ftrace: trace irq disabled critical timings

[karo-tx-linux.git] / include / linux / irqflags.h

diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h
index e600c4e9b8c5b179eebdcaea3769f5bcba49f18a..5b711d4e9fd9ee2300ae600984736547c4ad2303 100644 (file)
--- a/include/linux/irqflags.h
+++ b/include/linux/irqflags.h
@@ -12,10 +12,10 @@
 #define _LINUX_TRACE_IRQFLAGS_H
 
 #ifdef CONFIG_TRACE_IRQFLAGS
-  extern void trace_hardirqs_on(void);
-  extern void trace_hardirqs_off(void);
   extern void trace_softirqs_on(unsigned long ip);
   extern void trace_softirqs_off(unsigned long ip);
+  extern void trace_hardirqs_on(void);
+  extern void trace_hardirqs_off(void);
 # define trace_hardirq_context(p)      ((p)->hardirq_context)
 # define trace_softirq_context(p)      ((p)->softirq_context)
 # define trace_hardirqs_enabled(p)     ((p)->hardirqs_enabled)
@@ -41,6 +41,14 @@
 # define INIT_TRACE_IRQFLAGS
 #endif
 
+#ifdef CONFIG_IRQSOFF_TRACER
+ extern void stop_critical_timings(void);
+ extern void start_critical_timings(void);
+#else
+# define stop_critical_timings() do { } while (0)
+# define start_critical_timings() do { } while (0)
+#endif
+
 #ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT
 
 #include <asm/irqflags.h>