Re: [PATCH v3 7/9] powerpc/powernv: Add platform support for stop instruction

2016-05-24 Thread Shreyas B Prabhu
On 05/24/2016 02:17 PM, Madhavan Srinivasan wrote: > > > On Monday 23 May 2016 08:48 PM, Shreyas B. Prabhu wrote: >> POWER ISA v3 defines a new idle processor core mechanism. In summary, >> a) new instruction named stop is added. This instruction replaces >> instructions like nap, sleep,

Re: [PATCH v3 7/9] powerpc/powernv: Add platform support for stop instruction

2016-05-24 Thread Shreyas B Prabhu
On 05/24/2016 03:54 PM, Gautham R Shenoy wrote: > Hi Shreyas, > > On Mon, May 23, 2016 at 08:48:40PM +0530, Shreyas B. Prabhu wrote: >> @@ -412,7 +517,8 @@ subcore_state_restored: >> first_thread_in_core: >> >> /* >> - * First thread in the core waking up from fastsleep. It needs to >>

Re: [PATCH v3 7/9] powerpc/powernv: Add platform support for stop instruction

2016-05-24 Thread Gautham R Shenoy
Hi Shreyas, On Mon, May 23, 2016 at 08:48:40PM +0530, Shreyas B. Prabhu wrote: > @@ -412,7 +517,8 @@ subcore_state_restored: > first_thread_in_core: > > /* > - * First thread in the core waking up from fastsleep. It needs to > + * First thread in the core waking up from any state

Re: [PATCH v3 7/9] powerpc/powernv: Add platform support for stop instruction

2016-05-24 Thread Madhavan Srinivasan
On Monday 23 May 2016 08:48 PM, Shreyas B. Prabhu wrote: > POWER ISA v3 defines a new idle processor core mechanism. In summary, > a) new instruction named stop is added. This instruction replaces > instructions like nap, sleep, rvwinkle. > b) new per thread SPR named PSSCR is added which