linux-kernel - Re: [tip:core/locking] lockdep, bug: Exclude TAINT_FIRMWARE

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Date:	Tue, 6 Dec 2011 17:52:30 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Nick Bowler <nbowler@...iptictech.com>, mingo@...hat.com,
	hpa@...or.com, linux-kernel@...r.kernel.org,
	a.p.zijlstra@...llo.nl, tglx@...utronix.de, ben@...adent.org.uk,
	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:core/locking] lockdep, bug: Exclude
 TAINT_FIRMWARE_WORKAROUND from disabling lockdep

> My primary worry is to not have lockdep active when there's 
> binary modules in a system - can TAINT_OOT_MODULE be set but 
> TAINT_PROPRIETARY_MODULE not set for non-GPL modules?

Yes. I imagine anyone wanting to use lockdep with binary modules
would just lie anyway.

> If not, and if TAINT_OOT_MODULE set and TAINT_PROPRIETARY_MODULE 
> cleared guarantees the GPL-ness of the module then i have no 
> problem with keeping lockdep active in that case.

Insofar as nobody is making their code line about licenses.

Alan
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