[PATCH v2 0/3] iommu: Avoid DMA ops domain refcount contention

Tom Murphy murphyt7 at tcd.ie
Tue Sep 18 06:28:55 PDT 2018


>Not sure how fast Tom needs the common dma-iommu code for the x86 AMD iommu conversion.

I am currently busy working on something else and won't be able to
do/test the x86 AMD iommu conversion anytime soon. So I don't need the
common dma-iommu code anytime soon.

On 17 September 2018 at 14:33, Christoph Hellwig <hch at lst.de> wrote:
> On Fri, Sep 14, 2018 at 01:48:59PM +0100, Will Deacon wrote:
>> > As far as merging goes, I don't mind at all whether this goes via IOMMU,
>> > or via dma-mapping provided Joerg's happy to ack it.
>>
>> I think it makes most sense for Joerg to take this series via his tree.
>
> FYI, I have WIP patches to move the arm dma-iommu wrappers to common
> code:
>
> http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/dma-maybe-coherent
>
> which will require some synchronization of the involved trees.  In the
> end it is iommu code, so the actual iommu patches should probably
> go into the iommu tree after all, but it might have to pull in the
> dma-mapping branch for that.  Or we just punt it until the next merge
> window.  Not sure how fast Tom needs the common dma-iommu code for
> the x86 AMD iommu conversion.



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