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Subject[GIT PULL] second round of dma mapping updates for 4.20
The following changes since commit b9fd04262a8abc366f40a9e97598e94591352c26:

dma-direct: respect DMA_ATTR_NO_WARN (2018-10-09 15:08:46 +0200)

are available in the Git repository at:

git://git.infradead.org/users/hch/dma-mapping.git tags/dma-mapping-4.20-1

for you to fetch changes up to 886643b766321f15f63bd950be618cbb6dd22bbc:

arm64: use the generic swiotlb_dma_ops (2018-10-19 08:53:24 +0200)

----------------------------------------------------------------
Second batch of dma-mapping updates for 4.20:

- various swiotlb cleanups
- do not dip into the ѕwiotlb pool for dma coherent allocations
- add support for not cache coherent DMA to swiotlb
- switch ARM64 to use the generic swiotlb_dma_ops

----------------------------------------------------------------
Christoph Hellwig (10):
swiotlb: remove a pointless comment
swiotlb: mark is_swiotlb_buffer static
swiotlb: do not panic on mapping failures
swiotlb: remove the overflow buffer
swiotlb: merge swiotlb_unmap_page and unmap_single
swiotlb: use swiotlb_map_page in swiotlb_map_sg_attrs
swiotlb: refactor swiotlb_map_page
swiotlb: don't dip into swiotlb pool for coherent allocations
swiotlb: add support for non-coherent DMA
arm64: use the generic swiotlb_dma_ops

arch/arm64/Kconfig | 4 +
arch/arm64/include/asm/device.h | 1 -
arch/arm64/include/asm/dma-mapping.h | 7 +-
arch/arm64/mm/dma-mapping.c | 257 ++++++---------------------
arch/powerpc/kernel/dma-swiotlb.c | 4 +-
include/linux/dma-direct.h | 2 +
include/linux/swiotlb.h | 9 -
kernel/dma/direct.c | 2 -
kernel/dma/swiotlb.c | 326 +++++++----------------------------
9 files changed, 123 insertions(+), 489 deletions(-)

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