[dpdk-dev] [PATCH v1 1/3] hash: fix unnecessary pause
Yipeng Wang
yipeng1.wang at intel.com
Wed Oct 10 23:48:03 CEST 2018
There is a rte_pause in hash table reset function.
Since the loop is not a polling loop on shared
data structure, the rte_pause is not needed.
Fixes: b26473ff8f4a ("hash: add reset function")
Cc: stable at dpdk.org
Signed-off-by: Yipeng Wang <yipeng1.wang at intel.com>
---
lib/librte_hash/rte_cuckoo_hash.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/librte_hash/rte_cuckoo_hash.c b/lib/librte_hash/rte_cuckoo_hash.c
index 750caf8..ea8107e 100644
--- a/lib/librte_hash/rte_cuckoo_hash.c
+++ b/lib/librte_hash/rte_cuckoo_hash.c
@@ -521,14 +521,14 @@ rte_hash_reset(struct rte_hash *h)
/* clear the free ring */
while (rte_ring_dequeue(h->free_slots, &ptr) == 0)
- rte_pause();
+ continue;
/* clear free extendable bucket ring and memory */
if (h->ext_table_support) {
memset(h->buckets_ext, 0, h->num_buckets *
sizeof(struct rte_hash_bucket));
while (rte_ring_dequeue(h->free_ext_bkts, &ptr) == 0)
- rte_pause();
+ continue;
}
/* Repopulate the free slots ring. Entry zero is reserved for key misses */
--
2.7.4
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