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Thu, 24 Sep 2026 10:47:34 +0000 (GMT) Received: from li-fa2166e9-1f7d-4f1a-8ca5-7ccf0f022c25.ehn-de.ibm.com (unknown [9.224.79.183]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Thu, 24 Sep 2026 10:47:34 +0000 (GMT) From: Maximilian Immanuel Brandtner To: oberpar@linux.ibm.com, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org Cc: hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, brueckner@linux.ibm.com, mjrosato@linux.ibm.com, farman@linux.ibm.com, maximilian.immanuel.brandtner@protonmail.com Subject: [PATCH v3 0/2] s390/sclp: Resize for sclp-vt220 console Date: Thu, 24 Sep 2026 12:47:30 +0200 Message-ID: <20260924104732.1978942-1-maxbr@linux.ibm.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-ORIG-GUID: EQaQ9uLcJDRk9w7JmupZKBLsJtTL659S X-Authority-Analysis: v=2.4 cv=I43w19gg c=1 sm=1 tr=0 ts=6ab4ffcb cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=VdqzKS8jKosA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=iQ6ETzBq9ecOQQE5vZCe:22 a=VwQbUJbxAAAA:8 a=pGLkceISAAAA:8 a=_utb3vzC3PctqlYe5i0A:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTI0MDA0NCBTYWx0ZWRfXw9BWMymLy8xR zvQgjqSWAKSe2HWQNXH0kqYfLd69BoX7pc7/ENnMVF+wELeyftMnWsQ+sRXUdvJ6Fnk0Qk2Jcyz Jsql4diT3Gy2TVnyDeWeBL+JAEQ1T1Au80J2RoafgBYuKoaRhO1CRxO24VxCR8mow0bdMeDwb42 p1JJqYcHt5rwuzN+hFfgM9xew+NDF4COWSf6NyV5xY2qsI8U9epZMdLso6NYiJOEMswPOD/ZEsH UDP9oyqA+33kFAwtmh9RBJwm0eeJJWX4VwfDW//merBUJ5pM4slX2uu4VbbKNXe1FTFyBDyau+0 I+hEDKh61iZEjbqVkU5GK4Oeu4BJg5x62k6O1+0I8KV3WNGjkur03gCYaiZ7/za5t6wIRft03lb Ez4dLYv7Th2Wv9Ce/0WajQy1DkvJ1WbxYuRoKtBglrLjPa00DonmyLd7yj3rwu+JKieM7uKVXVS wPPX7cfrrRpdK2Ok87A== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTI0MDA0NCBTYWx0ZWRfX+9SG6QBIlAPT CmEb+OfuAffUknvtRI+8QGTzGVdgRqDsMV1wzy7XaUyFccFBJrud2DmgUbi0voQS+5jsdnqALcv DoGYoqdwW3pg9SbrOu9mSxAK5lAG/KE= X-Proofpoint-GUID: LGgjYQ_8nwFIO6LYwTKINWItZNzfwCnG 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=2026-09-24_02,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 clxscore=1015 adultscore=0 suspectscore=0 impostorscore=0 lowpriorityscore=0 bulkscore=0 phishscore=0 priorityscore=1501 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609240044 This patch-set implements resize event handling for the sclp-vt220 console and refactors some of the surrounding code. --- v3: - guard against races when setting the initial winsize - validate sclp header length v2: - don't set the initial winsize asynchronously - validate sclp buffer length Testing: - Tested on QEMU: commit 38879a667f with the following patches applied: [PATCH] s390x/sclpconsole: implement resizing for vt220 consoles [PATCH v7 00/12] virtio-console: notify about the terminal size (https://lore.kernel.org/qemu-devel/20260609-console-resize-v7-0-0c550fdcec15@gmail.com/) - Tested on linux-next (commit c1f49dea2b8f) Maximilian Immanuel Brandtner (2): s390/sclp: Introduce dedicated sclp-vt220 event buffer type s390/sclp: Implement resize for sclp-vt220 console drivers/s390/char/sclp_vt220.c | 87 +++++++++++++++++++++++++++++----- 1 file changed, 74 insertions(+), 13 deletions(-) -- 2.54.0