event/dsw: remove unnecessary read barrier

Remove unnecessary read barrier (and misleading comment) on control
message dequeue.

Fixes: f6257b22e767 ("event/dsw: add load balancing")
Cc: stable@dpdk.org
Suggested-by: Ola Liljedahl <ola.liljedahl@arm.com>
Signed-off-by: Mattias Rönnblom <mattias.ronnblom@ericsson.com>

diff --git a/drivers/event/dsw/dsw_event.c b/drivers/event/dsw/dsw_event.c
index c31a4c4..94c8efd 100644 (file)
--- a/drivers/event/dsw/dsw_event.c
+++ b/drivers/event/dsw/dsw_event.c
@@ -1065,11 +1065,6 @@ dsw_port_ctl_process(struct dsw_evdev *dsw, struct dsw_port *port)
 {
        struct dsw_ctl_msg msg;
 
-       /* So any table loads happens before the ring dequeue, in the
-        * case of a 'paus' message.
-        */
-       rte_smp_rmb();
-
        if (dsw_port_ctl_dequeue(port, &msg) == 0) {
                switch (msg.type) {
                case DSW_CTL_PAUS_REQ: