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Subject: Re: libata/sata_nv latency on NVIDIA CK804 [was Re: AMD64 X2 lost
	ticks on PM timer]
From: Lee Revell <rlrevell@joe-job.com>
To: Jeff Garzik <jeff@garzik.org>
Cc: "Bill Rugolsky Jr." <brugolsky@telemetry-investments.com>,
       Ingo Molnar <mingo@elte.hu>, Andi Kleen <ak@suse.de>,
       Jason Baron <jbaron@redhat.com>, linux-kernel@vger.kernel.org,
       john stultz <johnstul@us.ibm.com>
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Date: Wed, 15 Mar 2006 18:31:25 -0500
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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