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Re: [PATCH v3 0/5] x86/mwait-idle: (remaining) SPR + (new) ADL support
- To: Henry Wang <Henry.Wang@xxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 18 Aug 2022 15:09:00 +0200
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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>
- Delivery-date: Thu, 18 Aug 2022 13:09:11 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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.
Thanks, Jan
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