1300 	struct rb_node *n, *t;  in build_probe_list()  local
1310 		for (t = n; t; t = rb_prev(t)) {  in build_probe_list()
1311 			u = rb_entry(t, struct uprobe, rb_node);  in build_probe_list()
1317 		for (t = n; (t = rb_next(t)); ) {  in build_probe_list()
1318 			u = rb_entry(t, struct uprobe, rb_node);  in build_probe_list()
1718 void uprobe_free_utask(struct task_struct *t)  in uprobe_free_utask()  argument
1720 	struct uprobe_task *utask = t->utask;  in uprobe_free_utask()
1733 	xol_free_insn_slot(t);  in uprobe_free_utask()
1735 	t->utask = NULL;  in uprobe_free_utask()
1753 static int dup_utask(struct task_struct *t, struct uprobe_task *o_utask)  in dup_utask()  argument
1761 	t->utask = n_utask;  in dup_utask()
1781 static void uprobe_warn(struct task_struct *t, const char *msg)  in uprobe_warn()  argument
1800 void uprobe_copy_process(struct task_struct *t, unsigned long flags)  in uprobe_copy_process()  argument
1806 	t->utask = NULL;  in uprobe_copy_process()
1811 	if (mm == t->mm && !(flags & CLONE_VFORK))  in uprobe_copy_process()
1814 	if (dup_utask(t, utask))  in uprobe_copy_process()
1815 		return uprobe_warn(t, "dup ret instances");  in uprobe_copy_process()
1820 		return uprobe_warn(t, "dup xol area");  in uprobe_copy_process()
1822 	if (mm == t->mm)  in uprobe_copy_process()
1825 	t->utask->dup_xol_addr = area->vaddr;  in uprobe_copy_process()
1826 	init_task_work(&t->utask->dup_xol_work, dup_xol_work);  in uprobe_copy_process()
1827 	task_work_add(t, &t->utask->dup_xol_work, true);  in uprobe_copy_process()
1969 	struct task_struct *t = current;  in uprobe_deny_signal()  local
1970 	struct uprobe_task *utask = t->utask;  in uprobe_deny_signal()
1977 	if (signal_pending(t)) {  in uprobe_deny_signal()
1978 		spin_lock_irq(&t->sighand->siglock);  in uprobe_deny_signal()
1979 		clear_tsk_thread_flag(t, TIF_SIGPENDING);  in uprobe_deny_signal()
1980 		spin_unlock_irq(&t->sighand->siglock);  in uprobe_deny_signal()
1982 		if (__fatal_signal_pending(t) || arch_uprobe_xol_was_trapped(t)) {  in uprobe_deny_signal()
1984 			set_tsk_thread_flag(t, TIF_UPROBE);  in uprobe_deny_signal()