Date: Sat, 29 Oct 2005 11:59:03 +0100 From: Rui Paulo <rpaulo@fnop.net> To: "M. Warner Losh" <imp@bsdimp.com> Cc: freebsd-hackers@freebsd.org, tech-kern@NetBSD.org, wrstuden@NetBSD.org, hselasky@c2i.net Subject: Re: FreeBSD 5/6/7 kernel emulator for NetBSD 2.x Message-ID: <20051029105902.GA741@pxe-laptop.internal.fnop.net> In-Reply-To: <20051029.000142.95903921.imp@bsdimp.com> References: <200510242235.48403.hselasky@c2i.net> <20051026172252.GA23243@netbsd.org> <20051026181403.GF1702@neuron.fnop.net> <20051029.000142.95903921.imp@bsdimp.com>
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--u3/rZRmxL6MmkK24 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2005.10.29 00:01:42 -0600, M. Warner Losh wrote: | In message: <20051026181403.GF1702@neuron.fnop.net> | Rui Paulo <rpaulo@fnop.net> writes: | : On 2005.10.26 10:22:52 -0700, Bill Studenmund wrote: | : | On Mon, Oct 24, 2005 at 10:35:47PM +0200, Hans Petter Selasky wrote: | : | >=20 | : | > Main features: | : | >=20 | : | > - Implements FreeBSD's devfs on NetBSD. | : |=20 | : | In the past, we (NetBSD folks) have talked about a devfs. One issue t= hat=20 | : | has come up (I'll be honest, I've raised it a lot) is a desire to ret= ain=20 | : | permission changes across boots, and to tie devices (when possible) t= o a=20 | : | device-specific attribute rather than a probe order. | : |=20 | : | Does FreeBSD's devfs support locators and persistent information? Are= =20 | : | there plans to support something like that, if not? | :=20 | : I remember Linux's devfs having a configure file for that particular | : objective. The user would set the permission flags in (I can't recall | : if this is the real name) /etc/devfsd.conf and let devfsd do the job. | :=20 | : You could also use another directory for permissions, like /dev-state, | : but personally, I don't like this method. | :=20 | : http://www.atnf.csiro.au/people/rgooch/linux/docs/devfs.html#persistence |=20 | FreeBSD also has a file that can be used to control the permissions | and ownerships at runtime. The persistance can be there, but isn't | there by default like the old nodes in /dev. The other problem I see here is how devfs works in single user mode where devfsd is not started and no permissions are set. How does FreeBSD solve this problem? -- Rui Paulo --u3/rZRmxL6MmkK24 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (NetBSD) iD8DBQFDY1X2ZPqyxs9FH4QRAh6nAJ9K7/NKmBPwzEaaDwD+DP1knSEK+gCfSaus 0b8RkKTYjzs+lnTKJe/XhRY= =FxPZ -----END PGP SIGNATURE----- --u3/rZRmxL6MmkK24--
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