pci enhanced error handling (eeh) for powerpc · Supported

Maintainers

• M Mahesh J Salgaonkar <mahesh@linux.ibm.com>
• R Oliver O'Halloran <oohall@gmail.com>

Paths

• F Documentation/PCI/pci-error-recovery.rst
• F Documentation/arch/powerpc/eeh-pci-error-recovery.rst
• F arch/powerpc/include/*/eeh*.h
• F arch/powerpc/kernel/eeh*.c
• F arch/powerpc/platforms/*/eeh*.c
• F drivers/pci/pcie/aer.c
• F drivers/pci/pcie/dpc.c
• F drivers/pci/pcie/err.c

Last 30 days

Most active threads (last 7 days)

• [PATCH v8 0/5] PCI: Add support for resetting the Root Ports in a platform specific way
  2026-05-18 14:59 · 2 replies in 7d · Manivannan Sadhasivam via B4 Relay <devnull+manivannan.sadhasivam.oss.qualcomm.com@kernel.org>
• [PATCH] PCI/AER: Clear non-fatal errors on AER recovery failure
  2026-05-18 13:23 · 0 replies in 7d · Yury Murashka <hidden>

Active reviewers (last 30 days)

• Dan Williams <djbw@kernel.org>
  3 attestations (3 Co-developed-by) · last on 2026-05-05
• Brian Norris <briannorris@chromium.org>
  2 attestations (2 Tested-by) · last on 2026-05-18
• Krishna Chaitanya Chundru <hidden>
  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 linux-pci (capped at 30), ordered by date desc.

• [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>
• [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>
• [PATCH] PCI/AER: Clear non-fatal errors on AER recovery failure
  2026-05-18 · Yury Murashka <hidden>
• [PATCH v17 10/11] PCI/CXL: Mask/Unmask CXL protocol errors
  2026-05-05 · Terry Bowman <hidden>
• [PATCH v17 06/11] PCI: Establish common CXL Port protocol error flow
  2026-05-05 · Terry Bowman <hidden>
• [PATCH v17 01/11] PCI/AER: Introduce AER-CXL Kfifo
  2026-05-05 · Terry Bowman <hidden>
• [PATCH AUTOSEL 7.0-6.12] PCI/DPC: Hold pci_dev reference during error recovery
  2026-04-20 · Sasha Levin <sashal@kernel.org>
• [PATCH] PCI/AER: Stop ruling out unbound devices as error source
  2026-03-27 · Lukas Wunner <lukas@wunner.de>
• [PATCH v1] PCI/DPC: Fix AER error logging for DPC/EDR triggered events
  2026-03-18 · Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
• [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>
• [PATCH v7 2/4] PCI: host-common: Add link down handling for Root Ports
  2026-03-10 · Manivannan Sadhasivam via B4 Relay <devnull+manivannan.sadhasivam.oss.qualcomm.com@kernel.org>
• [PATCH v16 05/10] PCI: Establish common CXL Port protocol error flow
  2026-03-02 · Terry Bowman <hidden>
• [PATCH v16 04/10] PCI/ERR: Introduce PCI_ERS_RESULT_PANIC
  2026-03-02 · Terry Bowman <hidden>
• [PATCH v16 01/10] PCI/AER: Introduce AER-CXL Kfifo
  2026-03-02 · Terry Bowman <hidden>
• [PATCH] PCI/ERR: Clear fatal status of the reporting device
  2026-02-27 · Sizhe Liu <hidden>
• [PATCH v3] PCI/AER: Fix missing AER logs in DPC and EDR paths
  2026-02-14 · Sizhe Liu <hidden>
• [PATCH 1/2] PCI/DPC: Clear Interrupt Status in dpc_reset_link()
  2026-02-12 · Danielle Costantino <hidden>
• [RFC v3 11/27] PCI/CMA: Reauthenticate devices on reset and resume
  2026-02-11 · <hidden>
• Re: [PATCH] PCI/AER: Add option to panic on unrecoverable errors
  2026-02-06 · Keith Busch <kbusch@kernel.org>
• [PATCH] PCI/AER: Add option to panic on unrecoverable errors
  2026-02-06 · Breno Leitao <leitao@debian.org>
• [PATCH v2] PCI: dpc: Increase pciehp waiting time for DPC recovery
  2026-02-04 · LeoLiu-oc <hidden>
• [PATCH v15 5/9] PCI: Establish common CXL Port protocol error flow
  2026-02-03 · Terry Bowman <hidden>
• [PATCH v15 3/9] PCI/ERR: Introduce PCI_ERS_RESULT_PANIC
  2026-02-03 · Terry Bowman <hidden>
• [PATCH v15 1/9] PCI/AER: Introduce AER-CXL Kfifo in new file, pcie/aer_cxl_vh.c
  2026-02-03 · Terry Bowman <hidden>
• [PATCH v4 2/2] PCI/ACPI: Restrict program_hpx_type2() to AER bits
  2026-01-29 · Håkon Bugge <hidden>
• [PATCH v2] PCI/AER: Fix AER log missing in DPC case
  2026-01-29 · Sizhe Liu <hidden>
• [PATCH] PCI/AER: Fix AER log missing in DPC case
  2026-01-27 · Sizhe Liu <hidden>
• [PATCH net-next v2] net: ethernet: neterion: s2io: remove unused driver
  2026-01-26 · Ethan Nelson-Moore <hidden>
• [PATCH] PCI/AER: Clear stale errors on reporting agents upon probe
  2026-01-25 · Lukas Wunner <lukas@wunner.de>
• [PATCH v7 4/5] PCI/AER: Clear both AER fatal and non-fatal status
  2026-01-24 · Shuai Xue <xueshuai@linux.alibaba.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.

