From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Sibi Sankar <quic_sibis@quicinc.com>,
andersson@kernel.org, krzysztof.kozlowski+dt@linaro.org,
robh+dt@kernel.org, manivannan.sadhasivam@linaro.org,
robin.murphy@arm.com
Cc: agross@kernel.org, linux-arm-msm@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
konrad.dybcio@somainline.org, amit.pundir@linaro.org,
regressions@leemhuis.info, sumit.semwal@linaro.org,
will@kernel.org, catalin.marinas@arm.com
Subject: Re: [PATCH V2 02/11] dt-bindings: remoteproc: qcom,msm8996-mss-pil: Update memory region
Date: Tue, 10 Jan 2023 10:35:13 +0100 [thread overview]
Message-ID: <92955e76-807f-3a8f-8cbd-3fafdd8f2054@linaro.org> (raw)
In-Reply-To: <20230109034843.23759-3-quic_sibis@quicinc.com>
On 09/01/2023 04:48, 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
Just one space before "by"
> 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>
> ---
> .../bindings/remoteproc/qcom,msm8996-mss-pil.yaml | 14 +++++++++++++-
> 1 file changed, 13 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml
> index d3d3fb2fe91d..ad1a51c23949 100644
> --- a/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml
> +++ b/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml
> @@ -123,6 +123,7 @@ properties:
> items:
> - description: MBA reserved region
> - description: Modem reserved region
> + - description: Metadata reserved region
>
> firmware-name:
> $ref: /schemas/types.yaml#/definitions/string-array
> @@ -165,6 +166,16 @@ properties:
> - memory-region
> deprecated: true
>
> + metadata:
> + type: object
addutionalProperties: false
> + description:
> + Metadata reserved region
Blank line
> + properties:
> + memory-region: true
Blank line
> + required:
> + - memory-region
> + deprecated: true
Best regards,
Krzysztof
next prev parent reply other threads:[~2023-01-10 9:35 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-09 3:48 [PATCH V2 00/11] Fix XPU violation during modem metadata authentication Sibi Sankar
2023-01-09 3:48 ` [PATCH V2 01/11] dt-bindings: remoteproc: qcom,q6v5: Move MSM8996 to schema Sibi Sankar
2023-01-10 9:33 ` Krzysztof Kozlowski
2023-01-09 3:48 ` [PATCH V2 02/11] dt-bindings: remoteproc: qcom,msm8996-mss-pil: Update memory region Sibi Sankar
2023-01-10 9:35 ` Krzysztof Kozlowski [this message]
2023-01-09 3:48 ` [PATCH V2 03/11] dt-bindings: remoteproc: qcom,sc7180-mss-pil: Update memory-region Sibi Sankar
2023-01-09 14:30 ` Rob Herring
2023-01-10 9:36 ` Krzysztof Kozlowski
2023-01-09 3:48 ` [PATCH V2 04/11] dt-bindings: remoteproc: qcom,sc7280-mss-pil: " Sibi Sankar
2023-01-10 9:36 ` Krzysztof Kozlowski
2023-01-09 3:48 ` [PATCH V2 05/11] remoteproc: qcom_q6v5_mss: revert "map/unmap metadata region before/after use" Sibi Sankar
2023-01-09 8:18 ` Manivannan Sadhasivam
2023-01-09 10:00 ` Sibi Sankar
2023-01-11 11:24 ` Manivannan Sadhasivam
2023-01-09 3:48 ` [PATCH V2 06/11] remoteproc: qcom_q6v5_mss: Use a carveout to authenticate modem headers Sibi Sankar
2023-01-09 8:32 ` Manivannan Sadhasivam
2023-01-09 10:05 ` Sibi Sankar
2023-01-11 11:23 ` Manivannan Sadhasivam
2023-01-09 3:48 ` [PATCH V2 07/11] arm64: dts: qcom: msm8996: Add a carveout for modem metadata Sibi Sankar
2023-01-09 3:48 ` [PATCH V2 08/11] arm64: dts: qcom: msm8998: " Sibi Sankar
2023-01-09 3:48 ` [PATCH V2 09/11] arm64: dts: qcom: sdm845: " Sibi Sankar
2023-01-09 3:48 ` [PATCH V2 10/11] arm64: dts: qcom: sc7180: " Sibi Sankar
2023-01-09 3:48 ` [PATCH V2 11/11] arm64: dts: qcom: sc7280: " Sibi Sankar
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