[PATCH v2] arm64/cpufeature: annotate arm64_use_ng_mappings with ro_after_init to prevent wrong idmap generation

[Catalin Marinas]

On Fri, 02 May 2025 19:04:12 +0100, Yeoreum Yun wrote:
> create_init_idmap() could be called before .bss section initialization
> which is done in early_map_kernel().
> Therefore, data/test_prot could be set incorrectly by PTE_MAYBE_NG macro.
> 
> PTE_MAYBE_NG macro set NG bit according to value of "arm64_use_ng_mappings".
> and this variable places in .bss section.
> 
> [...]

Applied to arm64 (for-next/fixes), with some slight tweaking of the
comment, thanks!

[1/1] arm64/cpufeature: annotate arm64_use_ng_mappings with ro_after_init to prevent wrong idmap generation
      https://git.kernel.org/arm64/c/12657bcd1835

-- 
Catalin