[PATCH] KVM: make sure there is a vcpu context loaded when destroying the mmu

This makes the vmwrite errors on vm shutdown go away.

Signed-off-by: Avi Kivity <avi@qumranet.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index 67c1154..be4651a 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -272,7 +272,9 @@
 
 static void kvm_free_vcpu(struct kvm_vcpu *vcpu)
 {
+	vcpu_load(vcpu->kvm, vcpu_slot(vcpu));
 	kvm_mmu_destroy(vcpu);
+	vcpu_put(vcpu);
 	kvm_arch_ops->vcpu_free(vcpu);
 }