Re: [PATCH 0/3] sched: Fix wakeup preemption regression

From: Matt Fleming
Date: Thu May 12 2016 - 06:52:42 EST


On Tue, 10 May, at 07:43:14PM, Peter Zijlstra wrote:
> A recent commit caused an interactivity/starvation issue because we wrecked rq
> local wakeup preemption.
>
> These patches rectify this while also (hopefully) keeping the problem that led
> to the fault patch fixed.
>
> Mike, Pavan, could you guys please confirm?

FWIW, I took a quick look over these patches and they made sense to
me. (I appreciate the comment block above enqueue_entity())