diff --git a/[refs] b/[refs]
index ab9855e54161..09e4d380d36a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1a74357066369be91e6f4f431621a00b052df964
+refs/heads/master: 9f15226e75583547aaf542c6be4bdac1060dd425
diff --git a/trunk/arch/x86/kernel/microcode_core.c b/trunk/arch/x86/kernel/microcode_core.c
index d2a816021d9f..adf234061540 100644
--- a/trunk/arch/x86/kernel/microcode_core.c
+++ b/trunk/arch/x86/kernel/microcode_core.c
@@ -393,7 +393,7 @@ static enum ucode_state microcode_update_cpu(int cpu)
 	struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
 	enum ucode_state ustate;
 
-	if (uci->valid)
+	if (uci->valid && uci->mc)
 		ustate = microcode_resume_cpu(cpu);
 	else
 		ustate = microcode_init_cpu(cpu);