Gentoo Archives: gentoo-user

From:	Ralph Seichter <m16+gentoo@×××××××××××.net>
To:	gentoo-user@l.g.o
Subject:	Re: [gentoo-user] Using an old kernel .config as the basis for a new .config
Date:	Thu, 28 Dec 2017 20:35:20
Message-Id:	`9e1c8ba4-b3f8-2228-caa4-7e1f7c4bc3f0@monksofcool.net`
In Reply to:	[gentoo-user] Using an old kernel .config as the basis for a new .config by Alan Mackenzie

1	On 28.12.17 20:52, Alan Mackenzie wrote:
2
3	> There is some way of initialising a new kernel .config from an existing
4	> one, I am sure, but I can't find it.
5
6	If your previous kernel has IKCONFIG support(*) enabled, I recommend
7	these steps for a kernel update to keep as many configuration options
8	as possible:
9
10	# eselect kernel set {number}
11	# cd /usr/src/linux
12	# zcat /proc/config.gz > .config
13	# make silentoldconfig
14
15	-Ralph
16
17	(*) https://wiki.gentoo.org/wiki/Kernel/IKCONFIG_Support