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Message-ID: <20200512230954.GB2654@bogus>
Date:   Tue, 12 May 2020 18:09:54 -0500
From:   Rob Herring <robh@...nel.org>
To:     Prakhar Srivastava <prsriva@...ux.microsoft.com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, devicetree@...r.kernel.org,
        linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org, catalin.marinas@....com,
        will@...nel.org, mpe@...erman.id.au, benh@...nel.crashing.org,
        paulus@...ba.org, frowand.list@...il.com, zohar@...ux.ibm.com,
        dmitry.kasatkin@...il.com, jmorris@...ei.org, serge@...lyn.com,
        pasha.tatashin@...een.com, allison@...utok.net,
        kstewart@...uxfoundation.org, takahiro.akashi@...aro.org,
        tglx@...utronix.de, vincenzo.frascino@....com,
        mark.rutland@....com, masahiroy@...nel.org, james.morse@....com,
        bhsharma@...hat.com, mbrugger@...e.com, hsinyi@...omium.org,
        tao.li@...o.com, christophe.leroy@....fr,
        gregkh@...uxfoundation.org, nramas@...ux.microsoft.com,
        tusharsu@...ux.microsoft.com, balajib@...ux.microsoft.com
Subject: Re: [RFC][PATCH 1/2] Add a layer of abstraction to use the memory
 reserved by device tree for ima buffer pass.

On Mon, May 04, 2020 at 01:38:28PM -0700, Prakhar Srivastava wrote:
> Introduce a device tree layer for to read and store ima buffer
> from the reserved memory section of a device tree.

But why do I need 'a layer of abstraction'? I don't like them.

> Signed-off-by: Prakhar Srivastava <prsriva@...ux.microsoft.com>
> ---
>  drivers/of/Kconfig  |   6 ++
>  drivers/of/Makefile |   1 +
>  drivers/of/of_ima.c | 165 ++++++++++++++++++++++++++++++++++++++++++++

Who are the users of this code and why does it need to be here? Most 
code for specific bindings are not in drivers/of/ but with the user. It 
doesn't sound like there's more than 1 user.

>  include/linux/of.h  |  34 +++++++++
>  4 files changed, 206 insertions(+)
>  create mode 100644 drivers/of/of_ima.c

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