Commit bdf2a436 authored by Paul E. McKenney's avatar Paul E. McKenney

rcu: Catch rcutorture up to new RCU API additions

Now that the RCU API contains synchronize_rcu_bh(), synchronize_sched(),
call_rcu_sched(), and rcu_bh_expedited()...

Make rcutorture test synchronize_rcu_bh(), getting rid of the old
rcu_bh_torture_synchronize() workaround.  Similarly, make rcutorture test
synchronize_sched(), getting rid of the old sched_torture_synchronize()
workaround.  Make rcutorture test call_rcu_sched() instead of wrappering
synchronize_sched().  Also add testing of rcu_bh_expedited().
Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent 2c42818e
...@@ -122,6 +122,9 @@ torture_type The type of RCU to test, with string values as follows: ...@@ -122,6 +122,9 @@ torture_type The type of RCU to test, with string values as follows:
"rcu_bh_sync": rcu_read_lock_bh(), rcu_read_unlock_bh(), "rcu_bh_sync": rcu_read_lock_bh(), rcu_read_unlock_bh(),
and synchronize_rcu_bh(). and synchronize_rcu_bh().
"rcu_bh_expedited": rcu_read_lock_bh(), rcu_read_unlock_bh(),
and synchronize_rcu_bh_expedited().
"srcu": srcu_read_lock(), srcu_read_unlock() and "srcu": srcu_read_lock(), srcu_read_unlock() and
synchronize_srcu(). synchronize_srcu().
......
...@@ -480,30 +480,6 @@ static void rcu_bh_torture_deferred_free(struct rcu_torture *p) ...@@ -480,30 +480,6 @@ static void rcu_bh_torture_deferred_free(struct rcu_torture *p)
call_rcu_bh(&p->rtort_rcu, rcu_torture_cb); call_rcu_bh(&p->rtort_rcu, rcu_torture_cb);
} }
struct rcu_bh_torture_synchronize {
struct rcu_head head;
struct completion completion;
};
static void rcu_bh_torture_wakeme_after_cb(struct rcu_head *head)
{
struct rcu_bh_torture_synchronize *rcu;
rcu = container_of(head, struct rcu_bh_torture_synchronize, head);
complete(&rcu->completion);
}
static void rcu_bh_torture_synchronize(void)
{
struct rcu_bh_torture_synchronize rcu;
init_rcu_head_on_stack(&rcu.head);
init_completion(&rcu.completion);
call_rcu_bh(&rcu.head, rcu_bh_torture_wakeme_after_cb);
wait_for_completion(&rcu.completion);
destroy_rcu_head_on_stack(&rcu.head);
}
static struct rcu_torture_ops rcu_bh_ops = { static struct rcu_torture_ops rcu_bh_ops = {
.init = NULL, .init = NULL,
.cleanup = NULL, .cleanup = NULL,
...@@ -512,7 +488,7 @@ static struct rcu_torture_ops rcu_bh_ops = { ...@@ -512,7 +488,7 @@ static struct rcu_torture_ops rcu_bh_ops = {
.readunlock = rcu_bh_torture_read_unlock, .readunlock = rcu_bh_torture_read_unlock,
.completed = rcu_bh_torture_completed, .completed = rcu_bh_torture_completed,
.deferred_free = rcu_bh_torture_deferred_free, .deferred_free = rcu_bh_torture_deferred_free,
.sync = rcu_bh_torture_synchronize, .sync = synchronize_rcu_bh,
.cb_barrier = rcu_barrier_bh, .cb_barrier = rcu_barrier_bh,
.fqs = rcu_bh_force_quiescent_state, .fqs = rcu_bh_force_quiescent_state,
.stats = NULL, .stats = NULL,
...@@ -528,7 +504,7 @@ static struct rcu_torture_ops rcu_bh_sync_ops = { ...@@ -528,7 +504,7 @@ static struct rcu_torture_ops rcu_bh_sync_ops = {
.readunlock = rcu_bh_torture_read_unlock, .readunlock = rcu_bh_torture_read_unlock,
.completed = rcu_bh_torture_completed, .completed = rcu_bh_torture_completed,
