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SubjectRe: CONFIG_PROVE_RCU breaks proprietary modules (rcu_lock_map)
On Mon, Mar 29, 2010 at 07:53:59PM +0200, Tilman Schmidt wrote:
> 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.

And I do very much appreciate your publicizing the solution! ;-)

Thanx, Paul


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