list_del(&p->list); if (list_empty(&old_p->list)) {
list_del_rcu(&p->list); if (list_empty(&old_p->list))
static inline void cleanup_aggr_kprobe(struct kprobe *old_p,		struct kprobe *p, unsigned long flags){	list_del(&p->list);	if (list_empty(&old_p->list)) {		cleanup_kprobe(old_p, flags);		kfree(old_p);	} else		spin_unlock_irqrestore(&kprobe_lock, flags);}