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Date:	Fri, 13 Sep 2013 15:40:40 +0000
From:	Christoph Lameter <>
To:	Peter Zijlstra <>
cc:	Frederic Weisbecker <>,
	Andrew Morton <>,
	Gilad Ben-Yossef <>,
	Thomas Gleixner <>,
	Mike Frysinger <>,,
	"Paul E. McKenney" <>,
	Ingo Molnar <>
Subject: Re: [RFC] Restrict kernel spawning of threads to a specified set of

Hmmm... usermodehelper is based on workqueues. I guess this will
ultimately come down to modify the workqueue behavior for

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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