linux-kernel - known bad patch in -mm tree was Re: [PATCH 2/2] mmap.2: MAP

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Message-ID: <20171221145907.GA7604@amd>
Date:   Thu, 21 Dec 2017 15:59:07 +0100
From:   Pavel Machek <pavel@....cz>
To:     Michael Ellerman <mpe@...erman.id.au>, vojtech@...e.cz,
        jikos@...e.cz
Cc:     Kees Cook <keescook@...omium.org>,
        "Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Cyril Hrubis <chrubis@...e.cz>,
        Michal Hocko <mhocko@...nel.org>,
        Linux API <linux-api@...r.kernel.org>,
        Khalid Aziz <khalid.aziz@...cle.com>,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Linux-MM <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        Florian Weimer <fweimer@...hat.com>,
        John Hubbard <jhubbard@...dia.com>,
        Matthew Wilcox <willy@...radead.org>,
        Jann Horn <jannh@...gle.com>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>
Subject: known bad patch in -mm tree was Re: [PATCH 2/2] mmap.2: MAP_FIXED
 updated documentation

Hi!

> >>> 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 ... :)

Nice way to mess up kernel development, Michal. Thank you! :-(.

Andrew, everyone and their dog agrees MAP_FIXED_SAFE is stupid name,
but Michal decided to just go ahead, ignoring feedback...

Can you either s/MAP_FIXED_SAFE/MAP_FIXED_NOREPLACE/g or drop the patches?

Thanks,
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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