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[209.132.180.67]) by mx.google.com with ESMTP id l63si3405910oif.161.2020.03.18.04.27.32; Wed, 18 Mar 2020 04:27:44 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=Z4U2q1yq; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727764AbgCRL0n (ORCPT + 99 others); Wed, 18 Mar 2020 07:26:43 -0400 Received: from us-smtp-delivery-74.mimecast.com ([216.205.24.74]:22870 "EHLO us-smtp-delivery-74.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726486AbgCRL0n (ORCPT ); Wed, 18 Mar 2020 07:26:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1584530802; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5igz5ifXUjPW3HOZrUuMXCx1D9YbVzwpu9tICwFVMz4=; b=Z4U2q1yqXf1zch0EcDOVh3U1K+OMXJHFv7NTspfYcSFz8HI5JHMsF9zCPoaXvjPp423ArG cyPa+MdL0f1+HAhdeqiqzn2HPCVyjwO7X3UJrxueIPJndBeTANhEk6IcyJu9c21YfHQCLU AtQCkWk/Pq4RS+K+ckR+lzP+kx/Swhc= Received: from mail-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-203-nEYzvfKIM5GApIyD39elQg-1; Wed, 18 Mar 2020 07:26:40 -0400 X-MC-Unique: nEYzvfKIM5GApIyD39elQg-1 Received: by mail-wr1-f71.google.com with SMTP id l16so11473964wrr.6 for ; Wed, 18 Mar 2020 04:26:40 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=5igz5ifXUjPW3HOZrUuMXCx1D9YbVzwpu9tICwFVMz4=; b=IOQJk7/Zyo1KGP6Zb354a3iWy0IQu34Sa3WPPN4WD0cPZX1nFarYvmhajPraaI9to8 VhnqbfIsouSOsDz8YuE3sjrnqjB+w+0zK7Bm2Ty9zo3anebZGErPQsEoheOVBUpJ4sUL visYThOmohxJhKHE0r70ieUoDE/BkBWy+nJ3OWx3G2IL0OkjbsDdAuAZrMbrAP7dOBYN AeGu2WYqARKcFLdA5wpTHXu1KRxtEUIkzTywEfZAr+k+C3AnoPnUEcnTYrCku5zwfTrv nKHTKLHr3+pG6Q4qbqsPWR/w7d3wXR6uMEMgBwKLPPqcbTqS50WqbnLsYw5vegh2O74q F7Qg== X-Gm-Message-State: ANhLgQ0qR8ZlUf6EZJEyAf2Ts9/lswZvNgk7iSPbiLg7mNSWl7O3i3zt 7MKQpmvwvJl9yQVhhsXWakJRoQHSRPkF2G9BVrutfSi+ltumpXeRebjB00xMWyt3bVHJL/svjgn ms3F3QcfrNGUgCYn3ohkMaJOA X-Received: by 2002:adf:f807:: with SMTP id s7mr5040090wrp.49.1584530799360; Wed, 18 Mar 2020 04:26:39 -0700 (PDT) X-Received: by 2002:adf:f807:: with SMTP id s7mr5040067wrp.49.1584530799133; Wed, 18 Mar 2020 04:26:39 -0700 (PDT) Received: from [192.168.178.58] ([151.21.15.43]) by smtp.gmail.com with ESMTPSA id z12sm1721100wrt.27.2020.03.18.04.26.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 18 Mar 2020 04:26:38 -0700 (PDT) Subject: Re: [PATCH rebase] KVM: x86: Expose AVX512 VP2INTERSECT in cpuid for TGL To: Zhenyu Wang Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, "Zhong, Yang" References: <20200318032739.3745-1-zhenyuw@linux.intel.com> From: Paolo Bonzini Message-ID: <65e997c3-9ef9-d9f3-143e-0bc0823aad4f@redhat.com> Date: Wed, 18 Mar 2020 12:26:37 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <20200318032739.3745-1-zhenyuw@linux.intel.com> Content-Type: text/plain; charset=windows-1252 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 18/03/20 04:27, Zhenyu Wang wrote: > On Tigerlake new AVX512 VP2INTERSECT feature is available. > This trys to expose it for KVM supported cpuid. > > Cc: "Zhong, Yang" > Signed-off-by: Zhenyu Wang > --- > arch/x86/kvm/cpuid.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c > index 08280d8a2ac9..435a7da07d5f 100644 > --- a/arch/x86/kvm/cpuid.c > +++ b/arch/x86/kvm/cpuid.c > @@ -338,7 +338,7 @@ 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(MD_CLEAR) | F(AVX512_VP2INTERSECT) > ); > > /* TSC_ADJUST and ARCH_CAPABILITIES are emulated in software. */ > Queued, thanks. Paolo