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avf: use atomic store instead of barrier
[vpp.git]
/
src
/
plugins
/
avf
/
output.c
diff --git
a/src/plugins/avf/output.c
b/src/plugins/avf/output.c
index
e5b53ba
..
de64531
100644
(file)
--- 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;
}
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;
}
txq->n_enqueued += n_desc;
return n_packets - n_packets_left;
}