Daniel Latypov <dlatypov@xxxxxxxxxx> writes: > The test currently is a bunch of checks (implemented using BUG_ON()) > that can be built into the kernel or as a module. > > Convert it to a KUnit test, which can also run in both modes. > From a user's perspective, this change adds a CONFIG_KUNIT=y dep and > changes the output format of the test [1]. The test itself is the same. ... I don't know why I got Cc'ed on this :), but I gave it a quick test anyway. Seems to work fine on a Power9. I also flipped some of the conditionals to make sure failure is detected correctly. Tested-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> (powerpc) > Meta: > 1. this patch applies on top of the kunit branch, > https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git/?h=kunit > > 2. checkpatch complains about aligning with parens, but it wants me to > indent the `#ifdef CONFIG_X86_64` which seems inappropriate in context. > > 3. this file doesn't seem to have a clear maintainer, so I assume this > conversion is fine to go through the kunit branch. I think you want to at least Cc the atomic folks: ATOMIC INFRASTRUCTURE M: Will Deacon <will@xxxxxxxxxx> M: Peter Zijlstra <peterz@xxxxxxxxxxxxx> R: Boqun Feng <boqun.feng@xxxxxxxxx> R: Mark Rutland <mark.rutland@xxxxxxx> L: linux-kernel@xxxxxxxxxxxxxxx S: Maintained cheers