From: Steven Rostedt <rostedt@goodmis.org>
To: Russell King <rmk+lkml@arm.linux.org.uk>
Cc: Ingo Molnar <mingo@elte.hu>,
Dominik Brodowski <linux@dominikbrodowski.net>,
Mark Knecht <markknecht@gmail.com>,
linux-kernel@vger.kernel.org, linux-pcmcia@lists.infradead.org,
Andrew Morton <akpm@osdl.org>, Linus Torvalds <torvalds@osdl.org>
Subject: Re: [patch] pcmcia-shutdown-fix.patch
Date: Mon, 10 Oct 2005 11:37:42 -0400 (EDT) [thread overview]
Message-ID: <Pine.LNX.4.58.0510101136060.27939@localhost.localdomain> (raw)
In-Reply-To: <Pine.LNX.4.58.0510101106380.26418@localhost.localdomain>
On Mon, 10 Oct 2005, Steven Rostedt wrote:
>
> On Fri, 7 Oct 2005, Russell King wrote:
>
> > On Fri, Oct 07, 2005 at 01:09:14PM +0200, Ingo Molnar wrote:
> > >
> > > * Steven Rostedt <rostedt@goodmis.org> wrote:
> > >
> > > > Ingo, here's the patch. This should probably go upstream too since it
> > > > can happen there too. The pccardd thread has a race in it that it can
> > > > shutdown in the TASK_INTERRUPTIBLE state. Here's the fix.
> > >
> > > ah, certainly makes sense. Dominik, does it look good to you too? Patch
> > > below is for upstream.
> >
> > Looks correct to me (I'm the author of this code.) Since it's
> > a bug fix, please send it upstream ASAP.
> >
>
> Just in case this was missed and hasn't been incorporated. Here's the
> patch once again:
>
Oh, and I forgot to add the write-up that Ingo did to explain the patch.
----
The pccardd thread has a race in it that it can shutdown in the
TASK_INTERRUPTIBLE state. Found on the -rt kernel.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
> -- Steve
>
> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
>
> Index: linux-2.6.14-rc3/drivers/pcmcia/cs.c
> ===================================================================
> --- linux-2.6.14-rc3/drivers/pcmcia/cs.c.orig 2005-10-06 06:56:17.000000000 -0400
> +++ linux-2.6.14-rc3/drivers/pcmcia/cs.c 2005-10-10 11:05:09.000000000 -0400
> @@ -689,6 +689,9 @@
> schedule();
> try_to_freeze();
> }
> + /* make sure we are running before we exit */
> + set_current_state(TASK_RUNNING);
> +
> remove_wait_queue(&skt->thread_wait, &wait);
>
> /* remove from the device core */
> -
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> Please read the FAQ at http://www.tux.org/lkml/
>
next prev parent reply other threads:[~2005-10-10 15:38 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-13 10:00 2.6.13-rt6, ktimer subsystem Ingo Molnar
2005-09-13 19:59 ` Lee Revell
2005-09-13 20:06 ` Lee Revell
2005-09-13 20:10 ` Ingo Molnar
2005-09-13 20:36 ` Lee Revell
2005-09-15 7:55 ` Ingo Molnar
2005-09-15 11:37 ` Ingo Molnar
2005-09-14 15:56 ` Darren Hart
2005-09-14 22:09 ` Darren Hart
2005-09-14 19:38 ` George Anzinger
2005-09-15 2:25 ` Thomas Gleixner
2005-09-15 22:35 ` George Anzinger
2005-09-15 22:53 ` Thomas Gleixner
2005-09-15 23:10 ` George Anzinger
2005-09-15 23:09 ` Daniel Walker
2005-09-16 0:08 ` George Anzinger
2005-09-15 9:20 ` Ingo Molnar
2005-09-15 23:04 ` George Anzinger
2005-09-15 23:20 ` Thomas Gleixner
2005-09-15 9:43 ` Roman Zippel
2005-09-26 7:02 ` 2.6.14-rc2-rt2 Ingo Molnar
2005-09-27 6:13 ` 2.6.14-rc2-rt2 Eran Mann
2005-09-27 10:33 ` 2.6.14-rc2-rt2 Ingo Molnar
2005-09-27 16:59 ` 2.6.14-rc2-rt2 Fernando Lopez-Lezcano
2005-09-27 22:15 ` 2.6.14-rc2-rt2 Thomas Gleixner
2005-09-27 23:11 ` 2.6.14-rc2-rt2 Fernando Lopez-Lezcano
2005-09-27 23:10 ` 2.6.14-rc2-rt2 Daniel Walker
2005-09-28 3:04 ` 2.6.14-rc2-rt2 Fernando Lopez-Lezcano
2005-09-28 9:48 ` 2.6.14-rc2-rt2 Ingo Molnar
2005-09-28 16:34 ` 2.6.14-rc2-rt2 Fernando Lopez-Lezcano
2005-09-29 9:07 ` 2.6.14-rc2-rt2 Eran Mann
2005-09-28 9:10 ` 2.6.14-rc2-rt2 Peter Zijlstra
2005-09-29 16:45 ` 2.6.14-rc2-rt2 Badari Pulavarty
2005-09-30 10:58 ` 2.6.14-rc2-rt2 Ingo Molnar
2005-10-02 15:18 ` 2.6.14-rc3-rt1 Ingo Molnar
2005-10-02 15:42 ` 2.6.14-rc3-rt1 Mark Knecht
2005-10-02 19:25 ` 2.6.14-rc3-rt1 Mark Knecht
2005-10-06 17:13 ` 2.6.14-rc3-rt1 Steven Rostedt
2005-10-07 11:09 ` [patch] pcmcia-shutdown-fix.patch Ingo Molnar
2005-10-07 19:17 ` Russell King
2005-10-07 19:46 ` Steven Rostedt
2005-10-10 15:13 ` Steven Rostedt
2005-10-10 15:37 ` Steven Rostedt [this message]
2005-10-02 20:51 ` 2.6.14-rc3-rt1 Felix Oxley
2005-10-02 21:55 ` 2.6.14-rc3-rt1 Felix Oxley
2005-10-03 6:33 ` 2.6.14-rc3-rt1 Ingo Molnar
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