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Commit 52c7847d authored by Avi Kivity's avatar Avi Kivity
Browse files

KVM: SVM: Drop tlb flush workaround in npt 



It is no longer possible to reproduce the problem any more, so presumably
it has been fixed.

Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent cb142eb7

arch/x86/kvm/svm.c

+2 −11
Original line number Diff line number Diff line
@@ -1187,17 +1187,8 @@ static int pf_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) 
	error_code = svm->vmcb->control.exit_info_1;



	trace_kvm_page_fault(fault_address, error_code);

	/*

	 * FIXME: Tis shouldn't be necessary here, but there is a flush

	 * missing in the MMU code. Until we find this bug, flush the

	 * complete TLB here on an NPF

	 */

	if (npt_enabled)

		svm_flush_tlb(&svm->vcpu);

	else {

		if (kvm_event_needs_reinjection(&svm->vcpu))

	if (!npt_enabled && kvm_event_needs_reinjection(&svm->vcpu))

		kvm_mmu_unprotect_page_virt(&svm->vcpu, fault_address);

	}

	return kvm_mmu_page_fault(&svm->vcpu, fault_address, error_code);

}