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 > . >