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SubjectRe: add a new dma_alloc_noncontiguous API v3
Any comments?  Especially on the uvcvideo conversion?

On Mon, Mar 01, 2021 at 09:52:30AM +0100, Christoph Hellwig wrote:
> Hi all,
>
> this series adds the new noncontiguous DMA allocation API requested by
> various media driver maintainers.
>
> Changes since v2:
> - rebased to Linux 5.12-rc1
> - dropped one already merged patch
> - pass an attrs argument to dma_alloc_noncontigous
> - clarify the dma_vmap_noncontiguous documentation a bit
> - fix double assignments in uvcvideo
>
> Changes since v1:
> - document that flush_kernel_vmap_range and invalidate_kernel_vmap_range
> must be called once an allocation is mapped into KVA
> - add dma-debug support
> - remove the separate dma_handle argument, and instead create fully formed
> DMA mapped scatterlists
> - use a directional allocation in uvcvideo
> - call invalidate_kernel_vmap_range from uvcvideo
> _______________________________________________
> iommu mailing list
> iommu@lists.linux-foundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/iommu
---end quoted text---

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