CONFIG_VMGENID: Virtual Machine Generation ID driver

General informations

The Linux kernel configuration item CONFIG_VMGENID:

• prompt: Virtual Machine Generation ID driver
• type: tristate
• depends on: (none)
• defined in drivers/virt/Kconfig
• found in Linux kernels: 5.18–5.19, 6.0–6.11, 6.12-rc+HEAD
• modules built: vmgenid

Help text

Say Y here to use the hypervisor-provided Virtual Machine Generation ID to reseed the RNG when the VM is cloned. This is highly recommended if you intend to do any rollback / cloning / snapshotting of VMs.

Prefer Y to M so that this protection is activated very early.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb acpi "VMGENCTR" : CONFIG_VIRT_DRIVERS CONFIG_VMGENID : drivers/virt/vmgenid.c # in 5.18–5.19, 6.0–6.11, 6.12-rc+HEAD
• lkddb acpi "VM_GEN_COUNTER" : CONFIG_VIRT_DRIVERS CONFIG_VMGENID : drivers/virt/vmgenid.c # in 5.18–5.19, 6.0–6.11, 6.12-rc+HEAD
• lkddb module vmgenid CONFIG_VMGENID : drivers/virt/Kconfig : "Virtual Machine Generation ID driver" # in 5.18–5.19, 6.0–6.11, 6.12-rc+HEAD
• lkddb of "" "" "microsoft,vmgenid" : CONFIG_VIRT_DRIVERS CONFIG_VMGENID : drivers/virt/vmgenid.c # in 6.10–6.11, 6.12-rc+HEAD
• lkddb platform "vmgenid" : CONFIG_VIRT_DRIVERS CONFIG_VMGENID : drivers/virt/vmgenid.c # in 6.10–6.11, 6.12-rc+HEAD

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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