Userspace DMA buffer driver
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drivers/dma-buf/udmabuf.c,include/uapi/linux/udmabuf.h- Maintainers
- Gerd Hoffmann, Vivek Kasireddy
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- memcg: account the remaining uncharged kernel allocations io_uring/ (8), drivers/ (7), kernel/ (2) In review 8 replies
- DMA-buf mapping types drivers/ (46), include/ (3), io_uring/, net/, +2 In review 5 replies
- dma-buf/udmabuf: do not warn on huge user-controlled allocations drivers/dma-buf/udmabuf.c New 0 replies
- DMA-buf mapping types drivers/ (47), include/ (3), Documentation/, io_uring/, +3 Superseded 19 replies
- Add DMA-buf mapping types and convert vfio/iommufd to use them drivers/ (46), include/ (2), tools/ (2), Documentation/, +4 In review 38 replies
- udmabuf: Improve list length limit handling drivers/dma-buf/udmabuf.c New 0 replies
- udmabuf: respect the device's maximum segment size drivers/dma-buf/udmabuf.c In review 6 replies
- udmabuf: Disable the list length limit by default drivers/dma-buf/udmabuf.c In review 1 reply
- udmabuf: respect the device's maximum segment size drivers/dma-buf/udmabuf.c Superseded 3 replies
- udmabuf: use __GFP_NOWARN for page and folio array allocations 0 replies
- udmabuf: Add mlock accounting and fix syzbot warning issue drivers/dma-buf/udmabuf.c In review 8 replies
- dma-buf/udmabuf: reinstate a reasonable default size limit drivers/dma-buf/udmabuf.c In review 3 replies
- dma-buf/udmabuf: reinstate a reasonable default size limit drivers/dma-buf/udmabuf.c In review 1 reply
- dma-buf/udmabuf: avoid oversized kvmalloc in init_udmabuf() drivers/dma-buf/udmabuf.c In review 2 replies
- dma-buf/udmabuf: don't warn on oversized allocation requests drivers/dma-buf/udmabuf.c New 0 replies
- udmabuf: vastly increase the size limit per dmabuf drivers/dma-buf/udmabuf.c In review 5 replies
- dma-buf/udmabuf: Disable the size limit by default drivers/dma-buf/udmabuf.c In review 4 replies
- dma-buf/udmabuf: Disable the size limit by default drivers/dma-buf/udmabuf.c Superseded 2 replies
- FAILED: patch "[PATCH] dma-buf/udmabuf: skip redundant cpu sync to fix cacheline" failed to apply to 5.10-stable tree drivers/dma-buf/udmabuf.c New 0 replies
- FAILED: patch "[PATCH] dma-buf/udmabuf: skip redundant cpu sync to fix cacheline" failed to apply to 5.15-stable tree drivers/dma-buf/udmabuf.c New 0 replies
- FAILED: patch "[PATCH] dma-buf/udmabuf: skip redundant cpu sync to fix cacheline" failed to apply to 6.1-stable tree drivers/dma-buf/udmabuf.c New 0 replies
- FAILED: patch "[PATCH] dma-buf/udmabuf: skip redundant cpu sync to fix cacheline" failed to apply to 6.6-stable tree drivers/dma-buf/udmabuf.c New 0 replies
- dma-buf/udmabuf: Introduce CONFIG_UDMABUF_SIZE_LIMIT_MBYTES drivers/dma-buf/ (2) In review 4 replies
- udmabuf: Ensure to perform cache synchronisation in begin_cpu_udmabuf() drivers/dma-buf/udmabuf.c In review 9 replies
- udmabuf: reject unknown UDMABUF_CREATE flags drivers/dma-buf/, include/uapi/linux/, tools/testing/selftests/drivers/dma-buf/ New 0 replies
- dma-buf: udmabuf: avoid list copy size overflow drivers/dma-buf/udmabuf.c Superseded 4 replies
- udmabuf: serialize the sg_table cache under the reservation lock drivers/dma-buf/udmabuf.c New 0 replies
- dma-buf: udmabuf: make list limit unsigned drivers/dma-buf/udmabuf.c In review 1 reply
- udmabuf: serialize the sg_table cache under the reservation lock drivers/dma-buf/udmabuf.c Superseded 1 reply
- dma-buf: udmabuf: avoid list copy size overflow drivers/dma-buf/udmabuf.c New 0 replies
- net: devmem: allow rx-buf-size > PAGE_SIZE per binding tools/ (6), net/ (4), Documentation/, drivers/, +1 Superseded 7 replies
- net: devmem: allow rx-buf-size > PAGE_SIZE per binding tools/ (6), net/ (4), Documentation/, drivers/, +1 Superseded 4 replies
- net: devmem: allow rx-buf-size > PAGE_SIZE per binding tools/ (6), net/ (4), Documentation/, drivers/, +1 Superseded 11 replies
- dma-buf: udmabuf: validate create-list count before copying drivers/dma-buf/udmabuf.c New 0 replies
- dma-buf/udmabuf: skip redundant cpu sync to fix cacheline EEXIST warning drivers/dma-buf/udmabuf.c In review 4 replies
- udmabuf: fix DMA direction mismatch in release_udmabuf() drivers/dma-buf/udmabuf.c In review 3 replies
- dma-buf/udmabuf: skip redundant cpu sync to fix cacheline EEXIST warning drivers/dma-buf/udmabuf.c Superseded 5 replies
- udmabuf: Do not create malformed scatterlists drivers/dma-buf/udmabuf.c In review 1 reply
- lib/scatterlist: fix sg_page_count and sg_dma_page_count lib/scatterlist.c In review 8 replies
- Backport CVE fixes to 6.12.y drivers/net/ethernet/sfc/ (2), drivers/dma-buf/, drivers/iommu/intel/, drivers/net/wireless/ath/ath12k/ Superseded 1 reply
- arm64/dma-mapping: Fix arch_sync_dma_for_device to respect dir parameter arch/arm64/mm/dma-mapping.c In review 5 replies
- udmabuf: Sync to attached devices drivers/dma-buf/udmabuf.c In review 3 replies
- iosys-map: refactor to reduce struct size drivers/ (22), include/ In review 19 replies
- Implement dmabuf direct I/O via copy_file_range drivers/dma-buf/ (2), include/linux/ (2), drivers/dma-buf/heaps/, fs/ In review 25 replies
- media: fix incorrect use of dma_sync_sg_*() calls drivers/media/platform/ti/omap3isp/ (2), drivers/dma-buf/, drivers/media/common/videobuf2/ In review 7 replies
- Optimizing disk file & dmabuf copies via copy_file_range. drivers/dma-buf/ (2), include/linux/ (2), drivers/dma-buf/heaps/, fs/ In review 3 replies
- media: fix incorrect use of dma_sync_sg_*() calls drivers/media/platform/ti/omap3isp/ (2), drivers/dma-buf/, drivers/media/common/videobuf2/ Superseded 1 reply
- udmabuf: use sgtable-based scatterlist wrappers drivers/media/platform/ti/omap3isp/ (2), drivers/dma-buf/, drivers/media/common/videobuf2/ Superseded 2 replies
- Fix udmabuf vmap error drivers/dma-buf/ (2) New 0 replies
- Fix udmabuf vmap error drivers/dma-buf/ (2) Superseded 8 replies