[PATCH 3/3] arm64: rebuild sched domains on invariance status changes

Quentin Perret qperret at google.com
Fri Sep 25 09:59:00 EDT 2020

Hey Ionela,

On Thursday 24 Sep 2020 at 17:10:02 (+0100), Ionela Voinescu wrote:
> I'm not sure what is a good way of fixing this.. I could add more info
> to the warning to suggest it might be temporary ("Disabling EAS:
> frequency-invariant load tracking currently not supported"). For further
> debugging there are the additional prints guarded by sched_debug().
> I'll look over the code some more to see if other ideas pop out. Any
> suggestions are appreciated.

Right, I'm not seeing anything perfect here, but I think I'd be
personally happy with this message being entirely guarded by
sched_debug(), like we do for asym CPU capacities for instance.

It's not easy to see if EAS has started at all w/o sched debug anyway,
so I expect folks who need it to enable the debug stuff during
bring-up. With a descriptive enough warn message, that should be just
fine. But that's my 2p, so I'm happy to hear if others disagree.


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