linux-kernel - Re: [PATCH 3/3] softlockup: fix watchdog task wakeup frequency

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Date:	Tue, 01 Jul 2008 07:40:17 +0200
From:	Johannes Weiner <hannes@...urebad.de>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH 3/3] softlockup: fix watchdog task wakeup frequency

Hi,

Ingo Molnar <mingo@...e.hu> writes:

> * Johannes Weiner <hannes@...urebad.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
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