[bpf-next,v7,09/10] bpf: export btf_ctx_access to modules.

Commit Message

Kui-Feng Lee Oct. 27, 2023, 8:52 p.m. UTC

From: Kui-Feng Lee <[e-mail]>

The module requires the use of btf_ctx_access() to invoke
bpf_tracing_btf_ctx_access() from a module. This function is valuable for
implementing validation functions that ensure proper access to ctx.

Signed-off-by: Kui-Feng Lee <[e-mail]>
---
 kernel/bpf/btf.c | 1 +
 1 file changed, 1 insertion(+)

Patch

diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index 57d2114927e4..38f0611ee2f2 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -6139,6 +6139,7 @@  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 */