- return ret;
-}
+int on_each_cpu(void (*func) (void *info), void *info, int retry, int wait);
#define MSG_ALL_BUT_SELF 0x8000 /* Assume <32768 CPU's */
#define MSG_ALL 0x8001
@@ -94,7 +83,13 @@ void smp_prepare_boot_cpu(void);
#define raw_smp_processor_id() 0
#define hard_smp_processor_id() 0
#define smp_call_function(func,info,retry,wait) ({ 0; })
-#define on_each_cpu(func,info,retry,wait) ({ func(info); 0; })
+#define on_each_cpu(func,info,retry,wait) \
+ ({ \
+ local_irq_disable(); \
+ func(info); \
+ local_irq_enable(); \
+ 0; \
+ })
static inline void smp_send_reschedule(int cpu) { }
#define num_booting_cpus() 1
#define smp_prepare_boot_cpu() do {} while (0)