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Staging: hv: Cleanup ring_buffer.h 

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@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
K. Y. Srinivasan 2011-05-10 07:55:34 -07:00 committed by Greg Kroah-Hartman
parent 66a6054381
commit 53070793e0
1 changed files with 3 additions and 4 deletions
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7
drivers/staging/hv/ring_buffer.h
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@ -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