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[PATCH v3 0/5] x86/mwait-idle: (remaining) SPR + (new) ADL support


  • To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Thu, 18 Aug 2022 15:02:35 +0200
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  • Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
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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

Jan



 


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