From: Eric W. Biederman Date: Sat, 15 Mar 2014 03:45:17 +0000 (-0700) Subject: netpoll: Pass budget into poll_napi X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=9852fbec2c95b6e168c55e97e6051b99aead6f31;p=openwrt%2Fstaging%2Fblogic.git netpoll: Pass budget into poll_napi This moves the control logic to the top level in netpoll_poll_dev instead of having it dispersed throughout netpoll_poll_dev, poll_napi and poll_one_napi. Signed-off-by: "Eric W. Biederman" Signed-off-by: David S. Miller --- diff --git a/net/core/netpoll.c b/net/core/netpoll.c index ef4f45df539f..147c75855c9b 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -165,10 +165,9 @@ static int poll_one_napi(struct napi_struct *napi, int budget) return budget - work; } -static void poll_napi(struct net_device *dev) +static void poll_napi(struct net_device *dev, int budget) { struct napi_struct *napi; - int budget = 16; list_for_each_entry(napi, &dev->napi_list, dev_list) { if (napi->poll_owner != smp_processor_id() && @@ -196,6 +195,7 @@ static void netpoll_poll_dev(struct net_device *dev) { const struct net_device_ops *ops; struct netpoll_info *ni = rcu_dereference_bh(dev->npinfo); + int budget = 16; /* Don't do any rx activity if the dev_lock mutex is held * the dev_open/close paths use this to block netpoll activity @@ -221,7 +221,7 @@ static void netpoll_poll_dev(struct net_device *dev) /* Process pending work on NIC */ ops->ndo_poll_controller(dev); - poll_napi(dev); + poll_napi(dev, budget); atomic_dec(&trapped); ni->rx_flags &= ~NETPOLL_RX_DROP;