default or selected kernelversion does not have config value CONFIG_EFI_VARS.
Result is shown for kernelversion 6.9.9
EFI Variable Support via sysfs
modulename: efivars.ko
configname: CONFIG_EFI_VARS
Linux Kernel Configuration
└─>Device Drivers
└─>Firmware Drivers
└─>EFI (Extensible Firmware Interface) Support
└─>EFI Variable Support via sysfs
In linux kernel since version 3.10 (release Date: 2013-06-30)
If you say Y here, you are able to get EFI (Extensible Firmware
Interface) variable information via sysfs. You may read,
write, create, and destroy EFI variables through this interface.
Note that this driver is only retained for compatibility with
legacy users: new users should use the efivarfs filesystem
instead.
Interface) variable information via sysfs. You may read,
write, create, and destroy EFI variables through this interface.
Note that this driver is only retained for compatibility with
legacy users: new users should use the efivarfs filesystem
instead.