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Mon, 15 Jun 2026 18:35:24 +0000 (GMT) Received: from IBM-D32RQW3.ibm.com (unknown [9.61.253.186]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Mon, 15 Jun 2026 18:35:24 +0000 (GMT) From: Farhan Ali To: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Cc: helgaas@kernel.org, alex@shazbot.org, alifm@linux.ibm.com, schnelle@linux.ibm.com, mjrosato@linux.ibm.com Subject: [PATCH v19 0/4] [PCI] Error recovery for vfio-pci devices on s390x Date: Mon, 15 Jun 2026 11:35:20 -0700 Message-ID: <20260615183524.2880-1-alifm@linux.ibm.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: G2uAjod3CSEumnFD5Z5-Tehn9DL1c72O X-Authority-Analysis: v=2.4 cv=XdK5Co55 c=1 sm=1 tr=0 ts=6a3045ef cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=r1p2_3pzAAAA:8 a=_2QMZfQrnrVBYBVu2iQA:9 a=O8hF6Hzn-FEA:10 a=r_pkcD-q9-ctt7trBg_g:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjE1MDE5NCBTYWx0ZWRfX5ntPIOGhqiqD IxG7wiBvXEv80yN10WGFFtbyIQOLNQrpPrwQY+rWEQ9Ga1V/FKLP4PiqxCP6/XiKSsAGA9sBB74 ZWpFjzRMjSffEkRm9E0Nji05jBFBS7MmP0w/1wIb9VpT25IamZ0EqXCfuGXsdBbP4lJqaR3VFA4 5tuiU4UV0JEUHsLDFP72aJ119SMe+zXXIkB4RIpmA78/BRhvpuQxN6BktMfGJD1/C7FsYvDjP3R fuV35ZWsSV0Mli0KFeZ7mFNQ8KSnERLBVMZsitRLYyKAcaP7WLpJBhT7KuaDIkRZSOKTATBgtK3 A4rGnHYY6sVx5u6psgYVQd6ZpBIJm6R8JPhIY4rmND+KLbQbKGC0zw/2szjqxELq9MWrmERmIRV OWgRkufPyomyufyexH5k4GXBRKe+38AaskAZWtxZ+FE12fn3M0k4pTQG4jV0rKv5o5mXtqIN0GH VOJgXn9JUApYlNbZ/pA== X-Proofpoint-ORIG-GUID: G2uAjod3CSEumnFD5Z5-Tehn9DL1c72O X-Proofpoint-Spam-Info: AW1haW4tMjYwNjE1MDE5NCBTYWx0ZWRfX03gu4v0QbNZV tReRFGc6kI5BYdfkYXXxkCy/TguNyoETDrgql5icpPiKRD/kOnLJwNC52wh5yyJwC9dVpLt3+GI wTfdgSVd3h6mGadlnCa61PnzbuDZ5Kc= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-15_04,2026-06-15_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 lowpriorityscore=0 clxscore=1015 bulkscore=0 malwarescore=0 spamscore=0 phishscore=0 priorityscore=1501 impostorscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606040000 definitions=main-2606150194 Hi Bjorn, This patch set includes only the PCI patches of the original series for error recovery for vfio-pci devices on s390x [1]. Breaking up the patch series into PCI and VFIO only patches to make merging easier based on discussion with Alex [2]. Thanks Farhan [1] https://lore.kernel.org/all/20260520171113.1111-1-alifm@linux.ibm.com/ [2] https://lore.kernel.org/all/20260602163344.1eda12d2@shazbot.org/ ChangeLog --------- v18 https://lore.kernel.org/all/20260603181647.2215-1-alifm@linux.ibm.com/ v18 -> v19 - Move config space accessible check to pcie_flr() function (based on discussion of Sashiko review) - Fix a gap in MSI-X restoration (patch 4). - Rebase on 7.1-rc7 v17 -> v18 - Rebase on 7.1-rc6. Farhan Ali (4): PCI: Allow per function PCI slots to fix slot reset on s390 PCI: Avoid saving config space state if inaccessible PCI: Fail FLR when config space is inaccessible PCI/MSI: Enable memory decoding before restoring MSI-X messages drivers/pci/hotplug/rpaphp_slot.c | 2 +- drivers/pci/msi/msi.c | 9 +++++++++ drivers/pci/pci.c | 32 ++++++++++++++++++++++++++++-- drivers/pci/slot.c | 33 +++++++++++++++++++++++-------- include/linux/pci.h | 8 ++++++-- 5 files changed, 71 insertions(+), 13 deletions(-) -- 2.43.0