Re: libata/sata_nv latency on NVIDIA CK804 [was Re: AMD64 X2 lostticks on PM timer]

From: Lee Revell
Date: Wed Mar 15 2006 - 18:28:51 EST


On Wed, 2006-03-15 at 17:48 -0500, Jeff Garzik wrote:
> Bill Rugolsky Jr. wrote:
> > On Wed, Mar 15, 2006 at 11:24:41PM +0100, Ingo Molnar wrote:
> >
> >>well, it's a PIO inb() op i think, and could thus in theory trigger SMM
> >>BIOS code.
> >
> >
> > Is there any easy way to disable more SMM stuff than "noacpi"?
>
> It's unlikely you can disable SMM stuff even with noacpi...

A while back someone posted some code from RTAI to disable a bunch of
SMM stuff, check the archives. I sometimes wonder where the heck the
realtime people were when the SMM abomination was being developed...

Lee

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