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Commit 101db7b4 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

rcu: Add rcutorture tests for srcu_read_lock_raw() 



This commit adds simple rcutorture tests for srcu_read_lock_raw() and
srcu_read_unlock_raw().  It does not test doing srcu_read_lock_raw()
in an exception handler and releasing it in the corresponding process
context.

Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent f220242a

kernel/rcutorture.c

+25 −1
Original line number Diff line number Diff line
@@ -632,6 +632,30 @@ static struct rcu_torture_ops srcu_ops = { 
	.name		= "srcu"

};



static int srcu_torture_read_lock_raw(void) __acquires(&srcu_ctl)

{

	return srcu_read_lock_raw(&srcu_ctl);

}



static void srcu_torture_read_unlock_raw(int idx) __releases(&srcu_ctl)

{

	srcu_read_unlock_raw(&srcu_ctl, idx);

}



static struct rcu_torture_ops srcu_raw_ops = {

	.init		= srcu_torture_init,

	.cleanup	= srcu_torture_cleanup,

	.readlock	= srcu_torture_read_lock_raw,

	.read_delay	= srcu_read_delay,

	.readunlock	= srcu_torture_read_unlock_raw,

	.completed	= srcu_torture_completed,

	.deferred_free	= rcu_sync_torture_deferred_free,

	.sync		= srcu_torture_synchronize,

	.cb_barrier	= NULL,

	.stats		= srcu_torture_stats,

	.name		= "srcu_raw"

};



static void srcu_torture_synchronize_expedited(void)

{

	synchronize_srcu_expedited(&srcu_ctl);
@@ -1591,7 +1615,7 @@ rcu_torture_init(void) 
	static struct rcu_torture_ops *torture_ops[] =

		{ &rcu_ops, &rcu_sync_ops, &rcu_expedited_ops,

		  &rcu_bh_ops, &rcu_bh_sync_ops, &rcu_bh_expedited_ops,

		  &srcu_ops, &srcu_expedited_ops,

		  &srcu_ops, &srcu_raw_ops, &srcu_expedited_ops,

		  &sched_ops, &sched_sync_ops, &sched_expedited_ops, };



	mutex_lock(&fullstop_mutex);