From patchwork Sun Aug 23 11:56:01 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Avi Kivity X-Patchwork-Id: 43446 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n7NC7QfB005531 for ; Sun, 23 Aug 2009 12:07:36 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933792AbZHWMF7 (ORCPT ); Sun, 23 Aug 2009 08:05:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933530AbZHWL4s (ORCPT ); Sun, 23 Aug 2009 07:56:48 -0400 Received: from mx1.redhat.com ([209.132.183.28]:39712 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933518AbZHWL4q (ORCPT ); Sun, 23 Aug 2009 07:56:46 -0400 Received: from int-mx07.intmail.prod.int.phx2.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id n7NBumBc020742; Sun, 23 Aug 2009 07:56:48 -0400 Received: from cleopatra.tlv.redhat.com (cleopatra.tlv.redhat.com [10.35.255.11]) by int-mx07.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id n7NBukAh019506; Sun, 23 Aug 2009 07:56:47 -0400 Received: from localhost.localdomain (cleopatra.tlv.redhat.com [10.35.255.11]) by cleopatra.tlv.redhat.com (Postfix) with ESMTP id A4FC225004E; Sun, 23 Aug 2009 14:56:45 +0300 (IDT) From: Avi Kivity To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH 02/46] KVM: Ignore PCI ECS I/O enablement Date: Sun, 23 Aug 2009 14:56:01 +0300 Message-Id: <1251028605-31977-3-git-send-email-avi@redhat.com> In-Reply-To: <1251028605-31977-1-git-send-email-avi@redhat.com> References: <1251028605-31977-1-git-send-email-avi@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.20 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Andre Przywara Linux guests will try to enable access to the extended PCI config space via the I/O ports 0xCF8/0xCFC on AMD Fam10h CPU. Since we (currently?) don't use ECS, simply ignore write and read attempts. Signed-off-by: Andre Przywara 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 96f0ae7..af40e23 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -844,6 +844,8 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data) return 1; } break; + case MSR_AMD64_NB_CFG: + break; case MSR_IA32_DEBUGCTLMSR: if (!data) { /* We support the non-activated case already */ @@ -1049,6 +1051,7 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata) case MSR_P6_EVNTSEL1: case MSR_K7_EVNTSEL0: case MSR_K8_INT_PENDING_MSG: + case MSR_AMD64_NB_CFG: data = 0; break; case MSR_MTRRcap: