Re: [Qemu-devel] Re: qemu-kvm faster than qemu?

[Alexander Graf]

On 26.08.2010, at 11:59, Gerd Hoffmann wrote:

> On 08/26/10 09:59, Gleb Natapov wrote:
>> On Thu, Aug 26, 2010 at 09:53:27AM +0200, Gerd Hoffmann wrote:
>>>   Hi,
>>> 
>>>> Also try qemu-kvm with -no-kvm-irqchip. I can't believe an in-kernel
>>>> lapic would make this much of a difference with windows 7 but it's worth
>>>> trying.
>>> 
>>> Didn't try win7, but for winxp it is a *huge* difference.
>>> 
>> On which HW?
> 
> Intel without ept.  It's a Lenovo T500.
> 
>> My guess is this is because of tpr patching.
> 
> Most like, yes.

Isn't that only required on SVM?


Alex