* [net-next 27/36] bnx2x: Missing smp_wmb for statistics state machine
@ 2009-08-12 18:23 Eilon Greenstein
0 siblings, 0 replies; only message in thread
From: Eilon Greenstein @ 2009-08-12 18:23 UTC (permalink / raw)
To: David Miller; +Cc: netdev, Vladislav Zolotarov
Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
---
drivers/net/bnx2x_main.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 656ee97..bcf8362 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -4411,6 +4411,9 @@ static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
bnx2x_stats_stm[state][event].action(bp);
bp->stats_state = bnx2x_stats_stm[state][event].next_state;
+ /* Make sure the state has been "changed" */
+ smp_wmb();
+
if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
state, event, bp->stats_state);
--
1.5.4.3
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