[PATCH bpf-next v3 09/10] selftests/bpf: Clarify llvm dependency with btf_tag selftest

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btf_tag selftest needs certain llvm versions (>= llvm14).
Make it clear in the selftests README.rst file.

Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
Signed-off-by: Yonghong Song <yhs@xxxxxx>
---
 tools/testing/selftests/bpf/README.rst | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/bpf/README.rst b/tools/testing/selftests/bpf/README.rst
index 5e287e445f75..42ef250c7acc 100644
--- a/tools/testing/selftests/bpf/README.rst
+++ b/tools/testing/selftests/bpf/README.rst
@@ -204,16 +204,17 @@ __ https://reviews.llvm.org/D93563
 btf_tag test and Clang version
 ==============================
 
-The btf_tag selftest require LLVM support to recognize the btf_decl_tag attribute.
-It was introduced in `Clang 14`__.
+The btf_tag selftest requires LLVM support to recognize the btf_decl_tag and
+btf_type_tag attributes. They are introduced in `Clang 14` [0_, 1_].
 
-Without it, the btf_tag selftest will be skipped and you will observe:
+Without them, the btf_tag selftest will be skipped and you will observe:
 
 .. code-block:: console
 
   #<test_num> btf_tag:SKIP
 
-__ https://reviews.llvm.org/D111588
+.. _0: https://reviews.llvm.org/D111588
+.. _1: https://reviews.llvm.org/D111199
 
 Clang dependencies for static linking tests
 ===========================================
-- 
2.30.2





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