* Cause a process which is running on another CPU to enter
* kernel-mode, without any delay. (to get signals handled.)
*
- * NOTE: this function doesnt have to take the runqueue lock,
+ * NOTE: this function doesn't have to take the runqueue lock,
* because all it wants to ensure is that the remote task enters
* the kernel. If the IPI races and the task has been migrated
* to another CPU then no harm is done and the purpose has been
try_to_wake_up_local(to_wakeup);
}
deactivate_task(rq, prev, DEQUEUE_SLEEP);
+
+ /*
+ * If we are going to sleep and we have plugged IO queued, make
+ * sure to submit it to avoid deadlocks.
+ */
+ if (blk_needs_flush_plug(prev)) {
+ raw_spin_unlock(&rq->lock);
+ blk_schedule_flush_plug(prev);
+ raw_spin_lock(&rq->lock);
+ }
}
switch_count = &prev->nvcsw;
}
- /*
- * If we are going to sleep and we have plugged IO queued, make
- * sure to submit it to avoid deadlocks.
- */
- if (prev->state != TASK_RUNNING && blk_needs_flush_plug(prev)) {
- raw_spin_unlock(&rq->lock);
- blk_flush_plug(prev);
- raw_spin_lock(&rq->lock);
- }
-
pre_schedule(rq, prev);
if (unlikely(!rq->nr_running))
*/
raw_spin_lock_irqsave(&p->pi_lock, flags);
/*
- * To be able to change p->policy safely, the apropriate
+ * To be able to change p->policy safely, the appropriate
* runqueue lock must be held.
*/
rq = __task_rq_lock(p);
do_each_thread(g, p) {
/*
* reset the NMI-timeout, listing all files on a slow
- * console might take alot of time:
+ * console might take a lot of time:
*/
touch_nmi_watchdog();
if (!state_filter || (p->state & state_filter))
break;
#endif
}
+
+ update_max_interval();
+
return NOTIFY_OK;
}