From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Subject: Re: /dev/fw major not constant (embedded mdev devtmpfs ieee1394) Date: Thu, 21 Jan 2010 13:26:22 -0800 Message-ID: <20100121212622.GA12515@kroah.com> References: <4B58BF6A.6070303@fnac.net> <20100121205711.GA29455@kroah.com> <8bd0f97a1001211321t4aea0ee0q8e0e253be2eff65a@mail.gmail.com> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <8bd0f97a1001211321t4aea0ee0q8e0e253be2eff65a@mail.gmail.com> Sender: linux-hotplug-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Mike Frysinger Cc: Paul Chavent , linux-embedded@vger.kernel.org, linux-hotplug@vger.kernel.org, linux1394-devel@lists.sourceforge.net, busybox@busybox.net, libdc1394-devel@lists.sourceforge.net On Thu, Jan 21, 2010 at 04:21:26PM -0500, Mike Frysinger wrote: > On Thu, Jan 21, 2010 at 15:57, Greg KH wrote: > > On Thu, Jan 21, 2010 at 09:56:10PM +0100, Paul Chavent wrote: > >> I'am working on an embedded gnu/linux system that allow to capture an ieee1394 stream. > >> > >> The system is compound of a kernel, a basic initrd (libc,libgcc,busybox,libdc1394,...) and my app. > >> > >> I use the new firewire stack. > >> > >> As my system is very minimalist, i tought to create the nodes in /dev at the moment of building my initrd. > >> > >> But when i needed to modify my kernel configuration, it has changed the major number of /dev/fw*. > >> > >> It's not really important for the definitive system (it will be > >> freeze), but i wonder how to solve this issue for my future works ? > >> > >> I don't need hotplug, i just need to fill /dev at startup (coldplug). > >> The target is an embedded device, so it should be easy to > >> build/configure/install, and lightweight. > >> > >> For those reasons i don't want to use udev. > > > > Why, is udev somehow not "lightweight"? > > in comparison, it is absolutely not Heh, in comparison to devtmpfs, yes, good point :) thanks, greg k-h