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Mon, 02 Mar 2026 02:02:38 -0800 (PST) From: Jiri Olsa X-Google-Original-From: Jiri Olsa Date: Mon, 2 Mar 2026 11:02:36 +0100 To: Sun Jian Cc: Andrii Nakryiko , Shuah Khan , Eduard Zingerman , Alexei Starovoitov , Daniel Borkmann , bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/2] selftests/bpf: bpf_cookie: skip kprobe_multi tests without bpf_testmod Message-ID: References: <20260228074555.122950-1-sun.jian.kdev@gmail.com> <20260228074555.122950-2-sun.jian.kdev@gmail.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260228074555.122950-2-sun.jian.kdev@gmail.com> On Sat, Feb 28, 2026 at 03:45:54PM +0800, Sun Jian wrote: > The kprobe_multi subtests rely on bpf_testmod fentry ksyms. > > When bpf_testmod isn't available, libbpf fails to resolve > bpf_testmod_fentry_test* and skeleton load fails with -ESRCH, causing > false failures. > > Skip these subtests when env.has_testmod is false. > > Signed-off-by: Sun Jian please include bpf-next in the subject, other than that: Acked-by: Jiri Olsa thanks, jirka > > --- > Changes in v2: > > No functional change. > > Drop the unrelated perf_event_open() argument change from this patch > (moved to patch 2/2). > > v1: > --- > tools/testing/selftests/bpf/prog_tests/bpf_cookie.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c b/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c > index 75f4dff7d042..b7643a5bf7ad 100644 > --- a/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c > +++ b/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c > @@ -105,6 +105,11 @@ static void kprobe_multi_link_api_subtest(void) > unsigned long long addrs[8]; > __u64 cookies[8]; > > + if (!env.has_testmod) { > + test__skip(); > + return; > + } > + > if (!ASSERT_OK(load_kallsyms(), "load_kallsyms")) > goto cleanup; > > @@ -192,6 +197,11 @@ static void kprobe_multi_attach_api_subtest(void) > }; > __u64 cookies[8]; > > + if (!env.has_testmod) { > + test__skip(); > + return; > + } > + > skel = kprobe_multi__open_and_load(); > if (!ASSERT_OK_PTR(skel, "fentry_raw_skel_load")) > goto cleanup; > -- > 2.43.0 > >