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SubjectRe: [RFC] Restrict kernel spawning of threads to a specified set of cpus.
Hmmm... usermodehelper is based on workqueues. I guess this will
ultimately come down to modify the workqueue behavior for
WORK_CPU_UNBOUND?

If WORK_CPU_UNBOUND could mean to limit process execution to the affinity
of kthreadd then we are fine.

That would also benefit many other workqueue events that may otherwise
disturb tickless cpus.





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