selftests/bpf: Switch sk_lookup selftests to strict SEC("sk_lookup") use

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Update "sk_lookup/" definition to be a stand-alone type specifier,
with backwards-compatible prefix match logic in non-libbpf-1.0 mode.

Currently in selftests all the "sk_lookup/<whatever>" uses just use
<whatever> for duplicated unique name encoding, which is redundant as
BPF program's name (C function name) uniquely and descriptively
identifies the intended use for such BPF programs.

With libbpf's SEC_DEF("sk_lookup") definition updated, switch existing
sk_lookup programs to use "unqualified" SEC("sk_lookup") section names,
with no random text after it.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Dave Marchevsky <davemarchevsky@fb.com>
Link: https://lore.kernel.org/bpf/20210928161946.2512801-11-andrii@kernel.org

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This commit is contained in:

Andrii Nakryiko 2021-09-28 09:19:46 -07:00 • committed by Alexei Starovoitov

parent dd94d45cf0

commit 7c80c87ad5

2 changed files with 20 additions and 20 deletions

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2

tools/lib/bpf/libbpf.c

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38

tools/testing/selftests/bpf/progs/test_sk_lookup.c

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