From mboxrd@z Thu Jan  1 00:00:00 1970
From: Grant Grundler <grundler@parisc-linux.org>
Subject: Re: [patch 2/2] PNP: don't check disabled PCI BARs for conflicts
	in quirk_system_pci_resources()
Date: Wed, 1 Oct 2008 00:13:28 -0600
Message-ID: <20081001061328.GD7348@colo.lackof.org>
References: <48E11EFA.8010402@keyaccess.nl> <alpine.LFD.2.00.0809291211330.3389@nehalem.linux-foundation.org> <48E1EF0E.8030006@keyaccess.nl> <alpine.LFD.2.00.0809300741320.3389@nehalem.linux-foundation.org> <48E24C6F.3030903@keyaccess.nl> <alpine.LFD.2.00.0809300904530.3389@nehalem.linux-foundation.org> <alpine.LFD.2.00.0809301001280.3389@nehalem.linux-foundation.org> <alpine.LFD.2.00.0809301015210.4651@nehalem.linux-foundation.org> <20080930193819.GA29860@elte.hu> <alpine.LFD.2.00.0809301244290.3262@nehalem.linux-foundation.org>
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To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Ingo Molnar <mingo@elte.hu>, Arjan van de Ven <arjan@infradead.org>, Rene Herman <rene.herman@keyaccess.nl>, Bjorn Helgaas <bjorn.helgaas@hp.com>, Jesse Barnes <jbarnes@virtuousgeek.org>, Len Brown <lenb@kernel.org>, Frans Pop <elendil@planet.nl>, "Rafael J. Wysocki" <rjw@sisk.pl>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, Adam Belay <abelay@mit.edu>, Avuton Olrich <avuton@gmail.com>, Karl Bellve <karl.bellve@umassmed.edu>, Willem Riede <wriede@riede.org>, Matthew Hall <mhall@mhcomputing.net>, Sam Ravnborg <sam@ravnborg.org>
List-Id: linux-acpi@vger.kernel.org

On Tue, Sep 30, 2008 at 12:51:07PM -0700, Linus Torvalds wrote:
....
> But I think we could add a separate notion of a dependancy point, and have 
> a setup where we describe "initcall X needs to happen before point A" and 
> "initcall Z needs to happen after point A".
> 
> And then we can create a separate set of these dependency points, so that 
> X and Y don't have to know about each other, they just have to have some 
> knowledge about some common synchronization point - one that exists 
> regardless of whether X or Y are even compiled in!

We already do this today. :)
Definitions are in include/linux/init.h.
Point A would be "early" ("run before initialing SMP")
The rest could use better definitions and AFAICT aren't that much better
than being named "Point B".

hth,
grant