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<title>linux/Documentation/admin-guide/cpu-isolation.rst, branch master</title>
<subtitle>Mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/
</subtitle>
<id>https://git.shady.money/linux/atom?h=master</id>
<link rel='self' href='https://git.shady.money/linux/atom?h=master'/>
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<updated>2026-04-12T19:08:28Z</updated>
<entry>
<title>doc: Add CPU Isolation documentation</title>
<updated>2026-04-12T19:08:28Z</updated>
<author>
<name>Frederic Weisbecker</name>
<email>frederic@kernel.org</email>
</author>
<published>2026-04-02T09:47:49Z</published>
<link rel='alternate' type='text/html' href='https://git.shady.money/linux/commit/?id=f0efd29aa60cb3399c79c0a041d1f1c0a4367862'/>
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<content type='text'>
nohz_full was introduced in v3.10 in 2013, which means this
documentation is overdue for 13 years.

Fortunately Paul wrote a part of the needed documentation a while ago,
especially concerning nohz_full in Documentation/timers/no_hz.rst and
also about per-CPU kthreads in
Documentation/admin-guide/kernel-per-CPU-kthreads.rst

Introduce a new page that gives an overview of CPU isolation in general.

Acked-by: Waiman Long &lt;longman@redhat.com&gt;
Reviewed-by: Valentin Schneider &lt;vschneid@redhat.com&gt;
Reviewed-by: Sebastian Andrzej Siewior &lt;bigeasy@linutronix.de&gt;
Signed-off-by: Frederic Weisbecker &lt;frederic@kernel.org&gt;
Reviewed-by: Paul E. McKenney &lt;paulmck@kernel.org&gt;
Signed-off-by: Jonathan Corbet &lt;corbet@lwn.net&gt;
Message-ID: &lt;20260402094749.18879-1-frederic@kernel.org&gt;
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