From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753447Ab1JXHWm (ORCPT ); Mon, 24 Oct 2011 03:22:42 -0400 Received: from mail-gy0-f174.google.com ([209.85.160.174]:35170 "EHLO mail-gy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753326Ab1JXHWl (ORCPT ); Mon, 24 Oct 2011 03:22:41 -0400 From: Zhao Jin To: avi@redhat.com, mtosatti@redhat.com Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Subject: [PATCH] KVM: MMU: initialize sptes early Date: Mon, 24 Oct 2011 15:21:18 +0800 Message-Id: <1319440880-2610-1-git-send-email-cronozhj@gmail.com> X-Mailer: git-send-email 1.7.5.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Otherwise, the following kvm_sync_pages() will see invalid sptes in a new shadow page. Signed-off-by: Zhao Jin --- arch/x86/kvm/mmu.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 8e8da79..d7e1694 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1692,6 +1692,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu, return sp; sp->gfn = gfn; sp->role = role; + init_shadow_page_table(sp); hlist_add_head(&sp->hash_link, &vcpu->kvm->arch.mmu_page_hash[kvm_page_table_hashfn(gfn)]); if (!direct) { @@ -1702,7 +1703,6 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu, account_shadowed(vcpu->kvm, gfn); } - init_shadow_page_table(sp); trace_kvm_mmu_get_page(sp, true); return sp; } -- 1.7.5.4