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-arm-kernel touching this subsystem.

• KVM: guest_memfd: back guest_memfd with an imported dma-buf rfc · 3 matching patches

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

  • [RFC PATCH 2/6] dma-buf: Add get_phys() to describe a physical run 2026-10-05
  • [RFC PATCH 3/6] dma-buf: Add ranged mapping invalidation 2026-10-05
  • [RFC PATCH 4/6] dma-buf: Allow dynamic attach without a device 2026-10-05
  2026-10-05 · Fred Griffoul <hidden>
• coco: guest: Add a shared-granule allocator for host-shared memory v7 · 2 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [RFC PATCH v7 11/13] dma-buf: system_heap: Limit scatterlist entries to the buffer size 2026-09-21
  • [RFC PATCH v7 12/13] dma-buf: system_heap: Allocate shared buffers using CoCo shared memory allocator 2026-09-21
  2026-09-21 · Aneesh Kumar K.V (Arm) <aneesh.kumar@kernel.org>
• file: handle files on syscall exit rfc · 1 matching patch

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

  • [PATCH RFC POC 26/50] dma-buf: stop unwinding sync file descriptors by hand 2026-09-15
  2026-09-15 · Christian Brauner <brauner@kernel.org>
• coco: guest: Enforce host page-size alignment for shared buffers v6 · 1 matching patch

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

  • [PATCH v6 7/9] dma-buf: system_heap: Enforce shared-granule alignment for cc-shared buffers 2026-09-04
  2026-09-04 · Aneesh Kumar K.V (Arm) <aneesh.kumar@kernel.org>
• Clear shared pages after private-to-shared conversion v2 · 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 v2 3/4] dma-buf: heaps: Zero system shared heap pages after conversion 2026-08-20
  • [PATCH v2 4/4] dma-buf: heaps: Fix shared system heap allocation rollback 2026-08-20
  2026-08-20 · Steven Price <steven.price@arm.com>
• Clear shared pages after private-to-shared conversion v1 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 2/2] dma-buf: heaps: Zero system shared heap pages after conversion 2026-08-20
  2026-08-20 · Steven Price <steven.price@arm.com>
• coco: guest: Enforce host page-size alignment for shared buffers v5 · 1 matching patch

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

  • [PATCH v5 07/10] dma-buf: system_heap: Enforce shared-granule alignment for cc-shared buffers 2026-07-06
  2026-07-06 · Aneesh Kumar K.V (Arm) <aneesh.kumar@kernel.org>
• drm/panthor: Protected mode support for Mali CSF GPUs v1 · 2 matching patches

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

  • [PATCH 1/8] dma-heap: Add proper kref handling on dma-buf heaps 2026-05-05
  • [PATCH 2/8] dma-heap: Provide accessors so that in-kernel drivers can allocate dmabufs from specific heaps 2026-05-05
  2026-05-05 · Ketil Johnsen <hidden>
• TEE subsystem for protected dma-buf allocations v12 · 1 matching patch

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

  • [PATCH v12 2/9] dma-buf: dma-heap: export declared functions 2025-09-11
  2025-09-11 · Jens Wiklander <hidden>
• TEE subsystem for protected dma-buf allocations v11 · 1 matching patch

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

  • [PATCH v11 2/9] dma-buf: dma-heap: export declared functions 2025-08-13
  2025-08-13 · Jens Wiklander <hidden>
• TEE subsystem for protected dma-buf allocations v10 · 1 matching patch

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

  • [PATCH v10 2/9] dma-buf: dma-heap: export declared functions 2025-06-10
  2025-06-10 · Jens Wiklander <hidden>
• TEE subsystem for protected dma-buf allocations v9 · 1 matching patch

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

  • [PATCH v9 2/9] dma-buf: dma-heap: export declared functions 2025-05-20
  2025-05-20 · Jens Wiklander <hidden>
• TEE subsystem for protected dma-buf allocations v8 · 1 matching patch

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

  • [PATCH v8 05/14] dma-buf: dma-heap: export declared functions 2025-05-02
  2025-05-02 · Jens Wiklander <hidden>
• 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>
• media: mediatek: add driver to support secure video decoder v7 · 3 matching patches

  Entire posting: PENDING · 1 of 28 landed Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v7 04/28] dma-buf: heaps: Deduplicate docs and adopt common format 2024-07-20
  • [PATCH v7 05/28] dma-heap: Add proper kref handling on dma-buf heaps 2024-07-20
  • [PATCH v7 06/28] dma-heap: Provide accessors so that in-kernel drivers can allocate dmabufs from specific heaps 2024-07-20
  2024-07-20 · Yunfei Dong <yunfei.dong@mediatek.com>
• media: mediatek: add driver to support secure video decoder v6 · 3 matching patches

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

  • [PATCH v6,05/24] dma-buf: heaps: Deduplicate docs and adopt common format 2024-05-16
  • [PATCH v6,06/24] dma-heap: Add proper kref handling on dma-buf heaps 2024-05-16
  • [PATCH v6,07/24] dma-heap: Provide accessors so that in-kernel drivers can allocate dmabufs from specific heaps 2024-05-16
  2024-05-16 · Yunfei Dong <yunfei.dong@mediatek.com>
• 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 v5 · 3 matching patches

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

  • [PATCH v5,05/23] dma-buf: heaps: Deduplicate docs and adopt common format 2024-04-12
  • [PATCH v5,06/23] dma-heap: Add proper kref handling on dma-buf heaps 2024-04-12
  • [PATCH v5,07/23] dma-heap: Provide accessors so that in-kernel drivers can allocate dmabufs from specific heaps 2024-04-12
  2024-04-12 · Yunfei Dong <yunfei.dong@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>
• [PATCH v2] dma-buf: heaps: Introduce cma_heap_add() for non-default CMA heap 2023-11-17 · Jaskaran Singh <hidden>
• 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>
• convert tree to get_random_u32_{below,above,inclusive}() v3 · 1 matching patch

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

  • [PATCH v3 3/3] treewide: use get_random_u32_inclusive() when possible 2022-11-17
  2022-11-17 · Jason A. Donenfeld <Jason@zx2c4.com>
• convert tree to get_random_u32_{below,above,between}() v2 · 1 matching patch

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

  • [PATCH v2 3/3] treewide: use get_random_u32_between() when possible 2022-11-14
  2022-11-14 · Jason A. Donenfeld <Jason@zx2c4.com>
• [PATCH v3] dma-buf: cma_heap: Remove duplicated 'by' in comment 2022-10-28 · Mark-PK Tsai <mark-pk.tsai@mediatek.com>