[dpdk-dev] [PATCH v9 2/5] pflock: use wait until scheme for read pflock

[Feifei Wang]

Instead of polling for read pflock update, use wait until scheme for
this case.

Jira: ENTNET-2903
Signed-off-by: Feifei Wang <feifei.wang2 at arm.com>
Reviewed-by: Ruifeng Wang <ruifeng.wang at arm.com>
Acked-by: Jerin Jacob <jerinj at marvell.com>
---
 lib/eal/include/generic/rte_pflock.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/eal/include/generic/rte_pflock.h b/lib/eal/include/generic/rte_pflock.h
index e57c179ef2..5d2864ee8e 100644
--- a/lib/eal/include/generic/rte_pflock.h
+++ b/lib/eal/include/generic/rte_pflock.h
@@ -121,9 +121,7 @@ rte_pflock_read_lock(rte_pflock_t *pf)
 		return;
 
 	/* Wait for current write phase to complete. */
-	while ((__atomic_load_n(&pf->rd.in, __ATOMIC_ACQUIRE)
-		& RTE_PFLOCK_WBITS) == w)
-		rte_pause();
+	RTE_WAIT_UNTIL_MASKED(&pf->rd.in, RTE_PFLOCK_WBITS, !=, w, __ATOMIC_ACQUIRE);
 }
 
 /**
-- 
2.25.1