vfio driver · Maintained

Maintainers

• M Alex Williamson <alex@shazbot.org>

Paths

• F Documentation/ABI/testing/debugfs-vfio
• F Documentation/ABI/testing/sysfs-devices-vfio-dev
• F Documentation/driver-api/vfio.rst
• F drivers/vfio/
• F include/linux/vfio.h
• F include/linux/vfio_pci_core.h
• F include/uapi/linux/vfio.h
• F tools/testing/selftests/vfio/

Last 30 days

Most active threads (last 7 days)

• [PATCH v4 0/3] vfio/dma-buf: add TPH support for peer-to-peer access
  2026-05-19 20:25 · 1 reply in 7d · Zhiping Zhang <hidden>

Recent patches

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

• [PATCH v4 1/3] vfio: add dma-buf get_tph callback and DMA_BUF_TPH feature
  2026-05-19 · Zhiping Zhang <hidden>
• [PATCH v3 1/2] vfio: add dma-buf get_tph callback and DMA_BUF_TPH feature
  2026-05-12 · Zhiping Zhang <hidden>
• [PATCH v2 1/2] vfio: add dma-buf get_tph callback and DMA_BUF_TPH feature
  2026-04-30 · Zhiping Zhang <hidden>
• [RFC PATCH v1 5/9] uaccess: Switch to copy_{to/from}_user_partial() when relevant
  2026-04-27 · "Christophe Leroy (CS GROUP)" <chleroy@kernel.org>
• [PATCH v1 1/2] vfio: add callback to get tph info for dma-buf
  2026-04-20 · Zhiping Zhang <hidden>
• [PATCH 9/9] vfio/pci: Add mmap() attributes to DMABUF feature
  2026-04-16 · Matt Evans <hidden>
• [PATCH 7/9] vfio/pci: Support mmap() of a VFIO DMABUF
  2026-04-16 · Matt Evans <hidden>
• [PATCH 8/9] vfio/pci: Permanently revoke a DMABUF on request
  2026-04-16 · Matt Evans <hidden>
• [PATCH 6/9] vfio/pci: Clean up BAR zap and revocation
  2026-04-16 · Matt Evans <hidden>
• [PATCH 4/9] vfio/pci: Convert BAR mmap() to use a DMABUF
  2026-04-16 · Matt Evans <hidden>
• [PATCH 5/9] vfio/pci: Provide a user-facing name for BAR mappings
  2026-04-16 · Matt Evans <hidden>
• [PATCH 3/9] vfio/pci: Add a helper to create a DMABUF for a BAR-map VMA
  2026-04-16 · Matt Evans <hidden>
• [PATCH 2/9] vfio/pci: Add a helper to look up PFNs for DMABUFs
  2026-04-16 · Matt Evans <hidden>
• [PATCH 1/9] vfio/pci: Fix vfio_pci_dma_buf_cleanup() double-put
  2026-04-16 · Matt Evans <hidden>
• Re: [PATCH RFC 12/26] vfio/pci: Change the DMA-buf exporter to use mapping_type
  2026-04-13 · Jason Gunthorpe <jgg@nvidia.com>
• Re: [RFC v2 1/2] vfio: add callback to get tph info for dmabuf
  2026-04-09 · Leon Romanovsky <leon@kernel.org>
• Re: [RFC v2 1/2] vfio: add callback to get tph info for dmabuf
  2026-03-31 · Leon Romanovsky <leon@kernel.org>
• [RFC v2 1/2] vfio: add callback to get tph info for dmabuf
  2026-03-26 · Zhiping Zhang <hidden>
• [RFC v2 PATCH 09/10] vfio/pci: Add mmap() attributes to DMABUF feature
  2026-03-12 · Matt Evans <hidden>
• [RFC v2 PATCH 10/10] [RFC ONLY] selftests: vfio: Add standalone vfio_dmabuf_mmap_test
  2026-03-12 · Matt Evans <hidden>
• [RFC v2 PATCH 08/10] vfio/pci: Permanently revoke a DMABUF on request
  2026-03-12 · Matt Evans <hidden>
• [RFC v2 PATCH 07/10] vfio/pci: Support mmap() of a VFIO DMABUF
  2026-03-12 · Matt Evans <hidden>
• [RFC v2 PATCH 04/10] vfio/pci: Add a helper to create a DMABUF for a BAR-map VMA
  2026-03-12 · Matt Evans <hidden>
• [RFC v2 PATCH 06/10] vfio/pci: Remove vfio_pci_zap_bars()
  2026-03-12 · Matt Evans <hidden>
• [RFC v2 PATCH 03/10] vfio/pci: Add helper to look up PFNs for DMABUFs
  2026-03-12 · Matt Evans <hidden>
• [RFC v2 PATCH 05/10] vfio/pci: Convert BAR mmap() to use a DMABUF
  2026-03-12 · Matt Evans <hidden>
• [RFC v2 PATCH 02/10] vfio/pci: Clean up DMABUFs before disabling function
  2026-03-12 · Matt Evans <hidden>
• [RFC v2 PATCH 01/10] vfio/pci: Set up VFIO barmap before creating a DMABUF
  2026-03-12 · Matt Evans <hidden>
• [PATCH 46/61] vfio: Prefer IS_ERR_OR_NULL over manual NULL check
  2026-03-10 · Philipp Hahn <hidden>
• [RFC PATCH 3/7] vfio/pci: Support mmap() of a DMABUF
  2026-02-26 · Matt Evans <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.

• [PATCH v2 1/9] vfio/pci: Add vfio_pci_dma_buf_iommufd_map()
  2025-11-21 · Jason Gunthorpe <jgg@nvidia.com> · 2 Reviewed-by, 2 Tested-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.

• [PATCH v6 07/11] vfio: Export vfio device get and put registration helpers
  2025-11-02 · Leon Romanovsky <leon@kernel.org>
• [PATCH v6 08/11] vfio/pci: Share the core device pointer while invoking feature functions
  2025-11-02 · Leon Romanovsky <leon@kernel.org>
• [PATCH v6 11/11] vfio/nvgrace: Support get_dmabuf_phys
  2025-11-02 · Leon Romanovsky <leon@kernel.org>
• [PATCH v6 09/11] vfio/pci: Enable peer-to-peer DMA transactions by default
  2025-11-02 · Leon Romanovsky <leon@kernel.org>
• Re: [PATCH v8 10/11] vfio/pci: Add dma-buf export support for MMIO regions
  2025-11-19 · Leon Romanovsky <leon@kernel.org>
• [PATCH 2/4] vfio: Use dma-buf revoke semantics
  2026-01-11 · Leon Romanovsky <leon@kernel.org>
• [PATCH v3 7/7] vfio: Validate dma-buf revocation semantics
  2026-01-20 · Leon Romanovsky <leon@kernel.org>
• [PATCH v4 2/8] dma-buf: Rename dma_buf_move_notify() to dma_buf_invalidate_mappings()
  2026-01-21 · Leon Romanovsky <leon@kernel.org>
• [PATCH v4 7/8] vfio: Wait for dma-buf invalidation to complete
  2026-01-21 · Leon Romanovsky <leon@kernel.org>
• [PATCH RFC 23/26] iommufd: Use the PAL mapping type instead of a vfio function
  2026-02-18 · Jason Gunthorpe <jgg@nvidia.com>