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SubjectRE: libata/sata_nv latency on NVIDIA CK804 [was Re: AMD64 X2 lost ticks on PM timer]
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> >>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...
>

There should be no SMI traps on ATA BARs. At least we don't put any in
our reference BIOS and I can't imagine why any of the BIOS vendors or
motherboard mfgs would add any.

-Allen
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