Messages in this thread |  | | Date | Wed, 10 Jun 2015 10:07:29 -0400 | From | Steven Rostedt <> | Subject | Re: [RFC PATCH 09/18] kthread: Make it easier to correctly sleep in iterant kthreads |
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On Wed, 10 Jun 2015 11:07:24 +0200 Peter Zijlstra <peterz@infradead.org> wrote:
> > Not to mention, tasks in TASK_UNINTERRUPTIBLE state for too long will > > trigger hung task detection. > > Right, and I had not considered that, but it turns out the hung_task > detector checks p->state == TASK_UNINTERRUPTIBLE, so TASK_IDLE is indeed > safe from that.
Also, I would assume that TASK_IDLE only makes sense for kernel threads, I wonder if we should add an assertion in schedule that triggers if a task is scheduling with TASK_IDLE and is not a kernel thread (has its own mm?)
-- Steve
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