diff options
| author |   Damjan Marion <damarion@cisco.com> | 2018-11-23 14:56:55 +0100 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2018-11-23 16:52:39 +0000 |
| commit | 96e8cd0e1d6c21e5f47470c146958a9845ee29a6 (patch) | |
| tree | 606082e01f2ce353f15fc0e28328a29ab5386ef0 /src | |
| parent | e61ad8d6c49d6c2fb30d29b446f6e6603c8b1de6 (diff) | |
vhost-user: use memory store barrier
Should be less expensive...
Change-Id: I678a39e42a054bf5f6ef9c59d0fb93ff9719b964
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/vnet/devices/virtio/vhost_user_input.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/vnet/devices/virtio/vhost_user_input.c b/src/vnet/devices/virtio/vhost_user_input.c index 570f0806772..97303ce3791 100644 --- a/src/vnet/devices/virtio/vhost_user_input.c +++ b/src/vnet/devices/virtio/vhost_user_input.c @@ -215,7 +215,7 @@ vhost_user_rx_discard_packet (vlib_main_t * vm, out: txvq->last_avail_idx = last_avail_idx; txvq->last_used_idx = last_used_idx; - CLIB_MEMORY_BARRIER (); + CLIB_MEMORY_STORE_BARRIER (); txvq->used->idx = txvq->last_used_idx; vhost_user_log_dirty_ring (vui, txvq, idx); return discarded_packets; @@ -589,7 +589,7 @@ vhost_user_if_input (vlib_main_t * vm, copy_len = 0; /* give buffers back to driver */ - CLIB_MEMORY_BARRIER (); + CLIB_MEMORY_STORE_BARRIER (); txvq->used->idx = last_used_idx; vhost_user_log_dirty_ring (vui, txvq, idx); } @@ -609,7 +609,7 @@ stop: } /* give buffers back to driver */ - CLIB_MEMORY_BARRIER (); + CLIB_MEMORY_STORE_BARRIER (); txvq->used->idx = txvq->last_used_idx; vhost_user_log_dirty_ring (vui, txvq, idx); |