diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/bpf/hashtab.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c index 65711a220fe0..431cef22d29d 100644 --- a/kernel/bpf/hashtab.c +++ b/kernel/bpf/hashtab.c @@ -706,15 +706,7 @@ static void htab_elem_free_rcu(struct rcu_head *head) struct htab_elem *l = container_of(head, struct htab_elem, rcu); struct bpf_htab *htab = l->htab; - /* must increment bpf_prog_active to avoid kprobe+bpf triggering while - * we're calling kfree, otherwise deadlock is possible if kprobes - * are placed somewhere inside of slub - */ - preempt_disable(); - __this_cpu_inc(bpf_prog_active); htab_elem_free(htab, l); - __this_cpu_dec(bpf_prog_active); - preempt_enable(); } static void free_htab_elem(struct bpf_htab *htab, struct htab_elem *l) |