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[PATCH v3 0/6] x86/HVM: load state checking


  • To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Tue, 28 Nov 2023 11:32:01 +0100
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  • Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
  • Delivery-date: Tue, 28 Nov 2023 10:32:12 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

With the request to convert bounding to actual refusal, and then
doing so in new hooks, the two previously separate patches now
need to be in a series, with infrastructure work done first.
Clearly the checking in other load handlers could (and likely
wants to be) moved to separate check handlers as well, down the
road.

1: HVM: introduce hvm_point_entry()
2: HVM: split restore state checking from state loading
3: HVM: adjust save/restore hook registration for optional check handler
4: vPIT: check values loaded from state save record
5: vPIC: vpic_elcr_mask() master bit 2 control
6: vPIC: check values loaded from state save record

Jan



 


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