24 	struct cxl_calls *calls = NULL;  in cxl_calls_get()  local
27 	calls = rcu_dereference(cxl_calls);  in cxl_calls_get()
28 	if (calls && !try_module_get(calls->owner))  in cxl_calls_get()
29 		calls = NULL;  in cxl_calls_get()
32 	return calls;  in cxl_calls_get()
35 static inline void cxl_calls_put(struct cxl_calls *calls)  in cxl_calls_put()  argument
37 	BUG_ON(calls != cxl_calls);  in cxl_calls_put()
50 static inline void cxl_calls_put(struct cxl_calls *calls) { }  in cxl_calls_put()  argument
69 	struct cxl_calls *calls;  in cxl_slbia()  local
71 	calls = cxl_calls_get();  in cxl_slbia()
72 	if (!calls)  in cxl_slbia()
76 	    calls->cxl_slbia(mm);  in cxl_slbia()
78 	cxl_calls_put(calls);  in cxl_slbia()
81 int register_cxl_calls(struct cxl_calls *calls)  in register_cxl_calls()  argument
86 	rcu_assign_pointer(cxl_calls, calls);  in register_cxl_calls()
91 void unregister_cxl_calls(struct cxl_calls *calls)  in unregister_cxl_calls()  argument
93 	BUG_ON(cxl_calls->owner != calls->owner);  in unregister_cxl_calls()