From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nadav Amit Subject: [PATCH v2 4/4] KVM: x86: Clear CR2 on VCPU reset Date: Thu, 2 Apr 2015 03:10:38 +0300 Message-ID: <1427933438-12782-5-git-send-email-namit@cs.technion.ac.il> References: <1427933438-12782-1-git-send-email-namit@cs.technion.ac.il> Cc: kvm@vger.kernel.org, Nadav Amit To: pbonzini@redhat.com Return-path: Received: from mailgw10.technion.ac.il ([132.68.225.10]:18503 "EHLO mailgw10.technion.ac.il" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751845AbbDBAKr (ORCPT ); Wed, 1 Apr 2015 20:10:47 -0400 In-Reply-To: <1427933438-12782-1-git-send-email-namit@cs.technion.ac.il> Sender: kvm-owner@vger.kernel.org List-ID: CR2 is not cleared as it should after reset. See Intel SDM table named "IA-32 Processor States Following Power-up, Reset, or INIT". Signed-off-by: Nadav Amit --- arch/x86/kvm/x86.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index e4ac17e..8fdad04 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -7117,6 +7117,8 @@ void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event) vcpu->arch.dr7 = DR7_FIXED_1; kvm_update_dr7(vcpu); + vcpu->arch.cr2 = 0; + kvm_make_request(KVM_REQ_EVENT, vcpu); vcpu->arch.apf.msr_val = 0; vcpu->arch.st.msr_val = 0; -- 1.9.1