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SubjectRe: State of devfs in 2.6?
On Tue, Dec 09, 2003 at 09:42:54PM -0800, Greg KH wrote:
> On Tue, Dec 09, 2003 at 12:10:47PM -0500, Mark Mielke wrote:
> > On Tue, Dec 09, 2003 at 09:21:56AM +0100, Holger Schurig wrote:
> > > Devfs for embedded devices is just great. It's all in the kernel, no
> > > external process to run (I use my embedded stuff without devfsd). I'm using
> > > it for about one year with various kernels.
> >
> > I don't see why 'all in the kernel' is the best approach, embedded or
> > otherwise. I believe udev is being written to execute with a minimal
> > runtime environment. No glibc, or other such beasts.
>
> Exactly. The current bk tree version of udev (which has more features
> than the 008 release) is weighing in at 49Kb, linked statically, no
> external dependancies.

And if we are talking about the smaller embedded systems it
would be good to remember that their /dev doesn't really
change much so devfs and udev could be left out entirely by
having a small staticly populated /dev in the
initramfs/initrd image, or whatever is used for /.

--
________________________________________________________________
J.W. Schultz Pegasystems Technologies
email address: jw@pegasys.ws
Remember Cernan and Schmitt
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