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From: Johannes Weiner <hannes@saeurebad.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org, Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [PATCH 3/3] softlockup: fix watchdog task wakeup frequency
Date: Tue, 01 Jul 2008 07:40:17 +0200	[thread overview]
Message-ID: <87abh26u2m.fsf@skyscraper.fehenstaub.lan> (raw)
In-Reply-To: <20080630130837.GA332@elte.hu> (Ingo Molnar's message of "Mon, 30 Jun 2008 15:08:37 +0200")

Hi,

Ingo Molnar <mingo@elte.hu> writes:

> * Johannes Weiner <hannes@saeurebad.de> wrote:
>
>> > +	/*
>> > +	 * Wake up the high-prio watchdog task twice per
>> > +	 * threshold timespan.
>> > +	 */
>> > +	if (now > touch_timestamp + softlockup_thresh/2)
>> >  		wake_up_process(per_cpu(watchdog_task, this_cpu));
>> 
>> That defeats patch 1/3 and I think it can be dropped (#1).
>
> applied this updated patch to tip/core/softlockup. #3 didnt apply - 
> could you send a delta patch against tip/core/softlockup please? You can 
> pick it up via:
>
>   http://people.redhat.com/mingo/tip.git/README
>
> do:
>
>   git-checkout -b core/softlockup tip/core/softlockup
>
> to check it out.

Uhm, I see this patch is already in.  Misunderstanding or did you fix it
up yourself?

	Hannes

  reply	other threads:[~2008-07-01  5:41 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-27  0:04 [PATCH 0/3] softlockup fixlets Johannes Weiner
2008-06-27  0:04 ` [PATCH 1/3] softlockup: only reset timestamp from NMI code Johannes Weiner
2008-06-27  0:04 ` [PATCH 2/3] softlockup: sanitize print-out limit checks Johannes Weiner
2008-06-27  0:04 ` [PATCH 3/3] softlockup: fix watchdog task wakeup frequency Johannes Weiner
2008-06-27 12:03   ` Ingo Molnar
2008-06-27 12:33     ` Johannes Weiner
2008-06-27 12:43       ` Ingo Molnar
2008-06-27 13:07         ` Johannes Weiner
2008-06-28  0:45           ` Johannes Weiner
2008-06-30 13:08             ` Ingo Molnar
2008-07-01  5:40               ` Johannes Weiner [this message]
2008-07-01  6:11                 ` Ingo Molnar
2008-07-01  7:12                   ` Johannes Weiner
2008-07-01  7:22                     ` Ingo Molnar

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