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Re: [RFC] Simplifying kernel configuration for distro issues

From:  Dave Jones <davej-H+wXaHxf7aLQT0dZR+AlfA-AT-public.gmane.org>
To:  Linus Torvalds <torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b-AT-public.gmane.org>
Subject:  Re: [RFC] Simplifying kernel configuration for distro issues
Date:  Fri, 13 Jul 2012 17:02:40 -0400
Message-ID:  <20120713210240.GG1707@redhat.com>
Cc:  Greg Kroah-Hartman <greg-U8xfFu+wG4EAvxtiuMwx3w-AT-public.gmane.org>, Ubuntu Kernel Team <kernel-team-nLRlyDuq1AZFpShjVBNYrg-AT-public.gmane.org>, Debian Kernel Team <debian-kernel-0aAXYlwwYIJuHlm7Suoebg-AT-public.gmane.org>, OpenSUSE Kernel Team <opensuse-kernel-stAJ6ESoqRxg9hUCZPvPmw-AT-public.gmane.org>, Linux Kernel Mailing List <linux-kernel-u79uwXL29TY76Z2rM5mHXA-AT-public.gmane.org>, Fedora Kernel Team <kernel-team-rxtnV0ftBwyoClj4AeEUq9i2O/JbrIOy-AT-public.gmane.org>
Archive-link:  Article

On Fri, Jul 13, 2012 at 01:37:41PM -0700, Linus Torvalds wrote:

 > The point I'm slowly getting to is that I would actually love to have
 > *distro* Kconfig-files, where the distribution would be able to say
 > "These are the minimums I *require* to work".

As long as you don't mind these being added after the fact, I suppose
it would be workable.  The reason I say that is sometimes, it even catches *us*
by surprise.  We recently found out our virtualisation guys started
using sch_htb for example, and we inadvertantly broke it when we moved
its module to a 'not always installed' kernel subpackage. (and before that, 9PFS..)

People don't tell us anything, but somehow expect things to keep working.

 > In addition to the "minimal distro settings", we might also have a few
 > "common platform" settings, so that you could basically do a "hey, I
 > have a modern PC laptop, make it pick the obvious stuff that a normal
 > person needs, like USB storage, FAT/VFAT support, the core power
 > management etc".

I wish defconfig was actually something useful like this, instead of..
what the hell is it exactly ? No-one even seems to agree, other than
"random selection of options, many of which were removed n years ago"

	Dave



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