Re: My $0.02 on devd and devfs
H. Peter Anvin (hpa@transmeta.com)
Sun, 10 Oct 1999 23:56:04 -0700
David Harris wrote:
>
> H. Peter Anvin wrote:
> > Richard Gooch wrote:
> > >
> > > >
> > > > Actually, it works as a true notifier if equipped with a buffer
> > > > (which only needs to be allocated when nonempty, which will not be
> > > > the steady-state configuration.) This would actually be my
> > > > preferred choice.
> > >
> > > OK, that's an improvement. But I still think it's a poor-man's
> > > substitute.
> >
> > I disagree. I think it gives you a better framework for doing the right
> > thing.
>
> What happens when the user-space daemon reading the notifier and maintaining
> the database of devices crashes or is accidentally killed? Would there be any
> way to get the device configuration back out of the kernel? Is this even
> something that's worth worrying about?
>
Depending on the kind of daemon used, it would either be respawned or
the info would get queued up until it is restarted. I don't think it's
particularly anything to worry about, though...
-hpa
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