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

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Message-ID: <4603075E.4090001@goop.org>
Date:	Thu, 22 Mar 2007 15:46:54 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	"Cestonaro, Thilo \(external\)" 
	<Thilo.Cestonaro.external@...itsu-siemens.com>
CC:	Lee Revell <rlrevell@...-job.com>, linux-kernel@...r.kernel.org
Subject: Re: how can I touch softlockup watchdog on all cpus?

Cestonaro, Thilo (external) wrote:
> It's a condition of a customer of us, so I can't change it.
>
> But it happens not often that my part is used. So I thought there is a mechanism to disable or reset the watchdog
> because it is a legal pause for it. And there is one "touch_softlockup_watchdog()", that does what I want,
> BUT just for the current cpu. And so the watchdog blats from the other cpu.
>   

on_each_cpu(touch_softlockup_watchdog, NULL, 0, 0)?

Or patch the softlockup watchdog to add a way to temporarily disable it.

    J
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