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SubjectRe: RFC: Changes for PCI
> beyond 256 physical busses in 2.4?  Maybe not.  But it is a simple
> change and it does work and it works around the existing drivers which
> compare busid+devfn for uniqueness when they really should compare
> pci_dev pointers. Should it be redone the correct way (domains) in

I think it might be better to fix the needed drivers. I suspect ppc64 isnt
going to need that man drivers handle with initially

> The patch does not handle the user mode case. This leaves the X server
> broken. We could probably weed out busses beyond 256 under
> /proc/bus/pci as a workaround -- meaning the video adapter (if any --
> rare in these boxes) must be in one of the first I/O drawers.

Or scan the busses for video cards and number those busses 0,1,2... then
number the rest. Ugly but probably best for 2.4

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