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Date:	Sun, 07 Sep 2008 09:20:18 +0100
From:	David Woodhouse <>
To:	Ingo Molnar <>
Cc:,,,,, Jesse Barnes <>
Subject: Re: [PATCH] Blacklist DMAR on Intel G31/G33 chipsets

On Sat, 2008-09-06 at 17:49 +0200, Ingo Molnar wrote:
> Jesse's call obviously, but the DMI thing local to intel-iommu.c still 
> looks better to me in all regards. I'm no fan of DMI in general - it 
> just doesnt scale - but here a crappy BIOS gets punished with a DMI 
> quirk and that's OK.

The DMI was my first choice too -- I was only trying to do it with PCI
to keep Andi happy.

There is a non-zero possibility that the same BIOS bug gets copied to
other boards, I suppose -- but it's not exactly hard to add another
board to the table if we find that to be the case.

Shall I resubmit the original version to Linus again for 2.6.27, then?

David Woodhouse                            Open Source Technology Centre                              Intel Corporation

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