On 05/29/2014 06:09 PM, Mark Rutland wrote:
> Hi Preeti,
>
> On Thu, May 29, 2014 at 12:04:36PM +0100, Preeti U Murthy wrote:
>> Hi Lorenzo,
>>
>> On 05/29/2014 02:53 PM, Lorenzo Pieralisi wrote:
>>> On platforms implementing CPU power management, the CPUidle subsystem
>>> can allow CPUs to enter
On Thu, May 29, 2014 at 03:29:12PM +0100, Lorenzo Pieralisi wrote:
> On Thu, May 29, 2014 at 01:39:29PM +0100, Mark Rutland wrote:
>
> [...]
>
> > > > The side effect of having a CPU always-on has implications on power
> > > > management
> > > > platform capabilities and makes CPUidle suboptimal
On Thu, May 29, 2014 at 01:39:29PM +0100, Mark Rutland wrote:
[...]
> > > The side effect of having a CPU always-on has implications on power
> > > management
> > > platform capabilities and makes CPUidle suboptimal, since at least a CPU
> > > is
> > > kept always in a shallow idle state by the
Hi Preeti,
On Thu, May 29, 2014 at 12:04:36PM +0100, Preeti U Murthy wrote:
> Hi Lorenzo,
>
> On 05/29/2014 02:53 PM, Lorenzo Pieralisi wrote:
> > On platforms implementing CPU power management, the CPUidle subsystem
> > can allow CPUs to enter idle states where local timers logic is lost on
> >
Hi Preeti,
On Thu, May 29, 2014 at 12:04:36PM +0100, Preeti U Murthy wrote:
> Hi Lorenzo,
>
> On 05/29/2014 02:53 PM, Lorenzo Pieralisi wrote:
> > On platforms implementing CPU power management, the CPUidle subsystem
> > can allow CPUs to enter idle states where local timers logic is lost on
> >
Hi Lorenzo,
On 05/29/2014 02:53 PM, Lorenzo Pieralisi wrote:
> On platforms implementing CPU power management, the CPUidle subsystem
> can allow CPUs to enter idle states where local timers logic is lost on power
> down. To keep the software timers functional the kernel relies on an
> always-on br
On Thu, May 29, 2014 at 10:23:01AM +0100, Lorenzo Pieralisi wrote:
> On platforms implementing CPU power management, the CPUidle subsystem
> can allow CPUs to enter idle states where local timers logic is lost on power
> down. To keep the software timers functional the kernel relies on an
> always-
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