From: Yonghong Song <yhs@fb.com>
Date: Thu, 11 Nov 2021 17:26:51 -0800
Subject: selftests/bpf: Clarify llvm dependency with btf_tag selftest
Patch-mainline: v5.17-rc1
Git-commit: 3f1d0dc0ba290aab357083a0abfe267c8cffdc8d
References: jsc#PED-1368

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

Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211112012651.1508549-1-yhs@fb.com
Acked-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>
---
 tools/testing/selftests/bpf/README.rst |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

--- 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
 ===========================================