Merge branch 'devel-stable' into for-next

3 files changed, 12 insertions, 1 deletions

diff --git a/include/uapi/linux/in6.h b/include/uapi/linux/in6.h
index 74a2a1773494..79b12b004ade 100644
--- a/include/uapi/linux/in6.h
+++ b/include/uapi/linux/in6.h
@@ -149,7 +149,7 @@ struct in6_flowlabel_req {
 /*
  *      IPV6 socket options
  */
-
+#if __UAPI_DEF_IPV6_OPTIONS
 #define IPV6_ADDRFORM           1
 #define IPV6_2292PKTINFO        2
 #define IPV6_2292HOPOPTS        3
@@ -196,6 +196,7 @@ struct in6_flowlabel_req {
 
 #define IPV6_IPSEC_POLICY       34
 #define IPV6_XFRM_POLICY        35
+#endif
 
 /*
  * Multicast:
diff --git a/include/uapi/linux/libc-compat.h b/include/uapi/linux/libc-compat.h
index c140620dad92..e28807ad17fa 100644
--- a/include/uapi/linux/libc-compat.h
+++ b/include/uapi/linux/libc-compat.h
@@ -69,6 +69,7 @@
 #define __UAPI_DEF_SOCKADDR_IN6         0
 #define __UAPI_DEF_IPV6_MREQ            0
 #define __UAPI_DEF_IPPROTO_V6           0
+#define __UAPI_DEF_IPV6_OPTIONS         0
 
 #else
 
@@ -82,6 +83,7 @@
 #define __UAPI_DEF_SOCKADDR_IN6         1
 #define __UAPI_DEF_IPV6_MREQ            1
 #define __UAPI_DEF_IPPROTO_V6           1
+#define __UAPI_DEF_IPV6_OPTIONS         1
 
 #endif /* _NETINET_IN_H */
 
@@ -103,6 +105,7 @@
 #define __UAPI_DEF_SOCKADDR_IN6         1
 #define __UAPI_DEF_IPV6_MREQ            1
 #define __UAPI_DEF_IPPROTO_V6           1
+#define __UAPI_DEF_IPV6_OPTIONS         1
 
 /* Definitions for xattr.h */
 #define __UAPI_DEF_XATTR                1
diff --git a/include/uapi/linux/virtio_ring.h b/include/uapi/linux/virtio_ring.h
index 61c818a7fe70..a3318f31e8e7 100644
--- a/include/uapi/linux/virtio_ring.h
+++ b/include/uapi/linux/virtio_ring.h
@@ -101,6 +101,13 @@ struct vring {
         struct vring_used *used;
 };
 
+/* Alignment requirements for vring elements.
+ * When using pre-virtio 1.0 layout, these fall out naturally.
+ */
+#define VRING_AVAIL_ALIGN_SIZE 2
+#define VRING_USED_ALIGN_SIZE 4
+#define VRING_DESC_ALIGN_SIZE 16
+
 /* The standard layout for the ring is a continuous chunk of memory which looks
  * like this.  We assume num is a power of 2.
  *