gentoo-kernel

USE flags

• debug - Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces
• hardened - Use selection of hardening options recommended by Kernel Self Protection Project
• initramfs - Build initramfs along with the kernel.
• modules-sign - Cryptographically sign installed kernel modules (requires CONFIG_MODULE_SIG=y in the kernel)
• savedconfig - Use this to restore your config from /etc/portage/savedconfig ${CATEGORY}/${PN}. Make sure your USE flags allow for appropriate dependencies
• secureboot - Automatically sign efi executables using user specified key
• strip - Allow symbol stripping to be performed by the ebuild for special files
• test - Enable dependencies and/or preparations necessary to run tests (usually controlled by FEATURES=test but can be toggled independently)