Messages in this thread | | | Date | Sat, 4 Dec 2021 12:24:22 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH v2] sched/fair: Document the slow path and fast path in select_task_rq_fair |
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On Sat, Oct 16, 2021 at 07:11:09PM +0800, Barry Song wrote: > From: Barry Song <song.bao.hua@hisilicon.com> > > All People I know including myself took a long time to figure out > that typical wakeup will always go to fast path and never go to > slow path except WF_FORK and WF_EXEC. > Vincent reminded me once in a linaro meeting and made me understand > slow path won't happen for WF_TTWU. But my other friends repeatedly > wasted a lot of time on testing this path like me before I reminded > them. > So obviously the code needs some document. > > Cc: Vincent Guittot <vincent.guittot@linaro.org> > Signed-off-by: Barry Song <song.bao.hua@hisilicon.com> > ---
Thanks!
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