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, URIBL_BLOCKED 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 7F25EC4338F for ; Wed, 18 Aug 2021 07:51:32 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id F04D06109F for ; Wed, 18 Aug 2021 07:51:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org F04D06109F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ubuntu.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id 7CDD16B006C; Wed, 18 Aug 2021 03:51:31 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 754468D0001; Wed, 18 Aug 2021 03:51:31 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5F4A16B0073; Wed, 18 Aug 2021 03:51:31 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0081.hostedemail.com [216.40.44.81]) by kanga.kvack.org (Postfix) with ESMTP id 417376B006C for ; Wed, 18 Aug 2021 03:51:31 -0400 (EDT) Received: from smtpin33.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id D488F18037C68 for ; Wed, 18 Aug 2021 07:51:30 +0000 (UTC) X-FDA: 78487431540.33.AB6A66B Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf26.hostedemail.com (Postfix) with ESMTP id 791A42001523 for ; Wed, 18 Aug 2021 07:51:30 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 7071A60EB5; Wed, 18 Aug 2021 07:51:17 +0000 (UTC) Date: Wed, 18 Aug 2021 09:51:15 +0200 From: Christian Brauner To: Matthew Wilcox Cc: Andy Lutomirski , Linus Torvalds , "Eric W. Biederman" , David Laight , 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 , Geert Uytterhoeven , 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 , 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 , Christian =?utf-8?B?S8O2bmln?= , "linux-unionfs@vger.kernel.org" , Linux API , the arch/x86 maintainers , "" , Linux-MM , Florian Weimer , Michael Kerrisk Subject: Re: [PATCH v1 0/7] Remove in-tree usage of MAP_DENYWRITE Message-ID: <20210818075115.dsee5b3p5xxn65ka@wittgenstein> References: <87o8a2d0wf.fsf@disp2133> <60db2e61-6b00-44fa-b718-e4361fcc238c@www.fastmail.com> <87lf56bllc.fsf@disp2133> <87eeay8pqx.fsf@disp2133> <5b0d7c1e73ca43ef9ce6665fec6c4d7e@AcuMS.aculab.com> <87h7ft2j68.fsf@disp2133> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 791A42001523 X-Stat-Signature: isg11y54hfjqyi58ox4isegppqz8ipuk Authentication-Results: imf26.hostedemail.com; dkim=none; dmarc=none; spf=pass (imf26.hostedemail.com: domain of "SRS0=7gnv=NJ=ubuntu.com=christian.brauner@kernel.org" designates 198.145.29.99 as permitted sender) smtp.mailfrom="SRS0=7gnv=NJ=ubuntu.com=christian.brauner@kernel.org" X-HE-Tag: 1629273090-112111 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: On Sat, Aug 14, 2021 at 04:04:09AM +0100, Matthew Wilcox wrote: > On Fri, Aug 13, 2021 at 05:49:19PM -0700, Andy Lutomirski wrote: > > [0] we have mandatory locks, too. Sigh. > > I'd love to remove that. Perhaps we could try persuading more of the > distros to disable the CONFIG option first. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1940392