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Re: [RFC][PATCH 04/11] sched: Rework TASK_DEAD preemption exception

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On Tue, Sep 29, 2015 at 11:28:29AM +0200, Peter Zijlstra wrote:
> TASK_DEAD is special in that the final schedule call from do_exit()
> must be done with preemption disabled.
> 
> This leads to a violation of our new scheduling invariant which states
> that the preempt count should be 2. Move the check for TASK_DEAD out
> of the debug check and use it to decrement the preempt count (from 2
> to 1).
> 
> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>

Reviewed-by: Frederic Weisbecker <fweisbec@gmail.com>
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[RFC][PATCH 04/11] sched: Rework TASK_DEAD preemption exception Peter Zijlstra <peterz@infradead.org> - 2015-09-29 11:50 +0200
  Re: [RFC][PATCH 04/11] sched: Rework TASK_DEAD preemption exception Frederic Weisbecker <fweisbec@gmail.com> - 2015-09-29 15:50 +0200
  Re: [RFC][PATCH 04/11] sched: Rework TASK_DEAD preemption exception Steven Rostedt <rostedt@goodmis.org> - 2015-09-29 17:20 +0200

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