Re: CONFIG_PROVE_RCU breaks proprietary modules (rcu_lock_map)

[Tilman Schmidt]

Am 29.03.2010 17:09 schrieb Paul E. McKenney:
> On Sun, Mar 21, 2010 at 10:04:42PM +0100, Tilman Schmidt wrote:
[...]
>> So if building a proprietary module fails with the message:
>>
>> FATAL: modpost: GPL-incompatible module <module> uses GPL-only symbol
>> 'rcu_lock_map'
>>
>> try rebuilding your kernel with the PROVE_RCU option disabled.
>>
>> Hope it helps someone.
> 
> I am comfortable with PROVE_RCU being incompatible with non-GPL modules.
> After all, it is only a debugging option, not intended for production use.

I agree completely. I just wanted to publish that fact because it seems
to be little known and can be quite a puzzler.

Thanks,
Tilman

-- 
Tilman Schmidt                    E-Mail: tilman@xxxxxxx
Bonn, Germany
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