make install
sh ./arch/x86/boot/
install.sh 5.4.14-gentoo arch/x86/boot/bzImage \
System.map "/boot"
/sbin/installkernel: line 42: /boot/vmlinuz-5.4.14-gentoo: Read-only file system
make[1]: *** [arch/x86/boot/Makefile:155: install] Error 1
make: *** [arch/x86/Makefile:293: install] Error 2