From: "Jeff V. Merkey" <jmerkey@vger.timpanogas.org>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Jamie Lokier <lk@tantalophile.demon.co.uk>,
Petr Vandrovec <vandrove@vc.cvut.cz>,
linux-kernel@vger.kernel.org
Subject: Re: 2.4.0-test13-pre1 lockup: run_task_queue or tty_io are wrong
Date: Sun, 17 Dec 2000 14:05:30 -0700 [thread overview]
Message-ID: <20001217140530.A14173@vger.timpanogas.org> (raw)
In-Reply-To: <20001217192351.A18244@pcep-jamie.cern.ch> <Pine.LNX.4.10.10012171200310.25447-100000@penguin.transmeta.com>
In-Reply-To: <Pine.LNX.4.10.10012171200310.25447-100000@penguin.transmeta.com>; from torvalds@transmeta.com on Sun, Dec 17, 2000 at 12:02:31PM -0800
On Sun, Dec 17, 2000 at 12:02:31PM -0800, Linus Torvalds wrote:
>
>
> On Sun, 17 Dec 2000, Jamie Lokier wrote:
> >
> > How about using a sentinel list entry representing the current position
> > in run_task_queue's loop?
>
> Nope.
>
> There may be multiple concurrent run_task_queue's executing, so for now
> I've applied Andrew Morton's patch that most closely gets the old
> behaviour of having a private list.
>
> HOWEVER, this does need to be re-visited. The task-queue handling is
> potantially something that should be completely re-vamped in the future.
>
> Linus
Linus,
Try thinking about the work to do model (since task queues are so similiar)
Having to "kick" these things should be automatic in the kernel. I could
do a lot of cool stuff with this in there, manos aside.....
:-)
Jeff
>
> -
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next prev parent reply other threads:[~2000-12-17 20:40 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-12-17 2:49 Petr Vandrovec
2000-12-17 3:09 ` Linus Torvalds
2000-12-17 3:49 ` Petr Vandrovec
2000-12-17 7:25 ` Andrew Morton
2000-12-17 18:23 ` Jamie Lokier
2000-12-17 20:02 ` Linus Torvalds
2000-12-17 21:05 ` Jeff V. Merkey [this message]
2000-12-17 20:23 ` Linus Torvalds
2000-12-18 20:51 ` Jamie Lokier
2000-12-18 23:58 ` Linus Torvalds
2000-12-19 1:32 ` Jamie Lokier
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