systemd/0001-detect-s390-virt.patch

35 lines
1.0 KiB
Diff

bnc#880438 - systemd-detect-virt doesn't work on System z
--- systemd-210/src/shared/virt.c
+++ systemd-210/src/shared/virt.c 2014-06-17 08:03:30.152489353 +0000
@@ -196,6 +196,29 @@
} else
return r;
+#if defined(__s390x__)
+ /* First layer virtualization (PR/SM) is always present on s390x */
+ _id = "PR/SM";
+ r = 1;
+
+ /* Check for second layer virtualization */
+ _cleanup_fclose_ FILE *f = NULL;
+ char line[LINE_MAX];
+ f = fopen("/proc/sysinfo", "re");
+ if (f) {
+ FOREACH_LINE(line, f, return -errno) {
+ if (startswith(line, "VM00 Control Program:")) {
+ if (strstr(line,"z/VM"))
+ _id = "z/VM";
+
+ break;
+ }
+ }
+ }
+
+ goto finish;
+#endif
+
/* this will set _id to "other" and return 0 for unknown hypervisors */
r = detect_vm_cpuid(&_id);
if (r != 0)