linux-kernel - Re: [RFC PATCH] PCI MMCONFIG: add validation against ACPI motherboard resources

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Message-ID: <20070523222443.GA39776@dspnet.fr.eu.org>
Date:	Thu, 24 May 2007 00:24:43 +0200
From:	Olivier Galibert <galibert@...ox.com>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Robert Hancock <hancockr@...w.ca>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Andi Kleen <ak@...e.de>, Chuck Ebbert <cebbert@...hat.com>,
	Len Brown <lenb@...nel.org>
Subject: Re: [RFC PATCH] PCI MMCONFIG: add validation against ACPI motherboard resources

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.

  OG.
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