Re: State of the Linux PCI Subsystem for 2.6.23-rc8

From: Greg KH
Date: Thu Sep 27 2007 - 11:40:06 EST

On Thu, Sep 27, 2007 at 03:22:35AM -0400, Jeff Garzik wrote:
> Greg KH wrote:
>> On Wed, Sep 26, 2007 at 11:40:58PM +0200, Brice Goglin wrote:
>>> Greg KH wrote:
>>>> Here's a summary of the current state of the Linux PCI subsystem, as of
>>>> 2.6.23-rc8.
>>>> If the information in here is incorrect, or anyone knows of any
>>>> outstanding issues not listed here, please let me know.
>>>> List of outstanding regressions from 2.6.22:
>>>> - none known.
>>>> List of outstanding regressions from older kernel versions:
>>>> - none known.
>>> What about ?
>> That's not a regression, right? Tt's probably never worked for that
>> kind of box :)
>> I think the pci bus patches that are pending from Jeff Garzik should fix
>> up these issues. They are in one of his trees, and in the -mm release,
>> if you are able to test those.
> jgarzik/misc-2.6.git#pciseg has my only outstanding PCI stuff, which is a
> small x86[-64] PCI domain support patch. Mostly unrelated to the thread at
> hand, alas, even though it was touching that area.
> I need to a few changes required by Andi, who made several good points,
> then the PCI domains thing should be ready for upstream. I don't care much
> who merges it, you, Andi or me.

I'll take it, as I guess it should go through me, Andi is going to have
enough merge issues for 2.6.24 :)

I'll add them to my tree later today.

> As I recall, some NUMA folks hacked in my damage (storing numa node in
> x86's new struct pci_sysdata), noted and fixed additional fallout, and
> added their own damage for good measure :)

Yeah, I don't really trust all of the pci numa things as it keeps
blowing up in odd ways, and we seem to be doing a lot of extra work for
the 2 NUMA-CUBE users in the whole world...


greg k-h
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