diff options
| author | Kui-Feng Lee <kuifeng@meta.com> | 2023-03-22 20:24:03 -0700 |
|---|---|---|
| committer | Martin KaFai Lau <martin.lau@kernel.org> | 2023-03-22 22:53:02 -0700 |
| commit | 912dd4b0c2a50a839301520badb241f36664ae07 (patch) | |
| tree | 389be76c86c3de80341b8bf7678b213194c98744 /tools/lib/bpf/libbpf.map | |
| parent | aef56f2e918bf8fc8de25f0b36e8c2aba44116ec (diff) | |
libbpf: Update a bpf_link with another struct_ops.
Introduce bpf_link__update_map(), which allows to atomically update
underlying struct_ops implementation for given struct_ops BPF link.
Also add old_map_fd to struct bpf_link_update_opts to handle
BPF_F_REPLACE feature.
Signed-off-by: Kui-Feng Lee <kuifeng@meta.com>
Link: https://lore.kernel.org/r/20230323032405.3735486-7-kuifeng@meta.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Diffstat (limited to 'tools/lib/bpf/libbpf.map')
| -rw-r--r-- | tools/lib/bpf/libbpf.map | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/lib/bpf/libbpf.map b/tools/lib/bpf/libbpf.map index 50dde1f6521e..a5aa3a383d69 100644 --- a/tools/lib/bpf/libbpf.map +++ b/tools/lib/bpf/libbpf.map @@ -386,6 +386,7 @@ LIBBPF_1.1.0 { LIBBPF_1.2.0 { global: bpf_btf_get_info_by_fd; + bpf_link__update_map; bpf_link_get_info_by_fd; bpf_map_get_info_by_fd; bpf_prog_get_info_by_fd; |