[PATCH 32/33] KVM: MMU: Destroy mmu while we still have a vcpu left

mmu_destroy flushes the guest tlb (indirectly), which needs a valid vcpu.

Signed-off-by: Avi Kivity <[email protected]>

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
@@ -271,8 +271,8 @@ static void kvm_free_physmem(struct kvm 
 
 static void kvm_free_vcpu(struct kvm_vcpu *vcpu)
 {
-	kvm_arch_ops->vcpu_free(vcpu);
 	kvm_mmu_destroy(vcpu);
+	kvm_arch_ops->vcpu_free(vcpu);
 }
 
 static void kvm_free_vcpus(struct kvm *kvm)
-
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---

• References:
  • [PATCH 0/33] KVM: MMU: Cache shadow page tables
    • From: Avi Kivity <[email protected]>

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