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SubjectRe: [PATCH 00/14] kconfig: streamline distro configs for testers

* Steven Rostedt <rostedt@goodmis.org> wrote:

>
> On Fri, 21 Aug 2009, Ingo Molnar wrote:
>
> >
> > * Steven Rostedt <rostedt@goodmis.org> wrote:
> >
> > >
> > > On Fri, 21 Aug 2009, Steven Rostedt wrote:
> > > >
> > > > OK, I found the bug. There's a dependency missing.
> > > >
> > > > $ make localyesconfig
> > > > HOSTCC scripts/basic/fixdep
> > > > HOSTCC scripts/basic/docproc
> > > > HOSTCC scripts/basic/hash
> > > > using config: '/boot/config-2.6.27.25-78.2.56.fc9.x86_64'
> > > > /bin/sh: line 8: scripts/kconfig/conf: No such file or directory
> > > > make[1]: *** [localyesconfig] Error 127
> > > > make: *** [localyesconfig] Error 2
> > > >
> > > > Thus the script failed to run. But the sed command that converts the '=m'
> > > > to '=y' still ran. This gives us a distro config with all modules
> > > > converted to built in!
> > >
> > > Funny that localmodconfig does not have this bug.
> >
> > ... add to that i dont use modules much so i probably hit that
> > localyesconfig bug ;-)
> >
> > btw: mind adding localrandconfig too? It would be a perfect tool to
> > randomize all configs except a 'must have' core set of options.
> >
> > ( Or is this already possible via some existing kconfig feature? I
> > remember having seen something related, did that ever get
> > upstream? A quick grep in scripts/ shows nothing but i might have
> > missed it.)
>
> OK, I'll add that to my todo list. Note, it the local config is
> only as good as the starting .config. That is, it never touches =y
> settings, because it only uses loaded modules as a base. Thus if
> something is set to =y it will always be set to =y.
>
> What would you have in mind. Just randomly enabling modules? If we
> enable a "y" config then the next local*config will still keep
> that set.

Why - isnt local*config picking up environmental (currently running
kernel) properties? I.e. it would always set those things that are
needed - and randomize the rest. Have i misunderstood how it works?

Ingo


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