Messages in this thread | | | Date | Thu, 13 May 2010 13:09:14 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [Patch 1/1] x86 pci: Add option to not assign BAR's if not already assigned |
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On 05/13/2010 01:02 PM, Bjorn Helgaas wrote: > > Yep, that's definitely a problem, and I don't have a good solution. > > HP (and probably SGI) had a nice hardware solution for ia64 -- > address translation across the host bridge, so each bridge could > have its own 64K I/O space. But I don't see that coming in the > x86 PC arena. >
I would agree, that is unlikely (not that I have any information on this subject, mind you.) Much more likely would be a bridge extension capability for finer-grained I/O space routing.
-hpa
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