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Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device
Date: Thu, 28 May 2015 15:00:52 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0

On 28/05/2015 14:21, Michael S. Tsirkin wrote:
> > And the way I can fix it would be...? Is there another memory region I can
> > use?
> > 
> > Thanks,
> > 
> >     Gal.
> I think we hammered out an interesting alternative off-list: get hold of
> some AddressRegionNVS memory and copy data from MMIO or port io over
> there when you get an interrupt.

That doesn't work because there's no way to get the base address of a

You could use a linker ADD_POINTER command, but it wouldn't work for
UEFI.  So I think it's best to just stay with this one.  If we do find
something better we can always change it later.


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