[RFC bpf-next v3 10/11] bpf: export btf_ctx_access to modules.

[thinker.li@gmail.com]

From: Kui-Feng Lee <thinker.li@gmail.com>

btf_ctx_access() is needed by module to call bpf_tracing_btf_ctx_access().
btf_ctx_access()) is helpful to implement validation functions that
validates ctx accesses.

Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
---
 kernel/bpf/btf.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index 73d19ef99306..c970a04b9142 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -6141,6 +6141,7 @@ bool btf_ctx_access(int off, int size, enum bpf_access_type type,
 		__btf_name_by_offset(btf, t->name_off));
 	return true;
 }
+EXPORT_SYMBOL_GPL(btf_ctx_access);
 
 enum bpf_struct_walk_result {
 	/* < 0 error */
-- 
2.34.1