linux-kernel - Re: PCI resource problems caused by improper address rounding

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Message-ID: <alpine.LFD.0.9999.0712181911120.21557@woody.linux-foundation.org>
Date:	Tue, 18 Dec 2007 19:12:37 -0800 (PST)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Richard Henderson <rth@...ddle.net>
cc:	Chuck Ebbert <cebbert@...hat.com>,
	Robert Hancock <hancockr@...w.ca>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	Daniel Ritz <daniel.ritz@....ch>, Greg KH <greg@...ah.com>,
	Keith Packard <keithp@...thp.com>,
	Bjorn Helgaas <bjorn.helgaas@...com>
Subject: Re: PCI resource problems caused by improper address rounding



On Tue, 18 Dec 2007, Richard Henderson wrote:
>
> Heh.
> 
> PCI: BIOS Bug: MCFG area at e0000000 is not E820-reserved
> PCI: Not using MMCONFIG.

Well, that at least confirms that e0000000 is indeed the mmconfig area.

One of these days we'll trust the ACPI resource data enough that we can 
use mmconfig even when it's just reserved in those PnP things, which is 
apparently how BIOS writers are suggested to do it (stupidly enough, but 
whatever)

		Linus
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