From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932774AbcHKHcL (ORCPT ); Thu, 11 Aug 2016 03:32:11 -0400 Received: from mga01.intel.com ([192.55.52.88]:38589 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932432AbcHKHcI convert rfc822-to-8bit (ORCPT ); Thu, 11 Aug 2016 03:32:08 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.28,503,1464678000"; d="scan'208";a="863544274" From: "Kang, Luwei" To: "kvm@vger.kernel.org" CC: "pbonzini@redhat.com" , "rkrcmar@redhat.com" , "tglx@linutronix.de" , "mingo@redhat.com" , "hpa@zytor.com" , "x86@kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH] KVM: x86: Expose more Intel AVX512 feature to guest Thread-Topic: [PATCH] KVM: x86: Expose more Intel AVX512 feature to guest Thread-Index: AQHR7JQwY5vYIIUK/UeLRIuobew78qBDatGw Date: Thu, 11 Aug 2016 07:32:02 +0000 Message-ID: <82D7661F83C1A047AF7DC287873BF1E136AEEE81@SHSMSX101.ccr.corp.intel.com> References: <1470124878-19361-1-git-send-email-luwei.kang@intel.com> In-Reply-To: <1470124878-19361-1-git-send-email-luwei.kang@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ctpclassification: CTP_IC x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiNTAzNTY5OWUtMzk4My00MzIwLTgyMDYtNjkyNDIwZTlkYThkIiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX0lDIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE1LjkuNi42IiwiVHJ1c3RlZExhYmVsSGFzaCI6InR6cGNJZWExUGNNR25ib2lhZ3g0M1hrSHE5N0o2Q1Z1a3RJMTRkN1J6VTg9In0= x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Expose AVX512DQ, AVX512BW, AVX512VL feature to guest. > Its spec can be found at: > https://software.intel.com/sites/default/files/managed/b4/3a/319433-024.pdf > > Signed-off-by: Luwei Kang > --- > 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 7597b42..a2d007c 100644 > --- a/arch/x86/kvm/cpuid.c > +++ b/arch/x86/kvm/cpuid.c > @@ -366,7 +366,8 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, > F(FSGSBASE) | F(BMI1) | F(HLE) | F(AVX2) | F(SMEP) | > F(BMI2) | F(ERMS) | f_invpcid | F(RTM) | f_mpx | F(RDSEED) | > F(ADX) | F(SMAP) | F(AVX512F) | F(AVX512PF) | F(AVX512ER) | > - F(AVX512CD) | F(CLFLUSHOPT) | F(CLWB) | F(PCOMMIT); > + F(AVX512CD) | F(CLFLUSHOPT) | F(CLWB) | F(PCOMMIT) | > + F(AVX512DQ) | F(AVX512BW) | F(AVX512VL); > Hi Paolo, What is your opinion? > /* cpuid 0xD.1.eax */ > const u32 kvm_cpuid_D_1_eax_x86_features = > -- > 2.7.4