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-block (capped at 30), ordered by date desc.

• 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>
• STALE163d LANDED: 11 (8M) [PATCH v9 06/11] dma-buf: provide phys_vec to scatter-gather mapping routine
  2025-11-20 · Leon Romanovsky <leon@kernel.org>
• STALE206d Re: [Linaro-mm-sig] [PATCH v8 06/11] dma-buf: provide phys_vec to scatter-gather mapping routine
  2025-11-20 · Leon Romanovsky <leon@kernel.org>
• STALE206d REVIEWED: 2 (0M) [PATCH v8 06/11] dma-buf: provide phys_vec to scatter-gather mapping routine
  2025-11-11 · Leon Romanovsky <leon@kernel.org>
• STALE208d REVIEWED: 2 (0M) [PATCH v7 06/11] dma-buf: provide phys_vec to scatter-gather mapping routine
  2025-11-06 · Leon Romanovsky <leon@kernel.org>
• STALE179d [PATCH v6 06/11] dma-buf: provide phys_vec to scatter-gather mapping routine
  2025-11-02 · Leon Romanovsky <leon@kernel.org>
• STALE196d [PATCH v17 32/47] dept: assign unique dept_key to each distinct dma fence caller
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE196d [PATCH v17 23/47] dept: apply timeout consideration to dma fence wait
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE196d [PATCH v17 17/47] dept: apply sdt_might_sleep_{start,end}() to dma fence
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE273d [PATCH v1 10/10] vfio/pci: Add dma-buf export support for MMIO regions
  2025-08-04 · Leon Romanovsky <leon@kernel.org>
• STALE319d [PATCH 10/10] vfio/pci: Add dma-buf export support for MMIO regions
  2025-07-23 · Leon Romanovsky <leon@kernel.org>
• STALE325d [PATCH v16 32/42] dept: assign unique dept_key to each distinct dma fence caller
  2025-05-19 · Byungchul Park <byungchul@sk.com>
• STALE325d [PATCH v16 23/42] dept: apply timeout consideration to dma fence wait
  2025-05-19 · Byungchul Park <byungchul@sk.com>
• STALE325d [PATCH v16 17/42] dept: apply sdt_might_sleep_{start,end}() to dma fence
  2025-05-19 · Byungchul Park <byungchul@sk.com>
• STALE395d [PATCH v15 33/43] dept: assign unique dept_key to each distinct dma fence caller
  2025-05-13 · Byungchul Park <byungchul@sk.com>
• STALE395d [PATCH v15 23/43] dept: apply timeout consideration to dma fence wait
  2025-05-13 · Byungchul Park <byungchul@sk.com>
• STALE395d [PATCH v15 17/43] dept: apply sdt_might_sleep_{start,end}() to dma fence
  2025-05-13 · Byungchul Park <byungchul@sk.com>
• STALE732d LANDED [PATCH] tracing/treewide: Remove second parameter of __assign_str()
  2024-05-16 · Steven Rostedt <rostedt@goodmis.org>
• STALE567d [PATCH v14 15/28] dept: Apply sdt_might_sleep_{start,end}() to dma fence wait
  2024-05-08 · Byungchul Park <byungchul@sk.com>
• STALE567d [PATCH v14 21/28] dept: Apply timeout consideration to dma fence wait
  2024-05-08 · Byungchul Park <byungchul@sk.com>
• STALE831d [PATCH v13 21/27] dept: Apply timeout consideration to dma fence wait
  2024-03-06 · Byungchul Park <byungchul@sk.com>
• STALE831d [PATCH v13 15/27] dept: Apply sdt_might_sleep_{start,end}() to dma fence wait
  2024-03-06 · Byungchul Park <byungchul@sk.com>
• STALE822d [FYI][PATCH] tracing/treewide: Remove second parameter of __assign_str()
  2024-02-23 · Steven Rostedt <rostedt@goodmis.org>
• STALE845d [PATCH v12 21/27] dept: Apply timeout consideration to dma fence wait
  2024-02-21 · Byungchul Park <byungchul@sk.com>
• STALE845d [PATCH v12 15/27] dept: Apply sdt_might_sleep_{start,end}() to dma fence wait
  2024-02-21 · Byungchul Park <byungchul@sk.com>
• STALE741d [PATCH v11 21/26] dept: Apply timeout consideration to dma fence wait
  2024-01-24 · Byungchul Park <byungchul@sk.com>
• STALE741d [PATCH v11 15/26] dept: Apply sdt_might_sleep_{start,end}() to dma fence wait
  2024-01-24 · Byungchul Park <byungchul@sk.com>
• STALE875d [PATCH v2 04/16] fs: Increase fmode_t size
  2023-12-12 · John Garry <john.g.garry@oracle.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>