libbpf: set kernel_log_level when available

libbpf allows setting the log_level in struct bpf_object_open_opts
through the kernel_log_level field since v0.7, use it to set log level
to align with bpf_prog_load_dev() and bpf_btf_load().

Signed-off-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>
Signed-off-by: David Ahern <dsahern@kernel.org>

diff --git a/lib/bpf_libbpf.c b/lib/bpf_libbpf.c
index e1c211a1b3b722b64c307d87bf3205dba34555cc..4a8a2032075c976c23f409beeba99eb5e2fd684a 100644 (file)
--- a/lib/bpf_libbpf.c
+++ b/lib/bpf_libbpf.c
@@ -287,6 +287,10 @@ static int load_bpf_object(struct bpf_cfg_in *cfg)
                        .pin_root_path = root_path,
        );
 
+#if (LIBBPF_MAJOR_VERSION > 0) || (LIBBPF_MINOR_VERSION >= 7)
+       open_opts.kernel_log_level = 1;
+#endif
+
        obj = bpf_object__open_file(cfg->object, &open_opts);
        if (libbpf_get_error(obj)) {
                fprintf(stderr, "ERROR: opening BPF object file failed\n");