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SubjectRe: [PATCH 03/19] dma-iommu: don't use a scatterlist in iommu_dma_alloc
On Fri, Feb 01, 2019 at 03:24:45PM +0000, Robin Murphy wrote:
> On 14/01/2019 09:41, Christoph Hellwig wrote:
>> Directly iterating over the pages makes the code a bit simpler and
>> prepares for the following changes.
>
> It also defeats the whole purpose of __iommu_dma_alloc_pages(), so I'm not
> really buying the simplification angle - you've *seen* that code, right? ;)

How does it defeat the purpose of __iommu_dma_alloc_pages?

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