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

Signed-off-by: K. Y. Srinivasan <k...@microsoft.com>
Signed-off-by: Haiyang Zhang <haiya...@microsoft.com>
Signed-off-by: Abhishek Kane <v-abk...@microsoft.com>
Signed-off-by: Hank Janssen <hjans...@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

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