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GET /api/patches/2217838/?format=api
{ "id": 2217838, "url": "http://patchwork.ozlabs.org/api/patches/2217838/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260330174011.1161-4-alifm@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": "<20260330174011.1161-4-alifm@linux.ibm.com>", "list_archive_url": null, "date": "2026-03-30T17:40:07", "name": "[v12,3/7] PCI: Fail FLR when config space is inaccessible", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "a355180002f8673c4c7681faf735629c2063de7f", "submitter": { "id": 73785, "url": "http://patchwork.ozlabs.org/api/people/73785/?format=api", "name": "Farhan Ali", "email": "alifm@linux.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260330174011.1161-4-alifm@linux.ibm.com/mbox/", "series": [ { "id": 498071, "url": "http://patchwork.ozlabs.org/api/series/498071/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=498071", "date": "2026-03-30T17:40:08", "name": "Error recovery for vfio-pci devices on s390x", "version": 12, "mbox": "http://patchwork.ozlabs.org/series/498071/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2217838/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2217838/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-pci+bounces-51483-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=s5uxcAEx;\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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c=relaxed/relaxed; d=ibm.com; h=cc\n\t:content-transfer-encoding:date:from:in-reply-to:message-id\n\t:mime-version:references:subject:to; s=pp1; bh=o/odM+SF5JZQPmV2E\n\tCjE7SmOujlqi3O4p9BfbYhLHHA=; b=s5uxcAExyXPETjJ6dY9qa4+4jr224JqXs\n\tsuuIxT0k6Cg23mfCk1uQvtPcVlmT+fO1rgWLJj8QQzBEYizfGaanSuurfo2Obcf+\n\tmAYAUtVF7thNf/8ZMkiNJupZxdW3C4wCSE05YnDKXenMLwfYvG/hWRbsBmExo+oN\n\t4RaZDkheaAZdV94h891Iw0IMmpg+9idM9R6aXoUaQaKc3dqY68mUgblXeMMs0epL\n\tU2iM9AiEaO1/QcQibtblEdQ7GBav9pHRWlnzhmzc/sBpsLZPQSIh6wh4YEgfxEGL\n\tjUJyeFkS9F6ONxmFDtf9pb/+qRM2uMgt/6StLLSxQln0q7KgdulbA==", "From": "Farhan Ali <alifm@linux.ibm.com>", "To": "linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org,\n linux-pci@vger.kernel.org", "Cc": "helgaas@kernel.org, lukas@wunner.de, alex@shazbot.org, clg@redhat.com,\n kbusch@kernel.org, alifm@linux.ibm.com, schnelle@linux.ibm.com,\n mjrosato@linux.ibm.com, Benjamin Block <bblock@linux.ibm.com>", "Subject": "[PATCH v12 3/7] PCI: Fail FLR when config space is inaccessible", "Date": "Mon, 30 Mar 2026 10:40:07 -0700", "Message-ID": "<20260330174011.1161-4-alifm@linux.ibm.com>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20260330174011.1161-1-alifm@linux.ibm.com>", "References": "<20260330174011.1161-1-alifm@linux.ibm.com>", "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-GUID": "pDbrwcAnQWLbFZ3ZYcSJ07JL8Mtksoe8", "X-Authority-Analysis": "v=2.4 cv=KslAGGWN c=1 sm=1 tr=0 ts=69cab583 cx=c_pps\n a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17\n a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22\n a=uAbxVGIbfxUO_5tXvNgY:22 a=VnNF1IyMAAAA:8 a=1owyFLT6pZZ0tE0DW5YA:9", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwMzMwMDE0MSBTYWx0ZWRfX65DQaLP5nbiX\n okBxVYD5NbIGlnR//bOOuWFT8eqGhWG3htjtdCkaPAtXdKtnLZS211dZskT0d0lMxxvavG25LTC\n 7MSxBvFWjAVOBdWi7Wl/M3jDhKN1NzvWZpWy1W3Qsm7Q7FXSBdBvtMqepEiva17VAE8L1amq+ZF\n E4IAkvXjPczjyPoZGhIexvicMkcW/OSLz1q+aI56wFb58Qj8p8068LbexhGxJhXzpcygGWrYUEZ\n SUn0U4C48yXQGDzveRvfkglfdvj/k9CskDeEs+oqORc5fZCEaguJnPUY/REnLWcQk4LxJI+fTTU\n AzA37GELd15G74MRIEuRLqQxhvk0ZmRppxliZpn2HppRA8xCZnMnpccvAQ3nee7ukCdgVlHDL1l\n e6ca8pQhk+G5hVjyT/eCfFaSk84RjGT6ArvH36Q+gIIRWMUtUf7Rnc8giQ6+tlCY+lj8lpomPF8\n 2qCvjreRvJ3x8HPmBBg==", "X-Proofpoint-ORIG-GUID": "pDbrwcAnQWLbFZ3ZYcSJ07JL8Mtksoe8", "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=2026-03-29_05,2026-03-28_01,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n malwarescore=0 lowpriorityscore=0 priorityscore=1501 suspectscore=0\n phishscore=0 adultscore=0 bulkscore=0 impostorscore=0 clxscore=1015\n spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound\n adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001\n definitions=main-2603300141" }, "content": "If a device is in an error state, then it's config space may not be\naccssible. Add additional check to validate if a device's config space is\naccessible before doing an FLR reset.\n\nReviewed-by: Benjamin Block <bblock@linux.ibm.com>\nReviewed-by: Niklas Schnelle <schnelle@linux.ibm.com>\nSigned-off-by: Farhan Ali <alifm@linux.ibm.com>\n---\n drivers/pci/pci.c | 3 +++\n 1 file changed, 3 insertions(+)", "diff": "diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c\nindex b36263834289..4795736193fb 100644\n--- a/drivers/pci/pci.c\n+++ b/drivers/pci/pci.c\n@@ -4398,6 +4398,9 @@ int pcie_reset_flr(struct pci_dev *dev, bool probe)\n \tif (!(dev->devcap & PCI_EXP_DEVCAP_FLR))\n \t\treturn -ENOTTY;\n \n+\tif (!pci_dev_config_accessible(dev, \"FLR\"))\n+\t\treturn -ENOTTY;\n+\n \tif (probe)\n \t\treturn 0;\n \n", "prefixes": [ "v12", "3/7" ] }