virtio_net: allow specifying context for rx

With mergeable buffers we never use s/g for rx,
so allow specifying context in that case.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2017-03-06 20:31:21 +02:00
commit d45b897b11