Re: [PATCH 0/6] cpuidle : per cpu latencies

[Daniel Lezcano <daniel.lezcano@linaro.org>]

On 09/07/2012 01:04 PM, Amit Kucheria wrote:
> On Fri, Sep 7, 2012 at 3:49 PM, Daniel Lezcano
> <daniel.lezcano@linaro.org> wrote:
>> Since commit 46bcfad7a819bd17ac4e831b04405152d59784ab,
>>         cpuidle: Single/Global registration of idle states
>>
>> we have a single registration for the cpuidle states which makes
>> sense. But now two new architectures are coming: tegra3 and big.LITTLE.
>>
>> These architectures have different cpus with different caracteristics
>> for power saving. High load => powerfull processors, idle => small processors.
>>
>> That implies different cpu latencies.
>>
>> This patchset keeps the current behavior as introduced by Deepthi without
>> breaking the drivers and add the possibility to specify a per cpu states.
>>
>>  * Tested on intel core 2 duo T9500
>>  * Tested on vexpress by Lorenzo Pieralsi
>>  * Tested on tegra3 by Peter De Schrijver
>>
>> Daniel Lezcano (6):
>>   acpi : move the acpi_idle_driver variable declaration
>>   acpi : move cpuidle_device field out of the acpi_processor_power
>>     structure
>>   acpi : remove pointless cpuidle device state_count init
>>   cpuidle : add a pointer for cpuidle_state in the cpuidle_device
>>   cpuidle : use per cpuidle device cpu states
>>   cpuidle : add cpuidle_register_states function
>>
>>  drivers/acpi/processor_driver.c    |    2 +-
>>  drivers/acpi/processor_idle.c      |   27 +++++++++++++++-------
>>  drivers/cpuidle/cpuidle.c          |   42 ++++++++++++++++++++++++++++-------
>>  drivers/cpuidle/governors/ladder.c |   22 +++++++++---------
>>  drivers/cpuidle/governors/menu.c   |    8 +++---
>>  drivers/cpuidle/sysfs.c            |    3 +-
>>  include/acpi/processor.h           |    3 --
>>  include/linux/cpuidle.h            |   11 ++++++--
>>  8 files changed, 76 insertions(+), 42 deletions(-)
> 
> Feel free to add my Reviewed-by for this series.


Thanks Amit for reviewing the patches.

  -- Daniel

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