rcutorture: Abstract stutter_wait()

Because stuttering the test load (stopping and restarting it) is useful
for non-RCU testing, this commit moves the load-stuttering functionality
to kernel/torture.c.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/include/linux/torture.h b/include/linux/torture.h
index 0259db3..203f127 100644
--- a/include/linux/torture.h
+++ b/include/linux/torture.h
@@ -75,8 +75,13 @@ int torture_shuffle_init(long shuffint);
 /* Shutdown task absorption, for when the tasks cannot safely be killed. */
 void torture_shutdown_absorb(const char *title);
 
+/* Task stuttering, which forces load/no-load transitions. */
+void stutter_wait(const char *title);
+int torture_stutter_init(int s);
+void torture_stutter_cleanup(void);
+
 /* Initialization and cleanup. */
-void torture_init_begin(char *ttype, bool v);
+void torture_init_begin(char *ttype, bool v, int *runnable);
 void torture_init_end(void);
 bool torture_cleanup(void);
 bool torture_must_stop(void);