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| author | Ingo Molnar <mingo@elte.hu> | 2008-12-29 09:45:15 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-29 09:45:15 +0100 |
| commit | e1df957670aef74ffd9a4ad93e6d2c90bf6b4845 (patch) | |
| tree | bca1fcfef55b3e3e82c9a822b4ac6428fce2b419 /arch/x86/kernel/tsc_sync.c | |
| parent | 2b583d8bc8d7105b58d7481a4a0ceb718dac49c6 (diff) | |
| parent | 3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff) | |
| download | op-kernel-dev-e1df957670aef74ffd9a4ad93e6d2c90bf6b4845.zip op-kernel-dev-e1df957670aef74ffd9a4ad93e6d2c90bf6b4845.tar.gz | |
Merge branch 'linus' into perfcounters/core
Conflicts:
fs/exec.c
include/linux/init_task.h
Simple context conflicts.
Diffstat (limited to 'arch/x86/kernel/tsc_sync.c')
| -rw-r--r-- | arch/x86/kernel/tsc_sync.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c index 1c0dfbc..bf36328 100644 --- a/arch/x86/kernel/tsc_sync.c +++ b/arch/x86/kernel/tsc_sync.c @@ -112,6 +112,12 @@ void __cpuinit check_tsc_sync_source(int cpu) if (unsynchronized_tsc()) return; + if (boot_cpu_has(X86_FEATURE_TSC_RELIABLE)) { + printk(KERN_INFO + "Skipping synchronization checks as TSC is reliable.\n"); + return; + } + printk(KERN_INFO "checking TSC synchronization [CPU#%d -> CPU#%d]:", smp_processor_id(), cpu); @@ -165,7 +171,7 @@ void __cpuinit check_tsc_sync_target(void) { int cpus = 2; - if (unsynchronized_tsc()) + if (unsynchronized_tsc() || boot_cpu_has(X86_FEATURE_TSC_RELIABLE)) return; /* |
