[PATCH 108/206] Staging: hv: Cleanup ring_buffer.h

[K. Y. Srinivasan]

Access to these variables is already serialized via a spin lock. Get
rid of the unnecessary volatile qualifier.

Signed-off-by: K. Y. Srinivasan <kys at microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz at microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane at microsoft.com>
Signed-off-by: Hank Janssen <hjanssen at microsoft.com>
---
 drivers/staging/hv/ring_buffer.h |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/hv/ring_buffer.h b/drivers/staging/hv/ring_buffer.h
index 1bc0b8a..089c536 100644
--- a/drivers/staging/hv/ring_buffer.h
+++ b/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
-- 
1.7.4.1