KTHREAD_INTR
if ((flag & KTHREAD_INTR) != 0) {
KASSERT((flag & KTHREAD_INTR) == 0 || (flag & KTHREAD_MPSAFE) != 0);
(flag & (KTHREAD_INTR|KTHREAD_IDLE)) == KTHREAD_IDLE ? ci : NULL);
error = kthread_create(pri, KTHREAD_MPSAFE | KTHREAD_INTR |
KTHREAD_MPSAFE | KTHREAD_INTR,
if (flags & KTHREAD_INTR)