[Bug 1814982] [NEW] efi/arm/arm64: Allow SetVirtualAddressMap() to be omitted

[mahmoh]

Public bug reported:

[Impact]
The Ubuntu kernel is not currently bootable on various arm64 laptops (HP Envy x2, Asus NovaGo, Lenovo Miix 630, Lenovo Yoga C630, Samsung ...) because of EFI memory permissions/restrictions. The reason is explained in the commit supplied below. 

[Test Case]
Install and boot Ubuntu on one of the above arm64 laptops.

[Fix]
Committed upstream: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=4e46c2a956215482418d7b315749fb1b6c6bc224

[Regression Risk]
This commit adds support for an optional kernel command line parameter so there is minimal to no risk.

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

** Package changed: grub2 (Ubuntu) => linux (Ubuntu)

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to grub2 in Ubuntu.
https://bugs.launchpad.net/bugs/1814982

Title:
  efi/arm/arm64: Allow SetVirtualAddressMap() to be omitted

Status in linux package in Ubuntu:
  New

Bug description:
  [Impact]
  The Ubuntu kernel is not currently bootable on various arm64 laptops (HP Envy x2, Asus NovaGo, Lenovo Miix 630, Lenovo Yoga C630, Samsung ...) because of EFI memory permissions/restrictions. The reason is explained in the commit supplied below. 

  [Test Case]
  Install and boot Ubuntu on one of the above arm64 laptops.

  [Fix]
  Committed upstream: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=4e46c2a956215482418d7b315749fb1b6c6bc224

  [Regression Risk]
  This commit adds support for an optional kernel command line parameter so there is minimal to no risk.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1814982/+subscriptions