Thread (166 messages) 166 messages, 7 authors, 2019-12-19

Re: use generic DMA mapping code in powerpc V4

From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2018-12-08 11:44:09
Also in: linux-arch, linux-iommu, linux-mm, lkml

On Tue, 2018-11-27 at 08:42 +0100, Christoph Hellwig wrote:
Any comments?  I'd like to at least get the ball moving on the easy
bits.
I completely missed your posting of V4 ! I was wondering what was
taking you so long :)

I'll give it a spin & send acks over the next 2 or 3 days.

Cheers,
Ben.
On Wed, Nov 14, 2018 at 09:22:40AM +0100, Christoph Hellwig wrote:
quoted
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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