Michal, All,
On 2013-07-03 23:23 +0200, Michal Marek spake thusly:
> Dne 3.7.2013 23:17, Andy Lutomirski napsal(a):
> > On Wed, Jul 3, 2013 at 2:03 PM, Michal Marek <mmarek@xxxxxxx> wrote:
> >> Dne 1.7.2013 18:33, Jonathan Masters napsal(a):
> >>> One caveat. Sometimes we have manufactured parameters intentionally
> >>> to cause a module to fail. We should standardize that piece.
> >>
> >> You have:
> >>
> >> blacklist foo
> >>
> >> to prevent udev from loading a module and
> >>
> >> install foo /bin/true
> >>
> >> to prevent modprobe from loading the module at all. What is the
> >> motivation for inventing a third way, through adding invalid parameters?
> >>
> >
> > FWIW, I've occasionally booted with modulename.garbage=1 to prevent
> > modulename from loading at boot. It may be worth adding a more
> > intentional way to do that.
>
> Hm, right, there seems to be no clean way to achieve this via a
> commandline argument. Maybe define a magic module option to tell the
> module loader not to load a module?
I was going to suggest that, or a new kernel option:
noloadmodules=module1[,module2...]
The option may well be cumulative, too, so we could do:
noloadmodules=module1,module2 noloadmodules=module3
and none of module{1,2,3} would be loaded. This could allow bootloaders
to build up the command line more easily.
(Ab)using the module parameter to avoid loading is hackish at best, IMHO.
Regards,
Yann E. MORIN.
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