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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 BAB46C433E0 for ; Sun, 5 Jul 2020 23:05:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 946CD20672 for ; Sun, 5 Jul 2020 23:05:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728200AbgGEXFP (ORCPT ); Sun, 5 Jul 2020 19:05:15 -0400 Received: from mga03.intel.com ([134.134.136.65]:22784 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727894AbgGEXFO (ORCPT ); Sun, 5 Jul 2020 19:05:14 -0400 IronPort-SDR: VOVMWviFO37RDzzpSM0bmV6LXAaK9v2Z81m68Jc3Nx6KeF9KLxvR9cdtLo5DWGVnh41Ajs/TlE oLhhhX/IjmLA== X-IronPort-AV: E=McAfee;i="6000,8403,9673"; a="147344300" X-IronPort-AV: E=Sophos;i="5.75,317,1589266800"; d="scan'208";a="147344300" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jul 2020 16:05:14 -0700 IronPort-SDR: 9LV4qFlyhOvhAOBOvB5Uq/5HXG6Xbdx9cDw/YOwQc5uGholCwoOrqfv5Uv06ywx+SbcBUciWWM 8BbybVNyMZIA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,317,1589266800"; d="scan'208";a="388043373" Received: from unknown (HELO localhost.localdomain.bj.intel.com) ([10.238.156.127]) by fmsmga001.fm.intel.com with ESMTP; 05 Jul 2020 16:05:10 -0700 From: Cathy Zhang To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org Cc: pbonzini@redhat.com, sean.j.christopherson@intel.com, vkuznets@redhat.com, wanpengli@tencent.com, jmattson@google.com, joro@8bytes.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, ricardo.neri-calderon@linux.intel.com, kyung.min.park@intel.com, Cathy Zhang Subject: [PATCH 1/2] x86: Expose SERIALIZE for supported cpuid Date: Mon, 6 Jul 2020 06:59:51 +0800 Message-Id: <1593989992-10019-2-git-send-email-cathy.zhang@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1593989992-10019-1-git-send-email-cathy.zhang@intel.com> References: <1593989992-10019-1-git-send-email-cathy.zhang@intel.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org SERIALIZE instruction is supported by intel processors, like Sapphire Rapids. Expose it in KVM supported cpuid. The SERIALIZE enumeration kernel patch link is as follows: https://lore.kernel.org/patchwork/patch/1254757/ Signed-off-by: Cathy Zhang --- arch/x86/kvm/cpuid.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 8a294f9..e603aeb 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -341,7 +341,8 @@ void kvm_set_cpu_caps(void) kvm_cpu_cap_mask(CPUID_7_EDX, F(AVX512_4VNNIW) | F(AVX512_4FMAPS) | F(SPEC_CTRL) | F(SPEC_CTRL_SSBD) | F(ARCH_CAPABILITIES) | F(INTEL_STIBP) | - F(MD_CLEAR) | F(AVX512_VP2INTERSECT) | F(FSRM) + F(MD_CLEAR) | F(AVX512_VP2INTERSECT) | F(FSRM) | + F(SERIALIZE) ); /* TSC_ADJUST and ARCH_CAPABILITIES are emulated in software. */ -- 1.8.3.1