On Mon, May 15, 2023 at 6:39 AM Jiri Olsa <jolsa@xxxxxxxxxx> wrote: > > Currently the test_verifier allows test to specify kfunc symbol > and search for it in the kernel BTF. > > Adding the possibility to search for kfunc also in bpf_testmod > module when it's not found in kernel BTF. > > To find bpf_testmod btf we need to get back SYS_ADMIN cap. > > Acked-by: David Vernet <void@xxxxxxxxxxxxx> > Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx> > --- > tools/testing/selftests/bpf/test_verifier.c | 161 +++++++++++++++++--- > 1 file changed, 139 insertions(+), 22 deletions(-) > Eduard is working on migrating most (if not all) test_verifier tests into test_progs where we can use libbpf declarative functionality for things like this. Eduard, can you please review this part? Would it make sense to just wait for the migration? If not, will there be anything involved to support something like this for the future migration? > diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c > index 285ea4aba194..71704a38cac3 100644 > --- a/tools/testing/selftests/bpf/test_verifier.c > +++ b/tools/testing/selftests/bpf/test_verifier.c > @@ -874,8 +874,140 @@ static int create_map_kptr(void) > return fd; > } > [...]
