Re: [PATCH RFC tip/core/rcu 05/15] percpu: READ_ONCE() now implies smp_read_barrier_depends()

[Tejun Heo]

On Mon, Oct 09, 2017 at 05:22:39PM -0700, Paul E. McKenney wrote:
> Because READ_ONCE() now implies smp_read_barrier_depends(), this commit
> removes the now-redundant smp_read_barrier_depends() following the
> READ_ONCE() in __ref_is_percpu().
> 
> Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
> Cc: Tejun Heo <tj@xxxxxxxxxx>
> Cc: Christoph Lameter <cl@xxxxxxxxx>

Acked-by: Tejun Heo <tj@xxxxxxxxxx>

Please feel free to route with other patches.  If this should be
routed through the percpu tree, please let me know.

Thanks.

-- 
tejun