From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757206AbYIYMG0 (ORCPT ); Thu, 25 Sep 2008 08:06:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754819AbYIYL40 (ORCPT ); Thu, 25 Sep 2008 07:56:26 -0400 Received: from mx2.redhat.com ([66.187.237.31]:48612 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754855AbYIYL4T (ORCPT ); Thu, 25 Sep 2008 07:56:19 -0400 From: Avi Kivity To: linux-kernel@vger.kernel.org Cc: kvm@vger.kernel.org, Avi Kivity Subject: [PATCH 34/39] KVM: MMU: Flush tlbs after clearing write permission when accessing dirty log Date: Thu, 25 Sep 2008 14:55:06 +0300 Message-Id: <1222343711-12508-35-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 Otherwise, the cpu may allow writes to the tracked pages, and we lose some display bits or fail to migrate correctly. Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 5052acd..853a288 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2111,6 +2111,7 @@ void kvm_mmu_slot_remove_write_access(struct kvm *kvm, int slot) if (pt[i] & PT_WRITABLE_MASK) pt[i] &= ~PT_WRITABLE_MASK; } + kvm_flush_remote_tlbs(kvm); spin_unlock(&kvm->mmu_lock); } -- 1.6.0.1