Re: [PATCH v3 1/3] kasan: switch kunit tests to console tracepoints

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On 11.12.2023 21:51, Andrey Konovalov wrote:
> On Mon, Dec 11, 2023 at 7:59 PM Paul Heidekrüger
> <paul.heidekrueger@xxxxxx> wrote:
> >
> > > Hi Paul,
> > >
> > > I've been successfully running KASAN tests with CONFIG_TRACEPOINTS
> > > enabled on arm64 since this patch landed.
> >
> > Interesting ...
> >
> > > What happens when you try running the tests with .kunitconfig? Does
> > > CONFIG_TRACEPOINTS or CONFIG_KASAN_KUNIT_TEST get disabled during
> > > kernel building?
> >
> > Yes, exactly, that's what's happening.
> >
> > Here's the output kunit.py is giving me. I replaced CONFIG_DEBUG_KERNEL with
> > CONFIG_TRACEPOINTS in my .kunitconfig. Otherwise, it's identical with the one I
> > posted above.
> >
> >         ➜   ./tools/testing/kunit/kunit.py run --kunitconfig=mm/kasan/.kunitconfig --arch=arm64
> >         Configuring KUnit Kernel ...
> >         Regenerating .config ...
> >         Populating config with:
> >         $ make ARCH=arm64 O=.kunit olddefconfig
> >         ERROR:root:Not all Kconfig options selected in kunitconfig were in the generated .config.
> >         This is probably due to unsatisfied dependencies.
> >         Missing: CONFIG_KASAN_KUNIT_TEST=y, CONFIG_TRACEPOINTS=y
> >
> > Does CONFIG_TRACEPOINTS have some dependency I'm not seeing? I couldn't find a
> > reason why it would get disabled, but I could definitely be wrong.
> 
> Does your .kunitconfig include CONFIG_TRACEPOINTS=y? I don't see it in
> the listing that you sent earlier.

Yes. For the kunit.py output from my previous email, I replaced 
CONFIG_DEBUG_KERNEL=y with CONFIG_TRACEPOINTS=y. So, the .kunitconfig I used to 
produce the output above was:
	
	CONFIG_KUNIT=y
	CONFIG_KUNIT_ALL_TESTS=n
	CONFIG_TRACEPOINTS=y
	CONFIG_KASAN=y
	CONFIG_KASAN_GENERIC=y
	CONFIG_KASAN_KUNIT_TEST=y

This more or less mirrors what mm/kfence/.kunitconfig is doing, which also isn't 
working on my side; kunit.py reports the same error.

Many thanks,
Paul




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