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Date: Wed, 14 Sep 2016 09:50:05 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Cheng Chao <cs.os.kernel@gmail.com>
Cc: Oleg Nesterov <oleg@redhat.com>, mingo@kernel.org, tj@kernel.org,
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Subject: Re: [PATCH v3] stop_machine: Make migration_cpu_stop() does useful
 works for CONFIG_PREEMPT_NONE
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On Wed, Sep 14, 2016 at 10:07:14AM +0800, Cheng Chao wrote:
> 
> great, __schedule() doesn't need pay any attention to the TASK_DEAD now.

There's still __schedule()->context_switch()->finish_task_switch().