diff options
| author | Govindarajulu Varadarajan <_govind@gmx.com> | 2014-11-23 01:22:52 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-11-23 14:31:25 -0500 |
| commit | 78e2045d3d562e43562e3cbf0e96c26e38a718e9 (patch) | |
| tree | 0358eacd0cecc7116465d68095d64c4860fb7337 | |
| parent | db40b3f55a2297eff15f24a4d3d52f70783a6530 (diff) | |
| download | lwn-78e2045d3d562e43562e3cbf0e96c26e38a718e9.tar.gz lwn-78e2045d3d562e43562e3cbf0e96c26e38a718e9.zip | |
enic: use spin_lock(wq_lock) instead of spin_lock_irqsave(wq_lock)
All the access to wq has been moved out of hardirq context. We no longer need to
use spin_lock_irqsave.
Signed-off-by: Govindarajulu Varadarajan <_govind@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/cisco/enic/enic_main.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index b42a48097dbd..46647407d585 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -529,7 +529,6 @@ static netdev_tx_t enic_hard_start_xmit(struct sk_buff *skb, { struct enic *enic = netdev_priv(netdev); struct vnic_wq *wq; - unsigned long flags; unsigned int txq_map; struct netdev_queue *txq; @@ -554,14 +553,14 @@ static netdev_tx_t enic_hard_start_xmit(struct sk_buff *skb, return NETDEV_TX_OK; } - spin_lock_irqsave(&enic->wq_lock[txq_map], flags); + spin_lock(&enic->wq_lock[txq_map]); if (vnic_wq_desc_avail(wq) < skb_shinfo(skb)->nr_frags + ENIC_DESC_MAX_SPLITS) { netif_tx_stop_queue(txq); /* This is a hard error, log it */ netdev_err(netdev, "BUG! Tx ring full when queue awake!\n"); - spin_unlock_irqrestore(&enic->wq_lock[txq_map], flags); + spin_unlock(&enic->wq_lock[txq_map]); return NETDEV_TX_BUSY; } @@ -572,7 +571,7 @@ static netdev_tx_t enic_hard_start_xmit(struct sk_buff *skb, if (!skb->xmit_more || netif_xmit_stopped(txq)) vnic_wq_doorbell(wq); - spin_unlock_irqrestore(&enic->wq_lock[txq_map], flags); + spin_unlock(&enic->wq_lock[txq_map]); return NETDEV_TX_OK; } |