Add mounting of a name=elogind cgroup if no init controller is found.

[elogind.git] / src / basic / virt.c

diff --git a/src/basic/virt.c b/src/basic/virt.c
index b2383e52658c242c5f25dec13245a9514f9d07a4..1f9843babc3e62e4c671b7c0ed33058a5c6f2170 100644 (file)
--- a/src/basic/virt.c
+++ b/src/basic/virt.c
@@ -156,7 +156,8 @@ static int detect_vm_dmi(const char **_id) {
                 "VMW\0"                   "vmware\0"
                 "innotek GmbH\0"          "oracle\0"
                 "Xen\0"                   "xen\0"
-                "Bochs\0"                 "bochs\0";
+                "Bochs\0"                 "bochs\0"
+                "Parallels\0"             "parallels\0";
         unsigned i;
 
         for (i = 0; i < ELEMENTSOF(dmi_vendors); i++) {
@@ -188,7 +189,7 @@ int detect_vm(const char **id) {
         _cleanup_free_ char *domcap = NULL, *cpuinfo_contents = NULL;
         static thread_local int cached_found = -1;
         static thread_local const char *cached_id = NULL;
-        const char *_id = NULL;
+        const char *_id = NULL, *_id_cpuid = NULL;
         int r;
 
         if (_likely_(cached_found >= 0)) {
@@ -234,10 +235,27 @@ int detect_vm(const char **id) {
 
         /* this will set _id to "other" and return 0 for unknown hypervisors */
         r = detect_vm_cpuid(&_id);
-        if (r != 0)
+
+        /* finish when found a known hypervisor other than kvm */
+        if (r < 0 || (r > 0 && !streq(_id, "kvm")))
                 goto finish;
 
+        _id_cpuid = _id;
+
         r = detect_vm_dmi(&_id);
+
+        /* kvm with and without Virtualbox */
+        /* Parallels exports KVMKVMKVM leaf */
+        if (streq_ptr(_id_cpuid, "kvm")) {
+                if (r > 0 && (streq(_id, "oracle") || streq(_id, "parallels")))
+                        goto finish;
+
+                _id = _id_cpuid;
+                r = 1;
+                goto finish;
+        }
+
+        /* information from dmi */
         if (r != 0)
                 goto finish;