add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/s390/kernel/nospec-sysfs.c
..
..
@@ -15,7 +15,7 @@
15
15
 {
16
16
 	if (test_facility(156))
17
17
 		return sprintf(buf, "Mitigation: etokens\n");
18
-	if (IS_ENABLED(CC_USING_EXPOLINE) && !nospec_disable)
18
+	if (__is_defined(CC_USING_EXPOLINE) && !nospec_disable)
19
19
 		return sprintf(buf, "Mitigation: execute trampolines\n");
20
20
 	if (__test_facility(82, S390_lowcore.alt_stfle_fac_list))
21
21
 		return sprintf(buf, "Mitigation: limited branch prediction\n");