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Tue, 18 Aug 2026 20:41:31 +0000 (GMT) Received: from [9.61.131.241] (unknown [9.61.131.241]) by smtpav02.dal12v.mail.ibm.com (Postfix) with ESMTP; Tue, 18 Aug 2026 20:41:31 +0000 (GMT) Message-ID: <4680572d-1332-47b7-82a8-d0f96caa3f8e@linux.ibm.com> Date: Tue, 18 Aug 2026 16:41:30 -0400 Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 1/1] s390/vfio-ap: fix KVM GISC and page leak when queue removed from host config To: Anthony Krowiak , linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: jjherne@linux.ibm.com, borntraeger@de.ibm.com, pasic@linux.ibm.com, alex@shazbot.org, kwankhede@nvidia.com, fiuczy@linux.ibm.com, pbonzini@redhat.com, frankja@linux.ibm.com, imbrenda@linux.ibm.com, agordeev@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, stable@vger.kernel.org References: <20260818193349.1877940-1-akrowiak@linux.ibm.com> <20260818193349.1877940-2-akrowiak@linux.ibm.com> Content-Language: en-US From: Matthew Rosato In-Reply-To: <20260818193349.1877940-2-akrowiak@linux.ibm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: u85W8vdoVRHnoB6pDhpaEYLvjxPONZGb X-Authority-Analysis: v=2.4 cv=NLLlPU6g c=1 sm=1 tr=0 ts=6a84c37e cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=ksE9VoHb2XX14hlrD9IA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-Spam-Info: AW1haW4tMjYwODE4MDE1MCBTYWx0ZWRfX5iah1t1lRmPJ Xdczoe8JzM+xcbs6NcvV0A1kvJ0f/WlJEOamGMsECT9QsFcvW1J0mus6iSdqKQ+BDlKfROghS22 3tNNLsq2nvLlejqzJqL0by9OX+PGcbA= X-Proofpoint-ORIG-GUID: u85W8vdoVRHnoB6pDhpaEYLvjxPONZGb X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODE4MDE1MCBTYWx0ZWRfX3ccnP85r5z6z h/ZNpHe+B9JfAKW8rWHiKvYWKCp500zj0f5x3IS4aenqqBZc9Adx4EAR6iPQThZvVZL/t+xp5Pl 7m6ELMqWYPON4Pfup2SiEdM75w8YKBb1fmdG2QV11pd4Ax8UJm8s1LiWYeSdP6AleNUssGRxhoX iU7spLQbkUfPfciZG2kcLyLpo+KhAt61m8s09S6jyxg/FFuGJygTZp6h2CMCyfOqKa/VXAoNFWB CYjsAoZ2y2dZOSHLqZ9+MDo9oiDOxzezZbXSSO5Sima9quzKa5rfpL///ThRYIDkHR+RjN/jFiQ o7YPmZnAO91ovK7I9R79y3RE8IBj7Y61aPdZDCDyjUU0Tw2RKnhj+eBvLcL5sJkOwpXg0Csaei+ MOUutaTYq48kMLBuWW2Mj07XA78zsGSwg1NEYUj1syNIdvCPTRK9Qoqd8H/qIcT3Q2qOE48XOpd 4UDf3bBEwfYSRMlQ2ng== 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=2026-08-18_04,2026-08-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 spamscore=0 lowpriorityscore=0 phishscore=0 impostorscore=0 malwarescore=0 suspectscore=0 clxscore=1015 adultscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608180150 On 8/18/26 3:33 PM, Anthony Krowiak wrote: > Three related problems exist in the handling of KVM interrupt and page > resources when a queue is removed from the host's AP configuration > while assigned to a mediated device (mdev). > ... > > Fixes: b9bd10c43456d ("s390/vfio-ap: do not reset queue removed from host config") > Cc: stable@vger.kernel.org > Signed-off-by: Anthony Krowiak > Reviewed-by: Matthew Rosato Changes LGTM, my review stands. Thanks, Matt