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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 6999AC04EB9 for ; Thu, 6 Dec 2018 08:31:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 36F8520892 for ; Thu, 6 Dec 2018 08:31:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 36F8520892 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-security-module-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729079AbeLFIb3 (ORCPT ); Thu, 6 Dec 2018 03:31:29 -0500 Received: from mga17.intel.com ([192.55.52.151]:31332 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727575AbeLFIb3 (ORCPT ); Thu, 6 Dec 2018 03:31:29 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Dec 2018 00:31:28 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,321,1539673200"; d="scan'208";a="127594493" Received: from irsmsx109.ger.corp.intel.com ([163.33.3.23]) by fmsmga001.fm.intel.com with ESMTP; 06 Dec 2018 00:31:26 -0800 Received: from irsmsx101.ger.corp.intel.com ([169.254.1.237]) by IRSMSX109.ger.corp.intel.com ([169.254.13.38]) with mapi id 14.03.0415.000; Thu, 6 Dec 2018 08:31:25 +0000 From: "Sakkinen, Jarkko" To: "tglx@linutronix.de" , "Schofield, Alison" , "dhowells@redhat.com" CC: "kirill.shutemov@linux.intel.com" , "peterz@infradead.org" , "jmorris@namei.org" , "Huang, Kai" , "keyrings@vger.kernel.org" , "linux-mm@kvack.org" , "linux-security-module@vger.kernel.org" , "Williams, Dan J" , "x86@kernel.org" , "hpa@zytor.com" , "mingo@redhat.com" , "luto@kernel.org" , "bp@alien8.de" , "Hansen, Dave" , "Nakajima, Jun" Subject: Re: [RFC v2 04/13] x86/mm: Add helper functions for MKTME memory encryption keys Thread-Topic: [RFC v2 04/13] x86/mm: Add helper functions for MKTME memory encryption keys Thread-Index: AQHUi6Q0XNLsLenuyU+ONMUFsdeag6VxZNaA Date: Thu, 6 Dec 2018 08:31:24 +0000 Message-ID: <6cabe09dd085f74a3111faebeb285cf0cac1146d.camel@intel.com> References: In-Reply-To: Accept-Language: fi-FI, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.254.207.188] Content-Type: text/plain; charset="utf-8" Content-ID: <216ECE3FADEC4042AABDCAEF5A292CDA@intel.