130 	struct trace_array *tr = iter->tr;  in print_syscall_enter()  local
157 		if (tr && tr->trace_flags & TRACE_ITER_VERBOSE)  in print_syscall_enter()
293 	struct trace_array *tr = data;  in ftrace_syscall_enter()  local
307 	trace_file = rcu_dereference_sched(tr->enter_syscall_files[syscall_nr]);  in ftrace_syscall_enter()
334 	struct trace_array *tr = data;  in ftrace_syscall_exit()  local
346 	trace_file = rcu_dereference_sched(tr->exit_syscall_files[syscall_nr]);  in ftrace_syscall_exit()
371 	struct trace_array *tr = file->tr;  in reg_event_syscall_enter()  local
379 	if (!tr->sys_refcount_enter)  in reg_event_syscall_enter()
380 		ret = register_trace_sys_enter(ftrace_syscall_enter, tr);  in reg_event_syscall_enter()
382 		rcu_assign_pointer(tr->enter_syscall_files[num], file);  in reg_event_syscall_enter()
383 		tr->sys_refcount_enter++;  in reg_event_syscall_enter()
392 	struct trace_array *tr = file->tr;  in unreg_event_syscall_enter()  local
399 	tr->sys_refcount_enter--;  in unreg_event_syscall_enter()
400 	RCU_INIT_POINTER(tr->enter_syscall_files[num], NULL);  in unreg_event_syscall_enter()
401 	if (!tr->sys_refcount_enter)  in unreg_event_syscall_enter()
402 		unregister_trace_sys_enter(ftrace_syscall_enter, tr);  in unreg_event_syscall_enter()
409 	struct trace_array *tr = file->tr;  in reg_event_syscall_exit()  local
417 	if (!tr->sys_refcount_exit)  in reg_event_syscall_exit()
418 		ret = register_trace_sys_exit(ftrace_syscall_exit, tr);  in reg_event_syscall_exit()
420 		rcu_assign_pointer(tr->exit_syscall_files[num], file);  in reg_event_syscall_exit()
421 		tr->sys_refcount_exit++;  in reg_event_syscall_exit()
430 	struct trace_array *tr = file->tr;  in unreg_event_syscall_exit()  local
437 	tr->sys_refcount_exit--;  in unreg_event_syscall_exit()
438 	RCU_INIT_POINTER(tr->exit_syscall_files[num], NULL);  in unreg_event_syscall_exit()
439 	if (!tr->sys_refcount_exit)  in unreg_event_syscall_exit()
440 		unregister_trace_sys_exit(ftrace_syscall_exit, tr);  in unreg_event_syscall_exit()