f229a55c31
last kicked event index must be updated unconditionally: even if we don't need to kick, we do not want to re-check the same entry for events. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Cornelia Huck <cohuck@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com>
Partial implementation of various ring layouts, useful to tune virtio design. Uses shared memory heavily. Typical use: # sh run-on-all.sh perf stat -r 10 --log-fd 1 -- ./ring