From f25e7cfa5c615e1972d5823b65ca579f951d68a5 Mon Sep 17 00:00:00 2001 From: jaszha03 Date: Wed, 12 Jun 2019 16:01:19 -0500 Subject: vppinfra: refactor use of CLIB_MEMORY_BARRIER () All instances of test_and_set locks used the following sequence to release the locks: CLIB_MEMORY_BARRIER (); p->lock = 0; // p is a generic struct with a TAS lock Use clib_atomic_release to generate more efficient assembly code. Type: refactor Change-Id: Idca3a38b1cf43578108bdd1afe83b6ebc17a4c68 Signed-off-by: Jason Zhang Reviewed-by: Honnappa Nagarahalli Reviewed-by: Lijian Zhang --- src/vnet/classify/vnet_classify.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'src/vnet/classify/vnet_classify.c') diff --git a/src/vnet/classify/vnet_classify.c b/src/vnet/classify/vnet_classify.c index 64549a6e0d5..f5e49491b25 100755 --- a/src/vnet/classify/vnet_classify.c +++ b/src/vnet/classify/vnet_classify.c @@ -640,8 +640,7 @@ expand_ok: vnet_classify_entry_free (t, v, old_log2_pages); unlock: - CLIB_MEMORY_BARRIER (); - t->writer_lock[0] = 0; + clib_atomic_release (&t->writer_lock[0]); return rv; } -- cgit 1.2.3-korg