Em Tue, 29 Apr 2025 16:27:12 -0600 Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx> escreveu: > 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@xxxxxxxxxxxxxxxxxxx> > --- > 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) > Would be better instead to detect if the last build was not done by kunit.py and call "make mrproper" inside kunit.py? Thanks, Mauro