Re: [PATCH v2 1/3] KVM: x86: add support for user wait instructions

Tao Xu
2019-05-29T03:12:21Z

On 5/29/2019 10:38 AM, Paolo Bonzini wrote:
> On 29/05/19 04:05, Tao Xu wrote:
>>>
>>
>> Thank you Paolo, but I have another question. I was wondering if it is
>> appropriate to enable X86_FEATURE_WAITPKG when QEMU uses "-overcommit
>> cpu-pm=on"?
>
> "-overcommit" only establishes the behavior of KVM, it doesn't change
> the cpuid bits. So you'd need "-cpu" as well.
>
> Paolo
>
OK I got it. Thank you for your review.