Re: [Patch v2] Make PCI extended config space (MMCONFIG) a driver opt-in

Arjan van de Ven
2008-01-30T15:44:20Z

On Wed, 30 Jan 2008 18:15:39 +0300
Ivan Kokshaysky <ink@jurassic.park.msu.ru> wrote:

> On Tue, Jan 29, 2008 at 08:45:55PM -0700, Matthew Wilcox wrote:
> > On Tue, Jan 29, 2008 at 05:19:55AM -0800, Greg KH wrote:
> > > Matthew, with Arjan's patch, is anything that currently works now
> > > broken? Why do you feel it is somehow "wrong"?
> >
> > lspci is broken. It used to be able to access extended config
> > space, and now can't unless it is patched to know about the sysfs
> > flag to enable it.
>
> There is also likely damage to Xorg for the very same reason.
>

Xorg doesn't do pci express ..
(newer ones actually have gotten out of the "do the PCI layer ourselves" business entirely)

> Ivan.

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