Am Wed, 5 Sep 2018 12:55:58 +0200 schrieb Juergen Gross : > the last cpu Which one is the "last" one? I mean, if cpu#0 never can be offlined than perhaps the code should check for just that and return early. But if cpu#0 could be disabled while some other cpu is the remaining cpu, some other check is needed I think. Olaf