This is a note to let you know that I've just added the patch titled
drivers: net: ethernet: davinci_emac: use netif_wake_queue() while restarting tx queue
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drivers-net-ethernet-davinci_emac-use-netif_wake_queue-while-restarting-tx-queue.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 1e6851d901fb77cfc326eb7b10d6b344ac832a49 Mon Sep 17 00:00:00 2001
From: Mugunthan V N <mugunthanvnm@xxxxxx>
Date: Wed, 27 Mar 2013 04:42:00 +0000
Subject: drivers: net: ethernet: davinci_emac: use netif_wake_queue() while restarting tx queue
To restart tx queue use netif_wake_queue() intead of netif_start_queue()
so that net schedule will restart transmission immediately which will
increase network performance while doing huge data transfers.
Reported-by: Dan Franke <dan.franke@xxxxxxxxxxxxxxxxxxxxxx>
Suggested-by: Sriramakrishnan A G <srk@xxxxxx>
Signed-off-by: Mugunthan V N <mugunthanvnm@xxxxxx>
Acked-by: Eric Dumazet <edumazet@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/ti/davinci_emac.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/ti/davinci_emac.c
+++ b/drivers/net/ethernet/ti/davinci_emac.c
@@ -1052,7 +1052,7 @@ static void emac_tx_handler(void *token,
atomic_dec(&priv->cur_tx);
if (unlikely(netif_queue_stopped(ndev)))
- netif_start_queue(ndev);
+ netif_wake_queue(ndev);
ndev->stats.tx_packets++;
ndev->stats.tx_bytes += len;
dev_kfree_skb_any(skb);
Patches currently in stable-queue which might be from mugunthanvnm@xxxxxx are
queue-3.4/drivers-net-ethernet-cpsw-use-netif_wake_queue-while-restarting-tx-queue.patch
queue-3.4/drivers-net-ethernet-davinci_emac-use-netif_wake_queue-while-restarting-tx-queue.patch
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