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References: <20220304172852.274126-1-benjamin.tissoires@redhat.com> <20220304172852.274126-6-benjamin.tissoires@redhat.com>
In-Reply-To: <20220304172852.274126-6-benjamin.tissoires@redhat.com>
From:   Song Liu <song@kernel.org>
Date:   Fri, 4 Mar 2022 16:41:24 -0800
Message-ID: <CAPhsuW63HQE_GWFrz-t9_Uyq3KK3raYeG_x7OYMGR02DHzQ1=g@mail.gmail.com>
Subject: Re: [PATCH bpf-next v2 05/28] selftests/bpf: add tests for the
 HID-bpf initial implementation
To:     Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc:     Greg KH <gregkh@linuxfoundation.org>,
        Jiri Kosina <jikos@kernel.org>,
        Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Andrii Nakryiko <andrii@kernel.org>,
        Martin KaFai Lau <kafai@fb.com>,
        Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
        John Fastabend <john.fastabend@gmail.com>,
        KP Singh <kpsingh@kernel.org>, Shuah Khan <shuah@kernel.org>,
        Dave Marchevsky <davemarchevsky@fb.com>,
        Joe Stringer <joe@cilium.io>,
        Tero Kristo <tero.kristo@linux.intel.com>,
        open list <linux-kernel@vger.kernel.org>,
        "open list:HID CORE LAYER" <linux-input@vger.kernel.org>,
        Networking <netdev@vger.kernel.org>, bpf <bpf@vger.kernel.org>,
        linux-kselftest@vger.kernel.org
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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 ?

Thanks,
Song