[v2,2/5] KVM: MMU: clear apfs if page state is changed

Commit Message

Xiao Guangrong Nov. 12, 2010, 6:47 a.m. UTC

None

Patch

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index fc29223..c071d73 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -525,6 +525,9 @@  int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
 
 	kvm_x86_ops->set_cr0(vcpu, cr0);
 
+	if ((cr0 ^ old_cr0) & X86_CR0_PG)
+		kvm_clear_async_pf_completion_queue(vcpu);
+
 	if ((cr0 ^ old_cr0) & update_bits)
 		kvm_mmu_reset_context(vcpu);
 	return 0;