Messages in this thread | | | Date | Sun, 13 Jan 2008 17:33:31 -0800 | From | Arjan van de Ven <> | Subject | Re: [Patch v2] Make PCI extended config space (MMCONFIG) a driver opt-in |
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On Mon, 14 Jan 2008 00:54:34 +0000 Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:
> 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. >
> > 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.
I find it hard to believe that even they have their drivers do PCI config access via ports directly from the drivers, and especially in driver reference code...
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