41 	struct stack_map_irq_work *work;  in do_up_read()  local
43 	work = container_of(entry, struct stack_map_irq_work, irq_work);  in do_up_read()
44 	up_read_non_owner(work->sem);  in do_up_read()
45 	work->sem = NULL;  in do_up_read()
288 	struct stack_map_irq_work *work = NULL;  in stack_map_get_build_id_offset()  local
291 		work = this_cpu_ptr(&up_read_work);  in stack_map_get_build_id_offset()
292 		if (work->irq_work.flags & IRQ_WORK_BUSY)  in stack_map_get_build_id_offset()
332 	if (!work) {  in stack_map_get_build_id_offset()
335 		work->sem = &current->mm->mmap_sem;  in stack_map_get_build_id_offset()
336 		irq_work_queue(&work->irq_work);  in stack_map_get_build_id_offset()
624 	struct stack_map_irq_work *work;  in stack_map_init()  local
627 		work = per_cpu_ptr(&up_read_work, cpu);  in stack_map_init()
628 		init_irq_work(&work->irq_work, do_up_read);  in stack_map_init()