Commit 69dcbbd8 authored by Paul E. McKenney's avatar Paul E. McKenney Committed by Neeraj Upadhyay (AMD)
Browse files

locktorture: Increase Hamming distance between call_rcu_chain and rcu_call_chains 



One letter difference is really not enough, so this commit changes
call_rcu_chain to call_rcu_chain_list.

Reported-by: default avatarDan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: default avatarPaul E. McKenney <paulmck@kernel.org>
Signed-off-by: default avatarNeeraj Upadhyay (AMD) <neeraj.iitr10@gmail.com>
parent 98b1cc82

kernel/locking/locktorture.c

+9 −9
Original line number Diff line number Diff line
@@ -124,7 +124,7 @@ struct call_rcu_chain { 
	struct rcu_head crc_rh;

	bool crc_stop;

};

struct call_rcu_chain *call_rcu_chain;

struct call_rcu_chain *call_rcu_chain_list;



/* Forward reference. */

static void lock_torture_cleanup(void);
@@ -1074,12 +1074,12 @@ static int call_rcu_chain_init(void) 


	if (call_rcu_chains <= 0)

		return 0;

	call_rcu_chain = kcalloc(call_rcu_chains, sizeof(*call_rcu_chain), GFP_KERNEL);

	if (!call_rcu_chain)

	call_rcu_chain_list = kcalloc(call_rcu_chains, sizeof(*call_rcu_chain_list), GFP_KERNEL);

	if (!call_rcu_chain_list)

		return -ENOMEM;

	for (i = 0; i < call_rcu_chains; i++) {

		call_rcu_chain[i].crc_stop = false;

		call_rcu(&call_rcu_chain[i].crc_rh, call_rcu_chain_cb);

		call_rcu_chain_list[i].crc_stop = false;

		call_rcu(&call_rcu_chain_list[i].crc_rh, call_rcu_chain_cb);

	}

	return 0;

}
@@ -1089,13 +1089,13 @@ static void call_rcu_chain_cleanup(void) 
{

	int i;



	if (!call_rcu_chain)

	if (!call_rcu_chain_list)

		return;

	for (i = 0; i < call_rcu_chains; i++)

		smp_store_release(&call_rcu_chain[i].crc_stop, true);

		smp_store_release(&call_rcu_chain_list[i].crc_stop, true);

	rcu_barrier();

	kfree(call_rcu_chain);

	call_rcu_chain = NULL;

	kfree(call_rcu_chain_list);

	call_rcu_chain_list = NULL;

}



static void lock_torture_cleanup(void)