diff options
Diffstat (limited to 'kernel/bpf/helpers.c')
| -rw-r--r-- | kernel/bpf/helpers.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c index 0b8ba6c81994..fe827f6e5234 100644 --- a/kernel/bpf/helpers.c +++ b/kernel/bpf/helpers.c @@ -1468,6 +1468,14 @@ void bpf_timer_cancel_and_free(void *val) kfree_rcu(t, cb.rcu); } +/* This function is called by map_delete/update_elem for individual element and + * by ops->map_release_uref when the user space reference to a map reaches zero. + */ +void bpf_wq_cancel_and_free(void *val) +{ + BTF_TYPE_EMIT(struct bpf_wq); +} + BPF_CALL_2(bpf_kptr_xchg, void *, map_value, void *, ptr) { unsigned long *kptr = map_value; |