On Fri, Oct 27, 2023 at 04:40:46PM +0200, Frederic Weisbecker wrote: > Frederic Weisbecker (4): > rcu: Introduce rcu_cpu_online() > rcu/tasks: Handle new PF_IDLE semantics > rcu/tasks-trace: Handle new PF_IDLE semantics > sched: Exclude CPU boot code from PF_IDLE area Aside of that pre-existing ->on_rq usage I can't see anything wrong with this. Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>