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Date:   Mon, 13 Jun 2022 09:52:00 -0700
From:   Kees Cook <>
To:     Ard Biesheuvel <>
Cc:,, Marc Zyngier <>,
        Will Deacon <>,
        Mark Rutland <>,
        Catalin Marinas <>,
        Mark Brown <>,
        Anshuman Khandual <>
Subject: Re: [PATCH v4 26/26] arm64: kernel: move ID map out of .text mapping

On Mon, Jun 13, 2022 at 04:45:50PM +0200, Ard Biesheuvel wrote:
> Reorganize the ID map slightly so that only code that is executed via
> the 1:1 mapping remains. This allows to move the ID map out of the .text
> segment, given that it no longer needs exec permissions via the kernel
> mapping.
> Signed-off-by: Ard Biesheuvel <>

This could be done earlier in the series, yes?


Reviewed-by: Kees Cook <>

Kees Cook

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