Re: [PATCH] stopmachine: add stopmachine_timeout

[Heiko Carstens]

On Tue, Jul 15, 2008 at 06:09:59PM +1000, Rusty Russell wrote:
> On Tuesday 15 July 2008 12:24:54 Max Krasnyansky wrote:
> > Heiko Carstens wrote:
> > > On Mon, Jul 14, 2008 at 11:56:18AM -0700, Jeremy Fitzhardinge wrote:
> > > 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.
> 
> Indeed, this was my thought too.  s390 can initialize it to zero somewhere in 
> their boot code.

Shouldn't we default to zero and let whowever wants something different
configure that via sysctl.conf?
Whatever default value > 0 you pick is likely wrong for whatever specific
usecase.
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