Re: [PATCH bpf-next v2 05/28] selftests/bpf: add tests for the HID-bpf initial implementation

Benjamin Tissoires
2022-03-05T10:10:50Z

On Sat, Mar 5, 2022 at 1:41 AM Song Liu <song@kernel.org> wrote:
>
> On Fri, Mar 4, 2022 at 9:31 AM Benjamin Tissoires
> <benjamin.tissoires@redhat.com> wrote:
> >
> > The test is pretty basic:
> > - create a virtual uhid device that no userspace will like (to not mess
> > up the running system)
> > - attach a BPF prog to it
> > - open the matching hidraw node
> > - inject one event and check:
> > * that the BPF program can do something on the event stream
> > * can modify the event stream
> >
> > Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
> >
>
> Does this test run with vm (qemu, etc.)? Maybe we need to update
> tools/testing/selftests/bpf/config ?

Good point. I'll give it a shot. I was testing on my devel machine so
it was quicker to iterate, but I completely forgot to make a run at
qemu with the scripts in place.

Cheers,
Benjamin

>
> Thanks,
> Song
>