Re: [PATCH] cpuidle: arm_big_little: pass target residency to mcpm

2013-05-22 Thread Sebastian Capella
Quoting Dave Martin (2013-05-22 11:22:36) > Currently not. This partly depends on whether the target residency is > supposed to be a hint about the rough order of magnitude of the expected > idle period, or whether it's supposed to be a strict contract. > > In effect, I think it's a hint which st

Re: [PATCH] cpuidle: arm_big_little: pass target residency to mcpm

2013-05-22 Thread Dave Martin
On Tue, May 21, 2013 at 02:08:29PM -0700, Sebastian Capella wrote: > Thanks Liviu! > > Some comments below.. > > Quoting Liviu Dudau (2013-05-21 10:15:42) > > ... Which side of the interface are you actually thinking of? > > Both, I'm really just trying to understand the problem. > > > I don't

Re: [PATCH] cpuidle: arm_big_little: pass target residency to mcpm

2013-05-22 Thread Liviu Dudau
On Tue, May 21, 2013 at 10:08:29PM +0100, Sebastian Capella wrote: > Thanks Liviu! > > Some comments below.. > > Quoting Liviu Dudau (2013-05-21 10:15:42) > > ... Which side of the interface are you actually thinking of? > > Both, I'm really just trying to understand the problem. > > > I don't

Re: [PATCH V2 Resend 4/4] timer: Migrate running timer

2013-05-22 Thread Viresh Kumar
On 22 May 2013 14:36, Peter Zijlstra wrote: > On Wed, May 22, 2013 at 02:04:16PM +0530, Viresh Kumar wrote: > >> So, this is the clean draft for the idea I had.. (Naming is poor for >> now): >> >> diff --git a/include/linux/timer.h b/include/linux/timer.h >> index 8c5a197..ad00ebe 100644 >> --- a/

Re: [PATCH V2 Resend 4/4] timer: Migrate running timer

2013-05-22 Thread Peter Zijlstra
On Wed, May 22, 2013 at 02:04:16PM +0530, Viresh Kumar wrote: > So, this is the clean draft for the idea I had.. (Naming is poor for > now): > > diff --git a/include/linux/timer.h b/include/linux/timer.h > index 8c5a197..ad00ebe 100644 > --- a/include/linux/timer.h > +++ b/include/linux/timer.h >

Re: [PATCH V2 Resend 4/4] timer: Migrate running timer

2013-05-22 Thread Viresh Kumar
Sorry for being late in replying to your queries. On 13 May 2013 16:05, Thomas Gleixner wrote: > Which mechanism is migrating the timer away? It will be the same: get_nohz_timer_target() which will decide target cpu for migration. > I have no objections to the functionality per se, but the prop