Instead of polling for read pflock update, use wait event scheme for
this case.
Signed-off-by: Feifei Wang <feifei.wa...@arm.com>
Reviewed-by: Ruifeng Wang <ruifeng.w...@arm.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..7573b036bf 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_event(&pf->rd.in, RTE_PFLOCK_WBITS, ==, w, __ATOMIC_ACQUIRE);
}
/**
--
2.25.1
