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-rw-r--r--debian/extra/rules-ubuntu/40-vm-hotadd.rules14
1 files changed, 14 insertions, 0 deletions
diff --git a/debian/extra/rules-ubuntu/40-vm-hotadd.rules b/debian/extra/rules-ubuntu/40-vm-hotadd.rules
new file mode 100644
index 0000000..62a5a62
--- /dev/null
+++ b/debian/extra/rules-ubuntu/40-vm-hotadd.rules
@@ -0,0 +1,14 @@
+# On Hyper-V and Xen Virtual Machines we want to add memory and cpus as soon as they appear
+ATTR{[dmi/id]sys_vendor}=="Microsoft Corporation", ATTR{[dmi/id]product_name}=="Virtual Machine", GOTO="vm_hotadd_apply"
+ATTR{[dmi/id]sys_vendor}=="Xen", GOTO="vm_hotadd_apply"
+GOTO="vm_hotadd_end"
+
+LABEL="vm_hotadd_apply"
+
+# Memory hotadd request
+SUBSYSTEM=="memory", ACTION=="add", DEVPATH=="/devices/system/memory/memory[0-9]*", TEST=="state", ATTR{state}="online"
+
+# CPU hotadd request
+SUBSYSTEM=="cpu", ACTION=="add", DEVPATH=="/devices/system/cpu/cpu[0-9]*", TEST=="online", ATTR{online}="1"
+
+LABEL="vm_hotadd_end"