From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752683AbcHKNYJ (ORCPT ); Thu, 11 Aug 2016 09:24:09 -0400 Received: from mx6-phx2.redhat.com ([209.132.183.39]:35559 "EHLO mx6-phx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751839AbcHKNYH (ORCPT ); Thu, 11 Aug 2016 09:24:07 -0400 Date: Thu, 11 Aug 2016 09:24:00 -0400 (EDT) From: Paolo Bonzini To: Luwei Kang Cc: kvm@vger.kernel.org, rkrcmar@redhat.com, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, linux-kernel@vger.kernel.org Message-ID: <524707457.1177454.1470921840115.JavaMail.zimbra@redhat.com> In-Reply-To: <82D7661F83C1A047AF7DC287873BF1E136AEEE81@SHSMSX101.ccr.corp.intel.com> References: <1470124878-19361-1-git-send-email-luwei.kang@intel.com> <82D7661F83C1A047AF7DC287873BF1E136AEEE81@SHSMSX101.ccr.corp.intel.com> Subject: Re: [PATCH] KVM: x86: Expose more Intel AVX512 feature to guest MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [10.4.164.1, 10.5.100.50] X-Mailer: Zimbra 8.0.6_GA_5922 (ZimbraWebClient - FF47 (Linux)/8.0.6_GA_5922) Thread-Topic: [PATCH] KVM: x86: Expose more Intel AVX512 feature to guest Thread-Index: AQHR7JQwY5vYIIUK/UeLRIuobew78qBDatGwyKC+ifU= 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? Hi, the patch was sent too late for 4.8 so I just ignored it. :) Radim is handling the tree now and I guess he'll get to it in the next few days. It's a trivial patch, so I don't expect any issue. Paolo