Re: [PATCH] kbuild: only clean objtool on mrproper

[Michal Suchánek]

On Wed, Feb 25, 2026 at 01:04:17PM -0700, Nathan Chancellor wrote:
> On Wed, Feb 25, 2026 at 12:26:29PM +0100, Michal Suchanek wrote:
> > For packaging purposes I want to be able to grab the tool binaries
> > without the .o files
> > 
> > Fixes: 68b4fe32d737 ("kbuild: Add objtool to top-level clean target")
> > Signed-off-by: Michal Suchanek <msuchanek@xxxxxxx>
> 
> Wouldn't resolve_btfids need the same treatment?

No, make clean runs the clean target for resolve_btfids but the tool
remains.

> Why is objtool special here?

That's what I would like to know as well.

> Also, what's the use case? Running 'make clean' then copying what
> is left?

Yes, that's what my build script has been doing for at least a decade,
possibly mutiple decades when it was somebody else's build script.

Thanks

Michal

> Josh, thoughts on this change?
> 
> > ---
> >  Makefile | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/Makefile b/Makefile
> > index e944c6e71e81..e9b8811a02f5 100644
> > --- a/Makefile
> > +++ b/Makefile
> > @@ -1675,7 +1675,7 @@ vmlinuxclean:
> >  	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/link-vmlinux.sh clean
> >  	$(Q)$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) clean)
> >  
> > -clean: archclean vmlinuxclean resolve_btfids_clean objtool_clean
> > +clean: archclean vmlinuxclean resolve_btfids_clean
> >  
> >  # mrproper - Delete all generated files, including .config
> >  #
> > @@ -1686,7 +1686,7 @@ PHONY += $(mrproper-dirs) mrproper
> >  $(mrproper-dirs):
> >  	$(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@)
> >  
> > -mrproper: clean $(mrproper-dirs)
> > +mrproper: clean objtool_clean $(mrproper-dirs)
> >  	$(call cmd,rmfiles)
> >  	@find . $(RCS_FIND_IGNORE) \
> >  		\( -name '*.rmeta' \) \
> > -- 
> > 2.51.0
> >