[Skiboot] [PATCH 0/5] Support for POWER ISA v3 idle states
stewart at linux.vnet.ibm.com
Thu Apr 28 17:31:18 AEST 2016
Michael Neuling <mikey at neuling.org> writes:
> On Thu, 2016-04-21 at 19:17 +0530, 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 controls the behavior
>> of stop instruction.
>> This patch series adds support for the new idle states and also has
>> some minor cleanups.
> Worth noting, these are based on an internal power9 tree and won't
> apply let alone compile against upstream skiboot.
I suspected as much.
Not merging - it can come later after P9 lands.
OPAL Architect, IBM.
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