From: Ingo Molnar <mingo@elte.hu>
To: Johannes Weiner <hannes@saeurebad.de>
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: Mon, 30 Jun 2008 15:08:37 +0200 [thread overview]
Message-ID: <20080630130837.GA332@elte.hu> (raw)
In-Reply-To: <87od5ms7yh.fsf@skyscraper.fehenstaub.lan>
* 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.
Ingo
next prev parent reply other threads:[~2008-06-30 13:09 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 [this message]
2008-07-01 5:40 ` Johannes Weiner
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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