From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6BEBEC2D0C2 for ; Fri, 3 Jan 2020 16:14:22 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 41B8A222C4 for ; Fri, 3 Jan 2020 16:14:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 41B8A222C4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1inPaS-0007CA-0Y; Fri, 03 Jan 2020 16:14:08 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1inPaR-0007C5-8P for xen-devel@lists.xenproject.org; Fri, 03 Jan 2020 16:14:07 +0000 X-Inumbo-ID: 0bc8d548-2e44-11ea-88e7-bc764e2007e4 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 0bc8d548-2e44-11ea-88e7-bc764e2007e4; Fri, 03 Jan 2020 16:13:58 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 94806AC3F; Fri, 3 Jan 2020 16:13:57 +0000 (UTC) To: Wei Liu References: <20191229183341.14877-1-liuwe@microsoft.com> <20191229183341.14877-3-liuwe@microsoft.com> From: Jan Beulich Message-ID: Date: Fri, 3 Jan 2020 17:14:40 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US Subject: Re: [Xen-devel] [PATCH 2/8] x86/hyperv: detect absolutely necessary MSRs X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Wei Liu , Andrew Cooper , Michael Kelley , Paul Durrant , Xen Development List , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMDMuMDEuMjAyMCAxMjowMSwgUGF1bCBEdXJyYW50IHdyb3RlOgo+IE9uIFN1biwgMjkgRGVj IDIwMTkgYXQgMTg6MzQsIFdlaSBMaXUgPHdsQHhlbi5vcmc+IHdyb3RlOgo+PiAtLS0gYS94ZW4v YXJjaC94ODYvZ3Vlc3QvaHlwZXJ2L2h5cGVydi5jCj4+ICsrKyBiL3hlbi9hcmNoL3g4Ni9ndWVz dC9oeXBlcnYvaHlwZXJ2LmMKPj4gQEAgLTMyLDYgKzMyLDggQEAgc3RhdGljIGNvbnN0IHN0cnVj dCBoeXBlcnZpc29yX29wcyBvcHMgPSB7Cj4+ICBjb25zdCBzdHJ1Y3QgaHlwZXJ2aXNvcl9vcHMg Kl9faW5pdCBoeXBlcnZfcHJvYmUodm9pZCkKPj4gIHsKPj4gICAgICB1aW50MzJfdCBlYXgsIGVi eCwgZWN4LCBlZHg7Cj4+ICsgICAgdWludDY0X3QgcmVxdWlyZWRfbXNycyA9IEhWX1g2NF9NU1Jf SFlQRVJDQUxMX0FWQUlMQUJMRSB8Cj4+ICsgICAgICAgIEhWX1g2NF9NU1JfVlBfSU5ERVhfQVZB SUxBQkxFOwo+Pgo+PiAgICAgIGNwdWlkKDB4NDAwMDAwMDAsICZlYXgsICZlYngsICZlY3gsICZl ZHgpOwo+PiAgICAgIGlmICggISgoZWJ4ID09IDB4NzI2MzY5NGQpICYmICAvKiAiTWljciIgKi8K Pj4gQEAgLTU3LDYgKzU5LDE1IEBAIGNvbnN0IHN0cnVjdCBoeXBlcnZpc29yX29wcyAqX19pbml0 IGh5cGVydl9wcm9iZSh2b2lkKQo+PiAgICAgIG1zX2h5cGVydi5tYXhfdnBfaW5kZXggPSBlYXg7 Cj4+ICAgICAgbXNfaHlwZXJ2Lm1heF9scF9pbmRleCA9IGVieDsKPj4KPj4gKyAgICBpZiAoICht c19oeXBlcnYuZmVhdHVyZXMgJiByZXF1aXJlZF9tc3JzKSAhPSByZXF1aXJlZF9tc3JzICkKPj4g KyAgICB7Cj4+ICsgICAgICAgIC8qIE9vcHMsIHJlcXVpcmVkIE1TUnMgYXJlIG5vdCBhdmFpbGFi bGUuIFRyZWF0IHRoaXMgYXMKPj4gKyAgICAgICAgICogIkh5cGVyLVYgaXMgbm90IGF2YWlsYWJs ZSIuCj4+ICsgICAgICAgICAqLwo+IAo+IFRoYXQgYmxvY2sgY29tbWVudCB2aW9sYXRlcyBkZWZh dWx0IGNvZGluZyBzdHlsZS4KCkFuZCB3aXRoIGl0IGNvcnJlY3RlZApBY2tlZC1ieTogSmFuIEJl dWxpY2ggPGpiZXVsaWNoQHN1c2UuY29tPgoKSmFuCgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBs aXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4v bGlzdGluZm8veGVuLWRldmVs