From: Lai Jiangshan <laijs@cn.fujitsu.com>
To: linux-kernel@vger.kernel.org,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>,
Josh Triplett <josh@freedesktop.org>
Subject: [PATCH 4/4] rcutorture: use DEFINE_STATIC_SRCU()
Date: Sat, 13 Oct 2012 01:14:17 +0800 [thread overview]
Message-ID: <1350062057-2439-5-git-send-email-laijs@cn.fujitsu.com> (raw)
In-Reply-To: <1350062057-2439-1-git-send-email-laijs@cn.fujitsu.com>
use DEFINE_STATIC_SRCU() to simplify the rcutorture.c
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
---
kernel/rcutorture.c | 41 ++++++-----------------------------------
1 files changed, 6 insertions(+), 35 deletions(-)
diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index 25b1503..7939edf 100644
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -332,7 +332,6 @@ 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);
@@ -424,7 +423,6 @@ 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,
@@ -468,7 +466,6 @@ 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,
@@ -486,7 +483,6 @@ 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,
@@ -529,7 +525,6 @@ 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,
@@ -546,7 +541,6 @@ 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,
@@ -563,7 +557,6 @@ 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,
@@ -582,19 +575,7 @@ 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)
{
@@ -665,8 +646,7 @@ 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,
@@ -680,8 +660,7 @@ 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,
@@ -705,8 +684,7 @@ 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,
@@ -720,8 +698,7 @@ 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,
@@ -740,8 +717,7 @@ 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,
@@ -776,7 +752,6 @@ 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,
@@ -792,7 +767,6 @@ 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,
@@ -807,7 +781,6 @@ 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,
@@ -1903,8 +1876,6 @@ 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 ||
--
1.7.7.6
next prev parent reply other threads:[~2012-10-12 17:12 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-12 17:14 [PATCH 0/4] srcu: Add DEFINE_SRCU() Lai Jiangshan
2012-10-12 17:14 ` [PATCH 1/4] srcu: add my name Lai Jiangshan
2012-10-12 17:14 ` [PATCH 2/4] srcu: export process_srcu() Lai Jiangshan
2012-10-12 17:14 ` [PATCH 3/4] srcu: add DEFINE_SRCU() Lai Jiangshan
2012-10-15 21:56 ` Paul E. McKenney
2012-10-15 22:40 ` Paul E. McKenney
2012-10-12 17:14 ` Lai Jiangshan [this message]
2012-10-12 19:06 ` [PATCH 4/4] rcutorture: use DEFINE_STATIC_SRCU() Josh Triplett
2012-10-15 23:38 ` [PATCH 0/4] srcu: Add DEFINE_SRCU() Paul E. McKenney
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