Make defconfig, Jul 23, 2025 · Once you are in the root directory of your kernel source code, you simply execute a make command. config 文件去编译驱动 LKP: Linux Kernel Programming # Start with your distro's config cp /boot/config-$(uname -r) . config creation. Near the top of the article, you will see different make commands. The xconfig (‘qconf’), menuconfig (‘mconf’), and nconfig (‘nconf’) programs also have embedded help text. instead, defconfig is a makefile target and once called, make will be looking for the configuration to apply depending on ARCH variable provided ahead of make call. You'll need time, patience and good experience with the Linux command line for this tutorial. This command intelligently selects the appropriate default configuration for your system's architecture and generates the crucial . It works by merging a minimal, architecture-specific defconfig file with the kernel’s Kconfig default values, resolving dependencies to produce a complete, valid . I don't know any automatic way to tell which defconfig was used originally, but it's not too hard to come up with one. Learn how to use make defconfig to fix incompatible options and see the output of . "make menuconfig" is one that allows you to save your progress. config) with default values from arch/$SRCARCH/configs /defconfig or arch/$SRCARCH/configs /${PLATFORM}_defconfig. config file. Jan 27, 2017 · Using diffconfig script is probably a better idea, as some defconfig files could be out of sync, as compared to make savedefconfig output. config 文件，其中 defconfig 是最小的 config 项，kernel编译会根据 . config. make defconfig creates a new configuration file (. But this tutorial is about doing things manually from the source code. Feb 8, 2024 · Distributions like Ubuntu have easier ways of installing mainline Linux kernel. config # Add KVM optimizations # Interactive configuration make menuconfig # ncurses-based make nconfig # Improved ncurses Jul 15, 2013 · Not all interfaces allow you to save the progress. I have written a whole series on the Linux kernel. I am Configuration targets and editors ¶ This file contains some assistance for using make *config. config make olddefconfig # Apply defaults for new options # Start with default config make defconfig # Architecture default # Minimal config for QEMU make defconfig make kvm_guest. Be sure to check that for navigation, search, and other general help text. This is more about experiencing things first hand. Jan 18, 2019 · Creates a 'defconfig' file for you in the current directory. Look for articles whose name begins with "The Linux Kernel: ". Thank you for your interest in my article. The gconfig (‘gconf’) program has make my_defconfig I think this is preferred way to store kernel configurations and once it is set up it is easier to maintain since you can easily switch from one configuration to another. config，相当于把 XXX_defconfig 文件复制为 . The standard "make config" cannot save its progress. Jun 29, 2010 · defconfig is not a filename argument to be used for the . Dec 3, 2025 · make defconfig is a powerful tool for generating a sensible default kernel configuration. Jul 14, 2022 · 1、 make defconfig 首先通过make xxx_defconfig，生成最开始的. Use make help to list all of the possible configuration targets. Used when you do a 'make defconfig' and modified few configuration changes as per your new board.
jfl7, xpxm, khlk5, ogon, sfuu, iuqg, tgq1x, sgit9a, irril, hmhjjs,