From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756126AbYIYMHu (ORCPT ); Thu, 25 Sep 2008 08:07:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755098AbYIYL4d (ORCPT ); Thu, 25 Sep 2008 07:56:33 -0400 Received: from mx2.redhat.com ([66.187.237.31]:48617 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755032AbYIYL4X (ORCPT ); Thu, 25 Sep 2008 07:56:23 -0400 From: Avi Kivity To: linux-kernel@vger.kernel.org Cc: kvm@vger.kernel.org, Avi Kivity Subject: [PATCH 36/39] KVM: SVM: No need to unprotect memory during event injection when using npt Date: Thu, 25 Sep 2008 14:55:08 +0300 Message-Id: <1222343711-12508-37-git-send-email-avi@redhat.com> In-Reply-To: <1222343711-12508-1-git-send-email-avi@redhat.com> References: <1222343711-12508-1-git-send-email-avi@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Avi Kivity No memory is protected anyway. Signed-off-by: Avi Kivity --- arch/x86/kvm/svm.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index be86c09..6022888 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1021,7 +1021,7 @@ static int pf_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) if (npt_enabled) svm_flush_tlb(&svm->vcpu); - if (event_injection) + if (!npt_enabled && event_injection) kvm_mmu_unprotect_page_virt(&svm->vcpu, fault_address); return kvm_mmu_page_fault(&svm->vcpu, fault_address, error_code); } -- 1.6.0.1