Date: Thu, 19 Jun 2003 08:57:48 +0200 From: Wilko Bulte <wkb@freebie.xs4all.nl> To: Maxime Henrion <mux@FreeBSD.ORG> Cc: freebsd-current@FreeBSD.ORG Subject: Re: Proof of concept patch for device rearrangement Message-ID: <20030619065748.GB71841@freebie.xs4all.nl> In-Reply-To: <20030618231656.GW21011@elvis.mu.org> References: <43720.1055971536@critter.freebsd.dk> <3EF0DE3A.5040605@myrealbox.com> <20030618231656.GW21011@elvis.mu.org>
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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@FreeBSD.org |/|/ / / /( (_) Bulte
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