diff options
author | Yonghong Song <yonghong.song@linux.dev> | 2025-02-12 21:04:27 -0800 |
---|---|---|
committer | Alexei Starovoitov <ast@kernel.org> | 2025-02-12 21:56:30 -0800 |
commit | f18169c89ea7cdab328712d858bc363afba5014c (patch) | |
tree | 8690ab76ac3cc1ab9c707825abef46c133f2fb90 | |
parent | 4107a1aeb20ed4cdad6a0d49de92ea0f933c71b7 (diff) |
bpf: Sync uapi bpf.h header for the tooling infra
Commit 0abff462d802 ("bpf: Add comment about helper freeze") missed the
tooling header sync. Fix it.
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20250213050427.2788837-1-yonghong.song@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
-rw-r--r-- | tools/include/uapi/linux/bpf.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index 2acf9b3363717..fff6cdb8d11a2 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -6019,7 +6019,10 @@ union bpf_attr { FN(user_ringbuf_drain, 209, ##ctx) \ FN(cgrp_storage_get, 210, ##ctx) \ FN(cgrp_storage_delete, 211, ##ctx) \ - /* */ + /* This helper list is effectively frozen. If you are trying to \ + * add a new helper, you should add a kfunc instead which has \ + * less stability guarantees. See Documentation/bpf/kfuncs.rst \ + */ /* backwards-compatibility macros for users of __BPF_FUNC_MAPPER that don't * know or care about integer value that is now passed as second argument |