Re: [PATCH] x86: enable hpet=force for AMD SB400

From: Thomas Gleixner
Date: Fri May 09 2008 - 19:43:00 EST


On Fri, 9 May 2008, Andrew Morton wrote:
> On Fri, 9 May 2008 11:49:11 +0200
> Andreas Herrmann <andreas.herrmann3@xxxxxxx> wrote:
>
> > x86: enable hpet=force for ATI SB400
>
> Sigh.
>
> > Add quirk to allow forced usage of HPET on ATI SB400.
> > I stumbled over machines where HPET is enabled but not reported
> > by BIOS.
>
> Is there no way in which we can probe for or identify this condition,
> rather than hoping that the user will find out about this boot option?

I'd love to have a sane solution for that, but looking at the rate of
HPET wreckage since we increased the usage of HPET I'm happy to have
this as an opt in thingy.

Thanks,

tglx
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