1 files changed, 3 insertions, 1 deletions

diff --git a/arch/i386/kernel/cpu/intel.c b/arch/i386/kernel/cpu/intel.c
index 56fe26584957..dc4e08147b1f 100644
--- a/arch/i386/kernel/cpu/intel.c
+++ b/arch/i386/kernel/cpu/intel.c
@@ -188,8 +188,10 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
         }
 #endif
 
-        if (c->x86 == 15)
+        if (c->x86 == 15) {
                 set_bit(X86_FEATURE_P4, c->x86_capability);
+                set_bit(X86_FEATURE_SYNC_RDTSC, c->x86_capability);
+        }
         if (c->x86 == 6) 
                 set_bit(X86_FEATURE_P3, c->x86_capability);
         if ((c->x86 == 0xf && c->x86_model >= 0x03) ||