Received: by 2002:ac0:a582:0:0:0:0:0 with SMTP id m2-v6csp3058871imm; Sun, 7 Oct 2018 19:06:58 -0700 (PDT) X-Google-Smtp-Source: ACcGV60ZUH8iwiahMv4gAUTNYPnyzxphDJDOBip9JZQXNWvD7NhRaOf6ITcR6xSZgF6yk0Jf+dSO X-Received: by 2002:a17:902:2:: with SMTP id 2-v6mr22402736pla.178.1538964418115; Sun, 07 Oct 2018 19:06:58 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1538964418; cv=none; d=google.com; s=arc-20160816; b=K6i2Jvu73jRxaGB3UYKMD2muX97OO5lq+bHpi/hVVqGdtAoJvnW9+Gz6TrCTEl32N8 V24EEBNlNYajBv7lQ4UWy5y00IDHNC5nBs+AJNLe6gaGCQ7fMuU4ceZDfTYm/F7Yc3qw pn42HyrcnvWP/n6FEFY7L7nvLwMIgJ6XcZN3ZjFM81rbzwIf9Wlz4Y64j3e08kfqxiSA xVMWmW1801jCK9Eh07ISSb2ArUYxqvcBSiLYDdgsAiYkFpd1lp85o4UzJI6mQvLWw5NP jQ2cUqGpbrz+iuUjUD1NVpKZyUjNlwfYeaZTex5Bog7dXffNq+yQzP662X3bRQ1jiMJR 1BTw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :spamdiagnosticmetadata:spamdiagnosticoutput:content-language :accept-language:in-reply-to:references:message-id:date:thread-index :thread-topic:subject:cc:to:from:dkim-signature; bh=qidqsxXjWEX+bnO1M0AmfSm45D3QEoe24gqh4qHiibE=; b=MeN1v6h4+zQwyoSIaM+Mzoatbgx3NeYEKaC+zHzh8Mt1G/fnETROIVVlDOGQR01oPf avX32SMoNhjeSvkv4PmYO9GRCgexOZP8zSwPz6+sRSxYcql/CFyTaJe3c/Ud0teLlRZx kagWDNrlOtO3Xj6Xy6rxbJM/MWqhVhxYoPVwWK9KodGMEKkvQoHlyu2rr0jEMoRjNs3a 1NJOR1PZl5iW0yRC/Ku3LQngaZoxgq3kYEFupjqinjd5U+NDnUQWNK/dpNoANQCFw5h3 IW4IKUr3kviad1YY+2q/ZDkin3xckfAaXCAZNdd/jWTHT8TcosqhYH+sKK8I/jEXPcw6 /5uQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@amdcloud.onmicrosoft.com header.s=selector1-amd-com header.b="2PCb6/N/"; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id s21-v6si15795329pgj.90.2018.10.07.19.06.42; Sun, 07 Oct 2018 19:06:58 -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=@amdcloud.onmicrosoft.com header.s=selector1-amd-com header.b="2PCb6/N/"; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726670AbeJHIew (ORCPT + 99 others); Mon, 8 Oct 2018 04:34:52 -0400 Received: from mail-eopbgr690062.outbound.protection.outlook.com ([40.107.69.62]:62136 "EHLO NAM04-CO1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726445AbeJHIew (ORCPT ); Mon, 8 Oct 2018 