kernelconfig_penguin
CONFIG_ARM64_ERRATUM_1165522 is not available for the default architecture x86.
Result is shown for architecture arm64

Cortex-A76: 1165522: Speculative AT instruction using out-of-context translation regime could cause subsequent request to generate an incorrect translation

configname: CONFIG_ARM64_ERRATUM_1165522

Linux Kernel Configuration
└─> Kernel Features
└─> ARM errata workarounds via the alternatives framework
└─> Cortex-A76: 1165522: Speculative AT instruction using out-of-context translation regime could cause subsequent request to generate an incorrect translation

This option adds a workaround for ARM Cortex-A76 erratum 1165522.

Affected Cortex-A76 cores (r0p0, r1p0, r2p0) could end-up with
corrupted TLBs by speculating an AT instruction during a guest
context switch.

If unsure, say Y.