dma buffer sharing framework

Most active threads (last 7 days)

No active threads in the last 7 days.

Recent patches

Latest 30 postings or standalone patches (up to 30), newest first. Counts below cover matching patches in linux-devicetree touching this subsystem.

• dma-buf: heaps: Add support for Tegra VPR v6 · 2 matching patches

  Entire posting: PENDING · 4 of 12 reviewed Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v6 08/12] dma-buf: heaps: Add debugfs support 2026-09-04
  • [PATCH v6 09/12] dma-buf: heaps: Add support for Tegra VPR 2026-09-04
  2026-09-04 · Thierry Reding <thierry.reding@kernel.org>
• dma-buf: heaps: Add support for Tegra VPR v5 · 2 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v5 06/10] dma-buf: heaps: Add debugfs support 2026-08-14
  • [PATCH v5 07/10] dma-buf: heaps: Add support for Tegra VPR 2026-08-14
  2026-08-14 · Thierry Reding <thierry.reding@kernel.org>
• dma-buf: heaps: Add support for Tegra VPR v4 · 2 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v4 06/10] dma-buf: heaps: Add debugfs support 2026-08-07
  • [PATCH v4 07/10] dma-buf: heaps: Add support for Tegra VPR 2026-08-07
  2026-08-07 · Thierry Reding <thierry.reding@kernel.org>
• dma-buf: heaps: Add support for Tegra VPR v3 · 2 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v3 07/11] dma-buf: heaps: Add debugfs support 2026-07-01
  • [PATCH v3 08/11] dma-buf: heaps: Add support for Tegra VPR 2026-07-01
  2026-07-01 · Thierry Reding <thierry.reding@kernel.org>
• dma-buf: heaps: add coherent reserved-memory heap v3 · 4 matching patches

  Entire posting: PENDING · 1 of 6 reviewed Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v3 1/6] dma-buf: dma-heap: Keep track of the heap device struct 2026-03-06
  • [PATCH v3 2/6] dma-buf: dma-heap: split dma_heap_add 2026-03-06
  • [PATCH v3 5/6] dma-buf: heaps: Add Coherent heap to dmabuf heaps 2026-03-06
  • [PATCH v3 6/6] dma-buf: heaps: coherent: Turn heap into a module 2026-03-06
  2026-03-06 · Albert Esteve <hidden>
• dma-buf: heaps: add coherent reserved-memory heap v2 · 4 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v2 1/6] dma-buf: dma-heap: Keep track of the heap device struct 2026-03-03
  • [PATCH v2 2/6] dma-buf: dma-heap: split dma_heap_add 2026-03-03
  • [PATCH v2 4/6] dma-buf: heaps: Add Coherent heap to dmabuf heaps 2026-03-03
  • [PATCH v2 6/6] dma-buf: heaps: coherent: Turn heap into a module 2026-03-03
  2026-03-03 · Albert Esteve <hidden>
• dma-bug: heaps: Add Tegra VPR support v2 · 3 matching patches

  Entire posting: PENDING · 1 of 10 reviewed Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v2 04/10] mm/cma: Allow dynamically creating CMA areas 2026-01-22
  • [PATCH v2 05/10] dma-buf: heaps: Add debugfs support 2026-01-22
  • [PATCH v2 06/10] dma-buf: heaps: Add support for Tegra VPR 2026-01-22
  2026-01-22 · Thierry Reding <thierry.reding@kernel.org>
• dma-buf: heaps: Add Tegra VPR support v1 · 2 matching patches

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 4/9] dma-buf: heaps: Add debugfs support 2025-09-02
  • [PATCH 5/9] dma-buf: heaps: Add support for Tegra VPR 2025-09-02
  2025-09-02 · Thierry Reding <hidden>
• dma-buf: heaps: Create a CMA heap for each CMA reserved region v7 · 2 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v7 2/5] dma-buf: heaps: cma: Register list of CMA regions at boot 2025-07-21
  • [PATCH v7 5/5] dma-buf: heaps: cma: Create CMA heap for each CMA reserved region 2025-07-21
  2025-07-21 · Maxime Ripard <mripard@kernel.org>
• dma-buf: heaps: Create a CMA heap for each CMA reserved region v6 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v6 2/2] dma-buf: heaps: cma: Create CMA heap for each CMA reserved region 2025-07-09
  2025-07-09 · Maxime Ripard <mripard@kernel.org>
• dma-buf: heaps: Support carved-out heaps v5 · 1 matching patch

