On Tue, Jan 27, 2026 at 5:12 PM Josh Poimboeuf <[email protected]> wrote: > > Some special sections specify their ELF section entsize, for example: > > .pushsection section, "M", @progbits, 8 > > The entsize (8 in this example) is needed by objtool klp-diff for > extracting individual entries. > > Clang assembler versions older than 20 silently ignore the above > construct and set entsize to 0, resulting in the following error: > > .discard.annotate_data: missing special section entsize or annotations > > Add a klp-build check to prevent the use of Clang assembler versions > prior to 20. > > Fixes: 24ebfcd65a87 ("livepatch/klp-build: Introduce klp-build script for > generating livepatch modules") > Reported-by: Song Liu <[email protected]> > Signed-off-by: Josh Poimboeuf <[email protected]>
Acked-by: Song Liu <[email protected]>

