On Tue, Aug 03, 2021 at 04:16:14PM +0200, Sebastian Andrzej Siewior wrote: > The functions get_online_cpus() and put_online_cpus() have been > deprecated during the CPU hotplug rework. They map directly to > cpus_read_lock() and cpus_read_unlock(). > > Replace deprecated CPU-hotplug functions with the official version. > The behavior remains unchanged. > > Cc: "Paul E. McKenney" <paulmck@xxxxxxxxxx> > Cc: Josh Triplett <josh@xxxxxxxxxxxxxxxx> > Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> > Cc: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> > Cc: Lai Jiangshan <jiangshanlai@xxxxxxxxx> > Cc: Joel Fernandes <joel@xxxxxxxxxxxxxxxxx> > Cc: rcu@xxxxxxxxxxxxxxx > Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> I have queued this one and 35/38 (rcutorture) for v5.16. If you would prefer to send them some other route, please let me know and: Acked-by: Paul E. McKenney <paulmck@xxxxxxxxxx> > --- > kernel/rcu/tree.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c > index 51f24ecd94b26..f116ce58f4e68 100644 > --- a/kernel/rcu/tree.c > +++ b/kernel/rcu/tree.c > @@ -4050,7 +4050,7 @@ void rcu_barrier(void) > */ > init_completion(&rcu_state.barrier_completion); > atomic_set(&rcu_state.barrier_cpu_count, 2); > - get_online_cpus(); > + cpus_read_lock(); > > /* > * Force each CPU with callbacks to register a new callback. > @@ -4081,7 +4081,7 @@ void rcu_barrier(void) > rcu_state.barrier_sequence); > } > } > - put_online_cpus(); > + cpus_read_unlock(); > > /* > * Now that we have an rcu_barrier_callback() callback on each > -- > 2.32.0 >
