From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758943AbZBZOT4 (ORCPT ); Thu, 26 Feb 2009 09:19:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756949AbZBZOP6 (ORCPT ); Thu, 26 Feb 2009 09:15:58 -0500 Received: from mx2.redhat.com ([66.187.237.31]:43056 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754186AbZBZOPk (ORCPT ); Thu, 26 Feb 2009 09:15:40 -0500 From: Avi Kivity To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Joerg Roedel Subject: [PATCH 09/40] KVM: SVM: Allow read access to MSR_VM_VR Date: Thu, 26 Feb 2009 16:14:59 +0200 Message-Id: <1235657730-27683-10-git-send-email-avi@redhat.com> In-Reply-To: <1235657730-27683-1-git-send-email-avi@redhat.com> References: <1235657730-27683-1-git-send-email-avi@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Joerg Roedel KVM tries to read the VM_CR MSR to find out if SVM was disabled by the BIOS. So implement read support for this MSR to make nested SVM running. Signed-off-by: Joerg Roedel Signed-off-by: Alexander Graf Signed-off-by: Avi Kivity --- arch/x86/kvm/svm.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 4cb2920..df5b411 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1869,6 +1869,9 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data) case MSR_VM_HSAVE_PA: *data = svm->hsave_msr; break; + case MSR_VM_CR: + *data = 0; + break; default: return kvm_get_msr_common(vcpu, ecx, data); } -- 1.6.0.6