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Wed, 28 Oct 2026 10:59:53 +0000 (GMT) Received: from [0.0.0.0] (unknown [9.111.73.9]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 28 Oct 2026 10:59:53 +0000 (GMT) Message-ID: Date: Wed, 28 Oct 2026 11:59:53 +0100 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 05/10] s390/module: Serialize text patching with text_mutex To: Heiko Carstens , Alexander Gordeev , Sven Schnelle , Vasily Gorbik , Christian Borntraeger Cc: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org References: <20261027143030.3154657-1-hca@linux.ibm.com> <20261027143030.3154657-6-hca@linux.ibm.com> Content-Language: en-US From: Ilya Leoshkevich In-Reply-To: <20261027143030.3154657-6-hca@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=BOMmP1QG c=1 sm=1 tr=0 ts=6ae1d5ae cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=VnNF1IyMAAAA:8 a=HpabCH1pQI9q6Scd3zQA:9 a=QEXdDO2ut3YA:10 a=ZXulRonScM0A:10 X-Proofpoint-ORIG-GUID: cjWpqtrfv6lOBw7j7NfGt5p1Rzs8uNoU X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDI4MDA0MiBTYWx0ZWRfX0i5WyqVmTFeI 9/XuMh0LVGYULb0efmeYMNWqcf1LgLi91XfL0ZSePt5ucxUWjlcAJ5zDej7nko5Y0d0e/QPqqOn JSK3l1n/Dfk0iOC2qDbGRB1N2aVSywZ/NUw9cAlvBZ/qB5TGJ03fZZU0CyJ8elBBbE4sZa7zUkt TiZVmWBdqzzG+sTwOAHydDGIkXbgGHBaG76c+4OCktHKMbbKC9ye+MX2UM5SrkRVMT+dnukam10 TDfkB3yAe6q8IRD78yR2uTbPw6ySQ7EJl0p/Mq3RQll7bv1sya8W88m6Oho1TmQGop2MAyL4fXq fn0E7J9f98+FcHUN+QSWhgrXj7SPMKUQ/EKd8MmTRZKzUN1xMTm2rrtBUu8EYtPd8FG6YHRHrlL zZXxBG0tR3ww7O/T3vdGnsD6OGkZ1ySGupjzzjkON48zFGJAGuZhdo3H/FLqiwcHphgZ5t66FzX W7UnXJ5AEop38fU3lUA== X-Proofpoint-GUID: cjWpqtrfv6lOBw7j7NfGt5p1Rzs8uNoU X-Proofpoint-Spam-Info: AW1haW4tMjYxMDI4MDA0MiBTYWx0ZWRfXx9uDGpZtJ71u u1GVfKCEdMzJuwrA/GGgjwdl8qsiUX0Q8F638fdGUMmNaqqMNQvT+Fnum7dLtDq4H278p6rRua1 GlJ4RLwjEd1mq9aTs5GFQoFWAXJsEzo= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-10-28_03,2026-10-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 bulkscore=0 malwarescore=0 clxscore=1015 spamscore=0 phishscore=0 adultscore=0 impostorscore=0 priorityscore=1501 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610280042 On 10/27/26 15:30, Heiko Carstens wrote: > Acquire text_mutex in apply_relocate_add() in order to serialize text > patching. > > This is part of larger series where at the end s390_kernel_write() > requires that callers hold text_mutex for serialization. > > Signed-off-by: Heiko Carstens > --- > arch/s390/kernel/module.c | 1 + > 1 file changed, 1 insertion(+) Reviewed-by: Ilya Leoshkevich