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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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