04:34:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amdcloud.onmicrosoft.com; s=selector1-amd-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=qidqsxXjWEX+bnO1M0AmfSm45D3QEoe24gqh4qHiibE=; b=2PCb6/N/QSYLn8QtmBNHSpbQRBtoPRSwHF5JGMCkqqIDZw2aTU77uN6hCD2NzJeLW6Xb1COlsgZBx79S4vAOJoAGMr1hVTPxQHqOjMa+cUhqiK5YmvD4UOZNvEjA7eHvnlCRUwtCq/sh57Effdh0RNSBh0Izxcsv+GuI0hRceRo= Received: from DM5PR12MB2471.namprd12.prod.outlook.com (52.132.141.138) by DM5PR12MB1178.namprd12.prod.outlook.com (10.168.236.149) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1207.23; Mon, 8 Oct 2018 01:25:36 +0000 Received: from DM5PR12MB2471.namprd12.prod.outlook.com ([fe80::bd60:9d30:b818:b828]) by DM5PR12MB2471.namprd12.prod.outlook.com ([fe80::bd60:9d30:b818:b828%2]) with mapi id 15.20.1207.024; Mon, 8 Oct 2018 01:25:36 +0000 From: "Moger, Babu" To: Borislav Petkov CC: "tglx@linutronix.de" , "mingo@redhat.com" , "hpa@zytor.com" , "reinette.chatre@intel.com" , "fenghua.yu@intel.com" , "james.morse@arm.com" , "vikas.shivappa@linux.intel.com" , "tony.luck@intel.com" , "x86@kernel.org" , "peterz@infradead.org" , "pombredanne@nexb.com" , "gregkh@linuxfoundation.org" , "kstewart@linuxfoundation.org" , "rafael.j.wysocki@intel.com" , "ak@linux.intel.com" , "kirill.shutemov@linux.intel.com" , "xiaochen.shen@intel.com" , "colin.king@canonical.com" , "Hurwitz, Sherry" , "Lendacky, Thomas" , "pbonzini@redhat.com" , "dwmw@amazon.co.uk" , "luto@kernel.org" , "jroedel@suse.de" , "jannh@google.com" , "dima@arista.com" , "jpoimboe@redhat.com" , "vkuznets@redhat.com" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH v2 10/11] arch/x86: Add AMD feature bit X86_FEATURE_MBA in cpuid bits array Thread-Topic: [PATCH v2 10/11] arch/x86: Add AMD feature bit X86_FEATURE_MBA in cpuid bits array Thread-Index: AQHUXO3XVg8FNh2kP0quKwJeL3SsAqURK50AgANl/VA= Date: Mon, 8 Oct 2018 01:25:36 +0000 Message-ID: References: <20181005205512.29545-1-babu.moger@amd.com> <20181005205512.29545-11-babu.moger@amd.com> <20181005213112.GG10285@zn.tnic> In-Reply-To: <20181005213112.GG10285@zn.tnic> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Babu.Moger@amd.com; x-originating-ip: [::] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;DM5PR12MB1178;20:1wwn7NLpHdTkxeQtIkRs6MGvigRiYRcvkteYWErQM5chTDKiJHlKTuwmfkvOf137Lb+0oUjR8j0ia2nBjRghVjOoiyFYwilusoyS5LyYpgdydVbYS2UUqdJGVTECxHcdybE/oQvL5uTx+hh09hVnlK3hGf0zFN4ccEfUKPURXJe7B7IVMu1lbUs5cFM1x0aPC1Aj1tNUTmNyPkWNTv5r6j9sE5epfs1o5QDKPI4NFTBX8exdI1S2RfA5qSr/c4g8 