> I'm already on record saying I don't think attributes in the generic
 > code is the right approach.  All of the attributes I can see adding are
 > bus specific (even to the extent that PCIe ones wouldn't apply to PCI
 > for instance).

I think the case before us that Arthur is dealing with is a
counterexample for this: there's nothing bus-specific about it all.
The issue is related to reordering of DMAs within the Altix system
fabric, after they've left the PCI world.  This issue would be present
no matter what kind of host bridge you hook up to the system fabric,
be it PCI-X, PCIe, ISA, MCA or whatever.

 - R.
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