From 9852fbec2c95b6e168c55e97e6051b99aead6f31 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Fri, 14 Mar 2014 20:45:17 -0700
Subject: [PATCH] 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" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/core/netpoll.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index ef4f45df539f8..147c75855c9b9 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;
--
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