{"id":2215972,"url":"http://patchwork.ozlabs.org/api/patches/2215972/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260325-fix_pciatops-v6-2-10bf19d76dd1@linux.ibm.com/","project":{"id":28,"url":"http://patchwork.ozlabs.org/api/projects/28/?format=json","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":"<20260325-fix_pciatops-v6-2-10bf19d76dd1@linux.ibm.com>","list_archive_url":null,"date":"2026-03-25T15:16:18","name":"[v6,2/2] PCI: AtomicOps: Update references to PCIe spec","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"c07b47b4c48ea29d3a7ff11b45cf4f8b2509a88d","submitter":{"id":85804,"url":"http://patchwork.ozlabs.org/api/people/85804/?format=json","name":"Gerd Bayer","email":"gbayer@linux.ibm.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260325-fix_pciatops-v6-2-10bf19d76dd1@linux.ibm.com/mbox/","series":[{"id":497465,"url":"http://patchwork.ozlabs.org/api/series/497465/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/list/?series=497465","date":"2026-03-25T15:16:18","name":"PCI: AtomicOps: Fix pci_enable_atomic_ops_to_root()","version":6,"mbox":"http://patchwork.ozlabs.org/series/497465/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2215972/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2215972/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","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=D3B8pcER;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.232.135.74; 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a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc\n\t:content-transfer-encoding:content-type:date:from:in-reply-to\n\t:message-id:mime-version:references:subject:to; s=pp1; bh=4nUrHb\n\tOAPxrqOyZDmI8Ux9wOjU9BEC8kz64uahnDd30=; b=D3B8pcERoXiLb7Vy4tSbOR\n\taa82x4PDntPy1WYe7xrDU9URflYWTZZXbiYpEu3x9itJRiw9/qeRKbRF5meN4FDX\n\teHRF/0McLSziPJGkYhAhL9nKQupncnrXWF5fPM1DP2IFBBR31RU0gRr3H8x+3iuN\n\t9ERii2ifyFxZZGgqHj+lsjychiw4V4MlaBgFV1dSI0+F9fPlVYuydCCjadNSYl0a\n\tx+/q+y3syWZcK/w7HqtdQy4nVRAoULHBxpqx3cXIv2MGa81KfmVxitsP/wecjPVW\n\tD2tI2u4MyxEO1T7FY6xQ9z0sSOhi0Wa/yMp0Er3gQwW8TjS9E3IDATBcpmv8Z0yQ\n\t==","From":"Gerd Bayer ","Date":"Wed, 25 Mar 2026 16:16:18 +0100","Subject":"[PATCH v6 2/2] PCI: AtomicOps: Update references to PCIe spec","Precedence":"bulk","X-Mailing-List":"linux-pci@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","Message-Id":"<20260325-fix_pciatops-v6-2-10bf19d76dd1@linux.ibm.com>","References":"<20260325-fix_pciatops-v6-0-10bf19d76dd1@linux.ibm.com>","In-Reply-To":"<20260325-fix_pciatops-v6-0-10bf19d76dd1@linux.ibm.com>","To":"Bjorn Helgaas , Jay Cornwall ,\n Felix Kuehling ,\n Christian Borntraeger ,\n Niklas Schnelle ","Cc":"Gerald Schaefer ,\n Heiko Carstens , Vasily Gorbik ,\n Alexander Gordeev ,\n Sven Schnelle ,\n Leon Romanovsky ,\n Alexander Schmidt , linux-s390@vger.kernel.org,\n linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,\n netdev@vger.kernel.org, linux-rdma@vger.kernel.org,\n