Re: [PATCH bpf-next v1 0/6] Introduce eBPF support for HID devices

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HID selftests question for now:

On Fri, Feb 25, 2022 at 05:00:53PM +0100, Benjamin Tissoires wrote:
> > > I am not entirely clear on which plan I want to have for userspace.
> > > I'd like to have libinput on board, but right now, Peter's stance is
> > > "not in my garden" (and he has good reasons for it).
> > > So my initial plan is to cook and hold the bpf programs in hid-tools,
> > > which is the repo I am using for the regression tests on HID.
> >
> > Why isn't the hid regression tests in the kernel tree also?  That would
> > allow all of the testers out there to test things much easier than
> > having to suck down another test repo (like Linaro and 0-day and
> > kernelci would be forced to do).
> 
> 2 years ago I would have argued that the ease of development of
> gitlab.fd.o was more suited to a fast moving project.
> 
> Now... The changes in the core part of the code don't change much so
> yes, merging it in the kernel might have a lot of benefits outside of
> what you said. The most immediate one is that I could require fixes to
> be provided with a test, and merge them together, without having to
> hold them until Linus releases a new version.

Yes, having a test be required for a fix is a great idea.  Many
subsystems do this already and it helps a lot.

> If nobody complains of having the regression tests in python with
> pytest and some Python 3.6+ features, that is definitely something I
> should look for.

Look at the tools/testing/selftests/ directory today.  We already have
python3 tests in there, and as long as you follow the proper TAP output
format, all should be fine.  The tc-testing python code in the kernel
trees seems to do that and no one has complained yet :)

thanks,

greg k-h



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