Re: linux-next 20111025: warnings in rcu_idle_exit_common()/rcu_idle_enter_common()

Paul E. McKenney
2011-11-02T15:26:18Z

On Wed, Nov 02, 2011 at 10:51:52AM -0400, Steven Rostedt wrote:
> On Wed, 2011-11-02 at 07:44 -0700, Paul E. McKenney wrote:
>
> > rcu: Fix idle-task checks
> >
> > RCU has traditionally relied on idle_cpu() to determine whether a given
> > CPU is running in the context of an idle task, but recent changes have
> > invalidated this approach. This commit therefore switches from idle_cpu
> > to "current->pid != 0".
> >
> > Suggested-by: Carsten Emde <C.Emde@osadl.org>
>
>
>
> > Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
> > Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
>
>
> I always knew you had a split personality Paul ;)

Ah, but which is the Good Paul and which is the Evil Paul? ;-)

Thanx, Paul