linux-kernel - Re: implement generic dma_map_ops for IOMMUs

Open Source and information security mailing list archives

Date:   Mon, 28 Jan 2019 08:53:31 +0100
From:   Christoph Hellwig <hch@....de>
To:     Robin Murphy <robin.murphy@....com>
Cc:     Tom Lendacky <thomas.lendacky@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: implement generic dma_map_ops for IOMMUs

Any chance to get a review on this one?

On Mon, Jan 14, 2019 at 10:41:40AM +0100, Christoph Hellwig wrote:
> Hi Robin,
> 
> please take a look at this series, which implements a completely generic
> set of dma_map_ops for IOMMU drivers.  This is done by taking the
> existing arm64 code, moving it to drivers/iommu and then massaging it
> so that it can also work for architectures with DMA remapping.  This
> should help future ports to support IOMMUs more easily, and also allow
> to remove various custom IOMMU dma_map_ops implementations, like Tom
> was planning to for the AMD one.
> 
> A git tree is also available at:
> 
>     git://git.infradead.org/users/hch/misc.git dma-iommu-ops
> 
> Gitweb:
> 
>     http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/dma-iommu-ops
> _______________________________________________
> iommu mailing list
> iommu@...ts.linux-foundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/iommu
---end quoted text---

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