On 5/1/24 10:05, Andrii Nakryiko wrote:
On Mon, Apr 29, 2024 at 2:36 PM Kui-Feng Lee <thinker.li@xxxxxxxxx> wrote:
Verify whether a user space program is informed through epoll with EPOLLHUP
when a struct_ops object is detached or unregistered using the function
bpf_struct_ops_kvalue_unreg() or BPF_LINK_DETACH.
Signed-off-by: Kui-Feng Lee <thinker.li@xxxxxxxxx>
---
.../selftests/bpf/bpf_testmod/bpf_testmod.c | 18 ++-
.../selftests/bpf/bpf_testmod/bpf_testmod.h | 1 +
.../bpf/prog_tests/test_struct_ops_module.c | 104 ++++++++++++++++++
.../selftests/bpf/progs/struct_ops_module.c | 7 ++
4 files changed, 126 insertions(+), 4 deletions(-)
[...]
diff --git a/tools/testing/selftests/bpf/progs/struct_ops_module.c b/tools/testing/selftests/bpf/progs/struct_ops_module.c
index 63b065dae002..7a697a7dd0ac 100644
--- a/tools/testing/selftests/bpf/progs/struct_ops_module.c
+++ b/tools/testing/selftests/bpf/progs/struct_ops_module.c
this file is a bit overloaded with code for various subtests, it's
quite hard already to follow what's going on, I suggest adding a
separate .c file for this new subtest
Ok!
@@ -81,3 +81,10 @@ struct bpf_testmod_ops___incompatible testmod_incompatible = {
.test_2 = (void *)test_2,
.data = 3,
};
+
+SEC(".struct_ops.link")
+struct bpf_testmod_ops testmod_do_unreg = {
+ .test_1 = (void *)test_1,
+ .test_2 = (void *)test_2,
+ .do_unreg = true,
+};
--
2.34.1
