From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Olivier Galibert <galibert@pobox.com>
Subject: Re: [RFC PATCH] PCI MMCONFIG: add validation against ACPI motherboard resources
Date: Wed, 23 May 2007 15:31:47 -0700
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Cc: Linus Torvalds <torvalds@linux-foundation.org>,
       Robert Hancock <hancockr@shaw.ca>,
       linux-kernel <linux-kernel@vger.kernel.org>, Andi Kleen <ak@suse.de>,
       Chuck Ebbert <cebbert@redhat.com>, Len Brown <lenb@kernel.org>
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On Wednesday, May 23, 2007 3:24 pm Olivier Galibert wrote:
> On Wed, May 23, 2007 at 02:20:23PM -0700, Jesse Barnes wrote:
> > On Wednesday, May 23, 2007 1:56 pm Linus Torvalds wrote:
> > > Ehh. Even for PCIe, why not use the normal accesses for the first
> > > 256 bytes? Problem solved.
> >
> > Ok, this patch also works.  We still need to enable mmconfig space
> > for PCIe and extended config space, but we can continue to use type
> > 1 accesses for legacy PCI config space cycles to avoid decode
> > trouble with mmconfig based BAR sizing.
>
> Isn't that a mac-intel instant killer?  AFAIK they don't have type1,
> period.

Yuck.  I'll have to add a check for type 1 then... but that also means 
Macs will probably want the decode disable stuff I posted earlier.

Jesse
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