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| author | Toke Høiland-Jørgensen <toke@redhat.com> | 2020-03-29 15:22:53 +0200 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2020-03-30 01:17:35 +0200 |
| commit | e5fb60ee4c958b92686830ecfaf5e60bbd139130 (patch) | |
| tree | d347b0b3979feee72d5b4a87edd55fb03a1fc0e8 /tools/testing/selftests/bpf/progs/test_global_data.c | |
| parent | libbpf: Add setter for initial value for internal maps (diff) | |
| download | linux-e5fb60ee4c958b92686830ecfaf5e60bbd139130.tar.gz linux-e5fb60ee4c958b92686830ecfaf5e60bbd139130.zip | |
selftests: Add test for overriding global data value before load
This adds a test to exercise the new bpf_map__set_initial_value() function.
The test simply overrides the global data section with all zeroes, and
checks that the new value makes it into the kernel map on load.
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200329132253.232541-2-toke@redhat.com
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_global_data.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/test_global_data.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_global_data.c b/tools/testing/selftests/bpf/progs/test_global_data.c index dd7a4d3dbc0d..1319be1c54ba 100644 --- a/tools/testing/selftests/bpf/progs/test_global_data.c +++ b/tools/testing/selftests/bpf/progs/test_global_data.c @@ -68,7 +68,7 @@ static struct foo struct3 = { bpf_map_update_elem(&result_##map, &key, var, 0); \ } while (0) -SEC("static_data_load") +SEC("classifier/static_data_load") int load_static_data(struct __sk_buff *skb) { static const __u64 bar = ~0; |