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)

• WARM2d [PATCH 00/16] lib/cpumask: get rid of cpumap_print_to_pagebuf()
  2026-05-28 18:37 · 1 reply in 7d · Yury Norov <hidden>

Active reviewers (last 30 days)

• Shivaprasad G Bhat <hidden>
  15 attestations (15 Tested-by) · last on 2026-05-08
• Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
  4 attestations (3 Reviewed-by, 1 Suggested-by) · last on 2026-05-08
• Krishna Chaitanya Chundru <hidden>
  3 attestations (3 Tested-by) · last on 2026-05-18
• Brian Norris <briannorris@chromium.org>
  2 attestations (2 Tested-by) · last on 2026-05-18
• Richard Zhu <hongxing.zhu@nxp.com>
  2 attestations (2 Tested-by) · last on 2026-05-18
• Frank Li <Frank.Li@nxp.com>
  2 attestations (2 Reviewed-by) · last on 2026-05-18

Recent patches

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

• WARM2d [PATCH 12/16] PCI/sysfs: Use sysfs_emit() for cpumask show callbacks
  2026-05-28 · Yury Norov <hidden>
• COOLING7d [PATCH v2 3/3] ppc/pnv: Refactor PNV PCI Hotplug to group PCIe functions
  2026-05-27 · Aditya Gupta <hidden>
• COOLING7d [PATCH v2 2/3] ppc/pnv: Refactor PNV PCI hotplug driver
  2026-05-27 · Aditya Gupta <hidden>
• COOLING7d [PATCH v2 1/3] ppc/pnv: Add null checks for OpenCapi PHBs
  2026-05-27 · Aditya Gupta <hidden>
• COOLING9d [PATCH] ppc/pnv: Fix null pointer deref in pci hotplug
  2026-05-25 · Aditya Gupta <hidden>
• WARM1d [PATCH 10/11] treewide: Manually convert custom kernel_param_ops .get callbacks
  2026-05-21 · Kees Cook <kees@kernel.org>
• COLD16d 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>
• COLD16d 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>
• COLD16d [PATCH v8 1/5] PCI: dwc: ep: Clear MSI iATU mapping in dw_pcie_ep_cleanup()
  2026-05-18 · Manivannan Sadhasivam via B4 Relay <devnull+manivannan.sadhasivam.oss.qualcomm.com@kernel.org>
• COLD16d 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>
• COOLING14d [PATCH] PCI/AER: Clear non-fatal errors on AER recovery failure
  2026-05-18 · Yury Murashka <hidden>
• COLD15d Re: [PATCH v7 0/4] PCI: Add support for resetting the Root Ports in a platform specific way
  2026-05-18 · Manivannan Sadhasivam <mani@kernel.org>
• COLD16d [PATCH 4/5] x86/pci: Use official API to iterate over PCI buses
  2026-05-15 · Gerd Bayer <gbayer@linux.ibm.com>
• COLD16d [PATCH 5/5] PCI: Make pci_root_buses private to PCI core
  2026-05-15 · Gerd Bayer <gbayer@linux.ibm.com>
• COLD15d [PATCH 3/3] PCI: dwc: Simplify platform drivers using cached capability offset
  2026-05-09 · Hans Zhang <18255117159@163.com>
• COLD15d [PATCH 2/3] PCI: dwc: Use cached PCIe capability offset in core
  2026-05-09 · Hans Zhang <18255117159@163.com>
• COLD15d [PATCH 1/3] PCI: dwc: Add pcie_cap field and helper in designware header
  2026-05-09 · Hans Zhang <18255117159@163.com>
• COLD23d REVIEWED: 1 (0M) [PATCH v7 24/24] PCI/sysfs: Limit BAR resize attribute scope to platforms with PCI mmap
  2026-05-08 · Krzysztof Wilczyński <kwilczynski@kernel.org>
• COLD23d REVIEWED: 1 (0M) [PATCH v7 23/24] PCI/sysfs: Remove pci_create_legacy_files() and pci_sysfs_init()
  2026-05-08 · Krzysztof Wilczyński <kwilczynski@kernel.org>
• COLD23d REVIEWED: 1 (0M) [PATCH v7 22/24] PCI/sysfs: Convert legacy I/O and memory attributes to static definitions
  2026-05-08 · Krzysztof Wilczyński <kwilczynski@kernel.org>
• COLD23d REVIEWED: 1 (0M) [PATCH v7 21/24] PCI/sysfs: Add __weak pci_legacy_has_sparse() helper
  2026-05-08 · Krzysztof Wilczyński <kwilczynski@kernel.org>
• COLD23d REVIEWED: 1 (0M) [PATCH v7 19/24] PCI: Add macros for legacy I/O and memory address space sizes
  2026-05-08 · Krzysztof Wilczyński <kwilczynski@kernel.org>
• COLD23d REVIEWED: 1 (0M) [PATCH v7 18/24] PCI/sysfs: Remove pci_{create,remove}_sysfs_dev_files()
  2026-05-08 · Krzysztof Wilczyński <kwilczynski@kernel.org>
• COLD23d REVIEWED: 1 (0M) [PATCH v7 10/24] PCI/sysfs: Limit pci_sysfs_init() late_initcall compile scope
  2026-05-08 · Krzysztof Wilczyński <kwilczynski@kernel.org>
• COLD23d REVIEWED: 1 (0M) [PATCH v7 09/24] PCI/sysfs: Add stubs for pci_{create,remove}_sysfs_dev_files()
  2026-05-08 · Krzysztof Wilczyński <kwilczynski@kernel.org>
• COLD23d REVIEWED: 1 (0M) [PATCH v7 08/24] PCI/sysfs: Warn about BAR resize failure in __resource_resize_store()
  2026-05-08 · Krzysztof Wilczyński <kwilczynski@kernel.org>
• COLD23d REVIEWED: 1 (0M) [PATCH v7 07/24] PCI/sysfs: Convert PCI resource files to static attributes
  2026-05-08 · Krzysztof Wilczyński <kwilczynski@kernel.org>
• COLD23d REVIEWED: 1 (0M) [PATCH v7 06/24] PCI/sysfs: Add static PCI resource attribute macros
  2026-05-08 · Krzysztof Wilczyński <kwilczynski@kernel.org>
• COLD23d REVIEWED: 8 (7M) [PATCH v7 05/24] PCI/sysfs: Add CAP_SYS_ADMIN check to __resource_resize_store()
  2026-05-08 · Krzysztof Wilczyński <kwilczynski@kernel.org>
• COLD23d REVIEWED: 1 (0M) [PATCH v7 04/24] PCI/sysfs: Split pci_llseek_resource() for device and legacy attributes
  2026-05-08 · Krzysztof Wilczyński <kwilczynski@kernel.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.

