Use the new API to wait in low power state instead of continuous
polling to save CPU cycles and power.
Signed-off-by: Gavin Hu <gavin...@arm.com>
Reviewed-by: Ruifeng Wang <ruifeng.w...@arm.com>
Reviewed-by: Jerin Jacob <jer...@marvell.com>
---
drivers/event/opdl/opdl_ring.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/event/opdl/opdl_ring.c b/drivers/event/opdl/opdl_ring.c
index e8b29e2..f446fa3 100644
--- a/drivers/event/opdl/opdl_ring.c
+++ b/drivers/event/opdl/opdl_ring.c
@@ -17,6 +17,7 @@
#include <rte_memory.h>
#include <rte_memzone.h>
#include <rte_eal_memconfig.h>
+#include <rte_atomic.h>
#include "opdl_ring.h"
#include "opdl_log.h"
@@ -475,9 +476,7 @@ opdl_ring_input_multithread(struct opdl_ring *t, const void
*entries,
/* If another thread started inputting before this one, but hasn't
* finished, we need to wait for it to complete to update the tail.
*/
- while (unlikely(__atomic_load_n(&s->shared.tail, __ATOMIC_ACQUIRE) !=
- old_head))
- rte_pause();
+ rte_wait_until_equal_acquire_32(&s->shared.tail, old_head);
__atomic_store_n(&s->shared.tail, old_head + num_entries,
__ATOMIC_RELEASE);
--
2.7.4
