Date: Fri, 19 Aug 2005 10:40:48 +0200 From: Christian Brueffer <chris@unixpages.org> To: gnn@freebsd.org Cc: freebsd-arch@freebsd.org Subject: Re: Special schedulers, one CPU only kernel, one only userland Message-ID: <20050819084048.GB1769@unixpages.org> In-Reply-To: <20050819083248.GA1769@unixpages.org> References: <42F9ECF2.8080809@freebsd.org> <200508181023.05929.jhb@FreeBSD.org> <20050818095546.A91965@xorpc.icir.org> <200508181312.21512.jhb@FreeBSD.org> <20050818190625.GA28174@odin.ac.hmc.edu> <m27jeiisq3.wl%gnn@neville-neil.com> <20050819083248.GA1769@unixpages.org>
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--K8nIJk4ghYZn606h Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Aug 19, 2005 at 10:32:48AM +0200, Christian Brueffer wrote: > On Fri, Aug 19, 2005 at 11:08:20AM +0900, gnn@freebsd.org wrote: > > At Thu, 18 Aug 2005 12:06:25 -0700, > > brooks wrote: > > > Certainly we need assurance that nothing is going to try and touch > > > the driver before the driver's detach function calls if_free. After > > > if_free returns, no aspect of the driver should touch the ifnet. Oth= er > > > parts of the networking system might still have refrence to it should= we > > > end up with a refcouting scheme where the final free of ifnets comes > > > some time later. All refrences to the softc need to be pruged prior = to > > > exit from the detach routine. > > >=20 > >=20 > > Documentatoin comment. When are we going to write a driver writer's > > handbook? > >=20 >=20 > Well, Jochen Kunz has already written a nice guide for NetBSD... :-) >=20 Should have included the URL: http://www.netbsd.org/Documentation/kernel/ddwg.html - Christian --=20 Christian Brueffer chris@unixpages.org brueffer@FreeBSD.org GPG Key: http://people.freebsd.org/~brueffer/brueffer.key.asc GPG Fingerprint: A5C8 2099 19FF AACA F41B B29B 6C76 178C A0ED 982D --K8nIJk4ghYZn606h Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFDBZsQbHYXjKDtmC0RAnomAJwKGhMs5tajZvclEE4bRTDWTHL5igCeMSA+ H7KoATq6OIbfm8zS1ocnf0A= =Kmr6 -----END PGP SIGNATURE----- --K8nIJk4ghYZn606h--
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