diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/bpf/test_run.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c index 2c5172b33209..619655db8d9e 100644 --- a/net/bpf/test_run.c +++ b/net/bpf/test_run.c @@ -293,31 +293,45 @@ int bpf_prog_test_run_flow_dissector(struct bpf_prog *prog, if (!repeat) repeat = 1; + rcu_read_lock(); + preempt_disable(); time_start = ktime_get_ns(); for (i = 0; i < repeat; i++) { - preempt_disable(); - rcu_read_lock(); retval = __skb_flow_bpf_dissect(prog, skb, &flow_keys_dissector, &flow_keys); - rcu_read_unlock(); - preempt_enable(); + + if (signal_pending(current)) { + preempt_enable(); + rcu_read_unlock(); + + ret = -EINTR; + goto out; + } if (need_resched()) { - if (signal_pending(current)) - break; time_spent += ktime_get_ns() - time_start; + preempt_enable(); + rcu_read_unlock(); + cond_resched(); + + rcu_read_lock(); + preempt_disable(); time_start = ktime_get_ns(); } } time_spent += ktime_get_ns() - time_start; + preempt_enable(); + rcu_read_unlock(); + do_div(time_spent, repeat); duration = time_spent > U32_MAX ? U32_MAX : (u32)time_spent; ret = bpf_test_finish(kattr, uattr, &flow_keys, sizeof(flow_keys), retval, duration); +out: kfree_skb(skb); kfree(sk); return ret; |