Comment # 12 on bug 1229450 from Jiri Slaby

--- a/scripts/Makefile.btf
+++ b/scripts/Makefile.btf
@@ -12,7 +12,9 @@ endif

 pahole-flags-$(call test-ge, $(pahole-ver), 121)       += --btf_gen_floats

+ifeq ($(CONFIG_64BIT),y)
 pahole-flags-$(call test-ge, $(pahole-ver), 122)       += -j
+endif

 pahole-flags-$(call test-ge, $(pahole-ver), 125)       +=
--skip_encoding_btf_inconsistent_proto --btf_gen_optimized



will likely work. But we should likely detect architecture of pahole, not the
target kernel.