On Wed, 29 May 2019, Jiri Kosina wrote: > The target kernel only onlines the CPUs which were online at the time of > hibernation (and are therefore in frozen_cpus mask).
Hm, there is a catch though. After resume, the SMT siblings are now in hlt instead of mwait. Which means that the resumed kernel has to do one more online/offline cycle for them, to push them to mwait again. Bah. I'll send v3 shortly, so please don't apply v2 just yet. -- Jiri Kosina SUSE Labs
