Reenabled linux-xen and xen-image build

[people/pmueller/ipfire-2.x.git] / src / patches / suse-2.6.27.25 / patches.drivers / bnx2x-Missing-rmb-when-waiting-for-FW-response.patch

From 5650d9d4cbf3898d3f9725ccad5dfca6bc086324 Mon Sep 17 00:00:00 2001
From: Eilon Greenstein <eilong@broadcom.com>
Date: Thu, 22 Jan 2009 06:01:29 +0000
Subject: bnx2x: Missing rmb when waiting for FW response
Acked-by: Karsten Keil <kkeil@novell.com>
Reference: bnc#472500

Waiting for the FW to response requires a memory barrier

Signed-off-by: Michal Kalderon <michals@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_main.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

Index: linux-2.6.27-bnx2x_2/drivers/net/bnx2x_main.c
===================================================================
--- linux-2.6.27-bnx2x_2.orig/drivers/net/bnx2x_main.c
+++ linux-2.6.27-bnx2x_2/drivers/net/bnx2x_main.c
@@ -6625,6 +6625,7 @@ static int bnx2x_stop_leading(struct bnx
 		}
 		cnt--;
 		msleep(1);
+		rmb(); /* Refresh the dsb_sp_prod */
 	}
 	bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
 	bp->fp[0].state = BNX2X_FP_STATE_CLOSED;