linux-kernel - Re: [PATCH] arm64/mm: Validate CONFIG_PGTABLE

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Message-Id: <162196527964.2314761.8443537851296185272.b4-ty@kernel.org>
Date:   Tue, 25 May 2021 19:58:43 +0100
From:   Will Deacon <will@...nel.org>
To:     Anshuman Khandual <anshuman.khandual@....com>,
        linux-arm-kernel@...ts.infradead.org
Cc:     catalin.marinas@....com, kernel-team@...roid.com,
        Will Deacon <will@...nel.org>, linux-kernel@...r.kernel.org,
        Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH] arm64/mm: Validate CONFIG_PGTABLE_LEVELS

On Mon, 10 May 2021 17:52:06 +0530, Anshuman Khandual wrote:
> CONFIG_PGTABLE_LEVELS has been statically defined in (arch/arm64/Kconfig)
> depending on the page size and requested virtual address range. In order to
> validate this page table levels selection this adds a BUILD_BUG_ON() as per
> the existing formula ARM64_HW_PGTABLE_LEVELS(). This would help protect any
> inadvertent changes to CONFIG_PGTABLE_LEVELS selection.

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

[1/1] arm64/mm: Validate CONFIG_PGTABLE_LEVELS
      https://git.kernel.org/arm64/c/7e04cc918954

Cheers,
-- 
Will

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