From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932754AbZHZKlR (ORCPT ); Wed, 26 Aug 2009 06:41:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757334AbZHZKkx (ORCPT ); Wed, 26 Aug 2009 06:40:53 -0400 Received: from mx1.redhat.com ([209.132.183.28]:3412 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756807AbZHZKaL (ORCPT ); Wed, 26 Aug 2009 06:30:11 -0400 From: Avi Kivity To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH 06/47] KVM: ignore reads to perfctr msrs Date: Wed, 26 Aug 2009 13:29:28 +0300 Message-Id: <1251282609-12835-7-git-send-email-avi@redhat.com> In-Reply-To: <1251282609-12835-1-git-send-email-avi@redhat.com> References: <1251282609-12835-1-git-send-email-avi@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Amit Shah We ignore writes to the perfctr msrs. Ignore reads as well. Kaspersky antivirus crashes Windows guests if it can't read these MSRs. Signed-off-by: Amit Shah Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 92b5edd..132c510 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1048,9 +1048,12 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata) case MSR_K8_SYSCFG: case MSR_K7_HWCR: case MSR_VM_HSAVE_PA: + case MSR_P6_PERFCTR0: + case MSR_P6_PERFCTR1: case MSR_P6_EVNTSEL0: case MSR_P6_EVNTSEL1: case MSR_K7_EVNTSEL0: + case MSR_K7_PERFCTR0: case MSR_K8_INT_PENDING_MSG: case MSR_AMD64_NB_CFG: case MSR_FAM10H_MMIO_CONF_BASE: -- 1.6.4.1