diff --git a/[refs] b/[refs]
index 219345298ada..0bdfb221cd1e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 66a605438146923a048a2ce071831df2a5f64659
+refs/heads/master: 53070793e06f3b643196c68585bf14a16c523fd2
diff --git a/trunk/drivers/staging/hv/ring_buffer.h b/trunk/drivers/staging/hv/ring_buffer.h
index 1bc0b8a20951..089c536133c6 100644
--- a/trunk/drivers/staging/hv/ring_buffer.h
+++ b/trunk/drivers/staging/hv/ring_buffer.h
@@ -30,12 +30,12 @@
 
 struct hv_ring_buffer {
 	/* Offset in bytes from the start of ring data below */
-	volatile u32 write_index;
+	u32 write_index;
 
 	/* Offset in bytes from the start of ring data below */
-	volatile u32 read_index;
+	u32 read_index;
 
-	volatile u32 interrupt_mask;
+	u32 interrupt_mask;
 
 	/* Pad it to PAGE_SIZE so that data starts on page boundary */
 	u8	reserved[4084];
@@ -45,7 +45,6 @@ struct hv_ring_buffer {
 	 * vmbus connection also uses this data structure and its data starts
 	 * here, we commented out this field.
 	 */
-	/* volatile u32 InterruptMask; */
 
 	/*
 	 * Ring data starts here + RingDataStartOffset