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Message-ID: <c548f9c8-81ac-5d34-c169-420c45c987e2@linaro.org>
Date:   Thu, 12 Jan 2023 10:18:05 +0100
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Subject: Re: [PATCH V3 02/10] dt-bindings: remoteproc: qcom,msm8996-mss-pil:
 Update memory region
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To:     Sibi Sankar <quic_sibis@quicinc.com>, andersson@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, manivannan.sadhasivam@linaro.org
Cc:     agross@kernel.org, linux-arm-msm@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        robh+dt@kernel.org, konrad.dybcio@somainline.org,
        amit.pundir@linaro.org, regressions@leemhuis.info,
        sumit.semwal@linaro.org, will@kernel.org, catalin.marinas@arm.com,
        robin.murphy@arm.com
References: <20230111114337.24782-1-quic_sibis@quicinc.com>
 <20230111114337.24782-3-quic_sibis@quicinc.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <20230111114337.24782-3-quic_sibis@quicinc.com>
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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@quicinc.com>


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

Best regards,
Krzysztof