CONFIG_ARM_ERRATA_825619: ARM errata: A12: DMB NSHST/ISHST mixed ... might cause deadlock

General informations

The Linux kernel configuration item CONFIG_ARM_ERRATA_825619:

• prompt: ARM errata: A12: DMB NSHST/ISHST mixed ... might cause deadlock
• type: bool
• depends on: CONFIG_CPU_V7
• defined in arch/arm/Kconfig
• found in Linux kernels: 4.8–4.20, 5.0–5.19, 6.0–6.12

Help text

This option enables the workaround for the 825619 Cortex-A12 (all revs) erratum. Within rare timing constraints, executing a DMB NSHST or DMB ISHST instruction followed by a mix of Cacheable and Device/Strongly-Ordered loads and stores might cause deadlock

Hardware

LKDDb

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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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