Re: [PATCH 0/3] x86 PCI domain support
From: Greg KH
Date: Sat Dec 03 2005 - 16:05:51 EST
On Sat, Dec 03, 2005 at 03:11:54PM -0500, Jeff Garzik wrote:
> 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...
Ok, I'll queue up all of them for testing in the next few -mm releases
before sending them on.
Care to add some "Signed-off-by:" lines to the patches?
thanks,
greg k-h
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