Remove DMA .map_page and .unmap_page callbacks
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- v1 Latest9 patches 10 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/9 | alpha: Convert mapping routine to rely on physical addressarch/ | +20 | 10 replies | |
| 2/9 | MIPS/jazzdma: Provide physical address directlyarch/ | +13 | 0 replies | |
| 3/9 | parisc: Convert DMA map_page to map_phys interfacedrivers/ drivers/ | +25 | 0 replies | |
| 4/9 | powerpc: Convert to physical address DMA mappingarch/ arch/ arch/ +3 more | +60 | 0 replies | |
| 5/9 | sparc64: Use physical address DMA mappingarch/ arch/ arch/ +1 more | +48 | 0 replies | |
| 6/9 | x86: Use physical address for DMA mappingarch/ | +10 | 0 replies | |
| 7/9 | vdpa: Convert to physical address DMA mappingdrivers/ drivers/ drivers/ | +19 | 0 replies | |
| 8/9 | xen: swiotlb: Convert mapping routine to rely on physical addressdrivers/ | +12 | 0 replies | |
| 9/9 | dma-mapping: remove unused map_page callbackinclude/ kernel/ kernel/ | +1 | 0 replies |
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Cover letter [PATCH 0/9] Remove DMA .map_page and .unmap_page callbacks
Hi,
This series continues following two series:
1. "dma-mapping: migrate to physical address-based API"
https://lore.kernel.org/all/[email protected]
2. "Preparation to .map_page and .unmap_page removal" Preparation to .map_page and .unmap_page removal
In this series, the DMA .map_page/.unmap_page callbacks are converted to newly introduced .map_phys/.unmap_phys interfaces. This conversion allows us to reduce or eliminate (for certain ARCHs) use of struct pages in DMA path.
Thanks
Leon Romanovsky (9):
alpha: Convert mapping routine to rely on physical address MIPS/jazzdma: Provide physical address directly
parisc: Convert DMA map_page to map_phys interface
powerpc: Convert to physical address DMA mapping
sparc64: Use physical address DMA mapping
x86: Use physical address for DMA mapping
vdpa: Convert to physical address DMA mapping
xen: swiotlb: Convert mapping routine to rely on physical address
dma-mapping: remove unused map_page callback
arch/alpha/kernel/pci_iommu.c | 47 ++++++++++-------------- arch/mips/jazz/jazzdma.c | 20 ++++++---- arch/powerpc/include/asm/iommu.h | 8 ++-- arch/powerpc/kernel/dma-iommu.c | 22 +++++------ arch/powerpc/kernel/iommu.c | 14 +++---- arch/powerpc/platforms/ps3/system-bus.c | 33 ++++++++++------- arch/powerpc/platforms/pseries/ibmebus.c | 15 ++++---- arch/powerpc/platforms/pseries/vio.c | 21 ++++++----- arch/sparc/kernel/iommu.c | 16 ++++---- arch/sparc/kernel/pci_sun4v.c | 16 ++++---- arch/sparc/mm/io-unit.c | 13 +++---- arch/sparc/mm/iommu.c | 46 ++++++++++++----------- arch/x86/kernel/amd_gart_64.c | 19 +++++----- drivers/parisc/ccio-dma.c | 25 +++++++------ drivers/parisc/sba_iommu.c | 23 ++++++------ drivers/vdpa/vdpa_user/iova_domain.c | 11 +++--- drivers/vdpa/vdpa_user/iova_domain.h | 8 ++-- drivers/vdpa/vdpa_user/vduse_dev.c | 18 +++++---- drivers/xen/grant-dma-ops.c | 20 ++++++---- include/linux/dma-map-ops.h | 7 ---- kernel/dma/mapping.c | 12 ------ kernel/dma/ops_helpers.c | 8 +--- 22 files changed, 208 insertions(+), 214 deletions(-)
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