Re: [tip:sched/urgent] sched: Teach might_sleep() about preemptible RCU

Paul E. McKenney
2009-12-16T15:30:27Z

On Wed, Dec 16, 2009 at 03:25:36PM +0100, Ingo Molnar wrote:
>
> * tip-bot for Frederic Weisbecker <fweisbec@gmail.com> wrote:
>
> > Commit-ID: ba1b1cbcc9b458c4b9ebb28c9cf6a2ccf64ba1cd
> > Gitweb: http://git.kernel.org/tip/ba1b1cbcc9b458c4b9ebb28c9cf6a2ccf64ba1cd
> > Author: Frederic Weisbecker <fweisbec@gmail.com>
> > AuthorDate: Mon, 14 Dec 2009 23:44:32 +0100
> > Committer: Ingo Molnar <mingo@elte.hu>
> > CommitDate: Wed, 16 Dec 2009 08:43:16 +0100
> >
> > sched: Teach might_sleep() about preemptible RCU
>
> Causes a build failure, so skipped this patch for now:
>
> kernel/sched.c:9661: error: implicit declaration of function 'rcu_preempt_depth'

I guess my testing missed something. :-/ Could you please send the
.config file that caused this?

Thanx, Paul