> On Apr 2, 2020, at 11:54 AM, Paul E. McKenney <paulmck@xxxxxxxxxx> wrote: > > I do run this combination quite frequently, but only as part of > rcutorture, which might not be a representative workload. For one thing, > it has a minimal userspace consisting only of a trivial init program. > I don't recall having ever seen this. (I have seen one recent complaint > about an IPI being sent to an offline CPU, but I cannot prove that this > was not due to RCU bugs that I was chasing at the time.) Yes, a trivial init is tough while running systemd should be able to catch it as it will use cgroup.
