Re: [patch 3/4] Locally disable the softlockup watchdog rather than touching it

From: Andi Kleen
Date: Wed Mar 28 2007 - 09:50:47 EST


On Wednesday 28 March 2007 15:33, Prarit Bhargava wrote:
>
> Jeremy Fitzhardinge wrote:
> >
> > I haven't really worked out how this should interact with the nmi
> > watchdog; touch_nmi_watchdog() still ends up calling
> > touch_softlockup_watchdog(), so there's still some redundancy here.
> >
> >
>
> touch_nmi_watchdog is attempting to tickle _all_ CPUs softlockup watchdogs.

It is supposed to only touch the current CPU, just like it only touches
the NMI watchdog on the current CPU.


>
> Currently, the code is incorrect -- it is calling
> touch_softlockup_watchdog which touches only the current CPU's
> softlockup watchdog.

Sounds correct to me.

-Andi

>
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