.deferred_free = rcu_sync_torture_deferred_free, .deferred_free = rcu_sync_torture_deferred_free,
.sync = rcu_bh_torture_synchronize, .sync = synchronize_rcu_bh,
.cb_barrier = NULL, .cb_barrier = NULL,
.fqs = rcu_bh_force_quiescent_state, .fqs = rcu_bh_force_quiescent_state,
.stats = NULL, .stats = NULL,
...@@ -536,6 +512,22 @@ static struct rcu_torture_ops rcu_bh_sync_ops = { ...@@ -536,6 +512,22 @@ static struct rcu_torture_ops rcu_bh_sync_ops = {
.name = "rcu_bh_sync" .name = "rcu_bh_sync"
}; };
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,
.completed = rcu_bh_torture_completed,
.deferred_free = rcu_sync_torture_deferred_free,
.sync = synchronize_rcu_bh_expedited,
.cb_barrier = NULL,
.fqs = rcu_bh_force_quiescent_state,
.stats = NULL,
.irq_capable = 1,
.name = "rcu_bh_expedited"
};
/* /*
* Definitions for srcu torture testing. * Definitions for srcu torture testing.
*/ */
...@@ -659,11 +651,6 @@ static void rcu_sched_torture_deferred_free(struct rcu_torture *p) ...@@ -659,11 +651,6 @@ static void rcu_sched_torture_deferred_free(struct rcu_torture *p)
call_rcu_sched(&p->rtort_rcu, rcu_torture_cb); call_rcu_sched(&p->rtort_rcu, rcu_torture_cb);
} }
static void sched_torture_synchronize(void)
{
synchronize_sched();
}
static struct rcu_torture_ops sched_ops = { static struct rcu_torture_ops sched_ops = {
.init = rcu_sync_torture_init, .init = rcu_sync_torture_init,
.cleanup = NULL, .cleanup = NULL,
...@@ -672,7 +659,7 @@ static struct rcu_torture_ops sched_ops = { ...@@ -672,7 +659,7 @@ static struct rcu_torture_ops sched_ops = {
.readunlock = sched_torture_read_unlock, .readunlock = sched_torture_read_unlock,
.completed = rcu_no_completed, .completed = rcu_no_completed,
.deferred_free = rcu_sched_torture_deferred_free, .deferred_free = rcu_sched_torture_deferred_free,
.sync = sched_torture_synchronize, .sync = synchronize_sched,
.cb_barrier = rcu_barrier_sched, .cb_barrier = rcu_barrier_sched,
.fqs = rcu_sched_force_quiescent_state, .fqs = rcu_sched_force_quiescent_state,
.stats = NULL, .stats = NULL,
...@@ -688,7 +675,7 @@ static struct rcu_torture_ops sched_sync_ops = { ...@@ -688,7 +675,7 @@ static struct rcu_torture_ops sched_sync_ops = {
.readunlock = sched_torture_read_unlock, .readunlock = sched_torture_read_unlock,
.completed = rcu_no_completed, .completed = rcu_no_completed,
.deferred_free = rcu_sync_torture_deferred_free, .deferred_free = rcu_sync_torture_deferred_free,
.sync = sched_torture_synchronize, .sync = synchronize_sched,
.cb_barrier = NULL, .cb_barrier = NULL,
.fqs = rcu_sched_force_quiescent_state, .fqs = rcu_sched_force_quiescent_state,
.stats = NULL, .stats = NULL,
...@@ -1425,7 +1412,7 @@ rcu_torture_init(void) ...@@ -1425,7 +1412,7 @@ rcu_torture_init(void)
int firsterr = 0; int firsterr = 0;
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_ops, &rcu_bh_sync_ops, &rcu_bh_expedited_ops,
&srcu_ops, &srcu_expedited_ops, &srcu_ops, &srcu_expedited_ops,
&sched_ops, &sched_sync_ops, &sched_expedited_ops, }; &sched_ops, &sched_sync_ops, &sched_expedited_ops, };
......
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