From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=0.1 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6584FC43142 for ; Fri, 22 Jun 2018 09:52:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 28C6023FC2 for ; Fri, 22 Jun 2018 09:52:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 28C6023FC2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=alien8.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754541AbeFVJwA (ORCPT ); Fri, 22 Jun 2018 05:52:00 -0400 Received: from mail.skyhub.de ([5.9.137.197]:41138 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754177AbeFVJvQ (ORCPT ); Fri, 22 Jun 2018 05:51:16 -0400 X-Virus-Scanned: Nedap ESD1 at mail.skyhub.de Received: from mail.skyhub.de ([127.0.0.1]) by localhost (blast.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 69WrBG1Jg2ba; Fri, 22 Jun 2018 11:51:15 +0200 (CEST) Received: from zn.tnic (p200300EC2BCF3400329C23FFFEA6A903.dip0.t-ipconnect.de [IPv6:2003:ec:2bcf:3400:329c:23ff:fea6:a903]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 59F0C1EC0236; Fri, 22 Jun 2018 11:51:15 +0200 (CEST) From: Borislav Petkov To: KVM Cc: Joerg Roedel , Tom Lendacky , Tony Luck , Yazen Ghannam , LKML Subject: [PATCH 1/3] kvm/x86: Move MSR_K7_HWCR to svm.c Date: Fri, 22 Jun 2018 11:50:59 +0200 Message-Id: <20180622095101.32587-2-bp@alien8.de> X-Mailer: git-send-email 2.17.0.582.gccdcbd54c In-Reply-To: <20180622095101.32587-1-bp@alien8.de> References: <20180622095101.32587-1-bp@alien8.de> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Borislav Petkov This is an AMD-specific MSR. Put it where it belongs. Signed-off-by: Borislav Petkov --- arch/x86/kvm/svm.c | 14 ++++++++++++++ arch/x86/kvm/x86.c | 12 ------------ 2 files changed, 14 insertions(+), 12 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index f059a73f0fd0..72e60daf3ab8 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -4153,6 +4153,9 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) case MSR_F10H_DECFG: msr_info->data = svm->msr_decfg; break; + case MSR_K7_HWCR: + msr_info->data = 0; + break; default: return kvm_get_msr_common(vcpu, msr_info); } @@ -4357,6 +4360,17 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr) svm->msr_decfg = data; break; } + case MSR_K7_HWCR: + data &= ~(u64)0x40; /* ignore flush filter disable */ + data &= ~(u64)0x100; /* ignore ignne emulation enable */ + data &= ~(u64)0x8; /* ignore TLB cache disable */ + data &= ~(u64)0x40000; /* ignore Mc status write enable */ + if (data != 0) { + vcpu_unimpl(vcpu, "unimplemented HWCR wrmsr: 0x%llx\n", + data); + return 1; + } + break; case MSR_IA32_APICBASE: if (kvm_vcpu_apicv_active(vcpu)) avic_update_vapic_bar(to_svm(vcpu), data); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 0046aa70205a..3bf721c22124 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2317,17 +2317,6 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) break; case MSR_EFER: return set_efer(vcpu, data); - case MSR_K7_HWCR: - data &= ~(u64)0x40; /* ignore flush filter disable */ - data &= ~(u64)0x100; /* ignore ignne emulation enable */ - data &= ~(u64)0x8; /* ignore TLB cache disable */ - data &= ~(u64)0x40000; /* ignore Mc status write enable */ - if (data != 0) { - vcpu_unimpl(vcpu, "unimplemented HWCR wrmsr: 0x%llx\n", - data); - return 1; - } - break; case MSR_FAM10H_MMIO_CONF_BASE: if (data != 0) { vcpu_unimpl(vcpu, "unimplemented MMIO_CONF_BASE wrmsr: " @@ -2597,7 +2586,6 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) case MSR_K8_SYSCFG: case MSR_K8_TSEG_ADDR: case MSR_K8_TSEG_MASK: - case MSR_K7_HWCR: case MSR_VM_HSAVE_PA: case MSR_K8_INT_PENDING_MSG: case MSR_AMD64_NB_CFG: -- 2.17.0.582.gccdcbd54c