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Re: [Xen-users] Re: Is xen planning to support hvm guests booting under UEFI?

  From: "jim burns" <jim_burn@xxxxxxxxxxxxx>
  Date: Sat, 24 Sep 2011 17:47:16 -0400

  On Sat September 24 2011, 5:37:14 PM, chris wrote:

  > what windows 8 hvm problem? im running the developer
  > preview as a xen hvm, it works fine?

  Go back to the first post in this thread, where I quote an

  "Red Hat's Matthew Garrett was one of the first to notice
  that according to the new logo rules, all Windows 8
  machines will need to be have the Unified Extensible
  Firmware Interface (UEFI) instead of the venerable BIOS
  firmware layer. BIOS has been pretty much the sole
  firmware interface for PCs for a long time."

As I understand it, the key word in the above quote is
"logo".  If a hardware company wants to use the Windows 8
branding, i.e. Microsoft's trademarked logo, they've got to
provide a secure UEFI ... which is a reasonable hardening of
the system from a security viewpoint.

I can't image Microsoft preventing Windows 8 from booting on
older hardware; for one thing, it would drastically slow
down the adoption rate if the people who influence it could
only try it out the final version after buying a new machine.
So I would expect it to have no more or less trouble running
as a DomU as any other Microsoft OS has in times past.

- Harold

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