linux-kernel - Re: [PATCH V3 02/10] dt-bindings: remoteproc: qcom,msm8996-mss-pil: Update memory region

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Message-ID: <c548f9c8-81ac-5d34-c169-420c45c987e2@linaro.org>
Date:   Thu, 12 Jan 2023 10:18:05 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Sibi Sankar <quic_sibis@...cinc.com>, andersson@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, manivannan.sadhasivam@...aro.org
Cc:     agross@...nel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        robh+dt@...nel.org, konrad.dybcio@...ainline.org,
        amit.pundir@...aro.org, regressions@...mhuis.info,
        sumit.semwal@...aro.org, will@...nel.org, catalin.marinas@....com,
        robin.murphy@....com
Subject: Re: [PATCH V3 02/10] dt-bindings: remoteproc: qcom,msm8996-mss-pil:
 Update memory region

On 11/01/2023 12:43, Sibi Sankar wrote:
> The dynamic memory region used for metadata authentication would still
> be a part of the kernel mapping and any access to this region by the
> application processor after assigning it to the remote Q6 will result
> in a XPU violation. This is fixed by using a no-map carveout instead.
> Update the bindings to reflect the addition of the new modem metadata
> carveout on MSM8996 (and similar) SoCs.
> 
> Signed-off-by: Sibi Sankar <quic_sibis@...cinc.com>


Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof