130 	struct trace_array *tr = iter->tr;  in print_syscall_enter()  local
160 		if (tr && tr->trace_flags & TRACE_ITER_VERBOSE)  in print_syscall_enter()
299 	struct trace_array *tr = data;  in ftrace_syscall_enter()  local
319 	trace_file = READ_ONCE(tr->enter_syscall_files[syscall_nr]);  in ftrace_syscall_enter()
346 	struct trace_array *tr = data;  in ftrace_syscall_exit()  local
364 	trace_file = READ_ONCE(tr->exit_syscall_files[syscall_nr]);  in ftrace_syscall_exit()
389 	struct trace_array *tr = file->tr;  in reg_event_syscall_enter()  local
397 	if (!tr->sys_refcount_enter)  in reg_event_syscall_enter()
398 		ret = register_trace_sys_enter(ftrace_syscall_enter, tr);  in reg_event_syscall_enter()
400 		WRITE_ONCE(tr->enter_syscall_files[num], file);  in reg_event_syscall_enter()
401 		tr->sys_refcount_enter++;  in reg_event_syscall_enter()
410 	struct trace_array *tr = file->tr;  in unreg_event_syscall_enter()  local
417 	tr->sys_refcount_enter--;  in unreg_event_syscall_enter()
418 	WRITE_ONCE(tr->enter_syscall_files[num], NULL);  in unreg_event_syscall_enter()
419 	if (!tr->sys_refcount_enter)  in unreg_event_syscall_enter()
420 		unregister_trace_sys_enter(ftrace_syscall_enter, tr);  in unreg_event_syscall_enter()
427 	struct trace_array *tr = file->tr;  in reg_event_syscall_exit()  local
435 	if (!tr->sys_refcount_exit)  in reg_event_syscall_exit()
436 		ret = register_trace_sys_exit(ftrace_syscall_exit, tr);  in reg_event_syscall_exit()
438 		WRITE_ONCE(tr->exit_syscall_files[num], file);  in reg_event_syscall_exit()
439 		tr->sys_refcount_exit++;  in reg_event_syscall_exit()
448 	struct trace_array *tr = file->tr;  in unreg_event_syscall_exit()  local
455 	tr->sys_refcount_exit--;  in unreg_event_syscall_exit()
456 	WRITE_ONCE(tr->exit_syscall_files[num], NULL);  in unreg_event_syscall_exit()
457 	if (!tr->sys_refcount_exit)  in unreg_event_syscall_exit()
458 		unregister_trace_sys_exit(ftrace_syscall_exit, tr);  in unreg_event_syscall_exit()