Re: [PATCH v2 00/17] kunit: introduce KUnit, the Linux kernel unit testing framework

Frank Rowand
2019-05-15T00:26:51Z

On 5/11/19 10:33 AM, Theodore Ts'o wrote:
> On Fri, May 10, 2019 at 02:12:40PM -0700, Frank Rowand wrote:
>> However, the reply is incorrect. Kselftest in-kernel tests (which
>> is the context here) can be configured as built in instead of as
>> a module, and built in a UML kernel. The UML kernel can boot,
>> running the in-kernel tests before UML attempts to invoke the
>> init process.
>
> Um, Citation needed?

The paragraph that you quoted tells you exactly how to run a kselftest
in-kernel test in a UML kernel. Just to what that paragraph says.

>
> I don't see any evidence for this in the kselftest documentation, nor
> do I see any evidence of this in the kselftest Makefiles.
>
> There exists test modules in the kernel that run before the init
> scripts run --- but that's not strictly speaking part of kselftests,
> and do not have any kind of infrastructure. As noted, the
> kselftests_harness header file fundamentally assumes that you are
> running test code in userspace.

You are ignoring the kselftest in-kernel tests.

We are talking in circles. I'm done with this thread.

-Frank

>
> - Ted
> .
>