x-ms-office365-filtering-correlation-id: 0d806908-935f-4164-eba9-08d62cbcf31d x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600074)(711020)(4618075)(2017052603328)(7153060)(7193020);SRVR:DM5PR12MB1178; x-ms-traffictypediagnostic: DM5PR12MB1178: x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(228905959029699)(180628864354917)(198206253151910)(146755900322472)(211936372134217)(9452136761055)(767451399110); x-ms-exchange-senderadcheck: 1 x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(6040522)(2401047)(5005006)(8121501046)(3231355)(944501410)(52105095)(3002001)(10201501046)(93006095)(93001095)(6055026)(149066)(150057)(6041310)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123558120)(20161123564045)(20161123560045)(20161123562045)(201708071742011)(7699051);SRVR:DM5PR12MB1178;BCL:0;PCL:0;RULEID:;SRVR:DM5PR12MB1178; x-forefront-prvs: 081904387B x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(376002)(136003)(396003)(366004)(346002)(39860400002)(13464003)(199004)(189003)(74316002)(316002)(53936002)(81166006)(81156014)(8676002)(76176011)(2906002)(55016002)(33656002)(106356001)(105586002)(7736002)(305945005)(9686003)(478600001)(6116002)(72206003)(7696005)(7416002)(6246003)(71190400001)(14444005)(71200400001)(256004)(14454004)(229853002)(476003)(25786009)(5250100002)(2900100001)(186003)(6916009)(53546011)(11346002)(446003)(6506007)(99286004)(4326008)(54906003)(102836004)(97736004)(6436002)(8936002)(5660300001)(486006)(68736007)(86362001);DIR:OUT;SFP:1101;SCL:1;SRVR:DM5PR12MB1178;H:DM5PR12MB2471.namprd12.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: amd.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: bKOqumc09dOeepbnXkEiOIVxtjVtEiste5GrRKN4T66k4SZ4PN6YQuoYMYRKRQWmGVvkWSiqlgK6zbjIL/s8iP2Os2M6D0hUzncJEB3+ghybM/ocEV4c2TP6UVMryBIv1zUcrxzgwM4l/roxUVhunMZUcOZaUPCmnneKjc65WxSJ6FZhEwlwPWeFvWFZu6f8okIRiClW/ThVTTMMJY7oBqWjXuQ0HmHEmR6XXUn6yZo3CU9K0jBWn8H+NF2aaD35ux6G18DYFV6ER+to88fTxS36Y+TRfvHm0Lozye9Q5w7MBxJ6tG99l5w1+e/kw4tMIkS+Xvaxo7AYcD640OUL46NyIkRyF4WJoH5wWcBYdfI= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0d806908-935f-4164-eba9-08d62cbcf31d