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SubjectRe: 答复: [PATCH] Delete some unusefull operations for centaur CPU/platform
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On Monday, March 12, 2018 9:40:33 AM CET Ingo Molnar wrote:
>
> * David Wang <DavidWang@zhaoxin.com> 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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