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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070419073222.GA438@elte.hu \
--to=mingo@elte.hu \
--cc=jarkao2@o2.pl \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.