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Diffstat (limited to 'include/linux/hardirq.h')
-rw-r--r--include/linux/hardirq.h28
1 files changed, 19 insertions, 9 deletions
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index 03c9fece7d43..754f67ac4326 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -111,32 +111,42 @@ extern void rcu_nmi_exit(void);
/*
* nmi_enter() can nest up to 15 times; see NMI_BITS.
*/
-#define nmi_enter() \
+#define __nmi_enter() \
do { \
+ lockdep_off(); \
arch_nmi_enter(); \
printk_nmi_enter(); \
- lockdep_off(); \
BUG_ON(in_nmi() == NMI_MASK); \
__preempt_count_add(NMI_OFFSET + HARDIRQ_OFFSET); \
- rcu_nmi_enter(); \
+ } while (0)
+
+#define nmi_enter() \
+ do { \
+ __nmi_enter(); \
lockdep_hardirq_enter(); \
+ rcu_nmi_enter(); \
instrumentation_begin(); \
ftrace_nmi_enter(); \
instrumentation_end(); \
} while (0)
+#define __nmi_exit() \
+ do { \
+ BUG_ON(!in_nmi()); \
+ __preempt_count_sub(NMI_OFFSET + HARDIRQ_OFFSET); \
+ printk_nmi_exit(); \
+ arch_nmi_exit(); \
+ lockdep_on(); \
+ } while (0)
+
#define nmi_exit() \
do { \
instrumentation_begin(); \
ftrace_nmi_exit(); \
instrumentation_end(); \
- lockdep_hardirq_exit(); \
rcu_nmi_exit(); \
- BUG_ON(!in_nmi()); \
- __preempt_count_sub(NMI_OFFSET + HARDIRQ_OFFSET); \
- lockdep_on(); \
- printk_nmi_exit(); \
- arch_nmi_exit(); \
+ lockdep_hardirq_exit(); \
+ __nmi_exit(); \
} while (0)
#endif /* LINUX_HARDIRQ_H */