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[23.128.96.18]) by mx.google.com with ESMTP id qo28si14392552ejb.527.2020.07.06.19.22.58; Mon, 06 Jul 2020 19:23:22 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728048AbgGGCWA (ORCPT + 99 others); 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: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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