From cda4dc813071e6cb04944c5a140610bd06acd295 Mon Sep 17 00:00:00 2001 From: Lai Jiangshan Date: Sat, 13 Oct 2012 01:14:17 +0800 Subject: rcutorture: Use DEFINE_STATIC_SRCU() Use DEFINE_STATIC_SRCU() to simplify the rcutorture.c SRCU test code. Signed-off-by: Lai Jiangshan Reviewed-by: Josh Triplett Signed-off-by: Paul E. McKenney --- kernel/rcutorture.c | 41 ++++++----------------------------------- 1 file changed, 6 insertions(+), 35 deletions(-) diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c index aaa7b9f3532a..f4019720ceca 100644 --- a/kernel/rcutorture.c +++ b/kernel/rcutorture.c @@ -339,7 +339,6 @@ rcu_stutter_wait(char *title) struct rcu_torture_ops { void (*init)(void); - void (*cleanup)(void); int (*readlock)(void); void (*read_delay)(struct rcu_random_state *rrsp); void (*readunlock)(int idx); @@ -431,7 +430,6 @@ static void rcu_torture_deferred_free(struct rcu_torture *p) static struct rcu_torture_ops rcu_ops = { .init = NULL, - .cleanup = NULL, .readlock = rcu_torture_read_lock, .read_delay = rcu_read_delay, .readunlock = rcu_torture_read_unlock, @@ -475,7 +473,6 @@ static void rcu_sync_torture_init(void) static struct rcu_torture_ops rcu_sync_ops = { .init = rcu_sync_torture_init, - .cleanup = NULL, .readlock = rcu_torture_read_lock, .read_delay = rcu_read_delay, .readunlock = rcu_torture_read_unlock, @@ -493,7 +490,6 @@ static struct rcu_torture_ops rcu_sync_ops = { static struct rcu_torture_ops rcu_expedited_ops = { .init = rcu_sync_torture_init, - .cleanup = NULL, .readlock = rcu_torture_read_lock, .read_delay = rcu_read_delay, /* just reuse rcu's version. */ .readunlock = rcu_torture_read_unlock, @@ -536,7 +532,6 @@ static void rcu_bh_torture_deferred_free(struct rcu_torture *p) static struct rcu_torture_ops rcu_bh_ops = { .init = NULL, - .cleanup = NULL, .readlock = rcu_bh_torture_read_lock, .read_delay = rcu_read_delay, /* just reuse rcu's version. */ .readunlock = rcu_bh_torture_read_unlock, @@ -553,7 +548,6 @@ static struct rcu_torture_ops rcu_bh_ops = { static struct rcu_torture_ops rcu_bh_sync_ops = { .init = rcu_sync_torture_init, - .cleanup = NULL, .readlock = rcu_bh_torture_read_lock, .read_delay = rcu_read_delay, /* just reuse rcu's version. */ .readunlock = rcu_bh_torture_read_unlock, @@ -570,7 +564,6 @@ static struct rcu_torture_ops rcu_bh_sync_ops = { static struct rcu_torture_ops rcu_bh_expedited_ops = { .init = rcu_sync_torture_init, - .cleanup = NULL, .readlock = rcu_bh_torture_read_lock, .read_delay = rcu_read_delay, /* just reuse rcu's version. */ .readunlock = rcu_bh_torture_read_unlock, @@ -589,19 +582,7 @@ static struct rcu_torture_ops rcu_bh_expedited_ops = { * Definitions for srcu torture testing. */ -static struct srcu_struct srcu_ctl; - -static void srcu_torture_init(void) -{ - init_srcu_struct(&srcu_ctl); - rcu_sync_torture_init(); -} - -static void srcu_torture_cleanup(void) -{ - synchronize_srcu(&srcu_ctl); - cleanup_srcu_struct(&srcu_ctl); -} +DEFINE_STATIC_SRCU(srcu_ctl); static int srcu_torture_read_lock(void) __acquires(&srcu_ctl) { @@ -672,8 +653,7 @@ static int srcu_torture_stats(char *page) } static struct rcu_torture_ops srcu_ops = { - .init = srcu_torture_init, - .cleanup = srcu_torture_cleanup, + .init = rcu_sync_torture_init, .readlock = srcu_torture_read_lock, .read_delay = srcu_read_delay, .readunlock = srcu_torture_read_unlock, @@ -687,8 +667,7 @@ static struct rcu_torture_ops srcu_ops = { }; static struct rcu_torture_ops srcu_sync_ops = { - .init = srcu_torture_init, - .cleanup = srcu_torture_cleanup, + .init = rcu_sync_torture_init, .readlock = srcu_torture_read_lock, .read_delay = srcu_read_delay, .readunlock = srcu_torture_read_unlock, @@ -712,8 +691,7 @@ static void srcu_torture_read_unlock_raw(int idx) __releases(&srcu_ctl) } static struct rcu_torture_ops srcu_raw_ops = { - .init = srcu_torture_init, - .cleanup = srcu_torture_cleanup, + .init = rcu_sync_torture_init, .readlock = srcu_torture_read_lock_raw, .read_delay = srcu_read_delay, .readunlock = srcu_torture_read_unlock_raw, @@ -727,8 +705,7 @@ static struct rcu_torture_ops srcu_raw_ops = { }; static struct rcu_torture_ops srcu_raw_sync_ops = { - .init = srcu_torture_init, - .cleanup = srcu_torture_cleanup, + .init = rcu_sync_torture_init, .readlock = srcu_torture_read_lock_raw, .read_delay = srcu_read_delay, .readunlock = srcu_torture_read_unlock_raw, @@ -747,8 +724,7 @@ static void srcu_torture_synchronize_expedited(void) } static struct rcu_torture_ops srcu_expedited_ops = { - .init = srcu_torture_init, - .cleanup = srcu_torture_cleanup, + .init = rcu_sync_torture_init, .readlock = srcu_torture_read_lock, .read_delay = srcu_read_delay, .readunlock = srcu_torture_read_unlock, @@ -783,7 +759,6 @@ static void rcu_sched_torture_deferred_free(struct rcu_torture *p) static struct rcu_torture_ops sched_ops = { .init = rcu_sync_torture_init, - .cleanup = NULL, .readlock = sched_torture_read_lock, .read_delay = rcu_read_delay, /* just reuse rcu's version. */ .readunlock = sched_torture_read_unlock, @@ -799,7 +774,6 @@ static struct rcu_torture_ops sched_ops = { static struct rcu_torture_ops sched_sync_ops = { .init = rcu_sync_torture_init, - .cleanup = NULL, .readlock = sched_torture_read_lock, .read_delay = rcu_read_delay, /* just reuse rcu's version. */ .readunlock = sched_torture_read_unlock, @@ -814,7 +788,6 @@ static struct rcu_torture_ops sched_sync_ops = { static struct rcu_torture_ops sched_expedited_ops = { .init = rcu_sync_torture_init, - .cleanup = NULL, .readlock = sched_torture_read_lock, .read_delay = rcu_read_delay, /* just reuse rcu's version. */ .readunlock = sched_torture_read_unlock, @@ -1936,8 +1909,6 @@ rcu_torture_cleanup(void) rcu_torture_stats_print(); /* -After- the stats thread is stopped! */ - if (cur_ops->cleanup) - cur_ops->cleanup(); if (atomic_read(&n_rcu_torture_error) || n_rcu_torture_barrier_error) rcu_torture_print_module_parms(cur_ops, "End of test: FAILURE"); else if (n_online_successes != n_online_attempts || -- cgit v1.2.3