On 3/24/22, Michael Kelley (LINUX) <mikelley@xxxxxxxxxxxxx> wrote: > From: Ard Biesheuvel <ardb@xxxxxxxxxx> Sent: Tuesday, March 22, 2022 3:07 > PM >> >> On Tue, 22 Mar 2022 at 20:59, Michael Kelley (LINUX) >> <mikelley@xxxxxxxxxxxxx> wrote: >> > >> > The Hyper-V guys pass along their thanks for your suggestion. They >> > have >> > created an internal build with the change and verified that it >> > preserves >> > compatibility with Windows guests. I've tested with Linux guests and >> > Jason's new driver (modified to look for "VMGENCTR"), and it all looks >> > good. >> > It will take a little while to wend its way through the Windows/Hyper-V >> > release system, but they are planning to take the change. >> > >> >> Thanks for reporting back. >> >> Will the spec be updated accordingly? > > The Hyper-V team is looking into updating the spec. The document > is 10 years old, so they need to find the original source for the PDF. > Lol, here's the docx: https://download.microsoft.com/download/3/1/C/31CFC307-98CA-4CA5-914C-D9772691E214/VirtualMachineGenerationID.docx