On Thu, 2025-01-30 at 12:12 -0800, Ihor Solodrai wrote: > BTF type tags and decl tags now may have info->kflag set to 1, > changing the semantics of the tag. > > Change BTF verification to permit BTF that makes use of this feature: > * remove kflag check in btf_decl_tag_check_meta(), as both values > are valid > * allow kflag to be set for BTF_KIND_TYPE_TAG type in > btf_ref_type_check_meta() > > Make sure kind_flag is NOT set when checking for specific BTF tags, > such as "kptr", "user" etc. > > Modify a selftest checking for kflag in decl_tag accordingly. > > Signed-off-by: Ihor Solodrai <ihor.solodrai@xxxxxxxxx> > --- Double checked all places where btf_type_is_type_tag() and btf_type_kflag() are used. The changes look correct. btf_type_is_type_tag() is used in 7 places, in 4 such places it is used in conjunction with !btf_type_kflag(t). Not sure if embedding btf_type_kflag(t) in btf_type_is_type_tag() makes sense. Acked-by: Eduard Zingerman <eddyz87@xxxxxxxxx> [...]