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v5 2/2] dma-buf: heaps: Introduce a new heap for reserved memory 2025-06-17
  2025-06-17 · Maxime Ripard <mripard@kernel.org>
• [PATCH v4] dma-buf: heaps: Introduce a new heap for reserved memory 2025-05-20 · Maxime Ripard <mripard@kernel.org>
• dma-buf: heaps: Support carved-out heaps v3 · 2 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v3 1/2] dma-buf: heaps: system: Remove global variable 2025-04-07
  • [PATCH v3 2/2] dma-buf: heaps: Introduce a new heap for reserved memory 2025-04-07
  2025-04-07 · Maxime Ripard <mripard@kernel.org>
• dma-buf: heaps: Support carved-out heaps v2 · 2 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v2 1/2] dma-buf: heaps: system: Remove global variable 2025-04-01
  • [PATCH v2 2/2] dma-buf: heaps: Introduce a new heap for reserved memory 2025-04-01
  2025-04-01 · Maxime Ripard <mripard@kernel.org>
• drm/panthor: Protected mode support for Mali CSF GPUs rfc · 1 matching patch

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [RFC PATCH 2/5] cma-heap: Allow registration of custom cma heaps 2025-01-30
  2025-01-30 · Florent Tomasin <hidden>
• Linaro restricted heap rfc · 2 matching patches

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [RFC PATCH 1/4] dma-buf: heaps: restricted_heap: add no_map attribute 2024-08-30
  • [RFC PATCH 4/4] dma-buf: heaps: add Linaro restricted dmabuf heap support 2024-08-30
  2024-08-30 · Jens Wiklander <hidden>
• dma-buf: heaps: Support carved-out heaps and ECC related-flags v1 · 6 matching patches

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 1/8] dma-buf: heaps: Introduce a new heap for reserved memory 2024-05-15
  • [PATCH 4/8] dma-buf: heaps: Add ECC protection flags 2024-05-15
  • [PATCH 5/8] dma-buf: heaps: system: Remove global variable 2024-05-15
  • [PATCH 6/8] dma-buf: heaps: system: Handle ECC flags 2024-05-15
  • [PATCH 7/8] dma-buf: heaps: cma: Handle ECC flags 2024-05-15
  • [PATCH 8/8] dma-buf: heaps: carveout: Handle ECC flags 2024-05-15
  2024-05-15 · Maxime Ripard <mripard@kernel.org>
• dma-buf: heaps: Add restricted heap v5 · 7 matching patches

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v5 3/9] lib/scatterlist: Add sg_dup_table 2024-05-15
  • [PATCH v5 4/9] dma-buf: heaps: Initialize a restricted heap 2024-05-15
  • [PATCH v5 5/9] dma-buf: heaps: restricted_heap: Add private heap ops 2024-05-15
  • [PATCH v5 6/9] dma-buf: heaps: restricted_heap: Add dma_ops 2024-05-15
  • [PATCH v5 7/9] dma-buf: heaps: restricted_heap: Add MediaTek restricted heap and heap_init 2024-05-15
  • [PATCH v5 8/9] dma-buf: heaps: restricted_heap_mtk: Add TEE memory service call 2024-05-15
  • [PATCH v5 9/9] dma_buf: heaps: restricted_heap_mtk: Add a new CMA heap 2024-05-15
  2024-05-15 · Yong Wu <yong.wu@mediatek.com>
• media: add driver to support secure video decoder v4 · 3 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v4,05/22] dma-buf: heaps: Deduplicate docs and adopt common format 2024-01-29
  • [PATCH v4,06/22] dma-heap: Add proper kref handling on dma-buf heaps 2024-01-29
  • [PATCH v4,07/22] dma-heap: Provide accessors so that in-kernel drivers can allocate dmabufs from specific heaps 2024-01-29
  2024-01-29 · Yunfei Dong <yunfei.dong@mediatek.com>
• dma-buf: heaps: Add restricted heap v4 · 6 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v4 2/7] dma-buf: heaps: Initialize a restricted heap 2024-01-12
  • [PATCH v4 3/7] dma-buf: heaps: restricted_heap: Add private heap ops 2024-01-12
  • [PATCH v4 4/7] dma-buf: heaps: restricted_heap: Add dma_ops 2024-01-12
  • [PATCH v4 5/7] dma-buf: heaps: restricted_heap: Add MediaTek restricted heap and heap_init 2024-01-12
  • [PATCH v4 6/7] dma-buf: heaps: restricted_heap_mtk: Add TEE memory service call 2024-01-12
  • [PATCH v4 7/7] dma_buf: heaps: restricted_heap_mtk: Add a new CMA heap 2024-01-12
  2024-01-12 · Yong Wu <yong.wu@mediatek.com>
• dma-buf: heaps: Add secure heap v3 · 6 matching patches

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v3 2/7] dma-buf: heaps: Initialize a secure heap 2023-12-12
  • [PATCH v3 3/7] dma-buf: heaps: secure_heap: Add private heap ops 2023-12-12
  • [PATCH v3 4/7] dma-buf: heaps: secure_heap: Add dma_ops 2023-12-12
  • [PATCH v3 5/7] dma-buf: heaps: secure_heap: Add MediaTek secure heap and heap_init 2023-12-12
  • [PATCH v3 6/7] dma-buf: heaps: secure_heap_mtk: Add tee memory service call 2023-12-12
  • [PATCH v3 7/7] dma_buf: heaps: secure_heap_mtk: Add a new CMA heap 2023-12-12
  2023-12-12 · Yong Wu <yong.wu@mediatek.com>
• add driver to support secure video decoder v3 · 3 matching patches

