On Wed, 30 Apr 2008 20:30:51 +0200
Ingo Molnar <mingo@elte.hu> wrote:

quoted text
> 
> * Andrew Morton <akpm@linux-foundation.org> wrote:
> 
> > On Wed, 30 Apr 2008 19:57:40 +0200
> > Ingo Molnar <mingo@elte.hu> wrote:
> > 
> > > Ob'grumpy: this file was not even build-tested by any of the parties 
> > > who turned it into upstream commit ac41cfd19b ("isdn: use non-racy 
> > > method for proc entries creation").
> > 
> > That's because this stupidity:
> > 
> > config HYSDN
> >         tristate "Hypercope HYSDN cards (Champ, Ergo, Metro) support (module only)"
> >         depends on m && PROC_FS && PCI && BROKEN_ON_SMP
> > 
> > breaks allmodconfig coverage testing.
> 
> yeah. There's a trick though that we use in the x86 tree (and which i'm 
> using in a script when queuing up new patches). The following command 
> will punch through any Kconfig black holes:
> 
>   make drivers/isdn/hysdn/hysdn_procconf.o

That's daft, sorry.  We shouldn't expect everyone to do stuff like that.

quoted text
> (it wont always work as it needs a halfways reasonable .config, but it 
> works well enough to be part of my workflow.)
> 
> note that there's tons more stuff and dependencies that plain 
> allmodconfig does not catch - in this merge window alone i'm at around 
> 20 fixes so far.

allmodconfig is for one thing and one thing only: compilation coverage
testing.  If there is anything which is not compiled after `make
allmodconfig' then that's a bug.

But how to fix it?  Perhaps we need to add a CONFIG_ALLFOOCONFIG which can
be tested at the appropriate places.

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