Received: by 10.192.165.148 with SMTP id m20csp331596imm; Wed, 2 May 2018 00:41:52 -0700 (PDT) X-Google-Smtp-Source: AB8JxZraSUbjHR7Adh3Xc8VSHj80JtsJfpAZKjNywlEtnUc7vsfQhEzBBetYTlyS3+F+roaiFuiO X-Received: by 2002:a63:2fc3:: with SMTP id v186-v6mr8484772pgv.42.1525246912367; Wed, 02 May 2018 00:41:52 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1525246912; cv=none; d=google.com; s=arc-20160816; b=pGctncPa/uuyRH6MxkQd46KrGudpaEwFT3oRX4/IhaCu7OgWxj9NnLqu2WZ0C/Yvys XbI45KB5NvRB11SKzKt8bYPwfEOjShXzV7hxzE8w3A0Oq96EfUoRmeI4FFNzllu24U4Y FrNg8wEnlQ+hPlQWECP4fNnjPisGxrl+GNFdBpObXS5Xlt0NTOQkExznA0kmHY7LYjJw eFffIPCMVDs2h4HuEPcHK25yat+aA3Jp8Vgv/Tf/H4xfbqmEn1mND6N+IGK697+qnAJN Yk8ww2RCh6X9/bnt7EJrRYbX8T9sAvN0G1Cdw3pC8AjgPkVtW2Xl9lymJTmh+uZVOrqq X49g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:message-id :in-reply-to:date:references:subject:cc:to:from :arc-authentication-results; bh=fNriEXRF+x0SwMi9cQfdrPdc2oEcC+YnheeuoGDmIYw=; b=OmCk3dZsJmY9tz1xs/m6RumZ4UXhozGsjhYYruULAZdBtyMa54yY/l1fPEFyx/aj/j 3yuXw+DAcgMe7Jzx71xRvqPtPOHXXm8/8/G9S1dyltYUi7IeMjPv5lDUFTuJTGvzSSS+ TbLgfWeMdVrOu842rnViMAYuphZ2nshHXT1cYuAzCbWze52pT1kLg8QJSLaCiidrV1li MU6EAk4SqiHhJFFY5Ciz89yv59Xow5nSDQWGGp1t+TvyWWmWq/SBFhYSQZMy+o3yA3To n7cK7rDHUNKmsWRGfHIuySuqFGWQ59kN5aV0SHDIBZaQAsldn+Ui7Lgdfuvs4lviYPzN NQGQ== ARC-Authentication-Results: i=1; mx.google.com; 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=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f28-v6si11903823plj.255.2018.05.02.00.41.38; Wed, 02 May 2018 00:41:52 -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; 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=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751423AbeEBHlR (ORCPT + 99 others); Wed, 2 May 2018 03:41:17 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:51780 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751346AbeEBHlO (ORCPT ); Wed, 2 May 2018 03:41:14 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9B722406C796; Wed, 2 May 2018 07:41:13 +0000 (UTC) Received: from vitty.brq.redhat.com.redhat.com (unknown [10.43.2.155]) by smtp.corp.redhat.com (Postfix) with ESMTPS id D11066353F; Wed, 2 May 2018 07:41:11 +0000 (UTC) From: Vitaly Kuznetsov To: Paolo Bonzini , Radim =?utf-8?B?S3LEjW3DocWZ?= , kvm@vger.kernel.org Cc: x86@kernel.org, Roman Kagan , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , "Michael Kelley \(EOSG\)" , Mohammed Gamal , Cathy Avery , linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 0/6] KVM: x86: hyperv: PV TLB flush for Windows guests References: <20180416110806.4896-1-vkuznets@redhat.com> Date: Wed, 02 May 2018 09:41:10 +0200 In-Reply-To: <20180416110806.4896-1-vkuznets@redhat.com> (Vitaly Kuznetsov's message of "Mon, 16 Apr 2018 13:08:00 +0200") Message-ID: <87y3h2sdwp.fsf@vitty.brq.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Wed, 02 May 2018 07:41:13 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Wed, 02 May 2018 07:41:13 +0000 (UTC) for IP:'10.11.54.5' DOMAIN:'int-mx05.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'vkuznets@redhat.com' RCPT:'' Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Vitaly Kuznetsov writes: > > Qemu (and other userspaces) need to enable CPUID feature bits to make > Windows aware the feature is supported. I'll post Qemu enablement patch > separately. Radim, Paolo, I'd like to send Qemu feature enablement patch for this feature but before I do that I'd like to get your feedback on this series. Thanks! -- Vitaly