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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 4D8DBC04EB8 for ; Thu, 6 Dec 2018 08:08:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1D2DB20989 for ; Thu, 6 Dec 2018 08:08:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1D2DB20989 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 S1729183AbeLFIIt (ORCPT ); Thu, 6 Dec 2018 03:08:49 -0500 Received: from mga12.intel.com ([192.55.52.136]:5241 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729062AbeLFIIt (ORCPT ); Thu, 6 Dec 2018 03:08:49 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Dec 2018 00:08:40 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,321,1539673200"; d="scan'208";a="299793587" Received: from irsmsx108.ger.corp.intel.com ([163.33.3.3]) by fmsmga006.fm.intel.com with ESMTP; 06 Dec 2018 00:08:37 -0800 Received: from irsmsx112.ger.corp.intel.com (10.108.20.5) by IRSMSX108.ger.corp.intel.com (163.33.3.3) with Microsoft SMTP Server (TLS) id 14.3.408.0; Thu, 6 Dec 2018 08:08:36 +0000 Received: from irsmsx101.ger.corp.intel.com ([169.254.1.237]) by irsmsx112.ger.corp.intel.com ([169.254.1.252]) with mapi id 14.03.0415.000; Thu, 6 Dec 2018 08:08:36 +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 02/13] mm: Generalize the mprotect implementation to support extensions Thread-Topic: [RFC v2 02/13] mm: Generalize the mprotect implementation to support extensions Thread-Index: AQHUi6Q7tWai2B7TUk24ndXsgXq+D6VxXneA Date: Thu, 6 Dec 2018 08:08:35 +0000 Message-ID: <056ae50739536a0f6aea3d3c0f2706baa50178c4.camel@intel.com> References: <3389bc8e46479ba102f88c157aebd49b905ac289.1543903910.git.alison.schofield@intel.com> In-Reply-To: <3389bc8e46479ba102f88c157aebd49b905ac289.1543903910.git.alison.schofield@intel.com> 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: <7145A7DA804676499A3393B3376851B8@intel.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: T24gTW9uLCAyMDE4LTEyLTAzIGF0IDIzOjM5IC0wODAwLCBBbGlzb24gU2Nob2ZpZWxkIHdyb3Rl Og0KPiBUb2RheSBtcHJvdGVjdCBpcyBpbXBsZW1lbnRlZCB0byBzdXBwb3J0IGxlZ2FjeSBtcHJv dGVjdCBiZWhhdmlvcg0KPiBwbHVzIGFuIGV4dGVuc2lvbiBmb3IgbWVtb3J5IHByb3RlY3Rpb24g a2V5cy4gTWFrZSBpdCBtb3JlIGdlbmVyaWMNCj4gc28gdGhhdCBpdCBjYW4gc3VwcG9ydCBhZGRp dGlvbmFsIGV4dGVuc2lvbnMgaW4gdGhlIGZ1dHVyZS4NCj4gDQo+IFRoaXMgaXMgZG9uZSBpcyBw cmVwYXJhdGlvbiBmb3IgYWRkaW5nIGEgbmV3IHN5c3RlbSBjYWxsIGZvciBtZW1vcnkNCj4gZW5j eXB0aW9uIGtleXMuIFRoZSBpbnRlbnQgaXMgdGhhdCB0aGUgbmV3IGVuY3J5cHRlZCBtcHJvdGVj dCB3aWxsIGJlDQo+IGFub3RoZXIgZXh0ZW5zaW9uIHRvIGxlZ2FjeSBtcHJvdGVjdC4NCj4gDQo+ IENoYW5nZS1JZDogSWIwOWI5ZDFiNjA1YjEyZDAyNTRkN2ZiNDk2OGRmY2M4ZTNjNzlkZDcNCg0K