[2.4] PCI bases with value 0 -- upstream status?

Benjamin Herrenschmidt benh at kernel.crashing.org
Tue Jan 20 09:09:51 EST 2004

On Tue, 2004-01-20 at 05:03, Olof Johansson wrote:
> I'm not sure how many times this subject has come up, but here we go again:
> The pci_read_bridge_bases() code in drivers/pci/pci.c assumes that all
> resources start on a non-zero address, which is not true on our systems.
> On LPAR machines, as well as some SMP configs, we might very well have a
> 0 base.

Yes, 0 is a valid base on PCI afaik, though lots of code tend to
assume it's not...

I'd suggest you run the patch through lkml though... Getting in in 2.6
first would surely help.


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