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
next prev parent 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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