rcutorture.c (9cf8fc6fabd46d7f4729529f88d627ce85c6e970) rcutorture.c (3d6e43c75d6bab212e8bc142585ee36eb8e2e5d9)
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Read-Copy Update module-based torture test facility
4 *
5 * Copyright (C) IBM Corporation, 2005, 2006
6 *
7 * Authors: Paul E. McKenney <paulmck@linux.ibm.com>
8 * Josh Triplett <josh@joshtriplett.org>

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725 .sync = synchronize_rcu_trivial,
726 .exp_sync = synchronize_rcu_trivial,
727 .fqs = NULL,
728 .stats = NULL,
729 .irq_capable = 1,
730 .name = "trivial"
731};
732
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Read-Copy Update module-based torture test facility
4 *
5 * Copyright (C) IBM Corporation, 2005, 2006
6 *
7 * Authors: Paul E. McKenney <paulmck@linux.ibm.com>
8 * Josh Triplett <josh@joshtriplett.org>

--- 716 unchanged lines hidden (view full) ---

725 .sync = synchronize_rcu_trivial,
726 .exp_sync = synchronize_rcu_trivial,
727 .fqs = NULL,
728 .stats = NULL,
729 .irq_capable = 1,
730 .name = "trivial"
731};
732
733/*
734 * Definitions for rude RCU-tasks torture testing.
735 */
736
737static void rcu_tasks_rude_torture_deferred_free(struct rcu_torture *p)
738{
739 call_rcu_tasks_rude(&p->rtort_rcu, rcu_torture_cb);
740}
741
742static struct rcu_torture_ops tasks_rude_ops = {
743 .ttype = RCU_TASKS_RUDE_FLAVOR,
744 .init = rcu_sync_torture_init,
745 .readlock = rcu_torture_read_lock_trivial,
746 .read_delay = rcu_read_delay, /* just reuse rcu's version. */
747 .readunlock = rcu_torture_read_unlock_trivial,
748 .get_gp_seq = rcu_no_completed,
749 .deferred_free = rcu_tasks_rude_torture_deferred_free,
750 .sync = synchronize_rcu_tasks_rude,
751 .exp_sync = synchronize_rcu_tasks_rude,
752 .call = call_rcu_tasks_rude,
753 .cb_barrier = rcu_barrier_tasks_rude,
754 .fqs = NULL,
755 .stats = NULL,
756 .irq_capable = 1,
757 .name = "tasks-rude"
758};
759
733static unsigned long rcutorture_seq_diff(unsigned long new, unsigned long old)
734{
735 if (!cur_ops->gp_diff)
736 return new - old;
737 return cur_ops->gp_diff(new, old);
738}
739
740static bool __maybe_unused torturing_tasks(void)
741{
760static unsigned long rcutorture_seq_diff(unsigned long new, unsigned long old)
761{
762 if (!cur_ops->gp_diff)
763 return new - old;
764 return cur_ops->gp_diff(new, old);
765}
766
767static bool __maybe_unused torturing_tasks(void)
768{
742 return cur_ops == &tasks_ops;
769 return cur_ops == &tasks_ops || cur_ops == &tasks_rude_ops;
743}
744
745/*
746 * RCU torture priority-boost testing. Runs one real-time thread per
747 * CPU for moderate bursts, repeatedly registering RCU callbacks and
748 * spinning waiting for them to be invoked. If a given callback takes
749 * too long to be invoked, we assume that priority inversion has occurred.
750 */

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2408static int __init
2409rcu_torture_init(void)
2410{
2411 long i;
2412 int cpu;
2413 int firsterr = 0;
2414 static struct rcu_torture_ops *torture_ops[] = {
2415 &rcu_ops, &rcu_busted_ops, &srcu_ops, &srcud_ops,
770}
771
772/*
773 * RCU torture priority-boost testing. Runs one real-time thread per
774 * CPU for moderate bursts, repeatedly registering RCU callbacks and
775 * spinning waiting for them to be invoked. If a given callback takes
776 * too long to be invoked, we assume that priority inversion has occurred.
777 */

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2435static int __init
2436rcu_torture_init(void)
2437{
2438 long i;
2439 int cpu;
2440 int firsterr = 0;
2441 static struct rcu_torture_ops *torture_ops[] = {
2442 &rcu_ops, &rcu_busted_ops, &srcu_ops, &srcud_ops,
2416 &busted_srcud_ops, &tasks_ops, &trivial_ops,
2443 &busted_srcud_ops, &tasks_ops, &tasks_rude_ops, &trivial_ops,
2417 };
2418
2419 if (!torture_init_begin(torture_type, verbose))
2420 return -EBUSY;
2421
2422 /* Process args and tell the world that the torturer is on the job. */
2423 for (i = 0; i < ARRAY_SIZE(torture_ops); i++) {
2424 cur_ops = torture_ops[i];

--- 175 unchanged lines hidden --- 		2444 };
2445
2446 if (!torture_init_begin(torture_type, verbose))
2447 return -EBUSY;
2448
2449 /* Process args and tell the world that the torturer is on the job. */
2450 for (i = 0; i < ARRAY_SIZE(torture_ops); i++) {
2451 cur_ops = torture_ops[i];

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