Re: [PATCH 0/3] x86 PCI domain support

[Jeff Garzik]

Andi Kleen wrote:
> On Fri, Dec 02, 2005 at 08:39:04PM -0500, Jeff Garzik wrote:
>
> > ACPI PCI support stopped short of supporting multiple PCI domains,
> > which is something I need in order to support a current machine
> > configuration, and something many will soon need, to support upcoming
> > systems.
> >
> > This is a minimal, untested implementation.  But it should work,
> > provided your PCI op hooks (direct, BIOS, mmconfig) support PCI domains
> > (mmconfig).
>
>
> It looks like a good start.  Thanks for doing this.
>
> It actually needs some more fixes - e.g. falling back to 
> type1 if the bus is not covered in MCFG (needed for the 
> K8 internal busses) and a workaround for buggy Asus BIOS with wrong MCFG.
> I have that in the works.
>
> But your changes are needed too - or at least they are correct
> according to the spec. I don't know of a system that actually
> has different mmconfig apertures for different busses yet.
> The only case that's interesting right now is that some busses
> don't support it at all, but these don't need a seg number,
> just a non listing in MCFG.
>
> Greg are you queueing this up? 

The first two patches could go in immediately, the last should probably 
wait a bit...

	Jeff



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