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yaml --- r: 41481 b: refs/heads/master c: 2ce9047 h: refs/heads/master i: 41479: 9ac0cad v: v3
git-mirror · Dec 2, 2006 · c9702ec · c9702ec
1 parent 9441167
commit c9702ec
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 21c4d5e07859a6fc0f62be37da15b161e142c8d1
+refs/heads/master: 2ce9047f5d8464039da8ff986e71be5546e229c0
diff --git a/trunk/drivers/net/e1000/e1000_main.c b/trunk/drivers/net/e1000/e1000_main.c
@@ -2867,6 +2867,9 @@ e1000_tx_queue(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
 
 	tx_ring->next_to_use = i;
 	writel(i, adapter->hw.hw_addr + tx_ring->tdt);
+	/* we need this if more than one processor can write to our tail
+	 * at a time, it syncronizes IO on IA64/Altix systems */
+	mmiowb();
 }
 
 /**