Re: [Qemu-devel] [PATCH 2/2] qemu-kvm: Add svm cpuid features

Joerg Roedel
2010-09-12T14:30:51Z

On Sun, Sep 12, 2010 at 10:01:28AM +0200, Avi Kivity wrote:
> On 09/12/2010 09:16 AM, Alexander Graf wrote:

>> Either way, I don't think we need a phenom2 type. The features
>> additional are minor enough to not really matter and all use cases I
>> can come up with require either -cpu host (local virt) or -cpu phenom
>> (migration).
>
> I'm fine with this (or with adding phenom2). But don't make phenom
> contain flags that real phenoms don't have.

How about features that are not supported by the hardware but can be
supported in emulation? The VMCBCLEAN feature is one of those which
makes a lot of sense to reduce the emulated world-switch times. I guess
its ok to enable those with -cpu host?

Joerg