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| author |   Hou Tao <houtao1@huawei.com> | 2022-08-10 16:05:38 +0800 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2022-08-10 10:12:48 -0700 |
| commit | c5c0981fd81d35233d625631f13000544c108c53 (patch) | |
| tree | c52167a536ba9d17dff5c4762b881bfaafd49899 /tools/testing/selftests/bpf/progs/bpf_iter_bpf_hash_map.c | |
| parent | selftests/bpf: Add write tests for sk local storage map iterator (diff) | |
| download | linux-dev-c5c0981fd81d35233d625631f13000544c108c53.tar.xz linux-dev-c5c0981fd81d35233d625631f13000544c108c53.zip | |
selftests/bpf: Ensure sleepable program is rejected by hash map iter
Add a test to ensure sleepable program is rejected by hash map iterator.
Signed-off-by: Hou Tao <houtao1@huawei.com>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/r/20220810080538.1845898-10-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/bpf_iter_bpf_hash_map.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_bpf_hash_map.c b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_hash_map.c index 0aa3cd34cbe3..d7a69217fb68 100644 --- a/tools/testing/selftests/bpf/progs/bpf_iter_bpf_hash_map.c +++ b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_hash_map.c @@ -112,3 +112,12 @@ int dump_bpf_hash_map(struct bpf_iter__bpf_map_elem *ctx) return 0; } + +SEC("iter.s/bpf_map_elem") +int sleepable_dummy_dump(struct bpf_iter__bpf_map_elem *ctx) +{ + if (ctx->meta->seq_num == 0) + BPF_SEQ_PRINTF(ctx->meta->seq, "map dump starts\n"); + + return 0; +} |