From: Ingo Molnar <mingo@elte.hu>
To: Jarek Poplawski <jarkao2@o2.pl>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH -mm] workqueue: debug possible endless loop in cancel_rearming_delayed_work
Date: Thu, 19 Apr 2007 09:32:22 +0200 [thread overview]
Message-ID: <20070419073222.GA438@elte.hu> (raw)
In-Reply-To: <20070419065404.GB1782@ff.dom.local>
* Jarek Poplawski <jarkao2@o2.pl> wrote:
> + int i = 1000;
>
> - while (!cancel_delayed_work(dwork))
> + while (!cancel_delayed_work(dwork)) {
> flush_workqueue(wq);
> + BUG_ON(!i--);
> + }
if then make it a WARN_ON(). But ... dont we have the softlockup
detector for such cases? Does CONFIG_DETECT_SOFTLOCKUP=y give you enough
information?
Ingo
next prev parent reply other threads:[~2007-04-19 7:32 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-19 6:54 [PATCH -mm] workqueue: debug possible endless loop in cancel_rearming_delayed_work Jarek Poplawski
2007-04-19 7:32 ` Ingo Molnar [this message]
2007-04-19 8:28 ` Jarek Poplawski
2007-04-19 14:48 ` David Chinner
2007-04-19 14:46 ` David Chinner
2007-04-20 8:13 ` Jarek Poplawski
2007-04-20 8:53 ` David Chinner
2007-04-20 10:21 ` Jarek Poplawski
2007-04-20 11:01 ` David Chinner
2007-04-20 12:12 ` [PATCH] workqueue: cancel_rearming_delayed_work/workqueue usage warning Jarek Poplawski
2007-04-20 17:23 ` Oleg Nesterov
2007-04-23 9:41 ` Jarek Poplawski
2007-04-19 17:07 ` [PATCH -mm] workqueue: debug possible endless loop in cancel_rearming_delayed_work Chuck Ebbert
2007-04-20 7:14 ` Jarek Poplawski
-- strict thread matches above, loose matches on Subject: below --
2007-04-20 11:09 Jarek Poplawski
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