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  1. RHEL
  2. RHEL-23052

[EDK2] add support for 5-level paging to OVMF [rhel-9]

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    • rhel-9.6
    • None
    • edk2
    • None
    • edk2-20241117-1.el9
    • None
    • OtherQA
    • rhel-virt-confidential-firmware
    • ssg_virtualization
    • 2
    • False
    • False
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    • Yes
    • Red Hat Enterprise Linux
    • None
    • Feature
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      Feature, enhancement:
      Reason:
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      Feature, enhancement: Reason: Result:
    • Proposed
    • None

      Goal

      • Needed to allow OVMF support larger address space.

      Virtual memory as concept does not exist in EFI, so the firmware runs with an identity mapping. So managing a large physical address space (>47 phys-bits) depends on a large virtual address space.

        1. 5_level_paging.png
          5_level_paging.png
          30 kB
        2. edk2.log
          2.90 MB
        3. edk2.log_la57-off
          1.50 MB
        4. win11_installation.sh
          6 kB

              rhn-engineering-ghoffman Gerd Hoffmann
              rhn-engineering-ghoffman Gerd Hoffmann
              virt-maint virt-maint
              Xueqiang Wei Xueqiang Wei
              Jiří Herrmann Jiří Herrmann
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                Created:
                Updated:
                Resolved: