From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752932AbZHJJEN (ORCPT ); Mon, 10 Aug 2009 05:04:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752607AbZHJJEM (ORCPT ); Mon, 10 Aug 2009 05:04:12 -0400 Received: from zelda.netsplit.com ([87.194.19.211]:58805 "EHLO zelda.netsplit.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752808AbZHJJEL (ORCPT ); Mon, 10 Aug 2009 05:04:11 -0400 Subject: Re: [PATCH] Driver Core: devtmpfs - kernel-maintained tmpfs-based /dev From: Scott James Remnant To: David Dillow Cc: Andi Kleen , Greg KH , Alan Cox , linux-kernel@vger.kernel.org, Kay Sievers , Jan Blunck , gregkh@suse.de, Harald Hoyer In-Reply-To: <1249575658.19886.8.camel@lap75545.ornl.gov> References: <20090805171513.GA10443@kroah.com> <20090805192037.19c54c4d@lxorguk.ukuu.org.uk> <20090805182805.GA7534@kroah.com> <20090805185136.GA21442@kroah.com> <87ljlxhrnr.fsf@basil.nowhere.org> <1249575658.19886.8.camel@lap75545.ornl.gov> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-/RHolh+003P+GFPCubj9" Date: Mon, 10 Aug 2009 10:04:09 +0100 Message-Id: <1249895049.4431.7.camel@quest> Mime-Version: 1.0 X-Mailer: Evolution 2.26.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-/RHolh+003P+GFPCubj9 Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Thu, 2009-08-06 at 12:20 -0400, David Dillow wrote: > On Thu, 2009-08-06 at 17:46 +0200, Andi Kleen wrote: > > Greg KH writes: > > > > > > It makes the userspace boot process much simpler and easier to mainta= in, > > > as well as providing a way to handle rescue disks and images triviall= y, > > > and it makes the kernel _less_ dependant on the early userspace bootu= p > > > scripts. > >=20 > > As a initrd less kernel user I can really only agree: getting rid > > of the udev-in-initrd requirement would be a big step forward > > in usability. Typically I always have to pre populate=20 > > a on disk /dev manually first to get my kernels to boot. >=20 > If you use mount by label or UUID, you still need udev (or other tools) > in the initrd to find the right disk, correct? And for distros that want > to support that, does this really reduce the amount of code in the > initrd? >=20 Distros would be then free to experiment with just running "blkid" in the initramfs to find the root filesystem, rather than the udev daemon (which runs blkid itself) Scott --=20 Scott James Remnant scott@ubuntu.com --=-/RHolh+003P+GFPCubj9 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEABECAAYFAkp/4okACgkQSnQiFMl4yK6/HgCgmEhkkKv/YqwefnWsEH8CX/FC UNUAoIZ8V2JZ9qI3y1XV++p/GrVZuqEg =wBPl -----END PGP SIGNATURE----- --=-/RHolh+003P+GFPCubj9--