Re: [powerpc][5.13.0-rc7] Kernel warning (kernel/sched/fair.c:401) while running LTP tests

[Odin Ugedal]

man. 21. jun. 2021 kl. 18:22 skrev Vincent Guittot <vincent.guittot@xxxxxxxxxx>:
> I would prefer that we use the reason of adding the cfs in the list instead.
>
> Something like the below should also fixed the problem. It is based on a
> proposal I made to Rik sometimes ago when he tried to flatten the rq:
> https://lore.kernel.org/lkml/20190906191237.27006-6-riel@xxxxxxxxxxx/
>
> This will ensure that a cfs is added in the list whenever one of its  child
> is still in the list.

Oh, yeah, that is a much more elegant solution! It fixes the issue as well!

Feel free to add this when/if you submit it as a patch:
Acked-by: Odin Ugedal <odin@xxxxxxx>

Odin