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CONFIG_NEST_LEVEL: Nesting level

General informations

The Linux kernel configuration item CONFIG_NEST_LEVEL:

• prompt: Nesting level
• type: int
• depends on: (none)
• defined in arch/um/Kconfig
• found in Linux kernels: 2.6.0–2.6.24

Help text

This is set to the number of layers of UMLs that this UML will be run in. Normally, this is zero, meaning that it will run directly on the host. Setting it to one will build a UML that can run inside a UML that is running on the host. Generally, if you intend this UML to run inside another UML, set NEST_LEVEL to one more than the host UML.

Note that if the hosting UML has its KERNEL_HALF_GIGS set to greater than one, then the guest UML should have its NEST_LEVEL set to the host's NEST_LEVEL + KERNEL_HALF_GIGS. Only change this if you are running nested UMLs.

Hardware

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The data is retrived from:

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• Linux Kernel Driver DataBase (LKDDb)

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