linux-kernel - Re: arm-smmu 5000000.iommu: Cannot accommodate DMA offset for IOMMU page tables

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Message-ID: <CA+G9fYu42j_B+Rg2nq+KKBiKLqxVEqabQ15CujyJ+o6jqRj2uQ@mail.gmail.com>
Date:   Fri, 9 Oct 2020 19:24:54 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Joerg Roedel <joro@...tes.org>
Cc:     Robin Murphy <robin.murphy@....com>,
        Poonam Aggrwal <poonam.aggrwal@....com>,
        Rob Herring <robh@...nel.org>, Joerg Roedel <jroedel@...e.de>,
        Arnd Bergmann <arnd@...db.de>,
        Richard Weinberger <richard@....at>,
        open list <linux-kernel@...r.kernel.org>,
        lkft-triage@...ts.linaro.org,
        "open list:IOMMU DRIVERS" <iommu@...ts.linux-foundation.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        linux-mtd@...ts.infradead.org,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Suram Suram <suram@....com>, masonccyang@...c.com.tw,
        Will Deacon <will@...nel.org>,
        "Z.Q. Hou" <Zhiqiang.Hou@....com>
Subject: Re: arm-smmu 5000000.iommu: Cannot accommodate DMA offset for IOMMU
 page tables

On Thu, 24 Sep 2020 at 15:26, Joerg Roedel <joro@...tes.org> wrote:
>
> On Thu, Sep 24, 2020 at 10:36:47AM +0100, Robin Murphy wrote:
> > Yes, the issue was introduced by one of the changes in "dma-mapping:
> > introduce DMA range map, supplanting dma_pfn_offset", so it only existed in
> > the dma-mapping/for-next branch anyway.

FYI,
The reported problem still exists
>
> Okay, alright then.
>