diff options
Diffstat (limited to 'arch/x86/kernel/tsc_32.c')
| -rw-r--r-- | arch/x86/kernel/tsc_32.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kernel/tsc_32.c b/arch/x86/kernel/tsc_32.c index 00bb4c1c0593..2a7b95bd8509 100644 --- a/arch/x86/kernel/tsc_32.c +++ b/arch/x86/kernel/tsc_32.c @@ -354,6 +354,11 @@ __cpuinit int unsynchronized_tsc(void) { if (!cpu_has_tsc || tsc_unstable) return 1; + + /* Anything with constant TSC should be synchronized */ + if (boot_cpu_has(X86_FEATURE_CONSTANT_TSC)) + return 0; + /* * Intel systems are normally all synchronized. * Exceptions must mark TSC as unstable: |