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zhidao su 347ed2d566 sched/ext: Implement cgroup_set_idle() callback
Implement the missing cgroup_set_idle() callback that was marked as a
TODO. This allows BPF schedulers to be notified when a cgroup's idle
state changes, enabling them to adjust their scheduling behavior
accordingly.

The implementation follows the same pattern as other cgroup callbacks
like cgroup_set_weight() and cgroup_set_bandwidth(). It checks if the
BPF scheduler has implemented the callback and invokes it with the
appropriate parameters.

Fixes a spelling error in the cgroup_set_bandwidth() documentation.

tj: s/scx_cgroup_rwsem/scx_cgroup_ops_rwsem/ to fix build breakage.

Signed-off-by: zhidao su <soolaugust@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
History 2025-10-14 10:17:33 -10:00
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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.