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From: Helge Deller <deller@gmx.de>
To: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Mike Frysinger <vapier@gentoo.org>,
	John David Anglin <dave.anglin@bell.net>,
	carlos@redhat.com, linux-parisc@vger.kernel.org
Subject: Re: parisc: fix mmap(MAP_FIXED|MAP_SHARED) to already mmapped address
Date: Sun, 29 Dec 2013 21:50:56 +0100	[thread overview]
Message-ID: <52C08B30.50309@gmx.de> (raw)
In-Reply-To: <20131223202611.GA3570@blackmetal.musicnaut.iki.fi>

Hi Aaro,

On 12/23/2013 09:26 PM, Aaro Koskinen wrote:
> On Fri, Dec 20, 2013 at 11:10:03PM +0100, Helge Deller wrote:
>> You could try my current rewrite for the mmap functions which is in my "aio_mmap_fix" branch at
>> git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git
>> (http://git.kernel.org/cgit/linux/kernel/git/deller/parisc-linux.git/log/?h=aio_mmap_fix)
>> Pulling this branch on top of Linux head should work.
>> But I think it will not solve this problem.
> 
> FWIW, I pulled this branch (aaa88432c03b) on top of 3.13-rc5 and the
> system won't boot (HP C3700, 32-bit kernel). There's several stack trace
> dumps during the boot; if you're interested I might be able to setup a
> serial console to capture these.

Yes, the code hit a BUG_ON when running with 32bit kernel.
I just committed a trivial patch to the same tree, and now it works.

Helge 

  reply	other threads:[~2013-12-29 20:50 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-19 19:17 parisc: fix mmap(MAP_FIXED|MAP_SHARED) to already mmapped address Aaro Koskinen
2013-12-19 19:44 ` John David Anglin
2013-12-19 20:28   ` Aaro Koskinen
2013-12-19 21:19   ` Mike Frysinger
2013-12-19 22:38     ` John David Anglin
2013-12-19 23:02       ` Mike Frysinger
2013-12-20 22:10         ` Helge Deller
2013-12-23 20:26           ` Aaro Koskinen
2013-12-29 20:50             ` Helge Deller [this message]
2013-12-29 21:26               ` Aaro Koskinen
2013-12-21 18:18         ` John David Anglin
2014-03-02 21:22     ` Helge Deller
2014-04-01 18:26       ` Aaro Koskinen
2014-04-01 18:49         ` Helge Deller
2014-04-02 19:09           ` Carlos O'Donell
2014-04-02 21:09             ` Helge Deller
2014-04-02 21:41               ` John David Anglin
2014-04-03 19:41                 ` Helge Deller
2014-04-03 20:03                   ` John David Anglin
2014-04-03 20:26                     ` Helge Deller
2015-02-20 21:36                       ` Carlos O'Donell
2015-02-21 20:31                         ` John David Anglin
2015-02-21 20:40                           ` John David Anglin
2015-02-21 23:09                             ` James Bottomley
2015-02-21 23:26                               ` Helge Deller
2015-02-21 23:57                                 ` James Bottomley
2015-02-22 16:45                                   ` John David Anglin
2015-02-22 17:17                                     ` James Bottomley
2015-02-22 17:53                                       ` Helge Deller
2015-02-22 17:54                                       ` John David Anglin
2015-02-22 17:58                                         ` James Bottomley
2015-02-22 18:07                                           ` Helge Deller
2015-02-22 19:13                                             ` James Bottomley
2015-02-22 19:16                                               ` Helge Deller
2015-02-22 19:42                                                 ` James Bottomley
2015-03-07 19:05                                                   ` Carlos O'Donell
2015-02-22 18:28                                         ` parisc: fix mmap(MAP_FIXED|MAP_SHARED) to already mmapped address - optimized patches Helge Deller
2015-02-22 17:28                                     ` parisc: fix mmap(MAP_FIXED|MAP_SHARED) to already mmapped address James Bottomley
2015-02-22 18:02                                       ` John David Anglin
2015-02-21 21:04                           ` Helge Deller
2014-04-03 20:12                   ` John David Anglin
2014-04-03 20:27                     ` Helge Deller
2014-04-04 15:45                     ` Jeroen Roovers
2013-12-19 20:28 ` Helge Deller
2013-12-19 20:53   ` Aaro Koskinen
2013-12-23 20:34 ` Rolf Eike Beer
2013-12-24  2:39   ` John David Anglin
2013-12-24  9:32     ` Rolf Eike Beer
2014-01-27 11:23   ` Rolf Eike Beer

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