• STALE127d REVIEWED: 1 (0M) [PATCH v3 1/4] PCI/MSI: Conservatively generalize no_64bit_msi into msi_addr_mask
  2026-01-23 · Vivian Wang <hidden> · 1 Acked-by
• STALE117d REVIEWED: 1 (0M) [PATCH] PCI/AER: Clear stale errors on reporting agents upon probe
  2026-01-25 · Lukas Wunner <lukas@wunner.de> · 1 Tested-by
• STALE127d REVIEWED: 6 (6M) [PATCH] error path improvement in dlpar add
  2026-01-27 · <hidden> · 2 Reviewed-by
• STALE96d REVIEWED: 18 (18M) [PATCH v4 2/4] PCI/MSI: Check msi_addr_mask in msi_verify_entries()
  2026-01-29 · Vivian Wang <hidden> · 1 Reviewed-by
• STALE96d REVIEWED: 18 (18M) [PATCH v4 1/4] PCI/MSI: Conservatively generalize no_64bit_msi into msi_addr_mask
  2026-01-29 · Vivian Wang <hidden> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 6 (6M) [PATCH V2] error path improvement in dlpar add
  2026-02-04 · <hidden> · 2 Reviewed-by
• STALE112d REVIEWED: 1 (1M) [PATCH v2] PCI/AER: Only clear error bits in PCIe Device Status register
  2026-02-11 · Shuai Xue <xueshuai@linux.alibaba.com> · 1 Reviewed-by
• STALE111d REVIEWED: 6 (6M) [PATCH v3] PCI/AER: Only clear error bits in PCIe Device Status register
  2026-02-11 · Shuai Xue <xueshuai@linux.alibaba.com> · 2 Reviewed-by
• STALE77d REVIEWED: 2 (1M) [PATCH AUTOSEL 6.19-5.15] PCI/AER: Clear stale errors on reporting agents upon probe
  2026-02-14 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by, 1 Tested-by
• COLD15d REVIEWED: 17 (16M) [PATCH v7 1/4] PCI/ERR: Add support for resetting the Root Ports in a platform specific way
  2026-03-10 · 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.

• STALE203d [PATCH v2 1/4] PCI/ASPM: Cache L0s/L1 Supported so advertised link states can be overridden
  2025-11-10 · Bjorn Helgaas <helgaas@kernel.org>
• STALE203d [PATCH v2 3/4] PCI/ASPM: Convert quirks to override advertised link states
  2025-11-10 · Bjorn Helgaas <helgaas@kernel.org>
• STALE146d [PATCH 2/5] PCI/MSI: Check msi_addr_mask in msi_verify_entries()
  2025-12-24 · Vivian Wang <hidden>
• STALE142d [PATCH v5 1/3] PCI: endpoint: Add BAR subrange mapping support
  2026-01-08 · Koichiro Den <hidden>
• STALE142d [PATCH v5 2/3] PCI: dwc: Allow glue drivers to return mutable EPC features
  2026-01-08 · Koichiro Den <hidden>
• DORMANTno replies [PATCH v5] PCI/portdev: Disable AER for Titan Ridge 4C 2018
  2026-01-09 · Atharva Tiwari <hidden>
• DORMANTno replies [PATCH v6] PCI/portdev: Disable AER for Titan Ridge 4C 2018
  2026-01-09 · Atharva Tiwari <hidden>
• STALE132d [PATCH v2 2/2] PCI/ACPI: Confine program_hpx_type2 to the AER bits
  2026-01-21 · Håkon Bugge <hidden>
• STALE79d [PATCH v10 6/8] PCI: endpoint: pci-epf-test: Add BAR subrange mapping test support
  2026-01-24 · Koichiro Den <hidden>
• STALE124d [PATCH v4 2/2] PCI/ACPI: Restrict program_hpx_type2() to AER bits
  2026-01-29 · Håkon Bugge <hidden>