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26c79fcbfa
Rename progs/tag.c to progs/btf_decl_tag.c so we can introduce progs/btf_type_tag.c in the next patch. Also create a subtest for btf_decl_tag in prog_tests/btf_tag.c so we can introduce btf_type_tag subtest in the next patch. I also took opportunity to remove the check whether __has_attribute is defined or not in progs/btf_decl_tag.c since all recent clangs should already support this macro. Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20211112012641.1507144-1-yhs@fb.com
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.