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Tue, 14 Jul 2026 23:22:12 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.87.85.9]) by smtpav05.fra02v.mail.ibm.com (Postfix) with SMTP; Tue, 14 Jul 2026 23:22:12 +0000 (GMT) Received: by tuxmaker.boeblingen.de.ibm.com (Postfix, from userid 4958) id 193AD16263C; Wed, 15 Jul 2026 01:22:12 +0200 (CEST) From: Eric Farman To: linux-s390@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Matthew Rosato , Halil Pasic , Christian Borntraeger , Eric Farman Subject: [PATCH v1 0/6] s390/vfio_ccw fixes Date: Wed, 15 Jul 2026 01:22:02 +0200 Message-ID: <20260714232208.1683788-1-farman@linux.ibm.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=fOcJG5ae c=1 sm=1 tr=0 ts=6a56c4a9 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=8VNdgESh-TNV8XaPrrcA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE0MDI0MCBTYWx0ZWRfX1CB1bD0VRXOf RI43kS2FzwPDtyLey9ti5I+poYGBqIoTLKAXCPyHmhkZykDsMj0vV62gXbW4Xg3bPGJI1Vqywqs hT1/7UhBDLYyQJJoqhMtJKqi01m45P7TMYKNg7ZVA1DPly9Y4eF8++DXWz6JSGWvmoisZ4B2q7G bZXStoxe+N1Bo86mo+s+iMCIPMvyHaHf874xbcC++FNBYP9XMj7VOnOWZ+TgbOl5pV5stcHBq8d dj2K7S8FwVz0tTxZdqx/lzd3hYiGYlIo0qisFjBCl5DCws2phGfYYd2soJj5NMxe+l4oTgkQTfN /pbjlqesasL+uhYWGRuOinGAZHUZY8Wxe6bDwkfZ3eMdnDjtgvWWvR8SyMzI6hqmVrtmWrQVk0i wUyES3F787iGC1oQje1eKxYchBA8D+FgHA5c4vq6axU7gpSvzKtqZF9OUKXzkeis3G/UL20Jp+9 kJr9PD6wF6vU99xXcsQ== X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE0MDI0MCBTYWx0ZWRfX/1r7RADanBpC vZoPbAeLjpLgP0jNOJfMAEj+ZgqwylONMoo9/6itQwxPXSyXYVMqyXV6yd/iyXk2O8TvW1B0TD/ sVRvt+NjreMOoi1DFdKelTpEDsYjSQw= X-Proofpoint-GUID: w-QCkZmlElVJiHBq7x-Y6RYpFmKx1CrW X-Proofpoint-ORIG-GUID: w-QCkZmlElVJiHBq7x-Y6RYpFmKx1CrW 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=2026-07-14_05,2026-07-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 bulkscore=0 impostorscore=0 suspectscore=0 adultscore=0 priorityscore=1501 malwarescore=0 clxscore=1015 phishscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607140240 This series addresses some pre-existing issues found in the s390 vfio_ccw (dasd passthrough) driver. Eric Farman (6): s390/vfio_ccw: fix out of bounds check on CCW array s390/vfio_ccw: limit the number of channel program segments s390/vfio_ccw: free all memory if cp_init() fails s390/vfio_ccw: copy maximum possible IDAL from guest s390/vfio_ccw: ensure index for read/write regions are within range s390/vfio_ccw: lock I/O resources alongside I/O regions drivers/s390/cio/vfio_ccw_chp.c | 2 +- drivers/s390/cio/vfio_ccw_cp.c | 58 +++++++++++++++++++++-------- drivers/s390/cio/vfio_ccw_cp.h | 7 ++++ drivers/s390/cio/vfio_ccw_drv.c | 2 + drivers/s390/cio/vfio_ccw_fsm.c | 5 +++ drivers/s390/cio/vfio_ccw_ops.c | 13 ++++++- drivers/s390/cio/vfio_ccw_private.h | 2 +- 7 files changed, 70 insertions(+), 19 deletions(-) --=20 2.53.0