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| author |   Damjan Marion <damarion@cisco.com> | 2018-02-16 16:13:32 +0100 |
|---|---|---|
| committer |   Marco Varlese <marco.varlese@suse.de> | 2018-02-25 11:56:46 +0000 |
| commit | eed6a2b22f85aea2e3104cca2b78e325b9c9f8e5 (patch) | |
| tree | 4aa9bffd9afed97833b2be3c490e8669494ad763 /src/vnet/devices/virtio/device.c | |
| parent | c17f55d31f2e2f45939e37eccf2cd1c7ea4acd07 (diff) | |
virtio: add missing tx lock when running multithreaded
Change-Id: I373f429c53c6f66ad38322addcfaccddb7761392
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vnet/devices/virtio/device.c')
| -rw-r--r-- | src/vnet/devices/virtio/device.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/vnet/devices/virtio/device.c b/src/vnet/devices/virtio/device.c index ae8a116efee..c7efe6519cd 100644 --- a/src/vnet/devices/virtio/device.c +++ b/src/vnet/devices/virtio/device.c @@ -182,6 +182,8 @@ virtio_interface_tx_inline (vlib_main_t * vm, vlib_node_runtime_t * node, u16 mask = sz - 1; u32 *buffers = vlib_frame_args (frame); + clib_spinlock_lock_if_init (&vif->lockp); + /* free consumed buffers */ virtio_free_used_desc (vm, vring); @@ -221,6 +223,8 @@ virtio_interface_tx_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_buffer_free (vm, buffers, n_left); } + clib_spinlock_unlock_if_init (&vif->lockp); + return frame->n_vectors - n_left; } |