125 	struct trace_array *tr = iter->tr;  in print_syscall_enter()  local
152 		if (tr->trace_flags & TRACE_ITER_VERBOSE)  in print_syscall_enter()
310 	struct trace_array *tr = data;  in ftrace_syscall_enter()  local
327 	trace_file = rcu_dereference_sched(tr->enter_syscall_files[syscall_nr]);  in ftrace_syscall_enter()
343 	buffer = tr->trace_buffer.buffer;  in ftrace_syscall_enter()
360 	struct trace_array *tr = data;  in ftrace_syscall_exit()  local
375 	trace_file = rcu_dereference_sched(tr->exit_syscall_files[syscall_nr]);  in ftrace_syscall_exit()
389 	buffer = tr->trace_buffer.buffer;  in ftrace_syscall_exit()
407 	struct trace_array *tr = file->tr;  in reg_event_syscall_enter()  local
415 	if (!tr->sys_refcount_enter)  in reg_event_syscall_enter()
416 		ret = register_trace_sys_enter(ftrace_syscall_enter, tr);  in reg_event_syscall_enter()
418 		rcu_assign_pointer(tr->enter_syscall_files[num], file);  in reg_event_syscall_enter()
419 		tr->sys_refcount_enter++;  in reg_event_syscall_enter()
428 	struct trace_array *tr = file->tr;  in unreg_event_syscall_enter()  local
435 	tr->sys_refcount_enter--;  in unreg_event_syscall_enter()
436 	RCU_INIT_POINTER(tr->enter_syscall_files[num], NULL);  in unreg_event_syscall_enter()
437 	if (!tr->sys_refcount_enter)  in unreg_event_syscall_enter()
438 		unregister_trace_sys_enter(ftrace_syscall_enter, tr);  in unreg_event_syscall_enter()
445 	struct trace_array *tr = file->tr;  in reg_event_syscall_exit()  local
453 	if (!tr->sys_refcount_exit)  in reg_event_syscall_exit()
454 		ret = register_trace_sys_exit(ftrace_syscall_exit, tr);  in reg_event_syscall_exit()
456 		rcu_assign_pointer(tr->exit_syscall_files[num], file);  in reg_event_syscall_exit()
457 		tr->sys_refcount_exit++;  in reg_event_syscall_exit()
466 	struct trace_array *tr = file->tr;  in unreg_event_syscall_exit()  local
473 	tr->sys_refcount_exit--;  in unreg_event_syscall_exit()
474 	RCU_INIT_POINTER(tr->exit_syscall_files[num], NULL);  in unreg_event_syscall_exit()
475 	if (!tr->sys_refcount_exit)  in unreg_event_syscall_exit()
476 		unregister_trace_sys_exit(ftrace_syscall_exit, tr);  in unreg_event_syscall_exit()