On Fri, Jul 23, 2021 at 12:38:27PM +0200, Greg KH wrote: > 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? It's *the* way to run kunit. > > 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? That was experimental. And I know no one using it. > > 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? kunit requires codifying everything in C, what we need is a lot of flexibility to do all sorts of races in userspace, and actually use userspace tools. I am *not* going to even try to rewrite my selftest as a kunit test. It is just not going to happen. Luis
