From: K. Y. Srinivasan <kys@microsoft.com>
Date: Tue, 10 May 2011 14:55:33 +0000 (-0700)
Subject: Staging: hv: Get rid of the volatile qualifier for a variable in ring_buffer.c
X-Git-Tag: firefly_0821_release~7613^2~1326^2~327
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=66a605438146923a048a2ce071831df2a5f64659;p=firefly-linux-kernel-4.4.55.git

Staging: hv: Get rid of the volatile qualifier for a variable in ring_buffer.c

Access to this variable 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>
---

diff --git a/drivers/staging/hv/ring_buffer.c b/drivers/staging/hv/ring_buffer.c
index 2a461ddeeaca..badf52ad2416 100644
--- a/drivers/staging/hv/ring_buffer.c
+++ b/drivers/staging/hv/ring_buffer.c
@@ -364,7 +364,7 @@ int hv_ringbuffer_write(struct hv_ring_buffer_info *outring_info,
 	u32 totalbytes_towrite = 0;
 
 	struct scatterlist *sg;
-	volatile u32 next_write_location;
+	u32 next_write_location;
 	u64 prev_indices = 0;
 	unsigned long flags;