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

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Message-ID: <20200924095629.GL27174@8bytes.org>
Date:   Thu, 24 Sep 2020 11:56:29 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     Robin Murphy <robin.murphy@....com>
Cc:     Poonam Aggrwal <poonam.aggrwal@....com>, robh@...nel.org,
        Joerg Roedel <jroedel@...e.de>, Arnd Bergmann <arnd@...db.de>,
        Richard Weinberger <richard@....at>,
        Naresh Kamboju <naresh.kamboju@...aro.org>,
        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>, Zhiqiang.Hou@....com
Subject: Re: arm-smmu 5000000.iommu: Cannot accommodate DMA offset for IOMMU
 page tables

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.

Okay, alright then.