CONFIG_KEXEC_FILE is not available for thedefaultarchitecture x86.
Result is shown for architecture s390
kexec file based system call
modulename: machine_kexec_file.ko
and/orkexec_elf.ko
and/orkexec-purgatory.ko
and/orkexec-bzimage64.ko
and/orkexec_file.ko
configname: CONFIG_KEXEC_FILE
Linux Kernel Configuration
└─>Processor type and features
└─>kexec file based system call
In linux kernel since version 3.10 (release Date: 2013-06-30)
Enable the kexec file based system call. In contrast to the normal
kexec system call this system call takes file descriptors for the
kernel and initramfs as arguments.
kexec system call this system call takes file descriptors for the
kernel and initramfs as arguments.