From: Ingo Molnar <mingo@elte.hu>
To: john stultz <johnstul@us.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Steven Rostedt <rostedt@goodmis.org>,
"Paul E. McKenney" <paulmck@us.ibm.com>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH -rt] Fix TASKLET_STATE_SCHED WARN_ON()
Date: Wed, 6 Jun 2007 11:45:48 +0200 [thread overview]
Message-ID: <20070606094548.GA9511@elte.hu> (raw)
In-Reply-To: <1181096244.6018.20.camel@localhost>
* john stultz <johnstul@us.ibm.com> wrote:
> This fix avoids this race by making sure *after* we've locked the
> tasklet that the STATE_SCHED bit is set before adding it to the list.
>
> Does it look ok to you?
ah - nice!! What would be the worst-case effect of this bug? (besides
the WARN_ON()?) In any case, this fix will be in -rt10. Great work!
Ingo
next prev parent reply other threads:[~2007-06-06 9:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-06 2:17 [PATCH -rt] Fix TASKLET_STATE_SCHED WARN_ON() john stultz
2007-06-06 9:45 ` Ingo Molnar [this message]
2007-06-06 17:39 ` john stultz
2007-06-06 10:31 ` Jesper Juhl
2007-06-14 21:20 ` john stultz
-- strict thread matches above, loose matches on Subject: below --
2007-06-15 15:52 Oleg Nesterov
2007-06-15 21:51 ` john stultz
2007-06-15 23:59 ` Oleg Nesterov
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