Re: [PATCH v2 1/4] selftests: add tests_sysfs module

On Thu, Jul 22, 2021 at 03:34:49PM -0700, Luis Chamberlain wrote:

kunit relies on UML and UML is a simple one core architecture, to start
with.

I thought the UML requirement was long gone, are you sure it is still
present?

This means I cannot run tests for multicore with it, which is
where many races do happen! Yes, you can run kunit on other
architectures, but all that is new.

What do you mean by "new"?  It should work today, in today's kernel
tree, right?

In this case kunit is not ideal given I want to mimic something in
userspace interaction, and expose races through error injection and
if we can use as many cores to busy races out.

Can you not do that with kunit?  If not, why not?

thanks,

greg k-h