rcu: make rcutorture more vicious: reinstate boot-time testing

[mirror_ubuntu-zesty-kernel.git] / kernel / rcutorture.c

diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index 98ae7d1682252f300d3aca7bb9cdf4348934d373..27003e2421c77d20181cdc1aa45fb603ca5cc3d9 100644 (file)
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -125,6 +125,13 @@ static struct list_head rcu_torture_removed;
 
 static int stutter_pause_test = 0;
 
+#if defined(MODULE) || defined(CONFIG_RCU_TORTURE_TEST_RUNNABLE)
+#define RCUTORTURE_RUNNABLE_INIT 1
+#else
+#define RCUTORTURE_RUNNABLE_INIT 0
+#endif
+int rcutorture_runnable = RCUTORTURE_RUNNABLE_INIT;
+
 /*
  * Allocate an element from the rcu_tortures pool.
  */
@@ -188,7 +195,7 @@ rcu_random(struct rcu_random_state *rrsp)
 static void
 rcu_stutter_wait(void)
 {
-       while (stutter_pause_test)
+       while (stutter_pause_test || !rcutorture_runnable)
                schedule_timeout_interruptible(1);
 }