On Mon, Mar 22, 2021 at 12:45:22PM -0700, Paul E. McKenney wrote: > On Mon, Mar 22, 2021 at 08:00:35PM +0100, Frederic Weisbecker wrote: > > But poll_state_synchronize_rcu() checks that the gp_num has changed, > > which is not needed for cond_synchronize_rcu() since this it is > > only allowed to be called from a QS. > > Good catch, and thank you! Back to a single might_sleep() it is! And then: Reviewed-by: Frederic Weisbecker <frederic@xxxxxxxxxx> Thanks!