X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Oct 2018 01:25:36.2708 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR12MB1178 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogQm9yaXNsYXYgUGV0a292 IDxicEBhbGllbjguZGU+DQo+IFNlbnQ6IEZyaWRheSwgT2N0b2JlciA1LCAyMDE4IDQ6MzEgUE0N Cj4gVG86IE1vZ2VyLCBCYWJ1IDxCYWJ1Lk1vZ2VyQGFtZC5jb20+DQo+IENjOiB0Z2x4QGxpbnV0 cm9uaXguZGU7IG1pbmdvQHJlZGhhdC5jb207IGhwYUB6eXRvci5jb207DQo+IHJlaW5ldHRlLmNo YXRyZUBpbnRlbC5jb207IGZlbmdodWEueXVAaW50ZWwuY29tOyBqYW1lcy5tb3JzZUBhcm0uY29t Ow0KPiB2aWthcy5zaGl2YXBwYUBsaW51eC5pbnRlbC5jb207IHRvbnkubHVja0BpbnRlbC5jb207 IHg4NkBrZXJuZWwub3JnOw0KPiBwZXRlcnpAaW5mcmFkZWFkLm9yZzsgcG9tYnJlZGFubmVAbmV4 Yi5jb207DQo+IGdyZWdraEBsaW51eGZvdW5kYXRpb24ub3JnOyBrc3Rld2FydEBsaW51eGZvdW5k YXRpb24ub3JnOw0KPiByYWZhZWwuai53eXNvY2tpQGludGVsLmNvbTsgYWtAbGludXguaW50ZWwu Y29tOw0KPiBraXJpbGwuc2h1dGVtb3ZAbGludXguaW50ZWwuY29tOyB4aWFvY2hlbi5zaGVuQGlu dGVsLmNvbTsNCj4gY29saW4ua2luZ0BjYW5vbmljYWwuY29tOyBIdXJ3aXR6LCBTaGVycnkgPHNo ZXJyeS5odXJ3aXR6QGFtZC5jb20+Ow0KPiBMZW5kYWNreSwgVGhvbWFzIDxUaG9tYXMuTGVuZGFj a3lAYW1kLmNvbT47IHBib256aW5pQHJlZGhhdC5jb207DQo+IGR3bXdAYW1hem9uLmNvLnVrOyBs dXRvQGtlcm5lbC5vcmc7IGpyb2VkZWxAc3VzZS5kZTsNCj4gamFubmhAZ29vZ2xlLmNvbTsgZGlt YUBhcmlzdGEuY29tOyBqcG9pbWJvZUByZWRoYXQuY29tOw0KPiB2a3V6bmV0c0ByZWRoYXQuY29t OyBsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnDQo+IFN1YmplY3Q6IFJlOiBbUEFUQ0ggdjIg MTAvMTFdIGFyY2gveDg2OiBBZGQgQU1EIGZlYXR1cmUgYml0DQo+IFg4Nl9GRUFUVVJFX01CQSBp biBjcHVpZCBiaXRzIGFycmF5DQo+IA0KPiBPbiBGcmksIE9jdCAwNSwgMjAxOCBhdCAwODo1Njow OVBNICswMDAwLCBNb2dlciwgQmFidSB3cm90ZToNCj4gPiBGcm9tOiBTaGVycnkgSHVyd2l0eiA8 c2hlcnJ5Lmh1cndpdHpAYW1kLmNvbT4NCj4gPg0KPiA+IFRoZSBmZWF0dXJlIGJpdCBYODZfRkVB VFVSRV9NQkEgaXMgZGV0ZWN0ZWQgdmlhIENQVUlEIGxlYWYgMHg4MDAwMDAwOA0KPiA+IEVCWCBC aXQgMDYuIFRoaXMgYml0IGluZGljYXRlcyB0aGUgc3VwcG9ydCBvZiBBTUQncyBNQkEgZmVhdHVy ZS4NCj4gPg0KPiA+IFRoaXMgZmVhdHVyZSBpcyBzdXBwb3J0ZWQgYnkgYm90aCBJbnRlbCBhbmQg QU1ELiBCdXQgdGhleSBhcmUgZGV0ZWN0ZWQNCj4gPiBkaWZmZXJlbnQgQ1BVSUQgbGVhdmVzLg0K PiA+DQo+ID4gU2lnbmVkLW9mZi1ieTogQmFidSBNb2dlciA8YmFidS5tb2dlckBhbWQuY29tPg0K PiA+IFNpZ25lZC1vZmYtYnk6IFNoZXJyeSBIdXJ3aXR6IDxzaGVycnkuaHVyd2l0ekBhbWQuY29t Pg0KPiANCj4gVGhpcyBTT0IgY2hhaW4gc2hvdWxkIGJlIHRoZSBvdGhlciB3YXkgYXJvdW5kIC0g