diff --git a/[refs] b/[refs]
index b4138c88754c..50b1b72f355f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ca444564a947034557a85357b3911d067cac4b8f
+refs/heads/master: 4ac5fc6a3e4d90120f292526bcaa5ee182a7411b
diff --git a/trunk/arch/x86/kernel/microcode_core.c b/trunk/arch/x86/kernel/microcode_core.c
index 5ed0ab549eb8..f9242800bc84 100644
--- a/trunk/arch/x86/kernel/microcode_core.c
+++ b/trunk/arch/x86/kernel/microcode_core.c
@@ -550,6 +550,7 @@ static void __exit microcode_exit(void)
 	microcode_dev_exit();
 
 	unregister_hotcpu_notifier(&mc_cpu_notifier);
+	unregister_syscore_ops(&mc_syscore_ops);
 
 	get_online_cpus();
 	mutex_lock(&microcode_mutex);