pci subsystem · Supported

Maintainers

• M Bjorn Helgaas <bhelgaas@google.com>

Paths

• F Documentation/ABI/testing/sysfs-devices-pci-host-bridge
• F Documentation/PCI/
• F Documentation/devicetree/bindings/pci/
• F arch/x86/kernel/early-quirks.c
• F arch/x86/kernel/quirks.c
• F arch/x86/pci/
• F drivers/acpi/pci*
• F drivers/pci/
• F include/asm-generic/pci*
• F include/linux/of_pci.h
• F include/linux/pci*
• F include/uapi/linux/pci*

Last 30 days

Most active threads (last 7 days)

• HOTtoday [PATCH v2 3/7] PCI: Honor alignment overrides
  2026-10-02 11:34 · 0 replies in 7d · Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
• WARM3d [PATCH] PCI: layerscape: use default error response behavior
  2026-10-01 15:33 · 1 reply in 7d · <hidden>
• COOLING6d [PATCH v5 0/3] PCI/AER: Fix ghes_estatus_pool memory leaks in error handling
  2026-09-28 17:40 · 3 replies in 7d · Priyank Rathod <hidden>
• COOLING6d [PATCH] PCI: layerscape: async probe by default
  2026-09-28 13:48 · 0 replies in 7d · Vincent Jardin <vjardin@free.fr>

Active reviewers (last 30 days)

• Bjorn Helgaas <bhelgaas@google.com>
  8 attestations (8 Suggested-by) · last on 2026-09-27
• Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
  3 attestations (2 Reviewed-by, 1 Suggested-by) · last on 2026-09-28
• Sashiko <sashiko-bot@kernel.org>
  1 attestation (1 Reported-by) · last on 2026-10-02

