[PATCH bpf-next] perf: mute libbpf API deprecations temporarily

[Andrii Nakryiko <andrii@kernel.org>]

Libbpf development version was bumped to 0.7 in c93faaaf2f67
("libbpf: Deprecate bpf_prog_load_xattr() API"), activating a bunch of
previously scheduled deprecations. Most APIs are pretty straightforward
to replace with newer APIs, but perf has a complicated mixed setup with
libbpf used both as static and shared configurations, which makes it
non-trivial to migrate the APIs.

Further, bpf_program__set_prep() needs more involved refactoring, which
will require help from Arnaldo and/or Jiri.

So for now, mute deprecation warnings and work on migrating perf off of
deprecated APIs separately with the input from owners of the perf tool.

Fixes: c93faaaf2f67 ("libbpf: Deprecate bpf_prog_load_xattr() API")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
---
 tools/perf/tests/bpf.c       | 4 ++++
 tools/perf/util/bpf-loader.c | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/tools/perf/tests/bpf.c b/tools/perf/tests/bpf.c
index 2bf146e49ce8..c52bf10f746e 100644
--- a/tools/perf/tests/bpf.c
+++ b/tools/perf/tests/bpf.c
@@ -312,9 +312,13 @@ static int check_env(void)
 		return err;
 	}
 
+/* temporarily disable libbpf deprecation warnings */
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 	err = bpf_load_program(BPF_PROG_TYPE_KPROBE, insns,
 			       sizeof(insns) / sizeof(insns[0]),
 			       license, kver_int, NULL, 0);
+#pragma GCC diagnostic pop
 	if (err < 0) {
 		pr_err("Missing basic BPF support, skip this test: %s\n",
 		       strerror(errno));
diff --git a/tools/perf/util/bpf-loader.c b/tools/perf/util/bpf-loader.c
index fbb3c4057c30..528aeb0ab79d 100644
--- a/tools/perf/util/bpf-loader.c
+++ b/tools/perf/util/bpf-loader.c
@@ -29,6 +29,9 @@
 
 #include <internal/xyarray.h>
 
+/* temporarily disable libbpf deprecation warnings */
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+
 static int libbpf_perf_print(enum libbpf_print_level level __attribute__((unused)),
 			      const char *fmt, va_list args)
 {
-- 
2.30.2