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=-2.3 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 7D751C4BA24 for ; Thu, 27 Feb 2020 11:29:53 +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 5755924691 for ; Thu, 27 Feb 2020 11:29:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5755924691 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 1j7HMJ-0001Z3-Ec; Thu, 27 Feb 2020 11:29:39 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1j7HMH-0001Yy-84 for xen-devel@lists.xenproject.org; Thu, 27 Feb 2020 11:29:37 +0000 X-Inumbo-ID: 6ef48550-5954-11ea-964b-12813bfff9fa Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 6ef48550-5954-11ea-964b-12813bfff9fa; Thu, 27 Feb 2020 11:29:36 +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 F410AAC53; Thu, 27 Feb 2020 11:29:35 +0000 (UTC) To: Andrew Cooper References: <20200226202221.6555-1-andrew.cooper3@citrix.com> <20200226202221.6555-9-andrew.cooper3@citrix.com> <18c894ad-dbaa-2fd5-93e3-391cd3fee5c1@citrix.com> From: Jan Beulich Message-ID: <3546d0ce-51e2-8aa8-d2c4-d883ca784e9a@suse.com> Date: Thu, 27 Feb 2020 12:29:44 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <18c894ad-dbaa-2fd5-93e3-391cd3fee5c1@citrix.com> Content-Language: en-US Subject: Re: [Xen-devel] [PATCH 08/10] x86/cpuid: Introduce and use default CPUID policies 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: Xen-devel , Wei Liu , =?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" T24gMjcuMDIuMjAyMCAxMTo1NSwgQW5kcmV3IENvb3BlciB3cm90ZToKPiBPbiAyNy8wMi8yMDIw IDA4OjE5LCBKYW4gQmV1bGljaCB3cm90ZToKPj4gT24gMjYuMDIuMjAyMCAyMToyMiwgQW5kcmV3 IENvb3BlciB3cm90ZToKPj4+IEZvciBub3csIHRoZSBkZWZhdWx0IGFuZCBtYXggcG9saWNpZXMg cmVtYWluIGlkZW50aWNhbCwgYnV0IHRoaXMgd2lsbCBjaGFuZ2UKPj4+IGluIHRoZSBmdXR1cmUu ICBXcml0ZSBjYWxjdWxhdGVfe3B2LGh2bX1fZGVmX3BvbGljeSgpIGluIGEgd2F5IHdoaWNoIHdp bGwgY29wZQo+Pj4gd2l0aCBzaW1wbGUgZmVhdHVyZSBkaWZmZXJlbmNlcyBmb3Igbm93Lgo+Pj4K Pj4+IFVwZGF0ZSBYRU5fU1lTQ1RMX2dldF9jcHVfcG9saWN5IGFuZCBpbml0X2RvbWFpbl9jcHVp ZF9wb2xpY3koKSB0byB1c2UgdGhlCj4+PiBkZWZhdWx0IHBvbGljaWVzLgo+PiBGb3IgdGhlIHN5 c2N0bCB0aGUgc3RhdGVtZW50IGxvb2tzIHRvIGJlIGJyb2FkZXIgdGhhbiByZWFsaXR5LAo+PiBh cyAob2YgY291cnNlKSB5b3UgZG9uJ3QgdG91Y2ggWEVOX1NZU0NUTF9jcHVfcG9saWN5XypfbWF4 Lgo+IAo+IEknbSBhZnJhaWQgSSBkb24ndCB1bmRlcnN0YW5kIHdoYXQgeW91IG1lYW4gaGVyZS7C oCBXaGF0IHdvdWxkIEkgbmVlZCB0bwo+IHRvdWNoIGluIFhFTl9TWVNDVExfY3B1X3BvbGljeV8q X21heCBhdCBhbGw/CgpOb3RoaW5nLCBhbmQgaGVuY2UgbXkgInRvbyBicm9hZCIgcmVzcG9uc2Uu IE9ubHkgcGFydCBvZgpYRU5fU1lTQ1RMX2dldF9jcHVfcG9saWN5IGdldHMgdXBkYXRlZC4gQnV0 