On Wed, Dec 12, 2018 at 10:27:24AM -0800, Stanislav Fomichev wrote:
> The following prog types don't make sense without bpf cgroup:
> * BPF_PROG_TYPE_CGROUP_SKB
> * BPF_PROG_TYPE_CGROUP_SOCK
> * BPF_PROG_TYPE_CGROUP_SOCK_ADDR
>
> Skip running verifier tests that exercise these prog types if
> kernel is built without proper support.
>
> See commit e5c504858a18 ("selftests/bpf: skip verifier sockmap tests
> on kernels without support") for original motivation.
>
> Signed-off-by: Stanislav Fomichev <[email protected]>
> ---
> tools/testing/selftests/bpf/test_verifier.c | 35 +++++++++++++++++++++
> 1 file changed, 35 insertions(+)
>
> diff --git a/tools/testing/selftests/bpf/test_verifier.c
> b/tools/testing/selftests/bpf/test_verifier.c
> index f5015566ae1b..b5470a399996 100644
> --- a/tools/testing/selftests/bpf/test_verifier.c
> +++ b/tools/testing/selftests/bpf/test_verifier.c
> @@ -44,6 +44,7 @@
> /* fallback to all features enabled */
> # define CONFIG_BPF_STREAM_PARSER 1
> # define CONFIG_XDP_SOCKETS 1
> +# define CONFIG_CGROUP_BPF 1
I really don't like where these is going.
I think previous set should be reverted.
This is not a scalable approach.
Use libbpf probing approach to check whether feature is present instead.