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SubjectRe: [PATCH RT] Defer migrate_enable migration while task state != TASK_RUNNING
On Mon, 26 Mar 2018 11:54:51 -0400
joe.korty@concurrent-rt.com wrote:

> Oh well. Makes me wonder why might_sleep is testing for
> !TASK_RUNNABLE though.

Because might_sleep() is used when the function might call schedule()
directly. And schedule() *will* change the task state to TASK_RUNNING.
might_sleep() has nothing to do with preemption.

-- Steve

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