• [PATCH] PCI/AER: Clear stale errors on reporting agents upon probe
  2026-01-25 · Lukas Wunner <lukas@wunner.de> · 1 Tested-by
• [RFC v3 11/27] PCI/CMA: Reauthenticate devices on reset and resume
  2026-02-11 · <hidden> · 1 Reviewed-by
• [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
• [PATCH v7 2/4] PCI: host-common: Add link down handling for Root Ports
  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.

• [PATCH v4 4/4] PCI/DPC: Add macro for RP busy check delay
  2025-11-01 · Hans Zhang <18255117159@163.com>
• [RESEND PATCH v4 2/2] PCI/AER: Use pci_clear/set_config_dword to simplify code
  2025-11-01 · Hans Zhang <18255117159@163.com>
• [PATCH v13 23/25] CXL/PCI: Introduce CXL uncorrectable protocol error recovery
  2025-11-04 · Terry Bowman <hidden>
• [PATCH v13 23/25] CXL/PCI: Introduce CXL uncorrectable protocol error recovery
  2025-11-04 · Terry Bowman <hidden>
• [PATCH v5] PCI/portdev: Disable AER for Titan Ridge 4C 2018
  2026-01-09 · Atharva Tiwari <hidden>
• [PATCH v6] PCI/portdev: Disable AER for Titan Ridge 4C 2018
  2026-01-09 · Atharva Tiwari <hidden>
• [PATCH v2 2/2] PCI/ACPI: Confine program_hpx_type2 to the AER bits
  2026-01-21 · Håkon Bugge <hidden>
• [PATCH v4 2/2] PCI/ACPI: Restrict program_hpx_type2() to AER bits
  2026-01-29 · Håkon Bugge <hidden>
• Re: [PATCH] PCI/AER: Add option to panic on unrecoverable errors
  2026-02-06 · Keith Busch <kbusch@kernel.org>
• [PATCH AUTOSEL 7.0-6.12] PCI/DPC: Hold pci_dev reference during error recovery
  2026-04-20 · Sasha Levin <sashal@kernel.org>