From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Date: Tue, 28 Oct 2003 18:31:17 +0000 Subject: Re: On demand modules loading with {tmp,ram}fs and udev Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-hotplug@vger.kernel.org On Sat, Oct 25, 2003 at 03:09:32AM +0200, Tomasz Torcz wrote: > On Fri, Oct 24, 2003 at 05:42:34PM -0700, Greg KH wrote: > > On Sat, Oct 25, 2003 at 02:00:18AM +0200, Tomasz Torcz wrote: > > > Hi, > > > > > > I was thinking about small addition to tmpfs. When mounted with 'dev' > > > option, any lookup of non existing file should result in calling > > > modprobe with filename as argument. > > > When coupled with mount tmpfs over /dev (or /udev) this functionality > > > would allow on-demand module loading (as with devfs and plain old > > > device nodes). > > > > How will you do the mapping of /dev names to modules in kernel space? > > How are you going to know which of the 50 or so sound drivers to load > > when opening /dev/dsp? > > Just call modprobe. Modprobe will check /etc/modprobe.conf for dsp > aliases and load module. Then udev will make devnode. Ok, that sounds reasonable. Looking forward to your ramfs implementation that does this :) > I'm also surprised that"load the driver when we open the /dev node" > is a hack. I get used to this standard Linux functionality as > something obvious. Other OSed (*BSD, Solaris etc.) don't work like > that? I do not know what other oses do in this regard, sorry. greg k-h ------------------------------------------------------- This SF.net email is sponsored by: SF.net Giveback Program. Does SourceForge.net help you be more productive? Does it help you create better code? SHARE THE LOVE, and help us help YOU! Click Here: http://sourceforge.net/donate/ _______________________________________________ Linux-hotplug-devel mailing list http://linux-hotplug.sourceforge.net Linux-hotplug-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel