On Mon, May 05, 2008 at 01:42:52PM -0700, Andrew Morton wrote:
quoted text
> On Mon, 5 May 2008 22:19:06 +0200
> Ingo Molnar <mingo@elte.hu> wrote:
> 
> > Firstly, the practical problem: today "make namespacecheck" emits way 
> > too many false positives even on an allyesconfig build
> 
> We don't actually care about what comes out of `make namespacecheck'.  We
> care about the _difference_ in its output when a patch is applied.
> 
> So a script which reports on what changes a particular patch has upon
> namespacecheck output might be the way to go.  If it is fast enough then it
> can be run on a per-patch basis alongside checkpatch.

"make namespacecheck" works on the binary objects.

- touching header files can result in a complete rebuild
- if a patch alters which objects get built you should start with
  a clean object dir

The question is therefore basically whether a complete rebuild of an
all*config kernel is fast enough for you...

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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