Re: [PATCH] [3/3] PCI segment support

Matthew Wilcox
2003-04-08T17:19:33Z

On Tue, Apr 08, 2003 at 09:21:19PM +0400, Ivan Kokshaysky wrote:
> On Tue, Apr 08, 2003 at 05:50:26PM +0100, Matthew Wilcox wrote:
> > Because it's possible to have multiple pci root bridges in the same
> > pci domain. This is true on at least HP's ia64 & parisc boxes.
>
> I believe each PCI controller on these ia64/parisc boxes has its
> own config space, and can support up to 256 bridged PCI buses, right?
> Whether or not these PCI controllers share the same IO or MEM space is
> irrelevant (because it's entirely implementation specific).

I think hardware _could_ work like that, but it's never set up to work
like that in practice.

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