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

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