Verified - I was able to successfully crash dump a cosmic system.

** Tags removed: verification-needed-cosmic
** Tags added: verification-done-cosmic

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  Use memblock quirk instead of delayed allocation for GICv3 LPI tables

Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Cosmic:
  Fix Committed
Status in linux source package in Disco:
  Fix Committed

Bug description:
  The fix for LP: #1806766 has the issue that the persistent memory 
reservations for the GICv3 LPI tables may have been allocated an overwritten by 
the time we get to reserving them. This can continue to break kdump in certain 

  [Test Case]
  sudo apt install linux-crashdump
crashkernel=512M"' | \
    sudo tee /etc/default/grub.d/kdump-tools.cfg
  sudo update-grub
  sudo reboot
  echo 1 | sudo tee /proc/sys/kernel/sysrq
  echo c | sudo tee /proc/sysrq-trigger

  582a32e708823 efi/arm: Revert "Defer persistent reservations until after 
  8a5b403d71aff arm64, mm, efi: Account for GICv3 LPI tables in static memblock 
reserve table

  [Regression Risk]
  The change in reserved regions only impacts arm64.

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