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

Most active threads (last 7 days)

• WARM1d [PATCH v19 00/40] DEPT(DEPendency Tracker)
  2026-07-06 06:21 · 3 replies in 7d · Byungchul Park <byungchul@sk.com>

Recent patches

Most-recent 9 patches in this subsystem on linux-i2c, ordered by date desc.

• WARM1d [PATCH v19 28/40] dept: assign unique dept_key to each distinct dma fence caller
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• WARM1d [PATCH v19 20/40] dept: apply timeout consideration to dma fence wait
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• WARM1d [PATCH v19 14/40] dept: apply sdt_might_sleep_{start,end}() to dma fence
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• WARM2d [PATCH v18 28/42] dept: assign unique dept_key to each distinct dma fence caller
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• WARM2d [PATCH v18 20/42] dept: apply timeout consideration to dma fence wait
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• WARM2d [PATCH v18 14/42] dept: apply sdt_might_sleep_{start,end}() to dma fence
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE219d [PATCH v17 32/47] dept: assign unique dept_key to each distinct dma fence caller
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE219d [PATCH v17 23/47] dept: apply timeout consideration to dma fence wait
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE219d [PATCH v17 17/47] dept: apply sdt_might_sleep_{start,end}() to dma fence
  2025-10-02 · Byungchul Park <byungchul@sk.com>