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9fc687edf2
In preparation for multiple scheduler support, separate out scx_kick_cpu() from scx_bpf_kick_cpu() and add the @sch parameter to it. scx_bpf_kick_cpu() now acquires an RCU read lock, reads $scx_root, and calls scx_kick_cpu() with it if non-NULL. The passed in @sch parameter is not used yet. Internal uses of scx_bpf_kick_cpu() are converted to scx_kick_cpu(). Where $sch is available, it's used. In the pick_task_scx() path where no associated scheduler can be identified, $scx_root is used directly. Note that $scx_root cannot be NULL in this case. Reviewed-by: Andrea Righi <arighi@nvidia.com> Signed-off-by: Tejun Heo <tj@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.