Merge branch 'deprecate bpf_object__open_buffer() API'

Christy Lee says:

====================

Deprecate bpf_object__open_buffer() API, replace all usage
with bpf_object__open_mem().

====================
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>

tools/lib/bpf/libbpf.h

@@ -180,6 +180,7 @@ bpf_object__open_mem(const void *obj_buf, size_t obj_buf_sz,
 		     const struct bpf_object_open_opts *opts);
 
 /* deprecated bpf_object__open variants */
+LIBBPF_DEPRECATED_SINCE(0, 8, "use bpf_object__open_mem() instead")
 LIBBPF_API struct bpf_object *
 bpf_object__open_buffer(const void *obj_buf, size_t obj_buf_sz,
 			const char *name);

tools/perf/tests/llvm.c

@@ -13,7 +13,7 @@ static int test__bpf_parsing(void *obj_buf, size_t obj_buf_sz)
 {
 	struct bpf_object *obj;
 
-	obj = bpf_object__open_buffer(obj_buf, obj_buf_sz, NULL);
+	obj = bpf_object__open_mem(obj_buf, obj_buf_sz, NULL);
 	if (libbpf_get_error(obj))
 		return TEST_FAIL;
 	bpf_object__close(obj);

tools/perf/util/bpf-loader.c

@@ -54,6 +54,7 @@ static bool libbpf_initialized;
 struct bpf_object *
 bpf__prepare_load_buffer(void *obj_buf, size_t obj_buf_sz, const char *name)
 {
+	LIBBPF_OPTS(bpf_object_open_opts, opts, .object_name = name);
 	struct bpf_object *obj;
 
 	if (!libbpf_initialized) {
@@ -61,7 +62,7 @@ bpf__prepare_load_buffer(void *obj_buf, size_t obj_buf_sz, const char *name)
 		libbpf_initialized = true;
 	}
 
-	obj = bpf_object__open_buffer(obj_buf, obj_buf_sz, name);
+	obj = bpf_object__open_mem(obj_buf, obj_buf_sz, &opts);
 	if (IS_ERR_OR_NULL(obj)) {
 		pr_debug("bpf: failed to load buffer\n");
 		return ERR_PTR(-EINVAL);
@@ -72,6 +73,7 @@ bpf__prepare_load_buffer(void *obj_buf, size_t obj_buf_sz, const char *name)
 
 struct bpf_object *bpf__prepare_load(const char *filename, bool source)
 {
+	LIBBPF_OPTS(bpf_object_open_opts, opts, .object_name = filename);
 	struct bpf_object *obj;
 
 	if (!libbpf_initialized) {
@@ -94,7 +96,7 @@ struct bpf_object *bpf__prepare_load(const char *filename, bool source)
 				return ERR_PTR(-BPF_LOADER_ERRNO__COMPILE);
 		} else
 			pr_debug("bpf: successful builtin compilation\n");
-		obj = bpf_object__open_buffer(obj_buf, obj_buf_sz, filename);
+		obj = bpf_object__open_mem(obj_buf, obj_buf_sz, &opts);
 
 		if (!IS_ERR_OR_NULL(obj) && llvm_param.dump_obj)
 			llvm__dump_obj(filename, obj_buf, obj_buf_sz);