CONFIG_ARM64_ERRATUM_4193714: C1-Pro: 4193714: SME DVMSync early acknowledgement

General informations

The Linux kernel configuration item CONFIG_ARM64_ERRATUM_4193714:

• prompt: C1-Pro: 4193714: SME DVMSync early acknowledgement
• type: bool
• depends on: CONFIG_ARM64_SME
• defined in arch/arm64/Kconfig
• found in Linux kernels: 7.1-rc+HEAD

Help text

Enable workaround for C1-Pro acknowledging the DVMSync before the SME memory accesses are complete. This will cause TLB maintenance for processes using SME to also issue an IPI to the affected CPUs.

If unsure, say Y.

Hardware

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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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