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)

• WARM3d [PATCH 5.10 5.15] vfio/iommu_type1: replace kfree with kvfree
  2026-06-19 15:04 · 0 replies in 7d · Nikolay Kuratov <hidden>

Active reviewers (last 30 days)

• Sashiko AI Review <sashiko-bot@kernel.org>
  1 attestation (1 Reported-by) · last on 2026-06-15
• Yuhao Jiang <hidden>
  1 attestation (1 Reported-by) · last on 2026-06-02

Recent patches

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

• WARM3d [PATCH 5.10 5.15] vfio/iommu_type1: replace kfree with kvfree
  2026-06-19 · Nikolay Kuratov <hidden>
• WARM2d [PATCH] vfio: Request THP-aligned mmap for device fds
  2026-06-16 · Anthony Pighin <hidden>
• COOLING7d [PATCH v3 7/6] vfio: Remove device debugfs before releasing devres
  2026-06-15 · Alex Williamson <hidden>
• COOLING7d [PATCH v3 4/6] vfio/mlx5: Fix racy bitfields and tighten struct layout
  2026-06-15 · Alex Williamson <hidden>
• COOLING7d [PATCH v3 3/6] vfio/pci: Fix racy bitfields and tighten struct layout
  2026-06-15 · Alex Williamson <hidden>
• COOLING7d [PATCH v3 2/6] vfio/pci: Release the VGA arbiter client on register_device() failure
  2026-06-15 · Alex Williamson <hidden>
• COOLING7d [PATCH v3 1/6] vfio/pci: Latch disable_idle_d3 per device
  2026-06-15 · Alex Williamson <hidden>
• COOLING9d [PATCH v2 4/5] vfio/mlx5: Fix racy bitfields and tighten struct layout
  2026-06-11 · Alex Williamson <hidden>
• COOLING9d [PATCH v2 3/5] vfio/pci: Fix racy bitfields and tighten struct layout
  2026-06-11 · Alex Williamson <hidden>
• COOLING9d [PATCH v2 2/5] vfio/pci: Release the VGA arbiter client on register_device() failure
  2026-06-11 · Alex Williamson <hidden>
• COOLING9d [PATCH v2 1/5] vfio/pci: Latch disable_idle_d3 per device
  2026-06-11 · Alex Williamson <hidden>
• COOLING13d [PATCH 1/2] vfio/pci: Latch disable_idle_d3 per device
  2026-06-11 · Alex Williamson <hidden>
• COLD19d IN LINUX-NEXT [PATCH] vfio: prevent infinite loop in vfio_mig_get_next_state() on blocked arc
  2026-06-02 · Junrui Luo <hidden>
• COLD23d Re: Linux 7.0.11
  2026-06-01 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD25d [PATCH 7.0 327/461] vfio/pci: Check BAR resources before exporting a DMABUF
  2026-05-28 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD32d Re: Linux 7.0.10
  2026-05-23 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.18.33
  2026-05-23 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD26d Re: Linux 6.12.91
  2026-05-23 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD28d REVIEWED: 19 (19M) [PATCH 6.12 025/666] bus: fsl-mc: use generic driver_override infrastructure
  2026-05-20 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD28d REVIEWED: 7 (5M) [PATCH 6.12 022/666] PCI: use generic driver_override infrastructure
  2026-05-20 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD28d [PATCH 6.18 356/957] vfio: unhide vdev->debug_root
  2026-05-20 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD28d REVIEWED: 8 (7M) [PATCH 6.18 114/957] drivers/vfio_pci_core: Change PXD_ORDER check from switch case to if/else block
  2026-05-20 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD28d REVIEWED: 1 (1M) [PATCH 6.18 113/957] vfio: refactor vfio_pci_mmap_huge_fault function
  2026-05-20 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD28d REVIEWED: 19 (19M) [PATCH 6.18 034/957] bus: fsl-mc: use generic driver_override infrastructure
  2026-05-20 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD28d REVIEWED: 7 (5M) [PATCH 6.18 030/957] PCI: use generic driver_override infrastructure
  2026-05-20 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD33d REVIEWED: 12 (12M) [PATCH 7.0 0824/1146] vfio/pci: Clean up DMABUFs before disabling function
  2026-05-20 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD33d [PATCH 7.0 0461/1146] vfio: unhide vdev->debug_root
  2026-05-20 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD33d REVIEWED: 1 (1M) [PATCH 7.0 0458/1146] vfio: selftests: Build tests on aarch64
  2026-05-20 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD33d REVIEWED: 2 (1M) [PATCH 7.0 0451/1146] vfio: selftests: fix crash in vfio_dma_mapping_mmio_test
  2026-05-20 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD33d REVIEWED: 8 (7M) [PATCH 7.0 0139/1146] drivers/vfio_pci_core: Change PXD_ORDER check from switch case to if/else block
  2026-05-20 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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.

