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Tejun Heo d18b96ce12 sched_ext: Factor out abbreviated dispatch dequeue into dispatch_dequeue_locked()
move_task_between_dsqs() contains open-coded abbreviated dequeue logic when
moving tasks between non-local DSQs. Factor this out into
dispatch_dequeue_locked() which can be used when both the task's rq and dsq
locks are already held. Add lockdep assertions to both dispatch_dequeue() and
the new helper to verify locking requirements.

This prepares for the load balancer which will need the same abbreviated
dequeue pattern.

Cc: Andrea Righi <arighi@nvidia.com>
Cc: Dan Schatzberg <schatzberg.dan@gmail.com>
Cc: Emil Tsalapatis <etsal@meta.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
History 2025-11-12 06:43:44 -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.