intr_noint
if (intr_func[ipl] != intr_noint)
intr_func[ipl] = intr_noint;
static int intr_noint(void *);
intr_noint,
intr_noint,
intr_noint,
intr_noint,
intr_noint,
intr_noint,
intr_noint,
intr_noint