Re: add a new dma_alloc_noncontiguous API v2

[Tomasz Figa]

Hi Christoph,

On Mon, Feb 8, 2021 at 3:49 AM Christoph Hellwig <hch@xxxxxx> wrote:
>
> Any comments?
>

Sorry for the delay. The whole series looks very good to me. Thanks a lot.

Reviewed-by: Tomasz Figa <tfiga@xxxxxxxxxxxx>

Best regards,
Tomasz

> On Tue, Feb 02, 2021 at 10:51:03AM +0100, Christoph Hellwig wrote:
> > Hi all,
> >
> > this series adds the new noncontiguous DMA allocation API requested by
> > various media driver maintainers.
> >
> > 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
> > _______________________________________________
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> > iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx
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> ---end quoted text---