Remove nonsensical limit in the tx done routine. Specifically,
the loop will always terminate after processing <= 1 rings worth
of frames, as the mcp index is not refetched, so the removed
conditional could never be true.
Signed-off-by: Brice Goglin <[EMAIL PROTECTED]>
---
drivers/net/myri10ge/myri10ge.c | 6 ------
1 file changed, 6 deletions(-)
Index: linux-2.6.22/drivers/net/myri10ge/myri10ge.c
===================================================================
--- linux-2.6.22.orig/drivers/net/myri10ge/myri10ge.c 2007-07-09
01:32:17.000000000 +0200
+++ linux-2.6.22/drivers/net/myri10ge/myri10ge.c 2007-07-12
11:21:29.000000000 +0200
@@ -1059,7 +1059,6 @@
struct myri10ge_tx_buf *tx = &mgp->tx;
struct sk_buff *skb;
int idx, len;
- int limit = 0;
while (tx->pkt_done != mcp_index) {
idx = tx->done & tx->mask;
@@ -1090,11 +1089,6 @@
bus), len,
PCI_DMA_TODEVICE);
}
-
- /* limit potential for livelock by only handling
- * 2 full tx rings per call */
- if (unlikely(++limit > 2 * tx->mask))
- break;
}
/* start the queue if we've stopped it */
if (netif_queue_stopped(mgp->dev)
-
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