Gerd Bayer ","X-Mailer":"b4 0.14.2","X-TM-AS-GCONF":"00","X-Proofpoint-Reinject":"loops=2 maxloops=12","X-Proofpoint-ORIG-GUID":"VwmHIEthOOEXBIOUMOhdt2WMoFnPH4Dj","X-Proofpoint-Spam-Details-Enc":"AW1haW4tMjYwMzI1MDEwNiBTYWx0ZWRfX3PbbJQ1k+U/+\n gmKijxUsLKuQVsbARuhI5MqqvyN1nbjaVzHfPVzfxBK9Z1qOy9Vads9JBFit9ocWAQEuM8WlivJ\n wXK8zz4RDKCxmuRHs45A3qlxhw4/Zs6v9bTSK4e+vYwDw0OUQmyK0S+V6tg/J7u94n2w0cUt9i7\n lQpSIc9DXQoYT+XLHGCFekoRV1GjXUilCnlI8P/FXTwRUhRXNv8sc7VQMT5NeNxuKZr8xS312Cf\n eZIAEhNJicXr0DseQ1f0XJeZaUnXGg/LS0eRtW0oXiezxCpLr+jO++z6KSA5yNtHwuCZqfI6F5r\n HBAlwYxJG8WEG7pIxacaSwS6bGNUkxY3JoRoa/nBHE4rIF+SNsw5xnyVx9FsPMZ/rYUQFEqB1Hm\n aUp+oy2bzxRugeIPfibNSh3m9RZtO3hO8mB+7HJEqmKrzOv4q5GMJPurSI3MRH2dZQ8mx7GZn5z\n xod4jRxBgGn5/BFSmZg==","X-Proofpoint-GUID":"J2oMZxSS8Q3GN44Y4yOuo_IS5f3AHtID","X-Authority-Analysis":"v=2.4 cv=OsZCCi/t c=1 sm=1 tr=0 ts=69c3fc4f cx=c_pps\n a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17\n a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22\n a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VnNF1IyMAAAA:8\n a=sHiWSa_0ZEpyENxDyHEA:9 a=QEXdDO2ut3YA:10","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=2026-03-25_04,2026-03-24_01,2025-10-01_01","X-Proofpoint-Spam-Details":"rule=outbound_notspam policy=outbound score=0\n impostorscore=0 adultscore=0 clxscore=1015 phishscore=0 suspectscore=0\n lowpriorityscore=0 priorityscore=1501 bulkscore=0 spamscore=0 malwarescore=0\n classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0\n reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603250106"},"content":"Point to the relevant sections in the most recent release 7.0 of the\nPCIe spec. Text has mostly just moved around without any semantic\nchange.\n\nSigned-off-by: Gerd Bayer \n---\n drivers/pci/pci.c | 6 +++---\n 1 file changed, 3 insertions(+), 3 deletions(-)","diff":"diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c\nindex 006aa589926cb290de43f152100ddaf9961407d1..fc211af0b6361cd8f5101b681a97bd1ad1304d9d 100644\n--- a/drivers/pci/pci.c\n+++ b/drivers/pci/pci.c\n@@ -3694,7 +3694,7 @@ int pci_enable_atomic_ops_to_root(struct pci_dev *dev, u32 cap_mask)\n \tu32 ctl2;\n \n \t/*\n-\t * Per PCIe r5.0, sec 9.3.5.10, the AtomicOp Requester Enable bit\n+\t * Per PCIe r7.0, sec 7.5.3.16, the AtomicOp Requester Enable bit\n \t * in Device Control 2 is reserved in VFs and the PF value applies\n \t * to all associated VFs.\n \t */\n@@ -3705,9 +3705,9 @@ int pci_enable_atomic_ops_to_root(struct pci_dev *dev, u32 cap_mask)\n \t\treturn -EINVAL;\n \n \t/*\n-\t * Per PCIe r4.0, sec 6.15, endpoints and root ports may be\n+\t * Per PCIe r7.0, sec 6.15, endpoints and root ports may be\n \t * AtomicOp requesters. For now, we only support endpoints as\n-\t * requesters and root ports as completers. No endpoints as\n+\t * requesters and root ports as completers. No endpoints as\n \t * completers, and no peer-to-peer.\n \t */\n \n","prefixes":["v6","2/2"]}