Commit 3f1d0dc0 authored by Yonghong Song's avatar Yonghong Song Committed by Alexei Starovoitov

selftests/bpf: Clarify llvm dependency with btf_tag selftest

btf_tag selftest needs certain llvm versions (>= llvm14).
Make it clear in the selftests README.rst file.
Signed-off-by: default avatarYonghong Song <yhs@fb.com>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
Acked-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211112012651.1508549-1-yhs@fb.com
parent 5698a42a
...@@ -204,16 +204,17 @@ __ https://reviews.llvm.org/D93563 ...@@ -204,16 +204,17 @@ __ https://reviews.llvm.org/D93563
btf_tag test and Clang version btf_tag test and Clang version
============================== ==============================
The btf_tag selftest require LLVM support to recognize the btf_decl_tag attribute. The btf_tag selftest requires LLVM support to recognize the btf_decl_tag and
It was introduced in `Clang 14`__. 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 .. code-block:: console
#<test_num> btf_tag:SKIP #<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 Clang dependencies for static linking tests
=========================================== ===========================================
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