netdev - [PATCH bpf-next 2/8] bpf: change btf_iter func proto prefix to "bpf_iter

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Message-ID: <20200512155233.1080305-1-yhs@fb.com>
Date:   Tue, 12 May 2020 08:52:33 -0700
From:   Yonghong Song <yhs@...com>
To:     Andrii Nakryiko <andriin@...com>, <bpf@...r.kernel.org>,
        Martin KaFai Lau <kafai@...com>, <netdev@...r.kernel.org>
CC:     Alexei Starovoitov <ast@...com>,
        Daniel Borkmann <daniel@...earbox.net>, <kernel-team@...com>,
        Alexei Starovoitov <ast@...nel.org>
Subject: [PATCH bpf-next 2/8] bpf: change btf_iter func proto prefix to "bpf_iter_"

This is to be consistent with tracing and lsm programs
which have prefix "bpf_trace_" and "bpf_lsm_" respectively.

Suggested-by: Alexei Starovoitov <ast@...nel.org>
Signed-off-by: Yonghong Song <yhs@...com>
---
 include/linux/bpf.h    | 6 +++---
 tools/lib/bpf/libbpf.c | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index cf4b6e44f2bc..ab94dfd8826f 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -1131,10 +1131,10 @@ struct bpf_link *bpf_link_get_from_fd(u32 ufd);
 int bpf_obj_pin_user(u32 ufd, const char __user *pathname);
 int bpf_obj_get_user(const char __user *pathname, int flags);
 
-#define BPF_ITER_FUNC_PREFIX "__bpf_iter__"
+#define BPF_ITER_FUNC_PREFIX "bpf_iter_"
 #define DEFINE_BPF_ITER_FUNC(target, args...)			\
-	extern int __bpf_iter__ ## target(args);		\
-	int __init __bpf_iter__ ## target(args) { return 0; }
+	extern int bpf_iter_ ## target(args);			\
+	int __init bpf_iter_ ## target(args) { return 0; }
 
 typedef int (*bpf_iter_init_seq_priv_t)(void *private_data);
 typedef void (*bpf_iter_fini_seq_priv_t)(void *private_data);
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 3da66540b54b..d063c247615f 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -6897,7 +6897,7 @@ static int bpf_object__collect_st_ops_relos(struct bpf_object *obj,
 
 #define BTF_TRACE_PREFIX "btf_trace_"
 #define BTF_LSM_PREFIX "bpf_lsm_"
-#define BTF_ITER_PREFIX "__bpf_iter__"
+#define BTF_ITER_PREFIX "bpf_iter_"
 #define BTF_MAX_NAME_SIZE 128
 
 static int find_btf_by_prefix_kind(const struct btf *btf, const char *prefix,
-- 
2.24.1