On Mon, Dec 7, 2020 at 6:07 AM Toke Høiland-Jørgensen <toke@xxxxxxxxxx> wrote: > > Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx> writes: > > > On Fri, Dec 4, 2020 at 7:11 PM Andrii Nakryiko <andrii@xxxxxxxxxx> wrote: > >> + return -EOPNOTSUPP; > > > > $ cd kernel/bpf > > $ git grep ENOTSUPP|wc -l > > 46 > > $ git grep EOPNOTSUPP|wc -l > > 11 > > But also > > $ cd kernel/include/uapi > $ git grep ENOTSUPP | wc -l > 0 > $ git grep EOPNOTSUPP | wc -l > 8 > > (i.e., ENOTSUPP is not defined in userspace headers at all) that's irrelevant. The kernel returns it already. It's a known constant regardless of .h
