virtio: allow extra context per descriptor

Allow extra context per descriptor. To avoid slow down for data path,
this disables use of indirect descriptors for this vq.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2017-02-07 06:15:13 +02:00
commit 5a08b04f63
2 changed files with 66 additions and 13 deletions