On Wed, 25 Jan 2023 19:59:10 +0100, Ard Biesheuvel wrote:
> Ensure that the endianness used for populating the ID map matches the
> endianness that the running kernel will be using, as this is no longer
> guaranteed now that create_idmap() is invoked before init_kernel_el().
>
> Note that doing so is only safe if the MMU is off, as switching the
> endianness with the MMU on results in the active ID map to become
> invalid. So also clear the C and M bits when toggling the EE bit in
> SCTLR, and mark the MMU as disabled at boot.
>
> [...]
Applied to arm64 (for-next/efi-boot-mmu-on), thanks!
[1/1] arm64: head: Switch endianness before populating the ID map
https://git.kernel.org/arm64/c/2ced0f30a426
--
Catalin
