Groups > linux.kernel > #1719072

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

From	Sudeep Holla <sudeep.holla@arm.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH 0/3] cpuidle: Rework the handling of the poll state
Date	2017-08-24 11:50 +0200
Message-ID	<uhWVX-4Hm-1@gated-at.bofh.it> (permalink)
References	<uhLxw-5QD-5@gated-at.bofh.it>
Organization	ARM

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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>

-- 
Regards,
Sudeep

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[PATCH 0/3] cpuidle: Rework the handling of the poll state "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-08-23 23:40 +0200
  [PATCH 2/3] cpuidle: Move polling state initialization code to separate file "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-08-23 23:40 +0200
  [PATCH 3/3] cpuidle: Make drivers initialize polling state "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-08-23 23:40 +0200
  Re: [PATCH 0/3] cpuidle: Rework the handling of the poll state Sudeep Holla <sudeep.holla@arm.com> - 2017-08-24 11:50 +0200

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