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Wed, 19 Aug 2026 14:08:59 +0000 (GMT) Received: from [9.61.131.241] (unknown [9.61.131.241]) by smtpav02.dal12v.mail.ibm.com (Postfix) with ESMTP; Wed, 19 Aug 2026 14:08:59 +0000 (GMT) Message-ID: <1a97b500-6c51-444c-9da3-023612d8a5f4@linux.ibm.com> Date: Wed, 19 Aug 2026 10:08:59 -0400 Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/2] s390/pci: Extend device lock to cover zpci_report_status() To: Niklas Schnelle , Gerd Bayer , Farhan Ali , Benjamin Block , Julian Ruess Cc: Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Sven Schnelle , Ramesh Errabolu , Tobias Schumacher , Halil Pasic , Peter Oberparleiter , Gerald Schaefer , Christian Borntraeger , linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260819-fix_zpci_report_status_pdev_leak-v2-0-da0c4aa7c0ca@linux.ibm.com> <20260819-fix_zpci_report_status_pdev_leak-v2-2-da0c4aa7c0ca@linux.ibm.com> Content-Language: en-US From: Matthew Rosato In-Reply-To: <20260819-fix_zpci_report_status_pdev_leak-v2-2-da0c4aa7c0ca@linux.ibm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=LsCiDHdc c=1 sm=1 tr=0 ts=6a85b8ff cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=iQ6ETzBq9ecOQQE5vZCe:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=iqEJ4frogEVWk84FnvQA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-GUID: ztlsLhqrDhjoXBe4ILcOdsfzLQ1-OZAB X-Proofpoint-Spam-Info: AW1haW4tMjYwODE5MDEwOSBTYWx0ZWRfXzrpXgNN3PxTc +ME2c9ugpGke7Im5W9WZ1j0dosHiubnHlLOpBiyvt1m91UInm2OdJSNYZivrEcHK3qsVbIHAU21 PGGtvBxO2HzaxjMn+UWvWE2zYeK9V+w= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODE5MDEwOSBTYWx0ZWRfX1b0s83apW3uq 7PL5iPTyr9p1ml6aZKNqJJ50lDfDF7ckeWTE0dMGU1TFU8p8pDLppY90dpZz+oWBLN8RP7fbd96 Zzzz4MOLppkKtiq61ngbGPvvlbDinOqh552llMaoil/tSwnbcap2VRkA2ZnlwsnZwejqhVD0lLa l81s+A5kGLXhOL9leQ0zr0S41yoQVaN4yc3dCITG9S8pTzn1ZgxtqCg85uTgY1XLNSZOunwYYnZ WZYGpkSjvHPN/LtvQDMD2PurABnYJlzbfXsq4PDkxNzhghZf2REEHrmml5j2of6QQxQBIFx8gRe enrBcDG6/JZnXDf4sOZuDCj08DSlB9dmdhuGb07Qhu+sIQ3pEw0HrMvUB766BVQcGJS4FQo5P3f vssuRoT/o+Hg9Ljk+mf8WjF2U9nGg97qxvLoOP7L7DuUjSFr86Q+mk0xyp3ft0jvu1OExTpucCF y7ADB956FoHmI5ZKskA== X-Proofpoint-ORIG-GUID: ztlsLhqrDhjoXBe4ILcOdsfzLQ1-OZAB X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-19_03,2026-08-19_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 spamscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 adultscore=0 suspectscore=0 impostorscore=0 clxscore=1015 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608190109 On 8/19/26 5:58 AM, Niklas Schnelle wrote: > As zpci_report_status() accesses the device's driver the device lock > needs to be held. Extend the critical section to cover the > zpci_report_status() call. > > Cc: stable@vger.kernel.org > Fixes: 4ec6054e7321 ("s390/pci: Report PCI error recovery results via SCLP") > Signed-off-by: Niklas Schnelle Reviewed-by: Matthew Rosato