[PATCH bpf-next v4 1/7] bpf: Make struct cgroup btf id global

Yonghong Song
2022-10-23T18:05:34Z

Make struct cgroup btf id global so later patch can reuse
the same btf id.

Signed-off-by: Yonghong Song <yhs@fb.com>
---
include/linux/btf_ids.h | 1 +
kernel/bpf/cgroup_iter.c | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/btf_ids.h b/include/linux/btf_ids.h
index 2aea877d644f..c9744efd202f 100644
--- a/include/linux/btf_ids.h
+++ b/include/linux/btf_ids.h
@@ -265,5 +265,6 @@ MAX_BTF_TRACING_TYPE,
};

extern u32 btf_tracing_ids[];
+extern u32 bpf_cgroup_btf_id[];

#endif
diff --git a/kernel/bpf/cgroup_iter.c b/kernel/bpf/cgroup_iter.c
index 0d200a993489..c6ffc706d583 100644
--- a/kernel/bpf/cgroup_iter.c
+++ b/kernel/bpf/cgroup_iter.c
@@ -157,7 +157,7 @@ static const struct seq_operations cgroup_iter_seq_ops = {
.show = cgroup_iter_seq_show,
};

-BTF_ID_LIST_SINGLE(bpf_cgroup_btf_id, struct, cgroup)
+BTF_ID_LIST_GLOBAL_SINGLE(bpf_cgroup_btf_id, struct, cgroup)

static int cgroup_iter_seq_init(void *priv, struct bpf_iter_aux_info *aux)
{
--
2.30.2