mirror/libbpf
1
0
Fork 0
mirror of https://github.com/netdata/libbpf.git synced 2026-03-29 04:39:06 +08:00
Code Issues Packages Projects Releases Wiki Activity

libbpf: Update a bpf_link with another struct_ops.

Browse Source 
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>
This commit is contained in:
Kui-Feng Lee
2023-03-22 20:24:03 -07:00
committed by Andrii Nakryiko
parent 055cbdcc9f
commit e51cdaaca0
5 changed files with 46 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
src/libbpf.map
View File

@@ -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;