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Re: [PATCH v2] WHPX: support for xcr0


From: Philippe Mathieu-Daudé
Subject: Re: [PATCH v2] WHPX: support for xcr0
Date: Wed, 20 May 2020 12:27:00 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0

+launchpad ticket

On 11/7/19 11:52 PM, Sunil Muthuswamy wrote:
You will need the Windows 10 SDK for RS5 (build 17763) or above to
to be able to compile this patch because of the definition of the
XCR0 register.

Changes since v1:
- Added a sign-off line in the patch.


I am not very happy with the current situation which suggests using non
free header files from the Microsoft Windows SDK, thus making it
impossible to produce QEMU executables for Windows with WHPX support
without having legal complications.

Could you please add the required headers with a suitable license to the
QEMU source code? That would clarify the license issue and make builds
with WHPX much easier because those files would not have to be extracted
from a very large SDK installation.

It would also be acceptable if Microsoft could update the license
comments in those files and use a QEMU compatible license.

I agree in principle that there should be an easier way to consume the Windows
SDK headers without having to play around with the licenses. I also agree that
that will make life lot easier for many developers. I am reaching out
internally here to see what can be done about this, but, that might take some
time. Meanwhile, is it possible to make some progress on this patch?

Kind regards
Stefan Weil







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