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Date: Mon, 22 Oct 2018 10:07:33 +0200
From: Christoph Hellwig <hch@...radead.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Marek Szyprowski <m.szyprowski@...sung.com>,
Robin Murphy <robin.murphy@....com>,
iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: [GIT PULL] first round of dma mapping updates for 4.20
Hi Linus, below is the first round of dma-mapping updates for 4.20.
There will be a second PR as some big changes were only applied just
before the end of the merge window, and I want to give them a few
more days in linux-next.
Note that "dma-mapping: add the missing ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
declaration" was applied here and later cherry picked into 4.19, so it
will show up as a duplicate commit. That also causes an easy to solve
merge conflict in kernel/dma/Kconfig (just make sure there are no
duplicate symbols).
There also are some Kconfig conflicts in linux-next for the architecture
Kconfig files, but those are only due to non-related symbols close to
each other, and trivial to resolve.
The following changes since commit d7b686ebf704e3d91925a535a0905ba6be23757c:
Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux (2018-09-07 17:30:40 -0700)
are available in the Git repository at:
git://git.infradead.org/users/hch/dma-mapping.git tags/dma-mapping-4.20
for you to fetch changes up to b9fd04262a8abc366f40a9e97598e94591352c26:
dma-direct: respect DMA_ATTR_NO_WARN (2018-10-09 15:08:46 +0200)
----------------------------------------------------------------
First batch of dma-mapping changes for 4.20:
- mostly more consolidation of the direct mapping code, including
converting over hexagon, and merging the coherent and non-coherent
code into a single dma_map_ops instance (me)
- cleanups for the dma_configure/dma_unconfigure callchains (me)
- better handling of dma_masks in odd setups (me, Alexander Duyck)
- better debugging of passing vmalloc address to the DMA API
(Stephen Boyd)
- CMA command line parsing fix (He Zhe)
----------------------------------------------------------------
Alexander Duyck (1):
dma-direct: fix return value of dma_direct_supported
Christoph Hellwig (24):
hexagon: remove the sync_single_for_cpu DMA operation
hexagon: implement the sync_sg_for_device DMA operation
hexagon: use generic dma_noncoherent_ops
arm-nommu: don't define arch_teardown_dma_ops
dma-mapping: remove dma_configure
dma-mapping: remove dma_deconfigure
dma-mapping: clear dev->dma_ops in arch_teardown_dma_ops
dma-mapping: add the missing ARCH_HAS_SYNC_DMA_FOR_CPU_ALL declaration
MIPS: don't select DMA_MAYBE_COHERENT from DMA_PERDEV_COHERENT
dma-mapping: move the dma_coherent flag to struct device
dma-mapping: merge direct and noncoherent ops
dma-mapping: consolidate the dma mmap implementations
dma-mapping: support non-coherent devices in dma_common_get_sgtable
Revert "dma-mapping: clear dev->dma_ops in arch_teardown_dma_ops"
unicore32: remove swiotlb support
dma-mapping: make the get_required_mask method available unconditionally
dma-direct: add an explicit dma_direct_get_required_mask
dma-direct: refine dma_direct_alloc zone selection
dma-direct: implement complete bus_dma_mask handling
dma-direct: always allow dma mask <= physiscal memory size
dma-mapping: move dma_default_get_required_mask under ifdef
dma-direct: document the zone selection logic
dma-mapping: translate __GFP_NOFAIL to DMA_ATTR_NO_WARN
dma-direct: respect DMA_ATTR_NO_WARN
He Zhe (1):
dma-mapping: fix panic caused by passing empty cma command line argument
Stephen Boyd (1):
dma-debug: Check for drivers mapping invalid addresses in dma_map_single()
arch/arc/Kconfig | 4 +-
arch/arc/mm/dma.c | 41 ++----
arch/arm/include/asm/dma-mapping.h | 2 +
arch/arm/mm/dma-mapping-nommu.c | 11 +-
arch/c6x/Kconfig | 2 +-
arch/hexagon/Kconfig | 2 +
arch/hexagon/include/asm/Kbuild | 1 +
arch/hexagon/include/asm/dma-mapping.h | 40 ------
arch/hexagon/kernel/dma.c | 143 ++------------------
arch/ia64/include/asm/dma-mapping.h | 2 -
arch/ia64/include/asm/machvec.h | 7 -
arch/ia64/include/asm/machvec_init.h | 1 -
arch/ia64/include/asm/machvec_sn2.h | 2 -
arch/ia64/pci/pci.c | 26 ----
arch/ia64/sn/pci/pci_dma.c | 4 +-
arch/m68k/Kconfig | 2 +-
arch/microblaze/Kconfig | 4 +-
arch/microblaze/include/asm/pgtable.h | 2 -
arch/microblaze/kernel/dma.c | 22 ---
arch/microblaze/mm/consistent.c | 3 +-
arch/mips/Kconfig | 7 +-
arch/mips/include/asm/Kbuild | 1 +
arch/mips/include/asm/device.h | 19 ---
arch/mips/include/asm/dma-coherence.h | 6 +
arch/mips/include/asm/dma-mapping.h | 4 +-
arch/mips/jazz/jazzdma.c | 7 +-
arch/mips/kernel/setup.c | 2 +-
arch/mips/mm/c-r4k.c | 17 ++-
arch/mips/mm/dma-noncoherent.c | 79 +++--------
arch/nds32/Kconfig | 2 +-
arch/nios2/Kconfig | 2 +-
arch/openrisc/Kconfig | 2 +-
arch/parisc/Kconfig | 2 +-
arch/parisc/kernel/setup.c | 2 +-
arch/sh/Kconfig | 3 +-
arch/sparc/Kconfig | 2 +-
arch/sparc/include/asm/dma-mapping.h | 4 +-
arch/unicore32/Kconfig | 2 +-
arch/unicore32/include/asm/Kbuild | 1 +
arch/unicore32/include/asm/dma-mapping.h | 22 ---
arch/unicore32/mm/init.c | 3 -
arch/x86/kernel/amd_gart_64.c | 6 +-
arch/xtensa/Kconfig | 2 +-
drivers/acpi/arm64/iort.c | 2 +-
drivers/acpi/scan.c | 10 --
drivers/base/dd.c | 12 +-
drivers/base/platform.c | 11 +-
drivers/of/device.c | 12 --
drivers/pci/controller/vmd.c | 4 -
drivers/xen/swiotlb-xen.c | 4 +-
include/acpi/acpi_bus.h | 1 -
include/asm-generic/dma-mapping.h | 9 --
include/linux/acpi.h | 2 -
include/linux/device.h | 7 +
include/linux/dma-debug.h | 8 ++
include/linux/dma-direct.h | 8 +-
include/linux/dma-mapping.h | 42 +++---
include/linux/dma-noncoherent.h | 27 +++-
include/linux/of_device.h | 3 -
kernel/dma/Kconfig | 19 +--
kernel/dma/Makefile | 1 -
kernel/dma/contiguous.c | 6 +-
kernel/dma/debug.c | 16 +++
kernel/dma/direct.c | 222 +++++++++++++++++++++++++------
kernel/dma/mapping.c | 71 +++++-----
kernel/dma/noncoherent.c | 106 ---------------
66 files changed, 423 insertions(+), 698 deletions(-)
delete mode 100644 arch/hexagon/include/asm/dma-mapping.h
delete mode 100644 arch/mips/include/asm/device.h
delete mode 100644 arch/unicore32/include/asm/dma-mapping.h
delete mode 100644 kernel/dma/noncoherent.c
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