Re: [PATCH v3] KVM: halt-polling: poll if emulated lapic timer will fire soon

From: Wanpeng Li
Date: Mon May 23 2016 - 22:25:46 EST


2016-05-24 10:19 GMT+08:00 Wanpeng Li <kernellwp@xxxxxxxxx>:
> 2016-05-24 2:01 GMT+08:00 David Matlack <dmatlack@xxxxxxxxxx>:
>> On Sun, May 22, 2016 at 5:42 PM, Wanpeng Li <kernellwp@xxxxxxxxx> wrote:
>>> From: Wanpeng Li <wanpeng.li@xxxxxxxxxxx>
>>
>> I'm ok with this patch, but I'd like to better understand the target
>> workloads. What type of workloads do you expect to benefit from this?
>
> dynticks guests I think is one of workloads which can get benefit,
> there are lots of upcoming fire timers captured by my feature. Even
> during TCP testing. And also the workload of Yang's.

Do you think I should add an module parameter to enable/disable it
during module insmod or current patch is fine?

Regards,
Wanpeng Li