From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759598AbZBZOV3 (ORCPT ); Thu, 26 Feb 2009 09:21:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754499AbZBZOQM (ORCPT ); Thu, 26 Feb 2009 09:16:12 -0500 Received: from mx2.redhat.com ([66.187.237.31]:43059 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754376AbZBZOPl (ORCPT ); Thu, 26 Feb 2009 09:15:41 -0500 From: Avi Kivity To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH 33/40] KVM: Fallback support for MSR_VM_HSAVE_PA Date: Thu, 26 Feb 2009 16:15:23 +0200 Message-Id: <1235657730-27683-34-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 Since we advertise MSR_VM_HSAVE_PA, userspace will attempt to read it even on Intel. Implement fake support for this MSR to avoid the warnings. Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 2a4f3a6..c3fbe8c 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -742,6 +742,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data) break; case MSR_IA32_UCODE_REV: case MSR_IA32_UCODE_WRITE: + case MSR_VM_HSAVE_PA: break; case 0x200 ... 0x2ff: return set_msr_mtrr(vcpu, msr, data); @@ -863,6 +864,7 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata) case MSR_IA32_LASTBRANCHTOIP: case MSR_IA32_LASTINTFROMIP: case MSR_IA32_LASTINTTOIP: + case MSR_VM_HSAVE_PA: data = 0; break; case MSR_MTRRcap: -- 1.6.0.6