Export the sleepable kfuncs we have on HID-BPF in tracing bpf programs,
but with the condition of being used in a sleepable context.
This allows to use the bpf_timer when used in a sleepable context
through bpf_timer_set_sleepable_cb() and initiate work from a device event.
Signed-off-by: Benjamin Tissoires <bentiss@xxxxxxxxxx>
---
no changes in v4
no changes in v3
new in v2
---
drivers/hid/bpf/hid_bpf_dispatch.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/hid/bpf/hid_bpf_dispatch.c b/drivers/hid/bpf/hid_bpf_dispatch.c
index e1a650f4a626..e27c2ffb4f60 100644
--- a/drivers/hid/bpf/hid_bpf_dispatch.c
+++ b/drivers/hid/bpf/hid_bpf_dispatch.c
@@ -544,6 +544,11 @@ __bpf_kfunc_end_defs();
*/
BTF_KFUNCS_START(hid_bpf_kfunc_ids)
BTF_ID_FLAGS(func, hid_bpf_get_data, KF_RET_NULL)
+BTF_ID_FLAGS(func, hid_bpf_allocate_context, KF_ACQUIRE | KF_RET_NULL | KF_SLEEPABLE)
+BTF_ID_FLAGS(func, hid_bpf_release_context, KF_RELEASE | KF_SLEEPABLE)
+BTF_ID_FLAGS(func, hid_bpf_hw_request, KF_SLEEPABLE)
+BTF_ID_FLAGS(func, hid_bpf_hw_output_report, KF_SLEEPABLE)
+BTF_ID_FLAGS(func, hid_bpf_input_report, KF_SLEEPABLE)
BTF_KFUNCS_END(hid_bpf_kfunc_ids)
static const struct btf_kfunc_id_set hid_bpf_kfunc_set = {
--
2.44.0
