Hi Igor and Sean,
On 1/20/23 10:35 AM, Sean Christopherson wrote:
> On Fri, Jan 20, 2023, Igor Mammedov wrote:
>> On Fri, 20 Jan 2023 05:55:11 -0800
>> "Srivatsa S. Bhat" wrote:
>>
>>> Hi Igor and Thomas,
>>>
>>> Thank you for your review!
>>>
>>> On 1/19/23 1:12 PM, Thomas Gleixner wrote:
On Fri, Jan 20, 2023, Igor Mammedov wrote:
> On Fri, 20 Jan 2023 05:55:11 -0800
> "Srivatsa S. Bhat" wrote:
>
> > Hi Igor and Thomas,
> >
> > Thank you for your review!
> >
> > On 1/19/23 1:12 PM, Thomas Gleixner wrote:
> > > On Mon, Jan 16 2023 at 15:55, Igor Mammedov wrote:
> > >>
On Fri, 20 Jan 2023 05:55:11 -0800
"Srivatsa S. Bhat" wrote:
> Hi Igor and Thomas,
>
> Thank you for your review!
>
> On 1/19/23 1:12 PM, Thomas Gleixner wrote:
> > On Mon, Jan 16 2023 at 15:55, Igor Mammedov wrote:
> >> "Srivatsa S. Bhat" wrote:
> >>> Fix this by preventing the use of
Hi Igor and Thomas,
Thank you for your review!
On 1/19/23 1:12 PM, Thomas Gleixner wrote:
> On Mon, Jan 16 2023 at 15:55, Igor Mammedov wrote:
>> "Srivatsa S. Bhat" wrote:
>>> Fix this by preventing the use of mwait idle state in the vCPU offline
>>> play_dead() path for any hypervisor, even
On Mon, Jan 16 2023 at 15:55, Igor Mammedov wrote:
> "Srivatsa S. Bhat" wrote:
>> Fix this by preventing the use of mwait idle state in the vCPU offline
>> play_dead() path for any hypervisor, even if mwait support is
>> available.
>
> if mwait is enabled, it's very likely guest to have cpuidle
>
On Sun, 15 Jan 2023 22:01:34 -0800
"Srivatsa S. Bhat" wrote:
> From: "Srivatsa S. Bhat (VMware)"
>
> Under hypervisors that support mwait passthrough, a vCPU in mwait
> CPU-idle state remains in guest context (instead of yielding to the
> hypervisor via VMEXIT), which helps speed up wakeups
On 16.01.23 07:01, Srivatsa S. Bhat wrote:
From: "Srivatsa S. Bhat (VMware)"
Under hypervisors that support mwait passthrough, a vCPU in mwait
CPU-idle state remains in guest context (instead of yielding to the
hypervisor via VMEXIT), which helps speed up wakeups from idle.
However, this runs
From: "Srivatsa S. Bhat (VMware)"
Under hypervisors that support mwait passthrough, a vCPU in mwait
CPU-idle state remains in guest context (instead of yielding to the
hypervisor via VMEXIT), which helps speed up wakeups from idle.
However, this runs into problems with CPU hotplug, because the
