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

[Allen Martin]

> >>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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