dma generic offload engine subsystem · Maintained

Maintainers

• M Vinod Koul <vkoul@kernel.org>
• R Frank Li <Frank.Li@kernel.org>

Paths

• F Documentation/devicetree/bindings/dma/
• F Documentation/driver-api/dmaengine/
• F drivers/dma/
• F include/dt-bindings/dma/
• F include/linux/dma/
• F include/linux/dmaengine.h
• F include/linux/of_dma.h

Last 30 days

Most active threads (last 7 days)

• COOLING5d [PATCH v2 0/5] crypto: iaa - Fixes for multi entry SG lists
  2026-08-05 21:20 · 1 reply in 7d · Vinicius Costa Gomes <vinicius.gomes@intel.com>

Active reviewers (last 30 days)

• Manivannan Sadhasivam <mani@kernel.org>
  28 attestations (4 Acked-by, 24 Reviewed-by) · last on 2026-07-23
• Dmitry Baryshkov <hidden>
  8 attestations (8 Reviewed-by) · last on 2026-07-23
• Dmitry Baryshkov <lumag@kernel.org>
  4 attestations (4 Reviewed-by) · last on 2026-07-23
• Vinod Koul <vkoul@kernel.org>
  4 attestations (4 Suggested-by) · last on 2026-07-23
• Bjorn Andersson <andersson@kernel.org>
  4 attestations (4 Reviewed-by) · last on 2026-07-23
• Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
  4 attestations (4 Reviewed-by) · last on 2026-07-23
• Stephan Gerhold <hidden>
  2 attestations (2 Co-developed-by) · last on 2026-07-23
• Dave Jiang <dave.jiang@intel.com>
  1 attestation (1 Reviewed-by) · last on 2026-08-05
• Krzysztof Kozlowski <hidden>
  1 attestation (1 Acked-by) · last on 2026-07-14

