linux-kernel - [PATCH 39/49] Staging: hv: vmbus: Fix a memory barrier call in vmbus

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Date:	Mon,  6 Jun 2011 15:50:03 -0700
From:	"K. Y. Srinivasan" <kys@...rosoft.com>
To:	gregkh@...e.de, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org, virtualization@...ts.osdl.org
Cc:	"K. Y. Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	Abhishek Kane <v-abkane@...rosoft.com>
Subject: [PATCH 39/49] Staging: hv: vmbus: Fix a memory barrier call in vmbus_drv.c

Use the correct memory barrier call in vmbus_drv.c

Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
Signed-off-by: Abhishek Kane <v-abkane@...rosoft.com>
---
 drivers/staging/hv/vmbus_drv.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c
index bc74030..921ca9a 100644
--- a/drivers/staging/hv/vmbus_drv.c
+++ b/drivers/staging/hv/vmbus_drv.c
@@ -455,7 +455,7 @@ static void vmbus_on_msg_dpc(unsigned long data)
 		 * will not deliver any more messages since there is
 		 * no empty slot
 		 */
-		mb();
+		smp_mb();
 
 		if (msg->header.message_flags.msg_pending) {
 			/*
-- 
1.7.4.1

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