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SubjectRe: [PATCH v2] kunit: tool: add --kernel_args to allow setting module params
On Wed, Jul 14, 2021 at 11:14 PM David Gow <davidgow@google.com> wrote:
>
> On Thu, Jul 15, 2021 at 7:15 AM Daniel Latypov <dlatypov@google.com> wrote:
> >
> > kunit.py currently does not make it possible for users to specify module
> > parameters (/kernel arguments more generally) unless one directly tweaks
> > the kunit.py code itself.
> >
> > This hasn't mattered much so far, but this would make it easier to port
> > existing tests that expose module parameters over to KUnit and/or let
> > current KUnit tests take advantage of them.
> >
> > Tested using an kunit internal parameter:
> > $ ./tools/testing/kunit/kunit.py run --kunitconfig=lib/kunit \
> > --kernel_args=kunit.filter_glob=kunit_status
> > ...
> > Testing complete. 2 tests run. 0 failed. 0 crashed. 0 skipped.
> >
> > Signed-off-by: Daniel Latypov <dlatypov@google.com>
>
> Thanks! This is probably overdue: while I still think we want to avoid
> this being necessary for most uses, it definitely was a gap in
> kunit_tool functionality.
>
> I tested this and it worked fine, but did cause several of the
> kunit_tool_tests to fail, largely due to there being changes to the
> arguments of run_kernel(). Those should just require the associated
> tests to be updated.

Oops, completely forgot about kunit_tool_test.py. Sent out a v3.
I also went and added a test case to make sure the flag can be
repeated and gets plumbed through properly.

>
> -- David

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