From patchwork Fri Feb 21 17:55:47 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Liu, Jinsong" X-Patchwork-Id: 322979 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id F0E2D2C0331 for ; Sat, 22 Feb 2014 04:56:26 +1100 (EST) Received: from localhost ([::1]:46177 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WGuKm-0007fG-RY for incoming@patchwork.ozlabs.org; Fri, 21 Feb 2014 12:56:24 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54737) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WGuKN-0007en-6c for qemu-devel@nongnu.org; Fri, 21 Feb 2014 12:56:04 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WGuKI-0002N6-6M for qemu-devel@nongnu.org; Fri, 21 Feb 2014 12:55:59 -0500 Received: from mga01.intel.com ([192.55.52.88]:39689) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WGuKI-0002Mk-1M for qemu-devel@nongnu.org; Fri, 21 Feb 2014 12:55:54 -0500 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 21 Feb 2014 09:55:53 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,520,1389772800"; d="scan'208,223";a="485606025" Received: from fmsmsx106.amr.corp.intel.com ([10.19.9.37]) by fmsmga002.fm.intel.com with ESMTP; 21 Feb 2014 09:55:51 -0800 Received: from fmsmsx154.amr.corp.intel.com (10.18.116.70) by FMSMSX106.amr.corp.intel.com (10.19.9.37) with Microsoft SMTP Server (TLS) id 14.3.123.3; Fri, 21 Feb 2014 09:55:51 -0800 Received: from shsmsx102.ccr.corp.intel.com (10.239.4.154) by FMSMSX154.amr.corp.intel.com (10.18.116.70) with Microsoft SMTP Server (TLS) id 14.3.123.3; Fri, 21 Feb 2014 09:55:50 -0800 Received: from shsmsx101.ccr.corp.intel.com ([169.254.1.26]) by SHSMSX102.ccr.corp.intel.com ([10.239.4.154]) with mapi id 14.03.0123.003; Sat, 22 Feb 2014 01:55:47 +0800 From: "Liu, Jinsong" To: Paolo Bonzini Thread-Topic: [PATCH v4 2/3] KVM: x86: add MSR_IA32_BNDCFGS to msrs_to_save Thread-Index: Ac8vLiYATjj1h4DwSXOSL0K4eXhHUw== Date: Fri, 21 Feb 2014 17:55:47 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.88 Cc: "qemu-devel@nongnu.org" , "linux-kernel@vger.kernel.org" , "kvm@vger.kernel.org" , "gleb@redhat.com" , "hpa@zytor.com" Subject: [Qemu-devel] [PATCH v4 2/3] KVM: x86: add MSR_IA32_BNDCFGS to msrs_to_save X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From 7d1b41c3fdf71e4c73280e117948102f54f74be7 Mon Sep 17 00:00:00 2001 From: Liu Jinsong Date: Sat, 22 Feb 2014 08:10:17 +0800 Subject: [PATCH v4 2/3] KVM: x86: add MSR_IA32_BNDCFGS to msrs_to_save Add MSR_IA32_BNDCFGS to msrs_to_save, and corresponding logic to kvm_get/set_msr(). Signed-off-by: Liu Jinsong --- arch/x86/kvm/vmx.c | 6 ++++++ arch/x86/kvm/x86.c | 2 +- 2 files changed, 7 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 35d285f..2839c2f 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2484,6 +2484,9 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata) case MSR_IA32_SYSENTER_ESP: data = vmcs_readl(GUEST_SYSENTER_ESP); break; + case MSR_IA32_BNDCFGS: + data = vmcs_readl(GUEST_BNDCFGS); + break; case MSR_IA32_FEATURE_CONTROL: if (!nested_vmx_allowed(vcpu)) return 1; @@ -2552,6 +2555,9 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) case MSR_IA32_SYSENTER_ESP: vmcs_writel(GUEST_SYSENTER_ESP, data); break; + case MSR_IA32_BNDCFGS: + vmcs_writel(GUEST_BNDCFGS, data); + break; case MSR_IA32_TSC: kvm_write_tsc(vcpu, msr_info); break; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 7c52acb..89e4e27 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -882,7 +882,7 @@ static u32 msrs_to_save[] = { MSR_CSTAR, MSR_KERNEL_GS_BASE, MSR_SYSCALL_MASK, MSR_LSTAR, #endif MSR_IA32_TSC, MSR_IA32_CR_PAT, MSR_VM_HSAVE_PA, - MSR_IA32_FEATURE_CONTROL + MSR_IA32_FEATURE_CONTROL, MSR_IA32_BNDCFGS }; static unsigned num_msrs_to_save;