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RE: [PATCH v3 0/5] x86/mwait-idle: (remaining) SPR + (new) ADL support
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Henry Wang <Henry.Wang@xxxxxxx>
- Date: Fri, 19 Aug 2022 01:02:53 +0000
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
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- Thread-topic: [PATCH v3 0/5] x86/mwait-idle: (remaining) SPR + (new) ADL support
Hi Jan,
> -----Original Message-----
> From: Jan Beulich <jbeulich@xxxxxxxx>
> Subject: Re: [PATCH v3 0/5] x86/mwait-idle: (remaining) SPR + (new) ADL
> support
>
> Henry,
>
> On 18.08.2022 15:02, Jan Beulich wrote:
> > New changes have appeared in the meantime, in particular one partly
> undoing
> > what we still haven't merged (patch 1 here).
> >
> > 1: add 'preferred_cstates' module argument
> > 2: add core C6 optimization for SPR
> > 3: add AlderLake support
> > 4: disable IBRS during long idle
> > 5: make SPR C1 and C1E be independent
>
> strictly speaking patches 3-5 are late submissions. Patch 5, however,
> actually corrects patch 1, and I'd prefer to keep things in the order
> in which they were put in for Linux. Whether we actually want patch 4
> is to be determined; if not that one should be easy to leave out. In
> any event I'd like to ask for you to consider granting an exception
> on these last three patches.
Thank you for informing this.
Let me add this series to my list first. The feature freeze date is
Fri Sep 2, 2022 and code freeze date is Fri Sep 23, 2022. My personal
feeling would be as long as (1) this series can get a good shape to go in
before the code freeze and (2) other x86 maintainers don't have
objection to accept this series, it is fine with me. Also if x86 people want
this series in the release and it won't cause the delay of release, I don't
think there would be any reason to refuse this series :))) So I guess please
just keep these 3 patches for now and let's see what the discussion in
this series will be.
Kind regards,
Henry
>
> Thanks, Jan
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