[PATCH v2 1/5] baseband/acc: fix memory barrier

[Hernan Vargas <hernan.vargas@intel.com>]

Moving memory barrier so that dequeue thread can be in sync with enqueue
thread.

Fixes: 32e8b7ea35dd ("baseband/acc100: refactor to segregate common code")
Cc: stable@dpdk.org

Signed-off-by: Hernan Vargas <hernan.vargas@intel.com>
---
 drivers/baseband/acc/acc_common.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/baseband/acc/acc_common.h b/drivers/baseband/acc/acc_common.h
index fddeb0737b8b..e249f37e38fe 100644
--- a/drivers/baseband/acc/acc_common.h
+++ b/drivers/baseband/acc/acc_common.h
@@ -1112,6 +1112,9 @@ acc_dma_enqueue(struct acc_queue *q, uint16_t n,
 				req_elem_addr,
 				(void *)q->mmio_reg_enqueue);
 
+		q->aq_enqueued++;
+		q->sw_ring_head += enq_batch_size;
+
 		rte_wmb();
 
 		/* Start time measurement for enqueue function offload. */
@@ -1122,8 +1125,6 @@ acc_dma_enqueue(struct acc_queue *q, uint16_t n,
 
 		queue_stats->acc_offload_cycles += rte_rdtsc_precise() - start_time;
 
-		q->aq_enqueued++;
-		q->sw_ring_head += enq_batch_size;
 		n -= enq_batch_size;
 
 	} while (n);
-- 
2.37.1