83 	static struct ftrace_hotpatch_trampoline *trampoline;  in ftrace_init_nop()  local
107 	trampoline = (*next_trampoline)++;  in ftrace_init_nop()
115 	tmp.brasl_disp = (shared - (const char *)&trampoline->brasl_opc) / 2;  in ftrace_init_nop()
118 	s390_kernel_write(trampoline, &tmp, sizeof(tmp));  in ftrace_init_nop()
121 	disp = ((char *)trampoline - (char *)rec->ip) / 2;  in ftrace_init_nop()
130 	struct ftrace_hotpatch_trampoline *trampoline;  in ftrace_get_trampoline()  local
138 	trampoline = (void *)(rec->ip + disp);  in ftrace_get_trampoline()
139 	if (get_kernel_nofault(opc, &trampoline->brasl_opc))  in ftrace_get_trampoline()
143 	return trampoline;  in ftrace_get_trampoline()
149 	struct ftrace_hotpatch_trampoline *trampoline;  in ftrace_modify_call()  local
152 	trampoline = ftrace_get_trampoline(rec);  in ftrace_modify_call()
153 	if (IS_ERR(trampoline))  in ftrace_modify_call()
154 		return PTR_ERR(trampoline);  in ftrace_modify_call()
155 	if (get_kernel_nofault(old, &trampoline->interceptor))  in ftrace_modify_call()
159 	s390_kernel_write(&trampoline->interceptor, &addr, sizeof(addr));  in ftrace_modify_call()
187 	struct ftrace_hotpatch_trampoline *trampoline;  in ftrace_make_call()  local
189 	trampoline = ftrace_get_trampoline(rec);  in ftrace_make_call()
190 	if (IS_ERR(trampoline))  in ftrace_make_call()
191 		return PTR_ERR(trampoline);  in ftrace_make_call()
192 	s390_kernel_write(&trampoline->interceptor, &addr, sizeof(addr));  in ftrace_make_call()