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The documents explain the design concepts behind PREEMPT_RT and highlight key differences necessary to achieve it. It also include a list of requirements that must be fulfilled to support PREEMPT_RT on a given architecture. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> [jc: tweaked "how they differ" section head] Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20250815093858.930751-4-bigeasy@linutronix.de
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.. SPDX-License-Identifier: GPL-2.0
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=====================
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Real-time preemption
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=====================
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This documentation is intended for Linux kernel developers and contributors
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interested in the inner workings of PREEMPT_RT. It explains key concepts and
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the required changes compared to a non-PREEMPT_RT configuration.
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.. toctree::
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:maxdepth: 2
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theory
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differences
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architecture-porting
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