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Subject[PATCH 3/3] KVM: Fix mmu reset locking when setting cr0
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From: Yaniv Kamay <yaniv@qumranet.com>

An mmu reset needs to be called with the kvm lock held.

Signed-off-by: Yaniv Kamay <yaniv@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

Index: linux-2.6/drivers/kvm/kvm_main.c
===================================================================
--- linux-2.6.orig/drivers/kvm/kvm_main.c
+++ linux-2.6/drivers/kvm/kvm_main.c
@@ -1045,7 +1045,9 @@ static void set_cr0(struct kvm_vcpu *vcp
}

__set_cr0(vcpu, cr0);
+ spin_lock(&vcpu->kvm->lock);
kvm_mmu_reset_context(vcpu);
+ spin_unlock(&vcpu->kvm->lock);
return;
}

-
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