[PATCH bpf-next v5 1/7] bpf: Make struct cgroup btf id global

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

Acked-by: David Vernet <void@xxxxxxxxxxxxx>
Signed-off-by: Yonghong Song <yhs@xxxxxx>
---
 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





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