Commit ea12ff2b authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

rcu: Remove rsp parameter from check_cpu_stall() 



There now is only one rcu_state structure in a given build of the
Linux kernel, so there is no need to pass it as a parameter to RCU's
functions.  This commit therefore removes the rsp parameter from
check_cpu_stall().

Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent 4e8b8e08

kernel/rcu/tree.c

+3 −2
Original line number Diff line number Diff line
@@ -1442,7 +1442,7 @@ static void print_cpu_stall(void) 
	resched_cpu(smp_processor_id());

}



static void check_cpu_stall(struct rcu_state *rsp, struct rcu_data *rdp)

static void check_cpu_stall(struct rcu_data *rdp)

{

	unsigned long gs1;

	unsigned long gs2;
@@ -1451,6 +1451,7 @@ static void check_cpu_stall(struct rcu_state *rsp, struct rcu_data *rdp) 
	unsigned long jn;

	unsigned long js;

	struct rcu_node *rnp;

	struct rcu_state *rsp = &rcu_state;



	if ((rcu_cpu_stall_suppress && !rcu_kick_kthreads) ||

	    !rcu_gp_in_progress())
@@ -3094,7 +3095,7 @@ static int __rcu_pending(struct rcu_state *rsp, struct rcu_data *rdp) 
	struct rcu_node *rnp = rdp->mynode;



	/* Check for CPU stalls, if enabled. */

	check_cpu_stall(rsp, rdp);

	check_cpu_stall(rdp);



	/* Is this CPU a NO_HZ_FULL CPU that should ignore RCU? */

	if (rcu_nohz_full_cpu(rsp))