修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/Documentation/core-api/cpu_hotplug.rst
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 Command Line Switches
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 =====================
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 ``maxcpus=n``
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-  Restrict boot time CPUs to *n*. Say if you have fourV CPUs, using
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+  Restrict boot time CPUs to *n*. Say if you have four CPUs, using
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   ``maxcpus=2`` will only boot two. You can choose to bring the
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   other CPUs later online.
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 ``nr_cpus=n``
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-  Restrict the total amount CPUs the kernel will support. If the number
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-  supplied here is lower than the number of physically available CPUs than
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+  Restrict the total amount of CPUs the kernel will support. If the number
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+  supplied here is lower than the number of physically available CPUs, then
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   those CPUs can not be brought online later.
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 ``additional_cpus=n``
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   This option sets ``possible_cpus`` bits in ``cpu_possible_mask``.
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   This option is limited to the X86 and S390 architecture.
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-
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-``cede_offline={"off","on"}``
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-  Use this option to disable/enable putting offlined processors to an extended
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-  ``H_CEDE`` state on supported pseries platforms. If nothing is specified,
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-  ``cede_offline`` is set to "on".
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-
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-  This option is limited to the PowerPC architecture.
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 ``cpu0_hotplug``
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   Allow to shutdown CPU0.