Re: [PATCH v3] stop_machine: Make migration_cpu_stop() does useful works for CONFIG_PREEMPT_NONE

[Peter Zijlstra]

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().