linux-kernel - Re: [PATCH] stopmachine: add stopmachine

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Message-ID: <20080715060923.GA4669@osiris.boeblingen.de.ibm.com>
Date:	Tue, 15 Jul 2008 08:09:24 +0200
From:	Heiko Carstens <heiko.carstens@...ibm.com>
To:	Max Krasnyansky <maxk@...lcomm.com>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Christian Borntraeger <borntraeger@...ibm.com>,
	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>,
	linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org,
	Zachary Amsden <zach@...are.com>
Subject: Re: [PATCH] stopmachine: add stopmachine_timeout

> >> So I think monotonic wallclock time actually makes the most sense here.
> > 
> > This is asking for trouble... a config option to disable this would be
> > nice. But as I don't know which problem this patch originally addresses
> > it might be that this is needed anyway. So lets see why we need it first.
> How about this. We'll make this a sysctl, as Rusty already did, and set the
> default to 0 which means "never timeout". That way crazy people like me who
> care about this scenario can enable this feature.

Yes, sounds like that should work for everyone and no additional config
option as well. Sounds good to me.
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