diff --git a/[refs] b/[refs]
index 731fb553425c..52fe8ac19c86 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a1a70c25bed75ed36ed48bbe18b9029428d2452d
+refs/heads/master: 616779656989cb8c59177e35cb13e87028b1edc8
diff --git a/trunk/arch/x86_64/kernel/setup.c b/trunk/arch/x86_64/kernel/setup.c
index a570c81c8316..05eaca41802b 100644
--- a/trunk/arch/x86_64/kernel/setup.c
+++ b/trunk/arch/x86_64/kernel/setup.c
@@ -732,11 +732,8 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
 	/* Fix cpuid4 emulation for more */
 	num_cache_leaves = 3;
 
-	/* When there is only one core no need to synchronize RDTSC */
-	if (num_possible_cpus() == 1)
-	        set_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);
-	else
-	        clear_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);
+	/* RDTSC can be speculated around */
+	clear_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);
 }
 
 static void __cpuinit detect_ht(struct cpuinfo_x86 *c)