From owner-cvs-all Mon Aug 13 13:52:25 2001 Delivered-To: cvs-all@freebsd.org Received: from tao.org.uk (xwing.creative.net.au [203.56.168.36]) by hub.freebsd.org (Postfix) with ESMTP id A43DB37B407; Mon, 13 Aug 2001 13:52:15 -0700 (PDT) (envelope-from joe@tao.org.uk) Received: by tao.org.uk (Postfix, from userid 100) id 0743E48D; Sun, 12 Aug 2001 16:44:28 +0100 (BST) Date: Sun, 12 Aug 2001 16:44:28 +0100 From: Josef Karthauser To: Bill Paul Cc: "Brian F. Feldman" , cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern link_elf.c Message-ID: <20010812164428.C797@tao.org.uk> References: <200108102336.f7ANaUQ85691@green.bikeshed.org> <20010810234655.7A24237B401@hub.freebsd.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-md5; protocol="application/pgp-signature"; boundary="f+W+jCU1fRNres8c" Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20010810234655.7A24237B401@hub.freebsd.org>; from wpaul@FreeBSD.ORG on Fri, Aug 10, 2001 at 04:46:55PM -0700 Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG --f+W+jCU1fRNres8c Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Aug 10, 2001 at 04:46:55PM -0700, Bill Paul wrote: > >=20 > > I must be misremembering that at one point you couldn't unload a preloa= ded=20 > > module... >=20 > It was probably due to this bug. :) >=20 > A pre-loaded module looks exactly the same to the system as a module > loaded after system boot. If you pre-load a driver module on which the > system depends, i.e. the driver for the disk controller on which your > root filesystem resides, then you can't unload it without catastrophic > results. But that's a special case. In my case, I'm trying to unload a > driver for a network card which is idle, and it works properly now with > this fix. The only pre-loaded module you can't ever unload under any > circumstances is "kernel." >=20 > And if anybody out there says "Wait! I have patches to fix that!" I'll > scream. What's the difference between a pre-loaded module, i.e. loaded by boot/loader, and a pre-compiled in module? It would be really cool if one could unload the latter type, and kldload a new version of it for testing. AFAIR this wasn't possible last time I tried it. Joe --f+W+jCU1fRNres8c Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iEYEARECAAYFAjt2pFsACgkQXVIcjOaxUBYXgQCgpcd6hBW4tElmpOlEciUCKjf0 7iwAoMDrLee/PEQrExTnldtNC5AX67PU =iAw6 -----END PGP SIGNATURE----- --f+W+jCU1fRNres8c-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message