diff options
| author | Yonghong Song <yhs@fb.com> | 2020-09-08 10:57:03 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2020-09-08 18:04:07 -0700 |
| commit | e6054fc1f865ac46936a6b5517ae2d36554c94f8 (patch) | |
| tree | 5becefbbc55a9fdf4d430224f063c63eab8a2cec /tools/testing/selftests/bpf/progs | |
| parent | 7c6967326267bd5c0dded0a99541357d70dd11ac (diff) | |
selftests/bpf: Add test for map_ptr arithmetic
Change selftest map_ptr_kern.c with disabling inlining for
one of subtests, which will fail the test without previous
verifier change. Also added to verifier test for both
"map_ptr += scalar" and "scalar += map_ptr" arithmetic.
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200908175703.2463721-1-yhs@fb.com
Diffstat (limited to 'tools/testing/selftests/bpf/progs')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/map_ptr_kern.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/progs/map_ptr_kern.c b/tools/testing/selftests/bpf/progs/map_ptr_kern.c index 982a2d8aa844..c325405751e2 100644 --- a/tools/testing/selftests/bpf/progs/map_ptr_kern.c +++ b/tools/testing/selftests/bpf/progs/map_ptr_kern.c @@ -82,6 +82,14 @@ static inline int check_default(struct bpf_map *indirect, return 1; } +static __noinline int +check_default_noinline(struct bpf_map *indirect, struct bpf_map *direct) +{ + VERIFY(check(indirect, direct, sizeof(__u32), sizeof(__u32), + MAX_ENTRIES)); + return 1; +} + typedef struct { int counter; } atomic_t; @@ -107,7 +115,7 @@ static inline int check_hash(void) struct bpf_map *map = (struct bpf_map *)&m_hash; int i; - VERIFY(check_default(&hash->map, map)); + VERIFY(check_default_noinline(&hash->map, map)); VERIFY(hash->n_buckets == MAX_ENTRIES); VERIFY(hash->elem_size == 64); |