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| author | Rafael J. Wysocki <rjw@sisk.pl> | 2009-12-06 16:06:11 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2009-12-06 16:06:11 +0100 |
| commit | 64357ed468025614d48daa6cc87674ae5616f8fb (patch) | |
| tree | 2467c239364d7602755b73203025d329c6f84b22 /arch/x86/kernel/tsc_sync.c | |
| parent | be404f0212ffa8f67361f8ee460a25d901d88991 (diff) | |
| parent | 6ec22f9b037fc0c2e00ddb7023fad279c365324d (diff) | |
Merge branch 'master' into for-linus
Diffstat (limited to 'arch/x86/kernel/tsc_sync.c')
| -rw-r--r-- | arch/x86/kernel/tsc_sync.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c index f37930954d15..eed156851f5d 100644 --- a/arch/x86/kernel/tsc_sync.c +++ b/arch/x86/kernel/tsc_sync.c @@ -114,13 +114,12 @@ void __cpuinit check_tsc_sync_source(int cpu) return; if (boot_cpu_has(X86_FEATURE_TSC_RELIABLE)) { - printk_once(KERN_INFO "Skipping synchronization checks as TSC is reliable.\n"); + if (cpu == (nr_cpu_ids-1) || system_state != SYSTEM_BOOTING) + pr_info( + "Skipped synchronization checks as TSC is reliable.\n"); return; } - pr_info("checking TSC synchronization [CPU#%d -> CPU#%d]:", - smp_processor_id(), cpu); - /* * Reset it - in case this is a second bootup: */ @@ -142,12 +141,14 @@ void __cpuinit check_tsc_sync_source(int cpu) cpu_relax(); if (nr_warps) { - printk("\n"); + pr_warning("TSC synchronization [CPU#%d -> CPU#%d]:\n", + smp_processor_id(), cpu); pr_warning("Measured %Ld cycles TSC warp between CPUs, " "turning off TSC clock.\n", max_warp); mark_tsc_unstable("check_tsc_sync_source failed"); } else { - printk(" passed.\n"); + pr_debug("TSC synchronization [CPU#%d -> CPU#%d]: passed\n", + smp_processor_id(), cpu); } /* |