Re: [PATCH v3 4/4] powernv: powerpc: Add winkle support for offline cpus

2014-12-08 Thread Shreyas B Prabhu
On Monday 08 December 2014 11:22 AM, Paul Mackerras wrote: > On Thu, Dec 04, 2014 at 12:58:23PM +0530, Shreyas B. Prabhu wrote: >> Winkle is a deep idle state supported in power8 chips. A core enters >> winkle when all the threads of the core enter winkle. In this state >> power supply to the ent

Re: [PATCH v3 4/4] powernv: powerpc: Add winkle support for offline cpus

2014-12-07 Thread Paul Mackerras
On Thu, Dec 04, 2014 at 12:58:23PM +0530, Shreyas B. Prabhu wrote: > Winkle is a deep idle state supported in power8 chips. A core enters > winkle when all the threads of the core enter winkle. In this state > power supply to the entire chiplet i.e core, private L2 and private L3 > is turned off. A

[PATCH v3 4/4] powernv: powerpc: Add winkle support for offline cpus

2014-12-03 Thread Shreyas B. Prabhu
Winkle is a deep idle state supported in power8 chips. A core enters winkle when all the threads of the core enter winkle. In this state power supply to the entire chiplet i.e core, private L2 and private L3 is turned off. As a result it gives higher powersavings compared to sleep. But entering wi