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Re: [PATCH 0/3] cpuidle: Rework the handling of the poll state

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  Re: [PATCH 0/3] cpuidle: Rework the handling of the poll state "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-08-28 23:30 +0200
    Re: [PATCH 0/3] cpuidle: Rework the handling of the poll state Daniel Lezcano <daniel.lezcano@linaro.org> - 2017-08-29 09:20 +0200

#1721978 — Re: [PATCH 0/3] cpuidle: Rework the handling of the poll state

On Thursday, August 24, 2017 11:48:19 AM CEST Sudeep Holla wrote:
> 
> On 23/08/17 22:18, Rafael J. Wysocki wrote:
> > Hi,
> > 
> > On x86 the fist idle state is a polling one, but the way it is set up is far
> > from straightforward and then it is avoided by governors in rather somewhat
> > convoluted fashion.
> > 
> > Make this more clear by explicitly flagging that state as "polling" and
> > checking its flag where it needs to be avoided instead of using
> > arch-dependent numbering of idle states (patch [1/3]), move the
> > polling state code from driver.c to a separate C file (patch [2/3]) and
> > move the initialization of it from the core to the relevant cpuidle drivers -
> > ACPI and intel_idle (patch [3/3]).
> > 
> 
> Tested this on ARM64 platform(both DT and ACPI/LPI) and everything
> continues to work fine.
> Tested-by: Sudeep Holla <sudeep.holla@arm.com>

Thanks Sudeep!

I haven't seen any more comments on this which I'm taking as a green light for
it, so I'm going to queue it up for 4.14.

Thanks,
Rafael

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#1722194

On 28/08/2017 23:17, Rafael J. Wysocki wrote:
> On Thursday, August 24, 2017 11:48:19 AM CEST Sudeep Holla wrote:
>>
>> On 23/08/17 22:18, Rafael J. Wysocki wrote:
>>> Hi,
>>>
>>> On x86 the fist idle state is a polling one, but the way it is set up is far
>>> from straightforward and then it is avoided by governors in rather somewhat
>>> convoluted fashion.
>>>
>>> Make this more clear by explicitly flagging that state as "polling" and
>>> checking its flag where it needs to be avoided instead of using
>>> arch-dependent numbering of idle states (patch [1/3]), move the
>>> polling state code from driver.c to a separate C file (patch [2/3]) and
>>> move the initialization of it from the core to the relevant cpuidle drivers -
>>> ACPI and intel_idle (patch [3/3]).
>>>
>>
>> Tested this on ARM64 platform(both DT and ACPI/LPI) and everything
>> continues to work fine.
>> Tested-by: Sudeep Holla <sudeep.holla@arm.com>
> 
> Thanks Sudeep!
> 
> I haven't seen any more comments on this which I'm taking as a green light for
> it, so I'm going to queue it up for 4.14.

Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>


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