rcutorture: Rename rcutorture_runnable parameter

This commit changes rcutorture_runnable to torture_runnable, which is
consistent with the names of the other parameters and is a bit shorter
as well.

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

Documentation/kernel-parameters.txt

@@ -2938,7 +2938,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			Set time (s) between CPU-hotplug operations, or
 			zero to disable CPU-hotplug testing.
 
-	rcutorture.rcutorture_runnable= [BOOT]
+	rcutorture.torture_runnable= [BOOT]
 			Start rcutorture running at boot time.
 
 	rcutorture.shuffle_interval= [KNL]

include/linux/rcupdate.h

@@ -47,9 +47,6 @@
 #include <asm/barrier.h>
 
 extern int rcu_expedited; /* for sysctl */
-#ifdef CONFIG_RCU_TORTURE_TEST
-extern int rcutorture_runnable; /* for sysctl */
-#endif /* #ifdef CONFIG_RCU_TORTURE_TEST */
 
 enum rcutorture_type {
 	RCU_FLAVOR,

kernel/rcu/rcutorture.c

@@ -168,9 +168,9 @@ static int rcu_torture_writer_state;
 #else
 #define RCUTORTURE_RUNNABLE_INIT 0
 #endif
-int rcutorture_runnable = RCUTORTURE_RUNNABLE_INIT;
-module_param(rcutorture_runnable, int, 0444);
-MODULE_PARM_DESC(rcutorture_runnable, "Start rcutorture at boot");
+static int torture_runnable = RCUTORTURE_RUNNABLE_INIT;
+module_param(torture_runnable, int, 0444);
+MODULE_PARM_DESC(torture_runnable, "Start rcutorture at boot");
 
 #if defined(CONFIG_RCU_BOOST) && !defined(CONFIG_HOTPLUG_CPU)
 #define rcu_can_boost() 1
@@ -1636,7 +1636,7 @@ rcu_torture_init(void)
 		RCUTORTURE_TASKS_OPS
 	};
 
-	if (!torture_init_begin(torture_type, verbose, &rcutorture_runnable))
+	if (!torture_init_begin(torture_type, verbose, &torture_runnable))
 		return -EBUSY;
 
 	/* Process args and tell the world that the torturer is on the job. */

kernel/sysctl.c

@@ -1055,15 +1055,6 @@ static struct ctl_table kern_table[] = {
 		.child		= key_sysctls,
 	},
 #endif
-#ifdef CONFIG_RCU_TORTURE_TEST
-	{
-		.procname       = "rcutorture_runnable",
-		.data           = &rcutorture_runnable,
-		.maxlen         = sizeof(int),
-		.mode           = 0644,
-		.proc_handler	= proc_dointvec,
-	},
-#endif
 #ifdef CONFIG_PERF_EVENTS
 	/*
 	 * User-space scripts rely on the existence of this file

tools/testing/selftests/rcutorture/configs/rcu/ver_functions.sh

@@ -51,7 +51,7 @@ per_version_boot_params () {
 		`rcutorture_param_n_barrier_cbs "$1"` \
 		rcutorture.stat_interval=15 \
 		rcutorture.shutdown_secs=$3 \
-		rcutorture.rcutorture_runnable=1 \
+		rcutorture.torture_runnable=1 \
 		rcutorture.test_no_idle_hz=1 \
 		rcutorture.verbose=1
 }