percpu: add __percpu sparse annotations to net drivers
Add __percpu sparse annotations to net drivers.
These annotations are to make sparse consider percpu variables to be
in a different address space and warn if accessed without going
through percpu accessors. This patch doesn't affect normal builds.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: David S. Miller <davem@davemloft.net>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 3a15de5..35609e6 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -34,7 +34,7 @@
struct veth_priv {
struct net_device *peer;
- struct veth_net_stats *stats;
+ struct veth_net_stats __percpu *stats;
unsigned ip_summed;
};
@@ -263,7 +263,7 @@
static int veth_dev_init(struct net_device *dev)
{
- struct veth_net_stats *stats;
+ struct veth_net_stats __percpu *stats;
struct veth_priv *priv;
stats = alloc_percpu(struct veth_net_stats);