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

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* Bill Rugolsky Jr. <[email protected]> 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"?

not that i know of. Point of SMM is to make it hard to disable by OSs.
They are a kind of hypervisor mode for the purposes of seemless hardware 
soft-extensions, from the days when it wasnt yet fashionable to call 
them virtualization ;)

> If push comes to shove, I'll go all the way and just install LinuxBIOS 
> on the damn thing.  Though I'm sure that will be a chore.

i think it might be easier to try the new sata_nv.c driver first.

	Ingo
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