Drivers: hv: vmbus: Reduce the delay between retries in vmbus_post_msg()

[ Upstream commit 8de0d7e951826d7592e0ba1da655b175c4aa0923 ]

The current delay between retries is unnecessarily high and is negatively
affecting the time it takes to boot the system.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>

diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index b27220a425f4a44b6b1143f39017998f1b77533a..d062c6a9186efd5568738ef8a8b3e2bbc9d98eeb 100644 (file)
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -422,7 +422,7 @@ int vmbus_post_msg(void *buffer, size_t buflen)
        union hv_connection_id conn_id;
        int ret = 0;
        int retries = 0;
-       u32 msec = 1;
+       u32 usec = 1;
 
        conn_id.asu32 = 0;
        conn_id.u.id = VMBUS_MESSAGE_CONNECTION_ID;
@@ -455,9 +455,9 @@ int vmbus_post_msg(void *buffer, size_t buflen)
                }
 
                retries++;
-               msleep(msec);
-               if (msec < 2048)
-                       msec *= 2;
+               udelay(usec);
+               if (usec < 2048)
+                       usec *= 2;
        }
        return ret;
 }