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Re: PCI Section mismatch error in linux-next.

To: Bjorn Helgaas <bhelgaas@google.com>
Subject: Re: PCI Section mismatch error in linux-next.
From: Thierry Reding <thierry.reding@avionic-design.de>
Date: Fri, 17 Aug 2012 23:07:18 +0200
Cc: David Daney <ddaney.cavm@gmail.com>, Ralf Baechle <ralf@linux-mips.org>, linux-pci@vger.kernel.org, linux-mips <linux-mips@linux-mips.org>
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On Fri, Aug 17, 2012 at 10:48:39PM +0200, Thierry Reding wrote:
> On Fri, Aug 17, 2012 at 02:39:34PM -0600, Bjorn Helgaas wrote:
[...]
> > Well, maybe you just need to turn on CONFIG_HOTPLUG.  How would that
> > affect you?  I think we would still have to change some __inits to
> > __devinit, including pcibios_update_irq(), but it might be more
> > manageable.
> 
> You said that depending on HOTPLUG wouldn't be enough because it would
> exclude reenumeration at runtime if HOTPLUG wasn't defined. Also it is
> theoretically possible to build a kernel without HOTPLUG but have the
> enumeration start after init because of deferred probing. Those cases
> won't work if we keep __init or __devinit respectively, right?

Another possibility would be to make PCI select HOTPLUG or depend on it.
That way it would be made sure that __devinit wouldn't cause all the
functions to be discarded after init.

Also, using PCI without HOTPLUG is sort of contradictory.

Thierry

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