hash: remove unnecessary pause

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@dpdk.org
Signed-off-by: Yipeng Wang <yipeng1.wang@intel.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>

diff --git a/lib/librte_hash/rte_cuckoo_hash.c b/lib/librte_hash/rte_cuckoo_hash.c
index 0648a22..5ddcccd 100644 (file)
--- a/lib/librte_hash/rte_cuckoo_hash.c
+++ b/lib/librte_hash/rte_cuckoo_hash.c
@@ -27,7 +27,6 @@
 #include <rte_spinlock.h>
 #include <rte_ring.h>
 #include <rte_compat.h>
-#include <rte_pause.h>
 
 #include "rte_hash.h"
 #include "rte_cuckoo_hash.h"
@@ -574,14 +573,14 @@ 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 */