From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755630Ab1GMPdT (ORCPT ); Wed, 13 Jul 2011 11:33:19 -0400 Received: from tx2ehsobe001.messaging.microsoft.com ([65.55.88.11]:55350 "EHLO TX2EHSOBE001.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755394Ab1GMPdQ (ORCPT ); Wed, 13 Jul 2011 11:33:16 -0400 X-SpamScore: 1 X-BigFish: VPS1(zzzz1202hzz8275dhz32i668h839h62h) X-Spam-TCS-SCL: 1:0 X-Forefront-Antispam-Report: CIP:163.181.249.108;KIP:(null);UIP:(null);IPVD:NLI;H:ausb3twp01.amd.com;RD:none;EFVD:NLI X-WSS-ID: 0LOA37B-01-0C5-02 X-M-MSG: From: Joerg Roedel To: Avi Kivity , Marcelo Tosatti CC: , , Joerg Roedel Subject: [PATCH 1/7] KVM: SVM: Keep seperate pointer to host-vmcb Date: Wed, 13 Jul 2011 17:32:19 +0200 Message-ID: <1310571145-28930-2-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1310571145-28930-1-git-send-email-joerg.roedel@amd.com> References: <1310571145-28930-1-git-send-email-joerg.roedel@amd.com> MIME-Version: 1.0 Content-Type: text/plain X-OriginatorOrg: amd.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Joerg Roedel This patch introduces a new pointer which always points to the VMCB used for running the L1 guest. Signed-off-by: Joerg Roedel --- arch/x86/kvm/svm.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 475d1c9..3d5990f 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -113,7 +113,9 @@ static u32 msrpm_offsets[MSRPM_OFFSETS] __read_mostly; struct vcpu_svm { struct kvm_vcpu vcpu; struct vmcb *vmcb; + struct vmcb *host_vmcb; unsigned long vmcb_pa; + unsigned long host_vmcb_pa; struct svm_cpu_data *svm_data; uint64_t asid_generation; uint64_t sysenter_esp; @@ -1171,9 +1173,11 @@ static struct kvm_vcpu *svm_create_vcpu(struct kvm *kvm, unsigned int id) svm->nested.msrpm = page_address(nested_msrpm_pages); svm_vcpu_init_msrpm(svm->nested.msrpm); - svm->vmcb = page_address(page); + svm->host_vmcb = page_address(page); + svm->vmcb = svm->host_vmcb; clear_page(svm->vmcb); svm->vmcb_pa = page_to_pfn(page) << PAGE_SHIFT; + svm->host_vmcb_pa = page_to_pfn(page) << PAGE_SHIFT; svm->asid_generation = 0; init_vmcb(svm); kvm_write_tsc(&svm->vcpu, 0); -- 1.7.4.1