diff options
| -rw-r--r-- | drivers/net/virtio_net.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index b82f6b8a8231..befc30b3abb1 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -6107,6 +6107,17 @@ err_ctrl: return -ENOMEM; } +static void virtnet_rq_set_premapped(struct virtnet_info *vi) +{ + int i; + + for (i = 0; i < vi->max_queue_pairs; i++) { + /* error should never happen */ + BUG_ON(virtqueue_set_dma_premapped(vi->rq[i].vq)); + vi->rq[i].do_dma = true; + } +} + static int init_vqs(struct virtnet_info *vi) { int ret; @@ -6120,6 +6131,10 @@ static int init_vqs(struct virtnet_info *vi) if (ret) goto err_free; + /* disable for big mode */ + if (!vi->big_packets || vi->mergeable_rx_bufs) + virtnet_rq_set_premapped(vi); + cpus_read_lock(); virtnet_set_affinity(vi); cpus_read_unlock(); |