[Qemu-devel] Re: [PATCH 3/3] Add svm cpuid features

[Alexander Graf]

Roedel, Joerg wrote:
> On Thu, Sep 16, 2010 at 10:06:48AM -0400, Avi Kivity wrote:
>   
>>   On 09/14/2010 05:52 PM, Joerg Roedel wrote:
>>     
>>> This patch adds the svm cpuid feature flags to the qemu
>>> intialization path. It also adds the svm features available
>>> on phenom to its cpu-definition and extends the host cpu
>>> type to support all svm features KVM can provide.
>>>
>>>
>>>       
>> Does phenom really have vmcbclean?  I thought it was a really new feature.
>>     
>
> No, but we could emulate it on almost all hardware that has SVM. Its
> basically the same as with x2apic.
>   

-cpu <non-host> is not about what we could emulate, but what the
hardware really is. Features not supported by the particular CPU do not
belong there.


Alex