On Wed, Sep 04, 2013 at 02:16:15PM +0200, Cornelia Huck wrote:
> Avoid trying to setup dataplane again if dataplane setup is already in
> progress. This may happen if an eventfd is triggered during setup.
>
> I saw this occasionally with an experimental s390 irqfd implementation:
>
> virtio_blk_h
Avoid trying to setup dataplane again if dataplane setup is already in
progress. This may happen if an eventfd is triggered during setup.
I saw this occasionally with an experimental s390 irqfd implementation:
virtio_blk_handle_output
-> virtio_blk_data_plane_start
-> virtio_ccw_set_host_notifier
