android/android_kernel_samsung_sm8650
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

rcu: Add rcutorture test for call_srcu()

Browse Source 
Add srcu_torture_deferred_free() for srcu_ops so as to test the new
call_srcu().  Rename the original srcu_ops to srcu_sync_ops.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Lai Jiangshan 2012-03-19 16:12:14 +08:00 committed by Paul E. McKenney
parent 931ea9d1a6
commit 9059c94017
1 changed files with 40 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
kernel/rcutorture.c
View File

@ -625,6 +625,11 @@ static int srcu_torture_completed(void)
return srcu_batches_completed(&srcu_ctl); return srcu_batches_completed(&srcu_ctl);
} }
static void srcu_torture_deferred_free(struct rcu_torture *rp)
{
call_srcu(&srcu_ctl, &rp->rtort_rcu, rcu_torture_cb);
}
static void srcu_torture_synchronize(void) static void srcu_torture_synchronize(void)
{ {
synchronize_srcu(&srcu_ctl); synchronize_srcu(&srcu_ctl);
@ -654,7 +659,7 @@ static struct rcu_torture_ops srcu_ops = {
.read_delay = srcu_read_delay, .read_delay = srcu_read_delay,
.readunlock = srcu_torture_read_unlock, .readunlock = srcu_torture_read_unlock,
.completed = srcu_torture_completed, .completed = srcu_torture_completed,
.deferred_free = rcu_sync_torture_deferred_free, .deferred_free = srcu_torture_deferred_free,
.sync = srcu_torture_synchronize, .sync = srcu_torture_synchronize,
.call = NULL, .call = NULL,
.cb_barrier = NULL, .cb_barrier = NULL,
@ -662,6 +667,21 @@ static struct rcu_torture_ops srcu_ops = {
.name = "srcu" .name = "srcu"
}; };
static struct rcu_torture_ops srcu_sync_ops = {
.init = srcu_torture_init,
.cleanup = srcu_torture_cleanup,
.readlock = srcu_torture_read_lock,
.read_delay = srcu_read_delay,
.readunlock = srcu_torture_read_unlock,
.completed = srcu_torture_completed,
.deferred_free = rcu_sync_torture_deferred_free,
.sync = srcu_torture_synchronize,
.call = NULL,
.cb_barrier = NULL,
.stats = srcu_torture_stats,
.name = "srcu_sync"
};
static int srcu_torture_read_lock_raw(void) __acquires(&srcu_ctl) static int srcu_torture_read_lock_raw(void) __acquires(&srcu_ctl)
{ {
return srcu_read_lock_raw(&srcu_ctl); return srcu_read_lock_raw(&srcu_ctl);
@ -679,7 +699,7 @@ static struct rcu_torture_ops srcu_raw_ops = {
.read_delay = srcu_read_delay, .read_delay = srcu_read_delay,
.readunlock = srcu_torture_read_unlock_raw, .readunlock = srcu_torture_read_unlock_raw,
.completed = srcu_torture_completed, .completed = srcu_torture_completed,
.deferred_free = rcu_sync_torture_deferred_free, .deferred_free = srcu_torture_deferred_free,
.sync = srcu_torture_synchronize, .sync = srcu_torture_synchronize,
.call = NULL, .call = NULL,
.cb_barrier = NULL, .cb_barrier = NULL,
@ -687,6 +707,21 @@ static struct rcu_torture_ops srcu_raw_ops = {
.name = "srcu_raw" .name = "srcu_raw"
}; };
static struct rcu_torture_ops srcu_raw_sync_ops = {
.init = srcu_torture_init,
.cleanup = srcu_torture_cleanup,
.readlock = srcu_torture_read_lock_raw,
.read_delay = srcu_read_delay,
.readunlock = srcu_torture_read_unlock_raw,
.completed = srcu_torture_completed,
.deferred_free = rcu_sync_torture_deferred_free,
.sync = srcu_torture_synchronize,
.call = NULL,
.cb_barrier = NULL,
.stats = srcu_torture_stats,
.name = "srcu_raw_sync"
};
static void srcu_torture_synchronize_expedited(void) static void srcu_torture_synchronize_expedited(void)
{ {
synchronize_srcu_expedited(&srcu_ctl); synchronize_srcu_expedited(&srcu_ctl);
@ -1685,7 +1720,7 @@ static int rcu_torture_barrier_init(void)
for (i = 0; i < n_barrier_cbs; i++) { for (i = 0; i < n_barrier_cbs; i++) {
init_waitqueue_head(&barrier_cbs_wq[i]); init_waitqueue_head(&barrier_cbs_wq[i]);
barrier_cbs_tasks[i] = kthread_run(rcu_torture_barrier_cbs, barrier_cbs_tasks[i] = kthread_run(rcu_torture_barrier_cbs,
(void *)i, (void *)(long)i,
"rcu_torture_barrier_cbs"); "rcu_torture_barrier_cbs");
if (IS_ERR(barrier_cbs_tasks[i])) { if (IS_ERR(barrier_cbs_tasks[i])) {
ret = PTR_ERR(barrier_cbs_tasks[i]); ret = PTR_ERR(barrier_cbs_tasks[i]);
@ -1873,7 +1908,8 @@ rcu_torture_init(void)
static struct rcu_torture_ops *torture_ops[] = static struct rcu_torture_ops *torture_ops[] =
{ &rcu_ops, &rcu_sync_ops, &rcu_expedited_ops, { &rcu_ops, &rcu_sync_ops, &rcu_expedited_ops,
&rcu_bh_ops, &rcu_bh_sync_ops, &rcu_bh_expedited_ops, &rcu_bh_ops, &rcu_bh_sync_ops, &rcu_bh_expedited_ops,
&srcu_ops, &srcu_raw_ops, &srcu_expedited_ops, &srcu_ops, &srcu_sync_ops, &srcu_raw_ops,
&srcu_raw_sync_ops, &srcu_expedited_ops,
&sched_ops, &sched_sync_ops, &sched_expedited_ops, }; &sched_ops, &sched_sync_ops, &sched_expedited_ops, };
mutex_lock(&fullstop_mutex); mutex_lock(&fullstop_mutex);