linux-kernel - Re: [PATCH v5 0/5] iommu/arm-smmu: adreno-smmu page fault handling

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Date:   Wed, 7 Jul 2021 10:38:38 -0700
From:   Rob Clark <robdclark@...omium.org>
To:     John Stultz <john.stultz@...aro.org>
Cc:     Rob Clark <robdclark@...il.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        "list@....net:IOMMU DRIVERS <iommu@...ts.linux-foundation.org>, Joerg
        Roedel <joro@...tes.org>," <iommu@...ts.linux-foundation.org>,
        freedreno <freedreno@...ts.freedesktop.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Jordan Crouse <jordan@...micpenguin.net>,
        Akhil P Oommen <akhilpo@...eaurora.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Douglas Anderson <dianders@...omium.org>,
        Eric Anholt <eric@...olt.net>,
        "Isaac J. Manjarres" <isaacm@...eaurora.org>,
        Joerg Roedel <jroedel@...e.de>,
        Jonathan Marek <jonathan@...ek.ca>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Krishna Reddy <vdumpa@...dia.com>,
        "Kristian H. Kristensen" <hoegsberg@...gle.com>,
        Lee Jones <lee.jones@...aro.org>,
        "moderated list:ARM SMMU DRIVERS" 
        <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Robin Murphy <robin.murphy@....com>,
        Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>,
        Sharat Masetty <smasetty@...eaurora.org>,
        Will Deacon <will@...nel.org>,
        Zhenzhong Duan <zhenzhong.duan@...il.com>
Subject: Re: [PATCH v5 0/5] iommu/arm-smmu: adreno-smmu page fault handling

On Tue, Jul 6, 2021 at 10:12 PM John Stultz <john.stultz@...aro.org> wrote:
>
> On Sun, Jul 4, 2021 at 11:16 AM Rob Clark <robdclark@...il.com> wrote:
> >
> > I suspect you are getting a dpu fault, and need:
> >
> > https://lore.kernel.org/linux-arm-msm/CAF6AEGvTjTUQXqom-xhdh456tdLscbVFPQ+iud1H1gHc8A2=hA@mail.gmail.com/
> >
> > I suppose Bjorn was expecting me to send that patch
>
> If it's helpful, I applied that and it got the db845c booting mainline
> again for me (along with some reverts for a separate ext4 shrinker
> crash).
> Tested-by: John Stultz <john.stultz@...aro.org>
>

Thanks, I'll send a patch shortly

BR,
-R