tree 1454cb042a4b1ca1280dfda03bcaa1307dadb6f8
parent 052bd52fa978d3f04bc476137ad6e1b9a697f9bd
author Igor Mammedov <imammedo@redhat.com> 1444120647 +0200
committer Michael S. Tsirkin <mst@redhat.com> 1445513688 +0300

vhost: add vhost_has_free_slot() interface

it will allow for other parts of QEMU check if it's safe
to map memory region during hotplug/runtime.
That way hotplug path will have a chance to cancel
hotplug operation instead of crashing in vhost_commit().

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>