From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnout Vandecappelle Date: Wed, 20 Jul 2011 13:00:38 +0200 Subject: [Buildroot] devtmpfs and initramfs In-Reply-To: <874o2h2pif.fsf@macbook.be.48ers.dk> References: <201107191222.19313.arnout@mind.be> <201107201057.48006.arnout@mind.be> <874o2h2pif.fsf@macbook.be.48ers.dk> Message-ID: <201107201300.39616.arnout@mind.be> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net On Wednesday 20 July 2011 12:52:08, Peter Korsgaard wrote: > >>>>> "Arnout" == Arnout Vandecappelle writes: > Hi, > > >> > #!/bin/sh > >> > # devtmpfs does not get automounted for initramfs'es > >> > /bin/mount -t devtmpfs devtmpfs /dev > >> > exec /sbin/init $* > >> > > >> > Unless BR2_ROOTFS_DEVICE_CREATION_STATIC is enabled. > >> > >> Sorry, but this solution smells just like my socks. I think wk can find > >> a better one :) > > Arnout> Yeah, I also would prefer not to proliferate the number of > Arnout> ways that the init process is influenced... > > I don't see what there is to dislike. With this, the non-standard > behaviour of initramfs'es is nicely self contained within the initramfs > support code, and nothing else needs to know about it. There's nothing > to tweak, and it just works out of the box (tm), no matter what init > implementation or custom inittab is used. But next thing you know, some other piece of Makefile also wants to do something with /init... Since it potentially interacts with other parts of the build, I would argue that it _should_not_ be self-contained. That said, I'm not too enthousiastic about the rc.S solution either, since it may also interact badly with alternative init procedures. Regards, Arnout -- Arnout Vandecappelle arnout at mind be Senior Embedded Software Architect +32-16-286540 Essensium/Mind http://www.mind.be G.Geenslaan 9, 3001 Leuven, Belgium BE 872 984 063 RPR Leuven LinkedIn profile: http://www.linkedin.com/in/arnoutvandecappelle GPG fingerprint: 31BB CF53 8660 6F88 345D 54CC A836 5879 20D7 CF43