On 09/13, Peter Zijlstra wrote: > > On Tue, Sep 13, 2016 at 06:14:27PM +0200, Oleg Nesterov wrote: > > > Hmm. And preempt_enable_no_resched_notrace() under TASK_DEAD in > > __schedule() should be removed it seems, do_exit() can call __schedule() > > directly. > > something like so?
Yes, exactly. But I think that raw_spin_unlock_wait(&tsk->pi_lock) and its huge comment should be moved into the new helper too, this connects to set_current_state(TASK_DEAD). Oleg.
