RE: [PATCH 2/3 v6] ACPI: allow longer device IDs

["Michael Kelley (LINUX)" <mikelley@microsoft.com>]

From: Jason A. Donenfeld <Jason@zx2c4.com> Sent: Thursday, March 24, 2022 12:45 PM
> 
> On 3/24/22, Michael Kelley (LINUX) <mikelley@microsoft.com> wrote:
> > From: Ard Biesheuvel <ardb@kernel.org> Sent: Tuesday, March 22, 2022 3:07
> > PM
> >>
> >> On Tue, 22 Mar 2022 at 20:59, Michael Kelley (LINUX)
> >> <mikelley@microsoft.com> 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

Indeed!  My mistake.  I just assumed it was a PDF without even looking at it. :-(
Somebody internally here also just commented that it was weird to have a .docx
file posted for download.

Regardless, that removes one hurdle to making updates!

Michael