[PATCH 0/1][focal/linux-azure-cvm] Azure: Fix the Focal Azure CVM kernel for VBS VMs

[Tim Gardner]

BugLink: https://bugs.launchpad.net/bugs/1981328

SRU Justification

[Impact]

The latest 5.4-based linux-azure-cvm kernel
(https://git.launchpad.net/~canonical-kernel/ubuntu/+source/linux-azure/+git/focal/tag/?h=Ubuntu-azure-cvm-5.4.0-1085.90%2bcvm2)
works fine when it runs in an AMD SNP VM, but doesn't work when it runs in a VBS
VM (for VBS, please refer to https://docs.microsoft.com/en-us/windows-hardware/design/device-experiences/oem-vbs)

[Fix]

https://github.com/dcui/linux-azure-cvm/commit/b262b15df05e06be0a43ecc4c72fb3b735a78fe7

[Test Case]

Microsoft tested

[Where things could go wrong]

This could affect regular CVM instances

[Other Info]

SF: #00340455