[vfio-users] hypervisor enlightenments in upstream qemu

[Alexander Petrenz]

Hi Doug,

I guess this is part of QEMU 2.5 by now. On the command line you can use it
as followes:

-cpu host,hv_time,hv_vendor_id=KeenlyKVM

I don´t know if this is also in libvirt already. But I can't tell if you
have any advantage of this right away. I tried this along with hv_time on
my existing Windows 7 VM, and it wasn't able to start because of hv_time.
So maybe you need to do a fresh install at least - but I'm not sure.

PS: the patch is located here:
https://www.mail-archive.com/qemu-devel@nongnu.org/msg328958.html

Alex

On Mon, Jan 11, 2016 at 6:31 PM, Doug Applegate <doug.applegate at gmail.com>
wrote:

> Hello,
>
> I recall someone mentioning that Alex had a patch to QEMU that avoids
> the need for disabling hypervisor enlightenments if you were using
> nVidia graphic cards.
>
> Is this in upstream QEMU, if it is has it been released? Or do I need
> to patch QEMU first?  Where exactly is this patch?
>
> Thanks!
>
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