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v3,05/21] dma-buf: heaps: Deduplicate docs and adopt common format 2023-12-06
  • [PATCH v3,06/21] dma-heap: Add proper kref handling on dma-buf heaps 2023-12-06
  • [PATCH v3,07/21] dma-heap: Provide accessors so that in-kernel drivers can allocate dmabufs from specific heaps 2023-12-06
  2023-12-06 · Yunfei Dong <yunfei.dong@mediatek.com>
• dma-buf: heaps: Add secure heap v2 · 7 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v2 1/8] dma-buf: heaps: Initialize a secure heap 2023-11-11
  • [PATCH v2 2/8] dma-buf: heaps: secure_heap: Add private heap ops 2023-11-11
  • [PATCH v2 3/8] dma-buf: heaps: secure_heap: Initialize tee session 2023-11-11
  • [PATCH v2 4/8] dma-buf: heaps: secure_heap: Add tee memory service call 2023-11-11
  • [PATCH v2 5/8] dma-buf: heaps: secure_heap: Add dma_ops 2023-11-11
  • [PATCH v2 7/8] dma_buf: heaps: secure_heap: Add a new MediaTek CMA heap 2023-11-11
  • [PATCH v2 8/8] dma-buf: heaps: secure_heap: Add normal CMA heap 2023-11-11
  2023-11-11 · Yong Wu <yong.wu@mediatek.com>
• add driver to support secure video decoder v2 · 3 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v2,05/21] dma-buf: heaps: Deduplicate docs and adopt common format 2023-11-06
  • [PATCH v2,06/21] dma-heap: Add proper kref handling on dma-buf heaps 2023-11-06
  • [PATCH v2,07/21] dma-heap: Provide accessors so that in-kernel drivers can allocate dmabufs from specific heaps 2023-11-06
  2023-11-06 · Yunfei Dong <yunfei.dong@mediatek.com>
• dma-buf: heaps: Add MediaTek secure heap v1 · 8 matching patches

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 1/9] dma-buf: heaps: Deduplicate docs and adopt common format 2023-09-11
  • [PATCH 2/9] dma-heap: Add proper kref handling on dma-buf heaps 2023-09-11
  • [PATCH 3/9] dma-heap: Provide accessors so that in-kernel drivers can allocate dmabufs from specific heaps 2023-09-11
  • [PATCH 4/9] dma-buf: heaps: Initialise MediaTek secure heap 2023-09-11
  • [PATCH 5/9] dma-buf: heaps: mtk_sec_heap: Initialise tee session 2023-09-11
  • [PATCH 6/9] dma-buf: heaps: mtk_sec_heap: Add tee service call for buffer allocating/freeing 2023-09-11
  • [PATCH 7/9] dma-buf: heaps: mtk_sec_heap: Add dma_ops 2023-09-11
  • [PATCH 9/9] dma_buf: heaps: mtk_sec_heap: Add a new CMA heap 2023-09-11
  2023-09-11 · Yong Wu <yong.wu@mediatek.com>
• Chunk Heap Support on DMA-HEAP v4 · 2 matching patches

  Entire posting: PENDING · 2 of 4 reviewed Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v4 1/4] mm: cma: introduce gfp flag in cma_alloc instead of no_warn 2021-01-21
  • [PATCH v4 4/4] dma-buf: heaps: add chunk heap to dmabuf heaps 2021-01-21
  2021-01-21 · Minchan Kim <minchan@kernel.org>
• Chunk Heap Support on DMA-HEAP v3 · 2 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v3 1/4] mm: cma: introduce gfp flag in cma_alloc instead of no_warn 2021-01-13
  • [PATCH v3 4/4] dma-buf: heaps: add chunk heap to dmabuf heaps 2021-01-13
  2021-01-13 · Minchan Kim <minchan@kernel.org>
• Chunk Heap Support on DMA-HEAP v2 · 2 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v2 3/4] dma-buf: add export symbol for dma-heap 2020-12-01
  • [PATCH v2 4/4] dma-buf: heaps: add chunk heap to dmabuf heaps 2020-12-01
  2020-12-01 · Minchan Kim <minchan@kernel.org>
• Chunk Heap Support on DMA-HEAP v1 · 2 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 2/4] dma-buf: add export symbol for dma-heap 2020-11-17
  • [PATCH 3/4] dma-buf: heaps: add chunk heap to dmabuf heaps 2020-11-17
  2020-11-17 · Minchan Kim <minchan@kernel.org>
• Chunk Heap Support on DMA-HEAP v1 · 2 matching patches

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 1/3] dma-buf: add missing EXPORT_SYMBOL_GPL() for dma heaps 2020-08-18
  • [PATCH 2/3] dma-buf: heaps: add chunk heap to dmabuf heaps 2020-08-18
  2020-08-18 · Hyesoo Yu <hidden>