Re: [Qemu-devel] cpuid problem in upstream qemu with kvm

[Avi Kivity]

On 01/07/2010 11:40 AM, Dor Laor wrote:
> > There's no such thing as Nehalem.
>
>
> Intel were ok with it. Again, you can name is corei7 or 
> xeon34234234234, I don't care, the principle remains the same.

There are several processors belonging to the Nehalem family and each 
have different features.

> What's not simple about the above 4 options?

If a qemu/kvm/processor combo doesn't support a feature (say, nx) we 
have to remove it from the migration pool even if the Nehalem processor 
class says it's included.  Or else not admit that combination into the 
migration pool in the first place.

> What's a better alternative (that insures users understand it and use 
> it and guest msi and even skype application is happy about it)?

Have management scan new nodes and classify them.

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