Drivers: hv: vmbus: Don't wait after requesting offers
authorK. Y. Srinivasan <kys@microsoft.com>
Thu, 19 Mar 2015 15:11:34 +0000 (08:11 -0700)
committerBen Hutchings <ben@decadent.org.uk>
Thu, 6 Aug 2015 23:32:01 +0000 (00:32 +0100)
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[bwh: Backported to 3.2: deleted variable t was declared as int]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/hv/channel_mgmt.c

index 12b85ff..7f96332 100644 (file)
@@ -606,7 +606,7 @@ 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),
@@ -614,8 +614,6 @@ 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;
@@ -629,14 +627,6 @@ 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);