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

man. 21. jun. 2021 kl. 18:22 skrev Vincent Guittot [off-list ref]:

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@surriel.com/ (local)

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 <redacted>

Odin