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From: Andy Lutomirski <luto@amacapital.net>
Date: Wed, 3 Jul 2013 14:17:15 -0700
Message-ID: <CALCETrWOUE=2fX1k+igfNizUfxRaZCc9NDgMzy7SM6fAjZMZuA@mail.gmail.com>
Subject: Re: [RFC PATCH] Allow optional module parameters
To: Michal Marek <mmarek@suse.cz>
Cc: Jonathan Masters <jcm@redhat.com>, Rusty Russell <rusty@rustcorp.com.au>,
        Lucas De Marchi <lucas.demarchi@profusion.mobi>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Ben Hutchings <bhutchings@solarflare.com>,
        "linux-kbuild@vger.kernel.org" <linux-kbuild@vger.kernel.org>
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On Wed, Jul 3, 2013 at 2:03 PM, Michal Marek <mmarek@suse.cz> 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.

--Andy

-- 
Andy Lutomirski
AMA Capital Management, LLC
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