virtio: allow extra context per descriptor
authorMichael S. Tsirkin <mst@redhat.com>
Tue, 7 Feb 2017 04:15:13 +0000 (06:15 +0200)
committerMichael S. Tsirkin <mst@redhat.com>
Tue, 2 May 2017 20:41:43 +0000 (23:41 +0300)
commit5a08b04f637921e44ba767c07c74b0535504ab71
tree41123464f2875505de9989115a1104ceb974d589
parent0a12ae4024a5167c30444d722b0cbafbdb5f4b57
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>
drivers/virtio/virtio_ring.c
include/linux/virtio.h