diff --git a/[refs] b/[refs]
index 3792f989a09c..b48f14e570bd 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 283d0c65e4c277cf81d71418341c74eee199d149
+refs/heads/master: 3f0852e0aca9de2d2f8bc756630a82352cbfde68
diff --git a/trunk/virt/kvm/coalesced_mmio.h b/trunk/virt/kvm/coalesced_mmio.h
index 4b49f27fa31e..e7033469733d 100644
--- a/trunk/virt/kvm/coalesced_mmio.h
+++ b/trunk/virt/kvm/coalesced_mmio.h
@@ -1,3 +1,6 @@
+#ifndef __KVM_COALESCED_MMIO_H__
+#define __KVM_COALESCED_MMIO_H__
+
 /*
  * KVM coalesced MMIO
  *
@@ -22,3 +25,5 @@ int kvm_vm_ioctl_register_coalesced_mmio(struct kvm *kvm,
                                        struct kvm_coalesced_mmio_zone *zone);
 int kvm_vm_ioctl_unregister_coalesced_mmio(struct kvm *kvm,
                                          struct kvm_coalesced_mmio_zone *zone);
+
+#endif