rcu: Make rcutorture flag online/offline failures

Make rcutorture check for CPU-hotplug failures and complain if there
were any.

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index a58ac285fc69..a52b3217c160 100644
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -1602,6 +1602,10 @@ rcu_torture_cleanup(void)
                 cur_ops->cleanup();
         if (atomic_read(&n_rcu_torture_error))
                 rcu_torture_print_module_parms(cur_ops, "End of test: FAILURE");
+        else if (n_online_successes != n_online_attempts ||
+                 n_offline_successes != n_offline_attempts)
+                rcu_torture_print_module_parms(cur_ops,
+                                               "End of test: RCU_HOTPLUG");
         else
                 rcu_torture_print_module_parms(cur_ops, "End of test: SUCCESS");
 }