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Diffstat (limited to 'arch/x86/kernel/tsc_sync.c')
-rw-r--r--arch/x86/kernel/tsc_sync.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c
index 9ffb01c31c40..5977c40a138f 100644
--- a/arch/x86/kernel/tsc_sync.c
+++ b/arch/x86/kernel/tsc_sync.c
@@ -108,6 +108,12 @@ void __cpuinit check_tsc_sync_source(int cpu)
108 if (unsynchronized_tsc()) 108 if (unsynchronized_tsc())
109 return; 109 return;
110 110
111 if (boot_cpu_has(X86_FEATURE_TSC_RELIABLE)) {
112 printk(KERN_INFO
113 "Skipping synchronization checks as TSC is reliable.\n");
114 return;
115 }
116
111 printk(KERN_INFO "checking TSC synchronization [CPU#%d -> CPU#%d]:", 117 printk(KERN_INFO "checking TSC synchronization [CPU#%d -> CPU#%d]:",
112 smp_processor_id(), cpu); 118 smp_processor_id(), cpu);
113 119
@@ -161,7 +167,7 @@ void __cpuinit check_tsc_sync_target(void)
161{ 167{
162 int cpus = 2; 168 int cpus = 2;
163 169
164 if (unsynchronized_tsc()) 170 if (unsynchronized_tsc() || boot_cpu_has(X86_FEATURE_TSC_RELIABLE))
165 return; 171 return;
166 172
167 /* 173 /*