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c456f08040
Add three success test cases to test the flattening of array of nested struct. For these three tests, the number of special fields in map is BTF_FIELDS_MAX, but the array is defined in structs with different nested level. Add one failure test case for the flattening as well. In the test case, the number of special fields in map is BTF_FIELDS_MAX + 1. It will make btf_parse_fields() in map_create() return -E2BIG, the creation of map will succeed, but the load of program will fail because the btf_record is invalid for the map. Signed-off-by: Hou Tao <houtao1@huawei.com> Acked-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20241008071114.3718177-3-houtao@huaweicloud.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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 reStructuredText 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.