From: Yonghong Song <yhs@fb.com>
To: <bpf@vger.kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>, <kernel-team@fb.com>
Subject: [PATCH bpf-next 5/5] docs/bpf: update documentation for BTF_KIND_DECL_TAG typedef support
Date: Thu, 21 Oct 2021 12:56:49 -0700 [thread overview]
Message-ID: <20211021195649.4020514-1-yhs@fb.com> (raw)
In-Reply-To: <20211021195622.4018339-1-yhs@fb.com>
Add BTF_KIND_DECL_TAG typedef support in btf.rst.
Signed-off-by: Yonghong Song <yhs@fb.com>
---
Documentation/bpf/btf.rst | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/Documentation/bpf/btf.rst b/Documentation/bpf/btf.rst
index 9e5b4a98af76..9ad4218a751f 100644
--- a/Documentation/bpf/btf.rst
+++ b/Documentation/bpf/btf.rst
@@ -474,7 +474,7 @@ No additional type data follow ``btf_type``.
* ``info.kind_flag``: 0
* ``info.kind``: BTF_KIND_DECL_TAG
* ``info.vlen``: 0
- * ``type``: ``struct``, ``union``, ``func`` or ``var``
+ * ``type``: ``struct``, ``union``, ``func``, ``var`` or ``typedef``
``btf_type`` is followed by ``struct btf_decl_tag``.::
@@ -483,8 +483,8 @@ No additional type data follow ``btf_type``.
};
The ``name_off`` encodes btf_decl_tag attribute string.
-The ``type`` should be ``struct``, ``union``, ``func`` or ``var``.
-For ``var`` type, ``btf_decl_tag.component_idx`` must be ``-1``.
+The ``type`` should be ``struct``, ``union``, ``func``, ``var`` or ``typedef``.
+For ``var`` or ``typedef`` type, ``btf_decl_tag.component_idx`` must be ``-1``.
For the other three types, if the btf_decl_tag attribute is
applied to the ``struct``, ``union`` or ``func`` itself,
``btf_decl_tag.component_idx`` must be ``-1``. Otherwise,
--
2.30.2
next prev parent reply other threads:[~2021-10-21 19:56 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-21 19:56 [PATCH bpf-next 0/5] bpf: add support for BTF_KIND_DECL_TAG typedef Yonghong Song
2021-10-21 19:56 ` [PATCH bpf-next 1/5] bpf: add BTF_KIND_DECL_TAG typedef support Yonghong Song
2021-10-21 19:56 ` [PATCH bpf-next 2/5] selftests/bpf: add BTF_KIND_DECL_TAG typedef unit tests Yonghong Song
2021-10-21 19:56 ` [PATCH bpf-next 3/5] selftests/bpf: test deduplication for BTF_KIND_DECL_TAG typedef Yonghong Song
2021-10-21 19:56 ` [PATCH bpf-next 4/5] selftests/bpf: add BTF_KIND_DECL_TAG typedef example in tag.c Yonghong Song
2021-10-21 19:56 ` Yonghong Song [this message]
2021-10-23 0:05 ` [PATCH bpf-next 0/5] bpf: add support for BTF_KIND_DECL_TAG typedef Alexei Starovoitov
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