Subject: Re: CFR: The Auto-Generation Block/Character Device Switch Tables
To: Hauke Fath <hauke@Espresso.Rhein-Neckar.DE>
From: Bill Studenmund <email@example.com>
Date: 05/10/2002 07:55:54
On Fri, 10 May 2002, Hauke Fath wrote:
> >2) change it to use dynamic numbers. :-)
I take that back. Hauke is right, if we have specific major numbers where
dirvers are supposed to be, we should have the lkm attach there.
> If the author of said lkm may speak up here... The merit of the iwm driver
> lkm lies primarily in the fact that it is the only example for a block
> driver lkm in the tree.
> It is hackish because the lkm 'framework' as designed by Terry Lambert does
> not really support a driver with both character and block device interface.
> Since the device majors are already allocated, the driver reuses them
> instead of having a script create /dev device nodes during modload.
Yep, makes sense.
> Unfortunately, as I had to learn the hard way, the value of a driver lkm as
> a development aid is nearly zero as long as there is no symbol loading
> support for lkms.
That's another problem. ;-)