Commit 53070793 authored by K. Y. Srinivasan's avatar K. Y. Srinivasan Committed by Greg Kroah-Hartman
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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: default avatarK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: default avatarHaiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: default avatarAbhishek Kane <v-abkane@microsoft.com>
Signed-off-by: default avatarHank Janssen <hjanssen@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 66a60543

drivers/staging/hv/ring_buffer.h

+3 −4
Original line number Diff line number Diff line
@@ -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