From: Yonghong Song Date: Thu, 21 Oct 2021 19:56:49 +0000 (-0700) Subject: docs/bpf: Update documentation for BTF_KIND_DECL_TAG typedef support X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=5a8671349dd1cfe6255c524d37d6265df7483f36;p=linux.git docs/bpf: Update documentation for BTF_KIND_DECL_TAG typedef support Add BTF_KIND_DECL_TAG typedef support in btf.rst. Signed-off-by: Yonghong Song Signed-off-by: Alexei Starovoitov Link: https://lore.kernel.org/bpf/20211021195649.4020514-1-yhs@fb.com --- diff --git a/Documentation/bpf/btf.rst b/Documentation/bpf/btf.rst index 9e5b4a98af76b..9ad4218a751f5 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,