linux-hardening - Re: [PATCH v3 02/18] remoteproc: qcom: Move minidump specific data to qcom

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Date:   Thu, 4 May 2023 13:38:32 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Mukesh Ojha <quic_mojha@...cinc.com>, agross@...nel.org,
        andersson@...nel.org, konrad.dybcio@...aro.org, corbet@....net,
        keescook@...omium.org, tony.luck@...el.com, gpiccoli@...lia.com,
        catalin.marinas@....com, will@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, robh+dt@...nel.org,
        linus.walleij@...aro.org, linux-gpio@...r.kernel.org,
        srinivas.kandagatla@...aro.org
Cc:     linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org
Subject: Re: [PATCH v3 02/18] remoteproc: qcom: Move minidump specific data to
 qcom_minidump.h

On 03/05/2023 19:02, Mukesh Ojha wrote:
> Move minidump specific data types and macros to a separate internal
> header(qcom_minidump.h) so that it can be shared among different
> Qualcomm drivers.

No, this is not internal header. You moved it to global header.

There is no reason driver internals should be exposed to other unrelated
subsystems.

> 
> There is no change in functional behavior after this.

It is. You made all these internal symbols available to others.

> 

This comes without justification why other drivers needs to access
private and internal data. It does not look correct design. NAK.

Best regards,
Krzysztof