Re: [PATCH] Update qemu-kvm to allow a larger BIOS image.

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On Thu, 2009-07-16 at 10:57 -0700, Jordan Justen wrote:
> On Wed, Jul 15, 2009 at 10:37 PM, Sheng Yang<sheng@xxxxxxxxxxxxxxx> wrote:
> > Make sense to me. So what's mattered here is not bios, but qemu-kvm and kvm
> > code. The user can replace bios binary by UEFI binary easily, but not with kvm
> > related part.
> >
> > I realized you still need separate the qemu-kvm patch into two: one for bios
> > and another for qemu.
> 
> Okay, I will split this change apart.
> 
> > And I just hope this modification won't break some old
> > OS(any OS got assumption about bios size? I think Tiano team should have idea
> > on it)...
> 
> I don't think the OS should care about the bios size, but it is
> important to update the INT15-E820 memory ranges to help
> make sure the OS knows which regions are in use.
> 
> Even without the E820 change, I think it would be unlikely
> for an OS to try utilize these memory regions, but it is
> definitely better to properly describe it.
Hello,

I don't know if I get this right, but is it enough to apply this patch
to KVM-userspace, or do I also need to have a patched kernel in order to
get large images (my image is 4MB) to work in KVM? 

Thanks,
Cristi

-- 
Ing. Cristi Măgherușan, System/Network Engineer
Technical University of Cluj-Napoca, Romania
http://cc.utcluj.ro  +40264 401247

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