Commit 9cf8fc6f authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

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: default avatarPaul E. McKenney <paulmck@kernel.org>
parent b3d73156

kernel/rcu/rcutorture.c

+7 −2
Original line number Diff line number Diff line
@@ -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,