[PATCH bpf-next v3 1/2] bpf: enable generic kfuncs for BPF_CGROUP_* programs

[technoboy85]

From: Matteo Croce <teknora...@meta.com>

These kfuncs are enabled even in BPF_PROG_TYPE_TRACING, so they
should be safe also in BPF_CGROUP_* programs.

Acked-by: Andrii Nakryiko <and...@kernel.org>
Signed-off-by: Matteo Croce <teknora...@meta.com>
---
 kernel/bpf/helpers.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c
index d02ae323996b..0d1d97d968b0 100644
--- a/kernel/bpf/helpers.c
+++ b/kernel/bpf/helpers.c
@@ -3052,6 +3052,12 @@ static int __init kfunc_init(void)
        ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_XDP, 
&generic_kfunc_set);
        ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_STRUCT_OPS, 
&generic_kfunc_set);
        ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_SYSCALL, 
&generic_kfunc_set);
+       ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_CGROUP_SKB, 
&generic_kfunc_set);
+       ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_CGROUP_SOCK, 
&generic_kfunc_set);
+       ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_CGROUP_DEVICE, 
&generic_kfunc_set);
+       ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_CGROUP_SOCK_ADDR, 
&generic_kfunc_set);
+       ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_CGROUP_SYSCTL, 
&generic_kfunc_set);
+       ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_CGROUP_SOCKOPT, 
&generic_kfunc_set);
        ret = ret ?: register_btf_id_dtor_kfuncs(generic_dtors,
                                                  ARRAY_SIZE(generic_dtors),
                                                  THIS_MODULE);
-- 
2.45.2