CONFIG_ARM_ERRATA_773022: ARM errata: incorrect instructions may be executed from loop buffer

General informations

The Linux kernel configuration item CONFIG_ARM_ERRATA_773022:

• prompt: ARM errata: incorrect instructions may be executed from loop buffer
• type: bool
• depends on: CONFIG_CPU_V7
• defined in arch/arm/Kconfig
• found in Linux kernels: 3.12–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

This option enables the workaround for the 773022 Cortex-A15 (up to r0p4) erratum. In certain rare sequences of code, the loop buffer may deliver incorrect instructions. This workaround disables the loop buffer to avoid the erratum.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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