Microsoft engineers continue to work heavily on enhancing the Linux support for Hyper-V considering that in the Azure public cloud at last report was more than 50% of their VMs running Linux. Microsoft has continued implementing more Hyper-V features within the Linux kernel and their latest is working on Virtual Trust Level (VTL) integration as part of Virtual Secure Mode (VSM) handling.

Sent out today on the Linux kernel mailing list was the Hyper-V patches working on this Virtual Trust Level (VTL) support as part of the Virtual Secure Mode enablement.

The initial Linux kernel patch gets VTL support in place for x86-based platforms, VTL early boot-up handling, and other changes for initially supporting the VTL 2 level. More details on the VTL functionality via the Microsoft documentation.

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