Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753139AbdLUMin (ORCPT ); Thu, 21 Dec 2017 07:38:43 -0500 Received: from ozlabs.org ([103.22.144.67]:44397 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750768AbdLUMik (ORCPT ); Thu, 21 Dec 2017 07:38:40 -0500 From: Michael Ellerman To: Kees Cook , "Michael Kerrisk \(man-pages\)" , Andrew Morton Cc: Cyril Hrubis , Pavel Machek , Michal Hocko , Linux API , Khalid Aziz , Russell King - ARM Linux , Andrea Arcangeli , Linux-MM , LKML , linux-arch , Florian Weimer , John Hubbard , Matthew Wilcox , Jann Horn , Mike Rapoport Subject: Re: [PATCH 2/2] mmap.2: MAP_FIXED updated documentation In-Reply-To: References: <20171213092550.2774-1-mhocko@kernel.org> <20171213093110.3550-1-mhocko@kernel.org> <20171213093110.3550-2-mhocko@kernel.org> <20171213125540.GA18897@amd> <20171213130458.GI25185@dhcp22.suse.cz> <20171213130900.GA19932@amd> <20171213131640.GJ25185@dhcp22.suse.cz> <20171213132105.GA20517@amd> <20171213144050.GG11493@rei> Date: Thu, 21 Dec 2017 23:38:37 +1100 Message-ID: <87po78fe7m.fsf@concordia.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2155 Lines: 52 Kees Cook writes: > On Mon, Dec 18, 2017 at 11:12 AM, Michael Kerrisk (man-pages) > wrote: >> Hello Kees, >> >> I'm late to the party, and only just caught up with the fuss :-). > > No worries! > >> On 12/14/2017 12:19 AM, Kees Cook wrote: >>> On Wed, Dec 13, 2017 at 6:40 AM, Cyril Hrubis wrote: >>>> Hi! >>>>> You selected stupid name for a flag. Everyone and their dog agrees >>>>> with that. There's even consensus on better name (and everyone agrees >>>>> it is better than .._SAFE). Of course, we could have debate if it is >>>>> NOREPLACE or NOREMOVE or ... and that would be bikeshed. This was just >>>>> poor naming on your part. >>>> >>>> Well while everybody agrees that the name is so bad that basically >>>> anything else would be better, there does not seem to be consensus on >>>> which one to pick. I do understand that this frustrating and fruitless. >>> >>> Based on the earlier threads where I tried to end the bikeshedding, it >>> seemed like MAP_FIXED_NOREPLACE was the least bad option. >>> >>>> So what do we do now, roll a dice to choose new name? >>>> >>>> Or do we ask BFDL[1] to choose the name? >>> >>> I'd like to hear feedback from Michael Kerrisk, as he's had to deal >>> with these kinds of choices in the past. I'm fine to ask Linus too. I >>> just want to get past the name since the feature is quite valuable. >>> >>> And if Michal doesn't want to touch this patch any more, I'm happy to >>> do the search/replace/resend. :P >> >> Something with the prefix MAP_FIXED_ seems to me obviously desirable, >> both to suggest that the function is similar, and also for easy >> grepping of the source code to look for instances of both. >> MAP_FIXED_SAFE didn't really bother me as a name, but >> MAP_FIXED_NOREPLACE (or MAP_FIXED_NOCLOBBER) seem slightly more >> descriptive of what the flag actually does, so a little better. > > Great, thanks! > > Andrew, can you s/MAP_FIXED_SAFE/MAP_FIXED_NOREPLACE/g in the series? This seems to have not happened. Presumably Andrew just missed the mail in the flood. And will probably miss this one too ... :) cheers