diff options
| author |   Damjan Marion <damarion@cisco.com> | 2020-10-26 11:27:13 +0100 |
|---|---|---|
| committer |   Ole Tr�an <otroan@employees.org> | 2020-10-26 14:16:59 +0000 |
| commit | bcaa44ced6fe456835f3f73d184ab2345e39d367 (patch) | |
| tree | b493d09d2494eb87a8424fc86c7e0db9e26f2dbd | |
| parent | efe4331450326eb090e9844d3a22d05c5f3750fe (diff) | |
avf: use atomic store instead of barrier
Type: improvement
Change-Id: Ifea5f0c2fecb99fd320a2e1141f4b4f0d6a793ca
Signed-off-by: Damjan Marion <damarion@cisco.com>
| -rw-r--r-- | src/plugins/avf/input.c | 3 | ||||
| -rw-r--r-- | src/plugins/avf/output.c | 4 |
2 files changed, 3 insertions, 4 deletions
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; } |