On Monday, March 12, 2018 9:40:33 AM CET Ingo Molnar wrote: > > * David Wang <[email protected]> wrote: > > > [David] pr->flags.has_cst means BIOS define valid C state table. And at > > lease > > define 2 entries. On all centaur platform which support C3, this condition > > is > > always true. > > > [David] Just as the following comment said, we need not execute WBINVD and > > ARB_DISABLE/ARB_ENABLE when entering C3 if bm_check=1 and bm_control=0. > > This > > logic is valid for all platform not only for Centaur, I think. > > Ok, fair enough!
Well, I still have this one queued up as cpuidle material. I can drop it if you want to take it instead. Thanks, Rafael

