How to rebuild Debian kernel for 4c

#1

I downloaded the Debian 11 Desktop(Linux 5.10) image.
I want to rebuild kernel of Debian.

I try to use apt to get linux kernel source code and build it, but I don’t know where is the .config file.

Please give me the hint.

#2

Why you want that? If something is “missing”, it might be easier to ask for and not to build it yourself.
Note that there are “vendor” kernel (5.10.160 is probably one) and “vanilla” kernel. And sure you mean a 4C, and not a 4C+? Different beasts. Anyway, for building a vendor kernel

might what you are searching for.