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libbpf: Add libbpf_set_strict_mode() API to turn on libbpf 1.0 behaviors

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Add libbpf_set_strict_mode() API that allows application to simulate libbpf
1.0 breaking changes before libbpf 1.0 is released. This will help users
migrate gradually and with confidence.

For now only ALL or NONE options are available, subsequent patches will add
more flags. This patch is preliminary for selftests/bpf changes.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://lore.kernel.org/bpf/20210525035935.1461796-2-andrii@kernel.org
This commit is contained in:
Andrii Nakryiko
2021-05-24 20:59:31 -07:00
committed by Andrii Nakryiko
parent 234dea015b
commit 12eb2666d9
4 changed files with 70 additions and 0 deletions
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src/libbpf.map
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@@ -370,3 +370,8 @@ LIBBPF_0.4.0 {
bpf_tc_hook_destroy;
bpf_tc_query;
} LIBBPF_0.3.0;
LIBBPF_0.5.0 {
global:
libbpf_set_strict_mode;
} LIBBPF_0.4.0;