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4 Commits

Author SHA1 Message Date
David Vernet
7dd880592a bpf/selftests: Verify struct_ops prog sleepable behavior 
In a set of prior changes, we added the ability for struct_ops programs
to be sleepable. This patch enhances the dummy_st_ops selftest suite to
validate this behavior by adding a new sleepable struct_ops entry to
dummy_st_ops.

Signed-off-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/r/20230125164735.785732-5-void@manifault.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2023-01-25 10:25:57 -08:00
Martin KaFai Lau
0a210af6d0 bpf: selftests: Test fentry tracing a struct_ops program 
This patch tests attaching an fentry prog to a struct_ops prog.

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20220330011502.2985292-1-kafai@fb.com
 2022-03-30 19:31:30 -07:00
Delyan Kratunov
3931618378 selftests/bpf: Migrate from bpf_prog_test_run_xattr 
bpf_prog_test_run_xattr is being deprecated in favor of the OPTS-based
bpf_prog_test_run_opts.
We end up unable to use CHECK_ATTR so replace usages with ASSERT_* calls.
Also, prog_run_xattr is now prog_run_opts.

Signed-off-by: Delyan Kratunov <delyank@fb.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220202235423.1097270-3-delyank@fb.com
 2022-02-02 22:31:18 -08:00
Hou Tao
31122b2f76 selftests/bpf: Add test cases for struct_ops prog 
Running a BPF_PROG_TYPE_STRUCT_OPS prog for dummy_st_ops::test_N()
through bpf_prog_test_run(). Four test cases are added:
(1) attach dummy_st_ops should fail
(2) function return value of bpf_dummy_ops::test_1() is expected
(3) pointer argument of bpf_dummy_ops::test_1() works as expected
(4) multiple arguments passed to bpf_dummy_ops::test_2() are correct

Signed-off-by: Hou Tao <houtao1@huawei.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20211025064025.2567443-5-houtao1@huawei.com
 2021-11-01 14:10:00 -07:00