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| author | Ihor Solodrai <ihor.solodrai@linux.dev> | 2026-07-22 16:35:15 -0700 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2026-07-30 12:48:08 -0700 |
| commit | 91efe50e3042ffe08eb7f0d77938cf237992241e (patch) | |
| tree | f67de5c0373a8a2c3648d7c3ebc6a74dba5e3455 | |
| parent | ef242559eb483466a959020af2e404bda77b0015 (diff) | |
| download | linux-91efe50e3042ffe08eb7f0d77938cf237992241e.tar.gz linux-91efe50e3042ffe08eb7f0d77938cf237992241e.zip | |
resolve_btfids: Fix the _impl lookup for module BTF
process_kfunc_with_implicit_args() skips generating <name>_impl
function when one already exists for backwards compatibility.
It uses btf__find_by_name_kind(), which searches the base BTF before
the split BTF. When resolve_btfids processes a module, a same-named
_impl in vmlinux would be found and the module's own counterpart would
not be created.
Fix by using btf__find_by_name_kind_own() for the lookup.
Signed-off-by: Ihor Solodrai <ihor.solodrai@linux.dev>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Reviewed-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/bpf/20260722233518.778854-6-ihor.solodrai@linux.dev
| -rw-r--r-- | tools/bpf/resolve_btfids/main.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/bpf/resolve_btfids/main.c b/tools/bpf/resolve_btfids/main.c index de4986e1bc3d..ab3ab3045592 100644 --- a/tools/bpf/resolve_btfids/main.c +++ b/tools/bpf/resolve_btfids/main.c @@ -1232,7 +1232,7 @@ static int process_kfunc_with_implicit_args(struct btf2btf_context *ctx, struct return -E2BIG; } - if (btf__find_by_name_kind(btf, tmp_name, BTF_KIND_FUNC) > 0) { + if (btf__find_by_name_kind_own(btf, tmp_name, BTF_KIND_FUNC) > 0) { pr_debug("resolve_btfids: function %s already exists in BTF\n", tmp_name); goto add_new_proto; } |