[PATCH v2] arm64: mm: Defer read-only remap of data/bss linear alias

Will Deacon will at kernel.org
Wed Jun 24 08:35:11 PDT 2026


On Tue, 23 Jun 2026 22:28:18 +0200, Ard Biesheuvel wrote:
> Since commit
> 
>   f2ba877402e5 ("arm64: mm: Map the kernel data/bss read-only in the linear map")
> 
> the linear alias of the .data and .bss regions is remapped read-only
> early during the boot. (Note that a subsequent patch to unmap this
> region entirely was reverted just before the v7.2 merge window, and will
> be brought back in an improved form for the v7.3 cycle)
> 
> [...]

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

[1/1] arm64: mm: Defer read-only remap of data/bss linear alias
      https://git.kernel.org/arm64/c/36fa5ffa6034

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev



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