[Skiboot] [PATCH 0/5] POWER9 idle pm support

Stewart Smith stewart at linux.vnet.ibm.com
Thu Sep 28 19:56:16 AEST 2017

Nicholas Piggin <npiggin at gmail.com> writes:
> These patches implement initial idle power management support for
> POWER9. Immediate benefit should be slightly faster execution of
> boot code due to SMT switching, and a bit lower power use for other
> cores during boot.

On Boston, we now seem to be spending a total of about 9-10 seconds in
skiboot. Wow. Literally half the time of on p8 Openpower systems.

Merged to master as of cca6c3408711a8971dfc8c3331d381741012775f

(seems to have survived my tests as well as anything else has)

Stewart Smith
OPAL Architect, IBM.

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