linux-kernel - [PATCH 1/1] Drivers: hv: vmbus: Don't wait after requesting offers

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Date:	Thu, 19 Mar 2015 08:11:34 -0700
From:	"K. Y. Srinivasan" <kys@...rosoft.com>
To:	gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org, olaf@...fle.de, apw@...onical.com,
	vkuznets@...hat.com
Cc:	"K. Y. Srinivasan" <kys@...rosoft.com>, <stable@...r.kernel.org>
Subject: [PATCH 1/1] Drivers: hv: vmbus: Don't wait after requesting offers

Don't wait after sending request for offers to the host. This wait is
unnecessary and simply adds 5 seconds to the boot time.

Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
Cc: <stable@...r.kernel.org>
---
 drivers/hv/channel_mgmt.c |   11 -----------
 1 files changed, 0 insertions(+), 11 deletions(-)

diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index 25dbbaf..bb39705 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -884,7 +884,6 @@ int vmbus_request_offers(void)
 	struct vmbus_channel_message_header *msg;
 	struct vmbus_channel_msginfo *msginfo;
 	int ret;
-	unsigned long t;
 
 	msginfo = kmalloc(sizeof(*msginfo) +
 			  sizeof(struct vmbus_channel_message_header),
@@ -892,8 +891,6 @@ int vmbus_request_offers(void)
 	if (!msginfo)
 		return -ENOMEM;
 
-	init_completion(&msginfo->waitevent);
-
 	msg = (struct vmbus_channel_message_header *)msginfo->msg;
 
 	msg->msgtype = CHANNELMSG_REQUESTOFFERS;
@@ -907,14 +904,6 @@ int vmbus_request_offers(void)
 		goto cleanup;
 	}
 
-	t = wait_for_completion_timeout(&msginfo->waitevent, 5*HZ);
-	if (t == 0) {
-		ret = -ETIMEDOUT;
-		goto cleanup;
-	}
-
-
-
 cleanup:
 	kfree(msginfo);
 
-- 
1.7.4.1

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