diff --git a/[refs] b/[refs]
index 3d951228adff..7cf3a6862752 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7069ed67635b8d574541af426d752cd7fbd465a6
+refs/heads/master: b01578de45614c085be319229a52774b61ffe6fb
diff --git a/trunk/arch/x86/kernel/pvclock.c b/trunk/arch/x86/kernel/pvclock.c
index 42eb3300dfc6..12e47e210491 100644
--- a/trunk/arch/x86/kernel/pvclock.c
+++ b/trunk/arch/x86/kernel/pvclock.c
@@ -97,10 +97,10 @@ cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src)
 
 	do {
 		version = pvclock_get_time_values(&shadow, src);
-		barrier();
+		rdtsc_barrier();
 		offset = pvclock_get_nsec_offset(&shadow);
 		ret = shadow.system_timestamp + offset;
-		barrier();
+		rdtsc_barrier();
 	} while (version != src->version);
 
 	if ((valid_flags & PVCLOCK_TSC_STABLE_BIT) &&