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-rw-r--r--include/linux/netdevice.h10
-rw-r--r--net/core/netpoll.c8
2 files changed, 0 insertions, 18 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 322b5ea..da7a13c 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 d1264e9..de1b26a 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);
}
}