Proof of concept patch for device rearrangement
Wilko Bulte
wkb at freebie.xs4all.nl
Wed Jun 18 23:57:51 PDT 2003
On Thu, Jun 19, 2003 at 01:16:56AM +0200, Maxime Henrion wrote:
> walt wrote:
> > Poul-Henning Kamp wrote:
> >
> > >I have uploaded a proof of concept patch:
> > >
> > > http://phk.freebsd.dk/patch/fd_dev.patch
> >
> >
> > >...And with this code enabled, it is possible to go from userland to
> > >device driver without touching Giant underway.
> >
> > I'm sorry, I can't parse that last sentence. Could you explain in
> > 25 words or less (or 3 lines of code) what it means?
> >
> > 'Giant' is the lock that Alan is trying to get rid of?
>
> Giant is the big lock that protects the whole kernel that everyone is
> trying to get rid of :-).
Get rid of the lock that is ;-)
--
| / o / /_ _ wilko at FreeBSD.org
|/|/ / / /( (_) Bulte
More information about the freebsd-current
mailing list