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=-3.8 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 60BB3C432BE for ; Mon, 23 Aug 2021 08:15:01 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 078D761371 for ; Mon, 23 Aug 2021 08:15:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 078D761371 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=ACULAB.COM Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id 928746B006C; Mon, 23 Aug 2021 04:14:59 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 8B18E6B0072; Mon, 23 Aug 2021 04:14:59 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 778676B0073; Mon, 23 Aug 2021 04:14:59 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0149.hostedemail.com [216.40.44.149]) by kanga.kvack.org (Postfix) with ESMTP id 572C46B006C for ; Mon, 23 Aug 2021 04:14:59 -0400 (EDT) Received: from smtpin24.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 0DE05211D6 for ; Mon, 23 Aug 2021 08:14:59 +0000 (UTC) X-FDA: 78505634718.24.49EB1CC Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) by imf12.hostedemail.com (Postfix) with ESMTP id 58F3210000B5 for ; Mon, 23 Aug 2021 08:14:58 +0000 (UTC) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-239-OUwiafUSPFqExTCfFob29g-1; Mon, 23 Aug 2021 09:14:54 +0100 X-MC-Unique: OUwiafUSPFqExTCfFob29g-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) by AcuMS.aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Mon, 23 Aug 2021 09:14:52 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.023; Mon, 23 Aug 2021 09:14:52 +0100 From: David Laight To: 'Geert Uytterhoeven' CC: Linus Torvalds , Jeff Layton , "Eric W. Biederman" , "Matthew Wilcox" , Andy Lutomirski , "David Hildenbrand" , Linux Kernel Mailing List , Andrew Morton , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Al Viro , Alexey Dobriyan , "Steven Rostedt" , "Peter Zijlstra (Intel)" , Arnaldo Carvalho de Melo , "Mark Rutland" , Alexander Shishkin , Jiri Olsa , "Namhyung Kim" , Petr Mladek , Sergey Senozhatsky , Andy Shevchenko , Rasmus Villemoes , Kees Cook , Greg Ungerer , Mike Rapoport , Vlastimil Babka , Vincenzo Frascino , "Chinwen Chang" , Michel Lespinasse , Catalin Marinas , Huang Ying , Jann Horn , Feng Tang , Kevin Brodsky , Michael Ellerman , "Shawn Anastasio" , Steven Price , "Nicholas Piggin" , Christian Brauner , Jens Axboe , Gabriel Krisman Bertazi , Peter Xu , Suren Baghdasaryan , Shakeel Butt , Marco Elver , Daniel Jordan , "Nicolas Viennot" , Thomas Cedeno , Collin Fijalkovich , Michal Hocko , Miklos Szeredi , Chengguang Xu , =?utf-8?B?Q2hyaXN0aWFuIEvDtm5pZw==?= , "linux-unionfs@vger.kernel.org" , Linux API , "the arch/x86 maintainers" , "" , Linux-MM , "Florian Weimer" , Michael Kerrisk Subject: RE: Removing Mandatory Locks Thread-Topic: Removing Mandatory Locks Thread-Index: AQHXlUolKQrpfCPkWUimXalbi9gnr6t8D3AggASd1ICAABU/YA== Date: Mon, 23 Aug 2021 08:14:52 +0000 Message-ID: <521f2702176148569a251c5db0a3ea48@AcuMS.aculab.com> References: <20210812084348.6521-1-david@redhat.com> <87o8a2d0wf.fsf@disp2133> <60db2e61-6b00-44fa-b718-e4361fcc238c@www.fastmail.com> <87lf56bllc.fsf@disp2133> <87eeay8pqx.fsf@disp2133> <5b0d7c1e73ca43ef9ce6665fec6c4d7e@AcuMS.aculab.com> <87h7ft2j68.fsf@disp2133> <87k0kkxbjn.fsf_-_@disp2133> <0c2af732e4e9f74c9d20b09fc4b6cbae40351085.camel@kernel.org> <639d90212662cf5cdf80c71bbfec95907c70114a.camel@kernel.org> In-Reply-To: Accept-Language: en-GB, 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 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Authentication-Results: imf12.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=ACULAB.COM; spf=pass (imf12.hostedemail.com: domain of david.laight@aculab.com designates 185.58.86.151 as permitted sender) smtp.mailfrom=david.laight@aculab.com X-Stat-Signature: n7sokm6hp1wocm7j6jmupijj8w6d3afo X-Rspamd-Queue-Id: 58F3210000B5 X-Rspamd-Server: rspam04 X-HE-Tag: 1629706498-792283 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: RnJvbTogR2VlcnQgVXl0dGVyaG9ldmVuDQo+IFNlbnQ6IDIzIEF1Z3VzdCAyMDIxIDA4OjU2DQou Li4NCj4gRXhhY3RseS4gIEUuZy4gVWJ1bnR1IGRvZXNuJ3Qgc2hvdyBhbnkga2VybmVsIG91dHB1 dCBkdXJpbmcgbm9ybWFsDQo+IG9wZXJhdGlvbi4NCg0KQ3VycmVudCB1YnVudHUgKHg4NikgaXMg Z2V0dGluZyB0byBiZSBhIFBJVEEuDQpJdCBldmVuIHJ1bnMgdGhlIGdyYXBoaWNhbCBsb2dpbiBv biB0dHkwIC0gd2hpY2ggaXMgd2hlcmUNCnRoZSBrZXJuZWwgbWVzc2FnZXMgd291bGQgZW5kIHVw Lg0KSXQgaXMgYWxtb3N0IGltcG9zc2libGUgdG8gZ2V0IGFuIGFjdHVhbCBWR0EgY29uc29sZS4N Cg0KSSBuZWVkIHRvIGZpbmQgYSBkaWZmZXJlbnQgZGlzdHJvIHRoYXQgaGFzIGxlc3MgYmxvYXQg aW4gaXQuDQoNCglEYXZpZA0KDQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1s ZXkgUm9hZCwgTW91bnQgRmFybSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsNClJlZ2lzdHJh dGlvbiBObzogMTM5NzM4NiAoV2FsZXMpDQo=