torture: Remove CONFIG_RCU_TORTURE_TEST_RUNNABLE, simplify code

This commit removes CONFIG_RCU_TORTURE_TEST_RUNNABLE in favor of the
already-existing rcutorture.torture_runnable kernel boot parameter.
It also converts an #ifdef into IS_ENABLED(), saving a few lines of code.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

2 files changed, 1 insertions, 8 deletions

diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 084a28a732eb..01cb57ff106f 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -182,12 +182,7 @@ static const char *rcu_torture_writer_state_getname(void)
         return rcu_torture_writer_state_names[i];
 }
 
-#if defined(MODULE) || defined(CONFIG_RCU_TORTURE_TEST_RUNNABLE)
-#define RCUTORTURE_RUNNABLE_INIT 1
-#else
-#define RCUTORTURE_RUNNABLE_INIT 0
-#endif
-static int torture_runnable = RCUTORTURE_RUNNABLE_INIT;
+static int torture_runnable = IS_ENABLED(MODULE);
 module_param(torture_runnable, int, 0444);
 MODULE_PARM_DESC(torture_runnable, "Start rcutorture at boot");
 
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index ff1cd4e1188d..5b2d723e6568 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -79,8 +79,6 @@ static void __init rcu_bootup_announce_oddness(void)
                 pr_info("\tRCU dyntick-idle grace-period acceleration is enabled.\n");
         if (IS_ENABLED(CONFIG_PROVE_RCU))
                 pr_info("\tRCU lockdep checking is enabled.\n");
-        if (IS_ENABLED(CONFIG_RCU_TORTURE_TEST_RUNNABLE))
-                pr_info("\tRCU torture testing starts during boot.\n");
         if (RCU_NUM_LVLS >= 4)
                 pr_info("\tFour(or more)-level hierarchy is enabled.\n");
         if (RCU_FANOUT_LEAF != 16)