** Changed in: linux-intel (Ubuntu Noble)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/2071628
Title:
Fix QEMU/KVM support for EPT paging level 4/5
Status in linux-intel package in Ubuntu:
New
Status in linux-intel source package in Noble:
Fix Released
Bug description:
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 in specific
configuration.
* 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/170864656017.3080257.14048100709856204250.b4...@google.com/
https://lore.kernel.org/all/171754268137.2777430.1222935014468693201.b4...@google.com/
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