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: T24gTW9uLCAyMDE4LTEyLTAzIGF0IDIzOjM5IC0wODAwLCBBbGlzb24gU2Nob2ZpZWxkIHdyb3Rl Og0KPiArZXh0ZXJuIGludCBta3RtZV9tYXBfYWxsb2Modm9pZCk7DQo+ICtleHRlcm4gdm9pZCBt a3RtZV9tYXBfZnJlZSh2b2lkKTsNCj4gK2V4dGVybiB2b2lkIG1rdG1lX21hcF9sb2NrKHZvaWQp Ow0KPiArZXh0ZXJuIHZvaWQgbWt0bWVfbWFwX3VubG9jayh2b2lkKTsNCj4gK2V4dGVybiBpbnQg bWt0bWVfbWFwX21hcHBlZF9rZXlpZHModm9pZCk7DQo+ICtleHRlcm4gdm9pZCBta3RtZV9tYXBf c2V0X2tleWlkKGludCBrZXlpZCwgdm9pZCAqa2V5KTsNCj4gK2V4dGVybiB2b2lkIG1rdG1lX21h cF9mcmVlX2tleWlkKGludCBrZXlpZCk7DQo+ICtleHRlcm4gaW50IG1rdG1lX21hcF9rZXlpZF9m cm9tX2tleSh2b2lkICprZXkpOw0KPiArZXh0ZXJuIHZvaWQgKm1rdG1lX21hcF9rZXlfZnJvbV9r ZXlpZChpbnQga2V5aWQpOw0KPiArZXh0ZXJuIGludCBta3RtZV9tYXBfZ2V0X2ZyZWVfa2V5aWQo dm9pZCk7DQoNCk5vIG5lZWQgZm9yIGV4dGVybiBrZXl3b3JkIGZvciBmdW5jdGlvbiBkZWNsYXJh dGlvbnMuIEl0IGlzDQpvbmx5IG5lZWRlZCBmb3IgdmFyaWFibGUgZGVjbGFyYXRpb25zLg0KDQo+ ICsNCj4gIERFQ0xBUkVfU1RBVElDX0tFWV9GQUxTRShta3RtZV9lbmFibGVkX2tleSk7DQo+ICBz dGF0aWMgaW5saW5lIGJvb2wgbWt0bWVfZW5hYmxlZCh2b2lkKQ0KPiAgew0KPiBkaWZmIC0tZ2l0 IGEvYXJjaC94ODYvbW0vbWt0bWUuYyBiL2FyY2gveDg2L21tL21rdG1lLmMNCj4gaW5kZXggYzgx NzI3NTQwZTdjLi4zNDIyNGQ0ZTNmNDUgMTAwNjQ0DQo+IC0tLSBhL2FyY2gveDg2L21tL21rdG1l LmMNCj4gKysrIGIvYXJjaC94ODYvbW0vbWt0bWUuYw0KPiBAQCAtNDAsNiArNDAsOTcgQEAgaW50 IF9fdm1hX2tleWlkKHN0cnVjdCB2bV9hcmVhX3N0cnVjdCAqdm1hKQ0KPiAgCXJldHVybiAocHJv dCAmIG1rdG1lX2tleWlkX21hc2spID4+IG1rdG1lX2tleWlkX3NoaWZ0Ow0KPiAgfQ0KPiAgDQo+ ICsvKg0KPiArICogc3RydWN0IG1rdG1lX21hcCBhbmQgdGhlIG1rdG1lX21hcF8qIGZ1bmN0aW9u cyBtYW5hZ2UgdGhlIG1hcHBpbmcNCj4gKyAqIG9mIHVzZXJzcGFjZSBLZXlzIHRvIGhhcmR3YXJl IEtleUlEcy4gVGhlc2UgYXJlIHVzZWQgYnkgdGhlIE1LVE1FIEtleQ0KDQpXaGF0IGFyZSAidXNl cnNwYWNlIEtleXMiIGFueXdheSBhbmQgd2h5IEtleSBhbmQgbm90IGtleT8NCg0KPiArICogU2Vy dmljZSBBUEkgYW5kIHRoZSBlbmNyeXB0X21wcm90ZWN0KCkgc3lzdGVtIGNhbGwuDQo+ICsgKi8N Cj4gKw0KPiArc3RydWN0IG1rdG1lX21hcHBpbmcgew0KPiArCXN0cnVjdCBtdXRleAlsb2NrOwkJ LyogcHJvdGVjdCB0aGlzIG1hcCAmIEhXIHN0YXRlICovDQo+ICsJdW5zaWduZWQgaW50CW1hcHBl ZF9rZXlpZHM7DQo+ICsJdm9pZAkJKmtleVtdOw0KPiArfTsNCg0KUGVyc29uYWxseSwgSSBwcmVm ZXIgbm90IHRvIGFsaWduIHN0cnVjdCBmaWVsZHMgKEkgZG8gYWxpZ24gZW51bXMNCmJlY2F1c2Ug dGhlcmUgaXQgbWFrZXMgbW9yZSBzZW5zZSkgYXMgb2Z0ZW4geW91IGVuZCB1cCByZWFsaWduaW5n DQpldmVyeXRoaW5nLg0KDQpEb2N1bWVudGF0aW9uIHdvdWxkIGJyaW5nIG1vcmUgY2xhcml0eS4g Rm9yIGV4YW1wbGUsIHdoYXQgZG9lcyBrZXlbXQ0KY29udGFpbiwgd2h5IHRoZXJlIGlzIGEgbG9j ayBhbmQgd2hhdCBtYXBwZWRfa2V5aWRzIGZpZWxkIGNvbnRhaW5zPw0KDQovSmFya2tvDQo=