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-rw-r--r--kernel/rcutorture.c40
1 files changed, 39 insertions, 1 deletions
diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index 0f0ff1556b5d..e2bda18f6f42 100644
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -464,9 +464,47 @@ static struct rcu_torture_ops srcu_ops = {
464 .name = "srcu" 464 .name = "srcu"
465}; 465};
466 466
467/*
468 * Definitions for sched torture testing.
469 */
470
471static int sched_torture_read_lock(void)
472{
473 preempt_disable();
474 return 0;
475}
476
477static void sched_torture_read_unlock(int idx)
478{
479 preempt_enable();
480}
481
482static int sched_torture_completed(void)
483{
484 return 0;
485}
486
487static void sched_torture_synchronize(void)
488{
489 synchronize_sched();
490}
491
492static struct rcu_torture_ops sched_ops = {
493 .init = rcu_sync_torture_init,
494 .cleanup = NULL,
495 .readlock = sched_torture_read_lock,
496 .readdelay = rcu_read_delay, /* just reuse rcu's version. */
497 .readunlock = sched_torture_read_unlock,
498 .completed = sched_torture_completed,
499 .deferredfree = rcu_sync_torture_deferred_free,
500 .sync = sched_torture_synchronize,
501 .stats = NULL,
502 .name = "sched"
503};
504
467static struct rcu_torture_ops *torture_ops[] = 505static struct rcu_torture_ops *torture_ops[] =
468 { &rcu_ops, &rcu_sync_ops, &rcu_bh_ops, &rcu_bh_sync_ops, &srcu_ops, 506 { &rcu_ops, &rcu_sync_ops, &rcu_bh_ops, &rcu_bh_sync_ops, &srcu_ops,
469 NULL }; 507 &sched_ops, NULL };
470 508
471/* 509/*
472 * RCU torture writer kthread. Repeatedly substitutes a new structure 510 * RCU torture writer kthread. Repeatedly substitutes a new structure