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

["Michal Suchánek" <msuchanek@suse.de>]

On Wed, Feb 25, 2026 at 12:37:58PM -0800, Josh Poimboeuf wrote:
> On Wed, Feb 25, 2026 at 09:23:09PM +0100, Michal Suchánek wrote:
> > 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@suse.de>
> > > 
> > > 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.
> 
> Why is the build script doing that?

To clollect the generated files, primarily for building modules.

Thanks

Michal