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docs: CPU allocation and pinning clarification
There was a request for clarifying this part of the documentation. This also fixes a case used with CPU.
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@ -369,7 +369,8 @@
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if it's specified. If both <code>cpuset</code> and <code>placement</code>
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are not specified, or if <code>placement</code> is "static", but no
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<code>cpuset</code> is specified, the domain process will be pinned to
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all the available physical CPUs.
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all the available physical CPUs. These settings are superseded
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by <a href="#elementsCPUTuning">CPU tuning</a>.
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</dd>
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</dl>
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@ -404,9 +405,11 @@
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</dd>
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<dt><code>vcpupin</code></dt>
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<dd>
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The optional <code>vcpupin</code> element specifies which of host
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physical CPUS the domain VCPU will be pinned to. If this is omitted,
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each VCPU is pinned to all the physical CPUS by default. It contains two
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The optional <code>vcpupin</code> element specifies which of host's
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physical CPUs the domain VCPU will be pinned to. This setting supersedes
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previous VCPU placement specified in <a href="#elementsCPUAllocation">CPU
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Allocation</a> using <code>vcpu</code> element. If this is omitted,
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each VCPU is pinned to all the physical CPUs by default. It contains two
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required attributes, the attribute <code>vcpu</code> specifies vcpu id,
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and the attribute <code>cpuset</code> is same as
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attribute <code>cpuset</code>
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