dma buffer sharing framework · Maintained

Maintainers

• M Sumit Semwal <sumit.semwal@linaro.org>
• M Christian König <christian.koenig@amd.com>

Paths

• F Documentation/driver-api/dma-buf.rst
• F Documentation/userspace-api/dma-buf-alloc-exchange.rst
• F drivers/dma-buf/
• F include/linux/*fence.h
• F include/linux/dma-buf.h
• F include/linux/dma-buf/
• F include/linux/dma-resv.h
• F rust/helpers/dma-resv.c

Last 30 days

Recent patches

Most-recent 22 patches in this subsystem on rust-for-linux, ordered by date desc.

• COLD59d Re: [PATCH V13 2/7] dma-resv: Fix undefined symbol when CONFIG_DMA_SHARED_BUFFER is disabled
  2026-04-24 · Mukesh Kumar Chaurasiya <hidden>
• COLD59d [PATCH V13 2/7] dma-resv: Fix undefined symbol when CONFIG_DMA_SHARED_BUFFER is disabled
  2026-04-24 · Mukesh Kumar Chaurasiya (IBM) <hidden>
• STALE90d REVIEWED: 21 (21M) [PATCH v5 2/6] rust: helpers: Add bindings/wrappers for dma_resv_lock
  2026-03-20 · Alice Ryhl <aliceryhl@google.com>
• STALE87d REVIEWED: 13 (12M) [PATCH v9 3/7] rust: helpers: Add bindings/wrappers for dma_resv_lock
  2026-03-16 · Lyude Paul <lyude@redhat.com>
• STALE104d REVIEWED: 13 (12M) [PATCH v8 3/7] rust: helpers: Add bindings/wrappers for dma_resv_lock
  2026-03-11 · Lyude Paul <lyude@redhat.com>
• STALE111d REVIEWED: 13 (12M) [PATCH v7 2/7] rust: helpers: Add bindings/wrappers for dma_resv_lock
  2026-02-06 · Lyude Paul <lyude@redhat.com>
• STALE120d REVIEWED: 21 (21M) [PATCH v4 2/6] rust: helpers: Add bindings/wrappers for dma_resv_lock
  2026-01-30 · Alice Ryhl <aliceryhl@google.com>
• STALE150d REVIEWED: 14 (14M) [PATCH v3 2/6] rust: helpers: Add bindings/wrappers for dma_resv_lock
  2026-01-21 · Alice Ryhl <aliceryhl@google.com>
• COLD33d [PATCH v18 28/42] dept: assign unique dept_key to each distinct dma fence caller
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COLD33d [PATCH v18 20/42] dept: apply timeout consideration to dma fence wait
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COLD33d [PATCH v18 14/42] dept: apply sdt_might_sleep_{start,end}() to dma fence
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE139d REVIEWED: 12 (12M) [PATCH v6 2/8] rust: helpers: Add bindings/wrappers for dma_resv_lock
  2025-12-02 · Lyude Paul <lyude@redhat.com>
• STALE206d [PATCH 6/6] dma-buf/dma-fence: Remove return code of signaling-functions
  2025-11-26 · Philipp Stanner <phasta@kernel.org>
• STALE206d [PATCH 4/6] dma-buf: Don't misuse dma_fence_signal()
  2025-11-26 · Philipp Stanner <phasta@kernel.org>
• STALE206d [PATCH 1/6] dma-buf/dma-fence: Add dma_fence_test_signaled_flag()
  2025-11-26 · Philipp Stanner <phasta@kernel.org>
• STALE205d REVIEWED: 12 (12M) [PATCH v5 2/8] rust: helpers: Add bindings/wrappers for dma_resv_lock
  2025-10-23 · Lyude Paul <lyude@redhat.com>
• STALE247d [PATCH v4 3/9] rust: helpers: Add bindings/wrappers for dma_resv_lock
  2025-10-16 · Lyude Paul <lyude@redhat.com>
• STALE287d [PATCH v3 05/14] rust: helpers: Add bindings/wrappers for dma_resv_lock
  2025-08-29 · Lyude Paul <lyude@redhat.com>
• STALE399d [PATCH v2 01/12] rust: helpers: Add bindings/wrappers for dma_resv_lock
  2025-05-21 · Lyude Paul <lyude@redhat.com>
• STALE371d [PATCH v2 1/2] rust: helpers: Add bindings/wrappers for dma_resv
  2025-04-22 · Daniel Almeida <daniel.almeida@collabora.com>
• STALE458d [PATCH 1/2] rust: helpers: Add bindings/wrappers for dma_resv
  2025-03-24 · Daniel Almeida <daniel.almeida@collabora.com>
• STALE84d [PATCH 3/7] rust: helpers: Add bindings/wrappers for dma_resv_lock
  2025-03-18 · Daniel Almeida <daniel.almeida@collabora.com>

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• COLD33d [PATCH v18 14/42] dept: apply sdt_might_sleep_{start,end}() to dma fence
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COLD33d [PATCH v18 28/42] dept: assign unique dept_key to each distinct dma fence caller
  2025-12-05 · Byungchul Park <byungchul@sk.com>