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authorBrice Goglin <brice@myri.com>2007-07-13 20:15:13 +0200
committerJeff Garzik <jeff@garzik.org>2007-07-16 18:28:05 -0400
commitc97884b5de95a11d1668f134a51c1d150d214391 (patch)
treeb350e1e1ec743f8c5cb95ec0086b7b72cf032d48 /drivers
parentbe5ae973197b84e9f39784b73d08ba41931fbdc9 (diff)
downloadop-kernel-dev-c97884b5de95a11d1668f134a51c1d150d214391.zip
op-kernel-dev-c97884b5de95a11d1668f134a51c1d150d214391.tar.gz
myri10ge: Remove nonsensical limit in the tx done routine
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 <brice@myri.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/myri10ge/myri10ge.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index e1732c1..deca653 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -1060,7 +1060,6 @@ static inline void myri10ge_tx_done(struct myri10ge_priv *mgp, int mcp_index)
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;
@@ -1091,11 +1090,6 @@ static inline void myri10ge_tx_done(struct myri10ge_priv *mgp, int mcp_index)
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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