Public bug reported:

This is a public version of:
- https://bugs.launchpad.net/bugs/2055747
- https://bugs.launchpad.net/bugs/2058092

[ Impact ]

 * Fix EPT paging level 4 using incorrectly memory range.
 * Expose support of EPT paging level 5 for compatible hardware (e.g. Sierra 
Forest)

[ Fix ]

Clean cherry pick for the fix and associated self-tests.

[ Test Plan ]

On compatible hardware
 * Verify level 5 flag
 * Execute self-tests

[ Where problems could occur ]

 * Regression in KVM features.

[ Other info ]

Context:
https://lore.kernel.org/all/[email protected]/
https://lore.kernel.org/all/[email protected]/

** Affects: linux-intel (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux-intel (Ubuntu Noble)
     Importance: Undecided
     Assignee: Thibf (thibf)
         Status: In Progress

** Also affects: linux-intel (Ubuntu Noble)
   Importance: Undecided
       Status: New

** Changed in: linux-intel (Ubuntu Noble)
       Status: New => In Progress

** Changed in: linux-intel (Ubuntu Noble)
     Assignee: (unassigned) => Thibf (thibf)

** Description changed:

  This is a public version of:
  - https://bugs.launchpad.net/bugs/2055747
  - https://bugs.launchpad.net/bugs/2058092
  
  [ Impact ]
  
-  * Fix EPT paging level 4 using incorrectly memory range.
-  * Expose support of EPT paging level 5 for compatible hardware (e.g. Sierra 
Forest)
+  * Fix EPT paging level 4 using incorrectly memory range.
+  * Expose support of EPT paging level 5 for compatible hardware (e.g. Sierra 
Forest)
  
  [ Fix ]
  
- Clean cherry pick from next for the fix and associated self-tests.
+ Clean cherry pick for the fix and associated self-tests.
  
  [ Test Plan ]
  
  On compatible hardware
-  * Verify level 5 flag
-  * Execute self-tests
+  * Verify level 5 flag
+  * Execute self-tests
  
  [ Where problems could occur ]
  
-  * Regression in KVM features.
- 
+  * Regression in KVM features.
  
  [ Other info ]
  
  Context:
  
https://lore.kernel.org/all/[email protected]/
  
https://lore.kernel.org/all/[email protected]/

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https://bugs.launchpad.net/bugs/2071628

Title:
  Fix QEMU/KVM support for EPT paging level 4/5

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