Received: by 2002:a05:6a10:1d13:0:0:0:0 with SMTP id pp19csp240100pxb; Wed, 18 Aug 2021 00:54:04 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyO+uaQBecp9T9PR7pEbmLDcplAlfNsyVVXVL6IfZlvkiuuJ3/tRgvVpkxUszXBfeVizaYu X-Received: by 2002:a05:6638:3b0:: with SMTP id z16mr6602454jap.139.1629273244473; Wed, 18 Aug 2021 00:54:04 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1629273244; cv=none; d=google.com; s=arc-20160816; b=YdBknemEuBFi++GUyOqOmxYEh4qHDd2g3vK+CAiEIY9hN2CSrjLX0sB0PF5B3qfHG1 otzTuX+e1/4806VNxeSRT8Gb8rPkUcODQc599my4X42xRFo5+GFyo0vdoE8bXPPzJdDW 7eDkS2wuNiQLCmQ27fjawy/S2AhmCF0NHu0RjlmR2UGFrfJnguTLNK2TCq7iHGMfs7qf /yI+j2DW6TClKAZH3Uk1BmysKB8k4mbPfvTVnWruVTmy2dEWi2khpHNLpJICb/ctI2+3 E8v4fhYVC7WsmQfdtnbagDwzYJT3lCzq3uX3RK+eU+/Jg/+O+9W+TbuGC77ERMSKInM0 5zHQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=l/PvaOfdNnFJRAkZjaLhkMVsNzjQG4wpPJuIolVwF4k=; b=F98bcB5epKIlLsU8u6oipEbFC6Cvs0tU+sWSyxMJfgpuHOvN7+LsIbTKWO93GjWTKg qZ+WgBpzPZPQ3aYKpqJjM6wx3nL5N+fqMWVsKcn7XugzZSVSFFt4rX5f85Ichp0VkXPK FVpJAJ4wQR9jY/xn/2bdFcANpKC/v+JlCJJeDtD6tc9N9HipDX6ZC0bdcMSeT4NN4hwn YdSozdLxJBC2wg7omkrPR7w87EGhoNqFz3IESFpU0wgMTmqpiFcy671nVNQSPmeVX+Ow aeYrKkjis2GCx/c1+9VE7SPdgDIjVivbbO1G8Cs1FcHioryYmScCt0AzG7EHd6d8Ypxe JiYA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id m10si5529737ilu.53.2021.08.18.00.53.53; Wed, 18 Aug 2021 00:54:04 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239119AbhHRHwK (ORCPT + 99 others); Wed, 18 Aug 2021 03:52:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:50798 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237962AbhHRHwE (ORCPT ); Wed, 18 Aug 2021 03:52:04 -0400 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: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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