linux-kernel - Re: [PATCH V2] arm64/mm: Convert __pte_to_phys() and __phys_to_pte

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Message-Id: <174120317313.1423488.2871713663228556221.b4-ty@arm.com>
Date: Wed,  5 Mar 2025 19:32:56 +0000
From: Catalin Marinas <catalin.marinas@....com>
To: linux-arm-kernel@...ts.infradead.org,
	Anshuman Khandual <anshuman.khandual@....com>
Cc: Will Deacon <will@...nel.org>,
	mark.rutland@....com,
	ryan.roberts@....com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2] arm64/mm: Convert __pte_to_phys() and __phys_to_pte_val() as functions

On Thu, 27 Feb 2025 07:54:12 +0530, Anshuman Khandual wrote:
> When CONFIG_ARM64_PA_BITS_52 is enabled, page table helpers __pte_to_phys()
> and __phys_to_pte_val() are functions which return phys_addr_t and pteval_t
> respectively as expected. But otherwise without this config being enabled,
> they are defined as macros and their return types are implicit.
> 
> Until now this has worked out correctly as both pte_t and phys_addr_t data
> types have been 64 bits. But with the introduction of 128 bit page tables,
> pte_t becomes 128 bits. Hence this ends up with incorrect widths after the
> conversions, which leads to compiler warnings.
> 
> [...]

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

[1/1] arm64/mm: Convert __pte_to_phys() and __phys_to_pte_val() as functions
      https://git.kernel.org/arm64/c/2d7872f3ae3b

-- 
Catalin