Re: KVM call agenda for Jan 26

Avi Kivity
2010-01-26T14:26:11Z

On 01/26/2010 04:22 PM, Anthony Liguori wrote:
> On 01/26/2010 08:15 AM, Avi Kivity wrote:
>> On 01/26/2010 04:13 PM, Anthony Liguori wrote:
>>>> Me too, especially as the whole stack is involved, and qemu is the
>>>> topmost part from our perspective (no doubt libvirt will want to
>>>> integrate that functionality as well).
>>>
>>>
>>> I'm not sure I agree. It would use no code from qemu and really
>>> benefit in no way from being part of qemu. I don't feel that
>>> strongly about it though.
>>>
>>
>> It would need to know which cpuid bits qemu supports. Only qemu
>> knows that.
>
> I'm not sure I understand why. Can you elaborate?
>

If qemu doesn't recognize -cpu qemu64,+nx, then no amount of hardware
and kvm.ko support will allow the user to enable nx in a guest.

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