Date: Fri, 19 Aug 2005 10:32:48 +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: <20050819083248.GA1769@unixpages.org> In-Reply-To: <m27jeiisq3.wl%gnn@neville-neil.com> 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>
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--17pEHd4RhPHOinZp Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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. Other > > 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 Well, Jochen Kunz has already written a nice guide for NetBSD... :-) - 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 --17pEHd4RhPHOinZp Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD4DBQFDBZkwbHYXjKDtmC0RApLXAJY03zhwyscd1hRc7WmTnD/+HjRXAJ45EfU2 wuBkJKXgXlPaYepyoGv2Ww== =mk/H -----END PGP SIGNATURE----- --17pEHd4RhPHOinZp--
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