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Message-ID: <eacc380a-aa33-5b1d-0a11-124b584cd1aa@linaro.org>
Date:   Thu, 6 Apr 2023 20:29:52 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Kees Cook <keescook@...omium.org>,
        Tony Luck <tony.luck@...el.com>,
        "Guilherme G. Piccoli" <gpiccoli@...lia.com>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH 1/4] arm64: dts: qcom: sm6115-j606f: Add ramoops node



On 6.04.2023 19:54, Dmitry Baryshkov wrote:
> On 06/04/2023 18:25, Konrad Dybcio wrote:
>> Add a ramoops node to enable retrieving crash logs.
>>
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
>> ---
>>   arch/arm64/boot/dts/qcom/sm6115p-lenovo-j606f.dts | 11 +++++++++++
>>   1 file changed, 11 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sm6115p-lenovo-j606f.dts b/arch/arm64/boot/dts/qcom/sm6115p-lenovo-j606f.dts
>> index 10c9d338446c..fd064899791c 100644
>> --- a/arch/arm64/boot/dts/qcom/sm6115p-lenovo-j606f.dts
>> +++ b/arch/arm64/boot/dts/qcom/sm6115p-lenovo-j606f.dts
>> @@ -52,6 +52,17 @@ key-volume-up {
>>               wakeup-source;
>>           };
>>       };
>> +
>> +    reserved-memory {
>> +        ramoops@...00000 {
>> +            compatible = "ramoops";
>> +            reg = <0x0 0xffc00000 0x0 0x100000>;
>> +            record-size = <0x1000>;
>> +            console-size = <0x40000>;
> 
> no ftrace-size?
It could use some!

> 
>> +            ecc-size = <16>;
>> +            no-map;
> 
> I see that other ramoops defines are not marked with no-map. Is there any reason for that?
Hm, not really. I can get rid of it for v2.

Konrad
> 
>> +        };
>> +    };
>>   };
>>     &dispcc {
>>
> 

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