Commit-ID: 4e9a073f60367157fd64b65490654c39d4c44321
Gitweb: http://git.kernel.org/tip/4e9a073f60367157fd64b65490654c39d4c44321
Author: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
AuthorDate: Tue, 19 Apr 2016 14:42:34 -0700
Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Tue, 14 Jun 2016 16:02:15 -0700
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@xxxxxxxxxxxxxxxxxx>
---
kernel/rcu/rcutorture.c | 7 +------
kernel/rcu/tree_plugin.h | 2 --
lib/Kconfig.debug | 17 -----------------
3 files changed, 1 insertion(+), 25 deletions(-)
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 084a28a..01cb57f 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 ff1cd4e..5b2d723 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)
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index cf6ddcd..805b704 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1324,23 +1324,6 @@ config RCU_TORTURE_TEST
Say M if you want the RCU torture tests to build as a module.
Say N if you are unsure.
-config RCU_TORTURE_TEST_RUNNABLE
- bool "torture tests for RCU runnable by default"
- depends on RCU_TORTURE_TEST = y
- default n
- help
- This option provides a way to build the RCU torture tests
- directly into the kernel without them starting up at boot
- time. You can use /proc/sys/kernel/rcutorture_runnable
- to manually override this setting. This /proc file is
- available only when the RCU torture tests have been built
- into the kernel.
-
- Say Y here if you want the RCU torture tests to start during
- boot (you probably don't).
- Say N here if you want the RCU torture tests to start only
- after being manually enabled via /proc.
-
config RCU_TORTURE_TEST_SLOW_PREINIT
bool "Slow down RCU grace-period pre-initialization to expose races"
depends on RCU_TORTURE_TEST
--
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