Messages in this thread Patch in this message | | | From | "Paul E. McKenney" <> | Subject | [PATCH tip/core/rcu 03/17] rcutorture: Warn on bad torture type for built-in tests | Date | Wed, 29 Aug 2018 14:47:36 -0700 |
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When running a built-in rcutorture test, specifying an invalid torture type results in what looks like a hard hang, with the error messages hidden by other boot-time output. This commit therefore executes a WARN_ON() in this case so that the splat appears just following the error messages.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> --- kernel/rcu/rcutorture.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index 50a4f0ed4ebf..5df2411f7aee 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -1968,6 +1968,7 @@ rcu_torture_init(void) for (i = 0; i < ARRAY_SIZE(torture_ops); i++) pr_cont(" %s", torture_ops[i]->name); pr_cont("\n"); + WARN_ON(!IS_MODULE(CONFIG_RCU_TORTURE_TEST)); firsterr = -EINVAL; goto unwind; } -- 2.17.1
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