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Tue, 24 Feb 2026 01:22:25 -0800 (PST) Received: from 7940hx ([103.173.155.241]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ad7500e2b2sm97181695ad.52.2026.02.24.01.22.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Feb 2026 01:22:25 -0800 (PST) From: Menglong Dong X-Google-Original-From: Menglong Dong To: ast@kernel.org, iii@linux.ibm.com Cc: daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, bpf@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH bpf-next v2 0/3] bpf: fsession support for s390 Date: Tue, 24 Feb 2026 17:22:05 +0800 Message-ID: <20260224092208.1395085-1-dongml2@chinatelecom.cn> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Implement bpf fsession for the s390 architecture. Changes v2 -> v1: * keep LGHI as it was in the 1st patch * fix up the comment style * remove the unnecessary checking of fentry->nr_links and fexit->nr_links in the 2nd patch * v1: https://lore.kernel.org/bpf/20260223084022.653186-1-dongml2@chinatelecom.cn/ Menglong Dong (3): bpf,s390: introduce emit_store_stack_imm64() for trampoline bpf,s390: add fsession support for trampolines selftests/bpf: factor out get_func_* tests for fsession arch/s390/net/bpf_jit_comp.c | 95 ++++++++++++++----- .../bpf/prog_tests/get_func_args_test.c | 25 ++++- .../bpf/prog_tests/get_func_ip_test.c | 28 +++++- .../bpf/progs/get_func_args_fsession_test.c | 37 ++++++++ .../selftests/bpf/progs/get_func_args_test.c | 38 -------- .../bpf/progs/get_func_ip_fsession_test.c | 21 ++++ .../selftests/bpf/progs/get_func_ip_test.c | 23 ----- 7 files changed, 178 insertions(+), 89 deletions(-) create mode 100644 tools/testing/selftests/bpf/progs/get_func_args_fsession_test.c create mode 100644 tools/testing/selftests/bpf/progs/get_func_ip_fsession_test.c -- 2.53.0