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{
  "commit": "223f903e9c832699f4e5f422281a60756c1c6cfe",
  "tree": "3e6417cd43149323fe5c10bd25d234a82a6088dc",
  "parents": [
    "431bfb9ee3e2ac0294d5ef58cee87683807299c0"
  ],
  "author": {
    "name": "Yonghong Song",
    "email": "yhs@fb.com",
    "time": "Tue Oct 12 09:48:38 2021 -0700"
  },
  "committer": {
    "name": "Alexei Starovoitov",
    "email": "ast@kernel.org",
    "time": "Mon Oct 18 18:35:36 2021 -0700"
  },
  "message": "bpf: Rename BTF_KIND_TAG to BTF_KIND_DECL_TAG\n\nPatch set [1] introduced BTF_KIND_TAG to allow tagging\ndeclarations for struct/union, struct/union field, var, func\nand func arguments and these tags will be encoded into\ndwarf. They are also encoded to btf by llvm for the bpf target.\n\nAfter BTF_KIND_TAG is introduced, we intended to use it\nfor kernel __user attributes. But kernel __user is actually\na type attribute. Upstream and internal discussion showed\nit is not a good idea to mix declaration attribute and\ntype attribute. So we proposed to introduce btf_type_tag\nas a type attribute and existing btf_tag renamed to\nbtf_decl_tag ([2]).\n\nThis patch renamed BTF_KIND_TAG to BTF_KIND_DECL_TAG and some\nother declarations with *_tag to *_decl_tag to make it clear\nthe tag is for declaration. In the future, BTF_KIND_TYPE_TAG\nmight be introduced per [3].\n\n [1] https://lore.kernel.org/bpf/20210914223004.244411-1-yhs@fb.com/\n [2] https://reviews.llvm.org/D111588\n [3] https://reviews.llvm.org/D111199\n\nFixes: b5ea834dde6b (\"bpf: Support for new btf kind BTF_KIND_TAG\")\nFixes: 5b84bd10363e (\"libbpf: Add support for BTF_KIND_TAG\")\nFixes: 5c07f2fec003 (\"bpftool: Add support for BTF_KIND_TAG\")\nSigned-off-by: Yonghong Song \u003cyhs@fb.com\u003e\nSigned-off-by: Alexei Starovoitov \u003cast@kernel.org\u003e\nLink: https://lore.kernel.org/bpf/20211012164838.3345699-1-yhs@fb.com\n",
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