On Mon, Jul 20, 2020 at 09:34:01AM -0700, Yonghong Song wrote: > Existing BTF_ID_LIST used a local static variable > to store btf_ids. This patch provided a new macro > BTF_ID_LIST_GLOBAL to store btf_ids in a global > variable which can be shared among multiple files. > > The existing BTF_ID_LIST is still retained. > Two reasons. First, BTF_ID_LIST is also used to build > btf_ids for helper arguments which typically > is an array of 5. Since typically different > helpers have different signature, it makes > little sense to share them. Second, some > current computed btf_ids are indeed local. > If later those btf_ids are shared between > different files, they can use BTF_ID_LIST_GLOBAL then. > > Signed-off-by: Yonghong Song <yhs@xxxxxx> Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx> jirka
