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authorIngo Molnar <mingo@elte.hu>2008-05-12 21:21:15 +0200
committerThomas Gleixner <tglx@linutronix.de>2008-05-23 22:34:56 +0200
commit74f4e369fc5b52433ad824cef32d3bf1304549be (patch)
treec70d073a2740821f52d8b2b09f01626a06201e74 /include
parent5b82a1b08a00b2adca3d9dd9777efff40b7aaaa1 (diff)
ftrace: stacktrace fix
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/ftrace.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 0d3714e7110b..017ab44d572a 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -120,4 +120,12 @@ static inline void tracer_disable(void)
# define trace_preempt_off(a0, a1) do { } while (0)
#endif
+#ifdef CONFIG_CONTEXT_SWITCH_TRACER
+extern void
+ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3);
+#else
+static inline void
+ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { }
+#endif
+
#endif /* _LINUX_FTRACE_H */