diff options
Diffstat (limited to 'src/vnet/devices/virtio')
| -rw-r--r-- | src/vnet/devices/virtio/virtio.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/vnet/devices/virtio/virtio.c b/src/vnet/devices/virtio/virtio.c index e84490ba575..2e49c798c7c 100644 --- a/src/vnet/devices/virtio/virtio.c +++ b/src/vnet/devices/virtio/virtio.c @@ -109,10 +109,13 @@ virtio_vring_init (vlib_main_t * vm, virtio_if_t * vif, u16 idx, u16 sz) if (idx & 1) { clib_memset_u32 (vring->buffers, ~0, sz); + // tx path: suppress the interrupts from kernel + vring->call_fd = -1; } + else + vring->call_fd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); vring->size = sz; - vring->call_fd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); vring->kick_fd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); virtio_log_debug (vif, "vring %u size %u call_fd %d kick_fd %d", idx, vring->size, vring->call_fd, vring->kick_fd); @@ -163,9 +166,7 @@ virtio_vring_free_tx (vlib_main_t * vm, virtio_if_t * vif, u32 idx) virtio_vring_t *vring = vec_elt_at_index (vif->txq_vrings, TX_QUEUE_ACCESS (idx)); - clib_file_del_by_index (&file_main, vring->call_file_index); close (vring->kick_fd); - close (vring->call_fd); if (vring->used) { virtio_free_buffers (vm, vring); |