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=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 6D697C433DF for ; Tue, 7 Jul 2020 02:22:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 51B1D20722 for ; Tue, 7 Jul 2020 02:22:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728025AbgGGCWA (ORCPT ); Mon, 6 Jul 2020 22:22:00 -0400 Received: from mga06.intel.com ([134.134.136.31]:19834 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727102AbgGGCV7 (ORCPT ); Mon, 6 Jul 2020 22:21:59 -0400 IronPort-SDR: 2eEKm4TVWvNgP5GAPwt8Bg+UZHD/+Tdq/bHOoPOUpar99o182OH1oAA630D8WEcD5uV/cjR/hJ SopAWnksGBZA== X-IronPort-AV: E=McAfee;i="6000,8403,9674"; a="209050433" X-IronPort-AV: E=Sophos;i="5.75,321,1589266800"; d="scan'208";a="209050433" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jul 2020 19:21:59 -0700 IronPort-SDR: 4ERrEDINsxnxPLeqOLojP+YMLwK87zHEhl0GpaJTYdIABBbGTyrROU8ewer/kLcaG6jWQEA9Nl 5Y8H8Gde7ncw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,321,1589266800"; d="scan'208";a="357633753" Received: from unknown (HELO localhost.localdomain.bj.intel.com) ([10.238.156.127]) by orsmga001.jf.intel.com with ESMTP; 06 Jul 2020 19:21:54 -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, jpoimboe@redhat.com, gregkh@linuxfoundation.org, ak@linux.intel.com, dave.hansen@intel.com, tony.luck@intel.com, ravi.v.shankar@intel.com, Cathy Zhang Subject: [PATCH v2 3/4] x86: Expose SERIALIZE for supported cpuid Date: Tue, 7 Jul 2020 10:16:22 +0800 Message-Id: <1594088183-7187-4-git-send-email-cathy.zhang@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1594088183-7187-1-git-send-email-cathy.zhang@intel.com> References: <1594088183-7187-1-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. 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