From: Andrea Parri
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
Ok, if READ_ONCE() do
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
Cc: "David S. Miller"
Cc: "Michael S. Tsirkin"
Cc: Jason Wang
Cc: John Fastabend
Cc: Er
