linux-kernel - [PATCH v2 0/2] PCI fixes for s390

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Message-ID: <20251022212411.1989-1-alifm@linux.ibm.com>
Date: Wed, 22 Oct 2025 14:24:09 -0700
From: Farhan Ali <alifm@...ux.ibm.com>
To: linux-s390@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc: helgaas@...nel.org, alifm@...ux.ibm.com, schnelle@...ux.ibm.com,
        mjrosato@...ux.ibm.com, bblock@...ux.ibm.com, agordeev@...ux.ibm.com,
        gor@...ux.ibm.com, hca@...ux.ibm.com
Subject: [PATCH v2 0/2] PCI fixes for s390

Hi,

I came across some issues in PCI code for s390 while working on VFIO error
recovery for s390 PCI devices [1]. These patches can be indepedently applied and
has no depedency on error recovery patch series. We would like to get these
patches merged as they do fix some existing issues.

[1] https://lore.kernel.org/all/20250924171628.826-1-alifm@linux.ibm.com/

ChangeLog
---------
v1 -> v2
   - Re-work patch 1 on setting per_func_slot flag. The flag is set if platform
   enables per function pci slots (currently only enabled for s390).
   - Drop R-b tags for patch 1.

Thanks
Farhan


Farhan Ali (2):
  PCI: Allow per function PCI slots
  s390/pci: Add architecture specific resource/bus address translation

 arch/s390/pci/pci.c       | 74 +++++++++++++++++++++++++++++++++++++++
 drivers/pci/host-bridge.c |  4 +--
 drivers/pci/pci.c         |  5 +--
 drivers/pci/slot.c        | 25 +++++++++++--
 include/linux/pci.h       |  1 +
 5 files changed, 102 insertions(+), 7 deletions(-)

-- 
2.43.0