> On Nov 2, 2022, at 2:32 PM, Paul E. McKenney <paulmck@xxxxxxxxxx> wrote: > > On Wed, Nov 02, 2022 at 06:30:24PM +0100, Uladzislau Rezki wrote: >>> >>> to wait for a GP. Or if the poll_state_synchronize_rcu(oldstate)) != 0 >>> queue_rcu_work(). >>> >> A small fix. If poll_state_synchronize_rcu(oldstate)) == 0 then >> queue_rcu_work() since a GP is still in progress. > > Both get_state_synchronize_rcu() and poll_state_synchronize_rcu() > may be invoked from interrupt handlers. And from NMI handlers, > for that matter. Thanks for clarifying. I meant to say cond_synchronize_rcu() cannot be called from interrupt context, but I made that comment before Vlad cooked his patch. Thanks, - Joel > Thanx, Paul
