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

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Message-ID: <20080701061146.GE14658@elte.hu>
Date:	Tue, 1 Jul 2008 08:11:46 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Johannes Weiner <hannes@...urebad.de>
Cc:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH 3/3] softlockup: fix watchdog task wakeup frequency


* Johannes Weiner <hannes@...urebad.de> wrote:

> 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?

i applied and tested everything that would apply (modulo trivial 
conflict resolution) - but not all of your patches applied so if there's 
still anything missing please send a delta patch against this branch. 
(or against tip/master, which too has all these changes included)

If it's "no further patch needed" that's fine - and if anything is 
missing please resend that bit.

	Ingo
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