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-rw-r--r--src/shared/virt.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/shared/virt.c b/src/shared/virt.c
index 1c86a3dd1e..1abd6863ea 100644
--- a/src/shared/virt.c
+++ b/src/shared/virt.c
@@ -67,6 +67,7 @@ int detect_vm(const char **id) {
const char *j, *k;
bool hypervisor;
_cleanup_free_ char *hvtype = NULL;
+ _cleanup_free_ char *cpuinfo_contents = NULL;
int r;
/* Try high-level hypervisor sysfs file first:
@@ -164,6 +165,16 @@ int detect_vm(const char **id) {
}
#endif
+
+ /* Detect User-Mode Linux by reading /proc/cpuinfo */
+ r = read_full_file("/proc/cpuinfo", &cpuinfo_contents, NULL);
+ if (r < 0)
+ return r;
+ if (strstr(cpuinfo_contents, "\nvendor_id\t: User Mode Linux\n")) {
+ *id = "uml";
+ return 1;
+ }
+
return 0;
}