On 22 April 2014 16:54, Rafael J. Wysocki <r...@rjwysocki.net> wrote:
> On Tuesday, April 22, 2014 03:24:21 PM Chander Kashyap wrote:
>> +cc
>> linux...@vger.kernel.org.
>
> And can you please resend the patch? So that it shows up in Patchwork,
> for example?
>
Yes i will resend it again.
>
>> On 22 April 2014 15:33, Rafael J. Wysocki <r...@rjwysocki.net> wrote:
>> > On Tuesday, April 22, 2014 08:27:53 AM Chander Kashyap wrote:
>> >> ping
>> >
>> > Please CC cpuidle patches to linux...@vger.kernel.org.
>>
>> +cc to linux...@vger.kernel.org.
>> Thanks Rafael
>>
>> >
>> > Thanks!
>> >
>> >> On 10 April 2014 19:57, Tuukka Tikkanen <tuukka.tikka...@linaro.org>
>> >> wrote:
>> >> > On 10 April 2014 16:43, Chander Kashyap <chander.kash...@linaro.org>
>> >> > wrote:
>> >> >> In menu_select function we check for correction factor every time.
>> >> >> If it is zero we are initializing to unity. Hence move it to init
>> >> >> function
>> >> >> and initialise by unity, hence avoid repeated comparisons.
>> >> >>
>> >> >> Signed-off-by: Chander Kashyap <chander.kash...@linaro.org>
>> >> >> ---
>> >> >> drivers/cpuidle/governors/menu.c | 15 ++++++++-------
>> >> >> 1 file changed, 8 insertions(+), 7 deletions(-)
>> >> >>
>> >> >> diff --git a/drivers/cpuidle/governors/menu.c
>> >> >> b/drivers/cpuidle/governors/menu.c
>> >> >> index cf7f2f0..048f6d9 100644
>> >> >> --- a/drivers/cpuidle/governors/menu.c
>> >> >> +++ b/drivers/cpuidle/governors/menu.c
>> >> >> @@ -315,13 +315,6 @@ static int menu_select(struct cpuidle_driver
>> >> >> *drv, struct cpuidle_device *dev)
>> >> >> multiplier = performance_multiplier();
>> >> >>
>> >> >> /*
>> >> >> - * if the correction factor is 0 (eg first time init or cpu
>> >> >> hotplug
>> >> >> - * etc), we actually want to start out with a unity factor.
>> >> >> - */
>> >> >> - if (data->correction_factor[data->bucket] == 0)
>> >> >> - data->correction_factor[data->bucket] = RESOLUTION *
>> >> >> DECAY;
>> >> >> -
>> >> >> - /*
>> >> >> * Force the result of multiplication to be 64 bits even if
>> >> >> both
>> >> >> * operands are 32 bits.
>> >> >> * Make sure to round up for half microseconds.
>> >> >> @@ -453,9 +446,17 @@ static int menu_enable_device(struct
>> >> >> cpuidle_driver *drv,
>> >> >> struct cpuidle_device *dev)
>> >> >> {
>> >> >> struct menu_device *data = &per_cpu(menu_devices, dev->cpu);
>> >> >> + int i;
>> >> >>
>> >> >> memset(data, 0, sizeof(struct menu_device));
>> >> >>
>> >> >> + /*
>> >> >> + * if the correction factor is 0 (eg first time init or cpu
>> >> >> hotplug
>> >> >> + * etc), we actually want to start out with a unity factor.
>> >> >> + */
>> >> >> + for(i = 0; i < BUCKETS; i++)
>> >> >> + data->correction_factor[i] = RESOLUTION * DECAY;
>> >> >> +
>> >> >> return 0;
>> >> >> }
>> >> >>
>> >> >> --
>> >> >> 1.7.9.5
>> >> >>
>> >> >
>> >> > Reviewed-by: Tuukka Tikkanen <tuukka.tikka...@linaro.org>
>> >>
>> >>
>> >>
>> >>
>> >
>> > --
>> > I speak only for myself.
>> > Rafael J. Wysocki, Intel Open Source Technology Center.
>>
>>
>>
>>
>
> --
> I speak only for myself.
> Rafael J. Wysocki, Intel Open Source Technology Center.
--
with warm regards,
Chander Kashyap
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