Public bug reported:

Description:

Extended Page Table Accessed and Dirty bits (EPT A/D bits)-This
technology improves performance during memory migration and creates
interesting opportunities for virtualized fault tolerance usages. You
probably already understand that guest OS expects contiguous physical
memory, and the host VMM must preserve this illusion. EPT maps guest
physical address to host address that allows guest OS to modify its own
page tables freely, minimizes VM exits and saves memory.

Target Kernel: TBD
Target Release: 17.10

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1685711

Title:
  [Feature] CNL:EPT A/D Bits

Status in firefox package in Ubuntu:
  New

Bug description:
  Description:

  Extended Page Table Accessed and Dirty bits (EPT A/D bits)-This
  technology improves performance during memory migration and creates
  interesting opportunities for virtualized fault tolerance usages. You
  probably already understand that guest OS expects contiguous physical
  memory, and the host VMM must preserve this illusion. EPT maps guest
  physical address to host address that allows guest OS to modify its
  own page tables freely, minimizes VM exits and saves memory.

  Target Kernel: TBD
  Target Release: 17.10

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