[PATCH 2/3] Drivers: hv: vmbus: Reduce the delay between retries in vmbus_post_msg()

kys at exchange.microsoft.com kys at exchange.microsoft.com
Fri Jul 1 23:26:36 UTC 2016


From: K. Y. Srinivasan <kys at microsoft.com>

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 at microsoft.com>
---
 drivers/hv/connection.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index fcf8a02..78e6368 100644
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -439,7 +439,7 @@ 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;
@@ -472,9 +472,9 @@ 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;
 }
-- 
1.7.4.1



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