datapath: Add usage of __percpu annotation.

Sparse can warn if percpu pointers are incorrectly directly
dereference.  This adds the annotation where we declare percpu
pointers.

Signed-off-by: Jesse Gross <jesse@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>

diff --git a/datapath/datapath.h b/datapath/datapath.h
index c55e2059409274ac8c50380f3a20784a45641369..66ade3e11c1910618311d60786f6358e301eacb7 100644 (file)
--- a/datapath/datapath.h
+++ b/datapath/datapath.h
@@ -96,7 +96,7 @@ struct datapath {
        struct list_head port_list;
 
        /* Stats. */
-       struct dp_stats_percpu *stats_percpu;
+       struct dp_stats_percpu __percpu *stats_percpu;
 
        /* sFlow Sampling */
        unsigned int sflow_probability;

diff --git a/datapath/vport.h b/datapath/vport.h
index b98c461ed3e9a0cd3de48bcf8742f58e99989d08..fb3a3e37f31afdba3073be08cd277b86fa359cf3 100644 (file)
--- a/datapath/vport.h
+++ b/datapath/vport.h
@@ -115,7 +115,7 @@ struct vport {
        struct hlist_node hash_node;
        const struct vport_ops *ops;
 
-       struct vport_percpu_stats *percpu_stats;
+       struct vport_percpu_stats __percpu *percpu_stats;
 
        spinlock_t stats_lock;
        struct vport_err_stats err_stats;