On 9/7/20 8:08 PM, Stephen Rothwell wrote:
Hi all,After merging the bpf-next tree, today's linux-next build (powerpcle perf) failed like this: util/bpf-loader.c: In function 'config_bpf_program': util/bpf-loader.c:331:2: error: 'bpf_program__title' is deprecated: BPF program title is confusing term; please use bpf_program__section_name() instead [-Werror=deprecated-declarations] 331 | config_str = bpf_program__title(prog, false); | ^~~~~~~~~~ In file included from util/bpf-loader.c:10: tools/lib/bpf/libbpf.h:203:13: note: declared here 203 | const char *bpf_program__title(const struct bpf_program *prog, bool needs_copy); | ^~~~~~~~~~~~~~~~~~ util/bpf-loader.c: In function 'preproc_gen_prologue': util/bpf-loader.c:457:3: error: 'bpf_program__title' is deprecated: BPF program title is confusing term; please use bpf_program__section_name() instead [-Werror=deprecated-declarations] 457 | title = bpf_program__title(prog, false); | ^~~~~ In file included from util/bpf-loader.c:10: tools/lib/bpf/libbpf.h:203:13: note: declared here 203 | const char *bpf_program__title(const struct bpf_program *prog, bool needs_copy); | ^~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors Caused or exposed by commit 521095842027 ("libbpf: Deprecate notion of BPF program "title" in favor of "section name"") I have used the bpf-next tree from next-20200903 for today.
perf code is using deprecated bpf_program__title() API. I'll send a patch for bpf-next to replace it with bpf_program__section_name(). Thanks for letting me know about build warning!
