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 30 patches in this subsystem on linux-ext4 (capped at 30), ordered by date desc.

• STALE90d [PATCH v3 12/12] treewide: change inode->i_ino from unsigned long to u64
  2026-03-04 · Jeff Layton <jlayton@kernel.org>
• STALE102d [PATCH v2 107/110] dma-buf: replace PRIino with %llu/%llx format strings
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• STALE102d [PATCH v2 054/110] dma-buf: use PRIino format for i_ino
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• STALE107d [PATCH 56/61] dma-buf: update format string for u64 i_ino
  2026-02-26 · Jeff Layton <jlayton@kernel.org>
• COLD22d [PATCH v18 28/42] dept: assign unique dept_key to each distinct dma fence caller
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COLD22d [PATCH v18 20/42] dept: apply timeout consideration to dma fence wait
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COLD22d [PATCH v18 14/42] dept: apply sdt_might_sleep_{start,end}() to dma fence
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE195d [PATCH v17 32/47] dept: assign unique dept_key to each distinct dma fence caller
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE195d [PATCH v17 23/47] dept: apply timeout consideration to dma fence wait
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE195d [PATCH v17 17/47] dept: apply sdt_might_sleep_{start,end}() to dma fence
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE324d [PATCH v16 32/42] dept: assign unique dept_key to each distinct dma fence caller
  2025-05-19 · Byungchul Park <byungchul@sk.com>
• STALE324d [PATCH v16 23/42] dept: apply timeout consideration to dma fence wait
  2025-05-19 · Byungchul Park <byungchul@sk.com>
• STALE324d [PATCH v16 17/42] dept: apply sdt_might_sleep_{start,end}() to dma fence
  2025-05-19 · Byungchul Park <byungchul@sk.com>
• STALE394d [PATCH v15 33/43] dept: assign unique dept_key to each distinct dma fence caller
  2025-05-13 · Byungchul Park <byungchul@sk.com>
• STALE394d [PATCH v15 23/43] dept: apply timeout consideration to dma fence wait
  2025-05-13 · Byungchul Park <byungchul@sk.com>
• STALE394d [PATCH v15 17/43] dept: apply sdt_might_sleep_{start,end}() to dma fence
  2025-05-13 · Byungchul Park <byungchul@sk.com>
• STALE566d [PATCH v14 15/28] dept: Apply sdt_might_sleep_{start,end}() to dma fence wait
  2024-05-08 · Byungchul Park <byungchul@sk.com>
• STALE566d [PATCH v14 21/28] dept: Apply timeout consideration to dma fence wait
  2024-05-08 · Byungchul Park <byungchul@sk.com>
• STALE830d [PATCH v13 21/27] dept: Apply timeout consideration to dma fence wait
  2024-03-06 · Byungchul Park <byungchul@sk.com>
• STALE830d [PATCH v13 15/27] dept: Apply sdt_might_sleep_{start,end}() to dma fence wait
  2024-03-06 · Byungchul Park <byungchul@sk.com>
• STALE844d [PATCH v12 21/27] dept: Apply timeout consideration to dma fence wait
  2024-02-21 · Byungchul Park <byungchul@sk.com>
• STALE844d [PATCH v12 15/27] dept: Apply sdt_might_sleep_{start,end}() to dma fence wait
  2024-02-21 · Byungchul Park <byungchul@sk.com>
• STALE740d [PATCH v11 21/26] dept: Apply timeout consideration to dma fence wait
  2024-01-24 · Byungchul Park <byungchul@sk.com>
• STALE740d [PATCH v11 15/26] dept: Apply sdt_might_sleep_{start,end}() to dma fence wait
  2024-01-24 · Byungchul Park <byungchul@sk.com>
• STALE1028d [RESEND PATCH v10 22/25] dept: Apply timeout consideration to dma fence wait
  2023-08-21 · Byungchul Park <byungchul@sk.com>
• STALE1028d [RESEND PATCH v10 16/25] dept: Apply sdt_might_sleep_{start,end}() to dma fence wait
  2023-08-21 · Byungchul Park <byungchul@sk.com>
• STALE1077d [PATCH v10 rebased on v6.4 22/25] dept: Apply timeout consideration to dma fence wait
  2023-07-03 · Byungchul Park <byungchul@sk.com>
• STALE1077d [PATCH v10 rebased on v6.4 16/25] dept: Apply sdt_might_sleep_{start,end}() to dma fence wait
  2023-07-03 · Byungchul Park <byungchul@sk.com>
• STALE1083d [PATCH v10 22/25] dept: Apply timeout consideration to dma fence wait
  2023-06-26 · Byungchul Park <byungchul@sk.com>
• STALE1083d [PATCH v10 16/25] dept: Apply sdt_might_sleep_{start,end}() to dma fence wait
  2023-06-26 · Byungchul Park <byungchul@sk.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.

• COLD22d [PATCH v18 14/42] dept: apply sdt_might_sleep_{start,end}() to dma fence
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COLD22d [PATCH v18 28/42] dept: assign unique dept_key to each distinct dma fence caller
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE107d [PATCH 56/61] dma-buf: update format string for u64 i_ino
  2026-02-26 · Jeff Layton <jlayton@kernel.org>
• STALE102d [PATCH v2 054/110] dma-buf: use PRIino format for i_ino
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• STALE102d [PATCH v2 107/110] dma-buf: replace PRIino with %llu/%llx format strings
  2026-03-02 · Jeff Layton <jlayton@kernel.org>