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{ "id": 2224128, "url": "http://patchwork.ozlabs.org/api/covers/2224128/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/cover/20260416213909.705753-1-ramesh@linux.ibm.com/", "project": { "id": 28, "url": "http://patchwork.ozlabs.org/api/projects/28/?format=api", "name": "Linux PCI development", "link_name": "linux-pci", "list_id": "linux-pci.vger.kernel.org", "list_email": "linux-pci@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260416213909.705753-1-ramesh@linux.ibm.com>", "list_archive_url": null, "date": "2026-04-16T21:39:08", "name": "[v2,0/1] PCI/hotplug: Add 'uevent' sysfs attribute to trigger slot events", "submitter": { "id": 91783, "url": "http://patchwork.ozlabs.org/api/people/91783/?format=api", "name": "Ramesh Errabolu", "email": "ramesh@linux.ibm.com" }, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/cover/20260416213909.705753-1-ramesh@linux.ibm.com/mbox/", "series": [ { "id": 500209, "url": "http://patchwork.ozlabs.org/api/series/500209/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=500209", "date": "2026-04-16T21:39:08", "name": "PCI/hotplug: Add 'uevent' sysfs attribute to trigger slot events", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/500209/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2224128/comments/", "headers": { "Return-Path": "\n <linux-pci+bounces-52655-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-pci@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=jkg89fXs;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; 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d=ibm.com; h=cc\n\t:content-transfer-encoding:date:from:message-id:mime-version\n\t:subject:to; s=pp1; bh=TJMJRfvcip7LAI47q1WMDdx96kSeVZqcugdcAS4iS\n\t2g=; b=jkg89fXsaJJV6sx1bb17OPmBmZ1m9zulchEDhIKmOn24KSd4RAKDIN9vx\n\tsc4p9oqRxMRvYfpNjT4BPx0g8douRztp5uIf1YvAqaiX013p0CTR+HRkwNZowKuy\n\tRkHq54xME8rlXU82X0NoNuMljLc3PtyZMT9tpJUnplzHUMd5zVnzAjpbeEVp3O5z\n\tTzW1me+CZ2qzzfTHiPFn+49nh+4Rj/36g8grFQfF48bnCF3LEHoxJYPofmfrUpDe\n\tXdg9gmCygdTJp4kMp99Qj4r+9cUET3ScyL7HfpK9z9XeM8vDOZiuHG7c8mhhTRh5\n\tAmxBEt8yUCSSTcgwweoYKegZJ2lDg==", "From": "Ramesh Errabolu <ramesh@linux.ibm.com>", "To": "linux-pci@vger.kernel.org", "Cc": "linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org,\n Bjorn Helgaas <bhelgaas@google.com>, Lukas Wunner <lukas@wunner.de>,\n Niklas Schnelle <schnelle@linux.ibm.com>,\n Peter Oberparleiter <oberpar@linux.ibm.com>,\n Matthew Rosato <mjrosato@linux.ibm.com>,\n Gerd Bayer <gbayer@linux.ibm.com>, Heiko Carstens <hca@linux.ibm.com>,\n Vasily Gorbik <gor@linux.ibm.com>,\n Alexander Gordeev <agordeev@linux.ibm.com>,\n Ramesh Errabolu <ramesh@linux.ibm.com>", "Subject": "[PATCH v2 0/1] PCI/hotplug: Add 'uevent' sysfs attribute to trigger\n slot events", "Date": "Thu, 16 Apr 2026 16:39:08 -0500", "Message-ID": "<20260416213909.705753-1-ramesh@linux.ibm.com>", "X-Mailer": "git-send-email 2.43.0", "Precedence": "bulk", "X-Mailing-List": "linux-pci@vger.kernel.org", "List-Id": "<linux-pci.vger.kernel.org>", "List-Subscribe": "<mailto:linux-pci+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-pci+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-TM-AS-GCONF": "00", "X-Proofpoint-Reinject": "loops=2 maxloops=12", "X-Proofpoint-GUID": "zrUvnR8Ofvut76vsnFbtnxK7mj1BRPB5", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwNDE2MDIwMSBTYWx0ZWRfX9+iaINMglNWL\n CbPMiWXt0UV2EAsADOoQVRwq5YWwy1Ow5/U91Xo0g+CpPacHLrY6iiD+aFwbirO7vZWy7s8R/fQ\n HF6ThAZsBJkohxHyT3z8yB7W3jnWNEze3veL0xyXXCcn8BQQUND9Xw0sxc/zicdPJVfR9/acXAI\n 32eEpWU1DMHbHj3/2PWiUtfV7pasguH/YkWvnl99ZGJe0LzL2WfPCa/u2a7JFkJug/V9YwQhXiA\n 8u2RPv9BKtBtsX+KGNuhAOQ0VQz5cjPpFX0CMikFhx7SH4IWHEx17em69xpFzLilfuEtfmMLIOf\n CGLW5TSiopq9uMOGpVrNv2O4ZR5OdaxC5S+uLnMWZDv4p4ygXIefrVMF4CMRcrUirdHIj2JPxiO\n BUFA2VlXj3ApO8zdbG8ebkmUi37RRK/biSeGimIAlKtx//QptOJk1WgcL/DwxqrN4lx/HtddCjB\n GCbdTOVh2eLHcptYFUw==", "X-Proofpoint-ORIG-GUID": "g1IxGn09_EknX-Kqg1SqpahdGKqvbZYz", "X-Authority-Analysis": "v=2.4 cv=FY4HAp+6 c=1 sm=1 tr=0 ts=69e15708 cx=c_pps\n a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17\n a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22\n a=iQ6ETzBq9ecOQQE5vZCe:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8\n a=o0zT6PTsBOA1n36uQKIA:9", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-04-16_03,2026-04-16_03,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n adultscore=0 priorityscore=1501 bulkscore=0 impostorscore=0 spamscore=0\n lowpriorityscore=0 suspectscore=0 clxscore=1015 malwarescore=0 phishscore=0\n classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0\n reason=mlx scancount=1 engine=8.22.0-2604070000 definitions=main-2604160201" }, "content": "Hi all,\n\nThis is v2 of the patch adding write-only uevent\nsupport for PCI slots. The original v1 was posted\nin February 2026 and received valuable feedback from\nLeon Romanovsky and others. This v2 addresses the feedback\nand is rebased onto the current kernel tree.\n\n Link to v1:\n https://lore.kernel.org/all/20260225150815.81268-1-ramesh@linux.ibm.com/\n\nTesting: Tested on s390x with multiple PCI slots\n - Write-only uevent attribute is created for each slot\n - Writing \"add\" triggers proper uevent generation\n - udevadm-trigger successfully generates slot uevents\n - Events are properly received by udev monitoring tools\n\nChanges since v1 (February 2026):\n - Improved commit message clarity, per reviewer feedback\n - Rebased onto current kernel tree (v7.x)\n\nRamesh Errabolu (1):\n PCI/hotplug: Add 'uevent' sysfs attribute to trigger slot events\n\n drivers/pci/hotplug/pci_hotplug_core.c | 25 +++++++++++++++++++++++++\n 1 file changed, 25 insertions(+)" }