Re: [RFC PATCH v2 4/5] sched/fair: Simplify load_cfs_rq_list maintenance

[Vincent Guittot]

On Tue, 14 Sept 2021 at 11:22, Michal Koutný <mkoutny@xxxxxxxx> wrote:
>
> On Fri, Sep 10, 2021 at 04:19:27PM +0200, Vincent Guittot <vincent.guittot@xxxxxxxxxx> wrote:
> > Your proposal looks interesting but I need more time to make sure that
> > all cases are covered. We have faced several odd corner cases and
> > sequences in the past that I need time to check that you don't put
> > some back
>
> Do you have any pointers to the cases that come to your mind? I wonder
> if those could be reproduced with a simple setup.

I don't have a strict list but several warnings for leaf_list have
been already reported on lkml in the past and the use cases were quite
complicated and I want to go through them to make sure they are still
covered.

Vincent

> (FTR, I used the LTP test (at b673f49ae) cfs_bandwidth01 to check this change.)
>
> Thanks,
> Michal