CONFIG_EXPOLINE_EXTERN is not available for thedefaultarchitecture x86.
Result is shown for architecture s390
Generate expolines as extern functions.
configname: CONFIG_EXPOLINE_EXTERN
Linux Kernel Configuration
└─>Processor type and features
└─>Generate expolines as extern functions.
In linux kernel since version 5.2 (release Date: 2019-07-07)
This option is required for some tooling like kpatch. The kernel is
compiled with -mindirect-branch=thunk-extern and requires a newer
compiler.
If unsure, say N.
compiled with -mindirect-branch=thunk-extern and requires a newer
compiler.
If unsure, say N.