Recent patches

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

• HOTtoday [PATCH v2 3/7] PCI: Honor alignment overrides
  2026-10-02 · Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
• WARM3d [PATCH v2] Revert "PCI: layerscape: Change default error response behavior"
  2026-10-01 · Jeff Barnes <hidden>
• WARM3d [PATCH] PCI: layerscape: use default error response behavior
  2026-09-29 · <hidden>
• COOLING6d [PATCH v5 3/3] PCI/AER: Document that aer_recover_queue() takes ownership of aer_regs
  2026-09-28 · Priyank Rathod <hidden>
• COOLING6d REVIEWED: 1 (1M) [PATCH v5 2/3] PCI/AER: Fix memory leak in aer_recover_work_func() when pci_dev is missing
  2026-09-28 · Priyank Rathod <hidden>
• COOLING6d REVIEWED: 1 (1M) [PATCH v5 1/3] PCI/AER: Fix memory leak in aer_recover_queue() on kfifo buffer overflow
  2026-09-28 · Priyank Rathod <hidden>
• COOLING6d [PATCH] PCI: layerscape: async probe by default
  2026-09-28 · Vincent Jardin <vjardin@free.fr>
• WARM3d [PATCH 7/7] PCI/AER: Enable baseline capability error reporting
  2026-09-27 · Lukas Wunner <lukas@wunner.de>
• COOLING7d [PATCH RFC v4 4/5] PCI: pciehp: Report surprise removal from pciehp_isr()
  2026-09-27 · Abhin Parekadan Jose <hidden>
• COOLING7d [PATCH RFC v4 3/5] PCI/DPC: Add pci_dpc_wait_recovery()
  2026-09-27 · Abhin Parekadan Jose <hidden>
• COOLING7d [PATCH RFC v4 2/5] PCI: pciehp: Add pci_hp_wait_link_change()
  2026-09-27 · Abhin Parekadan Jose <hidden>
• COOLING7d [PATCH RFC v4 1/5] PCI: Report surprise removal event
  2026-09-27 · Abhin Parekadan Jose <hidden>
• WARM3d [PATCH 6/7] PCI/AER: Renumber severity constants
  2026-09-27 · Lukas Wunner <lukas@wunner.de>
• WARM3d [PATCH 5/7] PCI/AER: Move AER capability check out of pcie_aer_is_native()
  2026-09-27 · Lukas Wunner <lukas@wunner.de>
• WARM3d [PATCH 4/7] PCI/AER: Drop AER native check from handles_cxl_errors()
  2026-09-27 · Lukas Wunner <lukas@wunner.de>
• WARM3d [PATCH 3/7] PCI/ERR: Avoid stale error status bits on recovery failure
  2026-09-27 · Lukas Wunner <lukas@wunner.de>
• WARM3d [PATCH 2/7] PCI/DPC: Reinstate support for AER-incapable ports
  2026-09-27 · Lukas Wunner <lukas@wunner.de>
• WARM3d [PATCH 1/7] PCI/DPC: Avoid access to non-existent AER capability
  2026-09-27 · Lukas Wunner <lukas@wunner.de>
• COOLING7d [PATCH RFC v3 4/5] PCI: pciehp: Report surprise removal from pciehp_isr()
  2026-09-27 · Abhin Parekadan Jose <hidden>
• COOLING7d [PATCH RFC v3 3/5] PCI/DPC: Add pci_dpc_wait_recovery()
  2026-09-27 · Abhin Parekadan Jose <hidden>
• COOLING7d [PATCH RFC v3 2/5] PCI: pciehp: Add pci_hp_wait_link_change()
  2026-09-27 · Abhin Parekadan Jose <hidden>
• COOLING7d [PATCH RFC v3 1/5] PCI: Report surprise removal event
  2026-09-27 · Abhin Parekadan Jose <hidden>
• COOLING7d [PATCH RFC v2 4/5] PCI: pciehp: Report surprise removal from pciehp_isr()
  2026-09-27 · Abhin Parekadan Jose <hidden>
• COOLING7d [PATCH RFC v2 3/5] PCI/DPC: Add pci_dpc_wait_recovery()
  2026-09-27 · Abhin Parekadan Jose <hidden>
• COOLING7d [PATCH RFC v2 2/5] PCI: pciehp: Add pci_hp_wait_link_change()
  2026-09-27 · Abhin Parekadan Jose <hidden>
• COOLING7d [PATCH RFC v2 1/5] PCI: Report surprise removal event
  2026-09-27 · Abhin Parekadan Jose <hidden>
• COOLING10d [PATCH 15/15] PCI: Remove the per-capability save buffers
  2026-09-24 · David Matlack <dmatlack@google.com>
• COOLING10d [PATCH 14/15] PCI: Save reserved capability registers in a single pass
  2026-09-24 · David Matlack <dmatlack@google.com>
• COOLING10d [PATCH 13/15] PCI/VC: Save VC state in the saved capability store
  2026-09-24 · David Matlack <dmatlack@google.com>
• COOLING10d [PATCH 12/15] PCI/VC: Split the VC Resource Control restore into a helper
  2026-09-24 · David Matlack <dmatlack@google.com>

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.

