Messages in this thread | | | Date | Thu, 22 Mar 2007 21:16:17 -0400 | From | Dave Jones <> | Subject | Re: how can I touch softlockup watchdog on all cpus? |
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On Thu, Mar 22, 2007 at 03:46:54PM -0700, Jeremy Fitzhardinge wrote: > 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)?
He wants to do this with interrupts off. on_each_cpu won't work in that situation.
> Or patch the softlockup watchdog to add a way to temporarily disable it.
Seems pretty much the only way you could make this work.
Dave
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