On Wed, Sep 9, 2020 at 10:13 AM Lorenz Bauer <lmb@xxxxxxxxxxxxxx> wrote: > > Add a convenience macro that allows defining a BTF ID list with > a single item. This lets us cut down on repetitive macros. > > Signed-off-by: Lorenz Bauer <lmb@xxxxxxxxxxxxxx> > Suggested-by: Andrii Nakryiko <andriin@xxxxxx> > --- > include/linux/btf_ids.h | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/include/linux/btf_ids.h b/include/linux/btf_ids.h > index 210b086188a3..d6a959572175 100644 > --- a/include/linux/btf_ids.h > +++ b/include/linux/btf_ids.h > @@ -76,6 +76,13 @@ extern u32 name[]; > #define BTF_ID_LIST_GLOBAL(name) \ > __BTF_ID_LIST(name, globl) > > +/* The BTF_ID_LIST_SINGLE macro defines a BTF_ID_LIST with > + * a single entry. > + */ > +#define BTF_ID_LIST_SINGLE(name, prefix, typename) \ > + BTF_ID_LIST(name) \ > + BTF_ID(prefix, typename) > + This is a very minor improvement over open coded BTF_ID_LIST(name) BTF_ID(prefix, typename) It made way more sense for SET, due to duplication of set name in START/END. But I don't mind it either. > /* > * The BTF_ID_UNUSED macro defines 4 zero bytes. > * It's used when we want to define 'unused' entry > -- > 2.25.1 >
