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[PATCH 0/3] x86: insn-fetch related emulation adjustments


  • To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Fri, 3 Dec 2021 12:18:57 +0100
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  • Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Paul Durrant <paul@xxxxxxx>
  • Delivery-date: Fri, 03 Dec 2021 11:19:31 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

Two fixes and some tidying.

1: HVM: permit CLFLUSH{,OPT} on execute-only code segments
2: HVM: fail virt-to-linear conversion for insn fetches from non-code segments
3: emul: drop "seg" parameter from insn_fetch() hook

Jan




 


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