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authorChristian Hesse <mail@eworm.de>2015-11-23 19:15:25 +0100
committerChristian Hesse <mail@eworm.de>2015-11-23 19:15:25 +0100
commitf6875b0a630cdcc6bb312f130ae92fc8becfb231 (patch)
tree520f8d9a80db8e704087acbc2225d9a8abe6fcc4 /src/basic
parent681c8d81bdc946360d13185632d1920ffaeb5ad9 (diff)
virt: add comment about order in virtualization detection
Diffstat (limited to 'src/basic')
-rw-r--r--src/basic/virt.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/basic/virt.c b/src/basic/virt.c
index a271c87333..b82680a54b 100644
--- a/src/basic/virt.c
+++ b/src/basic/virt.c
@@ -269,6 +269,13 @@ int detect_vm(void) {
if (cached_found >= 0)
return cached_found;
+ /* We have to use the correct order here:
+ * Some virtualization technologies do use KVM hypervisor but are
+ * expected to be detected as something else. So detect DMI first.
+ *
+ * An example is Virtualbox since version 5.0, which uses KVM backend.
+ * Detection via DMI works corretly, the CPU ID would find KVM
+ * only. */
r = detect_vm_dmi();
if (r < 0)
return r;