Re: [Qemu-devel] [PATCH v4] Use Aff1 with mpidr

[Igor Mammedov]

On Mon, 15 Jun 2015 11:13:52 +0300
Pavel Fedin <address@hidden> wrote:

>  Hello!
> 
> > For machine models to specify topology we would need a property
> > or properties on the QOM object for the machine model to set,
> 
>  On which object? There's no single object inside a machine model. Of course 
> you can expose MP IDs of CPU objects as properties and set them, but isn't it 
> more difficult than just changing one global before setting things up?
that's how we model it for x86 target, i.e. board sets apic-id property
of CPU's it  creates, and that's what I've suggested before (i.e. not a global 
for sure).

>  But, OK, this is just a MHO, and generally i don't object. If you think that 
> your suggestion is architecturally better, do it. I'm out of arguments. :)
> 
> > (And we'd need to have the code to see if KVM
> > supported setting arbitrary MPIDR values, and fail if not.)
> 
>  I believe this is a different story.
> 
> Kind regards,
> Pavel Fedin
> Expert Engineer
> Samsung Electronics Research center Russia
> 
> 
>