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=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 D1AA6C433E0 for ; Tue, 4 Aug 2020 14:45:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BB1032075D for ; Tue, 4 Aug 2020 14:45:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725932AbgHDOpB (ORCPT ); Tue, 4 Aug 2020 10:45:01 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.86.151]:35638 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725904AbgHDOpB (ORCPT ); Tue, 4 Aug 2020 10:45:01 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-133-GkYdxktHPX6Hq0f1q8Z5bg-1; Tue, 04 Aug 2020 15:44:55 +0100 X-MC-Unique: GkYdxktHPX6Hq0f1q8Z5bg-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Tue, 4 Aug 2020 15:44:55 +0100 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Tue, 4 Aug 2020 15:44:55 +0100 From: David Laight To: David Laight , 'Mark Rutland' , "Madhavan T. Venkataraman" CC: Andy Lutomirski , Kernel Hardening , Linux API , linux-arm-kernel , Linux FS Devel , linux-integrity , LKML , "LSM List" , Oleg Nesterov , X86 ML Subject: RE: [PATCH v1 0/4] [RFC] Implement Trampoline File Descriptor Thread-Topic: [PATCH v1 0/4] [RFC] Implement Trampoline File Descriptor Thread-Index: AQHWamb6T+e4gDrzGEmP/30MMvDTCqkoApyQgAADJ0A= Date: Tue, 4 Aug 2020 14:44:55 +0000 Message-ID: <23ded6dfcf284b15a3356c01a94029f8@AcuMS.aculab.com> References: <20200728131050.24443-1-madvenka@linux.microsoft.com> <6540b4b7-3f70-adbf-c922-43886599713a@linux.microsoft.com> <46a1adef-65f0-bd5e-0b17-54856fb7e7ee@linux.microsoft.com> <20200731183146.GD67415@C02TD0UTHF1T.local> <86625441-80f3-2909-2f56-e18e2b60957d@linux.microsoft.com> <20200804135558.GA7440@C02TD0UTHF1T.local> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org PiA+ID4gSWYgeW91IGxvb2sgYXQgdGhlIGxpYmZmaSByZWZlcmVuY2UgcGF0Y2ggSSBoYXZlIGlu Y2x1ZGVkLCB0aGUgYXJjaGl0ZWN0dXJlDQo+ID4gPiBzcGVjaWZpYyBjaGFuZ2VzIHRvIHVzZSB0 cmFtcGZkIGp1c3QgaW52b2x2ZSBhIHNpbmdsZSBDIGZ1bmN0aW9uIGNhbGwgdG8NCj4gPiA+IGEg Y29tbW9uIGNvZGUgZnVuY3Rpb24uDQo+IA0KPiBObyBpZGVhIHdoYXQgbGliZmZpIGlzLCBidXQg aXQgbXVzdCBzdXJlbHkgYmUgc2ltcGxlciB0bw0KPiByZXdyaXRlIGl0IHRvIGF2b2lkIG5lc3Rl ZCBmdW5jdGlvbiBkZWZpbml0aW9ucy4NCj4gDQo+IE9yIGZpbmQgYSBib29rIGZyb20gdGhlIDE5 NjBzIG9uIGhvdyB0byBkbyByZWN1cnNpdmUNCj4gY2FsbHMgYW5kIG5lc3RlZCBmdW5jdGlvbnMg aW4gRk9SVFJBTi1JVi4NCg0KRldJVyBpdCBpcyBwcm9iYWJseSBhcyBzaW1wbGUgYXM6DQoxKSBQ dXQgYWxsIHRoZSAndmFyaWFibGVzJyB0aGUgbmVzdGVkIGZ1bmN0aW9uIGFjY2Vzc2VzIGludG8g YSBzdHJ1Y3QuDQoyKSBBZGQgYSBmaWVsZCBmb3IgdGhlIGFkZHJlc3Mgb2YgdGhlICduZXN0ZWQn IGZ1bmN0aW9uLg0KMykgUGFzcyB0aGUgYWRkcmVzcyBvZiB0aGUgc3RydWN0dXJlIGRvd24gaW5z dGVhZCBvZiB0aGUNCiAgIGFkZHJlc3Mgb2YgdGhlIGZ1bmN0aW9uLg0KDQpJZiB5b3UgYXJlbid0 IGluIGNvbnRyb2wgb2YgdGhlIGNhbGwgc2l0ZXMgdGhlbiBhZGQgdGhlDQpzdHJ1Y3R1cmUgdG8g YSBsaW5rZWQgbGlzdCBvbiBhIHRocmVhZC1sb2NhbCB2YXJpYWJsZS4NCg0KCURhdmlkDQoNCi0N ClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBN aWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxl cykNCg==