Re: [RFC PATCH v4 00/19] Core scheduling v4

Joel Fernandes
2020-03-18T01:11:02Z

Hi Tim,

On Tue, Mar 17, 2020 at 01:18:45PM -0700, Tim Chen wrote:
[..]
> Did you guys have a chance to try out v5 core scheduler?
>
> > - Joel(ChromeOS) found a deadlock and crash on PREEMPT kernel in the
> > coreshed idle balance logic
>
> We did some patches to fix a few stability issues in v4. I wonder
> if v5 still has the deadlock that you saw before?

I have not yet tested v5. I fixed the RCU-related deadlock in the scheduler
with this patch sent few days ago:
https://lore.kernel.org/patchwork/patch/1209561/

I'll rebase my tree on v5 soon.

Thanks!

- Joel