Re: use generic DMA mapping code in powerpc V4

From: Christoph Hellwig
Date: Tue Nov 27 2018 - 02:42:56 EST


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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