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Yosry Ahmed
434992bb60
This patch extends bpf selft cgroup_helpers [ID] n various ways: - Add enable_controllers() that allows tests to enable all or a subset of controllers for a specific cgroup. - Add join_cgroup_parent(). The cgroup workdir is based on the pid, therefore a spawned child cannot join the same cgroup hierarchy of the test through join_cgroup(). join_cgroup_parent() is used in child processes to join a cgroup under the parent's workdir. - Add write_cgroup_file() and write_cgroup_file_parent() (similar to join_cgroup_parent() above). - Add get_root_cgroup() for tests that need to do checks on root cgroup. - Distinguish relative and absolute cgroup paths in function arguments. Now relative paths are called relative_path, and absolute paths are called cgroup_path. Signed-off-by: Yosry Ahmed <yosryahmed@google.com> Signed-off-by: Hao Luo <haoluo@google.com> Link: https://lore.kernel.org/r/20220824233117.1312810-5-haoluo@google.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
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Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
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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.