Commit 6ca84326 authored by Mike Christie's avatar Mike Christie Committed by Michael S. Tsirkin
Browse files

vhost: flush dev once during vhost_dev_stop 



When vhost_work_dev_flush returns all work queued at that time will have
completed. There is then no need to flush after every vhost_poll_stop
call, and we can move the flush call to after the loop that stops the
pollers.

Signed-off-by: default avatarMike Christie <michael.christie@oracle.com>
Acked-by: default avatarJason Wang <jasowang@redhat.com>
Reviewed-by: default avatarStefano Garzarella <sgarzare@redhat.com>
Message-Id: <20220517180850.198915-3-michael.christie@oracle.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 6fcf224c

drivers/vhost/vhost.c

+3 −3
Original line number Diff line number Diff line
@@ -653,11 +653,11 @@ void vhost_dev_stop(struct vhost_dev *dev) 
	int i;



	for (i = 0; i < dev->nvqs; ++i) {

		if (dev->vqs[i]->kick && dev->vqs[i]->handle_kick) {

		if (dev->vqs[i]->kick && dev->vqs[i]->handle_kick)

			vhost_poll_stop(&dev->vqs[i]->poll);

			vhost_work_dev_flush(dev->vqs[i]->poll.dev);

		}

	}



	vhost_work_dev_flush(dev);

}

EXPORT_SYMBOL_GPL(vhost_dev_stop);