linux-kernel - Re: PCI MMCONFIG aperture size

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Message-Id: <200608220955.31620.ak@suse.de>
Date:	Tue, 22 Aug 2006 09:55:31 +0200
From:	Andi Kleen <ak@...e.de>
To:	Tim Hockin <thockin@...gle.com>
Cc:	matthew@....cx, greg@...ah.com,
	Linux Kernel mailing list <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...gle.com>
Subject: Re: PCI MMCONFIG aperture size


> This says to me that (as long as the MCFG table has an End Bus Number of
> 31) a 32 MB decode area (32 MB aligned, too) is valid.
> 
> Would something like the below patch be accepted?  It makes my system
> work...


I already got a patch to remove the complete e820 validation code because
it broke far more than it fixed. That should fix your problem too.
 
> Also, why are we forcing 32 bit base addresses?  ACPI defines it to be a
> 64 bit base...

Where do you think we do that?

-Andi
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