Re: [PATCH bpf-next v3 06/11] bpf: Introduce BPF_MAP_TYPE_STRUCT_OPS

[Daniel Borkmann <daniel@xxxxxxxxxxxxx>]

On 1/7/20 9:50 PM, Daniel Borkmann wrote:
> On 12/31/19 7:20 AM, Martin KaFai Lau wrote:
> [...]
> > diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
> > index 7ab67eeae6e7..19660f168a64 100644
> > --- a/kernel/bpf/verifier.c
> > +++ b/kernel/bpf/verifier.c
> > @@ -8154,6 +8154,11 @@ static int check_map_prog_compatibility(struct bpf_verifier_env *env,
> >           return -EINVAL;
> >       }
> > +    if (map->map_type == BPF_MAP_TYPE_STRUCT_OPS) {
> > +        verbose(env, "bpf_struct_ops map cannot be used in prog\n");
> > +        return -EINVAL;
> > +    }
> > +
>
> Do we also need to reject map in map creation via bpf_map_meta_alloc() ?
Scratch that thought, I just noticed you have it in place as well.

Thanks,
Daniel