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

General informations

The Linux kernel configuration item CONFIG_CAVIUM_ERRATUM_30115:

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

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