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Re: [Qemu-devel] [PATCH 0/4] set the OEM fields in the RSDT and the FADT

From: Laszlo Ersek
Subject: Re: [Qemu-devel] [PATCH 0/4] set the OEM fields in the RSDT and the FADT from the SLIC
Date: Thu, 21 Jan 2016 12:55:18 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1

On 01/21/16 12:42, Michael Tokarev wrote:
> 21.01.2016 14:37, Richard W.M. Jones wrote:
>> I'm afraid I gave up on this -- did give it my best.  It turns out
>> that the machine that I thought supported UEFI boot does not.  I'll
>> keep an eye out for such a machine and test this in future.
> BTW, why do you guys refer to UEFI boot all the time?  The whole thing
> is equally useful on traditional BIOS-booting machines too.  Windows7
> uses the same mechanism (looking at RSDT) for offline activation no
> matter if it is EFI system or not.
> When I did first version of my patch (based on someone else's version,
> but details escapes my memory already), there was no UEFI support for
> qemu whatsoever, and it allowed me to use my OEM version of Windows7
> inside a qemu virtual machine without second activation.

I've been referring to UEFI because my interest was renewed in this
topic by the following OVMF problem report:


Of course, the issue is not specific to OVMF (that's why I posted the
patches for QEMU), but I guess it stuck in my mind. Sorry.


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