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Andrey Grafin 6ae1ec0043 selftest/bpf: Add map_in_maps with BPF_MAP_TYPE_PERF_EVENT_ARRAY values [ Upstream commit `40628f9fff` ] Check that bpf_object__load() successfully creates map_in_maps with BPF_MAP_TYPE_PERF_EVENT_ARRAY values. These changes cover fix in the previous patch "libbpf: Apply map_set_def_max_entries() for inner_maps on creation". A command line output is: - w/o fix $ sudo ./test_maps libbpf: map 'mim_array_pe': failed to create inner map: -22 libbpf: map 'mim_array_pe': failed to create: Invalid argument(-22) libbpf: failed to load object './test_map_in_map.bpf.o' Failed to load test prog - with fix $ sudo ./test_maps ... test_maps: OK, 0 SKIPPED Fixes: `646f02ffdd` ("libbpf: Add BTF-defined map-in-map support") Signed-off-by: Andrey Grafin <conquistador@yandex-team.ru> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Yonghong Song <yonghong.song@linux.dev> Acked-by: Hou Tao <houtao1@huawei.com> Link: https://lore.kernel.org/bpf/20240117130619.9403-2-conquistador@yandex-team.ru Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		History 2024-03-26 18:20:31 -04:00
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README

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.