linux-kernel - Re: [RFC] Simplifying kernel configuration for distro issues

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Date:	Thu, 19 Jul 2012 19:44:55 -0700 (PDT)
From:	david@...g.hm
To:	Ben Hutchings <ben@...adent.org.uk>
cc:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Josh Boyer <jwboyer@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Dave Jones <davej@...hat.com>,
	Greg Kroah-Hartman <greg@...ah.com>,
	Ubuntu Kernel Team <kernel-team@...ts.ubuntu.com>,
	Debian Kernel Team <debian-kernel@...ts.debian.org>,
	OpenSUSE Kernel Team <opensuse-kernel@...nsuse.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Fedora Kernel Team <kernel-team@...oraproject.org>
Subject: Re: [RFC] Simplifying kernel configuration for distro issues

On Thu, 19 Jul 2012, Ben Hutchings wrote:

> On Thu, Jul 19, 2012 at 06:30:47PM +0100, Alan Cox wrote:
>>
>> For the end user case you need the distro to plonk the right file in the
>> right place and be done with it, once they do that the rest is
>> bikeshedding a ten line Makefile rule.
>
> This might work well for future releases; is there not a need to
> make this work for past releases too?

This approach can work for any 3.x kernel version with any distro. The 
distro provides the file, with a new kernel version you do "make 
distconfig', with something prior to when this is added you do 'cp 
/etc/kconfig/filename .config ; make oldconfig' instead.

the make oldconfig papers over a LOT of differences between the kernel 
that the distro built with and the kernel the user is trying to compile.

David Lang
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