Commit 15cabdff authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

rcu: Remove rsp parameter from note_gp_changes() 



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
note_gp_changes().

Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent c7e48f7b

kernel/rcu/tree.c

+3 −3
Original line number Diff line number Diff line
@@ -1801,7 +1801,7 @@ static bool __note_gp_changes(struct rcu_node *rnp, struct rcu_data *rdp) 
	return ret;

}



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

static void note_gp_changes(struct rcu_data *rdp)

{

	unsigned long flags;

	bool needwake;
@@ -2375,7 +2375,7 @@ static void 
rcu_check_quiescent_state(struct rcu_state *rsp, struct rcu_data *rdp)

{

	/* Check for grace-period ends and beginnings. */

	note_gp_changes(rsp, rdp);

	note_gp_changes(rdp);



	/*

	 * Does this CPU still need to do its part for current grace period?
@@ -2840,7 +2840,7 @@ static void __call_rcu_core(struct rcu_state *rsp, struct rcu_data *rdp, 
		     rdp->qlen_last_fqs_check + qhimark)) {



		/* Are we ignoring a completed grace period? */

		note_gp_changes(rsp, rdp);

		note_gp_changes(rdp);



		/* Start a new grace period if one not already started. */

		if (!rcu_gp_in_progress()) {

kernel/rcu/tree_plugin.h

+1 −1
Original line number Diff line number Diff line
@@ -1586,7 +1586,7 @@ static bool __maybe_unused rcu_try_advance_all_cbs(void) 
					  rcu_seq_current(&rnp->gp_seq)) ||

		     unlikely(READ_ONCE(rdp->gpwrap))) &&

		    rcu_segcblist_pend_cbs(&rdp->cblist))

			note_gp_changes(rsp, rdp);

			note_gp_changes(rdp);



		if (rcu_segcblist_ready_cbs(&rdp->cblist))

			cbs_ready = true;