}
if (should_send_signal(p)) {
- if (!signal_pending(p))
- fake_signal_wake_up(p);
+ fake_signal_wake_up(p);
+ /*
+ * fake_signal_wake_up() goes through p's scheduler
+ * lock and guarantees that TASK_STOPPED/TRACED ->
+ * TASK_RUNNING transition can't race with task state
+ * testing in try_to_freeze_tasks().
+ */
} else if (sig_only) {
return false;
} else {