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| author | Jens Axboe <axboe@fb.com> | 2014-11-19 05:43:46 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2014-11-19 05:43:46 +0300 |
| commit | b3521729769ec71567a2e32a38609f87e781e41b (patch) | |
| tree | 66a8494968706420c3eb043caa5868702d440d18 /arch/x86/kernel/tsc.c | |
| parent | 139768895309c6c1d6913e909e9c9422f81a1640 (diff) | |
| parent | fc14f9c1272f62c3e8d01300f52467c0d9af50f9 (diff) | |
| download | linux-b3521729769ec71567a2e32a38609f87e781e41b.tar.xz | |
Merge branch 'master' into for-3.19/drivers
Diffstat (limited to 'arch/x86/kernel/tsc.c')
| -rw-r--r-- | arch/x86/kernel/tsc.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index b6025f9e36c6..b7e50bba3bbb 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -1166,14 +1166,17 @@ void __init tsc_init(void) x86_init.timers.tsc_pre_init(); - if (!cpu_has_tsc) + if (!cpu_has_tsc) { + setup_clear_cpu_cap(X86_FEATURE_TSC_DEADLINE_TIMER); return; + } tsc_khz = x86_platform.calibrate_tsc(); cpu_khz = tsc_khz; if (!tsc_khz) { mark_tsc_unstable("could not calculate TSC khz"); + setup_clear_cpu_cap(X86_FEATURE_TSC_DEADLINE_TIMER); return; } |