How do I extract the kernel configuration from a kernel image file? The kernel image file type is: The kernel has been compiled with CONFIG_IKCONFIG enabled. However, returns Note: I am trying the get the config without booting the kernel. Answer If the kernel has been compiled with CONFIG_IKCONFIG=m (note th…
Tag: kbuild
How does kbuild actually work?
When i’m developing a linux driver, i’ve read about how to write linux kbuild makefile through this document I know kbuild system use makefile variables such as obj-y obj-m to determine what to build and how to build. But what i’m confused about is where does kbuild system really execute bui…
How to get the .config from a Linux kernel image?
I have a Linux kernel image in elf format and I want to find out what .config file was used to build this kernel. When I do an objdump of the image, I see a section called kernel_config_data that contains text but does not look like the config file. Is there a way to retrieve this information? Answer Assuming…