From: Paul E. McKenney Date: Thu, 18 Dec 2014 02:39:54 +0000 (-0800) Subject: rcutorture: Add more diagnostics in rcu_barrier() test failure case X-Git-Tag: v4.0-rc1~165^2^2^6 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7602de4af192b1527767538454557cb7564bae60;p=karo-tx-linux.git rcutorture: Add more diagnostics in rcu_barrier() test failure case Signed-off-by: Paul E. McKenney --- diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index 24142c200901..30d42aa55d83 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -1427,6 +1427,9 @@ static int rcu_torture_barrier(void *arg) cur_ops->cb_barrier(); /* Implies smp_mb() for wait_event(). */ if (atomic_read(&barrier_cbs_invoked) != n_barrier_cbs) { n_rcu_torture_barrier_error++; + pr_err("barrier_cbs_invoked = %d, n_barrier_cbs = %d\n", + atomic_read(&barrier_cbs_invoked), + n_barrier_cbs); WARN_ON_ONCE(1); } n_barrier_successes++;