80 	static struct ftrace_hotpatch_trampoline *trampoline;  in ftrace_init_nop()  local
104 	trampoline = (*next_trampoline)++;  in ftrace_init_nop()
114 	tmp.brasl_disp = (shared - (const char *)&trampoline->brasl_opc) / 2;  in ftrace_init_nop()
117 	s390_kernel_write(trampoline, &tmp, sizeof(tmp));  in ftrace_init_nop()
120 	disp = ((char *)trampoline - (char *)rec->ip) / 2;  in ftrace_init_nop()
129 	struct ftrace_hotpatch_trampoline *trampoline;  in ftrace_get_trampoline()  local
137 	trampoline = (void *)(rec->ip + disp);  in ftrace_get_trampoline()
138 	if (get_kernel_nofault(opc, &trampoline->brasl_opc))  in ftrace_get_trampoline()
142 	return trampoline;  in ftrace_get_trampoline()
175 	struct ftrace_hotpatch_trampoline *trampoline;  in ftrace_modify_trampoline_call()  local
178 	trampoline = ftrace_get_trampoline(rec);  in ftrace_modify_trampoline_call()
179 	if (IS_ERR(trampoline))  in ftrace_modify_trampoline_call()
180 		return PTR_ERR(trampoline);  in ftrace_modify_trampoline_call()
181 	if (get_kernel_nofault(old, &trampoline->interceptor))  in ftrace_modify_trampoline_call()
185 	s390_kernel_write(&trampoline->interceptor, &addr, sizeof(addr));  in ftrace_modify_trampoline_call()
225 	struct ftrace_hotpatch_trampoline *trampoline;  in ftrace_make_trampoline_call()  local
227 	trampoline = ftrace_get_trampoline(rec);  in ftrace_make_trampoline_call()
228 	if (IS_ERR(trampoline))  in ftrace_make_trampoline_call()
229 		return PTR_ERR(trampoline);  in ftrace_make_trampoline_call()
230 	s390_kernel_write(&trampoline->interceptor, &addr, sizeof(addr));  in ftrace_make_trampoline_call()