Jason R Thorpe wrote:

>On Wed, Jul 31, 2002 at 10:33:25AM -0700, Bill Studenmund wrote:
>
> > Right. All you need is a depth-first search, and you're covered.
> > 
> > I'm puzzled why there is so much concern over this. ??
>
>You also have to make sure to leave gaps in the bus number space, so that
>you can handle hot-plug bridges.
>  
>
Why can't you renumber the busses when something gets hot plugged?
Leaving gaps can never work properly, since you can't really know where
thing will get inserted (i.e., you may run out of bus numbers locally
even in there are free ones globally).

    -- Lennart