• STALE146d REVIEWED: 8 (7M) [PATCH v7 01/24] PCI/sysfs: Use PCI resource accessor macros
  2026-05-08 · Krzysztof Wilczyński <kwilczynski@kernel.org> · 1 Reviewed-by, 1 Tested-by
• STALE68d REVIEWED: 17 (16M) [PATCH v8 2/5] PCI/ERR: Add support for resetting the Root Ports in a platform specific way
  2026-05-18 · Manivannan Sadhasivam via B4 Relay <devnull+manivannan.sadhasivam.oss.qualcomm.com@kernel.org> · 1 Reviewed-by, 3 Tested-by
• STALE68d REVIEWED: 17 (16M) [PATCH v8 3/5] PCI: host-common: Add link down handling for Root Ports
  2026-05-18 · Manivannan Sadhasivam via B4 Relay <devnull+manivannan.sadhasivam.oss.qualcomm.com@kernel.org> · 1 Reviewed-by, 3 Tested-by
• STALE68d REVIEWED: 1 (0M) [PATCH v8 4/5] PCI: qcom: Add support for resetting the Root Port due to link down event
  2026-05-18 · Manivannan Sadhasivam via B4 Relay <devnull+manivannan.sadhasivam.oss.qualcomm.com@kernel.org> · 1 Tested-by
• STALE90d REVIEWED: 1 (0M) [PATCH v8 25/25] PCI/sysfs: Limit BAR resize attribute scope to platforms with PCI mmap
  2026-06-19 · Krzysztof Wilczyński <kwilczynski@kernel.org> · 1 Tested-by
• COLD45d REVIEWED: 1 (0M) [PATCH v3 06/16] PCI: dwc: rockchip: Use cached PCIe capability offset
  2026-07-20 · Hans Zhang <18255117159@163.com> · 1 Reviewed-by
• STALE66d REVIEWED: 2 (0M) [PATCH v9 4/5] PCI: qcom: Add support for resetting the Root Port due to link down event
  2026-07-29 · Manivannan Sadhasivam via B4 Relay <devnull+manivannan.sadhasivam.oss.qualcomm.com@kernel.org> · 1 Reviewed-by, 1 Tested-by
• STALE66d REVIEWED: 17 (16M) [PATCH v9 3/5] PCI: host-common: Add link down handling for Root Ports
  2026-07-29 · Manivannan Sadhasivam via B4 Relay <devnull+manivannan.sadhasivam.oss.qualcomm.com@kernel.org> · 1 Reviewed-by, 3 Tested-by
• STALE66d REVIEWED: 17 (16M) [PATCH v9 2/5] PCI/ERR: Add support for resetting the Root Ports in a platform specific way
  2026-07-29 · Manivannan Sadhasivam via B4 Relay <devnull+manivannan.sadhasivam.oss.qualcomm.com@kernel.org> · 1 Reviewed-by, 3 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.

• STALE201d [PATCH v2 2/4] PCI: mvebu: Keep child node refcnt for probe duration
  2026-03-17 · Krzysztof Kozlowski <hidden>
• STALE191d [PATCH 02/10] resource: Pass full extent of empty space to resource_alignf CB
  2026-03-24 · Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
• STALE191d [PATCH 08/10] PCI: Rename window_alignment() to pci_min_window_alignment()
  2026-03-24 · Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
• STALE177d [PATCH 02/20] PCI/sysfs: Only allow supported resource types in I/O and MMIO helpers
  2026-04-10 · Krzysztof Wilczyński <kwilczynski@kernel.org>
• STALE177d [PATCH 03/20] PCI/sysfs: Use BAR length in pci_llseek_resource() when attr->size is zero
  2026-04-10 · Krzysztof Wilczyński <kwilczynski@kernel.org>
• STALE177d [PATCH 05/20] PCI/sysfs: Add static PCI resource attribute macros
  2026-04-10 · Krzysztof Wilczyński <kwilczynski@kernel.org>
• STALE177d [PATCH 07/20] PCI/sysfs: Convert __resource_resize_store() to use static attributes
  2026-04-10 · Krzysztof Wilczyński <kwilczynski@kernel.org>
• STALE177d [PATCH 08/20] PCI/sysfs: Add stubs for pci_{create,remove}_sysfs_dev_files()
  2026-04-10 · Krzysztof Wilczyński <kwilczynski@kernel.org>
• STALE177d [PATCH 09/20] PCI/sysfs: Limit pci_sysfs_init() late_initcall compile scope
  2026-04-10 · Krzysztof Wilczyński <kwilczynski@kernel.org>
• STALE177d [PATCH 16/20] PCI/sysfs: Remove pci_{create,remove}_sysfs_dev_files()
  2026-04-10 · Krzysztof Wilczyński <kwilczynski@kernel.org>