CONFIG_MITIGATION_PAGE_TABLE_ISOLATION: Remove the kernel mapping in user mode

General informations

The Linux kernel configuration item CONFIG_MITIGATION_PAGE_TABLE_ISOLATION:

• prompt: Remove the kernel mapping in user mode
• type: bool
• depends on: ( CONFIG_X86_64 || CONFIG_X86_PAE )
• defined in arch/x86/Kconfig
• found in Linux kernels: 6.9-rc+HEAD

Help text

This feature reduces the number of hardware side channels by ensuring that the majority of kernel addresses are not mapped into userspace.

See Documentation/arch/x86/pti.rst for more details.

Hardware

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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