DMA buffer sharing framework
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Documentation/driver-api/dma-buf.rst,Documentation/userspace-api/dma-buf-alloc-exchange.rst,drivers/dma-buf/,include/linux/*fence.h,include/linux/dma-buf.h,include/linux/dma-buf/,include/linux/dma-resv.h,rust/helpers/dma-resv.cand 2 more- Maintainers
- Christian König, Philipp Stanner, Sumit Semwal
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- vfio/pci: Add mmap() for DMABUFs drivers/ (8), include/ (3) In review 13 replies
- dma-buf: dma-fence: Remove dma_fence_init64() drivers/ (50), include/, rust/ In review 9 replies
- dma-buf/dma-fence: Close race window against error checks include/linux/dma-fence.h New 0 replies
- rust: Add drm::JobQueue rust/kernel/dma_buf/ (2), rust/kernel/drm/ (2), MAINTAINERS, rust/helpers/ In review 2 replies
- Add offsetofp() and offsetofendp() for pointer arithmetic drivers/ (29), net/ (12), fs/ (7), arch/, +4 In review 4 replies
- 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
- coco: guest: Add a shared-granule allocator for host-shared memory drivers/ (9), arch/ (8), kernel/ (6), include/ (3), +1 In review 5 replies
- memcg: dma-buf cgroup accounting and charge transfer include/ (7), drivers/ (5), tools/ (5), security/ (3), +2 In review 3 replies
- fs: support dma-buf backed direct I/O include/linux/ (3), block/ (2), fs/iomap/, fs/xfs/ In review 15 replies
- dma-buf/sw_sync: Avoid taking references to released fences drivers/dma-buf/sw_sync.c In review 3 replies
- dma-buf: system_heap: optimize allocation orders for x86 Documentation/userspace-api/, drivers/dma-buf/heaps/ New 0 replies
- dma-buf: Phase out is_signaled() race drivers/ (51), include/ In review 6 replies
- rust: Add drm::JobQueue samples/rust/ (3), rust/kernel/dma_buf/ (2), rust/kernel/drm/ (2), rust/helpers/ In review 2 replies
- allow dma-buf-io ctx reuse across files include/linux/ (2), io_uring/ (2), block/, drivers/dma-buf/ In review 1 reply
- dma-buf: Reject private mappings in dma_buf_mmap_internal() and dma_buf_mmap() drivers/dma-buf/dma-buf.c In review 1 reply
- dma-buf/udmabuf: do not warn on huge user-controlled allocations drivers/dma-buf/udmabuf.c New 0 replies
- dma-buf: Release input fences in the unwrap merge order test drivers/dma-buf/st-dma-fence-unwrap.c In review 2 replies
- rust: Adjust dma_buf::DriverFence::drop() rust/kernel/dma_buf/dma_fence.rs New 0 replies
- dma-buf: dmabuf->file release-time cleanup drivers/dma-buf/, drivers/gpu/drm/i915/gvt/, drivers/gpu/drm/vmwgfx/, include/linux/ In review 5 replies
- memcg: dma-buf cgroup accounting and charge transfer include/ (7), drivers/ (5), tools/ (5), security/ (3), +2 Superseded 8 replies
- dma-buf: system_heap: Reject private mappings in system_heap_mmap() drivers/dma-buf/heaps/system_heap.c In review 3 replies
- Solve dma_fence's problems by locking drivers/ (5), include/ (2) In review 11 replies
- sched: Add support for long task name drivers/ (17), include/ (12), security/ (6), kernel/ (5), +4 In review 2 replies
- vfio/pci: Add PCIe TPH support drivers/ (7), include/ (5) In review 4 replies
- rust: DmaFence: Implement Deref for FenceContext rust/kernel/dma_buf/dma_fence.rs In review 1 reply
- dma-buf: system_heap: 2MB chunks on x86 Documentation/userspace-api/, drivers/dma-buf/, drivers/dma-buf/heaps/ In review 4 replies
- dma-buf: warn-only mode for DMABUF_DEBUG drivers/dma-buf/ (5), lib/ (2), include/linux/ In review 13 replies
- dma-buf: Restore the scatterlist entry count before freeing drivers/dma-buf/dma-buf-mapping.c Applied 4 replies
- misc: fgds: enable GPU-NVMe direct I/O via POSIX and io_uring drivers/ (4), fs/ (3), include/ (2), Documentation/, +2 In review 12 replies
- tracing: Use trace_call__FOO() for tracepoints behind trace_FOO_enabled() drivers/ (9), net/ (7), kernel/ (2), arch/ New 0 replies
- DMA-buf mapping types drivers/ (47), include/ (3), Documentation/, io_uring/, +3 Superseded 19 replies
- memcg: dma-buf cgroup accounting and charge transfer include/ (6), tools/ (5), drivers/ (3), security/ (3), +2 Superseded 2 replies
- dma-buf/dma-fence: Document why signaled-bit is set early drivers/dma-buf/dma-fence.c In review 1 reply
- dma-buf: Add DMA_BUF_IOCTL_SET_RELEASE_EVENTFD drivers/dma-buf/, include/linux/, include/uapi/linux/ In review 6 replies
- dma-fence: Order is-signaled-bit drivers/dma-buf/, include/asm-generic/bitops/, include/linux/ In review 10 replies
- rust: DmaFence: Initialize for 64-bit seqnos rust/kernel/dma_buf/dma_fence.rs New 0 replies
- rust: DmaFence: Don't drop on signal rust/kernel/dma_buf/dma_fence.rs In review 1 reply
- 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
- dma-buf: Fix IOVA offset when linking phys vecs to sgt drivers/dma-buf/dma-buf-mapping.c In review 4 replies
- dma-buf: fix stale return value documentation for dma_buf_set_name() drivers/dma-buf/dma-buf.c In review 1 reply
- udmabuf: respect the device's maximum segment size drivers/dma-buf/udmabuf.c In review 6 replies
- clean up dma-buf-io kerneldocs drivers/dma-buf/, include/linux/ Applied 1 reply
- rust: DmaFence: Remove static lifetime rust/kernel/dma_buf/dma_fence.rs Applied 2 replies
- clean up dma-buf-io kerneldocs drivers/dma-buf/, include/linux/ Superseded 1 reply
- rust: Add drm::JobQueue rust/kernel/drm/ (2), rust/kernel/dma_buf/ Superseded 1 reply
- KVM: Allow alternative providers of guest_memfd backed by PFNMAP memory tools/ (18), drivers/ (9), include/ (8), arch/ (7), +5 In review 23 replies
- rust: Add drm::JobQueue rust/kernel/drm/ (2), rust/kernel/dma_buf/ Superseded 2 replies
- Add dmabuf read/write via io_uring include/ (11), drivers/ (9), io_uring/ (6), block/ (4), +1 Applied 10 replies