Re: [PATCH] ptr_ring: Remove now-redundant smp_read_barrier_depends()

[David Miller]

From: Andrea Parri <parri.andrea@xxxxxxxxx>
Date: Fri, 16 Feb 2018 12:06:13 +0100

> Because READ_ONCE() now implies smp_read_barrier_depends(), the
> smp_read_barrier_depends() in __ptr_ring_consume() is redundant;
> this commit removes it and updates the comments.
> 
> Signed-off-by: Andrea Parri <parri.andrea@xxxxxxxxx>

Ok, if READ_ONCE() does a barrier now, this change makes sense.

Applied to net-next, thank you.