Re: [PATCH] PCI changes and fixes for 2.5.72

From: Greg KH (
Date: Fri Jun 20 2003 - 13:35:44 EST

On Fri, Jun 20, 2003 at 11:44:02AM -0400, Albert Cahalan wrote:
> Greg writes:
> > [PATCH] PCI: Unconfuse /proc
> >
> > If we are to cope with multiple domains with clashing PCI bus
> > numbers, we must refrain from creating two directories of the
> > same name in /proc/bus/pci. This is one solution to the
> > problem; busses with a non-zero domain number get it prepended.
> >
> > Alternative solutions include cowardly refusing to create
> > non-domain-zero bus directories, refusing to create directories
> > with clashing names, and sticking our heads in the sand and
> > pretending the problem doesn't exist.
> Please don't do this. It's gross. As long as we have
> the bus number mangling, stuff can stay as it is.
> When the bus number mangling goes, the old-style
> entries can go as well. I'm working on a patch that
> makes the old-style entries be symlinks like this:
> ../../pci%d/bus%d/dev%d/fn%d/config-space

Symlinks from what to that new file? Have the result from 'tree' to
show what you are considering?

And until we have such a change, the patch from Matthew is needed, so it
should stay.


greg k-h
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