Add tips to clean source tree to build help message. When user run kunit.py after building another kernel for ARCH=foo, it is necessary to run 'make ARCH=foo mrproper' to remove all build artifacts generated during the build. In such cases, kunit build could fail.
Signed-off-by: Shuah Khan skhan@linuxfoundation.org --- tools/testing/kunit/kunit.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py index 7f9ae55fd6d5..db86a396ed33 100755 --- a/tools/testing/kunit/kunit.py +++ b/tools/testing/kunit/kunit.py @@ -583,7 +583,7 @@ def main(argv: Sequence[str]) -> None: 'the options in .kunitconfig') add_common_opts(config_parser)
- build_parser = subparser.add_parser('build', help='Builds a kernel with KUnit tests') + build_parser = subparser.add_parser('build', help='Builds a kernel with KUnit tests. Successful build depends on a clean source tree. Run mrproper to clean generated artifcats for prior ARCH=foo kernel build. Run 'make ARCH=foo mrproper') add_common_opts(build_parser) add_build_opts(build_parser)