Zmlyc3QgU2hlcnJ5LCB0aGVuIHlvdS4NCg0KU3VyZS4gV2lsbCBjaGFuZ2UgaXQuDQo+IA0KPiA+ IC0tLQ0KPiA+ICBhcmNoL3g4Ni9rZXJuZWwvY3B1L3NjYXR0ZXJlZC5jIHwgNyArKysrKystDQo+ ID4gIDEgZmlsZSBjaGFuZ2VkLCA2IGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkNCj4gPg0K PiA+IGRpZmYgLS1naXQgYS9hcmNoL3g4Ni9rZXJuZWwvY3B1L3NjYXR0ZXJlZC5jDQo+IGIvYXJj aC94ODYva2VybmVsL2NwdS9zY2F0dGVyZWQuYw0KPiA+IGluZGV4IDc3MmMyMTliNjg4OS4uYmQ3 ODUzMzM0YjI3IDEwMDY0NA0KPiA+IC0tLSBhL2FyY2gveDg2L2tlcm5lbC9jcHUvc2NhdHRlcmVk LmMNCj4gPiArKysgYi9hcmNoL3g4Ni9rZXJuZWwvY3B1L3NjYXR0ZXJlZC5jDQo+ID4gQEAgLTE3 LDcgKzE3LDExIEBAIHN0cnVjdCBjcHVpZF9iaXQgew0KPiA+ICAJdTMyIHN1Yl9sZWFmOw0KPiA+ ICB9Ow0KPiA+DQo+ID4gLS8qIFBsZWFzZSBrZWVwIHRoZSBsZWFmIHNvcnRlZCBieSBjcHVpZF9i aXQubGV2ZWwgZm9yIGZhc3RlciBzZWFyY2guICovDQo+ID4gKy8qDQo+ID4gKyAqIFBsZWFzZSBr ZWVwIHRoZSBsZWFmIHNvcnRlZCBieSBjcHVpZF9iaXQubGV2ZWwgZm9yIGZhc3RlciBzZWFyY2gu DQo+ID4gKyAqIFg4Nl9GRUFUVVJFX01CQSBzdXBwb3J0ZWQgYnkgYm90aCBJbnRlbCBhbmQgQU1E LiBCdXQgdGhlIGNwdWlkDQo+ID4gKyAqIGxldmVscyBhcmUgZGlmZmVyZW50LiBBZGQgYSBzZXBh cmF0ZSBlbnR5IGZvciBlYWNoLg0KPiA+ICsgKi8NCj4gPiAgc3RhdGljIGNvbnN0IHN0cnVjdCBj cHVpZF9iaXQgY3B1aWRfYml0c1tdID0gew0KPiA+ICAJeyBYODZfRkVBVFVSRV9BUEVSRk1QRVJG LCAgICAgICBDUFVJRF9FQ1gsICAwLCAweDAwMDAwMDA2LCAwIH0sDQo+ID4gIAl7IFg4Nl9GRUFU VVJFX0VQQiwJCUNQVUlEX0VDWCwgIDMsIDB4MDAwMDAwMDYsIDAgfSwNCj4gPiBAQCAtMjksNiAr MzMsNyBAQCBzdGF0aWMgY29uc3Qgc3RydWN0IGNwdWlkX2JpdCBjcHVpZF9iaXRzW10gPSB7DQo+ ID4gIAl7IFg4Nl9GRUFUVVJFX0hXX1BTVEFURSwJQ1BVSURfRURYLCAgNywgMHg4MDAwMDAwNywg MCB9LA0KPiA+ICAJeyBYODZfRkVBVFVSRV9DUEIsCQlDUFVJRF9FRFgsICA5LCAweDgwMDAwMDA3 LCAwIH0sDQo+ID4gIAl7IFg4Nl9GRUFUVVJFX1BST0NfRkVFREJBQ0ssICAgIENQVUlEX0VEWCwg MTEsIDB4ODAwMDAwMDcsIDAgfSwNCj4gPiArCXsgWDg2X0ZFQVRVUkVfTUJBLAkJQ1BVSURfRUJY LCAgNiwgMHg4MDAwMDAwOCwgMCB9LA0KPiA+ICAJeyBYODZfRkVBVFVSRV9TTUUsCQlDUFVJRF9F QVgsICAwLCAweDgwMDAwMDFmLCAwIH0sDQo+ID4gIAl7IFg4Nl9GRUFUVVJFX1NFViwJCUNQVUlE X0VBWCwgIDEsIDB4ODAwMDAwMWYsIDAgfSwNCj4gPiAgCXsgMCwgMCwgMCwgMCwgMCB9DQo+ID4g LS0NCj4gDQo+IFdpdGggdGhhdCBmaXhlZDoNCj4gDQo+IFJldmlld2VkLWJ5OiBCb3Jpc2xhdiBQ ZXRrb3YgPGJwQHN1c2UuZGU+DQo+IA0KDQpUaGFua3MNCg0KPiAtLQ0KPiBSZWdhcmRzL0dydXNz LA0KPiAgICAgQm9yaXMuDQo+IA0KPiBHb29kIG1haWxpbmcgcHJhY3RpY2VzIGZvciA0MDA6IGF2 b2lkIHRvcC1wb3N0aW5nIGFuZCB0cmltIHRoZSByZXBseS4NCg==