Re: use generic DMA mapping code in powerpc V4

[Christoph Hellwig]

Any comments?  I'd like to at least get the ball moving on the easy
bits.

On Wed, Nov 14, 2018 at 09:22:40AM +0100, Christoph Hellwig wrote:
> Hi all,
> 
> this series switches the powerpc port to use the generic swiotlb and
> noncoherent dma ops, and to use more generic code for the coherent
> direct mapping, as well as removing a lot of dead code.
> 
> As this series is very large and depends on the dma-mapping tree I've
> also published a git tree:
> 
>     git://git.infradead.org/users/hch/misc.git powerpc-dma.4
> 
> Gitweb:
> 
>     http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/powerpc-dma.4
> 
> Changes since v3:
>  - rebase on the powerpc fixes tree
>  - add a new patch to actually make the baseline amigaone config
>    configure without warnings
>  - only use ZONE_DMA for 64-bit embedded CPUs, on pseries an IOMMU is
>    always present
>  - fix compile in mem.c for one configuration
>  - drop the full npu removal for now, will be resent separately
>  - a few git bisection fixes
> 
> The changes since v1 are to big to list and v2 was not posted in public.
> 
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