diff --git a/[refs] b/[refs]
index 3e937b7d5b78..a6b7d4fc7992 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 888b65b4bc5e7fcbbb967023300cd5d44dba1950
+refs/heads/master: 66ff0fe9e7bda8aec99985b24daad03652f7304e
diff --git a/trunk/arch/x86/xen/smp.c b/trunk/arch/x86/xen/smp.c
index f80e69cc77be..22c800af180b 100644
--- a/trunk/arch/x86/xen/smp.c
+++ b/trunk/arch/x86/xen/smp.c
@@ -662,6 +662,7 @@ static void xen_hvm_cpu_die(unsigned int cpu)
 	unbind_from_irqhandler(per_cpu(xen_debug_irq, cpu), NULL);
 	unbind_from_irqhandler(per_cpu(xen_callfuncsingle_irq, cpu), NULL);
 	unbind_from_irqhandler(per_cpu(xen_irq_work, cpu), NULL);
+	xen_uninit_lock_cpu(cpu);
 	xen_teardown_timer(cpu);
 	native_cpu_die(cpu);
 }