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Tue, 28 Jul 2026 14:45:03 +0000 (GMT) Received: from [9.111.53.50] (unknown [9.111.53.50]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 28 Jul 2026 14:45:03 +0000 (GMT) Message-ID: <80896252-0a30-4342-8b8a-99398fcd6518@linux.ibm.com> Date: Tue, 28 Jul 2026 16:45:03 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 00/10] s390/vfio_ccw fixes To: Eric Farman , linux-s390@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Matthew Rosato , Halil Pasic References: <20260728033022.2658232-1-farman@linux.ibm.com> Content-Language: en-US From: Christian Borntraeger In-Reply-To: <20260728033022.2658232-1-farman@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: AbBB3A9RdXySX1dd9LMGBqkLe-ccleY4 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzI4MDEyNyBTYWx0ZWRfX8HRDpUQrV5g3 NdhxfAVdcSNy8pLssffGZh6hz2BdOJSqjdgvsFaZtfHc4pN7Q8WNk0BLcxtHPTMKnWFh3gNauoJ kVuaxX/rkKwjYIE2xruOrE9hiW8wjkw= X-Authority-Analysis: v=2.4 cv=E/z9Y6dl c=1 sm=1 tr=0 ts=6a68c074 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=iJOlJMigZu3LgI6iOywA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzI4MDEyNyBTYWx0ZWRfX1j1pJ456oaoN i+Y2HOsf6I31PNOd4/P9gZGJVSyHpGcZ0lykWKOeTdwHBb6yXQqHoRvYAZuQccGVvIpawvZMyH/ ZQ+cFrrdeXct6kXLCT1950rHglwEznaX6Jq6JMD2OrH+6shzMMWFILPp+AmiP5KHEdEYavVLnKs dNqivQyOXXYLFTMfi3KrEbZCB22E1CQ/yKF5L7rTRjL3hfx2pS4AVIPBRNeBK8wGvqO6I8F8Bo8 WxblmCTNqX+yGAguiiSyTQgFTvuExHvuLPK1ACkI1clB1SkessqSyvgMZFgMFxoLLR3g/VHq3aB qe7bimkgwKEY9w/Ejbr5MIXEzn7C5j2QoYg+nCEgVd3z5VO8+wgJOhPje936O4wHVetRA9EyTGi enPknflf/hl6U0YNROoMQJeRPa4muoEFCGV/3iJc6jWwPV5Ot31ZNdUpAFCoKWT2qfI/T0triGO ZD8rY2d7nkWpVxHgWtg== X-Proofpoint-GUID: AbBB3A9RdXySX1dd9LMGBqkLe-ccleY4 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=2026-07-28_03,2026-07-28_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 priorityscore=1501 spamscore=0 clxscore=1015 phishscore=0 lowpriorityscore=0 bulkscore=0 malwarescore=0 impostorscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607280127 Am 28.07.26 um 05:30 schrieb Eric Farman: > This series addresses some pre-existing issues found in the > s390 vfio_ccw (DASD passthrough) driver. > > Patches 1-6 are identical to v6/v7/v8 > Patches 7-10 have minor changes compared to v7/v8 > > v1: https://lore.kernel.org/r/20260714232208.1683788-1-farman@linux.ibm.com/ > v2: https://lore.kernel.org/r/20260720201931.976660-1-farman@linux.ibm.com/ > v3: https://lore.kernel.org/r/20260723174751.1180334-1-farman@linux.ibm.com/ > v4: https://lore.kernel.org/r/20260725152705.3958100-1-farman@linux.ibm.com/ > v5: https://lore.kernel.org/r/20260726040129.2946151-1-farman@linux.ibm.com/ > v6: https://lore.kernel.org/r/20260726172153.1818056-1-farman@linux.ibm.com/ > v7: https://lore.kernel.org/r/20260727192230.2715207-1-farman@linux.ibm.com/ > v8: https://lore.kernel.org/r/20260728013509.1551753-1-farman@linux.ibm.com/ > v8->v9: > - [MR] Added r-b (thank you!) > - [MR] Commit/comment message improvements > - [MR/sashiko] Re-add workqueue cleanup to vfio_ccw_mdev_release_dev, in the > form of a flush_work() call > > Eric Farman (10): > s390/vfio_ccw: free all memory if cp_init() fails > s390/vfio_ccw: limit the number of channel program segments > s390/vfio_ccw: fix out of bounds check on CCW array > s390/vfio_ccw: ensure first IDAW remains constant > s390/vfio_ccw: calculate idal length based on idaw type > s390/vfio_ccw: ensure index for read/write regions are within range > s390/vfio_ccw: cancel existing workqueues > s390/vfio_ccw: move cp cleanup out of not operational > s390/vfio_ccw: selectively expand io_mutex > s390/vfio_ccw: implement a crw lock > > drivers/s390/cio/vfio_ccw_async.c | 16 +++++++ > drivers/s390/cio/vfio_ccw_chp.c | 31 ++++++++++-- > drivers/s390/cio/vfio_ccw_cp.c | 74 +++++++++++++++++++++-------- > drivers/s390/cio/vfio_ccw_cp.h | 10 ++++ > drivers/s390/cio/vfio_ccw_drv.c | 21 +++++++- > drivers/s390/cio/vfio_ccw_fsm.c | 8 +++- > drivers/s390/cio/vfio_ccw_ops.c | 39 +++++++++++++-- > drivers/s390/cio/vfio_ccw_private.h | 10 +++- > 8 files changed, 176 insertions(+), 33 deletions(- All applied. Thank you.