xen swiotlb subsystem · Supported

Maintainers

• M Juergen Gross <jgross@suse.com>
• M Stefano Stabellini <sstabellini@kernel.org>

Paths

• F arch/*/include/asm/xen/swiotlb-xen.h
• F drivers/xen/swiotlb-xen.c
• F include/xen/arm/swiotlb-xen.h
• F include/xen/swiotlb-xen.h

Last 30 days

Most active threads (last 7 days)

• HOTtoday [PATCH v8 00/23] dma-mapping: Track shared DMA state through direct, pool and swiotlb paths
  2026-07-17 18:08 · 2 replies in 7d · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>

Active reviewers (last 30 days)

• Michael Kelley <hidden>
  4 attestations (4 Tested-by) · last on 2026-07-17
• Mostafa Saleh <smostafa@google.com>
  4 attestations (4 Tested-by) · last on 2026-07-17
• Petr Tesarik <hidden>
  4 attestations (4 Reviewed-by) · last on 2026-07-17
• Jason Gunthorpe <jgg@nvidia.com>
  2 attestations (2 Reviewed-by) · last on 2026-07-17
• Jiri Pirko <hidden>
  2 attestations (2 Tested-by) · last on 2026-07-17

Recent patches

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

• HOTtoday REVIEWED: 10 (7M) [PATCH v8 15/23] dma-direct: pass attrs to dma_capable() for DMA_ATTR_CC_SHARED checks
  2026-07-17 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• HOTtoday REVIEWED: 9 (7M) [PATCH v8 12/23] dma: swiotlb: pass mapping attributes by reference
  2026-07-17 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• WARM1d REVIEWED: 4 (1M) [PATCH v7 15/22] dma-direct: pass attrs to dma_capable() for DMA_ATTR_CC_SHARED checks
  2026-07-01 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• WARM1d REVIEWED: 3 (1M) [PATCH v7 12/22] dma: swiotlb: pass mapping attributes by reference
  2026-07-01 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• COOLING11d REVIEWED: 3 (1M) [PATCH v6 08/20] dma-direct: pass attrs to dma_capable() for DMA_ATTR_CC_SHARED checks
  2026-06-04 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• COOLING11d REVIEWED: 2 (1M) [PATCH v6 05/20] dma: swiotlb: pass mapping attributes by reference
  2026-06-04 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• COLD39d REVIEWED: 1 (0M) [PATCH v5 09/20] dma-direct: pass attrs to dma_capable() for DMA_ATTR_CC_SHARED checks
  2026-05-22 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• COLD39d [PATCH v5 06/20] dma: swiotlb: pass mapping attributes by reference
  2026-05-22 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• COLD57d [PATCH v4 06/13] dma-direct: pass attrs to dma_capable() for DMA_ATTR_CC_SHARED checks
  2026-05-12 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• STALE150d LANDED: 6 (6M) [PATCH v5 05/14] xen: swiotlb: Switch to physical address mapping callbacks
  2025-10-15 · Leon Romanovsky <leon@kernel.org>
• STALE297d LANDED: 13 (13M) [PATCH v6 10/16] xen: swiotlb: Open code map_resource callback
  2025-09-09 · Leon Romanovsky <leon@kernel.org>
• STALE315d REVIEWED: 13 (13M) [PATCH v5 10/16] xen: swiotlb: Open code map_resource callback
  2025-09-02 · Leon Romanovsky <leon@kernel.org>
• STALE312d REVIEWED: 7 (7M) [PATCH v4 10/16] xen: swiotlb: Open code map_resource callback
  2025-08-19 · Leon Romanovsky <leon@kernel.org>
• STALE335d REVIEWED: 7 (7M) [PATCH v3 10/16] xen: swiotlb: Open code map_resource callback
  2025-08-14 · Leon Romanovsky <leon@kernel.org>
• STALE337d REVIEWED: 7 (7M) [PATCH v2 10/16] xen: swiotlb: Open code map_resource callback
  2025-08-14 · Leon Romanovsky <leon@kernel.org>
• STALE337d [PATCH v1 10/16] xen: swiotlb: Open code map_resource callback
  2025-08-04 · Leon Romanovsky <leon@kernel.org>
• STALE1496d [PATCH RFC v1 3/7] swiotlb-xen: support highmem for xen specific code
  2022-06-09 · Dongli Zhang <hidden>
• STALE1496d [PATCH RFC v1 2/7] swiotlb: change the signature of remap function
  2022-06-09 · Dongli Zhang <hidden>
• STALE1507d REVIEWED: 4 (4M) [PATCH 13/15] swiotlb: merge swiotlb-xen initialization into swiotlb
  2022-04-04 · Christoph Hellwig <hch@lst.de>
• STALE1507d [PATCH 09/15] swiotlb: make the swiotlb_init interface more useful
  2022-04-04 · Christoph Hellwig <hch@lst.de>
• STALE1507d REVIEWED: 1 (0M) [PATCH 03/15] swiotlb: simplify swiotlb_max_segment
  2022-04-04 · Christoph Hellwig <hch@lst.de>
• STALE1585d [PATCH 13/15] swiotlb: merge swiotlb-xen initialization into swiotlb
  2022-03-14 · Christoph Hellwig <hch@lst.de>
• STALE1585d [PATCH 09/15] swiotlb: make the swiotlb_init interface more useful
  2022-03-14 · Christoph Hellwig <hch@lst.de>
• STALE1585d REVIEWED: 1 (0M) [PATCH 03/15] swiotlb: simplify swiotlb_max_segment
  2022-03-14 · Christoph Hellwig <hch@lst.de>
• STALE1591d [PATCH 11/12] swiotlb: merge swiotlb-xen initialization into swiotlb
  2022-03-01 · Christoph Hellwig <hch@lst.de>
• STALE1591d [PATCH 09/12] swiotlb: make the swiotlb_init interface more useful
  2022-03-01 · Christoph Hellwig <hch@lst.de>
• STALE1591d REVIEWED: 1 (0M) [PATCH 03/12] swiotlb: simplify swiotlb_max_segment
  2022-03-01 · Christoph Hellwig <hch@lst.de>
• STALE1599d [PATCH 10/11] swiotlb: merge swiotlb-xen initialization into swiotlb
  2022-02-27 · Christoph Hellwig <hch@lst.de>
• STALE1599d [PATCH 08/11] swiotlb: make the swiotlb_init interface more useful
  2022-02-27 · Christoph Hellwig <hch@lst.de>
• STALE1599d REVIEWED: 1 (0M) [PATCH 03/11] swiotlb: simplify swiotlb_max_segment
  2022-02-27 · Christoph Hellwig <hch@lst.de>

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.

• COLD57d [PATCH v4 06/13] dma-direct: pass attrs to dma_capable() for DMA_ATTR_CC_SHARED checks
  2026-05-12 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• COLD39d [PATCH v5 06/20] dma: swiotlb: pass mapping attributes by reference
  2026-05-22 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>