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Hello,

On Jul 10, 2009, at 5:26 AM, Simon Burge wrote:

Everything I see so far says that a "PCI domain" is an OS abstraction
and not part of a PCI specification.  I'm also not sure exactly what
problem you're trying to solve - why exactly does it matter if two PCI
busses share a common "domain" or not?

It matters when you want to map IO space which is per host bridge, not per bus. But even then all you end up with is additional mappings of the same IO space which is kind of a waste but not really a problem.

have fun
Michael

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