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Mon, 20 Jul 2026 19:25:05 +0000 (GMT) Received: from IBM-D32RQW3.ibm.com (unknown [9.61.255.209]) by smtpav02.wdc07v.mail.ibm.com (Postfix) with ESMTP; Mon, 20 Jul 2026 19:25:05 +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 v22 0/4] [PCI] Error recovery for vfio-pci devices on s390x Date: Mon, 20 Jul 2026 12:25:01 -0700 Message-ID: <20260720192505.2957-1-alifm@linux.ibm.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzIwMDIwOSBTYWx0ZWRfXxRX/VYVo7pwY cQF2Vp+uOpUCILJUleutPFNEFyJbXSvuD+V4hL/liHnZjCRePNzBtfqv5x7nAUGL2Ukpmkm6EYu kAiZp10rwq4WEmuujd6sTREqbqw5+AWfIDLvnpkMfvvYygIXhomdObXJ3GbsvSGYcDROSyz9wD5 uwY+wFpwuz63uVLrwpYuiAL+Qw5sD6X/G4EVIno0qAzYSohtI5DASHeNBkmFSk2azy3gKPk49Q0 9hh0wYi9SIG4giPFrPi6yVnjzoOhfPlrg3+hIMI2sWwhb9T9Q034AuksMcSsbagT/TySwVKkvDC 6T55sIqgXzjxDBR+v7mSo02mpinMDFlGMaeWQa0fQVJK693oyryyC0HHjG7pPkUkhkxPEXN7yte g4De45uCFjC+OIse3OQL730YaupJe6GGi+x50r3qLiGC4za6PWHVy6EyYP+6Bg/JNobSQQr0RQx TlDQDoWw1pM3/LJHHOQ== X-Proofpoint-GUID: t7redkN4azQwop5noa20GTYTr82fJXIF X-Authority-Analysis: v=2.4 cv=MelcfZ/f c=1 sm=1 tr=0 ts=6a5e7615 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=r1p2_3pzAAAA:8 a=ztKUdEHD2T5e-c5t2tQA:9 a=O8hF6Hzn-FEA:10 a=r_pkcD-q9-ctt7trBg_g:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzIwMDIwOSBTYWx0ZWRfX7DMCbl4UROXT cYKQYaKTVR1UhY/vreUWso2d/lrhGOIdHQJCz83ebz3mrqyZLExFA55X4E90etHEVAiCqSYqldV VNNS0L5w2vny9rI8l16BCr29d+PT7FE= X-Proofpoint-ORIG-GUID: t7redkN4azQwop5noa20GTYTr82fJXIF X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-20_04,2026-07-20_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 lowpriorityscore=0 priorityscore=1501 bulkscore=0 spamscore=0 clxscore=1015 malwarescore=0 phishscore=0 adultscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607200209 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 --------- v21: https://lore.kernel.org/all/20260630164807.643-1-alifm@linux.ibm.com/ v21 -> v22 - Ammend commit message for patch 1. - Rebase on 7.2-rc4 v20 https://lore.kernel.org/all/20260622171840.1618-1-alifm@linux.ibm.com/ v20 -> v21 - Amend commit message to include Fixes tag and cc stable (patch 4). - Rebase on 7.2-rc1. v19 https://lore.kernel.org/all/20260615183524.2880-1-alifm@linux.ibm.com/ v19 -> v20 - Unconditionally enable Memory bit while restoring MSI-X (patch 4). Fixes an issue found with sashiko. 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 | 10 ++++++++++ drivers/pci/pci.c | 32 ++++++++++++++++++++++++++++-- drivers/pci/slot.c | 33 +++++++++++++++++++++++-------- include/linux/pci.h | 8 ++++++-- 5 files changed, 72 insertions(+), 13 deletions(-) -- 2.43.0