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Message-ID: <48987654.1070501@gmail.com>
Date: Tue, 05 Aug 2008 11:48:36 -0400
From: Eric Martin <freak4uxxx@gmail.com>
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Subject: Re: [gentoo-user] make oldconfig
References: <loom.20080804T210307-572@post.gmane.org> <6142e6140808050439q715ac701u9941cae2bf717bb5@mail.gmail.com> <4898A89A.9050903@bellsouth.net>
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Dale wrote:
> Daniel Pielmeier wrote:
>> 2008/8/4, James <wireless@tampabay.rr.com>:
>> =20
>>> Hello,
>>>
>>> It seems like I remember that 'make oldconfig' is not
>>> needed any more, to pass the current (booted) kernel
>>> option to the .config for building a new kernel.
>>>
>>> Of is 'make oldconfig' still a good idea?
>>>
>>>
>>> James
>>> =20
>>
>> At least in the kernel Makefile there is no hint about /proc/config.gz=
>> which contains the running kernel configuration, so I think make
>> oldconfig or your favourite kernel configuration tool is still needed.=
>> If there is no .config or .config.old it will load a default
>> configuration which is probably not what you want.
>>
>>
>> =20
> Having a config in /proc is a option in the kernel. You just have to
> turn it on. It is under the General setup as "Enable access to .config=
> through /proc/config.gz". I have mine here:
>=20
> root@smoker / # ls -al /proc/config*
> -r--r--r-- 1 root root 10060 2008-08-05 14:19 /proc/config.gz
> root@smoker / #
>=20
>=20
> It can prove helpful at times.
>=20
> Dale
>=20
> :-) :-)
yeah, but it doesn't change that you still have to run make oldconfig.
I love /proc/config.gz, especially because of zless and zgrep
--=20
Eric Martin
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