diff options
| author | john stultz <johnstul@us.ibm.com> | 2007-05-02 13:27:08 -0400 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2007-05-02 13:27:08 -0400 |
| commit | 5a90cf205c922707ffed2d8f87cefd942e96b0ba (patch) | |
| tree | 5e9c9c1be3d149bff7620db89e1ede2317ba7362 /include/asm-x86_64 | |
| parent | 2714221985ce6388ec2fa78d7d52e2a5bef78eec (diff) | |
[PATCH] x86: Log reason why TSC was marked unstable
Change mark_tsc_unstable() so it takes a string argument, which holds the
reason the TSC was marked unstable.
This is then displayed the first time mark_tsc_unstable is called.
This should help us better debug why the TSC was marked unstable on certain
systems and allow us to make sure we're not being overly paranoid when
throwing out this troublesome clocksource.
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'include/asm-x86_64')
| -rw-r--r-- | include/asm-x86_64/timex.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asm-x86_64/timex.h b/include/asm-x86_64/timex.h index 8c6808a3fba4..f6527e1b6c1c 100644 --- a/include/asm-x86_64/timex.h +++ b/include/asm-x86_64/timex.h | |||
| @@ -27,6 +27,6 @@ extern int read_current_timer(unsigned long *timer_value); | |||
| 27 | #define NS_SCALE 10 /* 2^10, carefully chosen */ | 27 | #define NS_SCALE 10 /* 2^10, carefully chosen */ |
| 28 | #define US_SCALE 32 /* 2^32, arbitralrily chosen */ | 28 | #define US_SCALE 32 /* 2^32, arbitralrily chosen */ |
| 29 | 29 | ||
| 30 | extern void mark_tsc_unstable(void); | 30 | extern void mark_tsc_unstable(char *msg); |
| 31 | extern void set_cyc2ns_scale(unsigned long khz); | 31 | extern void set_cyc2ns_scale(unsigned long khz); |
| 32 | #endif | 32 | #endif |