linux-kernel - Re: how can I touch softlockup watchdog on all cpus?

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Date:	Thu, 22 Mar 2007 18:48:52 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Dave Jones <davej@...hat.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	"Cestonaro, Thilo (external)" 
	<Thilo.Cestonaro.external@...itsu-siemens.com>,
	Lee Revell <rlrevell@...-job.com>, linux-kernel@...r.kernel.org
Subject: Re: how can I touch softlockup watchdog on all cpus?

Dave Jones wrote:
> He wants to do this with interrupts off. on_each_cpu won't work in
> that situation.
>   

I was thinking just before his big pause.  But it sounds like its fairly
marginal.

>  > Or patch the softlockup watchdog to add a way to temporarily disable it.
>
> Seems pretty much the only way you could make this work.
>   

Yep.  The patches I just posted might do the trick.

    J
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