CONFIG_ARM64_ERRATUM_1319367 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm64
Cortex-A57/A72: 1319537: Speculative AT instruction using out-of-context translation regime could cause subsequent request to generate an incorrect translation
configname: CONFIG_ARM64_ERRATUM_1319367
Linux Kernel Configuration
└─>Kernel Features
└─>ARM errata workarounds via the alternatives framework
└─>Cortex-A57/A72: 1319537: Speculative AT instruction using out-of-context translation regime could cause subsequent request to generate an incorrect translation
In linux kernel since version 5.1 (release Date: 2019-05-05)
This option adds work arounds for ARM Cortex-A57 erratum 1319537
and A72 erratum 1319367
Cortex-A57 and A72 cores could end-up with corrupted TLBs by
speculating an AT instruction during a guest context switch.
If unsure, say Y.
and A72 erratum 1319367
Cortex-A57 and A72 cores could end-up with corrupted TLBs by
speculating an AT instruction during a guest context switch.
If unsure, say Y.