[PATCH v2] arm64/kernel: Always use level 2 or higher for early mappings

[Catalin Marinas]

On Tue, 11 Mar 2025 08:30:44 +0100, Ard Biesheuvel wrote:
> The page table population code in map_range() uses a recursive algorithm
> to create the early mappings of the kernel, the DTB and the ID mapped
> text and data pages, and this fails to take into account that the way
> these page tables may be constructed is not precisely the same at each
> level. In particular, block mappings are not permitted at each level,
> and the code as it exists today might inadvertently create such a
> forbidden block mapping if it were used to map a region of the
> appropriate size and alignment.
> 
> [...]

Applied to arm64 (for-next/pgtable-cleanups), thanks!

[1/1] arm64/kernel: Always use level 2 or higher for early mappings
      https://git.kernel.org/arm64/c/bf25266f8382

-- 
Catalin