From bcaa44ced6fe456835f3f73d184ab2345e39d367 Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Mon, 26 Oct 2020 11:27:13 +0100 Subject: avf: use atomic store instead of barrier Type: improvement Change-Id: Ifea5f0c2fecb99fd320a2e1141f4b4f0d6a793ca Signed-off-by: Damjan Marion --- src/plugins/avf/input.c | 3 +-- src/plugins/avf/output.c | 4 ++-- 2 files changed, 3 insertions(+), 4 deletions(-) (limited to 'src/plugins') diff --git a/src/plugins/avf/input.c b/src/plugins/avf/input.c index 0ccf7721835..9d677ab96d5 100644 --- a/src/plugins/avf/input.c +++ b/src/plugins/avf/input.c @@ -125,8 +125,7 @@ avf_rxq_refill (vlib_main_t * vm, vlib_node_runtime_t * node, avf_rxq_t * rxq, n_alloc -= 8; } - CLIB_MEMORY_STORE_BARRIER (); - *(rxq->qrx_tail) = slot; + clib_atomic_store_rel_n (rxq->qrx_tail, slot); } diff --git a/src/plugins/avf/output.c b/src/plugins/avf/output.c index e5b53ba5457..de645319e73 100644 --- a/src/plugins/avf/output.c +++ b/src/plugins/avf/output.c @@ -257,8 +257,8 @@ avf_tx_enqueue (vlib_main_t * vm, vlib_node_runtime_t * node, avf_txq_t * txq, d[0].qword[1] |= AVF_TXD_CMD_RS; } - CLIB_MEMORY_BARRIER (); - *(txq->qtx_tail) = txq->next = next & mask; + txq->next = next & mask; + clib_atomic_store_rel_n (txq->qtx_tail, txq->next); txq->n_enqueued += n_desc; return n_packets - n_packets_left; } -- cgit 1.2.3-korg