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authorPaul E. McKenney <paulmck@kernel.org>2020-03-07 01:00:46 +0300
committerPaul E. McKenney <paulmck@kernel.org>2020-04-27 21:03:51 +0300
commit9cf8fc6fabd46d7f4729529f88d627ce85c6e970 (patch)
tree38ea93762b94c70206cfcd7fe53d2960bb166a30 /kernel/rcu
parentb3d73156b075014ce5b2609f4f47723d6c0c23d6 (diff)
downloadlinux-9cf8fc6fabd46d7f4729529f88d627ce85c6e970.tar.xz
rcutorture: Add a test for synchronize_rcu_mult()
This commit adds a crude test for synchronize_rcu_mult(). This is currently a smoke test rather than a high-quality stress test. Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'kernel/rcu')
-rw-r--r--kernel/rcu/rcutorture.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index b348cf816d89..fbb3e6247443 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -20,7 +20,7 @@
#include <linux/err.h>
#include <linux/spinlock.h>
#include <linux/smp.h>
-#include <linux/rcupdate.h>
+#include <linux/rcupdate_wait.h>
#include <linux/interrupt.h>
#include <linux/sched/signal.h>
#include <uapi/linux/sched/types.h>
@@ -665,6 +665,11 @@ static void rcu_tasks_torture_deferred_free(struct rcu_torture *p)
call_rcu_tasks(&p->rtort_rcu, rcu_torture_cb);
}
+static void synchronize_rcu_mult_test(void)
+{
+ synchronize_rcu_mult(call_rcu_tasks, call_rcu);
+}
+
static struct rcu_torture_ops tasks_ops = {
.ttype = RCU_TASKS_FLAVOR,
.init = rcu_sync_torture_init,
@@ -674,7 +679,7 @@ static struct rcu_torture_ops tasks_ops = {
.get_gp_seq = rcu_no_completed,
.deferred_free = rcu_tasks_torture_deferred_free,
.sync = synchronize_rcu_tasks,
- .exp_sync = synchronize_rcu_tasks,
+ .exp_sync = synchronize_rcu_mult_test,
.call = call_rcu_tasks,
.cb_barrier = rcu_barrier_tasks,
.fqs = NULL,