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From: "Allen Martin" <AMartin@nvidia.com>
To: "Jeff Garzik" <jeff@garzik.org>,
	"Bill Rugolsky Jr." <brugolsky@telemetry-investments.com>
Cc: "Ingo Molnar" <mingo@elte.hu>,
	"Lee Revell" <rlrevell@joe-job.com>, "Andi Kleen" <ak@suse.de>,
	"Jason Baron" <jbaron@redhat.com>, <linux-kernel@vger.kernel.org>,
	"john stultz" <johnstul@us.ibm.com>
Subject: RE: libata/sata_nv latency on NVIDIA CK804 [was Re: AMD64 X2 lost ticks on PM timer]
Date: Wed, 15 Mar 2006 16:33:39 -0800	[thread overview]
Message-ID: <DBFABB80F7FD3143A911F9E6CFD477B00E48CD06@hqemmail02.nvidia.com> (raw)

> >>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

             reply	other threads:[~2006-03-16  0:34 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-03-16  0:33 Allen Martin [this message]
  -- strict thread matches above, loose matches on Subject: below --
2006-02-27 21:22 AMD64 X2 lost ticks on PM timer bubshait
2006-03-03 22:09 ` Jeff Garzik
2006-03-03 23:43   ` Bill Rugolsky Jr.
2006-03-04  0:07     ` Andi Kleen
     [not found]       ` <20060315213638.GA17817@ti64.telemetry-investments.com>
2006-03-15 21:45         ` libata/sata_nv latency on NVIDIA CK804 [was Re: AMD64 X2 lost ticks on PM timer] Lee Revell
2006-03-15 21:58           ` Ingo Molnar
2006-03-15 22:00             ` Ingo Molnar
2006-03-15 22:25               ` Jeff Garzik
2006-03-16 15:13               ` Alan Cox
2006-03-16 16:57                 ` Bill Rugolsky Jr.
2006-03-22 16:09                   ` Andi Kleen
2006-03-22 18:39                     ` Bill Rugolsky Jr.
2006-03-22 23:07                     ` Bill Rugolsky Jr.
2006-03-15 22:22             ` Jeff Garzik
2006-03-15 22:24               ` Ingo Molnar
2006-03-15 22:36                 ` Bill Rugolsky Jr.
2006-03-15 22:46                   ` Ingo Molnar
2006-03-15 22:48                   ` Jeff Garzik
2006-03-15 23:31                     ` Lee Revell
2006-03-15 21:50         ` Ingo Molnar
2006-03-15 22:11           ` Ingo Molnar
2006-03-15 22:33             ` Jeff Garzik
2006-03-15 22:44               ` Ingo Molnar
2006-03-15 22:50                 ` Jeff Garzik
2006-03-15 23:14                   ` Bill Rugolsky Jr.
2006-03-15 23:44                     ` Lee Revell
2006-03-16  3:15                     ` Bill Rugolsky Jr.
2006-03-16  4:20                       ` Lee Revell
2006-03-16  9:18                         ` Ingo Molnar
2006-03-16 14:42                         ` Gabor Gombas
2006-03-16  0:01                   ` Lee Revell
2006-03-16  0:14                     ` Jeff Garzik
2006-03-15 22:30           ` Jeff Garzik
2006-03-15 22:36             ` Ingo Molnar

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