linux-kernel - Re: [PATCH] arm64/mm: Drop INIT_MM

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Message-Id: <173383034723.3807515.1598046188677105190.b4-ty@kernel.org>
Date: Tue, 10 Dec 2024 18:34:42 +0000
From: Will Deacon <will@...nel.org>
To: linux-arm-kernel@...ts.infradead.org,
	Anshuman Khandual <anshuman.khandual@....com>
Cc: catalin.marinas@....com,
	kernel-team@...roid.com,
	Will Deacon <will@...nel.org>,
	Ard Biesheuvel <ardb@...nel.org>,
	Ryan Roberts <ryan.roberts@....com>,
	Mark Rutland <mark.rutland@....com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64/mm: Drop INIT_MM_CONTEXT()

On Mon, 02 Dec 2024 10:05:53 +0530, 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.
> 
> [...]

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

[1/1] arm64/mm: Drop INIT_MM_CONTEXT()
      https://git.kernel.org/arm64/c/5f882f4aa8aa

Cheers,
-- 
Will

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