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| author | Ingo Molnar <mingo@elte.hu> | 2008-01-30 15:33:23 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 15:33:23 +0300 |
| commit | df43510b18b8439465b4b58556f0495b5f5d771e (patch) | |
| tree | ad9c1c45f4c7046b9843b1861c767d0ce8a3a3b8 /arch/x86/kernel/tsc_sync.c | |
| parent | ade1af77129dea6e335b525ed3be3b846bc1ec13 (diff) | |
| download | linux-df43510b18b8439465b4b58556f0495b5f5d771e.tar.xz | |
x86: check_tsc_warp() slowness fix
100 million max # of loops is a bit too much - reduce it to 10 million.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/tsc_sync.c')
| -rw-r--r-- | arch/x86/kernel/tsc_sync.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c index ace340524c01..7110078f242c 100644 --- a/arch/x86/kernel/tsc_sync.c +++ b/arch/x86/kernel/tsc_sync.c @@ -67,12 +67,12 @@ static __cpuinit void check_tsc_warp(void) /* * Be nice every now and then (and also check whether - * measurement is done [we also insert a 100 million + * measurement is done [we also insert a 10 million * loops safety exit, so we dont lock up in case the * TSC readout is totally broken]): */ if (unlikely(!(i & 7))) { - if (now > end || i > 100000000) + if (now > end || i > 10000000) break; cpu_relax(); touch_nmi_watchdog(); |