On Fri, May 13, 2022 at 8:14 PM Yonghong Song <yhs@xxxxxx> wrote: > > Certain subtests in selftests core_reloc and core_reloc_btfgen > requires llvm ENUM64 support in llvm15. If an older compiler > is used, these subtests will fail. Make this requirement clear > in selftests README.rst file. > > Signed-off-by: Yonghong Song <yhs@xxxxxx> > --- Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx> > tools/testing/selftests/bpf/README.rst | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/tools/testing/selftests/bpf/README.rst b/tools/testing/selftests/bpf/README.rst > index eb1b7541f39d..a83d78a58014 100644 > --- a/tools/testing/selftests/bpf/README.rst > +++ b/tools/testing/selftests/bpf/README.rst > @@ -266,3 +266,21 @@ from running test_progs will look like: > test_xdpwall:FAIL:Does LLVM have https://reviews.llvm.org/D109073? unexpected error: -4007 > > __ https://reviews.llvm.org/D109073 > + > +ENUM64 support and Clang version > +================================ > + > +There are a few selftests requiring LLVM ENUM64 support. The LLVM ENUM64 is > +introduced in `Clang 15` [0_]. Without proper compiler support, the following selftests > +will fail: > + > +.. code-block:: console > + > + #45 /73 core_reloc/enum64val:FAIL > + #45 /74 core_reloc/enum64val___diff:FAIL > + #45 /75 core_reloc/enum64val___val3_missing:FAIL > + #46 /73 core_reloc_btfgen/enum64val:FAIL > + #46 /74 core_reloc_btfgen/enum64val___diff:FAIL > + #46 /75 core_reloc_btfgen/enum64val___val3_missing:FAIL > + > +.. _0: https://reviews.llvm.org/D124641 > -- > 2.30.2 >
