Patchwork [04/18] bnx2x: Add rmb to read status block indices on load

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Submitter Eilon Greenstein
Date March 2, 2009, 5:59 p.m.
Message ID <1236016767.7723.75.camel@lb-tlvb-eliezer>
Download mbox | patch
Permalink /patch/23944/
State Accepted
Delegated to: David Miller
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Comments

Eilon Greenstein - March 2, 2009, 5:59 p.m.
Subject: [PATCH 04/18] bnx2x: Add rmb to read status block indices on load

Add rmb to read status block indices on load

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
---
 drivers/net/bnx2x_main.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

Patch

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index fbd0f88..e4d54e1 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -5154,6 +5154,10 @@  static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
 		bnx2x_update_fpsb_idx(fp);
 	}
 
+	/* ensure status block indices were read */
+	rmb();
+
+
 	bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
 			  DEF_SB_ID);
 	bnx2x_update_dsb_idx(bp);