Re: Very high CPU load when idle with 3.0-rc1

Peter Zijlstra
2011-05-30T16:48:13Z

On Mon, 2011-05-30 at 09:41 -0700, Paul E. McKenney wrote:
> > > +static void __cpuinit rcu_wake_one_boost_kthread(struct rcu_node *rnp)
> > > +{
> > > + if (rnp->boost_kthread_task)
> > > + wake_up_process(rnp->boost_thread_task);
>
> And this needs to be:
>
> wake_up_process(rnp->boost_kthread_task);
>
> I fixed this in my tree, continuing testing.

d'oh yes.