SPECS: dev.spec - /dev/fbsplash - needs to be figured why and fixe...

[Jakub Bogusz]

On Mon, Dec 27, 2004 at 02:57:49PM +0100, havner wrote:
> On Mon, Dec 27, 2004 at 01:22:03PM +0100, Jakub Bogusz wrote:
> > _Both_ entries are likely not to work.
> > Several modules (incl. dm, fbsplash... just grep kernel sources for
> > MISC_DYNAMIC_MINOR) have minor numbers for (char major 10) assigned
> > dynamically (in 0..63 range, starting from 63 down to 0).
> > They are supposed to work by creating device files dynamically using
> > udev (or devfs, but it's obsolete).
> > 
> > (well, they can be hacked by using some static minor instead of
> > MISC_DYNAMIC_MINOR, but then such module can fail to load if that minor
> > is already reserved by other module using MISC_DYNAMIC_MINOR...)
> 
> So let's add major other than 10,

We shouldn't do such things.

> or minor > 63. Is it reserved?

64..127 seem to be free (at the moment) acc. to devices.txt.

Or we could statically reserve some high minors (e.g. 63 for
mapper/control, 62 for fbsplash etc.) and decrease DYNAMIC_MINORS in
drivers/char/misc.c.


-- 
Jakub Bogusz    http://cyber.cs.net.pl/~qboosh/