On Thu, May 26, 2022 at 12:19:17AM +0200, Frederic Weisbecker wrote: > On Thu, May 26, 2022 at 12:10:52AM +0200, Frederic Weisbecker wrote: > > @@ -1117,12 +1111,6 @@ static long rcu_nocb_rdp_offload(void *arg) > > struct rcu_data *rdp_gp = rdp->nocb_gp_rdp; > > > > WARN_ON_ONCE(rdp->cpu != raw_smp_processor_id()); > > - /* > > - * For now we only support re-offload, ie: the rdp must have been > > - * offloaded on boot first. > > - */ > > - if (!rdp->nocb_gp_rdp) > > - return -EINVAL; > > > > if (WARN_ON_ONCE(!rdp_gp->nocb_gp_kthread)) > > return -EINVAL; > > And why did I remove this critical check? I have no answer... Me, I was going to ask if rcutorture should (de)offload multiple CPUs in one go... ;-) Thanx, Paul