linux-kernel - Re: [PATCH] arm64: dts: qcom: Move rmtfs memory region

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Date:   Thu, 08 Apr 2021 10:47:23 +0530
From:   Sibi Sankar <sibis@...eaurora.org>
To:     Sujit Kautkar <sujitka@...omium.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Rajendra Nayak <rnayak@...eaurora.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Doug Anderson <dianders@...omium.org>
Subject: Re: [PATCH] arm64: dts: qcom: Move rmtfs memory region

Hey Sujit,
Thanks for the patch.

On 2021-03-30 07:16, Sujit Kautkar wrote:
> Move rmtfs memory region so that it does not overlap with system
> RAM (kernel data) when KAsan is enabled. This puts rmtfs right
> after mba_mem which is not supposed to increase beyond 0x94600000
> 
> Signed-off-by: Sujit Kautkar <sujitka@...omium.org>
> ---
>  arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 2 +-
>  arch/arm64/boot/dts/qcom/sc7180.dtsi         | 4 ++--
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
> b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
> index 07c8b2c926c0..fe052b477b72 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
> @@ -45,7 +45,7 @@ trips {
> 
>  /* Increase the size from 2MB to 8MB */
>  &rmtfs_mem {
> -	reg = <0x0 0x84400000 0x0 0x800000>;
> +	reg = <0x0 0x94600000 0x0 0x800000>;

Sorry for the late comments. Can you
please do the same for sc7180-idp
as well?

Reviewed-by: Sibi Sankar <sibis@...eaurora.org>

>  };
> 
>  / {
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index 1ea3344ab62c..ac956488908f 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -110,9 +110,9 @@ tz_mem: memory@...00000 {
>  			no-map;
>  		};
> 
> -		rmtfs_mem: memory@...00000 {
> +		rmtfs_mem: memory@...00000 {
>  			compatible = "qcom,rmtfs-mem";
> -			reg = <0x0 0x84400000 0x0 0x200000>;
> +			reg = <0x0 0x94600000 0x0 0x200000>;
>  			no-map;
> 
>  			qcom,client-id = <1>;

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