On Thu, 27 Dec 2007 06:46:22 -0500
Jeff Garzik <jeff@garzik.org> wrote:

quoted text
> Linus Torvalds wrote:
> > Well, the *current* behaviour as far as setup is concerned is 
> > unacceptable. But yes, longer term, we should be able to just have
> > quirk entries for saying "enable mmconfig because I know it's
> > safe", except we should not enable them until after the core PCI
> > probing has completed.
> 
> 
> IMO that should be an arch decision, buried somewhere in arch/x86.
> 
> If other arches implement extended config space sanely -- and
> possibly via some arch-specific means that is /not/ mmconfig -- then
> they should be able to make an arch decision that extended PCI config
> space accesses Just Work(tm).
> 
> For such arches, pci_enable_ext_cfg_space(pdev) would be a no-op,
> always returning success.
> 

both the first and the second patch already have this behavior.


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