linux-kernel - Re: [PATCH 5/7] arm64: dts: qcom: sm8550: Mark APPS SMMU as dma-coherent

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <672c7e89-1514-4b7a-a8b7-47f318ec188a@linaro.org>
Date:   Wed, 30 Aug 2023 22:36:47 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Abel Vesa <abel.vesa@...aro.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Sai Prakash Ranjan <quic_saipraka@...cinc.com>,
        Vinod Koul <vkoul@...nel.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org
Subject: Re: [PATCH 5/7] arm64: dts: qcom: sm8550: Mark APPS SMMU as
 dma-coherent

On 30.08.2023 22:04, Dmitry Baryshkov wrote:
> On Wed, 30 Aug 2023 at 21:32, Konrad Dybcio <konrad.dybcio@...aro.org> wrote:
>>
>> Like on earlier flagship Qualcomm SoCs, the SMMU is dma-coherent.
>> Mark it as such.
> 
> On earlier SoCs we marked Adreno SMMU as dma-coherent, not the apps
> one. Only on sm8250 you've added dma-coherent to the apps smmu.
Also applies to 83450, perhaps I just haven't sent them yet or
it's not been merged, don't remember

Konrad