linux-kernel - Re: [patch 2/2] PNP: don't check disabled PCI BARs for conflicts in quirk_system_pci

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Message-ID: <48E1EF0E.8030006@keyaccess.nl>
Date:	Tue, 30 Sep 2008 11:19:10 +0200
From:	Rene Herman <rene.herman@...access.nl>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Bjorn Helgaas <bjorn.helgaas@...com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Len Brown <lenb@...nel.org>, Frans Pop <elendil@...net.nl>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org, linux-acpi@...r.kernel.org,
	Adam Belay <abelay@....edu>, Avuton Olrich <avuton@...il.com>,
	Karl Bellve <karl.bellve@...ssmed.edu>,
	Willem Riede <wriede@...de.org>,
	Matthew Hall <mhall@...omputing.net>
Subject: Re: [patch 2/2] PNP: don't check disabled PCI BARs for conflicts
 in quirk_system_pci_resources()

On 29-09-08 21:13, Linus Torvalds wrote:
> 
> On Mon, 29 Sep 2008, Rene Herman wrote:
>> I believe the possible issue is that resources that do _not_ (seem to) start
>> at zero might also be disabled.
> 
> But that is irrelevant.
> 
> If we have registered them in the resource tree, then PnP must ignore 
> them.
> 
> The fact is, this is not about being enabled or disabled. This is about 
> the PnP tree containing resources that we already parsed from the PCI 
> stuff, and once we've seen them as PCI resources, there's not really 
> anything valuable in the PnP information.

Well, if you say so...

Just did the attached which might match that intention. Please do not 
consider this a submission as I've no idea if this is sensible nor if it 
actually helps Frans. Just for discussion. Anything here should arrive 
through Bjorn.

Rene.

View attachment "quirk_system_pci_resources.diff" of type "text/plain" (2154 bytes)