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rcutorture: Add more diagnostics in rcu_barrier() test failure case

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Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2014-12-17 18:39:54 -08:00
parent d2f74b5b48
commit 7602de4af1
1 changed files with 3 additions and 0 deletions
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3
kernel/rcu/rcutorture.c
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@ -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++;