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Component CP15_BARRIER_EMULATION

Component Type: kbuild config

Description: Emulate CP15 Barrier instructions

More info: The CP15 barrier instructions - CP15ISB, CP15DSB, and CP15DMB - are deprecated in ARMv8 (and ARMv7). It is strongly recommended to use the ISB, DSB, and DMB instructions instead. Say Y here to enable software emulation of these instructions for AArch32 userspace code. When this option is enabled, CP15 barrier usage is traced which can help identify software that needs updating. This feature can be controlled at runtime with the abi.cp15_barrier sysctl. If unsure, say Y

Build project: Kconfig (Linux kconfig) (Path: arch\arm64\Kconfig )

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