CONFIG_ARM_ERRATA_798181: ARM errata: TLBI/DSB failure on Cortex-A15

General informations

The Linux kernel configuration item CONFIG_ARM_ERRATA_798181:

• prompt: ARM errata: TLBI/DSB failure on Cortex-A15
• type: bool
• depends on: CONFIG_CPU_V7 && CONFIG_SMP
• defined in arch/arm/Kconfig
• found in Linux kernels: 3.9–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

On Cortex-A15 (r0p0..r3p2) the TLBI*IS/DSB operations are not adequately shooting down all use of the old entries. This option enables the Linux kernel workaround for this erratum which sends an IPI to the CPUs that are running the same ASID as the one being invalidated.

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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