Re: x86_64-dynticks-disable-hpet_id_legsup-hpets.patch hangs thesystem

From: Thomas Gleixner
Date: Thu Aug 23 2007 - 16:56:25 EST


On Thu, 2007-08-23 at 13:47 -0700, Andrew Morton wrote:
> > Any particular reason for this patch [There is no changelog :-)]?
> > Without this patch the mm-kernel seems to behave just fine for me.
>
> Oh damn. That patch is required to prevent a boot-time div-by-zero
> on my old nocona machine.

That patch was necessary due to a bug in the hpet code, which is
resolved for quite a while (hopefully). It was not a divide by zero, it
was some attempt to map stuff before the mm was initialized, IIRC.

> I have a new set of x86_64-dynticks patches from Thomas to look at
> so I guess it's reset-and-start-again time on that front.

Yep. I dropped that patch in the series.

tglx


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