• STALE169d REVIEWED: 1 (0M) FAILED: patch "[PATCH] vfio/pci: Disable qword access to the PCI ROM bar" failed to apply to 6.18-stable tree
  2026-01-05 · <gregkh@linuxfoundation.org> · 1 Tested-by
• STALE169d REVIEWED: 1 (0M) FAILED: patch "[PATCH] vfio/pci: Disable qword access to the PCI ROM bar" failed to apply to 6.6-stable tree
  2026-01-05 · <gregkh@linuxfoundation.org> · 1 Tested-by
• STALE169d REVIEWED: 1 (0M) FAILED: patch "[PATCH] vfio/pci: Disable qword access to the PCI ROM bar" failed to apply to 6.12-stable tree
  2026-01-05 · <gregkh@linuxfoundation.org> · 1 Tested-by
• DORMANTno replies REVIEWED: 1 (0M) FAILED: patch "[PATCH] vfio/pci: Disable qword access to the PCI ROM bar" failed to apply to 6.1-stable tree
  2026-01-05 · <gregkh@linuxfoundation.org> · 1 Tested-by
• DORMANTno replies REVIEWED: 1 (0M) FAILED: patch "[PATCH] vfio/pci: Disable qword access to the PCI ROM bar" failed to apply to 5.10-stable tree
  2026-01-05 · <gregkh@linuxfoundation.org> · 1 Tested-by
• DORMANTno replies REVIEWED: 1 (0M) FAILED: patch "[PATCH] vfio/pci: Disable qword access to the PCI ROM bar" failed to apply to 5.15-stable tree
  2026-01-05 · <gregkh@linuxfoundation.org> · 1 Tested-by
• DORMANTno replies REVIEWED: 1 (0M) [PATCH 6.18.y] vfio/pci: Disable qword access to the PCI ROM bar
  2026-01-06 · Kevin Tian <kevin.tian@intel.com> · 1 Tested-by
• DORMANTno replies REVIEWED: 1 (0M) [PATCH 6.12.y] vfio/pci: Disable qword access to the PCI ROM bar
  2026-01-06 · Kevin Tian <kevin.tian@intel.com> · 1 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.

• STALE197d [PATCH v6 6/9] s390/pci: Store PCI error information for passthrough devices
  2025-12-01 · Farhan Ali <alifm@linux.ibm.com>
• STALE197d [PATCH v6 7/9] vfio-pci/zdev: Add a device feature for error information
  2025-12-01 · Farhan Ali <alifm@linux.ibm.com>
• STALE197d [PATCH v6 8/9] vfio: Add a reset_done callback for vfio-pci driver
  2025-12-01 · Farhan Ali <alifm@linux.ibm.com>
• STALE197d [PATCH v6 9/9] vfio: Remove the pcie check for VFIO_PCI_ERR_IRQ_INDEX
  2025-12-01 · Farhan Ali <alifm@linux.ibm.com>
• STALE199d [PATCH 6.1 250/568] vfio: return -ENOTTY for unsupported device feature
  2025-12-03 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE199d Re: Linux 6.1.159
  2025-12-06 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.63
  2025-12-18 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE188d Re: Linux 6.18.2
  2025-12-18 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.17.13
  2025-12-18 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.18.3
  2026-01-02 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>