On Wed, Jun 03, 2020 at 09:46:00AM -0700, Paul E. McKenney wrote:
> > // RCU is now watching. Better not be in an extended quiescent state!
> > rcu_dynticks_task_trace_exit(); // After ->dynticks update!
> > WARN_ON_ONCE(IS_ENABLED(CONFIG_RCU_EQS_DEBUG) &&
> > !(seq & RCU_DYNTICK_CTRL_CTR));
> > if (seq & RCU_DYNTICK_CTRL_MASK) {
> > - atomic_andnot(RCU_DYNTICK_CTRL_MASK, &rdp->dynticks);
> > + arch_atomic_andnot(RCU_DYNTICK_CTRL_MASK, &rdp->dynticks);
>
> This one is gone in -rcu.
I'm still seeing that in mainline, was that removal scheduled for next
round?
> > smp_mb__after_atomic(); /* _exit after clearing mask. */
> > }
> > }
What shall we do with this patch?
