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Fri, 17 Oct 2025 09:25:51 +0000 (GMT) Received: from heavy.ibm.com (unknown [9.111.58.138]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 17 Oct 2025 09:25:51 +0000 (GMT) From: Ilya Leoshkevich To: stable@vger.kernel.org Cc: Ilya Leoshkevich Subject: [PATCH 6.12.y 0/4] s390/bpf: Tail call counter fixes Date: Fri, 17 Oct 2025 11:19:03 +0200 Message-ID: <20251017092550.88640-1-iii@linux.ibm.com> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: z3e8pF-DZP18Z4syRzYBXj_dQ5FeCY7I X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDEyMDA4NCBTYWx0ZWRfXxSiDvby1Gy4/ Eipu4eeP+fGNFEj45D43d/T7Q4ivz2qh79Z/ZShnBCX+7hm/Hy9FONTsbJteQ3h9WGbR7cg9r4X kt7s5iFCaVU3jkWPucnql2wrtRRSTH3MdvwUf/I9idHL6v/zcC1H+CpV28rEjyABGTfNJufhwpJ EUjblBseSm5TZ7pyQLGj5GAslY6tF7fHWzXOuY7FBEHuMoFQ9hw54nZQeOB+yhWgNMbDM04z1IQ hAMSN2YoS6lZFYCrppmOUHhVMbya6je4+TOdlxDOIKkICouvYYfoWJFf8NfZ5ft84bhjsgOyGIV Q10z5w+RQe7xxYfUdTm9sQPUesNEZHKWc8EMZbvH0thvu/LXBgznKkunytsoFwuboogg4mfkTBw XHKyqeyASVb/BL2Z0KO8TeeUXbKb2w== X-Proofpoint-GUID: z3e8pF-DZP18Z4syRzYBXj_dQ5FeCY7I X-Authority-Analysis: v=2.4 cv=af5sXBot c=1 sm=1 tr=0 ts=68f20ba5 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=x6icFKpwvdMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=pGLkceISAAAA:8 a=7Y2CGLhXa0D80JtmyR8A:9 a=HhbK4dLum7pmb74im6QT:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-17_03,2025-10-13_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 spamscore=0 adultscore=0 suspectscore=0 bulkscore=0 phishscore=0 lowpriorityscore=0 malwarescore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510020000 definitions=main-2510120084 Hi, As discussed in [1], here are the backports of the s390 BPF tail counter fixes. Commits 1-2 are NFC prerequisites, commits 3-4 are fixes themselves. [1] https://lore.kernel.org/stable/CA+G9fYsdErtgqKuyPfFhMS9haGKavBVCHQnipv2EeXM3OK0-UQ@mail.gmail.com/ Best regards, Ilya Ilya Leoshkevich (4): s390/bpf: Centralize frame offset calculations s390/bpf: Describe the frame using a struct instead of constants s390/bpf: Write back tail call counter for BPF_PSEUDO_CALL s390/bpf: Write back tail call counter for BPF_TRAMP_F_CALL_ORIG arch/s390/net/bpf_jit.h | 55 -------------- arch/s390/net/bpf_jit_comp.c | 139 ++++++++++++++++++++++------------- 2 files changed, 86 insertions(+), 108 deletions(-) delete mode 100644 arch/s390/net/bpf_jit.h -- 2.51.0