On Fri, Nov 12, 2021 at 2:34 AM Daniel Latypov <dlatypov@xxxxxxxxxx> wrote: > > The current error message is precise, but not very clear if you don't > already know what it's talking about, e.g. > > > $ make ARCH=um olddefconfig O=.kunit > > ERROR:root:Provided Kconfig is not contained in validated .config. Following fields found in kunitconfig, but not in .config: CONFIG_DRM=y > > Try to reword the error message so that it's > * your missing options usually have unsatisified dependencies > * if you're on UML, that might be the cause (it is, in this example) > > Signed-off-by: Daniel Latypov <dlatypov@xxxxxxxxxx> > --- Thanks -- I think this is a good improvement: the previous message was pretty opaque. Reviewed-by: David Gow <davidgow@xxxxxxxxxx> > > Note: this is based on https://lore.kernel.org/linux-kselftest/20211106013058.2621799-1-dlatypov@xxxxxxxxxx/ > There's a fairly trivial merge conflict between these two patches (that > patch changes the line above where this diff starts). > > --- > tools/testing/kunit/kunit_kernel.py | 20 +++++++++++--------- > 1 file changed, 11 insertions(+), 9 deletions(-) > > diff --git a/tools/testing/kunit/kunit_kernel.py b/tools/testing/kunit/kunit_kernel.py > index 7d459d6d6ff2..350883672be0 100644 > --- a/tools/testing/kunit/kunit_kernel.py > +++ b/tools/testing/kunit/kunit_kernel.py > @@ -266,15 +266,17 @@ class LinuxSourceTree(object): > def validate_config(self, build_dir) -> bool: > kconfig_path = get_kconfig_path(build_dir) > validated_kconfig = kunit_config.parse_file(kconfig_path) > - if not self._kconfig.is_subset_of(validated_kconfig): > - invalid = self._kconfig.entries() - validated_kconfig.entries() > - message = 'Provided Kconfig is not contained in validated .config. Following fields found in kunitconfig, ' \ > - 'but not in .config: %s' % ( > - ', '.join([str(e) for e in invalid]) > - ) > - logging.error(message) > - return False > - return True > + if self._kconfig.is_subset_of(validated_kconfig): > + return True > + invalid = self._kconfig.entries() - validated_kconfig.entries() > + message = 'Not all Kconfig options selected in kunitconfig were in the generated .config.\n' \ > + 'This is probably due to unsatisfied dependencies.\n' \ > + 'Missing: ' + ', '.join([str(e) for e in invalid]) > + if self._arch == 'um': > + message += '\nNote: many Kconfig options aren\'t available on UML. You can try running ' \ > + 'on a different architecture with something like "--arch=x86_64".' > + logging.error(message) > + return False > > def build_config(self, build_dir, make_options) -> bool: > kconfig_path = get_kconfig_path(build_dir) > > base-commit: c949316af0a7c2103521aaa39be85392e2f02bab > -- > 2.34.0.rc1.387.gb447b232ab-goog >