On Tue, Jan 13, 2026 at 01:28:51PM +0100, Thomas Weißschuh wrote: > The upcoming module hashes functionality will build the modules in > between the generation of the BTF data and the final link of vmlinux. > At this point vmlinux is not yet built and therefore can't be used for > module BTF generation. vmlinux.unstripped however is usable and > sufficient for BTF generation. > > Signed-off-by: Thomas Weißschuh <[email protected]> > --- > scripts/Makefile.modfinal | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/scripts/Makefile.modfinal b/scripts/Makefile.modfinal > index adfef1e002a9..930db0524a0a 100644 > --- a/scripts/Makefile.modfinal > +++ b/scripts/Makefile.modfinal > @@ -40,11 +40,11 @@ quiet_cmd_ld_ko_o = LD [M] $@ > > quiet_cmd_btf_ko = BTF [M] $@ > cmd_btf_ko = \ > - if [ ! -f $(objtree)/vmlinux ]; then \ > - printf "Skipping BTF generation for %s due to unavailability of > vmlinux\n" $@ 1>&2; \ > + if [ ! -f $(objtree)/vmlinux.unstripped ]; then \ > + printf "Skipping BTF generation for %s due to unavailability of > vmlinux.unstripped\n" $@ 1>&2; \ > else \ > - LLVM_OBJCOPY="$(OBJCOPY)" $(PAHOLE) -J $(PAHOLE_FLAGS) > $(MODULE_PAHOLE_FLAGS) --btf_base $(objtree)/vmlinux $@; \ > - $(RESOLVE_BTFIDS) -b $(objtree)/vmlinux $@; \ > + LLVM_OBJCOPY="$(OBJCOPY)" $(PAHOLE) -J $(PAHOLE_FLAGS) > $(MODULE_PAHOLE_FLAGS) --btf_base $(objtree)/vmlinux.unstripped $@; \ > + $(RESOLVE_BTFIDS) -b $(objtree)/vmlinux.unstripped $@; \
Reviewed-by: Nicolas Schier <[email protected]> # kbuild I'd like to have some BTF ack for that. -- Nicolas
