sfc: When waking a stopped tx_queue, only lock that tx_queue
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c
index 1172698..03194f7 100644
--- a/drivers/net/sfc/tx.c
+++ b/drivers/net/sfc/tx.c
@@ -401,6 +401,7 @@
{
unsigned fill_level;
struct efx_nic *efx = tx_queue->efx;
+ struct netdev_queue *queue;
EFX_BUG_ON_PARANOID(index > tx_queue->ptr_mask);
@@ -417,12 +418,15 @@
/* Do this under netif_tx_lock(), to avoid racing
* with efx_xmit(). */
- netif_tx_lock(efx->net_dev);
+ queue = netdev_get_tx_queue(
+ efx->net_dev,
+ tx_queue->queue / EFX_TXQ_TYPES);
+ __netif_tx_lock(queue, smp_processor_id());
if (tx_queue->stopped) {
tx_queue->stopped = 0;
efx_wake_queue(tx_queue->channel);
}
- netif_tx_unlock(efx->net_dev);
+ __netif_tx_unlock(queue);
}
}
}