diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-05-12 21:20:43 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-23 20:39:05 +0200 |
| commit | f43fdad8627fec2d21df92799b254dceb66c9c3c (patch) | |
| tree | 09a9c54beaea06b814b3f4e6724375de282d944b /include | |
| parent | 4c11d7aed389375253b59e2b1865eec96663c65d (diff) | |
ftrace: fix kexec
disable the tracer while kexec pulls the rug from under the old
kernel.
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.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index f5911d2d42c..a42390c1d6e 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -68,6 +68,13 @@ extern void ftrace_call(void); extern void mcount_call(void); #endif +static inline void tracer_disable(void) +{ +#ifdef CONFIG_FTRACE + ftrace_enabled = 0; +#endif +} + #ifdef CONFIG_FRAME_POINTER /* TODO: need to fix this for ARM */ # define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0)) |