Re: [gentoo-user] genkernel 2 manual

["Andrés Becerra Sandoval" <andres.becerra@gmail.com>]

On Tue, Oct 23, 2012 at 5:02 PM, João Matos <jaoneto@gmail.com> wrote:
> Hi list.
>
> I've been using Gentoo for quite a long time, and today I decided to try
> compiling the kernel myself, Thing I've never done before. I want a smaller
> kernel, a faster boot (without initramfs) and, of course, some fun :).
>
> I'm still reading the oficial documentation, but I don't think it will be
> enough, so, if anyone of you know some documentation more detailed, I'd
> appreciate reading it.
>
> I've just ran 'make xconfig', and I noticed that the configuration is the
> same from genkernel (genkernel --menuconfig). Is it good? Should I get an
> original .conf, with less garbage, or this is just the 'normal default'
> instead of 'genkernel default' as I'm guessing?
>
> Is there any tool that can scan my pc and help me out with the .conf or even
> generate one? I guess not. There are lots of options that I have no idea
> what they are for. I think this will be the fun part, but I think I can't
> get a running kernel before I optimize it, so I can do it gradually.
>
> Just for curiosity, what is the size of your kernel? Mine is 3.4 MB.
>
> Thank you,
> --
> João de Matos
> Linux User #461527
>

A small tip:

- Do lsmod in your genkernel kernel
- Write down the list
- For any module loaded find the corresponding option in the kernel
configuration
- Read briefly the description for the option
- Do a crosscheck with the output of lspci and lsusb

Have fun!

-- 
  Andrés Becerra Sandoval