CONFIG_ARM_ERRATA_364296: ARM errata: Possible cache data corruption with hit-under-miss enabled

General informations

The Linux kernel configuration item CONFIG_ARM_ERRATA_364296:

• prompt: ARM errata: Possible cache data corruption with hit-under-miss enabled
• type: bool
• depends on: CONFIG_CPU_V6
• defined in arch/arm/Kconfig
• found in Linux kernels: 3.1–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12

Help text

This options enables the workaround for the 364296 ARM1136 r0p2 erratum (possible cache data corruption with hit-under-miss enabled). It sets the undocumented bit 31 in the auxiliary control register and the FI bit in the control register, thus disabling hit-under-miss without putting the processor into full low interrupt latency mode. ARM11MPCore is not affected.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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