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Re: custom kernel config
From: |
Efraim Flashner |
Subject: |
Re: custom kernel config |
Date: |
Tue, 2 Apr 2019 17:49:14 +0300 |
User-agent: |
Mutt/1.11.4 (2019-03-13) |
On Tue, Apr 02, 2019 at 10:04:29AM +0200, Pierre Neidhardt wrote:
> Efraim Flashner <address@hidden> writes:
>
> > I haven't checked to see if my custom kernel works yet on my laptop, but
> > compile time was 43 minutes on my kids' computer. Stock
> > address@hidden took 267 minutes.
> >
> > My custom kernel came in at 34MB, the stock kernel is 251MB.
>
> Great success! :)
>
> My attempts on my Xiaomi Air 13:
>
> - Stock build time: ~50 minutes.
> - Custom kernel, starting from nothing: 5-10 minutes.
> It works, but the mousepad and the sound are missing. I can't figure
> which component is missing. Does anyone know if there is any reliable
> way to know the kernel config I need for that?
I think I used Gentoo's documentation from the handbook¹ and laboriously
going through `lsmod` and grepping our kernel configs (I think) to
figure out what they were called in the kernel.
>
> - Custom kernel, starting from Linux-libre and removing components: 40
> minutes. It works, but I don't understand why it's still so long to
> build. I've removed almost all devices I didn't need from the "device
> section", but this is clearly not the bottleneck.
I started that way too, but I wasn't sure just how much I could take out.
>
> Cheers!
>
> --
> Pierre Neidhardt
> https://ambrevar.xyz/
¹ https://wiki.gentoo.org/wiki/Handbook:AMD64/Installation/Kernel
--
Efraim Flashner <address@hidden> אפרים פלשנר
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- custom kernel config, Efraim Flashner, 2019/04/01
- Re: custom kernel config, Ludovic Courtès, 2019/04/01
- Re: custom kernel config, Chris Marusich, 2019/04/03
- Re: custom kernel config, Efraim Flashner, 2019/04/03
- Re: custom kernel config, Pierre Neidhardt, 2019/04/03
- Re: custom kernel config, Efraim Flashner, 2019/04/03
- Re: custom kernel config, Chris Marusich, 2019/04/04
- Re: custom kernel config, Efraim Flashner, 2019/04/07
- Re: custom kernel config, Pierre Neidhardt, 2019/04/07
- Re: custom kernel config, Ludovic Courtès, 2019/04/08