[v7,6/7] net/thunderx: use new API to save cycles on aarch64
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Commit Message
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.hu@arm.com>
Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>
---
drivers/net/thunderx/nicvf_rxtx.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
@@ -385,8 +385,7 @@ nicvf_fill_rbdr(struct nicvf_rxq *rxq, int to_fill)
ltail++;
}
- while (__atomic_load_n(&rbdr->tail, __ATOMIC_RELAXED) != next_tail)
- rte_pause();
+ rte_wait_until_equal_relaxed_32(&rbdr->tail, next_tail);
__atomic_store_n(&rbdr->tail, ltail, __ATOMIC_RELEASE);
nicvf_addr_write(door, to_fill);