Re: [ANNOUNCE] linux-7.2-ck1, MuQSS CPU scheduler for linux-7.2

[Con Kolivas]

On Tue, 18 Aug 2026 at 00:33, Jonathan Corbet <corbet@xxxxxxx> wrote:
>
> Con Kolivas <con@xxxxxxxxxxx> writes:
>
> > Announcing the return of the first stable version of my out-of-tree
> > patchset - not for mainline inclusion consideration.
> >
> > Tag:
> > https://github.com/ckolivas/linux/releases/tag/v7.2-ck1
> > Tree:
> > https://github.com/ckolivas/linux/tree/7.2-ck
> >
> > The -ck patchset aims to improve desktop/mobile device responsiveness,
> > interactivity, and gaming, mostly by replacing the CPU scheduler
> > en-bloc with my EEVDF, configurable runqueue sharing, MultiQueue
> > Skiplist Scheduler.
> >
> > It's been 10 years since I originally abandoned the patchset for time
> > reasons, but LLMs have made merging and development infinitely easier.
>
> I'm genuinely curious: have you considered moving this work to
> sched_ext?  That would instantly make it much more widely available for
> people to try out and actually use.

Considered yes. It would work for the scheduling policy but there's no
way to extend it to runqueue sharing which provides half the benefit.

Thanks,
Con
>
> Thanks,
>
> jon