On 06/27/2016 02:29 PM, David Laight wrote:
> From: Arnd Bergmann
>> Sent: 24 June 2016 20:43
>> On Friday, June 24, 2016 9:31:35 PM CEST Shreyas B Prabhu wrote:
If those functions are called less often than cpuidle_enter_state(),
we could just move the division there. Since the
From: Arnd Bergmann
> Sent: 24 June 2016 20:43
> On Friday, June 24, 2016 9:31:35 PM CEST Shreyas B Prabhu wrote:
> > > If those functions are called less often than cpuidle_enter_state(),
> > > we could just move the division there. Since the divisor is constant,
> > > do_div() can convert it
On Friday, June 24, 2016 9:31:35 PM CEST Shreyas B Prabhu wrote:
> > If those functions are called less often than cpuidle_enter_state(),
> > we could just move the division there. Since the divisor is constant,
> > do_div() can convert it into a multiply and shift, or we could use
> > your the
On 06/24/2016 03:41 PM, Arnd Bergmann wrote:
> On Friday, June 24, 2016 9:00:48 AM CEST David Laight wrote:
>> The intent of the >> 10 was probably to avoid an expensive 64bit divide.
>> So maybe something like:
>> diff = time_end - time_start;
>> if (diff >= INT_MAX/2)
>>
Hi,
[auto build test ERROR on pm/linux-next]
[also build test ERROR on v4.7-rc4 next-20160623]
[if your patch is applied to the wrong git tree, please drop us a note to help
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Hi,
[auto build test ERROR on pm/linux-next]
[also build test ERROR on v4.7-rc4 next-20160624]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
On Friday, June 24, 2016 9:00:48 AM CEST David Laight wrote:
> The intent of the >> 10 was probably to avoid an expensive 64bit divide.
> So maybe something like:
> diff = time_end - time_start;
> if (diff >= INT_MAX/2)
> diff_32 = INT_MAX/2/1000;
> else
>
On 06/24/2016 11:00 AM, David Laight wrote:
From: Shreyas B. Prabhu
Sent: 24 June 2016 09:24
Snooze is a poll idle state in powernv and pseries platforms. Snooze
has a timeout so that if a cpu stays in snooze for more than target
residency of the next available idle state, then it would exit
Hi,
[auto build test ERROR on pm/linux-next]
[also build test ERROR on v4.7-rc4 next-20160624]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
From: Shreyas B. Prabhu
> Sent: 24 June 2016 09:24
>
> Snooze is a poll idle state in powernv and pseries platforms. Snooze
> has a timeout so that if a cpu stays in snooze for more than target
> residency of the next available idle state, then it would exit thereby
> giving chance to the cpuidle
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