Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752780Ab0HTIQd (ORCPT ); Fri, 20 Aug 2010 04:16:33 -0400 Received: from mx1.redhat.com ([209.132.183.28]:44922 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751616Ab0HTIIK (ORCPT ); Fri, 20 Aug 2010 04:08:10 -0400 From: Zachary Amsden To: kvm@vger.kernel.org Cc: Zachary Amsden , Avi Kivity , Marcelo Tosatti , Glauber Costa , Thomas Gleixner , John Stultz , linux-kernel@vger.kernel.org Subject: [KVM timekeeping 04/35] Fix SVM VMCB reset Date: Thu, 19 Aug 2010 22:07:18 -1000 Message-Id: <1282291669-25709-5-git-send-email-zamsden@redhat.com> In-Reply-To: <1282291669-25709-1-git-send-email-zamsden@redhat.com> References: <1282291669-25709-1-git-send-email-zamsden@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 930 Lines: 29 On reset, VMCB TSC should be set to zero. Instead, code was setting tsc_offset to zero, which passes through the underlying TSC. Signed-off-by: Zachary Amsden --- arch/x86/kvm/svm.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 8d7ae20..74e4522 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -781,7 +781,7 @@ static void init_vmcb(struct vcpu_svm *svm) control->iopm_base_pa = iopm_base; control->msrpm_base_pa = __pa(svm->msrpm); - control->tsc_offset = 0; + kvm_write_tsc(&svm->vcpu, 0); control->int_ctl = V_INTR_MASKING_MASK; init_seg(&save->es); -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/