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Re: [patch 2/2] PNP: don't check disabled PCI BARs for conflicts in quirk_system_pci_resources()

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From: Linus Torvalds <torvalds@...>
To: Rene Herman <rene.herman@...>
Cc: Bjorn Helgaas <bjorn.helgaas@...>, Jesse Barnes <jbarnes@...>, Len Brown <lenb@...>, Frans Pop <elendil@...>, Rafael J. Wysocki <rjw@...>, Linux Kernel Mailing List <linux-kernel@...>, <linux-pci@...>, <linux-acpi@...>, Adam Belay <abelay@...>, Avuton Olrich <avuton@...>, Karl Bellve <karl.bellve@...>, Willem Riede <wriede@...>, Matthew Hall <mhall@...>, Sam Ravnborg <sam@...>
Subject: Re: [patch 2/2] PNP: don't check disabled PCI BARs for conflicts in quirk_system_pci_resources()
Date: Tuesday, September 30, 2008 - 1:21 pm

On Tue, 30 Sep 2008, Linus Torvalds wrote:

It looks like both of these will fall afoul of the fact that ACPI 
currently seems to _expect_ to be called in the old order, ie I get some 
oops in acpi_irq_penalty_init() apparently because it knew that it got 
called later (thanks to being called from pci_acpi_init in the 
arch-specific directory), and knew that the other ACPI subsys setup 
routines had been done before.

Dang.

I guess we'll have to bite the bullet some day and actually create some 
explicit topological ordering of initcalls rather than depend on the 
initcall levels and link order. That is one particular complexity I've 
tried to avoid. But the subtlety of the current ordering is certainly not 
at all good either.

		Linus
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Messages in current thread:
[patch 0/2] don't check disabled PCI BARs for conflicts with..., Bjorn Helgaas, (Mon Sep 29, 11:53 am)
[patch 2/2] PNP: don't check disabled PCI BARs for conflicts..., Bjorn Helgaas, (Mon Sep 29, 11:57 am)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Linus Torvalds, (Mon Sep 29, 12:34 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Rene Herman, (Mon Sep 29, 2:31 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Linus Torvalds, (Mon Sep 29, 3:13 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Rene Herman, (Tue Sep 30, 5:19 am)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Linus Torvalds, (Tue Sep 30, 10:48 am)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Rene Herman, (Tue Sep 30, 11:57 am)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Linus Torvalds, (Tue Sep 30, 12:29 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Bjorn Helgaas, (Tue Sep 30, 3:12 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Bjorn Helgaas, (Wed Oct 1, 4:18 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Linus Torvalds, (Tue Sep 30, 2:01 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Bjorn Helgaas, (Tue Sep 30, 3:16 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Linus Torvalds, (Tue Sep 30, 2:13 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Rene Herman, (Tue Sep 30, 3:51 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Linus Torvalds, (Tue Sep 30, 1:10 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Linus Torvalds, (Tue Sep 30, 1:21 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Ingo Molnar, (Tue Sep 30, 3:38 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Rolf Eike Beer, (Tue Sep 30, 4:05 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Ingo Molnar, (Wed Oct 1, 4:52 am)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Linus Torvalds, (Tue Sep 30, 3:51 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Grant Grundler, (Wed Oct 1, 2:13 am)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Linus Torvalds, (Wed Oct 1, 11:14 am)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Yinghai Lu, (Wed Oct 1, 12:21 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Ingo Molnar, (Wed Oct 1, 4:26 am)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Grant Grundler, (Mon Oct 6, 1:34 am)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Ingo Molnar, (Tue Sep 30, 4:01 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Arjan van de Ven, (Tue Sep 30, 3:54 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Rene Herman, (Tue Sep 30, 3:29 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Linus Torvalds, (Tue Sep 30, 3:44 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Rene Herman, (Tue Sep 30, 4:48 pm)
Re: [patch 2/2] PNP: don't check disabled PCI BARs for confl..., Rene Herman, (Tue Sep 30, 3:37 pm)
[patch 1/2] PCI: add pci_resource_enabled(), Bjorn Helgaas, (Mon Sep 29, 11:56 am)