kernel defconfig, debugging, preemption, and very noticeable speedups/ debugging

[Petr Vanek]

>Gennady Kupava wrote:
>> i see no reason why debugging features should be enabled for anyone
>> expect kernel developers, and kernel developers i think, should only
>> enable features directly related to things they are doing.
>I second this opinion.
>If the developers are afraid to lose debugging info from testers, then
>I propose that they supply an optional debugging-enabled kernel
>package for easy installation so that users can support debugging when
>the need arises.
>
>But in my opinion, in every testing and unstable build image things
>MUST be optimized for stability AND speed. Please remove debugging
>stuff from kernel ASAP. As to compiler optimizations... well, there
>things get more complicated and must be looked at carefully.

great. if the current default kernel is -dev, why not have an
-experimental one then?

Petr