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Wed, 16 Apr 2025 11:59:56 GMT Received: from smtpav01.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2D1B358055; Wed, 16 Apr 2025 11:59:56 +0000 (GMT) Received: from smtpav01.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 03AC15804B; Wed, 16 Apr 2025 11:59:54 +0000 (GMT) Received: from [9.179.17.252] (unknown [9.179.17.252]) by smtpav01.wdc07v.mail.ibm.com (Postfix) with ESMTP; Wed, 16 Apr 2025 11:59:53 +0000 (GMT) Message-ID: <690378151fed631c9ac75e09e595a4430d384679.camel@linux.ibm.com> Subject: Re: Patch "s390/pci: Support mmap() of PCI resources except for ISM devices" has been added to the 6.14-stable tree From: Niklas Schnelle To: stable@vger.kernel.org, stable-commits@vger.kernel.org Cc: Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Gerald Schaefer , Alexandra Winter , Thorsten Winkler , Bjorn Helgaas Date: Wed, 16 Apr 2025 13:59:53 +0200 In-Reply-To: <20250414104324.587191-1-sashal@kernel.org> References: <20250414104324.587191-1-sashal@kernel.org> Autocrypt: addr=schnelle@linux.ibm.com; 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charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.54.3 (3.54.3-1.fc41) Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: qa-qBG1-wBqtr0k6gaNxBR-ft2zXTx2K X-Proofpoint-GUID: K4aeSNnwCXctXglevOJ-fu4eTDX0SVh1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-16_04,2025-04-15_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 priorityscore=1501 bulkscore=0 mlxlogscore=999 impostorscore=0 spamscore=0 adultscore=0 clxscore=1011 mlxscore=0 suspectscore=0 lowpriorityscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2504160095 On Mon, 2025-04-14 at 06:43 -0400, Sasha Levin wrote: > This is a note to let you know that I've just added the patch titled >=20 > s390/pci: Support mmap() of PCI resources except for ISM devices >=20 > to the 6.14-stable tree which can be found at: > http://www.kernel.org/git/?p=3Dlinux/kernel/git/stable/stable-queue.g= it;a=3Dsummary >=20 > The filename of the patch is: > s390-pci-support-mmap-of-pci-resources-except-for-is.patch > and it can be found in the queue-6.14 subdirectory. >=20 > If you, or anyone else, feels it should not be added to the stable tree, > please let know about it. >=20 Hi Sasha, Including this in stable is fine but if you do please also pick up commit 41a0926e82f4 ("s390/pci: Fix s390_mmio_read/write syscall page fault handling") otherwise the mmap() with vfio-pci won't work on systems that rely on the MMIO syscalls but would already work on those that have the newer memory I/O feature. Meaning once you have the mmap() PCI resource suppot the cited commit becomes a relevant fix. Thanks, Niklas