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Commit 43e903ad authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

rcu: Inline invoke_rcu_callbacks() into its sole remaining caller 



This commit saves a few lines of code by inlining invoke_rcu_callbacks()
into its sole remaining caller.

Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.ibm.com>
parent 0864f057

kernel/rcu/tree.c

+3 −17
Original line number Diff line number Diff line
@@ -147,7 +147,6 @@ static void rcu_init_new_rnp(struct rcu_node *rnp_leaf); 
static void rcu_cleanup_dead_rnp(struct rcu_node *rnp_leaf);

static void rcu_boost_kthread_setaffinity(struct rcu_node *rnp, int outgoingcpu);

static void invoke_rcu_core(void);

static void invoke_rcu_callbacks(struct rcu_data *rdp);

static void rcu_report_exp_rdp(struct rcu_data *rdp);

static void sync_sched_exp_online_cleanup(int cpu);
@@ -2296,8 +2295,9 @@ static __latent_entropy void rcu_core(void) 
	rcu_check_gp_start_stall(rnp, rdp, rcu_jiffies_till_stall_check());



	/* If there are callbacks ready, invoke them. */

	if (rcu_segcblist_ready_cbs(&rdp->cblist))

		invoke_rcu_callbacks(rdp);

	if (rcu_segcblist_ready_cbs(&rdp->cblist) &&

	    likely(READ_ONCE(rcu_scheduler_fully_active)))

		rcu_do_batch(rdp);



	/* Do any needed deferred wakeups of rcuo kthreads. */

	do_nocb_deferred_wakeup(rdp);
@@ -2332,20 +2332,6 @@ static void invoke_rcu_core_kthread(void) 
	local_irq_restore(flags);

}



/*

 * Do RCU callback invocation.  Not that if we are running !use_softirq,

 * we are already in the rcuc kthread.  If callbacks are offloaded, then

 * ->cblist is always empty, so we don't get here.  Therefore, we only

 * ever need to check for the scheduler being operational (some callbacks

 * do wakeups, so we do need the scheduler).

 */

static void invoke_rcu_callbacks(struct rcu_data *rdp)

{

	if (unlikely(!READ_ONCE(rcu_scheduler_fully_active)))

		return;

	rcu_do_batch(rdp);

}



/*

 * Wake up this CPU's rcuc kthread to do RCU core processing.

 */