Re: RFC: Changes for PCI

[Alan Cox <alan@lxorguk.ukuu.org.uk>]

> 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