78 	if (!current->ret_stack)  in ftrace_push_return_trace()
97 	current->ret_stack[index].ret = ret;  in ftrace_push_return_trace()
98 	current->ret_stack[index].func = func;  in ftrace_push_return_trace()
99 	current->ret_stack[index].calltime = calltime;  in ftrace_push_return_trace()
101 	current->ret_stack[index].fp = frame_pointer;  in ftrace_push_return_trace()
104 	current->ret_stack[index].retp = retp;  in ftrace_push_return_trace()
189 	if (unlikely(current->ret_stack[index].fp != frame_pointer)) {  in ftrace_pop_return_trace()
193 		     current->ret_stack[index].fp,  in ftrace_pop_return_trace()
195 		     (void *)current->ret_stack[index].func,  in ftrace_pop_return_trace()
196 		     current->ret_stack[index].ret);  in ftrace_pop_return_trace()
202 	*ret = current->ret_stack[index].ret;  in ftrace_pop_return_trace()
203 	trace->func = current->ret_stack[index].func;  in ftrace_pop_return_trace()
204 	trace->calltime = current->ret_stack[index].calltime;  in ftrace_pop_return_trace()
311 		return &task->ret_stack[idx];  in ftrace_graph_get_ret_stack()
345 		if (task->ret_stack[i].retp == retp)  in ftrace_graph_ret_addr()
346 			return task->ret_stack[i].ret;  in ftrace_graph_ret_addr()
361 	if (!task->ret_stack || task_idx < *idx)  in ftrace_graph_ret_addr()
367 	return task->ret_stack[task_idx].ret;  in ftrace_graph_ret_addr()
432 		if (t->ret_stack == NULL) {  in alloc_retstack_tasklist()
438 			t->ret_stack = ret_stack_list[start++];  in alloc_retstack_tasklist()
481 		next->ret_stack[index].calltime += timestamp;  in ftrace_graph_probe_sched_switch()
527 graph_init_task(struct task_struct *t, struct ftrace_ret_stack *ret_stack)  in graph_init_task()  argument
533 	t->ret_stack = ret_stack;  in graph_init_task()
548 	if (t->ret_stack)  in ftrace_graph_init_idle_task()
549 		WARN_ON(t->ret_stack != per_cpu(idle_ret_stack, cpu));  in ftrace_graph_init_idle_task()
552 		struct ftrace_ret_stack *ret_stack;  in ftrace_graph_init_idle_task()  local
554 		ret_stack = per_cpu(idle_ret_stack, cpu);  in ftrace_graph_init_idle_task()
555 		if (!ret_stack) {  in ftrace_graph_init_idle_task()
556 			ret_stack =  in ftrace_graph_init_idle_task()
560 			if (!ret_stack)  in ftrace_graph_init_idle_task()
562 			per_cpu(idle_ret_stack, cpu) = ret_stack;  in ftrace_graph_init_idle_task()
564 		graph_init_task(t, ret_stack);  in ftrace_graph_init_idle_task()
572 	t->ret_stack = NULL;  in ftrace_graph_init_task()
577 		struct ftrace_ret_stack *ret_stack;  in ftrace_graph_init_task()  local
579 		ret_stack = kmalloc_array(FTRACE_RETFUNC_DEPTH,  in ftrace_graph_init_task()
582 		if (!ret_stack)  in ftrace_graph_init_task()
584 		graph_init_task(t, ret_stack);  in ftrace_graph_init_task()
590 	struct ftrace_ret_stack	*ret_stack = t->ret_stack;  in ftrace_graph_exit_task()  local
592 	t->ret_stack = NULL;  in ftrace_graph_exit_task()
596 	kfree(ret_stack);  in ftrace_graph_exit_task()
614 		if (!idle_task(cpu)->ret_stack)  in start_graph_tracing()