X-Git-Url: http://git.subgeniuskitty.com/xeon-phi-kernel-module/.git/blobdiff_plain/339ca0d98e9d74f0d6b76973f7b04f0faefec365..5f16ba5ab48610cb242e8d98fcf42ce2261b8307:/host/vhost/vhost.h?ds=inline

diff --git a/host/vhost/vhost.h b/host/vhost/vhost.h
index 9bb1653..c478391 100644
--- a/host/vhost/vhost.h
+++ b/host/vhost/vhost.h
@@ -206,20 +206,9 @@ int vhost_zerocopy_signal_used(struct vhost_virtqueue *vq);
 	} while (0)
 
 #ifndef __rcu_dereference_index_check
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,3,0))
 #define __rcu_dereference_index_check(p, c) \
 	({ \
-	 typeof(p) _________p1 = ACCESS_ONCE(p); \
-	 rcu_lockdep_assert(c, \
-		 "suspicious rcu_dereference_index_check()" \
-		 " usage"); \
-	 smp_read_barrier_depends(); \
-	 (_________p1); \
-	 })
-#else
-#define __rcu_dereference_index_check(p, c) \
-	({ \
-	 typeof(p) _________p1 = ACCESS_ONCE(p); \
+	 typeof(p) _________p1 = READ_ONCE(p); \
 	 RCU_LOCKDEP_WARN(c, \
 		 "suspicious rcu_dereference_index_check()" \
 		 " usage"); \
@@ -227,7 +216,6 @@ int vhost_zerocopy_signal_used(struct vhost_virtqueue *vq);
 	 (_________p1); \
 	})
 #endif
-#endif
 
 enum {
 	VHOST_FEATURES = (1ULL << VIRTIO_F_NOTIFY_ON_EMPTY) |