On Fri, Feb 01, 2019 at 11:30:38AM +0100, Borislav Petkov wrote: > This can't be a full kernel build. So I did this: $(obj)/%.s: $(src)/%.c FORCE @echo "HERE\n" $(call if_changed_dep,cc_s_c) and did a full kernel build with my .config. I got exactly *three* "HERE"s in the build log. So pls explain in more detail how you're measuring that slowdown. Thx. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.