Patch "Drivers: hv: vmbus: Don't wait after requesting offers" has been added to the 4.0-stable tree

Patch "Drivers: hv: vmbus: Don't wait after requesting offers" has been added to the 4.0-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    Drivers: hv: vmbus: Don't wait after requesting offers

to the 4.0-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drivers-hv-vmbus-don-t-wait-after-requesting-offers.patch
and it can be found in the queue-4.0 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 73cffdb65e679b98893f484063462c045adcf212 Mon Sep 17 00:00:00 2001
From: "K. Y. Srinivasan" <kys@microsoft.com>
Date: Thu, 19 Mar 2015 08:11:34 -0700
Subject: Drivers: hv: vmbus: Don't wait after requesting offers

From: "K. Y. Srinivasan" <kys@microsoft.com>

commit 73cffdb65e679b98893f484063462c045adcf212 upstream.

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@microsoft.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/hv/channel_mgmt.c |   12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -787,7 +787,7 @@ int vmbus_request_offers(void)
 {
 	struct vmbus_channel_message_header *msg;
 	struct vmbus_channel_msginfo *msginfo;
-	int ret, t;
+	int ret;
 
 	msginfo = kmalloc(sizeof(*msginfo) +
 			  sizeof(struct vmbus_channel_message_header),
@@ -795,8 +795,6 @@ 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;
@@ -810,14 +808,6 @@ 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);
 


Patches currently in stable-queue which might be from kys@microsoft.com are

queue-4.0/drivers-hv-vmbus-don-t-wait-after-requesting-offers.patch