V2hhdCBpcyB0aGlzPz8NCg0KPiBTaWduZWQtb2ZmLWJ5OiBBbGlzb24gU2Nob2ZpZWxkIDxhbGlz b24uc2Nob2ZpZWxkQGludGVsLmNvbT4NCj4gU2lnbmVkLW9mZi1ieTogS2lyaWxsIEEuIFNodXRl bW92IDxraXJpbGwuc2h1dGVtb3ZAbGludXguaW50ZWwuY29tPg0KPiAtLS0NCj4gIG1tL21wcm90 ZWN0LmMgfCAxMCArKysrKystLS0tDQo+ICAxIGZpbGUgY2hhbmdlZCwgNiBpbnNlcnRpb25zKCsp LCA0IGRlbGV0aW9ucygtKQ0KPiANCj4gZGlmZiAtLWdpdCBhL21tL21wcm90ZWN0LmMgYi9tbS9t cHJvdGVjdC5jDQo+IGluZGV4IGRmNDA4OTU2ZGNjYy4uYjU3MDc1ZTI3OGZiIDEwMDY0NA0KPiAt LS0gYS9tbS9tcHJvdGVjdC5jDQo+ICsrKyBiL21tL21wcm90ZWN0LmMNCj4gQEAgLTM1LDYgKzM1 LDggQEANCj4gIA0KPiAgI2luY2x1ZGUgImludGVybmFsLmgiDQo+ICANCj4gKyNkZWZpbmUgTk9f S0VZCS0xDQo+ICsNCj4gIHN0YXRpYyB1bnNpZ25lZCBsb25nIGNoYW5nZV9wdGVfcmFuZ2Uoc3Ry dWN0IHZtX2FyZWFfc3RydWN0ICp2bWEsIHBtZF90ICpwbWQsDQo+ICAJCXVuc2lnbmVkIGxvbmcg YWRkciwgdW5zaWduZWQgbG9uZyBlbmQsIHBncHJvdF90IG5ld3Byb3QsDQo+ICAJCWludCBkaXJ0 eV9hY2NvdW50YWJsZSwgaW50IHByb3RfbnVtYSkNCj4gQEAgLTQ1MSw5ICs0NTMsOSBAQCBtcHJv dGVjdF9maXh1cChzdHJ1Y3Qgdm1fYXJlYV9zdHJ1Y3QgKnZtYSwgc3RydWN0DQo+IHZtX2FyZWFf c3RydWN0ICoqcHByZXYsDQo+ICB9DQo+ICANCj4gIC8qDQo+IC0gKiBwa2V5PT0tMSB3aGVuIGRv aW5nIGEgbGVnYWN5IG1wcm90ZWN0KCkNCj4gKyAqIFdoZW4gcGtleT09Tk9fS0VZIHdlIGdldCBs ZWdhY3kgbXByb3RlY3QgYmVoYXZpb3IgaGVyZS4NCj4gICAqLw0KPiAtc3RhdGljIGludCBkb19t cHJvdGVjdF9wa2V5KHVuc2lnbmVkIGxvbmcgc3RhcnQsIHNpemVfdCBsZW4sDQo+ICtzdGF0aWMg aW50IGRvX21wcm90ZWN0X2V4dCh1bnNpZ25lZCBsb25nIHN0YXJ0LCBzaXplX3QgbGVuLA0KPiAg CQl1bnNpZ25lZCBsb25nIHByb3QsIGludCBwa2V5KQ0KPiAgew0KPiAgCXVuc2lnbmVkIGxvbmcg bnN0YXJ0LCBlbmQsIHRtcCwgcmVxcHJvdDsNCj4gQEAgLTU3Nyw3ICs1NzksNyBAQCBzdGF0aWMg aW50IGRvX21wcm90ZWN0X3BrZXkodW5zaWduZWQgbG9uZyBzdGFydCwgc2l6ZV90DQo+IGxlbiwN Cj4gIFNZU0NBTExfREVGSU5FMyhtcHJvdGVjdCwgdW5zaWduZWQgbG9uZywgc3RhcnQsIHNpemVf dCwgbGVuLA0KPiAgCQl1bnNpZ25lZCBsb25nLCBwcm90KQ0KPiAgew0KPiAtCXJldHVybiBkb19t cHJvdGVjdF9wa2V5KHN0YXJ0LCBsZW4sIHByb3QsIC0xKTsNCj4gKwlyZXR1cm4gZG9fbXByb3Rl Y3RfZXh0KHN0YXJ0LCBsZW4sIHByb3QsIE5PX0tFWSk7DQo+ICB9DQo+ICANCj4gICNpZmRlZiBD T05GSUdfQVJDSF9IQVNfUEtFWVMNCj4gQEAgLTU4NSw3ICs1ODcsNyBAQCBTWVNDQUxMX0RFRklO RTMobXByb3RlY3QsIHVuc2lnbmVkIGxvbmcsIHN0YXJ0LCBzaXplX3QsDQo+IGxlbiwNCj4gIFNZ U0NBTExfREVGSU5FNChwa2V5X21wcm90ZWN0LCB1bnNpZ25lZCBsb25nLCBzdGFydCwgc2l6ZV90 LCBsZW4sDQo+ICAJCXVuc2lnbmVkIGxvbmcsIHByb3QsIGludCwgcGtleSkNCj4gIHsNCj4gLQly ZXR1cm4gZG9fbXByb3RlY3RfcGtleShzdGFydCwgbGVuLCBwcm90LCBwa2V5KTsNCj4gKwlyZXR1 cm4gZG9fbXByb3RlY3RfZXh0KHN0YXJ0LCBsZW4sIHByb3QsIHBrZXkpOw0KPiAgfQ0KPiAgDQo+ ICBTWVNDQUxMX0RFRklORTIocGtleV9hbGxvYywgdW5zaWduZWQgbG9uZywgZmxhZ3MsIHVuc2ln bmVkIGxvbmcsIGluaXRfdmFsKQ0KDQpXb3VsZCBzcXVhc2ggdGhpcyB3aGF0ZXZlciB0aGlzIGlz IHJlcXVpcmVkIGZvci4gVGhpcyBzcGxpdCBtYWtlcw0KcmV2aWV3IG1vcmUgY29tcGxleCAoSU1I TykuDQoNCi9KYXJra28NCg==