Re: [RFC] Simplifying kernel configuration for distro issues
From: Steven Rostedt
Date: Thu Jul 19 2012 - 12:11:59 EST
On Thu, 2012-07-19 at 08:43 -0700, Linus Torvalds wrote:
> On Thu, Jul 19, 2012 at 8:26 AM, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> > Side note, and this is for the 1%. If you want a true minconfig for your
> > system, ktest can do that for you.
> Try it, it's actually much harder than it seems. Like allmodconfig, it
> handles the minimum hardware well, but it tends to handle the subtle
> issues really badly.
> Many config options cause *very* subtle failures that are almost
> impossible to see. Like firewalls not loading correctly (and leaving
> the machine completely open), or just stuff that you didn't happen to
> test (USB sticks, printers, certain programs) not working. Not having
> the right audit options will make things still "work", but you'll get
> warnings at bootup, and who knows what that causes etc etc.
> These kinds of things are exactly why I'd like to have a distro config.
This is why it was more of a side note, and for the 1%. If there's
things you have tests for, to confirm that they work, you could add
those to the TEST option, and the config generated will guarantee to fix
But as you stated, there's lots of subtle things that can go wrong. I
was just posting this as a plug for ktest ;-)
For what you want, I think having the distro supply
a /usr/share/Linux/Kconfig that the linux build system can use would be
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