From: Andrew Morton <akpm@linux-foundation.org>
To: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Cc: Doug Ledford <dledford@redhat.com>, linux-kernel@vger.kernel.org
Subject: Re: [Patch 2/8] ipc/mqueue: switch back to using non-max values on create
Date: Tue, 17 Apr 2012 16:00:55 -0700 [thread overview]
Message-ID: <20120417160055.f8e35101.akpm@linux-foundation.org> (raw)
In-Reply-To: <4F8DEF79.409@gmail.com>
On Tue, 17 Apr 2012 18:32:25 -0400
KOSAKI Motohiro <kosaki.motohiro@gmail.com> wrote:
> > Here the "future patch" is "mqueue: separate mqueue default value from
> > maximum value v2" in this series, yes?
> >
> > So people who have applications which are broken by this patch will
> > need to manually set /proc/sys/fs/mqueue/msg_default and/or
> > /proc/sys/fs/mqueue/msgsize_default to get those apps working again?
> >
>
> Yes, it works.
>
OK, I updated the changelog for this patch to reflect that.
I worry a bit that some people who we don't know about will hit this
problem and will have to spend a lot of time working out why it broke.
Is there some way in which we can make it easier for them? A little
printk_once() in a suitable place?
next prev parent reply other threads:[~2012-04-17 23:00 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-17 15:46 [Patch 0/8] Fix POSIX mqueue open issue Doug Ledford
2012-04-17 15:46 ` [Patch 1/8] ipc/mqueue: cleanup definition names and locations Doug Ledford
2012-04-17 17:03 ` KOSAKI Motohiro
2012-04-18 3:14 ` Serge E. Hallyn
2012-04-17 15:46 ` [Patch 2/8] ipc/mqueue: switch back to using non-max values on create Doug Ledford
2012-04-17 22:17 ` Andrew Morton
2012-04-17 22:32 ` KOSAKI Motohiro
2012-04-17 23:00 ` Andrew Morton [this message]
2012-04-18 14:22 ` Doug Ledford
2012-04-17 15:46 ` [Patch 3/8] ipc/mqueue: enforce hard limits Doug Ledford
2012-04-17 15:46 ` [Patch 4/8] ipc/mqueue: update maximums for the mqueue subsystem Doug Ledford
2012-04-17 15:46 ` [Patch 5/8] mqueue: revert bump up DFLT_*MAX Doug Ledford
2012-04-18 3:22 ` Serge E. Hallyn
2012-04-18 3:37 ` KOSAKI Motohiro
2012-04-18 14:25 ` Doug Ledford
2012-04-18 15:33 ` Serge E. Hallyn
2012-04-17 15:46 ` [Patch 6/8] mqueue: don't use kmalloc with KMALLOC_MAX_SIZE Doug Ledford
2012-04-18 3:24 ` Serge E. Hallyn
2012-04-17 15:46 ` [Patch 7/8] mqueue: separate mqueue default value from maximum value v2 Doug Ledford
2012-04-18 3:30 ` Serge E. Hallyn
2012-04-17 15:46 ` [Patch 8/8] selftests: add mq_open_tests Doug Ledford
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