Thread (131 messages) 131 messages, 12 authors, 2019-05-23

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

From: Frank Rowand <hidden>
Date: 2019-05-15 00:26:57
Also in: dri-devel, linux-doc, linux-fsdevel, linux-kbuild, linux-kselftest, linux-um, lkml, nvdimm

On 5/11/19 10:33 AM, Theodore Ts'o wrote:
On Fri, May 10, 2019 at 02:12:40PM -0700, Frank Rowand wrote:
quoted
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
.
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