IHllcywgdGhpbmtpbmcgYWJvdXQgaXQKYWdhaW4sIEkgdGhpbmsgSSBzZWUgbm93IGhvdyB5b3Ug bWVhbiB0aGlzLiBTbyBuZXZlciBtaW5kLgoKPj4+IEBAIC0zODEsNiArMzg2LDIzIEBAIHN0YXRp YyB2b2lkIF9faW5pdCBjYWxjdWxhdGVfcHZfbWF4X3BvbGljeSh2b2lkKQo+Pj4gICAgICBwLT5l eHRkLnJhd1sweGFdID0gRU1QVFlfTEVBRjsgLyogTm8gU1ZNIGZvciBQViBndWVzdHMuICovCj4+ PiAgfQo+Pj4gIAo+Pj4gK3N0YXRpYyB2b2lkIF9faW5pdCBjYWxjdWxhdGVfcHZfZGVmX3BvbGlj eSh2b2lkKQo+Pj4gK3sKPj4+ICsgICAgc3RydWN0IGNwdWlkX3BvbGljeSAqcCA9ICZwdl9kZWZf Y3B1aWRfcG9saWN5Owo+Pj4gKyAgICB1aW50MzJfdCBwdl9mZWF0dXJlc2V0W0ZTQ0FQSU5UU107 Cj4+PiArICAgIHVuc2lnbmVkIGludCBpOwo+Pj4gKwo+Pj4gKyAgICAqcCA9IHB2X21heF9jcHVp ZF9wb2xpY3k7Cj4+PiArICAgIGNwdWlkX3BvbGljeV90b19mZWF0dXJlc2V0KHAsIHB2X2ZlYXR1 cmVzZXQpOwo+Pj4gKwo+Pj4gKyAgICBmb3IgKCBpID0gMDsgaSA8IEFSUkFZX1NJWkUocHZfZmVh dHVyZXNldCk7ICsraSApCj4+PiArICAgICAgICBwdl9mZWF0dXJlc2V0W2ldICY9IHB2X2RlZl9m ZWF0dXJlbWFza1tpXTsKPj4+ICsKPj4+ICsgICAgc2FuaXRpc2VfZmVhdHVyZXNldChwdl9mZWF0 dXJlc2V0KTsKPj4+ICsgICAgY3B1aWRfZmVhdHVyZXNldF90b19wb2xpY3kocHZfZmVhdHVyZXNl dCwgcCk7Cj4+PiArICAgIHJlY2FsY3VsYXRlX3hzdGF0ZShwKTsKPj4+ICt9Cj4+IElzIHRoZXJl IGEgcmVhc29uIHRoZSBjYWxsIHRvIGd1ZXN0X2NvbW1vbl9mZWF0dXJlX2FkanVzdG1lbnRzKCkK Pj4gaXMgbWlzc2luZyBoZXJlPwo+IAo+IFllcywgZm9yIHRoZSBzYW1lIHJlYXNvbiB0aGF0IG90 aGVyIGxvZ2ljIGlzIGRyb3BwZWQuwqAgSW5oZXJpdGluZyBmcm9tCj4gcHZfbWF4X2NwdWlkX3Bv bGljeSBtZWFucyB0aGF0IGl0IGhhcyBhbHJlYWR5IGJlZW4gcnVuIG9uIHRoaXMgb2JqZWN0Lgo+ IAo+IFRoZSBob3N0IHRvICpfbWF4IGRlcml2YXRpb24gaXMgbm9uLXRyaXZpYWwuwqAgU29tZSBm ZWF0dXJlcyBnZXQgYWRkZWQKPiBpbiwgb3RoZXJzIGFyZSBjb25kaXRpb25hbCBvbiBleHRlcm5h bCBmYWN0b3JzLsKgIFRoZSAqX21heCB0byAqX2RlZgo+IGRlcml2YXRpb24gaXMgbXVjaCBtb3Jl IHNpbXBsZSBpbiBjb21wYXJpc29uLgo+IAo+IExvbmcgdGVybSwgSSBleHBlY3QgdGhpcyBsb2dp YyB0byBtb3ZlIGludG8gbGlieDg2IGFuZCBmdXJ0aGVyIHNpbXBsaWZ5Cj4gY3B1aWQuYwo+IAo+ IEhvd2V2ZXIsIEknbSBub3Qgc3VyZSB3aHkgZ3Vlc3RfY29tbW9uX2ZlYXR1cmVfYWRqdXN0bWVu dHMoKSBpcyBzcGVjaWFsCj4gY29tcGFyZWQgdG8gdGhlIG90aGVyIHJlbW92ZWQgbG9naWMsIGFu ZCB3aHkgaXQgc2hvdWxkIGJlIGNhbGxlZCBvdXQuCgpXZWxsLCB0aGUgb2RkaXR5IGlzbid0IHdp dGggcmVtb3ZlZCBsb2dpYyAoYW5kIGluIGZhY3QgaW4gdGhpcyBwYXRjaCBJCmNhbid0IHNlZSBt dWNoIG9mIGEgcmVtb3ZhbCBvZiBhbnl0aGluZyksIGJ1dCB3aXRoIHRoZSBjYWxsIGJlaW5nIHRo ZXJlCmluIGNhbGN1bGF0ZV9odm1fZGVmX3BvbGljeSgpLiBUaGlzIGRpZmZlcmVuY2UsIGlmIGlu dGVudGlvbmFsLCBpcyB3aGF0CkkgdGhpbmsgbmVlZHMgY2FsbGluZyBvdXQuCgpKYW4KCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWls aW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVu cHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=