SSTATUS_VS_OFF
tf->tf_sstatus |= SSTATUS_FS_OFF | SSTATUS_VS_OFF;
tf->tf_sstatus |= SSTATUS_FS_OFF | SSTATUS_VS_OFF;
(frame->tf_sstatus & SSTATUS_VS_MASK) == SSTATUS_VS_OFF) {
p->p_addr->u_pcb.pcb_tf->tf_sstatus |= SSTATUS_VS_OFF;
KASSERT((pcb->pcb_tf->tf_sstatus & SSTATUS_VS_MASK) == SSTATUS_VS_OFF);
if ((tf->tf_sstatus & SSTATUS_VS_MASK) == SSTATUS_VS_OFF ||