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torture: Simplify code, eliminate RCU_PERF_TEST_RUNNABLE

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This commit applies the infamous IS_ENABLED() macro to eliminate a #ifdef.
It also eliminates the RCU_PERF_TEST_RUNNABLE Kconfig option in favor
of the already-existing rcuperf.perf_runnable kernel boot parameter.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2016-04-19 13:03:18 -07:00
parent af8c34ce6a
commit f8cbdee99b
2 changed files with 1 additions and 22 deletions
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7
kernel/rcu/rcuperf.c
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@ -96,12 +96,7 @@ static int rcu_perf_writer_state;
#define MAX_MEAS 10000
#define MIN_MEAS 100
#if defined(MODULE) || defined(CONFIG_RCU_PERF_TEST_RUNNABLE)
#define RCUPERF_RUNNABLE_INIT 1
#else
#define RCUPERF_RUNNABLE_INIT 0
#endif
static int perf_runnable = RCUPERF_RUNNABLE_INIT;
static int perf_runnable = IS_ENABLED(MODULE);
module_param(perf_runnable, int, 0444);
MODULE_PARM_DESC(perf_runnable, "Start rcuperf at boot");

16
lib/Kconfig.debug
View File

@ -1307,22 +1307,6 @@ config RCU_PERF_TEST
Say M if you want the RCU performance tests to build as a module.
Say N if you are unsure.
config RCU_PERF_TEST_RUNNABLE
bool "performance tests for RCU runnable by default"
depends on RCU_PERF_TEST = y
default n
help
This option provides a way to build the RCU performance tests
directly into the kernel without them starting up at boot time.
You can use /sys/module to manually override this setting.
This /proc file is available only when the RCU performance
tests have been built into the kernel.
Say Y here if you want the RCU performance tests to start during
boot (you probably don't).
Say N here if you want the RCU performance tests to start only
after being manually enabled via /sys/module.
config RCU_TORTURE_TEST
tristate "torture tests for RCU"
depends on DEBUG_KERNEL