Re: [PATCH] arm64/mm: Drop INIT_MM_CONTEXT()

[Gavin Shan]

On 12/2/24 2:35 PM, Anshuman Khandual wrote:
> Platform override for INIT_MM_CONTEXT() is redundant because swapper_pg_dir
> always gets assigned as the pgd during init_mm initialization. So just drop
> this override on arm64.
>
> Originally this override was added via the 'commit 2b5548b68199 ("arm64/mm:
> Separate boot-time page tables from swapper_pg_dir")' because non standard
> init_pg_dir was assigned as the pgd. Subsequently it was changed as default
> swapper_pg_dir by the 'commit ba5b0333a847 ("arm64: mm: omit redundant
> remap of kernel image")', which might have also just dropped this override.
>
> Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
> Cc: Will Deacon <will@xxxxxxxxxx>
> Cc: Ard Biesheuvel <ardb@xxxxxxxxxx>
> Cc: Ryan Roberts <ryan.roberts@xxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
> ---
> This patch applies on v6.13-rc1
>
>   arch/arm64/include/asm/mmu.h | 3 ---
>   1 file changed, 3 deletions(-)

Reviewed-by: Gavin Shan <gshan@xxxxxxxxxx>