diff options
| -rw-r--r-- | include/linux/netdevice.h | 10 | ||||
| -rw-r--r-- | net/core/netpoll.c | 8 |
2 files changed, 0 insertions, 18 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 322b5eae57dd..da7a13c97eb8 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -262,8 +262,6 @@ enum netdev_state_t __LINK_STATE_LINKWATCH_PENDING, __LINK_STATE_DORMANT, __LINK_STATE_QDISC_RUNNING, - /* Set by the netpoll NAPI code */ - __LINK_STATE_POLL_LIST_FROZEN, }; @@ -1022,14 +1020,6 @@ static inline void netif_rx_complete(struct net_device *dev) { unsigned long flags; -#ifdef CONFIG_NETPOLL - /* Prevent race with netpoll - yes, this is a kludge. - * But at least it doesn't penalize the non-netpoll - * code path. */ - if (test_bit(__LINK_STATE_POLL_LIST_FROZEN, &dev->state)) - return; -#endif - local_irq_save(flags); __netif_rx_complete(dev); local_irq_restore(flags); diff --git a/net/core/netpoll.c b/net/core/netpoll.c index d1264e9a50a8..de1b26aa5720 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -124,13 +124,6 @@ static void poll_napi(struct netpoll *np) if (test_bit(__LINK_STATE_RX_SCHED, &np->dev->state) && npinfo->poll_owner != smp_processor_id() && spin_trylock(&npinfo->poll_lock)) { - /* When calling dev->poll from poll_napi, we may end up in - * netif_rx_complete. However, only the CPU to which the - * device was queued is allowed to remove it from poll_list. - * Setting POLL_LIST_FROZEN tells netif_rx_complete - * to leave the NAPI state alone. - */ - set_bit(__LINK_STATE_POLL_LIST_FROZEN, &np->dev->state); npinfo->rx_flags |= NETPOLL_RX_DROP; atomic_inc(&trapped); @@ -138,7 +131,6 @@ static void poll_napi(struct netpoll *np) atomic_dec(&trapped); npinfo->rx_flags &= ~NETPOLL_RX_DROP; - clear_bit(__LINK_STATE_POLL_LIST_FROZEN, &np->dev->state); spin_unlock(&npinfo->poll_lock); } } |