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2022-05-11selftests/bpf: make fexit_stress test run in serial modeAndrii Nakryiko1-1/+1
fexit_stress is attaching maximum allowed amount of fexit programs to bpf_fentry_test1 kernel function, which is used by a bunch of other parallel tests, thus pretty frequently interfering with their execution. Given the test assumes nothing else is attaching to bpf_fentry_test1, mark it serial. Suggested-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/r/20220511232012.609370-1-andrii@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-04-23selftests/bpf: Switch fexit_stress to bpf_link_create() APIAndrii Nakryiko1-1/+1
Use bpf_link_create() API in fexit_stress test to attach FEXIT programs. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Kui-Feng Lee <kuifeng@fb.com> Link: https://lore.kernel.org/bpf/20220421033945.3602803-4-andrii@kernel.org
2022-02-02selftests/bpf: Migrate from bpf_prog_test_runDelyan Kratunov1-11/+11
bpf_prog_test_run is being deprecated in favor of the OPTS-based bpf_prog_test_run_opts. We end up unable to use CHECK in most cases, so replace usages with ASSERT_* calls. Signed-off-by: Delyan Kratunov <delyank@fb.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20220202235423.1097270-2-delyank@fb.com
2021-11-07selftests/bpf: Convert legacy prog load APIs to bpf_prog_load()Andrii Nakryiko1-16/+17
Convert all the uses of legacy low-level BPF program loading APIs (mostly bpf_load_program_xattr(), but also some bpf_verify_program()) to bpf_prog_load() uses. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20211103220845.2676888-10-andrii@kernel.org
2021-02-11bpf: Add per-program recursion prevention mechanismAlexei Starovoitov1-2/+2
Since both sleepable and non-sleepable programs execute under migrate_disable add recursion prevention mechanism to both types of programs when they're executed via bpf trampoline. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210210033634.62081-5-alexei.starovoitov@gmail.com
2019-11-15selftests/bpf: Add stress test for maximum number of progsAlexei Starovoitov1-0/+76
Add stress test for maximum number of attached BPF programs per BPF trampoline. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20191114185720.1641606-13-ast@kernel.org