CONFIG_CAVIUM_ERRATUM_30115: Cavium erratum 30115: Guest may disable interrupts in host

General informations

The Linux kernel configuration item CONFIG_CAVIUM_ERRATUM_30115:

• prompt: Cavium erratum 30115: Guest may disable interrupts in host
• type: bool
• depends on: (none)
• defined in arch/arm64/Kconfig
• found in Linux kernels: 4.13–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

On ThunderX T88 pass 1.x through 2.2, T81 pass 1.0 through 1.2, and T83 Pass 1.0, KVM guest execution may disable interrupts in host. Trapping both GICv3 group-0 and group-1 accesses sidesteps the issue.

If unsure, say Y.

Hardware

LKDDb

Raw data from LKDDb:

• (none)

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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