From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932528Ab0LCKs2 (ORCPT ); Fri, 3 Dec 2010 05:48:28 -0500 Received: from db3ehsobe002.messaging.microsoft.com ([213.199.154.140]:25559 "EHLO DB3EHSOBE002.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932306Ab0LCKqY (ORCPT ); Fri, 3 Dec 2010 05:46:24 -0500 X-SpamScore: -2 X-BigFish: VPS-2(zzbb2cKzz1202hzz8275bhz32i691h668h61h) X-Spam-TCS-SCL: 0:0 X-Forefront-Antispam-Report: KIP:(null);UIP:(null);IPVD:NLI;H:ausb3twp02.amd.com;RD:none;EFVD:NLI X-WSS-ID: 0LCULWY-02-1EU-02 X-M-MSG: From: Joerg Roedel To: Avi Kivity , Marcelo Tosatti CC: , , Joerg Roedel Subject: [PATCH 08/12] KVM: SVM: Add clean-bit for DR6 and DR7 Date: Fri, 3 Dec 2010 11:45:55 +0100 Message-ID: <1291373159-4822-9-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1291373159-4822-1-git-send-email-joerg.roedel@amd.com> References: <1291373159-4822-1-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 This patch implements the clean-bit for the dr6 and dr7 debug registers in the vmcb. Signed-off-by: Joerg Roedel --- arch/x86/kvm/svm.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 1b35969..0517505 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -193,6 +193,7 @@ enum { VMCB_INTR, /* int_ctl, int_vector */ VMCB_NPT, /* npt_en, nCR3, gPAT */ VMCB_CR, /* CR0, CR3, CR4, EFER */ + VMCB_DR, /* DR6, DR7 */ VMCB_DIRTY_MAX, }; @@ -1484,6 +1485,8 @@ static void svm_guest_debug(struct kvm_vcpu *vcpu, struct kvm_guest_debug *dbg) else svm->vmcb->save.dr7 = vcpu->arch.dr7; + mark_dirty(svm->vmcb, VMCB_DR); + update_db_intercept(vcpu); } @@ -1506,6 +1509,7 @@ static void svm_set_dr7(struct kvm_vcpu *vcpu, unsigned long value) struct vcpu_svm *svm = to_svm(vcpu); svm->vmcb->save.dr7 = value; + mark_dirty(svm->vmcb, VMCB_DR); } static int pf_interception(struct vcpu_svm *svm) -- 1.7.1