1 files changed, 4 insertions, 1 deletions

diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 05eaca41802b..6595a4ebe7f1 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -860,7 +860,10 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
                 set_bit(X86_FEATURE_CONSTANT_TSC, &c->x86_capability);
         if (c->x86 == 6)
                 set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability);
-        set_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);
+        if (c->x86 == 15)
+                set_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);
+        else
+                clear_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);
         c->x86_max_cores = intel_num_cpu_cores(c);
 
         srat_detect_node();