From 138399196dcb2fb926cc2dbeedfcdb4bf1f1401b Mon Sep 17 00:00:00 2001
From: wu-changsheng <wuchangsheng2@huawei.com>
Date: Sat, 3 Sep 2022 21:31:15 +0800
Subject: [PATCH 19/20] del gazelle ring cons.tail atomic protect

---
 src/common/dpdk_common.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/common/dpdk_common.h b/src/common/dpdk_common.h
index 987fbdd..1c3e7e8 100644
--- a/src/common/dpdk_common.h
+++ b/src/common/dpdk_common.h
@@ -141,7 +141,7 @@ static __rte_always_inline uint32_t gazelle_light_ring_dequeue_burst(struct rte_
 static __rte_always_inline uint32_t gazelle_ring_sp_enqueue(struct rte_ring *r, void **obj_table, uint32_t n)
 {
     uint32_t head = __atomic_load_n(&r->cons.head, __ATOMIC_ACQUIRE);
-    uint32_t tail = __atomic_load_n(&r->cons.tail, __ATOMIC_ACQUIRE);
+    uint32_t tail = r->cons.tail;
 
     uint32_t entries = r->capacity + tail - head;
     if (n > entries) {
@@ -158,8 +158,8 @@ static __rte_always_inline uint32_t gazelle_ring_sp_enqueue(struct rte_ring *r,
 
 static __rte_always_inline uint32_t gazelle_ring_sc_dequeue(struct rte_ring *r, void **obj_table, uint32_t n)
 {
-    uint32_t cons = __atomic_load_n(&r->cons.tail, __ATOMIC_ACQUIRE);
     uint32_t prod = __atomic_load_n(&r->prod.tail, __ATOMIC_ACQUIRE);
+    uint32_t cons = r->cons.tail;
 
     uint32_t entries = prod - cons;
     if (n > entries) {
@@ -172,7 +172,7 @@ static __rte_always_inline uint32_t gazelle_ring_sc_dequeue(struct rte_ring *r,
 
     __rte_ring_dequeue_elems(r, cons, obj_table, sizeof(void *), n);
 
-    __atomic_store_n(&r->cons.tail, cons + n, __ATOMIC_RELEASE);
+    r->cons.tail = cons + n;
 
     return n;
 }
-- 
2.23.0