Re: devfs - why not ?

[Richard Gooch]

Johannes Erdfelt writes:
> On Thu, Apr 13, 2000, Richard Gooch <[e-mail]> wrote:
> > Alan Cox writes:
> > > > So solving this is impossible and to not worry about it?
> > > 
> > > Until we can find people who make mice and keyboards with serial
> > > numbers that are unique.
> > 
> > I would have to agree. If there's nothing to distinguish two devices,
> > then no piece of software can give you a mapping that doesn't depend
> > on insertion/detection order.
> 
> Like I've said before, there's always bus topology.

I was going to ask that, but didn't bother. Anyway, you've answered it
for me. So there is indeed a way to figure where it was plugged in.

> It's better than insertion order, but still sub-optimal.

Yep, it's an improvement. Although, relying on that seems a bit risky,
especially since it's "hot swap" and easy to reconfigure. The easier
it is to plug and unplug, the more prone to moving things around when
you don't want that.

				Regards,

					Richard....
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