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-rw-r--r--include/linux/smp.h19
1 files changed, 12 insertions, 7 deletions
diff --git a/include/linux/smp.h b/include/linux/smp.h
index e6564c1dc552..c8488763277f 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -11,6 +11,7 @@
11#include <linux/list.h> 11#include <linux/list.h>
12#include <linux/cpumask.h> 12#include <linux/cpumask.h>
13#include <linux/init.h> 13#include <linux/init.h>
14#include <linux/irqflags.h>
14 15
15extern void cpu_idle(void); 16extern void cpu_idle(void);
16 17
@@ -139,13 +140,17 @@ static inline int up_smp_call_function(smp_call_func_t func, void *info)
139} 140}
140#define smp_call_function(func, info, wait) \ 141#define smp_call_function(func, info, wait) \
141 (up_smp_call_function(func, info)) 142 (up_smp_call_function(func, info))
142#define on_each_cpu(func,info,wait) \ 143
143 ({ \ 144static inline int on_each_cpu(smp_call_func_t func, void *info, int wait)
144 local_irq_disable(); \ 145{
145 func(info); \ 146 unsigned long flags;
146 local_irq_enable(); \ 147
147 0; \ 148 local_irq_save(flags);
148 }) 149 func(info);
150 local_irq_restore(flags);
151 return 0;
152}
153
149/* 154/*
150 * Note we still need to test the mask even for UP 155 * Note we still need to test the mask even for UP
151 * because we actually can get an empty mask from 156 * because we actually can get an empty mask from