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

Alan Cox
2008-01-14T00:59:20Z

On Sun, 13 Jan 2008 16:28:08 -0500
Tony Camuso <tcamuso@redhat.com> wrote:

> Arjan van de Ven wrote:
>
> >> The PCI spec provides for conf1 as an architected solution. It's not
> >> going away, and especially not in x86 land where Port IO is built-in
> >> to the CPU.
> >
> > again sadly you're wrong.
> >
>
> As someone gently pointed out to me, you are in a position to know this,
> so I probably am wrong.

I suspect Arjan is wrong. It might be some Intel agenda but I still see
fairly new driver reference code that is hardcoding port accesses even
when designed for Redmond products.

Alan