CONFIG_ARM64_LSUI: Support Unprivileged Load Store Instructions (LSUI)

General informations

The Linux kernel configuration item CONFIG_ARM64_LSUI:

• prompt: Support Unprivileged Load Store Instructions (LSUI)
• type: bool
• depends on: CONFIG_AS_HAS_LSUI && ! CONFIG_CPU_BIG_ENDIAN
• defined in arch/arm64/Kconfig
• found in Linux kernels: 7.1-rc+HEAD

Help text

The Unprivileged Load Store Instructions (LSUI) provides variants load/store instructions that access user-space memory from the kernel without clearing PSTATE.PAN bit.

This feature is supported by LLVM 20+ and binutils 2.45+.

Hardware

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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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