SCX_OPS_OPEN
skel = SCX_OPS_OPEN(central_ops, scx_central);
skel = SCX_OPS_OPEN(cpu0_ops, scx_cpu0);
skel = SCX_OPS_OPEN(flatcg_ops, scx_flatcg);
skel = SCX_OPS_OPEN(pair_ops, scx_pair);
skel = SCX_OPS_OPEN(qmap_ops, scx_qmap);
skel = SCX_OPS_OPEN(sdt_ops, scx_sdt);
skel = SCX_OPS_OPEN(simple_ops, scx_simple);
skel = SCX_OPS_OPEN(userland_ops, scx_userland);
skel = SCX_OPS_OPEN(hotplug_nocb_ops, hotplug);