summaryrefslogtreecommitdiff
path: root/net/core/netpoll.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/core/netpoll.c')
-rw-r--r--net/core/netpoll.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index e4ba3e70c174..346b1eb83a1f 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -168,16 +168,24 @@ static void poll_napi(struct net_device *dev)
struct napi_struct *napi;
int budget = 16;
+ WARN_ON_ONCE(!irqs_disabled());
+
list_for_each_entry(napi, &dev->napi_list, dev_list) {
+ local_irq_enable();
if (napi->poll_owner != smp_processor_id() &&
spin_trylock(&napi->poll_lock)) {
+ rcu_read_lock_bh();
budget = poll_one_napi(rcu_dereference_bh(dev->npinfo),
napi, budget);
+ rcu_read_unlock_bh();
spin_unlock(&napi->poll_lock);
- if (!budget)
+ if (!budget) {
+ local_irq_disable();
break;
+ }
}
+ local_irq_disable();
}
}