KD_PLUGIN
if ((kd->flags & KD_PLUGIN) == 0) {
kd->flags |= KD_PLUGIN;
if ((kd->flags & KD_PLUGIN) == 0) {
kd->flags |= KD_PLUGIN;
if ((kd->flags & KD_PLUGIN) == 0) {
kd->flags |= KD_PLUGIN;
if ((kd->flags & KD_PLUGIN) == 0) {
kd->flags |= KD_PLUGIN;