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Thu, 14 Aug 2025 08:44:11 GMT Received: from smtpav05.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 788C058059; Thu, 14 Aug 2025 08:44:11 +0000 (GMT) Received: from smtpav05.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A10EA58043; Thu, 14 Aug 2025 08:44:07 +0000 (GMT) Received: from [9.87.142.31] (unknown [9.87.142.31]) by smtpav05.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 14 Aug 2025 08:44:07 +0000 (GMT) Message-ID: Subject: Re: [PATCH v5 0/3] PCI/ERR: s390/pci: Use pci_uevent_ers() in PCI recovery From: Niklas Schnelle To: Bjorn Helgaas , Lukas Wunner , Mahesh J Salgaonkar Cc: Linas Vepstas , Ilpo =?ISO-8859-1?Q?J=E4rvinen?= , Manivannan Sadhasivam , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Peter Oberparleiter , Matthew Rosato , "Oliver O'Halloran" , Sinan Kaya , linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, Keith Busch Date: Thu, 14 Aug 2025 10:44:06 +0200 In-Reply-To: <20250807-add_err_uevents-v5-0-adf85b0620b0@linux.ibm.com> References: <20250807-add_err_uevents-v5-0-adf85b0620b0@linux.ibm.com> Autocrypt: addr=schnelle@linux.ibm.com; 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charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2 (3.56.2-1.fc42) Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: XfD33j5vxQrXWyRVjtJJvqxHMuEGAtkJ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODEyMDIyNCBTYWx0ZWRfX1KUFzCVRppKk NmVvvF0LShF+sgkJMp8+HIr52z3BR8Zux5zbDHsvEwFAQcY2UhMLjXFJrjhml2IZ90TJqEcopcN v0kNG26giWQVdf54FELjFIfr06xNnoxk0xXcYfON3gG3T/q7EvXdYwaYMkrEcLAUyMvV8qkbtEX OxVbeemfx59r9FbhHGgHceZeYLRUqrVr2/LoQETNIf3Aw5QgKVhvN+1Z2B9WJ5JmyXBivm9d5mW bC1XjdfsjY1wqTVdd1mi64r4PfwbFqUubEAm86dKEN7zoLlIoG6sGDmSRd1FSsSlDisw1TEYdbh hX/sPeV/4T6XxwWpnNCB9ya79MsBcWuAFDbyC3/c4OtfriFXvqxFC32VXeq2GuZv+zN8c8NPJbH 476rI6Hd X-Proofpoint-GUID: s5iVgtwjJFBeAGD1Uou8os76O7-FPLNX X-Authority-Analysis: v=2.4 cv=fLg53Yae c=1 sm=1 tr=0 ts=689da1e0 cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=IkcTkHD0fZMA:10 a=2OwXVqhp2XgA:10 a=VnNF1IyMAAAA:8 a=99k3b_FDGDTT4Z58m1sA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-08-13_02,2025-08-11_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 clxscore=1015 spamscore=0 priorityscore=1501 impostorscore=0 phishscore=0 malwarescore=0 bulkscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508120224 On Thu, 2025-08-07 at 15:55 +0200, Niklas Schnelle wrote: > Hi Bjorn, Lukas, Mahesh, >=20 > This series adds issuing of uevents during PCI recovery on s390. In > developing this I noticed that pci_uevent_ers() ignores > PCI_ERS_RESULT_NEED_RESET. I think this will result in AER not generating= a uevent > at the beginning of recovery if drivers request a reset via the voting > on error_detected() returns. This is fixed in the first patch and relied > upon by the s390 recovery code as it also uses the result of > error_detected() though with one device/driver at a time. >=20 > Thanks, > Niklas >=20 > Signed-off-by: Niklas Schnelle > --- Hi Bjorn, as you just picked up Lukas' "PCI: Reduce AER / EEH deviations" series for pci/aer, I think it would make sense to take this via that tree also. If you prefer and provide an ack for the first patch this could also go via s390 of course. Thanks, Niklas