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Thu, 16 Jul 2026 17:52:42 +0000 (GMT) Received: from IBM-D32RQW3.ibm.com (unknown [9.61.248.47]) by smtpav02.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 16 Jul 2026 17:52:42 +0000 (GMT) From: Farhan Ali To: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, kvm@vger.kernel.org Cc: alifm@linux.ibm.com, mjrosato@linux.ibm.com, borntraeger@linux.ibm.com, farman@linux.ibm.com Subject: [PATCH v2 0/4] KVM s390x PCI fixes Date: Thu, 16 Jul 2026 10:52:37 -0700 Message-ID: <20260716175241.1039-1-alifm@linux.ibm.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: cp4zkA07mAf7P0qUfr59_Tu35lzr9o4F X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE2MDE4MSBTYWx0ZWRfX4VSKE77foBp5 HWT/MJQrzXynd7hhozTRTQ55zyjGZjosJsvBvj04Cuvdgo0pgN95r3yKvLO5/2MEIBvXxCOl9HG S5vuFy6B+7cZMSqfRWXb6rj5/YidCDs= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE2MDE4MSBTYWx0ZWRfX5LUuQDiJQzJp OEUjkE8mdXu+dLGwIfPW65EhRReCE19HglxE58SvWNM/7xk7BABMPtGIzqaZHRxQsSaUVbScRhB ZB6aU3yh34v4hEYrZtJ3l9RElksIivrQF9ifDm0gpYiLQbu9FkFSKCZ7x5gMyElzEpZZ+IXeQZT 7Z09MYZ6pNhy9B5lcK6xvJ0iHnX/SlUzGsCRupD9NTr2Nlol+OM+jANMNoxfdeKVLfui+DL2nKf MHh5QlByR/bki8vW0ocPUKcUm9Xg3cYPJnpFeqI4L3Cin1rqR93v3EZI/rKhXX+OVICKKeL2FWh NvH+fG89/BUvKahHAFfFDK2jKbVlbnrtjN0OuWCMYS1oW2OHVwSi3cmZeylHwcIZ6UGF500Dczd JMK3l4KQhseaRdEBS8WqiXk92AvLBAfBMcR8TK7LDB6b1yKH1NBcHkV5RGJWt1lux9X3TY8y9Z4 zUWAy/IbRVauRYcZ9Rg== X-Authority-Analysis: v=2.4 cv=XbS5Co55 c=1 sm=1 tr=0 ts=6a591a6d cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=iQ6ETzBq9ecOQQE5vZCe:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=vMMF0QzAnVfWwn9IwzMA:9 X-Proofpoint-ORIG-GUID: cp4zkA07mAf7P0qUfr59_Tu35lzr9o4F X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-16_06,2026-07-15_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 spamscore=0 phishscore=0 lowpriorityscore=0 priorityscore=1501 adultscore=0 malwarescore=0 impostorscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607160181 Hi, This series attempts to fix some the pre-existing issues[1] found by sashiko. In v1 of the series, sashiko correctly pointed out some issues with the fix for AISB/AIBV spanning multiple pages and resource leaks that can happen over multiple ioctl calls for the same device. Fixing these will require some more rework and will be address later. [1] https://lore.kernel.org/all/20260624063447.85DF51F000E9@smtp.kernel.org/ Thanks Farhan ChangeLog --------- v1: https://lore.kernel.org/all/20260713172600.1284-1-alifm@linux.ibm.com/ v1 -> v2 - Drop fix handling AISB/AIBV spanning multiple pages. - Fix memory accounting functions for the case when interrupt forwarding is enabled by one process but disabled by a different process (patch 1). Farhan Ali (4): KVM: s390: pci: Fix memory accounting for pinned/unpinned pages KVM: s390: pci: Fix missing error codes and memory unaccounting KVM: s390: pci: Fix NULL dereference on AIBV allocation failure KVM: s390: pci: Fix resource leak on IRQ registration failure arch/s390/kvm/pci.c | 75 +++++++++++++++++++++++++++++++++++++-------- arch/s390/kvm/pci.h | 2 ++ 2 files changed, 64 insertions(+), 13 deletions(-) -- 2.43.0