On Tue, Feb 05, 2019 at 09:38:30PM -0800, Yonghong Song wrote:
> Commit 96408c43447a ("tools/bpf: implement libbpf
> btf__get_map_kv_tids() API function") refactored
> function bpf_map_find_btf_info() and moved bulk of
> implementation into btf.c as btf__get_map_kv_tids().
> This change introduced a bug such that test_btf will
> print out the following warning although the test passed:
> BTF libbpf test[2] (test_btf_nokv.o): libbpf: map:btf_map
> container_name:____btf_map_btf_map cannot be found
> in BTF. Missing BPF_ANNOTATE_KV_PAIR?
>
> Previously, the error message is guarded with pr_debug().
> Commit 96408c43447a changed it to pr_warning() and
> hence caused the warning.
>
> Restoring to pr_debug() for the message fixed the issue.
>
> Fixes: 96408c43447a ("tools/bpf: implement libbpf btf__get_map_kv_tids() API
> function")
> Signed-off-by: Yonghong Song <y...@fb.com>
Applied. It fixed the issue I was seeing. Thanks!