Recent patches

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

• COOLING5d REVIEWED: 10 (10M) [PATCH v2 1/5] dmaengine: idxd: assign all engines to group 0 in IAA defaults
  2026-08-05 · Vinicius Costa Gomes <vinicius.gomes@intel.com>
• COLD18d REVIEWED: 21 (21M) [PATCH v24 06/14] dmaengine: qcom: bam_dma: add support for BAM locking
  2026-07-23 · Bartosz Golaszewski <hidden>
• COLD18d REVIEWED: 43 (42M) [PATCH v24 05/14] dmaengine: qcom: bam_dma: Add pipe_lock_supported flag support
  2026-07-23 · Bartosz Golaszewski <hidden>
• COLD18d REVIEWED: 22 (22M) [PATCH v24 04/14] dmaengine: qcom: bam_dma: Extend the driver's device match data
  2026-07-23 · Bartosz Golaszewski <hidden>
• COLD18d REVIEWED: 29 (28M) [PATCH v24 03/14] dmaengine: qcom: bam_dma: convert tasklet to a BH workqueue
  2026-07-23 · Bartosz Golaszewski <hidden>
• COLD18d REVIEWED: 21 (21M) [PATCH v24 02/14] dmaengine: qcom: bam_dma: free interrupt before the clock in error path
  2026-07-23 · Bartosz Golaszewski <hidden>
• COLD18d REVIEWED: 22 (22M) [PATCH v24 01/14] dmaengine: constify struct dma_descriptor_metadata_ops
  2026-07-23 · Bartosz Golaszewski <hidden>
• DORMANTno replies Re: [PATCH v23 06/14] dmaengine: qcom: bam_dma: add support for BAM locking
  2026-07-23 · Stephan Gerhold <hidden>
• COLD19d Re: [PATCH v23 06/14] dmaengine: qcom: bam_dma: add support for BAM locking
  2026-07-22 · Stephan Gerhold <hidden>
• COLD19d REVIEWED: 21 (21M) [PATCH v23 06/14] dmaengine: qcom: bam_dma: add support for BAM locking
  2026-07-21 · Bartosz Golaszewski <hidden>
• COLD19d REVIEWED: 43 (42M) [PATCH v23 05/14] dmaengine: qcom: bam_dma: Add pipe_lock_supported flag support
  2026-07-21 · Bartosz Golaszewski <hidden>
• COLD19d REVIEWED: 22 (22M) [PATCH v23 04/14] dmaengine: qcom: bam_dma: Extend the driver's device match data
  2026-07-21 · Bartosz Golaszewski <hidden>
• COLD19d REVIEWED: 29 (28M) [PATCH v23 03/14] dmaengine: qcom: bam_dma: convert tasklet to a BH workqueue
  2026-07-21 · Bartosz Golaszewski <hidden>
• COLD19d REVIEWED: 21 (21M) [PATCH v23 02/14] dmaengine: qcom: bam_dma: free interrupt before the clock in error path
  2026-07-21 · Bartosz Golaszewski <hidden>
• COLD19d REVIEWED: 22 (22M) [PATCH v23 01/14] dmaengine: constify struct dma_descriptor_metadata_ops
  2026-07-21 · Bartosz Golaszewski <hidden>
• COLD22d REVIEWED: 21 (21M) [PATCH v22 06/14] dmaengine: qcom: bam_dma: add support for BAM locking
  2026-07-17 · Bartosz Golaszewski <hidden>
• COLD22d REVIEWED: 43 (42M) [PATCH v22 05/14] dmaengine: qcom: bam_dma: Add pipe_lock_supported flag support
  2026-07-17 · Bartosz Golaszewski <hidden>
• COLD22d REVIEWED: 29 (28M) [PATCH v22 03/14] dmaengine: qcom: bam_dma: convert tasklet to a BH workqueue
  2026-07-17 · Bartosz Golaszewski <hidden>
• COLD22d REVIEWED: 22 (22M) [PATCH v22 04/14] dmaengine: qcom: bam_dma: Extend the driver's device match data
  2026-07-17 · Bartosz Golaszewski <hidden>
• COLD22d REVIEWED: 21 (21M) [PATCH v22 02/14] dmaengine: qcom: bam_dma: free interrupt before the clock in error path
  2026-07-17 · Bartosz Golaszewski <hidden>
• COLD22d REVIEWED: 22 (22M) [PATCH v22 01/14] dmaengine: constify struct dma_descriptor_metadata_ops
  2026-07-17 · Bartosz Golaszewski <hidden>
• COOLING13d REVIEWED: 1 (0M) [PATCH v4 5/6] dt-bindings: dma: qcom,bam-dma: Increase iommus maxItems to 7
  2026-07-14 · Kuldeep Singh <hidden>
• COLD27d [PATCH 1/4] dmaengine: idxd: assign all engines to group 0 in IAA defaults
  2026-07-14 · Vinicius Costa Gomes <vinicius.gomes@intel.com>
• COLD25d REVIEWED: 21 (21M) [PATCH v21 06/14] dmaengine: qcom: bam_dma: add support for BAM locking
  2026-07-13 · Bartosz Golaszewski <hidden>
• COLD25d REVIEWED: 43 (42M) [PATCH v21 05/14] dmaengine: qcom: bam_dma: Add pipe_lock_supported flag support
  2026-07-13 · Bartosz Golaszewski <hidden>
• COLD25d REVIEWED: 22 (22M) [PATCH v21 04/14] dmaengine: qcom: bam_dma: Extend the driver's device match data
  2026-07-13 · Bartosz Golaszewski <hidden>
• COLD25d REVIEWED: 29 (28M) [PATCH v21 03/14] dmaengine: qcom: bam_dma: convert tasklet to a BH workqueue
  2026-07-13 · Bartosz Golaszewski <hidden>
• COLD25d REVIEWED: 21 (21M) [PATCH v21 02/14] dmaengine: qcom: bam_dma: free interrupt before the clock in error path
  2026-07-13 · Bartosz Golaszewski <hidden>
• COLD25d REVIEWED: 22 (22M) [PATCH v21 01/14] dmaengine: constify struct dma_descriptor_metadata_ops
  2026-07-13 · Bartosz Golaszewski <hidden>
• COLD28d [PATCH v3 5/6] dt-bindings: dma: qcom,bam-dma: Increase iommus maxItems to 7
  2026-07-06 · Kuldeep Singh <hidden>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• STALE154d REVIEWED: 8 (7M) [PATCH RFC v11 09/12] dmaengine: qcom: bam_dma: convert tasklet to a BH workqueue
  2026-03-02 · Bartosz Golaszewski <hidden> · 2 Reviewed-by
• STALE154d REVIEWED: 1 (1M) [PATCH RFC v11 10/12] dmaengine: qcom: bam_dma: Extend the driver's device match data
  2026-03-02 · Bartosz Golaszewski <hidden> · 1 Reviewed-by
• STALE154d REVIEWED: 1 (0M) [PATCH RFC v11 11/12] dmaengine: qcom: bam_dma: Add pipe_lock_supported flag support
  2026-03-02 · Bartosz Golaszewski <hidden> · 1 Reviewed-by
• STALE153d REVIEWED: 8 (7M) [PATCH v12 02/12] dmaengine: qcom: bam_dma: convert tasklet to a BH workqueue
  2026-03-10 · Bartosz Golaszewski <hidden> · 2 Reviewed-by
• STALE153d REVIEWED: 1 (1M) [PATCH v12 03/12] dmaengine: qcom: bam_dma: Extend the driver's device match data
  2026-03-10 · Bartosz Golaszewski <hidden> · 1 Reviewed-by
• STALE153d REVIEWED: 1 (0M) [PATCH v12 04/12] dmaengine: qcom: bam_dma: Add pipe_lock_supported flag support
  2026-03-10 · Bartosz Golaszewski <hidden> · 1 Reviewed-by
• STALE141d REVIEWED: 21 (21M) [PATCH v13 01/12] dmaengine: constify struct dma_descriptor_metadata_ops
  2026-03-17 · Bartosz Golaszewski <hidden> · 1 Reviewed-by
• STALE141d REVIEWED: 29 (28M) [PATCH v13 02/12] dmaengine: qcom: bam_dma: convert tasklet to a BH workqueue
  2026-03-17 · Bartosz Golaszewski <hidden> · 3 Reviewed-by
• STALE141d REVIEWED: 22 (22M) [PATCH v13 03/12] dmaengine: qcom: bam_dma: Extend the driver's device match data
  2026-03-17 · Bartosz Golaszewski <hidden> · 2 Reviewed-by
• STALE141d REVIEWED: 1 (0M) [PATCH v13 04/12] dmaengine: qcom: bam_dma: Add pipe_lock_supported flag support
  2026-03-17 · Bartosz Golaszewski <hidden> · 1 Reviewed-by

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.

• STALE154d [PATCH RFC v11 08/12] dmaengine: constify struct dma_descriptor_metadata_ops
  2026-03-02 · Bartosz Golaszewski <hidden>
• STALE138d [PATCH 08/17] raid6: hide internals
  2026-03-24 · Christoph Hellwig <hch@lst.de>
• COLD46d [PATCH 09/19] raid6: hide internals
  2026-05-12 · Christoph Hellwig <hch@lst.de>
• STALE62d [PATCH 2/3] dt-bindings: bam-dma: Increase maxItems to seven for iommus
  2026-05-14 · Kuldeep Singh <hidden>