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Date:	Wed, 2 Oct 2013 09:14:06 +0300
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	Jason Wang <jasowang@...hat.com>, rusty@...tcorp.com.au
Cc:	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jiri Pirko <jiri@...nulli.us>,
	Vlad Yasevich <vyasevic@...hat.com>,
	Cong Wang <amwang@...hat.com>,
	Alexander Duyck <alexander.h.duyck@...el.com>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] netif_set_xps_queue: make cpu mask const

virtio wants to pass in cpumask_of(cpu), make parameter
const to avoid build warnings.

Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
---
 include/linux/netdevice.h | 5 +++--
 net/core/dev.c            | 3 ++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 3de49ac..25f5d2d 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2264,11 +2264,12 @@ static inline void netif_wake_subqueue(struct net_device *dev, u16 queue_index)
 }
 
 #ifdef CONFIG_XPS
-extern int netif_set_xps_queue(struct net_device *dev, struct cpumask *mask,
+extern int netif_set_xps_queue(struct net_device *dev,
+			       const struct cpumask *mask,
 			       u16 index);
 #else
 static inline int netif_set_xps_queue(struct net_device *dev,
-				      struct cpumask *mask,
+				      const struct cpumask *mask,
 				      u16 index)
 {
 	return 0;
diff --git a/net/core/dev.c b/net/core/dev.c
index 5c713f2..f18eebd 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1917,7 +1917,8 @@ static struct xps_map *expand_xps_map(struct xps_map *map,
 	return new_map;
 }
 
-int netif_set_xps_queue(struct net_device *dev, struct cpumask *mask, u16 index)
+int netif_set_xps_queue(struct net_device *dev, const struct cpumask *mask,
+			u16 index)
 {
 	struct xps_dev_maps *dev_maps, *new_dev_maps = NULL;
 	struct xps_map *map, *new_map;
-- 
MST
--
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