From: Yipeng Wang <yipeng1.wang@intel.com>
Date: Fri, 26 Oct 2018 09:53:41 +0000 (-0700)
Subject: hash: remove unnecessary pause
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=2d28bb5ddd0fb7c3bed44f3f3fbc7a7bc449ea7a;p=dpdk.git

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 0648a22941..5ddcccd878 100644
--- 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 */