Re: [RESEND PATCH] tick/nohz: Fix wrong NOHZ idle CPU state

[Christoph Lameter (Ampere)]

On Wed, 11 Mar 2026, Frederic Weisbecker wrote:

> https://lore.kernel.org/lkml/aY3k1_JJjPFUhPd4@localhost.localdomain/
>
> > There is no cpu isolation/cgroups or other black magic involved here.
>
> Too bad, static task placement would fix your issue and domain isolation
> would improve your workload.

NOHZ Scheduling is broken and user space should fix it by pinning
tasks?

The scheduler should spread new tasks over available NOHZ_FULL cpus and
move tasks to NOHZ_FULL cpus if they are idle.