diff --git a/lib/ring/rte_ring_c11_pvt.h b/lib/ring/rte_ring_c11_pvt.h index 759192f4c4..37e0b2afd6 100644 --- a/lib/ring/rte_ring_c11_pvt.h +++ b/lib/ring/rte_ring_c11_pvt.h @@ -2,6 +2,7 @@ * * Copyright (c) 2017,2018 HXT-semitech Corporation. * Copyright (c) 2007-2009 Kip Macy kmacy@freebsd.org + * Copyright (c) 2021 Arm Limited * All rights reserved. * Derived from FreeBSD's bufring.h * Used as BSD-3 Licensed with permission from Kip Macy. @@ -21,8 +22,7 @@ __rte_ring_update_tail(struct rte_ring_headtail *ht, uint32_t old_val, * we need to wait for them to complete */ if (!single) - while (unlikely(ht->tail != old_val)) - rte_pause(); + rte_wait_until_equal_32(&ht->tail, old_val, __ATOMIC_RELAXED); __atomic_store_n(&ht->tail, new_val, __ATOMIC_RELEASE); } diff --git a/lib/ring/rte_ring_generic_pvt.h b/lib/ring/rte_ring_generic_pvt.h index 532deb5e7a..c95ad7e12c 100644 --- a/lib/ring/rte_ring_generic_pvt.h +++ b/lib/ring/rte_ring_generic_pvt.h @@ -23,8 +23,7 @@ __rte_ring_update_tail(struct rte_ring_headtail *ht, uint32_t old_val, * we need to wait for them to complete */ if (!single) - while (unlikely(ht->tail != old_val)) - rte_pause(); + rte_wait_until_equal_32(&ht->tail, old_val, __ATOMIC_RELAXED); ht->tail = new_val; }